[INFO] cloning repository https://github.com/kopeto/optimalteam_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kopeto/optimalteam_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkopeto%2Foptimalteam_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkopeto%2Foptimalteam_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bd501b1be4f1844387704aa80a4345f752dd5e61
[INFO] checking kopeto/optimalteam_rust against master#b2728d5426bab1d8c39709768c7e22b7f66dde5d for pr-135852
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkopeto%2Foptimalteam_rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kopeto/optimalteam_rust on toolchain b2728d5426bab1d8c39709768c7e22b7f66dde5d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2728d5426bab1d8c39709768c7e22b7f66dde5d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kopeto/optimalteam_rust
[INFO] finished tweaking git repo https://github.com/kopeto/optimalteam_rust
[INFO] tweaked toml for git repo https://github.com/kopeto/optimalteam_rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kopeto/optimalteam_rust 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" "+b2728d5426bab1d8c39709768c7e22b7f66dde5d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+b2728d5426bab1d8c39709768c7e22b7f66dde5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14db123ed93ef229968edf07803bc66e70e65c62ff771396f64a88f61181dae5
[INFO] running `Command { std: "docker" "start" "-a" "14db123ed93ef229968edf07803bc66e70e65c62ff771396f64a88f61181dae5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14db123ed93ef229968edf07803bc66e70e65c62ff771396f64a88f61181dae5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14db123ed93ef229968edf07803bc66e70e65c62ff771396f64a88f61181dae5", kill_on_drop: false }`
[INFO] [stdout] 14db123ed93ef229968edf07803bc66e70e65c62ff771396f64a88f61181dae5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+b2728d5426bab1d8c39709768c7e22b7f66dde5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1cd9cea7e115fe3e6a8e5b9b1daa59b6e7c0c6e95d69d90f41e66ec08f53c9ca
[INFO] running `Command { std: "docker" "start" "-a" "1cd9cea7e115fe3e6a8e5b9b1daa59b6e7c0c6e95d69d90f41e66ec08f53c9ca", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/e69120ce5531329ce315d143bc373831c8da38d1013b6db9fcfaade45db3b3c8/merged: no space left on device
[INFO] running `Command { std: "docker" "inspect" "1cd9cea7e115fe3e6a8e5b9b1daa59b6e7c0c6e95d69d90f41e66ec08f53c9ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cd9cea7e115fe3e6a8e5b9b1daa59b6e7c0c6e95d69d90f41e66ec08f53c9ca", kill_on_drop: false }`
[INFO] [stdout] 1cd9cea7e115fe3e6a8e5b9b1daa59b6e7c0c6e95d69d90f41e66ec08f53c9ca