[INFO] fetching crate split_preserve 0.1.0...
[INFO] building split_preserve-0.1.0 against master#461e8078010433ff7de2db2aaae8a3cfb0847215 for pr-94962
[INFO] extracting crate split_preserve 0.1.0 into /workspace/builds/worker-106/source
[INFO] validating manifest of crates.io crate split_preserve 0.1.0 on toolchain 461e8078010433ff7de2db2aaae8a3cfb0847215
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate split_preserve 0.1.0
[INFO] finished tweaking crates.io crate split_preserve 0.1.0
[INFO] tweaked toml for crates.io crate split_preserve 0.1.0 written to /workspace/builds/worker-106/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "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-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ccf3d6c8ede3d3b6dfbf13423b518690faee4e3005a884efd107c074fc347f1a
[INFO] running `Command { std: "docker" "start" "-a" "ccf3d6c8ede3d3b6dfbf13423b518690faee4e3005a884efd107c074fc347f1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccf3d6c8ede3d3b6dfbf13423b518690faee4e3005a884efd107c074fc347f1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccf3d6c8ede3d3b6dfbf13423b518690faee4e3005a884efd107c074fc347f1a", kill_on_drop: false }`
[INFO] [stdout] ccf3d6c8ede3d3b6dfbf13423b518690faee4e3005a884efd107c074fc347f1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 868a5fc0186d7bfdd31f5e2fb290a55ab2a2ed7a4117ea20b0d2473063b6a202
[INFO] running `Command { std: "docker" "start" "-a" "868a5fc0186d7bfdd31f5e2fb290a55ab2a2ed7a4117ea20b0d2473063b6a202", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling split_preserve v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.93s
[INFO] running `Command { std: "docker" "inspect" "868a5fc0186d7bfdd31f5e2fb290a55ab2a2ed7a4117ea20b0d2473063b6a202", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "868a5fc0186d7bfdd31f5e2fb290a55ab2a2ed7a4117ea20b0d2473063b6a202", kill_on_drop: false }`
[INFO] [stdout] 868a5fc0186d7bfdd31f5e2fb290a55ab2a2ed7a4117ea20b0d2473063b6a202
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e6eda9288f99656202057daedf111a649d9d4ebfb6fa72af582c8d469011c94
[INFO] running `Command { std: "docker" "start" "-a" "7e6eda9288f99656202057daedf111a649d9d4ebfb6fa72af582c8d469011c94", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling split_preserve v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.52s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/split_preserve-254094212c922b61)
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "7e6eda9288f99656202057daedf111a649d9d4ebfb6fa72af582c8d469011c94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e6eda9288f99656202057daedf111a649d9d4ebfb6fa72af582c8d469011c94", kill_on_drop: false }`
[INFO] [stdout] 7e6eda9288f99656202057daedf111a649d9d4ebfb6fa72af582c8d469011c94