[INFO] fetching crate raw_sync_2 0.1.5...
[INFO] checking raw_sync_2-0.1.5 against try#31561a63598a0f21fc74c024747ef1310fdd2eb2 for pr-133536
[INFO] extracting crate raw_sync_2 0.1.5 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate raw_sync_2 0.1.5 on toolchain 31561a63598a0f21fc74c024747ef1310fdd2eb2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate raw_sync_2 0.1.5
[INFO] finished tweaking crates.io crate raw_sync_2 0.1.5
[INFO] tweaked toml for crates.io crate raw_sync_2 0.1.5 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate raw_sync_2 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2def5f4d45d50bd4209c7a310d6b2abdd6106678307b8b3172f3e26dcd7a849
[INFO] running `Command { std: "docker" "start" "-a" "c2def5f4d45d50bd4209c7a310d6b2abdd6106678307b8b3172f3e26dcd7a849", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2def5f4d45d50bd4209c7a310d6b2abdd6106678307b8b3172f3e26dcd7a849", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2def5f4d45d50bd4209c7a310d6b2abdd6106678307b8b3172f3e26dcd7a849", kill_on_drop: false }`
[INFO] [stdout] c2def5f4d45d50bd4209c7a310d6b2abdd6106678307b8b3172f3e26dcd7a849
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a031db9ca33561701108d0f4a51c68a0c18c21d4160a75c0b0a12f8b42249f7
[INFO] running `Command { std: "docker" "start" "-a" "9a031db9ca33561701108d0f4a51c68a0c18c21d4160a75c0b0a12f8b42249f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.23.2
[INFO] [stderr]     Checking env_logger v0.9.3
[INFO] [stderr]     Checking raw_sync_2 v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the type `pthread_condattr_t` does not permit being left uninitialized
[INFO] [stdout]   --> src/events/unix.rs:51:45
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut attrs: pthread_condattr_t = MaybeUninit::uninit().assume_init();
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                             |
[INFO] [stdout]    |                                             this code causes undefined behavior when executed
[INFO] [stdout]    |                                             help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `timespec` does not permit being left uninitialized
[INFO] [stdout]    --> src/locks/unix.rs:136:38
[INFO] [stdout]     |
[INFO] [stdout] 136 |         let mut cur_time: timespec = MaybeUninit::uninit().assume_init();
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                      |
[INFO] [stdout]     |                                      this code causes undefined behavior when executed
[INFO] [stdout]     |                                      help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `pthread_mutexattr_t` does not permit being left uninitialized
[INFO] [stdout]    --> src/locks/unix.rs:164:50
[INFO] [stdout]     |
[INFO] [stdout] 164 |         let mut lock_attr: pthread_mutexattr_t = MaybeUninit::uninit().assume_init();
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                  |
[INFO] [stdout]     |                                                  this code causes undefined behavior when executed
[INFO] [stdout]     |                                                  help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `pthread_rwlockattr_t` does not permit being left uninitialized
[INFO] [stdout]    --> src/locks/unix.rs:273:51
[INFO] [stdout]     |
[INFO] [stdout] 273 |         let mut lock_attr: pthread_rwlockattr_t = MaybeUninit::uninit().assume_init();
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                   |
[INFO] [stdout]     |                                                   this code causes undefined behavior when executed
[INFO] [stdout]     |                                                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `pthread_condattr_t` does not permit being left uninitialized
[INFO] [stdout]   --> src/events/unix.rs:51:45
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut attrs: pthread_condattr_t = MaybeUninit::uninit().assume_init();
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                             |
[INFO] [stdout]    |                                             this code causes undefined behavior when executed
[INFO] [stdout]    |                                             help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `timespec` does not permit being left uninitialized
[INFO] [stdout]    --> src/locks/unix.rs:136:38
[INFO] [stdout]     |
[INFO] [stdout] 136 |         let mut cur_time: timespec = MaybeUninit::uninit().assume_init();
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                      |
[INFO] [stdout]     |                                      this code causes undefined behavior when executed
[INFO] [stdout]     |                                      help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `pthread_mutexattr_t` does not permit being left uninitialized
[INFO] [stdout]    --> src/locks/unix.rs:164:50
[INFO] [stdout]     |
[INFO] [stdout] 164 |         let mut lock_attr: pthread_mutexattr_t = MaybeUninit::uninit().assume_init();
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                  |
[INFO] [stdout]     |                                                  this code causes undefined behavior when executed
