[INFO] fetching crate cognitive-aesthetics 0.1.0...
[INFO] checking cognitive-aesthetics-0.1.0 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate cognitive-aesthetics 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate cognitive-aesthetics 0.1.0 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cognitive-aesthetics 0.1.0
[INFO] finished tweaking crates.io crate cognitive-aesthetics 0.1.0
[INFO] tweaked toml for crates.io crate cognitive-aesthetics 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded inflate v0.1.1
[INFO] [stderr]   Downloaded core-foundation-sys v0.3.1
[INFO] [stderr]   Downloaded stb_truetype v0.2.8
[INFO] [stderr]   Downloaded font-loader v0.2.0
[INFO] [stderr]   Downloaded core-text v4.0.0
[INFO] [stderr]   Downloaded silverknife-fontconfig-sys v0.1.0
[INFO] [stderr]   Downloaded gdi32-sys v0.2.0
[INFO] [stderr]   Downloaded core-foundation v0.3.0
[INFO] [stderr]   Downloaded core-graphics v0.7.0
[INFO] [stderr]   Downloaded image v0.12.4
[INFO] [stderr]   Downloaded user32-sys v0.2.0
[INFO] [stderr]   Downloaded rusttype v0.2.4
[INFO] [stderr]   Downloaded png v0.6.2
[INFO] [stderr]   Downloaded gif v0.9.2
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7b7f1e2810e15fc230d037e698464f77dd24527add4377a1a965a298b6eb7b4
[INFO] running `Command { std: "docker" "start" "-a" "d7b7f1e2810e15fc230d037e698464f77dd24527add4377a1a965a298b6eb7b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7b7f1e2810e15fc230d037e698464f77dd24527add4377a1a965a298b6eb7b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7b7f1e2810e15fc230d037e698464f77dd24527add4377a1a965a298b6eb7b4", kill_on_drop: false }`
[INFO] [stdout] d7b7f1e2810e15fc230d037e698464f77dd24527add4377a1a965a298b6eb7b4
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2e63d156d80be5bd0a02e59ec52d2479d9892f0d092f3cb5cc49db00d6864ce
[INFO] running `Command { std: "docker" "start" "-a" "d2e63d156d80be5bd0a02e59ec52d2479d9892f0d092f3cb5cc49db00d6864ce", kill_on_drop: false }`
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking inflate v0.1.1
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling silverknife-fontconfig-sys v0.1.0
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]     Checking stb_truetype v0.2.8
[INFO] [stderr]     Checking font-loader v0.2.0
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking chrono v0.3.0
[INFO] [stderr]     Checking png v0.6.2
[INFO] [stderr]     Checking rusttype v0.2.4
[INFO] [stderr]     Checking image v0.12.4
[INFO] [stderr]     Checking cognitive-aesthetics v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/panels.rs:149:13
[INFO] [stdout]     |
[INFO] [stdout] 149 |         let mut data = buffer.as_mut_slice();
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/panels.rs:149:13
[INFO] [stdout]     |
[INFO] [stdout] 149 |         let mut data = buffer.as_mut_slice();
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` 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 7.30s
[INFO] running `Command { std: "docker" "inspect" "d2e63d156d80be5bd0a02e59ec52d2479d9892f0d092f3cb5cc49db00d6864ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2e63d156d80be5bd0a02e59ec52d2479d9892f0d092f3cb5cc49db00d6864ce", kill_on_drop: false }`
[INFO] [stdout] d2e63d156d80be5bd0a02e59ec52d2479d9892f0d092f3cb5cc49db00d6864ce