[INFO] fetching crate shutdown_hooks 0.1.0...
[INFO] testing shutdown_hooks-0.1.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate shutdown_hooks 0.1.0 into /workspace/builds/worker-87/source
[INFO] validating manifest of crates.io crate shutdown_hooks 0.1.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate shutdown_hooks 0.1.0
[INFO] finished tweaking crates.io crate shutdown_hooks 0.1.0
[INFO] tweaked toml for crates.io crate shutdown_hooks 0.1.0 written to /workspace/builds/worker-87/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c4e9fedc0886ec1824a58e7ca5c516bcd687b70a259d800e96058b0c1ac925f
[INFO] running `Command { std: "docker" "start" "-a" "7c4e9fedc0886ec1824a58e7ca5c516bcd687b70a259d800e96058b0c1ac925f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c4e9fedc0886ec1824a58e7ca5c516bcd687b70a259d800e96058b0c1ac925f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c4e9fedc0886ec1824a58e7ca5c516bcd687b70a259d800e96058b0c1ac925f", kill_on_drop: false }`
[INFO] [stdout] 7c4e9fedc0886ec1824a58e7ca5c516bcd687b70a259d800e96058b0c1ac925f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51be91caf6a7c4bd744b388dc619bd45d7e6d79a10074a5564e92a8ac04dce4f
[INFO] running `Command { std: "docker" "start" "-a" "51be91caf6a7c4bd744b388dc619bd45d7e6d79a10074a5564e92a8ac04dce4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling shutdown_hooks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "51be91caf6a7c4bd744b388dc619bd45d7e6d79a10074a5564e92a8ac04dce4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51be91caf6a7c4bd744b388dc619bd45d7e6d79a10074a5564e92a8ac04dce4f", kill_on_drop: false }`
[INFO] [stdout] 51be91caf6a7c4bd744b388dc619bd45d7e6d79a10074a5564e92a8ac04dce4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1585d818c512fcd56ed7f82f66bd7adc694f75901b2256a53024e463dff1c4b8
[INFO] running `Command { std: "docker" "start" "-a" "1585d818c512fcd56ed7f82f66bd7adc694f75901b2256a53024e463dff1c4b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling shutdown_hooks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "1585d818c512fcd56ed7f82f66bd7adc694f75901b2256a53024e463dff1c4b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1585d818c512fcd56ed7f82f66bd7adc694f75901b2256a53024e463dff1c4b8", kill_on_drop: false }`
[INFO] [stdout] 1585d818c512fcd56ed7f82f66bd7adc694f75901b2256a53024e463dff1c4b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dd3d05e26eaea967108c44a21963cc2bc094bf0e3e9e9b1600cac0a82629e9f3
[INFO] running `Command { std: "docker" "start" "-a" "dd3d05e26eaea967108c44a21963cc2bc094bf0e3e9e9b1600cac0a82629e9f3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/shutdown_hooks-e1c1f382c90100d0)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_add_shutdown_hook_should_work ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests shutdown_hooks
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dd3d05e26eaea967108c44a21963cc2bc094bf0e3e9e9b1600cac0a82629e9f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd3d05e26eaea967108c44a21963cc2bc094bf0e3e9e9b1600cac0a82629e9f3", kill_on_drop: false }`
[INFO] [stdout] dd3d05e26eaea967108c44a21963cc2bc094bf0e3e9e9b1600cac0a82629e9f3