[INFO] fetching crate lemur 0.1.0...
[INFO] building lemur-0.1.0 against master#c52b9c10bfb5164015eb977ff498e0597ae63eb1 for pr-97025
[INFO] extracting crate lemur 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate lemur 0.1.0 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 lemur 0.1.0
[INFO] finished tweaking crates.io crate lemur 0.1.0
[INFO] tweaked toml for crates.io crate lemur 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate lemur 0.1.0 already has a lockfile, it will not be regenerated
[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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] ee8a9691b509e895e4fdaefb8d00d92a680fd945ec45924c1257b1d3782b586b
[INFO] running `Command { std: "docker" "start" "-a" "ee8a9691b509e895e4fdaefb8d00d92a680fd945ec45924c1257b1d3782b586b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee8a9691b509e895e4fdaefb8d00d92a680fd945ec45924c1257b1d3782b586b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee8a9691b509e895e4fdaefb8d00d92a680fd945ec45924c1257b1d3782b586b", kill_on_drop: false }`
[INFO] [stdout] ee8a9691b509e895e4fdaefb8d00d92a680fd945ec45924c1257b1d3782b586b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 0b85b1833730d4475c83b64eec61951752445e493d000631efc4ed8606c09652
[INFO] running `Command { std: "docker" "start" "-a" "0b85b1833730d4475c83b64eec61951752445e493d000631efc4ed8606c09652", kill_on_drop: false }`
[INFO] [stderr]    Compiling lemur v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "0b85b1833730d4475c83b64eec61951752445e493d000631efc4ed8606c09652", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b85b1833730d4475c83b64eec61951752445e493d000631efc4ed8606c09652", kill_on_drop: false }`
[INFO] [stdout] 0b85b1833730d4475c83b64eec61951752445e493d000631efc4ed8606c09652
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 0f1d0e59b4f15cb7d68c24b934b976e1165a05e108c61f8325ddb72259857dbd
[INFO] running `Command { std: "docker" "start" "-a" "0f1d0e59b4f15cb7d68c24b934b976e1165a05e108c61f8325ddb72259857dbd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lemur v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/lemur-7969ed2bbc60562d)
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "0f1d0e59b4f15cb7d68c24b934b976e1165a05e108c61f8325ddb72259857dbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f1d0e59b4f15cb7d68c24b934b976e1165a05e108c61f8325ddb72259857dbd", kill_on_drop: false }`
[INFO] [stdout] 0f1d0e59b4f15cb7d68c24b934b976e1165a05e108c61f8325ddb72259857dbd