[INFO] cloning repository https://github.com/slightlyfaulty/wctx
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/slightlyfaulty/wctx" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslightlyfaulty%2Fwctx", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslightlyfaulty%2Fwctx'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 45024bb5cea17c37b5471ebd681f546d5e6a3736
[INFO] checking slightlyfaulty/wctx against try#3c75d5844aa65b4aa19243ac44ceda49fe4e61ca for pr-143545
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslightlyfaulty%2Fwctx" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/slightlyfaulty/wctx
[INFO] finished tweaking git repo https://github.com/slightlyfaulty/wctx
[INFO] tweaked toml for git repo https://github.com/slightlyfaulty/wctx written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/slightlyfaulty/wctx on toolchain 3c75d5844aa65b4aa19243ac44ceda49fe4e61ca
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3c75d5844aa65b4aa19243ac44ceda49fe4e61ca" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/slightlyfaulty/wctx 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" "+3c75d5844aa65b4aa19243ac44ceda49fe4e61ca" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded colored_json v5.0.0
[INFO] [stderr]   Downloaded better-minify-js v0.7.0
[INFO] [stderr]   Downloaded parse-js v0.21.0
[INFO] [stderr]   Downloaded x11rb-async v0.13.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+3c75d5844aa65b4aa19243ac44ceda49fe4e61ca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc3d332e54efb043c71e6f479a5b16dee3871f731ef4b9261896f42c6d9520fe
[INFO] running `Command { std: "docker" "start" "-a" "cc3d332e54efb043c71e6f479a5b16dee3871f731ef4b9261896f42c6d9520fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc3d332e54efb043c71e6f479a5b16dee3871f731ef4b9261896f42c6d9520fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc3d332e54efb043c71e6f479a5b16dee3871f731ef4b9261896f42c6d9520fe", kill_on_drop: false }`
[INFO] [stdout] cc3d332e54efb043c71e6f479a5b16dee3871f731ef4b9261896f42c6d9520fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+3c75d5844aa65b4aa19243ac44ceda49fe4e61ca" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 725a061afd07af5cd51a4825a4212ac68ed861bacfb133692633745b91e5029f
[INFO] running `Command { std: "docker" "start" "-a" "725a061afd07af5cd51a4825a4212ac68ed861bacfb133692633745b91e5029f", kill_on_drop: false }`
[INFO] [stderr] error: failed to create directory `/opt/rustwide/target/debug/.fingerprint/wctx-c9fd9c4fd377ea8c`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "725a061afd07af5cd51a4825a4212ac68ed861bacfb133692633745b91e5029f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "725a061afd07af5cd51a4825a4212ac68ed861bacfb133692633745b91e5029f", kill_on_drop: false }`
[INFO] [stdout] 725a061afd07af5cd51a4825a4212ac68ed861bacfb133692633745b91e5029f