[INFO] cloning repository https://github.com/cauebs/clavier-a-lumieres
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cauebs/clavier-a-lumieres" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcauebs%2Fclavier-a-lumieres"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcauebs%2Fclavier-a-lumieres'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d27d77d0281c3a284542bc89ff2b2b374a27d715
[INFO] checking cauebs/clavier-a-lumieres against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcauebs%2Fclavier-a-lumieres" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cauebs/clavier-a-lumieres on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/cauebs/clavier-a-lumieres
[INFO] finished tweaking git repo https://github.com/cauebs/clavier-a-lumieres
[INFO] tweaked toml for git repo https://github.com/cauebs/clavier-a-lumieres written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/cauebs/clavier-a-lumieres already has a lockfile, it will not be regenerated
[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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 9dd6fd26f82e98a789707a793d9730c904c5246e7d7543eb08ca956c1da26e38
[INFO] running `"docker" "start" "-a" "9dd6fd26f82e98a789707a793d9730c904c5246e7d7543eb08ca956c1da26e38"`
[INFO] [stderr]     Checking memalloc v0.1.0
[INFO] [stderr]     Checking wmidi v1.1.0
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]     Checking alsa-sys v0.1.2
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling clang-sys v0.23.0
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling cexpr v0.2.3
[INFO] [stderr]     Checking alsa v0.2.1
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling bindgen v0.37.4
[INFO] [stderr]     Checking midir v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stderr]    Compiling rs_ws281x v0.2.3
[INFO] [stderr]     Checking clavier-à-lumières v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `CHROMATIC_RAINBOW`
[INFO] [stderr]  --> src/piano.rs:3:31
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::colors::{ColorRGB, CHROMATIC_RAINBOW, RAINBOW_OF_FIFTHS};
[INFO] [stderr]   |                               ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `CHROMATIC_RAINBOW`
[INFO] [stderr]   --> src/colors.rs:3:1
[INFO] [stderr]    |
[INFO] [stderr] 3  | / pub const CHROMATIC_RAINBOW: [ColorRGB; 12] = [
[INFO] [stderr] 4  | |     (0xff, 0x00, 0x00),
[INFO] [stderr] 5  | |     (0xff, 0x80, 0x00),
[INFO] [stderr] 6  | |     (0xff, 0xff, 0x00),
[INFO] [stderr] ...  |
[INFO] [stderr] 15 | |     (0xff, 0x00, 0x80),
[INFO] [stderr] 16 | | ];
[INFO] [stderr]    | |__^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `CHROMATIC_RAINBOW`
[INFO] [stderr]  --> src/piano.rs:3:31
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::colors::{ColorRGB, CHROMATIC_RAINBOW, RAINBOW_OF_FIFTHS};
[INFO] [stderr]   |                               ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `CHROMATIC_RAINBOW`
[INFO] [stderr]   --> src/colors.rs:3:1
[INFO] [stderr]    |
[INFO] [stderr] 3  | / pub const CHROMATIC_RAINBOW: [ColorRGB; 12] = [
[INFO] [stderr] 4  | |     (0xff, 0x00, 0x00),
[INFO] [stderr] 5  | |     (0xff, 0x80, 0x00),
[INFO] [stderr] 6  | |     (0xff, 0xff, 0x00),
[INFO] [stderr] ...  |
[INFO] [stderr] 15 | |     (0xff, 0x00, 0x80),
[INFO] [stderr] 16 | | ];
[INFO] [stderr]    | |__^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 26s
[INFO] running `"docker" "inspect" "9dd6fd26f82e98a789707a793d9730c904c5246e7d7543eb08ca956c1da26e38"`
[INFO] running `"docker" "rm" "-f" "9dd6fd26f82e98a789707a793d9730c904c5246e7d7543eb08ca956c1da26e38"`
[INFO] [stdout] 9dd6fd26f82e98a789707a793d9730c904c5246e7d7543eb08ca956c1da26e38