[INFO] fetching crate ferrischat_snowflake_generator 2.0.0...
[INFO] testing ferrischat_snowflake_generator-2.0.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate ferrischat_snowflake_generator 2.0.0 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate ferrischat_snowflake_generator 2.0.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ferrischat_snowflake_generator 2.0.0
[INFO] finished tweaking crates.io crate ferrischat_snowflake_generator 2.0.0
[INFO] tweaked toml for crates.io crate ferrischat_snowflake_generator 2.0.0 written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f826d11730152e75e6cf691bcfb9adebc7cbea534a61599c04ad56a90cec6a0f
[INFO] running `Command { std: "docker" "start" "-a" "f826d11730152e75e6cf691bcfb9adebc7cbea534a61599c04ad56a90cec6a0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f826d11730152e75e6cf691bcfb9adebc7cbea534a61599c04ad56a90cec6a0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f826d11730152e75e6cf691bcfb9adebc7cbea534a61599c04ad56a90cec6a0f", kill_on_drop: false }`
[INFO] [stdout] f826d11730152e75e6cf691bcfb9adebc7cbea534a61599c04ad56a90cec6a0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f25dc2ad85f0de50bad3e332a9f3085ebe50ce95105ba9cb07c594b3f30de4b1
[INFO] running `Command { std: "docker" "start" "-a" "f25dc2ad85f0de50bad3e332a9f3085ebe50ce95105ba9cb07c594b3f30de4b1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ferrischat_snowflake_generator v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "f25dc2ad85f0de50bad3e332a9f3085ebe50ce95105ba9cb07c594b3f30de4b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f25dc2ad85f0de50bad3e332a9f3085ebe50ce95105ba9cb07c594b3f30de4b1", kill_on_drop: false }`
[INFO] [stdout] f25dc2ad85f0de50bad3e332a9f3085ebe50ce95105ba9cb07c594b3f30de4b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b0657019dab700a1c1a8bdccb294e1e3f93ba385507292c85cbb3616c94a80b
[INFO] running `Command { std: "docker" "start" "-a" "0b0657019dab700a1c1a8bdccb294e1e3f93ba385507292c85cbb3616c94a80b", kill_on_drop: false }`
[INFO] [stderr]    Compiling ferrischat_snowflake_generator v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "0b0657019dab700a1c1a8bdccb294e1e3f93ba385507292c85cbb3616c94a80b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b0657019dab700a1c1a8bdccb294e1e3f93ba385507292c85cbb3616c94a80b", kill_on_drop: false }`
[INFO] [stdout] 0b0657019dab700a1c1a8bdccb294e1e3f93ba385507292c85cbb3616c94a80b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 07f31240528798ba6a6c5b03c9275417d958549418d6bfb7da304a38bdadb7ff
[INFO] running `Command { std: "docker" "start" "-a" "07f31240528798ba6a6c5b03c9275417d958549418d6bfb7da304a38bdadb7ff", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ferrischat_snowflake_generator-3c0e486c1a293a18)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::unequal_snowflakes ... ok
[INFO] [stdout] test tests::all_unequal_snowflakes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.45s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ferrischat_snowflake_generator
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - generate_snowflake (line 44) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "07f31240528798ba6a6c5b03c9275417d958549418d6bfb7da304a38bdadb7ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07f31240528798ba6a6c5b03c9275417d958549418d6bfb7da304a38bdadb7ff", kill_on_drop: false }`
[INFO] [stdout] 07f31240528798ba6a6c5b03c9275417d958549418d6bfb7da304a38bdadb7ff