[INFO] fetching crate ds-learn-rust 0.1.0...
[INFO] testing ds-learn-rust-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate ds-learn-rust 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate ds-learn-rust 0.1.0 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 ds-learn-rust 0.1.0
[INFO] finished tweaking crates.io crate ds-learn-rust 0.1.0
[INFO] tweaked toml for crates.io crate ds-learn-rust 0.1.0 written to /workspace/builds/worker-1/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 936f6e5255cf94c9f34945131c78804834aaf31fd3e8683b5107ddf8ebf8a2bd
[INFO] running `Command { std: "docker" "start" "-a" "936f6e5255cf94c9f34945131c78804834aaf31fd3e8683b5107ddf8ebf8a2bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "936f6e5255cf94c9f34945131c78804834aaf31fd3e8683b5107ddf8ebf8a2bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "936f6e5255cf94c9f34945131c78804834aaf31fd3e8683b5107ddf8ebf8a2bd", kill_on_drop: false }`
[INFO] [stdout] 936f6e5255cf94c9f34945131c78804834aaf31fd3e8683b5107ddf8ebf8a2bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] fb84014c65dee66a0921cf3a9f7594deae9694ef271ebcc76ad5b4ed8054a6c2
[INFO] running `Command { std: "docker" "start" "-a" "fb84014c65dee66a0921cf3a9f7594deae9694ef271ebcc76ad5b4ed8054a6c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling ds-learn-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "fb84014c65dee66a0921cf3a9f7594deae9694ef271ebcc76ad5b4ed8054a6c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb84014c65dee66a0921cf3a9f7594deae9694ef271ebcc76ad5b4ed8054a6c2", kill_on_drop: false }`
[INFO] [stdout] fb84014c65dee66a0921cf3a9f7594deae9694ef271ebcc76ad5b4ed8054a6c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] e8f577643dbda1c4737db4cad1ed736eb7792cfdb79a0208ae9efd27cb74ef17
[INFO] running `Command { std: "docker" "start" "-a" "e8f577643dbda1c4737db4cad1ed736eb7792cfdb79a0208ae9efd27cb74ef17", kill_on_drop: false }`
[INFO] [stderr]    Compiling ds-learn-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "e8f577643dbda1c4737db4cad1ed736eb7792cfdb79a0208ae9efd27cb74ef17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8f577643dbda1c4737db4cad1ed736eb7792cfdb79a0208ae9efd27cb74ef17", kill_on_drop: false }`
[INFO] [stdout] e8f577643dbda1c4737db4cad1ed736eb7792cfdb79a0208ae9efd27cb74ef17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 09fab30d8c33f73ef62559397f46f3349c42e19bcec61b3dbbe58a4213b597d6
[INFO] running `Command { std: "docker" "start" "-a" "09fab30d8c33f73ef62559397f46f3349c42e19bcec61b3dbbe58a4213b597d6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ds_learn_rust-636ca513dcca413a)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ds-learn-rust
[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" "09fab30d8c33f73ef62559397f46f3349c42e19bcec61b3dbbe58a4213b597d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09fab30d8c33f73ef62559397f46f3349c42e19bcec61b3dbbe58a4213b597d6", kill_on_drop: false }`
[INFO] [stdout] 09fab30d8c33f73ef62559397f46f3349c42e19bcec61b3dbbe58a4213b597d6