error[E0432]: unresolved import `nix::sys::resource`
   --> vm/src/stdlib/time.rs:676:23
    |
676 |         use nix::sys::resource::{getrusage, UsageWho};
    |                       ^^^^^^^^ could not find `resource` in `sys`
    |
note: found an item that was configured out
   --> /home/bo/.cargo/registry/src/index.crates.io-6f17d22bba15001f/nix-0.29.0/src/sys/mod.rs:96:13
    |
96  |     pub mod resource;
    |             ^^^^^^^^
note: the item is gated behind the `resource` feature
   --> /home/bo/.cargo/registry/src/index.crates.io-6f17d22bba15001f/nix-0.29.0/src/sys/mod.rs:95:8
    |
95  |     #![feature = "resource"]
    |        ^^^^^^^

error[E0425]: cannot find value `_SC_AIO_PRIO_DELTA_MAX` in crate `libc`
    --> vm/src/stdlib/posix.rs:2032:39
     |
2032 |         SC_AIO_PRIO_DELTA_MAX = libc::_SC_AIO_PRIO_DELTA_MAX,
     |                                       ^^^^^^^^^^^^^^^^^^^^^^ not found in `libc`

error[E0425]: cannot find value `_SC_PRIORITIZED_IO` in crate `libc`
    --> vm/src/stdlib/posix.rs:2072:35
     |
2072 |         SC_PRIORITIZED_IO = libc::_SC_PRIORITIZED_IO,
     |                                   ^^^^^^^^^^^^^^^^^^ not found in `libc`

error[E0425]: cannot find value `_SC_REALTIME_SIGNALS` in crate `libc`
    --> vm/src/stdlib/posix.rs:2074:37
     |
2074 |         SC_REALTIME_SIGNALS = libc::_SC_REALTIME_SIGNALS,
     |                                     ^^^^^^^^^^^^^^^^^^^^ not found in `libc`

error[E0425]: cannot find value `_SC_RTSIG_MAX` in crate `libc`
    --> vm/src/stdlib/posix.rs:2076:30
     |
2076 |         SC_RTSIG_MAX = libc::_SC_RTSIG_MAX,
     |                              ^^^^^^^^^^^^^ help: a constant with a similar name exists: `_SC_AIO_MAX`
     |
    ::: /home/bo/.cargo/registry/src/index.crates.io-6f17d22bba15001f/libc-0.2.159/src/unix/bsd/netbsdlike/netbsd/mod.rs:1809:1
     |
1809 | pub const _SC_AIO_MAX: ::c_int = 52;
     | ------------------------------ similarly named constant `_SC_AIO_MAX` defined here

error[E0425]: cannot find value `_SC_SEM_VALUE_MAX` in crate `libc`
    --> vm/src/stdlib/posix.rs:2080:34
     |
2080 |         SC_SEM_VALUE_MAX = libc::_SC_SEM_VALUE_MAX,
     |                                  ^^^^^^^^^^^^^^^^^ help: a constant with a similar name exists: `_SC_SEM_NSEMS_MAX`
     |
    ::: /home/bo/.cargo/registry/src/index.crates.io-6f17d22bba15001f/libc-0.2.159/src/unix/bsd/netbsdlike/netbsd/mod.rs:1844:1
     |
1844 | pub const _SC_SEM_NSEMS_MAX: ::c_int = 89;
     | ------------------------------------ similarly named constant `_SC_SEM_NSEMS_MAX` defined here

error[E0425]: cannot find value `_SC_SIGQUEUE_MAX` in crate `libc`
    --> vm/src/stdlib/posix.rs:2082:33
     |
2082 |         SC_SIGQUEUE_MAX = libc::_SC_SIGQUEUE_MAX,
     |                                 ^^^^^^^^^^^^^^^^ not found in `libc`

