[INFO] fetching crate tabu 0.1.1... [INFO] checking tabu-0.1.1 against try#23ffd2897cbb44320ca18dfe4d05dbacb37d55e0 for pr-115950 [INFO] extracting crate tabu 0.1.1 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate tabu 0.1.1 on toolchain 23ffd2897cbb44320ca18dfe4d05dbacb37d55e0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate tabu 0.1.1 [INFO] finished tweaking crates.io crate tabu 0.1.1 [INFO] tweaked toml for crates.io crate tabu 0.1.1 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" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] be3456aa1ad7d2e9e373f361ea592c74b920f70604fce913ca949b5cdc459738 [INFO] running `Command { std: "docker" "start" "-a" "be3456aa1ad7d2e9e373f361ea592c74b920f70604fce913ca949b5cdc459738", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "be3456aa1ad7d2e9e373f361ea592c74b920f70604fce913ca949b5cdc459738", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be3456aa1ad7d2e9e373f361ea592c74b920f70604fce913ca949b5cdc459738", kill_on_drop: false }` [INFO] [stdout] be3456aa1ad7d2e9e373f361ea592c74b920f70604fce913ca949b5cdc459738 [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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 92658d6584e628fb2d0970b960540b89d27561adf99841fecf3e77ed3d713df5 [INFO] running `Command { std: "docker" "start" "-a" "92658d6584e628fb2d0970b960540b89d27561adf99841fecf3e77ed3d713df5", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling num-traits v0.2.16 [INFO] [stderr] Checking once_cell v1.18.0 [INFO] [stderr] Checking either v1.9.0 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Compiling ahash v0.8.3 [INFO] [stderr] Checking hashbrown v0.13.2 [INFO] [stderr] Checking ordered-float v3.9.1 [INFO] [stderr] Checking tabu v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/clustering/cluster_tabu.rs:77:22 [INFO] [stdout] | [INFO] [stdout] 30 | fn descendants(state: &State) -> impl Iterator> [INFO] [stdout] | --------------------------------- [INFO] [stdout] | | [INFO] [stdout] | the expected opaque type [INFO] [stdout] | the found opaque type [INFO] [stdout] ... [INFO] [stdout] 77 | let best_state = tabu_search( [INFO] [stdout] | ______________________^ [INFO] [stdout] 78 | | initial_state, [INFO] [stdout] 79 | | descendants, [INFO] [stdout] 80 | | |state| cost(&state.clusters), [INFO] [stdout] 81 | | max_iterations, [INFO] [stdout] 82 | | stopping_cost, [INFO] [stdout] 83 | | ); [INFO] [stdout] | |_____^ one type is more general than the other [INFO] [stdout] | [INFO] [stdout] = note: expected opaque type `impl for<'a> Iterator>` [INFO] [stdout] found opaque type `impl Iterator>` [INFO] [stdout] = note: distinct uses of `impl Trait` result in different opaque types [INFO] [stdout] note: the lifetime requirement is introduced here [INFO] [stdout] --> src/search/tabu.rs:20:22 [INFO] [stdout] | [INFO] [stdout] 20 | F: Fn(&State) -> D, [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `tabu` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/clustering/cluster_tabu.rs:77:22 [INFO] [stdout] | [INFO] [stdout] 30 | fn descendants(state: &State) -> impl Iterator> [INFO] [stdout] | --------------------------------- [INFO] [stdout] | | [INFO] [stdout] | the expected opaque type [INFO] [stdout] | the found opaque type [INFO] [stdout] ... [INFO] [stdout] 77 | let best_state = tabu_search( [INFO] [stdout] | ______________________^ [INFO] [stdout] 78 | | initial_state, [INFO] [stdout] 79 | | descendants, [INFO] [stdout] 80 | | |state| cost(&state.clusters), [INFO] [stdout] 81 | | max_iterations, [INFO] [stdout] 82 | | stopping_cost, [INFO] [stdout] 83 | | ); [INFO] [stdout] | |_____^ one type is more general than the other [INFO] [stdout] | [INFO] [stdout] = note: expected opaque type `impl for<'a> Iterator>` [INFO] [stdout] found opaque type `impl Iterator>` [INFO] [stdout] = note: distinct uses of `impl Trait` result in different opaque types [INFO] [stdout] note: the lifetime requirement is introduced here [INFO] [stdout] --> src/search/tabu.rs:20:22 [INFO] [stdout] | [INFO] [stdout] 20 | F: Fn(&State) -> D, [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `tabu` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "92658d6584e628fb2d0970b960540b89d27561adf99841fecf3e77ed3d713df5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "92658d6584e628fb2d0970b960540b89d27561adf99841fecf3e77ed3d713df5", kill_on_drop: false }` [INFO] [stdout] 92658d6584e628fb2d0970b960540b89d27561adf99841fecf3e77ed3d713df5