[INFO] crate shared-mutex 0.3.1 is already in cache
[INFO] testing shared-mutex-0.3.1 against 1.38.0 for beta-1.39-1
[INFO] extracting crate shared-mutex 0.3.1 into work/builds/worker-9/source
[INFO] validating manifest of crates.io crate shared-mutex 0.3.1 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate shared-mutex 0.3.1
[INFO] finished tweaking crates.io crate shared-mutex 0.3.1
[INFO] tweaked toml for crates.io crate shared-mutex 0.3.1 written to work/builds/worker-9/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] b610de8df50e6e7a05af3fd92bc05d939d6eb9bdf16c85b99a544c5b7191fde0
[INFO] running `"docker" "start" "-a" "b610de8df50e6e7a05af3fd92bc05d939d6eb9bdf16c85b99a544c5b7191fde0"`
[INFO] [stderr]    Compiling poison v0.1.0
[INFO] [stderr]    Compiling shared-mutex v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/lib.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |         unsafe { self.data.into_inner().into_inner() }
[INFO] [stderr]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `"docker" "inspect" "b610de8df50e6e7a05af3fd92bc05d939d6eb9bdf16c85b99a544c5b7191fde0"`
[INFO] running `"docker" "rm" "-f" "b610de8df50e6e7a05af3fd92bc05d939d6eb9bdf16c85b99a544c5b7191fde0"`
[INFO] [stdout] b610de8df50e6e7a05af3fd92bc05d939d6eb9bdf16c85b99a544c5b7191fde0
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9fc638f5f5258e04e5ecb283dca804369e12145390186a4d57fb22e903a2209f
[INFO] running `"docker" "start" "-a" "9fc638f5f5258e04e5ecb283dca804369e12145390186a4d57fb22e903a2209f"`
[INFO] [stderr]    Compiling scopeguard v0.1.2
[INFO] [stderr]    Compiling variance v0.1.3
[INFO] [stderr]    Compiling scoped-pool v0.1.10
[INFO] [stderr]    Compiling shared-mutex v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> src/lib.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |         unsafe { self.data.into_inner().into_inner() }
[INFO] [stderr]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:1:24
[INFO] [stderr]    |
[INFO] [stderr] 1  | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]    |                        ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(unused_unsafe)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `"docker" "inspect" "9fc638f5f5258e04e5ecb283dca804369e12145390186a4d57fb22e903a2209f"`
[INFO] running `"docker" "rm" "-f" "9fc638f5f5258e04e5ecb283dca804369e12145390186a4d57fb22e903a2209f"`
[INFO] [stdout] 9fc638f5f5258e04e5ecb283dca804369e12145390186a4d57fb22e903a2209f
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 1b3efb3171de60fe6f1004e977e0b051a2c68bfabe238150f76c080e54dae7db
[INFO] running `"docker" "start" "-a" "1b3efb3171de60fe6f1004e977e0b051a2c68bfabe238150f76c080e54dae7db"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/shared_mutex-7b406d4992246303
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test raw::test::test_raw_is ... ok
[INFO] [stdout] test test::test_map_recover ... ok
[INFO] [stdout] test test::test_mapping ... ok
[INFO] [stdout] test test::test_simple_single_thread ... ok
[INFO] [stdout] test test::test_try_locking ... ok
[INFO] [stdout] test test::test_simple_multithreaded ... ok
[INFO] [stdout] test test::test_simple_waiting ... ok
[INFO] [stdout] test test::test_locking_multithreaded ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests shared-mutex
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1b3efb3171de60fe6f1004e977e0b051a2c68bfabe238150f76c080e54dae7db"`
[INFO] running `"docker" "rm" "-f" "1b3efb3171de60fe6f1004e977e0b051a2c68bfabe238150f76c080e54dae7db"`
[INFO] [stdout] 1b3efb3171de60fe6f1004e977e0b051a2c68bfabe238150f76c080e54dae7db