[INFO] fetching crate flaken 0.2.2...
[INFO] testing flaken-0.2.2 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate flaken 0.2.2 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate flaken 0.2.2 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-28/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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" "+beta-2022-02-22" "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-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d24719a5a7acb81558e5fdffb25848a55027780df54553c5ef7154fd04075123
[INFO] running `Command { std: "docker" "start" "-a" "d24719a5a7acb81558e5fdffb25848a55027780df54553c5ef7154fd04075123", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d24719a5a7acb81558e5fdffb25848a55027780df54553c5ef7154fd04075123", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d24719a5a7acb81558e5fdffb25848a55027780df54553c5ef7154fd04075123", kill_on_drop: false }`
[INFO] [stdout] d24719a5a7acb81558e5fdffb25848a55027780df54553c5ef7154fd04075123
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8be3e87aaee0c74488b8369bd2d4cd2a7f613c03bcfce27aed464ff331b9c30b
[INFO] running `Command { std: "docker" "start" "-a" "8be3e87aaee0c74488b8369bd2d4cd2a7f613c03bcfce27aed464ff331b9c30b", kill_on_drop: false }`
[INFO] [stderr]    Compiling flaken v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "8be3e87aaee0c74488b8369bd2d4cd2a7f613c03bcfce27aed464ff331b9c30b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8be3e87aaee0c74488b8369bd2d4cd2a7f613c03bcfce27aed464ff331b9c30b", kill_on_drop: false }`
[INFO] [stdout] 8be3e87aaee0c74488b8369bd2d4cd2a7f613c03bcfce27aed464ff331b9c30b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22e3efcd6433e3d48d84b717db6c8991f78986d1bc12e0ae5bda44419e94da43
[INFO] running `Command { std: "docker" "start" "-a" "22e3efcd6433e3d48d84b717db6c8991f78986d1bc12e0ae5bda44419e94da43", kill_on_drop: false }`
[INFO] [stderr]    Compiling flaken v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "22e3efcd6433e3d48d84b717db6c8991f78986d1bc12e0ae5bda44419e94da43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22e3efcd6433e3d48d84b717db6c8991f78986d1bc12e0ae5bda44419e94da43", kill_on_drop: false }`
[INFO] [stdout] 22e3efcd6433e3d48d84b717db6c8991f78986d1bc12e0ae5bda44419e94da43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e850b3d3589567a85831896597d4f4ff47d965d866ce80c6e68a11b47071a921
[INFO] running `Command { std: "docker" "start" "-a" "e850b3d3589567a85831896597d4f4ff47d965d866ce80c6e68a11b47071a921", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/flaken-28eb093b5166fbe8)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_encode_decode ... ok
[INFO] [stdout] test test_bitmask ... ok
[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 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests flaken
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] test src/lib.rs - (line 26) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.64s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e850b3d3589567a85831896597d4f4ff47d965d866ce80c6e68a11b47071a921", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e850b3d3589567a85831896597d4f4ff47d965d866ce80c6e68a11b47071a921", kill_on_drop: false }`
[INFO] [stdout] e850b3d3589567a85831896597d4f4ff47d965d866ce80c6e68a11b47071a921