[INFO] fetching crate coz 0.1.3...
[INFO] testing coz-0.1.3 against 1.55.0 for beta-1.56-1
[INFO] extracting crate coz 0.1.3 into /workspace/builds/worker-108/source
[INFO] validating manifest of crates.io crate coz 0.1.3 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 coz 0.1.3
[INFO] finished tweaking crates.io crate coz 0.1.3
[INFO] tweaked toml for crates.io crate coz 0.1.3 written to /workspace/builds/worker-108/source/Cargo.toml
[INFO] crate crates.io crate coz 0.1.3 already has a lockfile, it will not be regenerated
[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-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] 23b7529d28583507514997ea6931992dea4880d9ff7c1ad81de11a9e39cc3f2c
[INFO] running `Command { std: "docker" "start" "-a" "23b7529d28583507514997ea6931992dea4880d9ff7c1ad81de11a9e39cc3f2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23b7529d28583507514997ea6931992dea4880d9ff7c1ad81de11a9e39cc3f2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23b7529d28583507514997ea6931992dea4880d9ff7c1ad81de11a9e39cc3f2c", kill_on_drop: false }`
[INFO] [stdout] 23b7529d28583507514997ea6931992dea4880d9ff7c1ad81de11a9e39cc3f2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] 5f83945c1e87d334dee86814065f8abac119f18c51def0ef29b3cfc0d29b83e9
[INFO] running `Command { std: "docker" "start" "-a" "5f83945c1e87d334dee86814065f8abac119f18c51def0ef29b3cfc0d29b83e9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling once_cell v1.3.1
[INFO] [stderr]    Compiling coz v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.15s
[INFO] running `Command { std: "docker" "inspect" "5f83945c1e87d334dee86814065f8abac119f18c51def0ef29b3cfc0d29b83e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f83945c1e87d334dee86814065f8abac119f18c51def0ef29b3cfc0d29b83e9", kill_on_drop: false }`
[INFO] [stdout] 5f83945c1e87d334dee86814065f8abac119f18c51def0ef29b3cfc0d29b83e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] cac9ba198d0b23698f361f4b187a24be67c4f3e160424d6c8bb3a3bb5703e2ca
[INFO] running `Command { std: "docker" "start" "-a" "cac9ba198d0b23698f361f4b187a24be67c4f3e160424d6c8bb3a3bb5703e2ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling coz v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `Command { std: "docker" "inspect" "cac9ba198d0b23698f361f4b187a24be67c4f3e160424d6c8bb3a3bb5703e2ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cac9ba198d0b23698f361f4b187a24be67c4f3e160424d6c8bb3a3bb5703e2ca", kill_on_drop: false }`
[INFO] [stdout] cac9ba198d0b23698f361f4b187a24be67c4f3e160424d6c8bb3a3bb5703e2ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] 9e5ea926e8cb694483de82986427f37cc0e5a9f3ee59a6ffc5ce67f99ac90778
[INFO] running `Command { std: "docker" "start" "-a" "9e5ea926e8cb694483de82986427f37cc0e5a9f3ee59a6ffc5ce67f99ac90778", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/coz-15932097e62821fc)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/smoke.rs (/opt/rustwide/target/debug/deps/smoke-f1d929247bdecfef)
[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 2 tests
[INFO] [stderr]    Doc-tests coz
[INFO] [stdout] test smoke ... ok
[INFO] [stdout] test smoke_scoped ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - end (line 66) ... ok
[INFO] [stdout] test src/lib.rs - scope (line 86) ... ok
[INFO] [stdout] test src/lib.rs - progress (line 31) ... ok
[INFO] [stdout] test src/lib.rs - progress (line 25) ... ok
[INFO] [stdout] test src/lib.rs - begin (line 51) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.32s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9e5ea926e8cb694483de82986427f37cc0e5a9f3ee59a6ffc5ce67f99ac90778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e5ea926e8cb694483de82986427f37cc0e5a9f3ee59a6ffc5ce67f99ac90778", kill_on_drop: false }`
[INFO] [stdout] 9e5ea926e8cb694483de82986427f37cc0e5a9f3ee59a6ffc5ce67f99ac90778