[INFO] cloning repository https://github.com/redradist/RustGC
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/redradist/RustGC" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredradist%2FRustGC", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredradist%2FRustGC'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3b4d0b9d212a6d5de1e2e30e16d04f5bcdd6bbfa
[INFO] checking redradist/RustGC against master#4457658f68b5c165cd76d24b8147a8f77b9f660e for pr-107620
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fredradist%2FRustGC" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/redradist/RustGC on toolchain 4457658f68b5c165cd76d24b8147a8f77b9f660e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4457658f68b5c165cd76d24b8147a8f77b9f660e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/redradist/RustGC
[INFO] finished tweaking git repo https://github.com/redradist/RustGC
[INFO] tweaked toml for git repo https://github.com/redradist/RustGC written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/redradist/RustGC 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" "+4457658f68b5c165cd76d24b8147a8f77b9f660e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.12
[INFO] [stderr]   Downloaded quote v1.0.4
[INFO] [stderr]   Downloaded syn v1.0.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+4457658f68b5c165cd76d24b8147a8f77b9f660e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 202a38a8af934065809ecbcd4996d9548f7755bd8f9d1cdfc2f6311601ae815d
[INFO] running `Command { std: "docker" "start" "-a" "202a38a8af934065809ecbcd4996d9548f7755bd8f9d1cdfc2f6311601ae815d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "202a38a8af934065809ecbcd4996d9548f7755bd8f9d1cdfc2f6311601ae815d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "202a38a8af934065809ecbcd4996d9548f7755bd8f9d1cdfc2f6311601ae815d", kill_on_drop: false }`
[INFO] [stdout] 202a38a8af934065809ecbcd4996d9548f7755bd8f9d1cdfc2f6311601ae815d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+4457658f68b5c165cd76d24b8147a8f77b9f660e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2043f5c018051ae598cd880ffe06ac6f271e49e32b2220dce80b73324897e99c
[INFO] running `Command { std: "docker" "start" "-a" "2043f5c018051ae598cd880ffe06ac6f271e49e32b2220dce80b73324897e99c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "2043f5c018051ae598cd880ffe06ac6f271e49e32b2220dce80b73324897e99c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2043f5c018051ae598cd880ffe06ac6f271e49e32b2220dce80b73324897e99c", kill_on_drop: false }`
[INFO] [stdout] 2043f5c018051ae598cd880ffe06ac6f271e49e32b2220dce80b73324897e99c