[INFO] fetching crate pipers 1.0.1...
[INFO] building pipers-1.0.1 against master#c52b9c10bfb5164015eb977ff498e0597ae63eb1 for pr-97025
[INFO] extracting crate pipers 1.0.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate pipers 1.0.1 on toolchain c52b9c10bfb5164015eb977ff498e0597ae63eb1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c52b9c10bfb5164015eb977ff498e0597ae63eb1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pipers 1.0.1
[INFO] finished tweaking crates.io crate pipers 1.0.1
[INFO] tweaked toml for crates.io crate pipers 1.0.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c52b9c10bfb5164015eb977ff498e0597ae63eb1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c52b9c10bfb5164015eb977ff498e0597ae63eb1" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+c52b9c10bfb5164015eb977ff498e0597ae63eb1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e021d1a3b9b8490ee5d9d1ae3f1c22bd219e81f45df4f7415634068e53527e6
[INFO] running `Command { std: "docker" "start" "-a" "9e021d1a3b9b8490ee5d9d1ae3f1c22bd219e81f45df4f7415634068e53527e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e021d1a3b9b8490ee5d9d1ae3f1c22bd219e81f45df4f7415634068e53527e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e021d1a3b9b8490ee5d9d1ae3f1c22bd219e81f45df4f7415634068e53527e6", kill_on_drop: false }`
[INFO] [stdout] 9e021d1a3b9b8490ee5d9d1ae3f1c22bd219e81f45df4f7415634068e53527e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+c52b9c10bfb5164015eb977ff498e0597ae63eb1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55ea02e157a9dcd51a77d84519cf4b4c55850a77bea0d8e806157459462e0508
[INFO] running `Command { std: "docker" "start" "-a" "55ea02e157a9dcd51a77d84519cf4b4c55850a77bea0d8e806157459462e0508", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pipers v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "55ea02e157a9dcd51a77d84519cf4b4c55850a77bea0d8e806157459462e0508", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55ea02e157a9dcd51a77d84519cf4b4c55850a77bea0d8e806157459462e0508", kill_on_drop: false }`
[INFO] [stdout] 55ea02e157a9dcd51a77d84519cf4b4c55850a77bea0d8e806157459462e0508
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+c52b9c10bfb5164015eb977ff498e0597ae63eb1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f510ea4afeee1f77f3b8086031ab2bfc3d2a254867674cb2f3ddaaaece5d0a4
[INFO] running `Command { std: "docker" "start" "-a" "7f510ea4afeee1f77f3b8086031ab2bfc3d2a254867674cb2f3ddaaaece5d0a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling pipers v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/pipers-7ca395115d02fd52)
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "7f510ea4afeee1f77f3b8086031ab2bfc3d2a254867674cb2f3ddaaaece5d0a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f510ea4afeee1f77f3b8086031ab2bfc3d2a254867674cb2f3ddaaaece5d0a4", kill_on_drop: false }`
[INFO] [stdout] 7f510ea4afeee1f77f3b8086031ab2bfc3d2a254867674cb2f3ddaaaece5d0a4