[INFO] fetching crate fs-swap 0.2.6...
[INFO] testing fs-swap-0.2.6 against try#1b74e096b9bfb06f84a3007193dcd2f059cbdf6a for pr-96025
[INFO] extracting crate fs-swap 0.2.6 into /workspace/builds/worker-56/source
[INFO] validating manifest of crates.io crate fs-swap 0.2.6 on toolchain 1b74e096b9bfb06f84a3007193dcd2f059cbdf6a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fs-swap 0.2.6
[INFO] finished tweaking crates.io crate fs-swap 0.2.6
[INFO] tweaked toml for crates.io crate fs-swap 0.2.6 written to /workspace/builds/worker-56/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "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" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b026257a589cde9910d79125af9130d8753bb79a3bf6cb8ae5f257c2a77afeed
[INFO] running `Command { std: "docker" "start" "-a" "b026257a589cde9910d79125af9130d8753bb79a3bf6cb8ae5f257c2a77afeed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b026257a589cde9910d79125af9130d8753bb79a3bf6cb8ae5f257c2a77afeed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b026257a589cde9910d79125af9130d8753bb79a3bf6cb8ae5f257c2a77afeed", kill_on_drop: false }`
[INFO] [stdout] b026257a589cde9910d79125af9130d8753bb79a3bf6cb8ae5f257c2a77afeed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11216b5cc625e28992375aabed6f530cf1d3e251868bb01bbeecb56f9195d0f0
[INFO] running `Command { std: "docker" "start" "-a" "11216b5cc625e28992375aabed6f530cf1d3e251868bb01bbeecb56f9195d0f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling fs-swap v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.21s
[INFO] running `Command { std: "docker" "inspect" "11216b5cc625e28992375aabed6f530cf1d3e251868bb01bbeecb56f9195d0f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11216b5cc625e28992375aabed6f530cf1d3e251868bb01bbeecb56f9195d0f0", kill_on_drop: false }`
[INFO] [stdout] 11216b5cc625e28992375aabed6f530cf1d3e251868bb01bbeecb56f9195d0f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1b74e096b9bfb06f84a3007193dcd2f059cbdf6a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0a96310bbec43c1b770eed0dd7cc78bf942305382bcb7b40b1fbac1b7865ea6
[INFO] running `Command { std: "docker" "start" "-a" "c0a96310bbec43c1b770eed0dd7cc78bf942305382bcb7b40b1fbac1b7865ea6", kill_on_drop: false }`
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling fs-swap v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.72s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/fs_swap-9fdf6351d5fc97ce)
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "c0a96310bbec43c1b770eed0dd7cc78bf942305382bcb7b40b1fbac1b7865ea6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0a96310bbec43c1b770eed0dd7cc78bf942305382bcb7b40b1fbac1b7865ea6", kill_on_drop: false }`
[INFO] [stdout] c0a96310bbec43c1b770eed0dd7cc78bf942305382bcb7b40b1fbac1b7865ea6