[INFO] fetching crate deep-flatten 0.1.0...
[INFO] testing deep-flatten-0.1.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate deep-flatten 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate deep-flatten 0.1.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "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-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a7cb79a0b5dc803c3c5cb706e4bbab16fbf9113f4616f1f41d204a58e23f879
[INFO] running `Command { std: "docker" "start" "-a" "8a7cb79a0b5dc803c3c5cb706e4bbab16fbf9113f4616f1f41d204a58e23f879", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a7cb79a0b5dc803c3c5cb706e4bbab16fbf9113f4616f1f41d204a58e23f879", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a7cb79a0b5dc803c3c5cb706e4bbab16fbf9113f4616f1f41d204a58e23f879", kill_on_drop: false }`
[INFO] [stdout] 8a7cb79a0b5dc803c3c5cb706e4bbab16fbf9113f4616f1f41d204a58e23f879
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91d41a5c512285aa79747d21456720d674a4ce7cfed36600cfc5c66a2d987c46
[INFO] running `Command { std: "docker" "start" "-a" "91d41a5c512285aa79747d21456720d674a4ce7cfed36600cfc5c66a2d987c46", kill_on_drop: false }`
[INFO] [stderr]    Compiling deep-flatten v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "91d41a5c512285aa79747d21456720d674a4ce7cfed36600cfc5c66a2d987c46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91d41a5c512285aa79747d21456720d674a4ce7cfed36600cfc5c66a2d987c46", kill_on_drop: false }`
[INFO] [stdout] 91d41a5c512285aa79747d21456720d674a4ce7cfed36600cfc5c66a2d987c46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0159871cb0b2ca40fdc7ffacefcba8d03362570b5ac9cb262dc61b29e37a658d
[INFO] running `Command { std: "docker" "start" "-a" "0159871cb0b2ca40fdc7ffacefcba8d03362570b5ac9cb262dc61b29e37a658d", kill_on_drop: false }`
[INFO] [stderr]    Compiling deep-flatten v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "0159871cb0b2ca40fdc7ffacefcba8d03362570b5ac9cb262dc61b29e37a658d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0159871cb0b2ca40fdc7ffacefcba8d03362570b5ac9cb262dc61b29e37a658d", kill_on_drop: false }`
[INFO] [stdout] 0159871cb0b2ca40fdc7ffacefcba8d03362570b5ac9cb262dc61b29e37a658d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3f7cc02cea95d081ff634d1404e96437f8f8ec38c74a58d6f396f2e4d64c3eec
[INFO] running `Command { std: "docker" "start" "-a" "3f7cc02cea95d081ff634d1404e96437f8f8ec38c74a58d6f396f2e4d64c3eec", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/deep_flatten-77c8aee44164c072)
[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]      Running tests/flatten_option.rs (/opt/rustwide/target/debug/deps/flatten_option-87ef279d8dec6670)
[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/lib.rs - (line 8) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 8) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `deep_flatten::DeepFlatten`
[INFO] [stdout]  --> src/lib.rs: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/lib.rs: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: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]   |
[INFO] [stdout] 2 + use crate::deep_flatten::OptionDeepFlatten;
[INFO] [stdout]   |
[INFO] [stdout] help: there is a method 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/lib.rs - (line 8)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.46s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "3f7cc02cea95d081ff634d1404e96437f8f8ec38c74a58d6f396f2e4d64c3eec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f7cc02cea95d081ff634d1404e96437f8f8ec38c74a58d6f396f2e4d64c3eec", kill_on_drop: false }`
[INFO] [stdout] 3f7cc02cea95d081ff634d1404e96437f8f8ec38c74a58d6f396f2e4d64c3eec
[INFO] testing deep-flatten-0.1.0 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate deep-flatten 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate deep-flatten 0.1.0 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "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-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "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" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9048109fe1ffb2b48a2d4665281c17588b86452525ed1ca428754c80a5996e11
[INFO] running `Command { std: "docker" "start" "-a" "9048109fe1ffb2b48a2d4665281c17588b86452525ed1ca428754c80a5996e11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9048109fe1ffb2b48a2d4665281c17588b86452525ed1ca428754c80a5996e11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9048109fe1ffb2b48a2d4665281c17588b86452525ed1ca428754c80a5996e11", kill_on_drop: false }`
[INFO] [stdout] 9048109fe1ffb2b48a2d4665281c17588b86452525ed1ca428754c80a5996e11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e6bedbdd2e7f41b68ca7aa5e7a5525d0b53f0774fe1daf9748a5351a7a8ef5d
[INFO] running `Command { std: "docker" "start" "-a" "1e6bedbdd2e7f41b68ca7aa5e7a5525d0b53f0774fe1daf9748a5351a7a8ef5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling deep-flatten v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "1e6bedbdd2e7f41b68ca7aa5e7a5525d0b53f0774fe1daf9748a5351a7a8ef5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e6bedbdd2e7f41b68ca7aa5e7a5525d0b53f0774fe1daf9748a5351a7a8ef5d", kill_on_drop: false }`
[INFO] [stdout] 1e6bedbdd2e7f41b68ca7aa5e7a5525d0b53f0774fe1daf9748a5351a7a8ef5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8dfc7c01a2b22c776aea14c5d7feeeaba9c9b650bf163f4d81766b731cb9d03a
[INFO] running `Command { std: "docker" "start" "-a" "8dfc7c01a2b22c776aea14c5d7feeeaba9c9b650bf163f4d81766b731cb9d03a", kill_on_drop: false }`
[INFO] [stderr]    Compiling deep-flatten v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "8dfc7c01a2b22c776aea14c5d7feeeaba9c9b650bf163f4d81766b731cb9d03a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dfc7c01a2b22c776aea14c5d7feeeaba9c9b650bf163f4d81766b731cb9d03a", kill_on_drop: false }`
[INFO] [stdout] 8dfc7c01a2b22c776aea14c5d7feeeaba9c9b650bf163f4d81766b731cb9d03a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b157b3d2e8e402f7887fa3346fd08f262358f50d96b82fa0e34d8a78daaf1c09
[INFO] running `Command { std: "docker" "start" "-a" "b157b3d2e8e402f7887fa3346fd08f262358f50d96b82fa0e34d8a78daaf1c09", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/deep_flatten-d0fd243cf56d1563)
[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]      Running tests/flatten_option.rs (/opt/rustwide/target/debug/deps/flatten_option-15ef7a81e57363dd)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_very_deep_flatten ... ok
[INFO] [stdout] test test_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/lib.rs - (line 8) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 8) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `deep_flatten::DeepFlatten`
[INFO] [stdout]  --> src/lib.rs: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/lib.rs: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: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]   |
[INFO] [stdout] 2 + use crate::deep_flatten::OptionDeepFlatten;
[INFO] [stdout]   |
[INFO] [stdout] help: there is a method 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/lib.rs - (line 8)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.71s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "b157b3d2e8e402f7887fa3346fd08f262358f50d96b82fa0e34d8a78daaf1c09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b157b3d2e8e402f7887fa3346fd08f262358f50d96b82fa0e34d8a78daaf1c09", kill_on_drop: false }`
[INFO] [stdout] b157b3d2e8e402f7887fa3346fd08f262358f50d96b82fa0e34d8a78daaf1c09
