[INFO] fetching crate fse 0.1.0...
[INFO] testing fse-0.1.0 against try#c3758fdc4730d7700b25a13cccff296a08f42c00 for pr-91743
[INFO] extracting crate fse 0.1.0 into /workspace/builds/worker-77/source
[INFO] validating manifest of crates.io crate fse 0.1.0 on toolchain c3758fdc4730d7700b25a13cccff296a08f42c00
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fse 0.1.0
[INFO] finished tweaking crates.io crate fse 0.1.0
[INFO] tweaked toml for crates.io crate fse 0.1.0 written to /workspace/builds/worker-77/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "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" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "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-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f622373941788e94c44d0c6511e9f77318ce6897b77fa5f3194b93d2a1288376
[INFO] running `Command { std: "docker" "start" "-a" "f622373941788e94c44d0c6511e9f77318ce6897b77fa5f3194b93d2a1288376", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f622373941788e94c44d0c6511e9f77318ce6897b77fa5f3194b93d2a1288376", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f622373941788e94c44d0c6511e9f77318ce6897b77fa5f3194b93d2a1288376", kill_on_drop: false }`
[INFO] [stdout] f622373941788e94c44d0c6511e9f77318ce6897b77fa5f3194b93d2a1288376
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d97b254edfc99441f395da81ca2f327b223f5df0354bfb02ab8f8397ebf66e0
[INFO] running `Command { std: "docker" "start" "-a" "4d97b254edfc99441f395da81ca2f327b223f5df0354bfb02ab8f8397ebf66e0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fse v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "4d97b254edfc99441f395da81ca2f327b223f5df0354bfb02ab8f8397ebf66e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d97b254edfc99441f395da81ca2f327b223f5df0354bfb02ab8f8397ebf66e0", kill_on_drop: false }`
[INFO] [stdout] 4d97b254edfc99441f395da81ca2f327b223f5df0354bfb02ab8f8397ebf66e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "+c3758fdc4730d7700b25a13cccff296a08f42c00" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fcd2c7d32ca11d4fd3ca9fb97fcad87cfd253613ea35165dbe88d47652d3162c
[INFO] running `Command { std: "docker" "start" "-a" "fcd2c7d32ca11d4fd3ca9fb97fcad87cfd253613ea35165dbe88d47652d3162c", kill_on_drop: false }`
[INFO] [stderr]    Compiling fse v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/fse-5984ef3a9ae468bf)
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "fcd2c7d32ca11d4fd3ca9fb97fcad87cfd253613ea35165dbe88d47652d3162c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcd2c7d32ca11d4fd3ca9fb97fcad87cfd253613ea35165dbe88d47652d3162c", kill_on_drop: false }`
[INFO] [stdout] fcd2c7d32ca11d4fd3ca9fb97fcad87cfd253613ea35165dbe88d47652d3162c