[INFO] fetching crate rust-quiz 0.0.4...
[INFO] testing rust-quiz-0.0.4 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate rust-quiz 0.0.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rust-quiz 0.0.4 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 rust-quiz 0.0.4
[INFO] finished tweaking crates.io crate rust-quiz 0.0.4
[INFO] tweaked toml for crates.io crate rust-quiz 0.0.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate rust-quiz 0.0.4 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]  Downloading crates ...
[INFO] [stderr]   Downloaded signal-hook-registry v1.3.0
[INFO] [stderr]   Downloaded futures-io v0.3.8
[INFO] [stderr]   Downloaded futures-sink v0.3.8
[INFO] [stderr]   Downloaded bytes v1.0.0
[INFO] [stderr]   Downloaded readonly v0.2.0
[INFO] [stderr]   Downloaded parking_lot_core v0.8.2
[INFO] [stderr]   Downloaded async-stream-impl v0.3.0
[INFO] [stderr]   Downloaded async-stream v0.3.0
[INFO] [stderr]   Downloaded tracing-futures v0.2.4
[INFO] [stderr]   Downloaded indexmap v1.6.1
[INFO] [stderr]   Downloaded oqueue v0.1.2
[INFO] [stderr]   Downloaded futures-core v0.3.8
[INFO] [stderr]   Downloaded http v0.2.2
[INFO] [stderr]   Downloaded tokio-util v0.6.0
[INFO] [stderr]   Downloaded http-body v0.4.0
[INFO] [stderr]   Downloaded pin-project v1.0.2
[INFO] [stderr]   Downloaded futures v0.3.8
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[INFO] [stderr]   Downloaded const_fn v0.4.4
[INFO] [stderr]   Downloaded hyper v0.14.2
[INFO] [stderr]   Downloaded tokio-stream v0.1.0
[INFO] [stderr]   Downloaded futures-executor v0.3.8
[INFO] [stderr]   Downloaded hyper-staticfile v0.6.0
[INFO] [stderr]   Downloaded smallvec v1.6.0
[INFO] [stderr]   Downloaded futures-util v0.3.8
[INFO] [stderr]   Downloaded mio v0.7.7
[INFO] [stderr]   Downloaded tokio v1.0.1
[INFO] [stderr]   Downloaded remain v0.2.2
[INFO] [stderr]   Downloaded syn v1.0.56
[INFO] [stderr]   Downloaded pin-project-lite v0.2.0
[INFO] [stderr]   Downloaded libc v0.2.81
[INFO] [stderr]   Downloaded h2 v0.3.0
[INFO] [stderr]   Downloaded futures-macro v0.3.8
[INFO] [stderr]   Downloaded serde_json v1.0.61
[INFO] [stderr]   Downloaded tokio-macros v1.0.0
[INFO] [stderr]   Downloaded pin-project-internal v1.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] e00224482ab47d37e61cf43fa13b2a92485299afec738200db9e268f49ef6393
[INFO] running `Command { std: "docker" "start" "-a" "e00224482ab47d37e61cf43fa13b2a92485299afec738200db9e268f49ef6393", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e00224482ab47d37e61cf43fa13b2a92485299afec738200db9e268f49ef6393", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e00224482ab47d37e61cf43fa13b2a92485299afec738200db9e268f49ef6393", kill_on_drop: false }`
[INFO] [stdout] e00224482ab47d37e61cf43fa13b2a92485299afec738200db9e268f49ef6393
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] f6b550c34eb864c19bae0f9871aac3d04c644fb2addbbe7c068292000d8eed99
[INFO] running `Command { std: "docker" "start" "-a" "f6b550c34eb864c19bae0f9871aac3d04c644fb2addbbe7c068292000d8eed99", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling futures-core v0.3.8
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling pin-project-lite v0.2.0
[INFO] [stderr]    Compiling futures-sink v0.3.8
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling smallvec v1.6.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling bytes v1.0.0
[INFO] [stderr]    Compiling futures-io v0.3.8
[INFO] [stderr]    Compiling const_fn v0.4.4
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling tower-service v0.3.0
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling tokio v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling tinyvec v1.1.0
[INFO] [stderr]    Compiling form_urlencoded v1.0.0
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling futures-task v0.3.8
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling http v0.2.2
[INFO] [stderr]    Compiling tracing v0.1.22
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.16
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.2
[INFO] [stderr]    Compiling mio v0.7.7
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling url v2.2.0
[INFO] [stderr]    Compiling http-body v0.4.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.0
[INFO] [stderr]    Compiling readonly v0.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling remain v0.2.2
[INFO] [stderr]    Compiling async-stream v0.3.0
[INFO] [stderr]    Compiling oqueue v0.1.2
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling pin-project v0.4.27
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling pin-project v1.0.2
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling tokio-stream v0.1.0
[INFO] [stderr]    Compiling tokio-util v0.6.0
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling h2 v0.3.0
[INFO] [stderr]    Compiling hyper v0.14.2
[INFO] [stderr]    Compiling hyper-staticfile v0.6.0
[INFO] [stderr]    Compiling rust-quiz v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.08s
[INFO] running `Command { std: "docker" "inspect" "f6b550c34eb864c19bae0f9871aac3d04c644fb2addbbe7c068292000d8eed99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6b550c34eb864c19bae0f9871aac3d04c644fb2addbbe7c068292000d8eed99", kill_on_drop: false }`
[INFO] [stdout] f6b550c34eb864c19bae0f9871aac3d04c644fb2addbbe7c068292000d8eed99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 0d1359b0b22dcc527de89b4378e5fd0b3d2b213eaf2b934f43a510e6ee27c1b7
[INFO] running `Command { std: "docker" "start" "-a" "0d1359b0b22dcc527de89b4378e5fd0b3d2b213eaf2b934f43a510e6ee27c1b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-quiz v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "0d1359b0b22dcc527de89b4378e5fd0b3d2b213eaf2b934f43a510e6ee27c1b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d1359b0b22dcc527de89b4378e5fd0b3d2b213eaf2b934f43a510e6ee27c1b7", kill_on_drop: false }`
[INFO] [stdout] 0d1359b0b22dcc527de89b4378e5fd0b3d2b213eaf2b934f43a510e6ee27c1b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 661d7a54caba04fbe87827c7d0b57b60f7b176d63b6a7f134127488b48c83efc
[INFO] running `Command { std: "docker" "start" "-a" "661d7a54caba04fbe87827c7d0b57b60f7b176d63b6a7f134127488b48c83efc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_quiz-887a236b43165548)
[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" "661d7a54caba04fbe87827c7d0b57b60f7b176d63b6a7f134127488b48c83efc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "661d7a54caba04fbe87827c7d0b57b60f7b176d63b6a7f134127488b48c83efc", kill_on_drop: false }`
[INFO] [stdout] 661d7a54caba04fbe87827c7d0b57b60f7b176d63b6a7f134127488b48c83efc