[INFO] cloning repository https://github.com/pizzamig/breathe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pizzamig/breathe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpizzamig%2Fbreathe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpizzamig%2Fbreathe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 859b46df98dfe94cdc829022b601c7aa58d83f9a
[INFO] building pizzamig/breathe against master#87788097b776f8e3662f76627944230684b671bd for pr-101591
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpizzamig%2Fbreathe" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pizzamig/breathe on toolchain 87788097b776f8e3662f76627944230684b671bd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+87788097b776f8e3662f76627944230684b671bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pizzamig/breathe
[INFO] finished tweaking git repo https://github.com/pizzamig/breathe
[INFO] tweaked toml for git repo https://github.com/pizzamig/breathe written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/pizzamig/breathe already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+87788097b776f8e3662f76627944230684b671bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strum_macros v0.23.0
[INFO] [stderr]   Downloaded structopt-flags v0.3.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+87788097b776f8e3662f76627944230684b671bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 059b9b21c06249364873fd6d94b392194b4eba8d6afebacaa84438c900e5a5c8
[INFO] running `Command { std: "docker" "start" "-a" "059b9b21c06249364873fd6d94b392194b4eba8d6afebacaa84438c900e5a5c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "059b9b21c06249364873fd6d94b392194b4eba8d6afebacaa84438c900e5a5c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "059b9b21c06249364873fd6d94b392194b4eba8d6afebacaa84438c900e5a5c8", kill_on_drop: false }`
[INFO] [stdout] 059b9b21c06249364873fd6d94b392194b4eba8d6afebacaa84438c900e5a5c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+87788097b776f8e3662f76627944230684b671bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4c5340a46c06fe88d85e74f176ad2ffc67004f421990e7de6b249812a4f38f9
[INFO] running `Command { std: "docker" "start" "-a" "e4c5340a46c06fe88d85e74f176ad2ffc67004f421990e7de6b249812a4f38f9", 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" "e4c5340a46c06fe88d85e74f176ad2ffc67004f421990e7de6b249812a4f38f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4c5340a46c06fe88d85e74f176ad2ffc67004f421990e7de6b249812a4f38f9", kill_on_drop: false }`
[INFO] [stdout] e4c5340a46c06fe88d85e74f176ad2ffc67004f421990e7de6b249812a4f38f9