[INFO] cloning repository https://github.com/xinster/traffic-light
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xinster/traffic-light" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxinster%2Ftraffic-light", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxinster%2Ftraffic-light'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b569a793ad405dc8e047cb96f7c9eea2ea4e82f8
[INFO] checking xinster/traffic-light against master#0ef0dd24510b52da980889546fcd15254dc56a23 for pr-126452
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxinster%2Ftraffic-light" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xinster/traffic-light on toolchain 0ef0dd24510b52da980889546fcd15254dc56a23
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0ef0dd24510b52da980889546fcd15254dc56a23" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xinster/traffic-light
[INFO] finished tweaking git repo https://github.com/xinster/traffic-light
[INFO] tweaked toml for git repo https://github.com/xinster/traffic-light written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/xinster/traffic-light 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" "+0ef0dd24510b52da980889546fcd15254dc56a23" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking xinster/traffic-light against try#d9cbfeb054d7bd02cf942e6d32c1c0a91f042ce9 for pr-126452
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxinster%2Ftraffic-light" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xinster/traffic-light on toolchain d9cbfeb054d7bd02cf942e6d32c1c0a91f042ce9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d9cbfeb054d7bd02cf942e6d32c1c0a91f042ce9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xinster/traffic-light
[INFO] finished tweaking git repo https://github.com/xinster/traffic-light
[INFO] tweaked toml for git repo https://github.com/xinster/traffic-light written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/xinster/traffic-light 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" "+d9cbfeb054d7bd02cf942e6d32c1c0a91f042ce9" "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 xinster/traffic-light against try#d9cbfeb054d7bd02cf942e6d32c1c0a91f042ce9 for pr-126452
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxinster%2Ftraffic-light" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xinster/traffic-light on toolchain d9cbfeb054d7bd02cf942e6d32c1c0a91f042ce9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d9cbfeb054d7bd02cf942e6d32c1c0a91f042ce9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xinster/traffic-light
[INFO] finished tweaking git repo https://github.com/xinster/traffic-light
[INFO] tweaked toml for git repo https://github.com/xinster/traffic-light written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/xinster/traffic-light 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" "+d9cbfeb054d7bd02cf942e6d32c1c0a91f042ce9" "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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+d9cbfeb054d7bd02cf942e6d32c1c0a91f042ce9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 797112f6373baa42393c9956dd2d38531d8a116691045e0ceb5585464008ab7e
[INFO] running `Command { std: "docker" "start" "-a" "797112f6373baa42393c9956dd2d38531d8a116691045e0ceb5585464008ab7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "797112f6373baa42393c9956dd2d38531d8a116691045e0ceb5585464008ab7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "797112f6373baa42393c9956dd2d38531d8a116691045e0ceb5585464008ab7e", kill_on_drop: false }`
[INFO] [stdout] 797112f6373baa42393c9956dd2d38531d8a116691045e0ceb5585464008ab7e
[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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+d9cbfeb054d7bd02cf942e6d32c1c0a91f042ce9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d229b215e7a53193953a1a8d1c42df43cb357dbe7b84d95b89d49c9814848752
[INFO] running `Command { std: "docker" "start" "-a" "d229b215e7a53193953a1a8d1c42df43cb357dbe7b84d95b89d49c9814848752", kill_on_drop: false }`
[INFO] [stderr]     Checking traffic-light v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "d229b215e7a53193953a1a8d1c42df43cb357dbe7b84d95b89d49c9814848752", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d229b215e7a53193953a1a8d1c42df43cb357dbe7b84d95b89d49c9814848752", kill_on_drop: false }`
[INFO] [stdout] d229b215e7a53193953a1a8d1c42df43cb357dbe7b84d95b89d49c9814848752