[INFO] cloning repository https://github.com/winksaville/exper_dynamic_crossbeam_channel_select
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/winksaville/exper_dynamic_crossbeam_channel_select" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwinksaville%2Fexper_dynamic_crossbeam_channel_select", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwinksaville%2Fexper_dynamic_crossbeam_channel_select'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 03bbf7acdb59f73610f192e5ccc1381d4b22b2bd
[INFO] checking winksaville/exper_dynamic_crossbeam_channel_select against try#fa4dd1f19bfeb3fd235dc7f1406c42404436bef5 for pr-145108-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwinksaville%2Fexper_dynamic_crossbeam_channel_select" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/winksaville/exper_dynamic_crossbeam_channel_select
[INFO] finished tweaking git repo https://github.com/winksaville/exper_dynamic_crossbeam_channel_select
[INFO] tweaked toml for git repo https://github.com/winksaville/exper_dynamic_crossbeam_channel_select written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/winksaville/exper_dynamic_crossbeam_channel_select on toolchain fa4dd1f19bfeb3fd235dc7f1406c42404436bef5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fa4dd1f19bfeb3fd235dc7f1406c42404436bef5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/winksaville/exper_dynamic_crossbeam_channel_select 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" "+fa4dd1f19bfeb3fd235dc7f1406c42404436bef5" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking winksaville/exper_dynamic_crossbeam_channel_select against try#fa4dd1f19bfeb3fd235dc7f1406c42404436bef5 for pr-145108-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwinksaville%2Fexper_dynamic_crossbeam_channel_select" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/winksaville/exper_dynamic_crossbeam_channel_select
[INFO] finished tweaking git repo https://github.com/winksaville/exper_dynamic_crossbeam_channel_select
[INFO] tweaked toml for git repo https://github.com/winksaville/exper_dynamic_crossbeam_channel_select written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/winksaville/exper_dynamic_crossbeam_channel_select on toolchain fa4dd1f19bfeb3fd235dc7f1406c42404436bef5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fa4dd1f19bfeb3fd235dc7f1406c42404436bef5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/winksaville/exper_dynamic_crossbeam_channel_select 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" "+fa4dd1f19bfeb3fd235dc7f1406c42404436bef5" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+fa4dd1f19bfeb3fd235dc7f1406c42404436bef5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b911717d2520a4dfa4ef4d3d795affee65f69b9a01216ae76290c427d3aaef8
[INFO] running `Command { std: "docker" "start" "-a" "6b911717d2520a4dfa4ef4d3d795affee65f69b9a01216ae76290c427d3aaef8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b911717d2520a4dfa4ef4d3d795affee65f69b9a01216ae76290c427d3aaef8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b911717d2520a4dfa4ef4d3d795affee65f69b9a01216ae76290c427d3aaef8", kill_on_drop: false }`
[INFO] [stdout] 6b911717d2520a4dfa4ef4d3d795affee65f69b9a01216ae76290c427d3aaef8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+fa4dd1f19bfeb3fd235dc7f1406c42404436bef5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7d5bc59f5b96669ec7d7e5e660b1ab0fab7ea10d9dc49216a05a076ae124fd6
[INFO] running `Command { std: "docker" "start" "-a" "d7d5bc59f5b96669ec7d7e5e660b1ab0fab7ea10d9dc49216a05a076ae124fd6", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking exper_dynamic_crossbeam_channel_select v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "d7d5bc59f5b96669ec7d7e5e660b1ab0fab7ea10d9dc49216a05a076ae124fd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7d5bc59f5b96669ec7d7e5e660b1ab0fab7ea10d9dc49216a05a076ae124fd6", kill_on_drop: false }`
[INFO] [stdout] d7d5bc59f5b96669ec7d7e5e660b1ab0fab7ea10d9dc49216a05a076ae124fd6