[INFO] [stdout]     |                                                  help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `pthread_rwlockattr_t` does not permit being left uninitialized
[INFO] [stdout]    --> src/locks/unix.rs:273:51
[INFO] [stdout]     |
[INFO] [stdout] 273 |         let mut lock_attr: pthread_rwlockattr_t = MaybeUninit::uninit().assume_init();
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                                   |
[INFO] [stdout]     |                                                   this code causes undefined behavior when executed
[INFO] [stdout]     |                                                   help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `raw_sync`
[INFO] [stdout]  --> examples/events.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use raw_sync::{events::*, Timeout};
[INFO] [stdout]   |     ^^^^^^^^ use of undeclared crate or module `raw_sync`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 6 | use raw_sync_2::{events::*, Timeout};
[INFO] [stdout]   |     ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `raw_sync`
[INFO] [stdout]  --> examples/events.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use raw_sync::{events::*, Timeout};
[INFO] [stdout]   |     ^^^^^^^^ use of undeclared crate or module `raw_sync`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 6 | use raw_sync_2::{events::*, Timeout};
[INFO] [stdout]   |     ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `raw_sync`
[INFO] [stdout]  --> examples/locks.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use raw_sync::{locks::*, Timeout};
[INFO] [stdout]   |     ^^^^^^^^ use of undeclared crate or module `raw_sync`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 6 | use raw_sync_2::{locks::*, Timeout};
[INFO] [stdout]   |     ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `raw_sync`
[INFO] [stdout]  --> examples/locks.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use raw_sync::{locks::*, Timeout};
[INFO] [stdout]   |     ^^^^^^^^ use of undeclared crate or module `raw_sync`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 6 | use raw_sync_2::{locks::*, Timeout};
[INFO] [stdout]   |     ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Event`
[INFO] [stdout]   --> examples/events.rs:37:29
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let (obj, _) = unsafe { Event::new(mem, auto_reset)? };
[INFO] [stdout]    |                             ^^^^^ use of undeclared type `Event`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 1  + use nix::sys::ptrace::Event;
[INFO] [stdout]    |
[INFO] [stdout] 1  + use raw_sync_2::events::Event;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Event`
[INFO] [stdout]   --> examples/events.rs:42:33
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let (obj, _) = unsafe { Event::from_existing(mem_ptr as _).unwrap() };
[INFO] [stdout]    |                                 ^^^^^ use of undeclared type `Event`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 1  + use nix::sys::ptrace::Event;
[INFO] [stdout]    |
[INFO] [stdout] 1  + use raw_sync_2::events::Event;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `EventState`
[INFO] [stdout]   --> examples/events.rs:64:17
[INFO] [stdout]    |
[INFO] [stdout] 64 |         obj.set(EventState::Signaled).unwrap();
[INFO] [stdout]    |                 ^^^^^^^^^^ use of undeclared type `EventState`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]    |
[INFO] [stdout] 1  + use raw_sync_2::events::EventState;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `EventState`
[INFO] [stdout]   --> examples/events.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 |         obj.set(EventState::Signaled).unwrap();
[INFO] [stdout]    |                 ^^^^^^^^^^ use of undeclared type `EventState`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]    |
[INFO] [stdout] 1  + use raw_sync_2::events::EventState;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `EventState`
[INFO] [stdout]   --> examples/events.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |         obj.set(EventState::Clear).unwrap();
[INFO] [stdout]    |                 ^^^^^^^^^^ use of undeclared type `EventState`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]    |
[INFO] [stdout] 1  + use raw_sync_2::events::EventState;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `EventState`
[INFO] [stdout]   --> examples/events.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |     obj.set(EventState::Signaled)?;
[INFO] [stdout]    |             ^^^^^^^^^^ use of undeclared type `EventState`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]    |
[INFO] [stdout] 1  + use raw_sync_2::events::EventState;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `BusyEvent`
[INFO] [stdout]   --> examples/events.rs:93:29
[INFO] [stdout]    |
[INFO] [stdout] 93 |     let (obj, _) = unsafe { BusyEvent::new(mem, auto_reset)? };
[INFO] [stdout]    |                             ^^^^^^^^^ use of undeclared type `BusyEvent`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 1  + use raw_sync_2::events::BusyEvent;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `BusyEvent`
[INFO] [stdout]   --> examples/events.rs:98:33