error[E0425]: cannot find value `_SC_XOPEN_CRYPT` in crate `libc`
    --> vm/src/stdlib/posix.rs:2102:32
     |
2102 |         SC_XOPEN_CRYPT = libc::_SC_XOPEN_CRYPT,
     |                                ^^^^^^^^^^^^^^^ help: a constant with a similar name exists: `_SC_XOPEN_SHM`
     |
    ::: /home/bo/.cargo/registry/src/index.crates.io-6f17d22bba15001f/libc-0.2.159/src/unix/bsd/netbsdlike/mod.rs:585:1
     |
585  | pub const _SC_XOPEN_SHM: ::c_int = 30;
     | -------------------------------- similarly named constant `_SC_XOPEN_SHM` defined here

error[E0425]: cannot find value `_SC_XOPEN_ENH_I18N` in crate `libc`
    --> vm/src/stdlib/posix.rs:2103:35
     |
2103 |         SC_XOPEN_ENH_I18N = libc::_SC_XOPEN_ENH_I18N,
     |                                   ^^^^^^^^^^^^^^^^^^ not found in `libc`

error[E0425]: cannot find value `_SC_XOPEN_LEGACY` in crate `libc`
    --> vm/src/stdlib/posix.rs:2104:33
     |
2104 |         SC_XOPEN_LEGACY = libc::_SC_XOPEN_LEGACY,
     |                                 ^^^^^^^^^^^^^^^^ not found in `libc`

error[E0425]: cannot find value `_SC_XOPEN_REALTIME` in crate `libc`
    --> vm/src/stdlib/posix.rs:2105:35
     |
2105 |         SC_XOPEN_REALTIME = libc::_SC_XOPEN_REALTIME,
     |                                   ^^^^^^^^^^^^^^^^^^ not found in `libc`

error[E0425]: cannot find value `_SC_XOPEN_REALTIME_THREADS` in crate `libc`
    --> vm/src/stdlib/posix.rs:2106:43
     |
2106 |         SC_XOPEN_REALTIME_THREADS = libc::_SC_XOPEN_REALTIME_THREADS,
     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^ not found in `libc`

error[E0425]: cannot find value `_SC_XOPEN_UNIX` in crate `libc`
    --> vm/src/stdlib/posix.rs:2108:31
     |
2108 |         SC_XOPEN_UNIX = libc::_SC_XOPEN_UNIX,
     |                               ^^^^^^^^^^^^^^ help: a constant with a similar name exists: `_SC_OPEN_MAX`
     |
    ::: /home/bo/.cargo/registry/src/index.crates.io-6f17d22bba15001f/libc-0.2.159/src/unix/bsd/netbsdlike/mod.rs:559:1
     |
559  | pub const _SC_OPEN_MAX: ::c_int = 5;
     | ------------------------------- similarly named constant `_SC_OPEN_MAX` defined here

error[E0425]: cannot find value `_SC_XOPEN_VERSION` in crate `libc`
    --> vm/src/stdlib/posix.rs:2109:34
     |
2109 |         SC_XOPEN_VERSION = libc::_SC_XOPEN_VERSION,
     |                                  ^^^^^^^^^^^^^^^^^ help: a constant with a similar name exists: `_SC_2_VERSION`
     |
    ::: /home/bo/.cargo/registry/src/index.crates.io-6f17d22bba15001f/libc-0.2.159/src/unix/bsd/netbsdlike/mod.rs:571:1
     |
571  | pub const _SC_2_VERSION: ::c_int = 17;
     | -------------------------------- similarly named constant `_SC_2_VERSION` defined here

error[E0425]: cannot find value `_SC_XOPEN_XCU_VERSION` in crate `libc`
    --> vm/src/stdlib/posix.rs:2110:38
     |
2110 |         SC_XOPEN_XCU_VERSION = libc::_SC_XOPEN_XCU_VERSION,
     |                                      ^^^^^^^^^^^^^^^^^^^^^ not found in `libc`

