[INFO] fetching crate stingray 0.1.0...
[INFO] checking stingray-0.1.0 against master#d3dd34a1d4a7e25a92a0d65994bb01a5d17c59ee for pr-127481-2
[INFO] extracting crate stingray 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate stingray 0.1.0 on toolchain d3dd34a1d4a7e25a92a0d65994bb01a5d17c59ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d3dd34a1d4a7e25a92a0d65994bb01a5d17c59ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stingray 0.1.0
[INFO] finished tweaking crates.io crate stingray 0.1.0
[INFO] tweaked toml for crates.io crate stingray 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate stingray 0.1.0 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" "+d3dd34a1d4a7e25a92a0d65994bb01a5d17c59ee" "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
[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 stingray-0.1.0 against try#3d1ad905b56a11961be37df7dc5e56be58204dd8 for pr-127481-2
[INFO] extracting crate stingray 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate stingray 0.1.0 on toolchain 3d1ad905b56a11961be37df7dc5e56be58204dd8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3d1ad905b56a11961be37df7dc5e56be58204dd8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stingray 0.1.0
[INFO] finished tweaking crates.io crate stingray 0.1.0
[INFO] tweaked toml for crates.io crate stingray 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate stingray 0.1.0 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" "+3d1ad905b56a11961be37df7dc5e56be58204dd8" "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 stingray-0.1.0 against try#3d1ad905b56a11961be37df7dc5e56be58204dd8 for pr-127481-2
[INFO] extracting crate stingray 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate stingray 0.1.0 on toolchain 3d1ad905b56a11961be37df7dc5e56be58204dd8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3d1ad905b56a11961be37df7dc5e56be58204dd8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stingray 0.1.0
[INFO] finished tweaking crates.io crate stingray 0.1.0
[INFO] tweaked toml for crates.io crate stingray 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate stingray 0.1.0 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" "+3d1ad905b56a11961be37df7dc5e56be58204dd8" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+3d1ad905b56a11961be37df7dc5e56be58204dd8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5437f2d6286fa712ac07477c58b4b48cf3e628b46008187baf21c320125dd735
[INFO] running `Command { std: "docker" "start" "-a" "5437f2d6286fa712ac07477c58b4b48cf3e628b46008187baf21c320125dd735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5437f2d6286fa712ac07477c58b4b48cf3e628b46008187baf21c320125dd735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5437f2d6286fa712ac07477c58b4b48cf3e628b46008187baf21c320125dd735", kill_on_drop: false }`
[INFO] [stdout] 5437f2d6286fa712ac07477c58b4b48cf3e628b46008187baf21c320125dd735
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+3d1ad905b56a11961be37df7dc5e56be58204dd8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 956573cafe15a39ff0a05d96b265ac904aadf1840ae15298171e26316d9218ca
[INFO] running `Command { std: "docker" "start" "-a" "956573cafe15a39ff0a05d96b265ac904aadf1840ae15298171e26316d9218ca", kill_on_drop: false }`
[INFO] [stderr]     Checking stingray v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "956573cafe15a39ff0a05d96b265ac904aadf1840ae15298171e26316d9218ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "956573cafe15a39ff0a05d96b265ac904aadf1840ae15298171e26316d9218ca", kill_on_drop: false }`
[INFO] [stdout] 956573cafe15a39ff0a05d96b265ac904aadf1840ae15298171e26316d9218ca