[INFO] fetching crate coz 0.1.3...
[INFO] testing coz-0.1.3 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate coz 0.1.3 into /workspace/builds/worker-30/source
[INFO] validating manifest of crates.io crate coz 0.1.3 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-30/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" "+beta-2021-09-08" "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-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8ad1636763f7f75a0f919c40aeebad3711723ccd91bf3ec71ec1f7da727c3dd
[INFO] running `Command { std: "docker" "start" "-a" "e8ad1636763f7f75a0f919c40aeebad3711723ccd91bf3ec71ec1f7da727c3dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8ad1636763f7f75a0f919c40aeebad3711723ccd91bf3ec71ec1f7da727c3dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8ad1636763f7f75a0f919c40aeebad3711723ccd91bf3ec71ec1f7da727c3dd", kill_on_drop: false }`
[INFO] [stdout] e8ad1636763f7f75a0f919c40aeebad3711723ccd91bf3ec71ec1f7da727c3dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3686859eef149291b3572f86b463954a66c7555f4d57373eb7731b25851bb60
[INFO] running `Command { std: "docker" "start" "-a" "e3686859eef149291b3572f86b463954a66c7555f4d57373eb7731b25851bb60", 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 2.28s
[INFO] running `Command { std: "docker" "inspect" "e3686859eef149291b3572f86b463954a66c7555f4d57373eb7731b25851bb60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3686859eef149291b3572f86b463954a66c7555f4d57373eb7731b25851bb60", kill_on_drop: false }`
[INFO] [stdout] e3686859eef149291b3572f86b463954a66c7555f4d57373eb7731b25851bb60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 090d427e64eefc2ac1c5d795025c86075c49bc0309b29276894e43747a2c4123
[INFO] running `Command { std: "docker" "start" "-a" "090d427e64eefc2ac1c5d795025c86075c49bc0309b29276894e43747a2c4123", kill_on_drop: false }`
[INFO] [stderr]    Compiling coz v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `Command { std: "docker" "inspect" "090d427e64eefc2ac1c5d795025c86075c49bc0309b29276894e43747a2c4123", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "090d427e64eefc2ac1c5d795025c86075c49bc0309b29276894e43747a2c4123", kill_on_drop: false }`
[INFO] [stdout] 090d427e64eefc2ac1c5d795025c86075c49bc0309b29276894e43747a2c4123
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 800bb5c488f7c3e929bafc8a0c2f227cb6310301b997c6c10dc1aa7e52921e62
[INFO] running `Command { std: "docker" "start" "-a" "800bb5c488f7c3e929bafc8a0c2f227cb6310301b997c6c10dc1aa7e52921e62", 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-cd681202bd2d2cea)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/smoke.rs (/opt/rustwide/target/debug/deps/smoke-26969fcd0f9ab833)
[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] [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] [stderr]    Doc-tests coz
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - end (line 66) ... ok
[INFO] [stdout] test src/lib.rs - progress (line 31) ... ok
[INFO] [stdout] test src/lib.rs - scope (line 86) ... 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 0.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "800bb5c488f7c3e929bafc8a0c2f227cb6310301b997c6c10dc1aa7e52921e62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "800bb5c488f7c3e929bafc8a0c2f227cb6310301b997c6c10dc1aa7e52921e62", kill_on_drop: false }`
[INFO] [stdout] 800bb5c488f7c3e929bafc8a0c2f227cb6310301b997c6c10dc1aa7e52921e62