[INFO] cloning repository https://github.com/samsieber/rubber-duck
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/samsieber/rubber-duck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamsieber%2Frubber-duck", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamsieber%2Frubber-duck'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7286a3f8dbe7783cd77fe53fbc7166fa522c94f8
[INFO] checking samsieber/rubber-duck against master#c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2 for pr-142712
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamsieber%2Frubber-duck" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/samsieber/rubber-duck
[INFO] finished tweaking git repo https://github.com/samsieber/rubber-duck
[INFO] tweaked toml for git repo https://github.com/samsieber/rubber-duck written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/samsieber/rubber-duck on toolchain c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/samsieber/rubber-duck 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" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b8ad01168d45149b8c352651affd43540abd810147ae3f0d40c02db8719b757
[INFO] running `Command { std: "docker" "start" "-a" "0b8ad01168d45149b8c352651affd43540abd810147ae3f0d40c02db8719b757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b8ad01168d45149b8c352651affd43540abd810147ae3f0d40c02db8719b757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b8ad01168d45149b8c352651affd43540abd810147ae3f0d40c02db8719b757", kill_on_drop: false }`
[INFO] [stdout] 0b8ad01168d45149b8c352651affd43540abd810147ae3f0d40c02db8719b757
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67b67eab94f1b22a838eae4ff0cc0fc844ef668f19dabb20c4a7d89d169a3682
[INFO] running `Command { std: "docker" "start" "-a" "67b67eab94f1b22a838eae4ff0cc0fc844ef668f19dabb20c4a7d89d169a3682", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking quote v0.6.10
[INFO] [stderr]     Checking syn v0.15.23
[INFO] [stdout] error: failed to write to `/opt/rustwide/target/debug/deps/rmetaVzFNFy/full.rmeta`: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `syn` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "67b67eab94f1b22a838eae4ff0cc0fc844ef668f19dabb20c4a7d89d169a3682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67b67eab94f1b22a838eae4ff0cc0fc844ef668f19dabb20c4a7d89d169a3682", kill_on_drop: false }`
[INFO] [stdout] 67b67eab94f1b22a838eae4ff0cc0fc844ef668f19dabb20c4a7d89d169a3682