[INFO] fetching crate thread-control 0.1.2...
[INFO] testing thread-control-0.1.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate thread-control 0.1.2 into /workspace/builds/worker-41/source
[INFO] validating manifest of crates.io crate thread-control 0.1.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate thread-control 0.1.2
[INFO] finished tweaking crates.io crate thread-control 0.1.2
[INFO] tweaked toml for crates.io crate thread-control 0.1.2 written to /workspace/builds/worker-41/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "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-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca4d957e5e1cbc4a5f3ac66030aae70f8a406d1966f0607ee30edf1f72d3a241
[INFO] running `Command { std: "docker" "start" "-a" "ca4d957e5e1cbc4a5f3ac66030aae70f8a406d1966f0607ee30edf1f72d3a241", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca4d957e5e1cbc4a5f3ac66030aae70f8a406d1966f0607ee30edf1f72d3a241", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca4d957e5e1cbc4a5f3ac66030aae70f8a406d1966f0607ee30edf1f72d3a241", kill_on_drop: false }`
[INFO] [stdout] ca4d957e5e1cbc4a5f3ac66030aae70f8a406d1966f0607ee30edf1f72d3a241
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21f8061fe1465e03eb08af97476200661effec0de62a98b283ffd303d4529061
[INFO] running `Command { std: "docker" "start" "-a" "21f8061fe1465e03eb08af97476200661effec0de62a98b283ffd303d4529061", kill_on_drop: false }`
[INFO] [stderr]    Compiling thread-control v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "21f8061fe1465e03eb08af97476200661effec0de62a98b283ffd303d4529061", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21f8061fe1465e03eb08af97476200661effec0de62a98b283ffd303d4529061", kill_on_drop: false }`
[INFO] [stdout] 21f8061fe1465e03eb08af97476200661effec0de62a98b283ffd303d4529061
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d920238035d0edb3d922fac3f2a1acb6d0dc1187bc9f883837cd197ca7b5dce
[INFO] running `Command { std: "docker" "start" "-a" "1d920238035d0edb3d922fac3f2a1acb6d0dc1187bc9f883837cd197ca7b5dce", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling thread-control v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.98s
[INFO] running `Command { std: "docker" "inspect" "1d920238035d0edb3d922fac3f2a1acb6d0dc1187bc9f883837cd197ca7b5dce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d920238035d0edb3d922fac3f2a1acb6d0dc1187bc9f883837cd197ca7b5dce", kill_on_drop: false }`
[INFO] [stdout] 1d920238035d0edb3d922fac3f2a1acb6d0dc1187bc9f883837cd197ca7b5dce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d12c30e69a7c367a14cd77788f1a160d1b5d196eb02b5d7475e2a699d4a99b40
[INFO] running `Command { std: "docker" "start" "-a" "d12c30e69a7c367a14cd77788f1a160d1b5d196eb02b5d7475e2a699d4a99b40", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/thread_control-fa741d7e490b4bdd)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests thread-control
[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] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] test src/lib.rs - (line 44) ... ok
[INFO] [stdout] test src/lib.rs - (line 25) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.56s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d12c30e69a7c367a14cd77788f1a160d1b5d196eb02b5d7475e2a699d4a99b40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d12c30e69a7c367a14cd77788f1a160d1b5d196eb02b5d7475e2a699d4a99b40", kill_on_drop: false }`
[INFO] [stdout] d12c30e69a7c367a14cd77788f1a160d1b5d196eb02b5d7475e2a699d4a99b40