[INFO] fetching crate deep-flatten 0.1.0...
[INFO] testing deep-flatten-0.1.0 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate deep-flatten 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate deep-flatten 0.1.0 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "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-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "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" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9329b987ee582c7bd8f5bc0aa8137fbe527c33e595a1746fcba3acfaa0d7359e
[INFO] running `Command { std: "docker" "start" "-a" "9329b987ee582c7bd8f5bc0aa8137fbe527c33e595a1746fcba3acfaa0d7359e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9329b987ee582c7bd8f5bc0aa8137fbe527c33e595a1746fcba3acfaa0d7359e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9329b987ee582c7bd8f5bc0aa8137fbe527c33e595a1746fcba3acfaa0d7359e", kill_on_drop: false }`
[INFO] [stdout] 9329b987ee582c7bd8f5bc0aa8137fbe527c33e595a1746fcba3acfaa0d7359e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05311ead087ff6ec6d21a122a24a37f2e918ccc25aad4f649fd3fbf8384899ca
[INFO] running `Command { std: "docker" "start" "-a" "05311ead087ff6ec6d21a122a24a37f2e918ccc25aad4f649fd3fbf8384899ca", 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 0.14s
[INFO] running `Command { std: "docker" "inspect" "05311ead087ff6ec6d21a122a24a37f2e918ccc25aad4f649fd3fbf8384899ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05311ead087ff6ec6d21a122a24a37f2e918ccc25aad4f649fd3fbf8384899ca", kill_on_drop: false }`
[INFO] [stdout] 05311ead087ff6ec6d21a122a24a37f2e918ccc25aad4f649fd3fbf8384899ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c2330f488854b57e2a87e3100e8548fc5cb37d2893d43aafa1fe75ee905ada9
[INFO] running `Command { std: "docker" "start" "-a" "8c2330f488854b57e2a87e3100e8548fc5cb37d2893d43aafa1fe75ee905ada9", 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 0.43s
[INFO] running `Command { std: "docker" "inspect" "8c2330f488854b57e2a87e3100e8548fc5cb37d2893d43aafa1fe75ee905ada9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c2330f488854b57e2a87e3100e8548fc5cb37d2893d43aafa1fe75ee905ada9", kill_on_drop: false }`
[INFO] [stdout] 8c2330f488854b57e2a87e3100e8548fc5cb37d2893d43aafa1fe75ee905ada9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 777fe5bf12f1c4f6d20d6799f6d76bb11fa4a0d025ceefdda95bdd21f70b271f
[INFO] running `Command { std: "docker" "start" "-a" "777fe5bf12f1c4f6d20d6799f6d76bb11fa4a0d025ceefdda95bdd21f70b271f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/deep_flatten-e2f779a2a1066880)
[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-3859746783192eeb)
[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: 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/lib.rs - (line 8)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "777fe5bf12f1c4f6d20d6799f6d76bb11fa4a0d025ceefdda95bdd21f70b271f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "777fe5bf12f1c4f6d20d6799f6d76bb11fa4a0d025ceefdda95bdd21f70b271f", kill_on_drop: false }`
[INFO] [stdout] 777fe5bf12f1c4f6d20d6799f6d76bb11fa4a0d025ceefdda95bdd21f70b271f
[INFO] testing deep-flatten-0.1.0 against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] extracting crate deep-flatten 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate deep-flatten 0.1.0 on toolchain b642703cf9526da1e72c0b6755753b939a9c6b6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "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-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "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" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67d3d21ef85657510f3e309806310f523903a5829e6c9c8962d5c49e3f507378
[INFO] running `Command { std: "docker" "start" "-a" "67d3d21ef85657510f3e309806310f523903a5829e6c9c8962d5c49e3f507378", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67d3d21ef85657510f3e309806310f523903a5829e6c9c8962d5c49e3f507378", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67d3d21ef85657510f3e309806310f523903a5829e6c9c8962d5c49e3f507378", kill_on_drop: false }`
[INFO] [stdout] 67d3d21ef85657510f3e309806310f523903a5829e6c9c8962d5c49e3f507378
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65972431079bfe7535ceef1d1b3b6fc89951e2f42d05f0ef0d8dc77ac5d7b6f2
[INFO] running `Command { std: "docker" "start" "-a" "65972431079bfe7535ceef1d1b3b6fc89951e2f42d05f0ef0d8dc77ac5d7b6f2", 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 0.10s
[INFO] running `Command { std: "docker" "inspect" "65972431079bfe7535ceef1d1b3b6fc89951e2f42d05f0ef0d8dc77ac5d7b6f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65972431079bfe7535ceef1d1b3b6fc89951e2f42d05f0ef0d8dc77ac5d7b6f2", kill_on_drop: false }`
[INFO] [stdout] 65972431079bfe7535ceef1d1b3b6fc89951e2f42d05f0ef0d8dc77ac5d7b6f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1047e084ecd89bcacc5e1932f3a59ccd42c6d7d8c53b23ed31ce82fd5edbdf8d
[INFO] running `Command { std: "docker" "start" "-a" "1047e084ecd89bcacc5e1932f3a59ccd42c6d7d8c53b23ed31ce82fd5edbdf8d", 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 0.24s
[INFO] running `Command { std: "docker" "inspect" "1047e084ecd89bcacc5e1932f3a59ccd42c6d7d8c53b23ed31ce82fd5edbdf8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1047e084ecd89bcacc5e1932f3a59ccd42c6d7d8c53b23ed31ce82fd5edbdf8d", kill_on_drop: false }`
[INFO] [stdout] 1047e084ecd89bcacc5e1932f3a59ccd42c6d7d8c53b23ed31ce82fd5edbdf8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 59ff0710aabb4aed2fdd058da15653c5e4e0c6fb9509a2c0ebf4f5b4f7ee2829
[INFO] running `Command { std: "docker" "start" "-a" "59ff0710aabb4aed2fdd058da15653c5e4e0c6fb9509a2c0ebf4f5b4f7ee2829", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/deep_flatten-e2f779a2a1066880)
[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-3859746783192eeb)
[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: 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/lib.rs - (line 8)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "59ff0710aabb4aed2fdd058da15653c5e4e0c6fb9509a2c0ebf4f5b4f7ee2829", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59ff0710aabb4aed2fdd058da15653c5e4e0c6fb9509a2c0ebf4f5b4f7ee2829", kill_on_drop: false }`
[INFO] [stdout] 59ff0710aabb4aed2fdd058da15653c5e4e0c6fb9509a2c0ebf4f5b4f7ee2829
