[INFO] fetching crate flaken 0.2.2...
[INFO] testing flaken-0.2.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate flaken 0.2.2 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate flaken 0.2.2 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 flaken 0.2.2
[INFO] finished tweaking crates.io crate flaken 0.2.2
[INFO] tweaked toml for crates.io crate flaken 0.2.2 written to /workspace/builds/worker-22/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] aabdfe37f4698a125ff6fdc2c442e899519aa48bce2650c06d00904f9a28261b
[INFO] running `Command { std: "docker" "start" "-a" "aabdfe37f4698a125ff6fdc2c442e899519aa48bce2650c06d00904f9a28261b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aabdfe37f4698a125ff6fdc2c442e899519aa48bce2650c06d00904f9a28261b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aabdfe37f4698a125ff6fdc2c442e899519aa48bce2650c06d00904f9a28261b", kill_on_drop: false }`
[INFO] [stdout] aabdfe37f4698a125ff6fdc2c442e899519aa48bce2650c06d00904f9a28261b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 9fedee392390bb00978f93e004b6988b34348b1f1cf06e1141b6eb05ae06628b
[INFO] running `Command { std: "docker" "start" "-a" "9fedee392390bb00978f93e004b6988b34348b1f1cf06e1141b6eb05ae06628b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling flaken v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "9fedee392390bb00978f93e004b6988b34348b1f1cf06e1141b6eb05ae06628b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fedee392390bb00978f93e004b6988b34348b1f1cf06e1141b6eb05ae06628b", kill_on_drop: false }`
[INFO] [stdout] 9fedee392390bb00978f93e004b6988b34348b1f1cf06e1141b6eb05ae06628b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 31658311509a3e9b64791c21836e1acf2690f7895b0291c7048c9b8023b23fef
[INFO] running `Command { std: "docker" "start" "-a" "31658311509a3e9b64791c21836e1acf2690f7895b0291c7048c9b8023b23fef", kill_on_drop: false }`
[INFO] [stderr]    Compiling flaken v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "31658311509a3e9b64791c21836e1acf2690f7895b0291c7048c9b8023b23fef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31658311509a3e9b64791c21836e1acf2690f7895b0291c7048c9b8023b23fef", kill_on_drop: false }`
[INFO] [stdout] 31658311509a3e9b64791c21836e1acf2690f7895b0291c7048c9b8023b23fef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 84dcfea7dad067b21cf521b6b4679be8c2d562d101925badfd448c0c7522b9f4
[INFO] running `Command { std: "docker" "start" "-a" "84dcfea7dad067b21cf521b6b4679be8c2d562d101925badfd448c0c7522b9f4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/flaken-60979327f28ee535)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_bitmask ... ok
[INFO] [stdout] test test_encode_decode ... ok
[INFO] [stderr]    Doc-tests flaken
[INFO] [stdout] test test_next ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 26) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.72s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "84dcfea7dad067b21cf521b6b4679be8c2d562d101925badfd448c0c7522b9f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84dcfea7dad067b21cf521b6b4679be8c2d562d101925badfd448c0c7522b9f4", kill_on_drop: false }`
[INFO] [stdout] 84dcfea7dad067b21cf521b6b4679be8c2d562d101925badfd448c0c7522b9f4