[INFO] fetching crate supervisor 0.1.0...
[INFO] testing supervisor-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate supervisor 0.1.0 into /workspace/builds/worker-77/source
[INFO] validating manifest of crates.io crate supervisor 0.1.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate supervisor 0.1.0
[INFO] finished tweaking crates.io crate supervisor 0.1.0
[INFO] tweaked toml for crates.io crate supervisor 0.1.0 written to /workspace/builds/worker-77/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44cd4d60ede4284f7181190d11b90462fd6836826fc42ea2f6df291cca79b98e
[INFO] running `Command { std: "docker" "start" "-a" "44cd4d60ede4284f7181190d11b90462fd6836826fc42ea2f6df291cca79b98e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44cd4d60ede4284f7181190d11b90462fd6836826fc42ea2f6df291cca79b98e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44cd4d60ede4284f7181190d11b90462fd6836826fc42ea2f6df291cca79b98e", kill_on_drop: false }`
[INFO] [stdout] 44cd4d60ede4284f7181190d11b90462fd6836826fc42ea2f6df291cca79b98e
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d185a136a31c07f7de8f8de4c33c7db58dfbc0695a47365f2f63b37f60a91fb
[INFO] running `Command { std: "docker" "start" "-a" "1d185a136a31c07f7de8f8de4c33c7db58dfbc0695a47365f2f63b37f60a91fb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling supervisor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.12s
[INFO] running `Command { std: "docker" "inspect" "1d185a136a31c07f7de8f8de4c33c7db58dfbc0695a47365f2f63b37f60a91fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d185a136a31c07f7de8f8de4c33c7db58dfbc0695a47365f2f63b37f60a91fb", kill_on_drop: false }`
[INFO] [stdout] 1d185a136a31c07f7de8f8de4c33c7db58dfbc0695a47365f2f63b37f60a91fb
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ee153d4f19a69b4f1831387f47323204572acf5b799f9b08f7d489e4f4f233b
[INFO] running `Command { std: "docker" "start" "-a" "1ee153d4f19a69b4f1831387f47323204572acf5b799f9b08f7d489e4f4f233b", kill_on_drop: false }`
[INFO] [stderr]    Compiling supervisor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "1ee153d4f19a69b4f1831387f47323204572acf5b799f9b08f7d489e4f4f233b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ee153d4f19a69b4f1831387f47323204572acf5b799f9b08f7d489e4f4f233b", kill_on_drop: false }`
[INFO] [stdout] 1ee153d4f19a69b4f1831387f47323204572acf5b799f9b08f7d489e4f4f233b
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1ef0ec4530d7e9c3e8350b3f8316d6248fd4af20ff1acc7ee85a927a61186f91
[INFO] running `Command { std: "docker" "start" "-a" "1ef0ec4530d7e9c3e8350b3f8316d6248fd4af20ff1acc7ee85a927a61186f91", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/supervisor-d2c83b88320e1e52)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test supervise_spawn ... 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 supervisor
[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" "1ef0ec4530d7e9c3e8350b3f8316d6248fd4af20ff1acc7ee85a927a61186f91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ef0ec4530d7e9c3e8350b3f8316d6248fd4af20ff1acc7ee85a927a61186f91", kill_on_drop: false }`
[INFO] [stdout] 1ef0ec4530d7e9c3e8350b3f8316d6248fd4af20ff1acc7ee85a927a61186f91