[INFO] fetching crate keiro 0.0.2...
[INFO] testing keiro-0.0.2 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate keiro 0.0.2 into /workspace/builds/worker-17/source
[INFO] validating manifest of crates.io crate keiro 0.0.2 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 keiro 0.0.2
[INFO] finished tweaking crates.io crate keiro 0.0.2
[INFO] tweaked toml for crates.io crate keiro 0.0.2 written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] crate crates.io crate keiro 0.0.2 already has a lockfile, it will not be regenerated
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sharded-slab v0.1.1
[INFO] [stderr]   Downloaded iri-string v0.3.0
[INFO] [stderr]   Downloaded tower-http v0.1.0
[INFO] [stderr]   Downloaded async-compression v0.3.8
[INFO] [stderr]   Downloaded alloc-no-stdlib v2.0.1
[INFO] [stderr]   Downloaded route-recognizer v0.3.0
[INFO] [stderr]   Downloaded futures-util v0.3.13
[INFO] [stderr]   Downloaded futures-core v0.3.13
[INFO] [stderr]   Downloaded tower v0.4.8
[INFO] [stderr]   Downloaded tokio-util v0.6.4
[INFO] [stderr]   Downloaded futures-sink v0.3.13
[INFO] [stderr]   Downloaded futures-channel v0.3.13
[INFO] [stderr]   Downloaded h2 v0.3.1
[INFO] [stderr]   Downloaded brotli-decompressor v2.3.1
[INFO] [stderr]   Downloaded futures-macro v0.3.13
[INFO] [stderr]   Downloaded mio v0.7.9
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.18
[INFO] [stderr]   Downloaded alloc-stdlib v0.2.1
[INFO] [stderr]   Downloaded futures-task v0.3.13
[INFO] [stderr]   Downloaded tokio v1.3.0
[INFO] [stderr]   Downloaded hdrhistogram v6.3.4
[INFO] [stderr]   Downloaded libc v0.2.88
[INFO] [stderr]   Downloaded brotli v3.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 1bf46e35c225ee590cd0d6d18642db70bcc33cf3c7b50e736bc41e7fc1a2c8b8
[INFO] running `Command { std: "docker" "start" "-a" "1bf46e35c225ee590cd0d6d18642db70bcc33cf3c7b50e736bc41e7fc1a2c8b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bf46e35c225ee590cd0d6d18642db70bcc33cf3c7b50e736bc41e7fc1a2c8b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bf46e35c225ee590cd0d6d18642db70bcc33cf3c7b50e736bc41e7fc1a2c8b8", kill_on_drop: false }`
[INFO] [stdout] 1bf46e35c225ee590cd0d6d18642db70bcc33cf3c7b50e736bc41e7fc1a2c8b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] baf29ffce7547b8d1c924ba1fb31214022c982bb304c8d9bce0adb5c5ea30621
[INFO] running `Command { std: "docker" "start" "-a" "baf29ffce7547b8d1c924ba1fb31214022c982bb304c8d9bce0adb5c5ea30621", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling futures-core v0.3.13
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]    Compiling futures-task v0.3.13
[INFO] [stderr]    Compiling futures-sink v0.3.13
[INFO] [stderr]    Compiling httpdate v0.3.2
[INFO] [stderr]    Compiling route-recognizer v0.3.0
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling tokio v1.3.0
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling futures-channel v0.3.13
[INFO] [stderr]    Compiling http v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.7.9
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling http-body v0.4.2
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling futures-util v0.3.13
[INFO] [stderr]    Compiling tracing v0.1.25
[INFO] [stderr]    Compiling pin-project v1.0.5
[INFO] [stderr]    Compiling tokio-util v0.6.4
[INFO] [stderr]    Compiling h2 v0.3.1
[INFO] [stderr]    Compiling hyper v0.14.4
[INFO] [stderr]    Compiling keiro v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.58s
[INFO] running `Command { std: "docker" "inspect" "baf29ffce7547b8d1c924ba1fb31214022c982bb304c8d9bce0adb5c5ea30621", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baf29ffce7547b8d1c924ba1fb31214022c982bb304c8d9bce0adb5c5ea30621", kill_on_drop: false }`
[INFO] [stdout] baf29ffce7547b8d1c924ba1fb31214022c982bb304c8d9bce0adb5c5ea30621
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] d9312fae12f52c227941efb3ce2b5236509806b7ca79075d04cfbc4b4ff1d4d4
[INFO] running `Command { std: "docker" "start" "-a" "d9312fae12f52c227941efb3ce2b5236509806b7ca79075d04cfbc4b4ff1d4d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling tower-layer v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling sharded-slab v0.1.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling tokio-stream v0.1.6
[INFO] [stderr]    Compiling alloc-stdlib v0.2.1
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling brotli-decompressor v2.3.1
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling brotli v3.3.0
[INFO] [stderr]    Compiling hdrhistogram v6.3.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling tower v0.4.8
[INFO] [stderr]    Compiling async-compression v0.3.8
[INFO] [stderr]    Compiling tracing-serde v0.1.2
[INFO] [stderr]    Compiling iri-string v0.3.0
[INFO] [stderr]    Compiling tracing-subscriber v0.2.18
[INFO] [stderr]    Compiling tower-http v0.1.0
[INFO] [stderr]    Compiling keiro v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 17.42s
[INFO] running `Command { std: "docker" "inspect" "d9312fae12f52c227941efb3ce2b5236509806b7ca79075d04cfbc4b4ff1d4d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9312fae12f52c227941efb3ce2b5236509806b7ca79075d04cfbc4b4ff1d4d4", kill_on_drop: false }`
[INFO] [stdout] d9312fae12f52c227941efb3ce2b5236509806b7ca79075d04cfbc4b4ff1d4d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 9915d6a738670ad22ca0db0a042b66a768ff19ff7be1bb3984e9c2e0335d73c6
[INFO] running `Command { std: "docker" "start" "-a" "9915d6a738670ad22ca0db0a042b66a768ff19ff7be1bb3984e9c2e0335d73c6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/keiro-9adb1f1b97350cc7)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests keiro
[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 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] running `Command { std: "docker" "inspect" "9915d6a738670ad22ca0db0a042b66a768ff19ff7be1bb3984e9c2e0335d73c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9915d6a738670ad22ca0db0a042b66a768ff19ff7be1bb3984e9c2e0335d73c6", kill_on_drop: false }`
[INFO] [stdout] 9915d6a738670ad22ca0db0a042b66a768ff19ff7be1bb3984e9c2e0335d73c6