[INFO] fetching crate startup_to_learn_rust 0.1.0...
[INFO] testing startup_to_learn_rust-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate startup_to_learn_rust 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate startup_to_learn_rust 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate startup_to_learn_rust 0.1.0
[INFO] finished tweaking crates.io crate startup_to_learn_rust 0.1.0
[INFO] tweaked toml for crates.io crate startup_to_learn_rust 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate startup_to_learn_rust 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d495e5b801c28b6416129171b41106c09c36bf3bea8551bc731315e46e9e403
[INFO] running `Command { std: "docker" "start" "-a" "0d495e5b801c28b6416129171b41106c09c36bf3bea8551bc731315e46e9e403", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d495e5b801c28b6416129171b41106c09c36bf3bea8551bc731315e46e9e403", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d495e5b801c28b6416129171b41106c09c36bf3bea8551bc731315e46e9e403", kill_on_drop: false }`
[INFO] [stdout] 0d495e5b801c28b6416129171b41106c09c36bf3bea8551bc731315e46e9e403
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb5974a1f95faec51d6ee63945befe6c5d31f882b4db6870a18092878fc9ee18
[INFO] running `Command { std: "docker" "start" "-a" "eb5974a1f95faec51d6ee63945befe6c5d31f882b4db6870a18092878fc9ee18", kill_on_drop: false }`
[INFO] [stderr]    Compiling startup_to_learn_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "eb5974a1f95faec51d6ee63945befe6c5d31f882b4db6870a18092878fc9ee18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb5974a1f95faec51d6ee63945befe6c5d31f882b4db6870a18092878fc9ee18", kill_on_drop: false }`
[INFO] [stdout] eb5974a1f95faec51d6ee63945befe6c5d31f882b4db6870a18092878fc9ee18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebb722f3dc51118aceeb6e0db133963b587f2f563e0aab9237aceadd9ebc9baf
[INFO] running `Command { std: "docker" "start" "-a" "ebb722f3dc51118aceeb6e0db133963b587f2f563e0aab9237aceadd9ebc9baf", kill_on_drop: false }`
[INFO] [stderr]    Compiling startup_to_learn_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "ebb722f3dc51118aceeb6e0db133963b587f2f563e0aab9237aceadd9ebc9baf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebb722f3dc51118aceeb6e0db133963b587f2f563e0aab9237aceadd9ebc9baf", kill_on_drop: false }`
[INFO] [stdout] ebb722f3dc51118aceeb6e0db133963b587f2f563e0aab9237aceadd9ebc9baf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9c3615cb23c8c5b14add6fc155a578c21a01aa94f2844d83f3a6ff1ec7bcff34
[INFO] running `Command { std: "docker" "start" "-a" "9c3615cb23c8c5b14add6fc155a578c21a01aa94f2844d83f3a6ff1ec7bcff34", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/startup_to_learn_rust-20453223f1e46cc8)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::one_result ... 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]      Running unittests (/opt/rustwide/target/debug/deps/startup_to_learn_rust-0a036ddb10027e20)
[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]    Doc-tests startup_to_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" "9c3615cb23c8c5b14add6fc155a578c21a01aa94f2844d83f3a6ff1ec7bcff34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c3615cb23c8c5b14add6fc155a578c21a01aa94f2844d83f3a6ff1ec7bcff34", kill_on_drop: false }`
[INFO] [stdout] 9c3615cb23c8c5b14add6fc155a578c21a01aa94f2844d83f3a6ff1ec7bcff34