error[E0425]: cannot find value `_SC_XBS5_ILP32_OFF32` in crate `libc`
    --> vm/src/stdlib/posix.rs:2117:37
     |
2117 |         SC_XBS5_ILP32_OFF32 = libc::_SC_XBS5_ILP32_OFF32,
     |                                     ^^^^^^^^^^^^^^^^^^^^ help: a constant with a similar name exists: `_SC_V6_ILP32_OFF32`
     |
    ::: /home/bo/.cargo/registry/src/index.crates.io-6f17d22bba15001f/libc-0.2.159/src/unix/bsd/netbsdlike/netbsd/mod.rs:1831:1
     |
1831 | pub const _SC_V6_ILP32_OFF32: ::c_int = 74;
     | ------------------------------------- similarly named constant `_SC_V6_ILP32_OFF32` defined here

error[E0425]: cannot find value `_SC_XBS5_ILP32_OFFBIG` in crate `libc`
    --> vm/src/stdlib/posix.rs:2124:38
     |
2124 |         SC_XBS5_ILP32_OFFBIG = libc::_SC_XBS5_ILP32_OFFBIG,
     |                                      ^^^^^^^^^^^^^^^^^^^^^ help: a constant with a similar name exists: `_SC_V6_ILP32_OFFBIG`
     |
    ::: /home/bo/.cargo/registry/src/index.crates.io-6f17d22bba15001f/libc-0.2.159/src/unix/bsd/netbsdlike/netbsd/mod.rs:1832:1
     |
1832 | pub const _SC_V6_ILP32_OFFBIG: ::c_int = 75;
     | -------------------------------------- similarly named constant `_SC_V6_ILP32_OFFBIG` defined here

error[E0425]: cannot find value `_SC_XBS5_LP64_OFF64` in crate `libc`
    --> vm/src/stdlib/posix.rs:2131:36
     |
2131 |         SC_XBS5_LP64_OFF64 = libc::_SC_XBS5_LP64_OFF64,
     |                                    ^^^^^^^^^^^^^^^^^^^ help: a constant with a similar name exists: `_SC_V6_LP64_OFF64`
     |
    ::: /home/bo/.cargo/registry/src/index.crates.io-6f17d22bba15001f/libc-0.2.159/src/unix/bsd/netbsdlike/netbsd/mod.rs:1833:1
     |
1833 | pub const _SC_V6_LP64_OFF64: ::c_int = 76;
     | ------------------------------------ similarly named constant `_SC_V6_LP64_OFF64` defined here

error[E0425]: cannot find value `_SC_XBS5_LPBIG_OFFBIG` in crate `libc`
    --> vm/src/stdlib/posix.rs:2138:38
     |
2138 |         SC_XBS5_LPBIG_OFFBIG = libc::_SC_XBS5_LPBIG_OFFBIG,
     |                                      ^^^^^^^^^^^^^^^^^^^^^ help: a constant with a similar name exists: `_SC_V6_LPBIG_OFFBIG`
     |
    ::: /home/bo/.cargo/registry/src/index.crates.io-6f17d22bba15001f/libc-0.2.159/src/unix/bsd/netbsdlike/netbsd/mod.rs:1834:1
     |
1834 | pub const _SC_V6_LPBIG_OFFBIG: ::c_int = 77;
     | -------------------------------------- similarly named constant `_SC_V6_LPBIG_OFFBIG` defined here

error[E0081]: discriminant value `17` assigned more than once
    --> vm/src/stdlib/posix.rs:2020:5
     |
2020 |     pub enum SysconfVar {
     |     ^^^^^^^^^^^^^^^^^^^
...
2029 |         SC_2_VERSION = libc::_SC_2_VERSION,
     |                        ------------------- `17` assigned here
...
2076 |         SC_RTSIG_MAX = libc::_SC_RTSIG_MAX,
     |                        ------------------- `17` assigned here

