[INFO] cloning repository https://github.com/mdr4k3/christmas_song
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mdr4k3/christmas_song" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdr4k3%2Fchristmas_song", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdr4k3%2Fchristmas_song'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7e9aa64901baa690250f034e2f1b1a9db214d16d
[INFO] checking mdr4k3/christmas_song against try#6619027b13a87a3597115f2c8231f107bf3a7a5f for pr-139624
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdr4k3%2Fchristmas_song" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mdr4k3/christmas_song on toolchain 6619027b13a87a3597115f2c8231f107bf3a7a5f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6619027b13a87a3597115f2c8231f107bf3a7a5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mdr4k3/christmas_song
[INFO] finished tweaking git repo https://github.com/mdr4k3/christmas_song
[INFO] tweaked toml for git repo https://github.com/mdr4k3/christmas_song written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mdr4k3/christmas_song already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6619027b13a87a3597115f2c8231f107bf3a7a5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+6619027b13a87a3597115f2c8231f107bf3a7a5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 127e31f23cc4eb721eef7569fe5f6aaa13fd953bd5c8fe6d35ee1ebef38e11ac
[INFO] running `Command { std: "docker" "start" "-a" "127e31f23cc4eb721eef7569fe5f6aaa13fd953bd5c8fe6d35ee1ebef38e11ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "127e31f23cc4eb721eef7569fe5f6aaa13fd953bd5c8fe6d35ee1ebef38e11ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "127e31f23cc4eb721eef7569fe5f6aaa13fd953bd5c8fe6d35ee1ebef38e11ac", kill_on_drop: false }`
[INFO] [stdout] 127e31f23cc4eb721eef7569fe5f6aaa13fd953bd5c8fe6d35ee1ebef38e11ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+6619027b13a87a3597115f2c8231f107bf3a7a5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72df8b5a8f035f0a139538d52a48a5cb504896525ae015ef5493a8fe8b4c90c3
[INFO] running `Command { std: "docker" "start" "-a" "72df8b5a8f035f0a139538d52a48a5cb504896525ae015ef5493a8fe8b4c90c3", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/df92f7106832e3473da75a0e391a6513c5fe2624f7ed6727d73ef90a145c07f5/merged: no space left on device
[INFO] running `Command { std: "docker" "inspect" "72df8b5a8f035f0a139538d52a48a5cb504896525ae015ef5493a8fe8b4c90c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72df8b5a8f035f0a139538d52a48a5cb504896525ae015ef5493a8fe8b4c90c3", kill_on_drop: false }`
[INFO] [stdout] 72df8b5a8f035f0a139538d52a48a5cb504896525ae015ef5493a8fe8b4c90c3