[INFO] fetching crate brittle 0.1.1...
[INFO] testing brittle-0.1.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate brittle 0.1.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate brittle 0.1.1 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 brittle 0.1.1
[INFO] finished tweaking crates.io crate brittle 0.1.1
[INFO] tweaked toml for crates.io crate brittle 0.1.1 written to /workspace/builds/worker-8/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] 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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] e655d4cafa99a81b6145d3915a800678a12d1230272b5f0342b5fd8b8ae394e7
[INFO] running `Command { std: "docker" "start" "-a" "e655d4cafa99a81b6145d3915a800678a12d1230272b5f0342b5fd8b8ae394e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e655d4cafa99a81b6145d3915a800678a12d1230272b5f0342b5fd8b8ae394e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e655d4cafa99a81b6145d3915a800678a12d1230272b5f0342b5fd8b8ae394e7", kill_on_drop: false }`
[INFO] [stdout] e655d4cafa99a81b6145d3915a800678a12d1230272b5f0342b5fd8b8ae394e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] b92d059015d91178c560e3d70a01a804e110a134e01767de1c9e9ce9389ac700
[INFO] running `Command { std: "docker" "start" "-a" "b92d059015d91178c560e3d70a01a804e110a134e01767de1c9e9ce9389ac700", kill_on_drop: false }`
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling brittle v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.30s
[INFO] running `Command { std: "docker" "inspect" "b92d059015d91178c560e3d70a01a804e110a134e01767de1c9e9ce9389ac700", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b92d059015d91178c560e3d70a01a804e110a134e01767de1c9e9ce9389ac700", kill_on_drop: false }`
[INFO] [stdout] b92d059015d91178c560e3d70a01a804e110a134e01767de1c9e9ce9389ac700
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 1c1a0599932c1c87e6a5e2c605fd64f1c8c236d05a602f1a62e9b76d461d7147
[INFO] running `Command { std: "docker" "start" "-a" "1c1a0599932c1c87e6a5e2c605fd64f1c8c236d05a602f1a62e9b76d461d7147", kill_on_drop: false }`
[INFO] [stderr]    Compiling brittle v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "1c1a0599932c1c87e6a5e2c605fd64f1c8c236d05a602f1a62e9b76d461d7147", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c1a0599932c1c87e6a5e2c605fd64f1c8c236d05a602f1a62e9b76d461d7147", kill_on_drop: false }`
[INFO] [stdout] 1c1a0599932c1c87e6a5e2c605fd64f1c8c236d05a602f1a62e9b76d461d7147
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 30fb8b3ab9aa278462de456b1be1378122e54ff200d98d3861ec5153cf311f15
[INFO] running `Command { std: "docker" "start" "-a" "30fb8b3ab9aa278462de456b1be1378122e54ff200d98d3861ec5153cf311f15", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/brittle-1434c8b2d384e25d)
[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] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-e6acaa3461df455a)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test multiline_test ... ok
[INFO] [stdout] test cargo_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests brittle
[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" "30fb8b3ab9aa278462de456b1be1378122e54ff200d98d3861ec5153cf311f15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30fb8b3ab9aa278462de456b1be1378122e54ff200d98d3861ec5153cf311f15", kill_on_drop: false }`
[INFO] [stdout] 30fb8b3ab9aa278462de456b1be1378122e54ff200d98d3861ec5153cf311f15