error[E0081]: discriminant value `53` assigned more than once
    --> vm/src/stdlib/posix.rs:2020:5
     |
2020 |     pub enum SysconfVar {
     |     ^^^^^^^^^^^^^^^^^^^
...
2032 |         SC_AIO_PRIO_DELTA_MAX = libc::_SC_AIO_PRIO_DELTA_MAX,
     |                                 ---------------------------- `53` assigned here
...
2056 |         SC_MESSAGE_PASSING = libc::_SC_MESSAGE_PASSING,
     |                              ------------------------- `53` assigned here

error[E0081]: discriminant value `9` assigned more than once
    --> vm/src/stdlib/posix.rs:2020:5
     |
2020 |     pub enum SysconfVar {
     |     ^^^^^^^^^^^^^^^^^^^
...
2036 |         SC_BC_BASE_MAX = libc::_SC_BC_BASE_MAX,
     |                          --------------------- `9` assigned here
...
2102 |         SC_XOPEN_CRYPT = libc::_SC_XOPEN_CRYPT,
     |                          --------------------- `9` assigned here

error[E0081]: discriminant value `10` assigned more than once
    --> vm/src/stdlib/posix.rs:2020:5
     |
2020 |     pub enum SysconfVar {
     |     ^^^^^^^^^^^^^^^^^^^
...
2037 |         SC_BC_DIM_MAX = libc::_SC_BC_DIM_MAX,
     |                         -------------------- `10` assigned here
...
2103 |         SC_XOPEN_ENH_I18N = libc::_SC_XOPEN_ENH_I18N,
     |                             ------------------------ `10` assigned here

error[E0081]: discriminant value `11` assigned more than once
    --> vm/src/stdlib/posix.rs:2020:5
     |
2020 |     pub enum SysconfVar {
     |     ^^^^^^^^^^^^^^^^^^^
...
2038 |         SC_BC_SCALE_MAX = libc::_SC_BC_SCALE_MAX,
     |                           ---------------------- `11` assigned here
...
2104 |         SC_XOPEN_LEGACY = libc::_SC_XOPEN_LEGACY,
     |                           ---------------------- `11` assigned here

error[E0081]: discriminant value `12` assigned more than once
    --> vm/src/stdlib/posix.rs:2020:5
     |
2020 |     pub enum SysconfVar {
     |     ^^^^^^^^^^^^^^^^^^^
...
2039 |         SC_BC_STRING_MAX = libc::_SC_BC_STRING_MAX,
     |                            ----------------------- `12` assigned here
...
2105 |         SC_XOPEN_REALTIME = libc::_SC_XOPEN_REALTIME,
     |                             ------------------------ `12` assigned here

error[E0081]: discriminant value `13` assigned more than once
    --> vm/src/stdlib/posix.rs:2020:5
     |
2020 |     pub enum SysconfVar {
     |     ^^^^^^^^^^^^^^^^^^^
...
2042 |         SC_COLL_WEIGHTS_MAX = libc::_SC_COLL_WEIGHTS_MAX,
     |                               -------------------------- `13` assigned here
...
2106 |         SC_XOPEN_REALTIME_THREADS = libc::_SC_XOPEN_REALTIME_THREADS,
     |                                     -------------------------------- `13` assigned here

error[E0081]: discriminant value `32` assigned more than once
    --> vm/src/stdlib/posix.rs:2020:5
     |
2020 |     pub enum SysconfVar {
     |     ^^^^^^^^^^^^^^^^^^^
...
2048 |         SC_IOV_MAX = libc::_SC_IOV_MAX,
     |                      ----------------- `32` assigned here
...
2109 |         SC_XOPEN_VERSION = libc::_SC_XOPEN_VERSION,
     |                            ----------------------- `32` assigned here

error[E0081]: discriminant value `37` assigned more than once
    --> vm/src/stdlib/posix.rs:2020:5
     |
2020 |     pub enum SysconfVar {
     |     ^^^^^^^^^^^^^^^^^^^
...
2051 |         SC_LOGIN_NAME_MAX = libc::_SC_LOGIN_NAME_MAX,
     |                             ------------------------ `37` assigned here
...
2138 |         SC_XBS5_LPBIG_OFFBIG = libc::_SC_XBS5_LPBIG_OFFBIG,
     |                                --------------------------- `37` assigned here

