[INFO] cloning repository https://github.com/cwndrws/mdpreview
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cwndrws/mdpreview" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcwndrws%2Fmdpreview", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcwndrws%2Fmdpreview'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 47327630d1b2e484f2e9dff95a8bcdec7189df4d
[INFO] checking cwndrws/mdpreview against master#ab37a83ae2c829b8597bdcda8244964ebc60b495 for pr-99943
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcwndrws%2Fmdpreview" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cwndrws/mdpreview on toolchain ab37a83ae2c829b8597bdcda8244964ebc60b495
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ab37a83ae2c829b8597bdcda8244964ebc60b495" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cwndrws/mdpreview
[INFO] finished tweaking git repo https://github.com/cwndrws/mdpreview
[INFO] tweaked toml for git repo https://github.com/cwndrws/mdpreview written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/cwndrws/mdpreview already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ab37a83ae2c829b8597bdcda8244964ebc60b495" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded open v1.2.2
[INFO] [stderr]   Downloaded pulldown-cmark v0.0.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+ab37a83ae2c829b8597bdcda8244964ebc60b495" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dba8683577bcf626ed59caf9032a5704d98ee546a2dce86ae1824d69a0ba6dfe
[INFO] running `Command { std: "docker" "start" "-a" "dba8683577bcf626ed59caf9032a5704d98ee546a2dce86ae1824d69a0ba6dfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dba8683577bcf626ed59caf9032a5704d98ee546a2dce86ae1824d69a0ba6dfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dba8683577bcf626ed59caf9032a5704d98ee546a2dce86ae1824d69a0ba6dfe", kill_on_drop: false }`
[INFO] [stdout] dba8683577bcf626ed59caf9032a5704d98ee546a2dce86ae1824d69a0ba6dfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+ab37a83ae2c829b8597bdcda8244964ebc60b495" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91121c81ad954cca41629306f25d7fe7491862ec94ee1736a23b6a677d3a169e
[INFO] running `Command { std: "docker" "start" "-a" "91121c81ad954cca41629306f25d7fe7491862ec94ee1736a23b6a677d3a169e", 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" "91121c81ad954cca41629306f25d7fe7491862ec94ee1736a23b6a677d3a169e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91121c81ad954cca41629306f25d7fe7491862ec94ee1736a23b6a677d3a169e", kill_on_drop: false }`
[INFO] [stdout] 91121c81ad954cca41629306f25d7fe7491862ec94ee1736a23b6a677d3a169e