[INFO] cloning repository https://github.com/mat-his/stairling_assessment
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mat-his/stairling_assessment" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmat-his%2Fstairling_assessment", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmat-his%2Fstairling_assessment'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f7bb9ce6b559aae59f0c0ec85212e19c226dac8a
[INFO] checking mat-his/stairling_assessment against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmat-his%2Fstairling_assessment" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mat-his/stairling_assessment
[INFO] finished tweaking git repo https://github.com/mat-his/stairling_assessment
[INFO] tweaked toml for git repo https://github.com/mat-his/stairling_assessment written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mat-his/stairling_assessment on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mat-his/stairling_assessment 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded migrations_internals v2.2.1
[INFO] [stderr]   Downloaded diesel_derives v2.2.7
[INFO] [stderr]   Downloaded diesel v2.2.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6904c8739b96e59bd6a6b58bd16bc16fd3940cdfc0a9681e35f7afa77e5ac9b2
[INFO] running `Command { std: "docker" "start" "-a" "6904c8739b96e59bd6a6b58bd16bc16fd3940cdfc0a9681e35f7afa77e5ac9b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6904c8739b96e59bd6a6b58bd16bc16fd3940cdfc0a9681e35f7afa77e5ac9b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6904c8739b96e59bd6a6b58bd16bc16fd3940cdfc0a9681e35f7afa77e5ac9b2", kill_on_drop: false }`
[INFO] [stdout] 6904c8739b96e59bd6a6b58bd16bc16fd3940cdfc0a9681e35f7afa77e5ac9b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 503820b99b5fdc7876fc4d2e134f8892d854339fe99def4e90c43e047396e479
[INFO] running `Command { std: "docker" "start" "-a" "503820b99b5fdc7876fc4d2e134f8892d854339fe99def4e90c43e047396e479", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/containers/503820b99b5fdc7876fc4d2e134f8892d854339fe99def4e90c43e047396e479/mounts: no space left on device
[INFO] running `Command { std: "docker" "inspect" "503820b99b5fdc7876fc4d2e134f8892d854339fe99def4e90c43e047396e479", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "503820b99b5fdc7876fc4d2e134f8892d854339fe99def4e90c43e047396e479", kill_on_drop: false }`
[INFO] [stdout] 503820b99b5fdc7876fc4d2e134f8892d854339fe99def4e90c43e047396e479