error[E0081]: discriminant value `33` assigned more than once
    --> vm/src/stdlib/posix.rs:2020:5
     |
2020 |     pub enum SysconfVar {
     |     ^^^^^^^^^^^^^^^^^^^
...
2052 |         SC_MAPPED_FILES = libc::_SC_MAPPED_FILES,
     |                           ---------------------- `33` assigned here
...
2110 |         SC_XOPEN_XCU_VERSION = libc::_SC_XOPEN_XCU_VERSION,
     |                                --------------------------- `33` assigned here

error[E0081]: discriminant value `34` assigned more than once
    --> vm/src/stdlib/posix.rs:2020:5
     |
2020 |     pub enum SysconfVar {
     |     ^^^^^^^^^^^^^^^^^^^
...
2053 |         SC_MEMLOCK = libc::_SC_MEMLOCK,
     |                      ----------------- `34` assigned here
...
2117 |         SC_XBS5_ILP32_OFF32 = libc::_SC_XBS5_ILP32_OFF32,
     |                               -------------------------- `34` assigned here

error[E0081]: discriminant value `35` assigned more than once
    --> vm/src/stdlib/posix.rs:2020:5
     |
2020 |     pub enum SysconfVar {
     |     ^^^^^^^^^^^^^^^^^^^
...
2054 |         SC_MEMLOCK_RANGE = libc::_SC_MEMLOCK_RANGE,
     |                            ----------------------- `35` assigned here
...
2124 |         SC_XBS5_ILP32_OFFBIG = libc::_SC_XBS5_ILP32_OFFBIG,
     |                                --------------------------- `35` assigned here

error[E0081]: discriminant value `36` assigned more than once
    --> vm/src/stdlib/posix.rs:2020:5
     |
2020 |     pub enum SysconfVar {
     |     ^^^^^^^^^^^^^^^^^^^
...
2055 |         SC_MEMORY_PROTECTION = libc::_SC_MEMORY_PROTECTION,
     |                                --------------------------- `36` assigned here
...
2131 |         SC_XBS5_LP64_OFF64 = libc::_SC_XBS5_LP64_OFF64,
     |                              ------------------------- `36` assigned here

error[E0081]: discriminant value `57` assigned more than once
    --> vm/src/stdlib/posix.rs:2020:5
     |
2020 |     pub enum SysconfVar {
     |     ^^^^^^^^^^^^^^^^^^^
...
2074 |         SC_REALTIME_SIGNALS = libc::_SC_REALTIME_SIGNALS,
     |                               -------------------------- `57` assigned here
...
2088 |         SC_THREAD_DESTRUCTOR_ITERATIONS = libc::_SC_THREAD_DESTRUCTOR_ITERATIONS,
     |                                           -------------------------------------- `57` assigned here

error[E0081]: discriminant value `31` assigned more than once
    --> vm/src/stdlib/posix.rs:2020:5
     |
2020 |     pub enum SysconfVar {
     |     ^^^^^^^^^^^^^^^^^^^
...
2084 |         SC_SYNCHRONIZED_IO = libc::_SC_SYNCHRONIZED_IO,
     |                              ------------------------- `31` assigned here
...
2108 |         SC_XOPEN_UNIX = libc::_SC_XOPEN_UNIX,
     |                         -------------------- `31` assigned here

error[E0081]: discriminant value `88` assigned more than once
    --> vm/src/stdlib/posix.rs:2020:5
     |
2020 |     pub enum SysconfVar {
     |     ^^^^^^^^^^^^^^^^^^^
...
2082 |         SC_SIGQUEUE_MAX = libc::_SC_SIGQUEUE_MAX,
     |                           ---------------------- `88` assigned here
...
2098 |         SC_TIMER_MAX = libc::_SC_TIMER_MAX,
     |                        ------------------- `88` assigned here