[INFO] cloning repository https://github.com/diego-gt/contrast-checker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/diego-gt/contrast-checker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdiego-gt%2Fcontrast-checker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdiego-gt%2Fcontrast-checker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d940fd5306d4a77dfd065631fb480f09f30f215a
[INFO] checking diego-gt/contrast-checker against master#040e2f8b9ff2d76fbe2146d6003e297ed4532088 for pr-143619
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdiego-gt%2Fcontrast-checker" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/diego-gt/contrast-checker
[INFO] finished tweaking git repo https://github.com/diego-gt/contrast-checker
[INFO] tweaked toml for git repo https://github.com/diego-gt/contrast-checker written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/diego-gt/contrast-checker on toolchain 040e2f8b9ff2d76fbe2146d6003e297ed4532088
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/diego-gt/contrast-checker 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" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4a63d75fdfb1396d0d8f63e4a4b1415f144fd7d31c0ac9664f5ded52a1afa33
[INFO] running `Command { std: "docker" "start" "-a" "d4a63d75fdfb1396d0d8f63e4a4b1415f144fd7d31c0ac9664f5ded52a1afa33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4a63d75fdfb1396d0d8f63e4a4b1415f144fd7d31c0ac9664f5ded52a1afa33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4a63d75fdfb1396d0d8f63e4a4b1415f144fd7d31c0ac9664f5ded52a1afa33", kill_on_drop: false }`
[INFO] [stdout] d4a63d75fdfb1396d0d8f63e4a4b1415f144fd7d31c0ac9664f5ded52a1afa33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50f5329c41a9edf2b595aec93029f772b71704176459fe8605b09bcbff8e5d89
[INFO] running `Command { std: "docker" "start" "-a" "50f5329c41a9edf2b595aec93029f772b71704176459fe8605b09bcbff8e5d89", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: failed to create task for container: failed to start shim: mkdir /var/lib/containerd/io.containerd.runtime.v2.task/moby/50f5329c41a9edf2b595aec93029f772b71704176459fe8605b09bcbff8e5d89: no space left on device: unknown
[INFO] running `Command { std: "docker" "inspect" "50f5329c41a9edf2b595aec93029f772b71704176459fe8605b09bcbff8e5d89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50f5329c41a9edf2b595aec93029f772b71704176459fe8605b09bcbff8e5d89", kill_on_drop: false }`
[INFO] [stdout] 50f5329c41a9edf2b595aec93029f772b71704176459fe8605b09bcbff8e5d89