[INFO] fetching crate cognitive-aesthetics 0.1.0...
[INFO] checking cognitive-aesthetics-0.1.0 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate cognitive-aesthetics 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate cognitive-aesthetics 0.1.0 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-9/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded core-text v4.0.0
[INFO] [stderr]   Downloaded font-loader v0.2.0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] 86662bc46bfac9eb3a20cf9ea45b4cdfed7c37f7d040f8327519d9cdc9073567
[INFO] running `"docker" "start" "-a" "86662bc46bfac9eb3a20cf9ea45b4cdfed7c37f7d040f8327519d9cdc9073567"`
[INFO] [stderr]     Checking bitflags v0.8.2
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling silverknife-fontconfig-sys v0.1.0
[INFO] [stderr]     Checking nix v0.8.1
[INFO] [stderr]     Checking timerfd v0.2.0
[INFO] [stderr]     Checking timber v0.1.0
[INFO] [stderr]    Compiling serde_derive v0.9.15
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking rusttype v0.2.4
[INFO] [stderr]     Checking png v0.6.2
[INFO] [stderr]     Checking cognitive-graphics v0.1.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.16
[INFO] [stderr]     Checking font-loader v0.2.0
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking image v0.12.4
[INFO] [stderr]     Checking dharma v0.1.0
[INFO] [stderr]     Checking cognitive-qualia v0.1.0
[INFO] [stderr]     Checking cognitive-aesthetics v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/panels.rs:149:13
[INFO] [stderr]     |
[INFO] [stderr] 149 |         let mut data = buffer.as_mut_slice();
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/panels.rs:149:13
[INFO] [stderr]     |
[INFO] [stderr] 149 |         let mut data = buffer.as_mut_slice();
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.01s
[INFO] running `"docker" "inspect" "86662bc46bfac9eb3a20cf9ea45b4cdfed7c37f7d040f8327519d9cdc9073567"`
[INFO] running `"docker" "rm" "-f" "86662bc46bfac9eb3a20cf9ea45b4cdfed7c37f7d040f8327519d9cdc9073567"`
[INFO] [stdout] 86662bc46bfac9eb3a20cf9ea45b4cdfed7c37f7d040f8327519d9cdc9073567