[INFO] fetching crate deep-flatten 0.1.0...
[INFO] testing deep-flatten-0.1.0 against nightly-2024-10-28+rustflags=-Zrandomize-layout for randomize-layout
[INFO] extracting crate deep-flatten 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate deep-flatten 0.1.0 on toolchain nightly-2024-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate deep-flatten 0.1.0
[INFO] finished tweaking crates.io crate deep-flatten 0.1.0
[INFO] tweaked toml for crates.io crate deep-flatten 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42b599a0f5863a38af3cfb393dc20b83e98bc7957d51a2c0dc652fde86c9b538
[INFO] running `Command { std: "docker" "start" "-a" "42b599a0f5863a38af3cfb393dc20b83e98bc7957d51a2c0dc652fde86c9b538", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42b599a0f5863a38af3cfb393dc20b83e98bc7957d51a2c0dc652fde86c9b538", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42b599a0f5863a38af3cfb393dc20b83e98bc7957d51a2c0dc652fde86c9b538", kill_on_drop: false }`
[INFO] [stdout] 42b599a0f5863a38af3cfb393dc20b83e98bc7957d51a2c0dc652fde86c9b538
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=forbid -Zrandomize-layout" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eeeea3c0c44b5354b9c25be83911a8090111a386da1cb455db5983569ae8b488
[INFO] running `Command { std: "docker" "start" "-a" "eeeea3c0c44b5354b9c25be83911a8090111a386da1cb455db5983569ae8b488", kill_on_drop: false }`
[INFO] [stderr]    Compiling deep-flatten v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "eeeea3c0c44b5354b9c25be83911a8090111a386da1cb455db5983569ae8b488", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeeea3c0c44b5354b9c25be83911a8090111a386da1cb455db5983569ae8b488", kill_on_drop: false }`
[INFO] [stdout] eeeea3c0c44b5354b9c25be83911a8090111a386da1cb455db5983569ae8b488
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=forbid -Zrandomize-layout" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 136d153f6ec70e5354a1bb5cb2782c86feac2b6561d86d1794f51552046410ca
[INFO] running `Command { std: "docker" "start" "-a" "136d153f6ec70e5354a1bb5cb2782c86feac2b6561d86d1794f51552046410ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling deep-flatten v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "136d153f6ec70e5354a1bb5cb2782c86feac2b6561d86d1794f51552046410ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "136d153f6ec70e5354a1bb5cb2782c86feac2b6561d86d1794f51552046410ca", kill_on_drop: false }`
[INFO] [stdout] 136d153f6ec70e5354a1bb5cb2782c86feac2b6561d86d1794f51552046410ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=forbid -Zrandomize-layout" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0281693c85fc1d6551a503e322ab9b55c01ec35b0d5b17b7066c8fe10a47a2db
[INFO] running `Command { std: "docker" "start" "-a" "0281693c85fc1d6551a503e322ab9b55c01ec35b0d5b17b7066c8fe10a47a2db", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/deep_flatten-e2f779a2a1066880)
[INFO] [stderr]      Running tests/flatten_option.rs (/opt/rustwide/target/debug/deps/flatten_option-3859746783192eeb)
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_flatten ... ok
[INFO] [stdout] test test_very_deep_flatten ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests deep_flatten
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/../README.md - (line 8) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/../README.md - (line 8) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `deep_flatten::DeepFlatten`
[INFO] [stdout]  --> src/../README.md:10:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use deep_flatten::DeepFlatten;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^ no `DeepFlatten` in the root
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `deep_flatten` found for enum `Option` in the current scope
[INFO] [stdout]  --> src/../README.md:13:19
[INFO] [stdout]   |
[INFO] [stdout] 8 | let flattened = x.deep_flatten();
[INFO] [stdout]   |                   ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: /opt/rustwide/workdir/src/lib.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn deep_flatten(self) -> Option<T>;
[INFO] [stdout]   |        ------------ the method is available for `Option<Option<Option<Option<Option<Option<Option<Option<Option<()>>>>>>>>>` here
[INFO] [stdout]   |
[INFO] [stdout]   = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `OptionDeepFlatten` which provides `deep_flatten` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]   |
[INFO] [stdout] 2 + use crate::deep_flatten::OptionDeepFlatten;
[INFO] [stdout]   |
[INFO] [stdout] help: there is a method `flatten` with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 8 | let flattened = x.flatten();
[INFO] [stdout]   |                   ~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/../README.md - (line 8)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "0281693c85fc1d6551a503e322ab9b55c01ec35b0d5b17b7066c8fe10a47a2db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0281693c85fc1d6551a503e322ab9b55c01ec35b0d5b17b7066c8fe10a47a2db", kill_on_drop: false }`
[INFO] [stdout] 0281693c85fc1d6551a503e322ab9b55c01ec35b0d5b17b7066c8fe10a47a2db
