[INFO] fetching crate snake_case 0.3.1...
[INFO] testing snake_case-0.3.1 against master#ebf0cf75d368c035f4c7e7246d203bd469ee4a51 for pr-137940
[INFO] extracting crate snake_case 0.3.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate snake_case 0.3.1 on toolchain ebf0cf75d368c035f4c7e7246d203bd469ee4a51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate snake_case 0.3.1
[INFO] finished tweaking crates.io crate snake_case 0.3.1
[INFO] tweaked toml for crates.io crate snake_case 0.3.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27abdf3e0dfdc85b945fa507fce511ce235c29566ef71527ed350432a41746bd
[INFO] running `Command { std: "docker" "start" "-a" "27abdf3e0dfdc85b945fa507fce511ce235c29566ef71527ed350432a41746bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27abdf3e0dfdc85b945fa507fce511ce235c29566ef71527ed350432a41746bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27abdf3e0dfdc85b945fa507fce511ce235c29566ef71527ed350432a41746bd", kill_on_drop: false }`
[INFO] [stdout] 27abdf3e0dfdc85b945fa507fce511ce235c29566ef71527ed350432a41746bd
[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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6dd07ceb98114856f10b1c051b189e5263a298d64bba965535cc1814cdd414de
[INFO] running `Command { std: "docker" "start" "-a" "6dd07ceb98114856f10b1c051b189e5263a298d64bba965535cc1814cdd414de", kill_on_drop: false }`
[INFO] [stderr]    Compiling snake_case v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/lib.rs:18:6
[INFO] [stdout]    |
[INFO] [stdout] 18 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "6dd07ceb98114856f10b1c051b189e5263a298d64bba965535cc1814cdd414de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dd07ceb98114856f10b1c051b189e5263a298d64bba965535cc1814cdd414de", kill_on_drop: false }`
[INFO] [stdout] 6dd07ceb98114856f10b1c051b189e5263a298d64bba965535cc1814cdd414de
[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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 844bbc794d5a4872a754f47a658b8199f41e817aa4ddb3ce1a0b532307011a3f
[INFO] running `Command { std: "docker" "start" "-a" "844bbc794d5a4872a754f47a658b8199f41e817aa4ddb3ce1a0b532307011a3f", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: failed to create task for container: failed to create shim task: OCI runtime create failed: runc create failed: unable to start container process: error during container init: error mounting "/var/lib/crater-agent-workspace/cargo-home" to rootfs at "/opt/rustwide/cargo-home": mkdir /var/lib/docker/overlay2/9220dd24f3b6a6591f830de3b1ffecd0d25dda5416cb1e3751c30705217f0f73/merged/opt/rustwide/cargo-home: no space left on device: unknown
[INFO] running `Command { std: "docker" "inspect" "844bbc794d5a4872a754f47a658b8199f41e817aa4ddb3ce1a0b532307011a3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "844bbc794d5a4872a754f47a658b8199f41e817aa4ddb3ce1a0b532307011a3f", kill_on_drop: false }`
[INFO] [stdout] 844bbc794d5a4872a754f47a658b8199f41e817aa4ddb3ce1a0b532307011a3f