[INFO] [stdout]    |
[INFO] [stdout] 98 |         let (obj, _) = unsafe { BusyEvent::from_existing(mem_ptr as _).unwrap() };
[INFO] [stdout]    |                                 ^^^^^^^^^ use of undeclared type `BusyEvent`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 1  + use raw_sync_2::events::BusyEvent;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `EventState`
[INFO] [stdout]    --> examples/events.rs:120:17
[INFO] [stdout]     |
[INFO] [stdout] 120 |         obj.set(EventState::Signaled).unwrap();
[INFO] [stdout]     |                 ^^^^^^^^^^ use of undeclared type `EventState`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]     |
[INFO] [stdout] 1   + use raw_sync_2::events::EventState;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `EventState`
[INFO] [stdout]    --> examples/events.rs:122:17
[INFO] [stdout]     |
[INFO] [stdout] 122 |         obj.set(EventState::Signaled).unwrap();
[INFO] [stdout]     |                 ^^^^^^^^^^ use of undeclared type `EventState`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]     |
[INFO] [stdout] 1   + use raw_sync_2::events::EventState;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `EventState`
[INFO] [stdout]    --> examples/events.rs:124:17
[INFO] [stdout]     |
[INFO] [stdout] 124 |         obj.set(EventState::Clear).unwrap();
[INFO] [stdout]     |                 ^^^^^^^^^^ use of undeclared type `EventState`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]     |
[INFO] [stdout] 1   + use raw_sync_2::events::EventState;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `EventState`
[INFO] [stdout]    --> examples/events.rs:129:13
[INFO] [stdout]     |
[INFO] [stdout] 129 |     obj.set(EventState::Signaled)?;
[INFO] [stdout]     |             ^^^^^^^^^^ use of undeclared type `EventState`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]     |
[INFO] [stdout] 1   + use raw_sync_2::events::EventState;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `LockImpl` in this scope
[INFO] [stdout]   --> examples/locks.rs:10:36
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn test_timeout(id: u8, lock: &dyn LockImpl) {
[INFO] [stdout]    |                                    ^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]    |
[INFO] [stdout] 1  + use raw_sync_2::locks::LockImpl;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `LockImpl` in this scope
[INFO] [stdout]   --> examples/locks.rs:21:40
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn increment_val(id: u8, lock: Box<dyn LockImpl>) {
[INFO] [stdout]    |                                        ^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]    |
[INFO] [stdout] 1  + use raw_sync_2::locks::LockImpl;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Mutex`
[INFO] [stdout]   --> examples/locks.rs:71:30
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let (lock, _) = unsafe { Mutex::new(mem, data_ptr as _)? };
[INFO] [stdout]    |                              ^^^^^ use of undeclared type `Mutex`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]    |
[INFO] [stdout] 1  + use std::sync::Mutex;
[INFO] [stdout]    |
[INFO] [stdout] 1  + use raw_sync_2::locks::Mutex;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Mutex`
[INFO] [stdout]   --> examples/locks.rs:74:34
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let (lock, _) = unsafe { Mutex::from_existing(mem_ptr as _, data_ptr as _).unwrap() };
[INFO] [stdout]    |                                  ^^^^^ use of undeclared type `Mutex`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]    |
[INFO] [stdout] 1  + use std::sync::Mutex;
[INFO] [stdout]    |
[INFO] [stdout] 1  + use raw_sync_2::locks::Mutex;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `RwLock`
[INFO] [stdout]   --> examples/locks.rs:96:30
[INFO] [stdout]    |
[INFO] [stdout] 96 |     let (lock, _) = unsafe { RwLock::new(mem, data_ptr as _)? };
[INFO] [stdout]    |                              ^^^^^^ use of undeclared type `RwLock`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]    |
[INFO] [stdout] 1  + use std::sync::RwLock;
[INFO] [stdout]    |
[INFO] [stdout] 1  + use raw_sync_2::locks::RwLock;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `RwLock`
[INFO] [stdout]   --> examples/locks.rs:99:34
[INFO] [stdout]    |
[INFO] [stdout] 99 |         let (lock, _) = unsafe { RwLock::from_existing(mem_ptr as _, data_ptr as _).unwrap() };
[INFO] [stdout]    |                                  ^^^^^^ use of undeclared type `RwLock`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]    |
[INFO] [stdout] 1  + use std::sync::RwLock;
[INFO] [stdout]    |
[INFO] [stdout] 1  + use raw_sync_2::locks::RwLock;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `raw_sync_2` (example "events") due to 14 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `raw_sync_2` (example "locks") due to 8 previous errors
[INFO] running `Command { std: "docker" "inspect" "9a031db9ca33561701108d0f4a51c68a0c18c21d4160a75c0b0a12f8b42249f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a031db9ca33561701108d0f4a51c68a0c18c21d4160a75c0b0a12f8b42249f7", kill_on_drop: false }`
[INFO] [stdout] 9a031db9ca33561701108d0f4a51c68a0c18c21d4160a75c0b0a12f8b42249f7
