Dec 14 20:01:22.669 INFO testing shared-mutex-0.3.1 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 20:01:22.669 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 20:01:23.006 INFO [stdout] cf3b8f5c2832e2a92ef368c6044c574311da09aa124c1f845b49df03fda72509
Dec 14 20:01:23.008 INFO running `"docker" "start" "-a" "cf3b8f5c2832e2a92ef368c6044c574311da09aa124c1f845b49df03fda72509"`
Dec 14 20:01:23.377 INFO [stderr] usermod: no changes
Dec 14 20:01:23.439 INFO [stderr]    Compiling shared-mutex v0.3.1 (/source)
Dec 14 20:01:23.995 INFO [stderr] warning: unnecessary `unsafe` block
Dec 14 20:01:23.995 INFO [stderr]   --> src/lib.rs:55:9
Dec 14 20:01:23.995 INFO [stderr]    |
Dec 14 20:01:23.995 INFO [stderr] 55 |         unsafe { self.data.into_inner().into_inner() }
Dec 14 20:01:23.995 INFO [stderr]    |         ^^^^^^ unnecessary `unsafe` block
Dec 14 20:01:23.995 INFO [stderr]    |
Dec 14 20:01:23.995 INFO [stderr]    = note: #[warn(unused_unsafe)] on by default
Dec 14 20:01:23.995 INFO [stderr] 
Dec 14 20:01:24.115 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
Dec 14 20:01:24.115 INFO [stderr] su: No module specific data is present
Dec 14 20:01:24.441 INFO running `"docker" "inspect" "cf3b8f5c2832e2a92ef368c6044c574311da09aa124c1f845b49df03fda72509"`
Dec 14 20:01:24.612 INFO running `"docker" "rm" "-f" "cf3b8f5c2832e2a92ef368c6044c574311da09aa124c1f845b49df03fda72509"`
Dec 14 20:01:24.867 INFO [stdout] cf3b8f5c2832e2a92ef368c6044c574311da09aa124c1f845b49df03fda72509
Dec 14 20:01:24.872 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 20:01:25.276 INFO [stdout] 13e88cc2ce026c81398e4da215bad48c894124a9b164880794f2b8c458d5d8df
Dec 14 20:01:25.278 INFO running `"docker" "start" "-a" "13e88cc2ce026c81398e4da215bad48c894124a9b164880794f2b8c458d5d8df"`
Dec 14 20:01:26.558 INFO [stderr] usermod: no changes
Dec 14 20:01:26.618 INFO [stderr]    Compiling scopeguard v0.1.2
Dec 14 20:01:26.618 INFO [stderr]    Compiling variance v0.1.3
Dec 14 20:01:27.420 INFO [stderr]    Compiling scoped-pool v0.1.10
Dec 14 20:01:28.617 INFO [stderr]    Compiling shared-mutex v0.3.1 (/source)
Dec 14 20:01:29.835 INFO [stderr] error: unnecessary `unsafe` block
Dec 14 20:01:29.835 INFO [stderr]   --> src/lib.rs:55:9
Dec 14 20:01:29.835 INFO [stderr]    |
Dec 14 20:01:29.835 INFO [stderr] 55 |         unsafe { self.data.into_inner().into_inner() }
Dec 14 20:01:29.835 INFO [stderr]    |         ^^^^^^ unnecessary `unsafe` block
Dec 14 20:01:29.835 INFO [stderr]    |
Dec 14 20:01:29.835 INFO [stderr] note: lint level defined here
Dec 14 20:01:29.835 INFO [stderr]   --> src/lib.rs:1:24
Dec 14 20:01:29.835 INFO [stderr]    |
Dec 14 20:01:29.835 INFO [stderr] 1  | #![cfg_attr(test, deny(warnings))]
Dec 14 20:01:29.835 INFO [stderr]    |                        ^^^^^^^^
Dec 14 20:01:29.835 INFO [stderr]    = note: #[deny(unused_unsafe)] implied by #[deny(warnings)]
Dec 14 20:01:29.835 INFO [stderr] 
Dec 14 20:01:29.835 INFO [stderr] error: aborting due to previous error
Dec 14 20:01:29.835 INFO [stderr] 
Dec 14 20:01:29.838 INFO [stderr] error: Could not compile `shared-mutex`.
Dec 14 20:01:29.838 INFO [stderr] 
Dec 14 20:01:29.838 INFO [stderr] To learn more, run the command again with --verbose.
Dec 14 20:01:29.838 INFO [stderr] su: No module specific data is present
Dec 14 20:01:30.923 INFO running `"docker" "inspect" "13e88cc2ce026c81398e4da215bad48c894124a9b164880794f2b8c458d5d8df"`
Dec 14 20:01:31.279 INFO running `"docker" "rm" "-f" "13e88cc2ce026c81398e4da215bad48c894124a9b164880794f2b8c458d5d8df"`
Dec 14 20:01:31.567 INFO [stdout] 13e88cc2ce026c81398e4da215bad48c894124a9b164880794f2b8c458d5d8df