[INFO] crate shared-mutex 0.3.1 is already in cache
[INFO] extracting crate shared-mutex 0.3.1 into work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/reg/shared-mutex/0.3.1
[INFO] extracting crate shared-mutex 0.3.1 into work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/reg/shared-mutex/0.3.1
[INFO] validating manifest of shared-mutex-0.3.1 on toolchain master#a850a426491e14186af2250549bf41256b5938d2
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of shared-mutex-0.3.1 on toolchain try#06a150c7d11500b41499224f165e9de1de096768
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing shared-mutex-0.3.1
[INFO] finished frobbing shared-mutex-0.3.1
[INFO] frobbed toml for shared-mutex-0.3.1 written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/reg/shared-mutex/0.3.1/Cargo.toml
[INFO] started frobbing shared-mutex-0.3.1
[INFO] finished frobbing shared-mutex-0.3.1
[INFO] frobbed toml for shared-mutex-0.3.1 written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/reg/shared-mutex/0.3.1/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking shared-mutex-0.3.1 against master#a850a426491e14186af2250549bf41256b5938d2 for pr-60162
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-4/master#a850a426491e14186af2250549bf41256b5938d2:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/reg/shared-mutex/0.3.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 38b53db2abc7e8ba86f0b23557d9e9d3657ef67fc87163a788468fe12f937a1b
[INFO] running `"docker" "start" "-a" "38b53db2abc7e8ba86f0b23557d9e9d3657ef67fc87163a788468fe12f937a1b"`
[INFO] [stderr]     Checking scopeguard v0.1.2
[INFO] [stderr]     Checking variance v0.1.3
[INFO] [stderr]     Checking poison v0.1.0
[INFO] [stderr]     Checking scoped-pool v0.1.10
[INFO] [stderr]     Checking shared-mutex v0.3.1 (/opt/crater/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] error: 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: #[deny(unused_unsafe)] implied by #[deny(warnings)]
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `shared-mutex`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "38b53db2abc7e8ba86f0b23557d9e9d3657ef67fc87163a788468fe12f937a1b"`
[INFO] running `"docker" "rm" "-f" "38b53db2abc7e8ba86f0b23557d9e9d3657ef67fc87163a788468fe12f937a1b"`
[INFO] [stdout] 38b53db2abc7e8ba86f0b23557d9e9d3657ef67fc87163a788468fe12f937a1b