[INFO] fetching crate remutex 0.1.1...
[INFO] checking remutex-0.1.1 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate remutex 0.1.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate remutex 0.1.1 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate remutex 0.1.1
[INFO] finished tweaking crates.io crate remutex 0.1.1
[INFO] tweaked toml for crates.io crate remutex 0.1.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 120b54355288037badef3d41404b89e86723741ed2bbf24d9861ec2609393b91
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "120b54355288037badef3d41404b89e86723741ed2bbf24d9861ec2609393b91"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking remutex v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/remutex.rs:82:16
[INFO] [stderr]    |
[INFO] [stderr] 82 |             Ok(try!(ReentrantMutexGuard::new(&self)))
[INFO] [stderr]    |                ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/poison.rs:158:32
[INFO] [stderr]     |
[INFO] [stderr] 158 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/remutex.rs:82:16
[INFO] [stderr]    |
[INFO] [stderr] 82 |             Ok(try!(ReentrantMutexGuard::new(&self)))
[INFO] [stderr]    |                ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/poison.rs:158:32
[INFO] [stderr]     |
[INFO] [stderr] 158 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/unix.rs:19:33
[INFO] [stderr]    |
[INFO] [stderr] 19 |         ReentrantMutex { inner: mem::uninitialized() }
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/unix.rs:23:50
[INFO] [stderr]    |
[INFO] [stderr] 23 |         let mut attr: ffi::pthread_mutexattr_t = mem::uninitialized();
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/unix.rs:19:33
[INFO] [stderr]    |
[INFO] [stderr] 19 |         ReentrantMutex { inner: mem::uninitialized() }
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/unix.rs:23:50
[INFO] [stderr]    |
[INFO] [stderr] 23 |         let mut attr: ffi::pthread_mutexattr_t = mem::uninitialized();
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/poison.rs:146:14
[INFO] [stderr]     |
[INFO] [stderr] 146 |         self.description().fmt(f)
[INFO] [stderr]     |              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/poison.rs:153:48
[INFO] [stderr]     |
[INFO] [stderr] 153 |             TryLockError::Poisoned(ref p) => p.description(),
[INFO] [stderr]     |                                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/poison.rs:146:14
[INFO] [stderr]     |
[INFO] [stderr] 146 |         self.description().fmt(f)
[INFO] [stderr]     |              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/poison.rs:153:48
[INFO] [stderr]     |
[INFO] [stderr] 153 |             TryLockError::Poisoned(ref p) => p.description(),
[INFO] [stderr]     |                                                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `"docker" "inspect" "120b54355288037badef3d41404b89e86723741ed2bbf24d9861ec2609393b91"`
[INFO] running `"docker" "rm" "-f" "120b54355288037badef3d41404b89e86723741ed2bbf24d9861ec2609393b91"`
[INFO] [stdout] 120b54355288037badef3d41404b89e86723741ed2bbf24d9861ec2609393b91