[INFO] fetching crate lab 0.7.1...
[INFO] checking lab-0.7.1 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate lab 0.7.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate lab 0.7.1 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate lab 0.7.1
[INFO] finished tweaking crates.io crate lab 0.7.1
[INFO] tweaked toml for crates.io crate lab 0.7.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c4e71c4e81cd3634d9660871b6c29b2b89a092c471e65f2928eb3a567bda5095
[INFO] running `"docker" "start" "-a" "c4e71c4e81cd3634d9660871b6c29b2b89a092c471e65f2928eb3a567bda5095"`
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking lab v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/simd/labs_to_rgbs.rs:250:34
[INFO] [stderr]     |
[INFO] [stderr] 250 |     let mut rgbs: [[u8; 3]; 8] = mem::uninitialized();
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/simd/rgbs_to_labs.rs:234:30
[INFO] [stderr]     |
[INFO] [stderr] 234 |     let mut labs: [Lab; 8] = mem::uninitialized();
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/simd/labs_to_rgbs.rs:250:34
[INFO] [stderr]     |
[INFO] [stderr] 250 |     let mut rgbs: [[u8; 3]; 8] = mem::uninitialized();
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/simd/rgbs_to_labs.rs:234:30
[INFO] [stderr]     |
[INFO] [stderr] 234 |     let mut labs: [Lab; 8] = mem::uninitialized();
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> benches/lab_to_rgb.rs:33:19
[INFO] [stderr]    |
[INFO] [stderr] 33 |         b.iter(|| unsafe { lab::simd::labs_to_rgbs(&LABS) })
[INFO] [stderr]    |                   ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]   --> benches/rgb_to_lab.rs:33:19
[INFO] [stderr]    |
[INFO] [stderr] 33 |         b.iter(|| unsafe { lab::simd::rgbs_to_labs(&RGBS) })
[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 35.75s
[INFO] running `"docker" "inspect" "c4e71c4e81cd3634d9660871b6c29b2b89a092c471e65f2928eb3a567bda5095"`
[INFO] running `"docker" "rm" "-f" "c4e71c4e81cd3634d9660871b6c29b2b89a092c471e65f2928eb3a567bda5095"`
[INFO] [stdout] c4e71c4e81cd3634d9660871b6c29b2b89a092c471e65f2928eb3a567bda5095