[INFO] cloning repository https://github.com/leshakoss/chord-quiz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/leshakoss/chord-quiz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleshakoss%2Fchord-quiz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleshakoss%2Fchord-quiz'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4618bf3cee7744dba7994921ec79c0837ee2231e
[INFO] checking leshakoss/chord-quiz against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleshakoss%2Fchord-quiz" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/leshakoss/chord-quiz on toolchain e0f03aec47b100bc29555561bd62a99d1bc6aca5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/leshakoss/chord-quiz
[INFO] finished tweaking git repo https://github.com/leshakoss/chord-quiz
[INFO] tweaked toml for git repo https://github.com/leshakoss/chord-quiz written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/leshakoss/chord-quiz already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dialoguer v0.7.1
[INFO] [stderr]   Downloaded console v0.13.0
[INFO] [stderr]   Downloaded coremidi-sys v2.0.2
[INFO] [stderr]   Downloaded midir v0.7.0
[INFO] [stderr]   Downloaded coremidi v0.4.0
[INFO] [stderr]   Downloaded terminal_size v0.1.15
[INFO] [stderr]   Downloaded memalloc v0.1.0
[INFO] [stderr]   Downloaded wmidi v3.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46eea20cb4e6d03332a22f6f42ef352fdb5398001b46df589f4e68042371a135
[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" "46eea20cb4e6d03332a22f6f42ef352fdb5398001b46df589f4e68042371a135", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46eea20cb4e6d03332a22f6f42ef352fdb5398001b46df589f4e68042371a135", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46eea20cb4e6d03332a22f6f42ef352fdb5398001b46df589f4e68042371a135", kill_on_drop: false }`
[INFO] [stdout] 46eea20cb4e6d03332a22f6f42ef352fdb5398001b46df589f4e68042371a135
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b582e7fa9a732b12770ecf7889a61fa5638d81bb0429f496c4041b88ae59c66a
[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" "b582e7fa9a732b12770ecf7889a61fa5638d81bb0429f496c4041b88ae59c66a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking zeroize v0.9.3
[INFO] [stderr]     Checking memalloc v0.1.0
[INFO] [stderr]     Checking wmidi v3.1.0
[INFO] [stderr]    Compiling alsa-sys v0.3.0
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking terminal_size v0.1.15
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking console v0.13.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking dialoguer v0.7.1
[INFO] [stderr]     Checking alsa v0.4.3
[INFO] [stderr]     Checking midir v0.7.0
[INFO] [stderr]     Checking chords-quiz v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.07s
[INFO] running `Command { std: "docker" "inspect" "b582e7fa9a732b12770ecf7889a61fa5638d81bb0429f496c4041b88ae59c66a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b582e7fa9a732b12770ecf7889a61fa5638d81bb0429f496c4041b88ae59c66a", kill_on_drop: false }`
[INFO] [stdout] b582e7fa9a732b12770ecf7889a61fa5638d81bb0429f496c4041b88ae59c66a