[INFO] fetching crate dci 0.3.0...
[INFO] testing dci-0.3.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate dci 0.3.0 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate dci 0.3.0 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 dci 0.3.0
[INFO] finished tweaking crates.io crate dci 0.3.0
[INFO] tweaked toml for crates.io crate dci 0.3.0 written to /workspace/builds/worker-22/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]  Downloading crates ...
[INFO] [stderr]   Downloaded bitmatrix v0.1.0
[INFO] [stderr]   Downloaded bitvec v0.19.6
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e536239799af810c1063ecf61a8dc5ea6c9769ed49dc84ecabbfa07d6374f54
[INFO] running `Command { std: "docker" "start" "-a" "5e536239799af810c1063ecf61a8dc5ea6c9769ed49dc84ecabbfa07d6374f54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e536239799af810c1063ecf61a8dc5ea6c9769ed49dc84ecabbfa07d6374f54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e536239799af810c1063ecf61a8dc5ea6c9769ed49dc84ecabbfa07d6374f54", kill_on_drop: false }`
[INFO] [stdout] 5e536239799af810c1063ecf61a8dc5ea6c9769ed49dc84ecabbfa07d6374f54
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e651fb7829347f7c0b08861c2e32d84be037656f35287a4e39a16f3d4948b30f
[INFO] running `Command { std: "docker" "start" "-a" "e651fb7829347f7c0b08861c2e32d84be037656f35287a4e39a16f3d4948b30f", kill_on_drop: false }`
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling dci v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.64s
[INFO] running `Command { std: "docker" "inspect" "e651fb7829347f7c0b08861c2e32d84be037656f35287a4e39a16f3d4948b30f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e651fb7829347f7c0b08861c2e32d84be037656f35287a4e39a16f3d4948b30f", kill_on_drop: false }`
[INFO] [stdout] e651fb7829347f7c0b08861c2e32d84be037656f35287a4e39a16f3d4948b30f
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c49a5fd3527f7deef18f81e9aa9fd30a1f1b26bad0bf9730a8d1c57804130f64
[INFO] running `Command { std: "docker" "start" "-a" "c49a5fd3527f7deef18f81e9aa9fd30a1f1b26bad0bf9730a8d1c57804130f64", kill_on_drop: false }`
[INFO] [stderr]    Compiling dci v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "c49a5fd3527f7deef18f81e9aa9fd30a1f1b26bad0bf9730a8d1c57804130f64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c49a5fd3527f7deef18f81e9aa9fd30a1f1b26bad0bf9730a8d1c57804130f64", kill_on_drop: false }`
[INFO] [stdout] c49a5fd3527f7deef18f81e9aa9fd30a1f1b26bad0bf9730a8d1c57804130f64
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ec10b3beeb7b45720b17cab0613eaf81a4fcb42541120dc088ec57eab6c341d8
[INFO] running `Command { std: "docker" "start" "-a" "ec10b3beeb7b45720b17cab0613eaf81a4fcb42541120dc088ec57eab6c341d8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dci-ef066debbb5738f0)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_toy ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dci
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - ItemSet (line 67) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ec10b3beeb7b45720b17cab0613eaf81a4fcb42541120dc088ec57eab6c341d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec10b3beeb7b45720b17cab0613eaf81a4fcb42541120dc088ec57eab6c341d8", kill_on_drop: false }`
[INFO] [stdout] ec10b3beeb7b45720b17cab0613eaf81a4fcb42541120dc088ec57eab6c341d8