[INFO] cloning repository https://github.com/whtoo/Echo_Demo_RUST
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/whtoo/Echo_Demo_RUST" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhtoo%2FEcho_Demo_RUST", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhtoo%2FEcho_Demo_RUST'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de4f6c1181580da4201cc5d89a0866a56e6c6807
[INFO] checking whtoo/Echo_Demo_RUST against master#4c5f6e6277b89e47d73a192078697f7a5f3dc0ac for pr-97086
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhtoo%2FEcho_Demo_RUST" "/workspace/builds/worker-40/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-40/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/whtoo/Echo_Demo_RUST on toolchain 4c5f6e6277b89e47d73a192078697f7a5f3dc0ac
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c5f6e6277b89e47d73a192078697f7a5f3dc0ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/whtoo/Echo_Demo_RUST
[INFO] finished tweaking git repo https://github.com/whtoo/Echo_Demo_RUST
[INFO] tweaked toml for git repo https://github.com/whtoo/Echo_Demo_RUST written to /workspace/builds/worker-40/source/Cargo.toml
[INFO] crate git repo https://github.com/whtoo/Echo_Demo_RUST already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c5f6e6277b89e47d73a192078697f7a5f3dc0ac" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c5f6e6277b89e47d73a192078697f7a5f3dc0ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9769a5ccbd7da3315ae0822a449da2fdd903b9355f597280ebe53627a8839e01
[INFO] running `Command { std: "docker" "start" "-a" "9769a5ccbd7da3315ae0822a449da2fdd903b9355f597280ebe53627a8839e01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9769a5ccbd7da3315ae0822a449da2fdd903b9355f597280ebe53627a8839e01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9769a5ccbd7da3315ae0822a449da2fdd903b9355f597280ebe53627a8839e01", kill_on_drop: false }`
[INFO] [stdout] 9769a5ccbd7da3315ae0822a449da2fdd903b9355f597280ebe53627a8839e01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c5f6e6277b89e47d73a192078697f7a5f3dc0ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b21169e68b68b3262dce24a68ca296f440115d5abb68297a5427195418566456
[INFO] running `Command { std: "docker" "start" "-a" "b21169e68b68b3262dce24a68ca296f440115d5abb68297a5427195418566456", 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" "b21169e68b68b3262dce24a68ca296f440115d5abb68297a5427195418566456", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b21169e68b68b3262dce24a68ca296f440115d5abb68297a5427195418566456", kill_on_drop: false }`
[INFO] [stdout] b21169e68b68b3262dce24a68ca296f440115d5abb68297a5427195418566456