[INFO] fetching crate lab 0.7.2...
[INFO] checking lab-0.7.2 against master#119d2a1a98fe87d4ae6cabf12134a0ef2fb95851 for pr-75180
[INFO] extracting crate lab 0.7.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate lab 0.7.2 on toolchain 119d2a1a98fe87d4ae6cabf12134a0ef2fb95851
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lab 0.7.2
[INFO] finished tweaking crates.io crate lab 0.7.2
[INFO] tweaked toml for crates.io crate lab 0.7.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 950ecbdc0a4e286711b3d38d0db31a472d9360d183edc2cde86b46d0a1561ae4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "950ecbdc0a4e286711b3d38d0db31a472d9360d183edc2cde86b46d0a1561ae4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "950ecbdc0a4e286711b3d38d0db31a472d9360d183edc2cde86b46d0a1561ae4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "950ecbdc0a4e286711b3d38d0db31a472d9360d183edc2cde86b46d0a1561ae4", kill_on_drop: false }`
[INFO] [stdout] 950ecbdc0a4e286711b3d38d0db31a472d9360d183edc2cde86b46d0a1561ae4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cb192a4df99667b54bf12a907638938bfd106a706255a14e764ae81afff8cd81
[INFO] running `Command { std: "docker" "start" "-a" "cb192a4df99667b54bf12a907638938bfd106a706255a14e764ae81afff8cd81", kill_on_drop: false }`
[INFO] [stderr]     Checking lab v0.7.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/simd/labs_to_rgbs.rs:250:34
[INFO] [stdout]     |
[INFO] [stdout] 250 |     let mut rgbs: [[u8; 3]; 8] = mem::uninitialized();
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/simd/rgbs_to_labs.rs:234:30
[INFO] [stdout]     |
[INFO] [stdout] 234 |     let mut labs: [Lab; 8] = mem::uninitialized();
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/simd/labs_to_rgbs.rs:250:34
[INFO] [stdout]     |
[INFO] [stdout] 250 |     let mut rgbs: [[u8; 3]; 8] = mem::uninitialized();
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/simd/rgbs_to_labs.rs:234:30
[INFO] [stdout]     |
[INFO] [stdout] 234 |     let mut labs: [Lab; 8] = mem::uninitialized();
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> benches/lab_to_rgb.rs:33:19
[INFO] [stdout]    |
[INFO] [stdout] 33 |         b.iter(|| unsafe { lab::simd::labs_to_rgbs(&LABS) })
[INFO] [stdout]    |                   ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> benches/rgb_to_lab.rs:33:19
[INFO] [stdout]    |
[INFO] [stdout] 33 |         b.iter(|| unsafe { lab::simd::rgbs_to_labs(&RGBS) })
[INFO] [stdout]    |                   ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.79s
[INFO] running `Command { std: "docker" "inspect" "cb192a4df99667b54bf12a907638938bfd106a706255a14e764ae81afff8cd81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb192a4df99667b54bf12a907638938bfd106a706255a14e764ae81afff8cd81", kill_on_drop: false }`
[INFO] [stdout] cb192a4df99667b54bf12a907638938bfd106a706255a14e764ae81afff8cd81