[INFO] cloning repository https://github.com/tyropro/monty-hall-problem
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tyropro/monty-hall-problem" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyropro%2Fmonty-hall-problem", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyropro%2Fmonty-hall-problem'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ee30f5e04f8b2bd14888631a0b6e949edcd13fa
[INFO] checking tyropro/monty-hall-problem against master#18a029cfe8e761533634bda8fe8a14e30280a21b for pr-139646
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftyropro%2Fmonty-hall-problem" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tyropro/monty-hall-problem on toolchain 18a029cfe8e761533634bda8fe8a14e30280a21b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18a029cfe8e761533634bda8fe8a14e30280a21b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tyropro/monty-hall-problem
[INFO] finished tweaking git repo https://github.com/tyropro/monty-hall-problem
[INFO] tweaked toml for git repo https://github.com/tyropro/monty-hall-problem written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tyropro/monty-hall-problem 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" "+18a029cfe8e761533634bda8fe8a14e30280a21b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+18a029cfe8e761533634bda8fe8a14e30280a21b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8093023bb99542a3cfecd8ed9e2fc78200844843789d0911a5c8bc9f9df0ae1d
[INFO] running `Command { std: "docker" "start" "-a" "8093023bb99542a3cfecd8ed9e2fc78200844843789d0911a5c8bc9f9df0ae1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8093023bb99542a3cfecd8ed9e2fc78200844843789d0911a5c8bc9f9df0ae1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8093023bb99542a3cfecd8ed9e2fc78200844843789d0911a5c8bc9f9df0ae1d", kill_on_drop: false }`
[INFO] [stdout] 8093023bb99542a3cfecd8ed9e2fc78200844843789d0911a5c8bc9f9df0ae1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+18a029cfe8e761533634bda8fe8a14e30280a21b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d25555ffab93e4fb8f6fc01ea2c52dbe3b581c9e34c7ee5608a810f9262d672
[INFO] running `Command { std: "docker" "start" "-a" "1d25555ffab93e4fb8f6fc01ea2c52dbe3b581c9e34c7ee5608a810f9262d672", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/0a67930d9750b7b600ee29777d9b0d41c8c875d7a98e667f039118bd0cd1f321/merged: no space left on device
[INFO] running `Command { std: "docker" "inspect" "1d25555ffab93e4fb8f6fc01ea2c52dbe3b581c9e34c7ee5608a810f9262d672", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d25555ffab93e4fb8f6fc01ea2c52dbe3b581c9e34c7ee5608a810f9262d672", kill_on_drop: false }`
[INFO] [stdout] 1d25555ffab93e4fb8f6fc01ea2c52dbe3b581c9e34c7ee5608a810f9262d672