[INFO] cloning repository https://github.com/crlf0710/ra_bug_repo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/crlf0710/ra_bug_repo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrlf0710%2Fra_bug_repo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrlf0710%2Fra_bug_repo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ea3bf3c385c2c4af4c4b38af223fd46e1b78a62f
[INFO] checking crlf0710/ra_bug_repo against master#8a497b7181cad4ae66dbd6cc31042b69b6bd0df7 for pr-102474
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcrlf0710%2Fra_bug_repo" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/crlf0710/ra_bug_repo on toolchain 8a497b7181cad4ae66dbd6cc31042b69b6bd0df7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8a497b7181cad4ae66dbd6cc31042b69b6bd0df7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/crlf0710/ra_bug_repo
[INFO] finished tweaking git repo https://github.com/crlf0710/ra_bug_repo
[INFO] tweaked toml for git repo https://github.com/crlf0710/ra_bug_repo written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/crlf0710/ra_bug_repo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8a497b7181cad4ae66dbd6cc31042b69b6bd0df7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded easy-ext v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+8a497b7181cad4ae66dbd6cc31042b69b6bd0df7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ef2e98c48db0c87dbde54ccd7ba44c95f1b665b285885442645c27ff6fca666
[INFO] running `Command { std: "docker" "start" "-a" "1ef2e98c48db0c87dbde54ccd7ba44c95f1b665b285885442645c27ff6fca666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ef2e98c48db0c87dbde54ccd7ba44c95f1b665b285885442645c27ff6fca666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ef2e98c48db0c87dbde54ccd7ba44c95f1b665b285885442645c27ff6fca666", kill_on_drop: false }`
[INFO] [stdout] 1ef2e98c48db0c87dbde54ccd7ba44c95f1b665b285885442645c27ff6fca666
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+8a497b7181cad4ae66dbd6cc31042b69b6bd0df7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fc7d88dcc45ff6e1157c526676a7911f25d695777a3547b67cca46fd665273a
[INFO] running `Command { std: "docker" "start" "-a" "5fc7d88dcc45ff6e1157c526676a7911f25d695777a3547b67cca46fd665273a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking quote v1.0.2
[INFO] [stderr]    Compiling easy-ext v0.1.6
[INFO] [stderr]     Checking autumn_macros v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.11s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "5fc7d88dcc45ff6e1157c526676a7911f25d695777a3547b67cca46fd665273a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fc7d88dcc45ff6e1157c526676a7911f25d695777a3547b67cca46fd665273a", kill_on_drop: false }`
[INFO] [stdout] 5fc7d88dcc45ff6e1157c526676a7911f25d695777a3547b67cca46fd665273a