[INFO] fetching crate luhtwin 0.1.4...
[INFO] testing luhtwin-0.1.4 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate luhtwin 0.1.4 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate luhtwin 0.1.4
[INFO] finished tweaking crates.io crate luhtwin 0.1.4
[INFO] tweaked toml for crates.io crate luhtwin 0.1.4 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate luhtwin 0.1.4 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate luhtwin 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a8ff3ab5ac0f08c5e30efac3f82272c2e186ddd20b28e2a32c2011a148a32fb
[INFO] running `Command { std: "docker" "start" "-a" "6a8ff3ab5ac0f08c5e30efac3f82272c2e186ddd20b28e2a32c2011a148a32fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a8ff3ab5ac0f08c5e30efac3f82272c2e186ddd20b28e2a32c2011a148a32fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a8ff3ab5ac0f08c5e30efac3f82272c2e186ddd20b28e2a32c2011a148a32fb", kill_on_drop: false }`
[INFO] [stdout] 6a8ff3ab5ac0f08c5e30efac3f82272c2e186ddd20b28e2a32c2011a148a32fb
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffaffd8a793f165eb1288153b37509c680a6944253e430375990042e3d8d2c41
[INFO] running `Command { std: "docker" "start" "-a" "ffaffd8a793f165eb1288153b37509c680a6944253e430375990042e3d8d2c41", kill_on_drop: false }`
[INFO] [stderr]    Compiling luhtwin v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "ffaffd8a793f165eb1288153b37509c680a6944253e430375990042e3d8d2c41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffaffd8a793f165eb1288153b37509c680a6944253e430375990042e3d8d2c41", kill_on_drop: false }`
[INFO] [stdout] ffaffd8a793f165eb1288153b37509c680a6944253e430375990042e3d8d2c41
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fd827fa38903dff2509d4844f16888951f7b1b2be53fd2873d27497559603a9
[INFO] running `Command { std: "docker" "start" "-a" "3fd827fa38903dff2509d4844f16888951f7b1b2be53fd2873d27497559603a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling luhtwin v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "3fd827fa38903dff2509d4844f16888951f7b1b2be53fd2873d27497559603a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fd827fa38903dff2509d4844f16888951f7b1b2be53fd2873d27497559603a9", kill_on_drop: false }`
[INFO] [stdout] 3fd827fa38903dff2509d4844f16888951f7b1b2be53fd2873d27497559603a9
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3a80357cdc4f56500627822874e016f50db181e893bc5fe842c82500e669ef39
[INFO] running `Command { std: "docker" "start" "-a" "3a80357cdc4f56500627822874e016f50db181e893bc5fe842c82500e669ef39", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/luhtwin-6b17125d72235767)
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stdout] test tests::anyerror_is_send_and_sync ... ok
[INFO] [stdout] test tests::anyerror_with_source_but_no_message_displays_source ... ok
[INFO] [stdout] test tests::anyerror_without_message_defaults_to_unknown ... ok
[INFO] [stdout] test tests::bail_macro_returns_early_with_message ... ok
[INFO] [stdout] test tests::chained_context_produces_nested_sources ... ok
[INFO] [stdout] test tests::context_adds_message_and_preserves_source ... ok
[INFO] [stdout] test tests::bail_macro_with_format_args ... ok
[INFO] [stdout] test tests::context_and_macros_mix_well ... ok
[INFO] [stdout] test tests::context_chain_root_cause_is_original_error ... ok
[INFO] [stdout] test tests::context_works_with_custom_non_io_error ... ok
[INFO] [stdout] test tests::display_shows_top_message_only ... ok
[INFO] [stdout] test tests::anyerror_can_be_sent_across_threads ... ok
[INFO] [stdout] test tests::ensure_and_bail_can_coexist ... ok
[INFO] [stdout] test tests::ensure_macro_allows_valid_condition ... ok
[INFO] [stdout] test tests::ensure_macro_with_complex_conditions ... ok
[INFO] [stdout] test tests::iter_sources_traverses_entire_chain ... ok
[INFO] [stdout] test tests::ensure_macro_bails_on_failure ... ok
[INFO] [stdout] test tests::map_err_produces_combined_message ... ok
[INFO] [stdout] test tests::multiple_contexts_preserve_order ... ok
[INFO] [stdout] test tests::error_context_display_with_all_fields ... ok
[INFO] [stdout] test tests::root_cause_finds_deepest_source ... ok
[INFO] [stdout] test tests::from_implementations_work ... ok
[INFO] [stdout] test tests::root_cause_on_anyerror_directly ... ok
[INFO] [stdout] test tests::with_context_closure_is_lazy ... ok
[INFO] [stdout] test tests::print_error_formats_demonstration ... ok
[INFO] [stdout] test tests::test_wrap_luhtwin ... ok
[INFO] [stdout] test tests::map_err_context_handles_empty_message ... ok
[INFO] [stdout] test tests::with_context_closure_is_called_on_err ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests luhtwin
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test src/lib.rs - (line 107) ... ignored
[INFO] [stdout] test src/lib.rs - (line 115) ... ignored
[INFO] [stdout] test src/lib.rs - (line 127) ... ignored
[INFO] [stdout] test src/lib.rs - (line 34) ... ignored
[INFO] [stdout] test src/lib.rs - (line 97) ... ignored
[INFO] [stdout] test src/lib.rs - AnyError (line 376) ... ignored
[INFO] [stdout] test src/lib.rs - AnyError (line 389) ... ignored
[INFO] [stdout] test src/lib.rs - Context (line 737) ... ignored
[INFO] [stdout] test src/lib.rs - Encase (line 846) ... ignored
[INFO] [stdout] test src/lib.rs - ErrorContext (line 235) ... ignored
[INFO] [stdout] test src/lib.rs - ErrorContext (line 244) ... ignored
[INFO] [stdout] test src/lib.rs - LuhTwin (line 579) ... ignored
[INFO] [stdout] test src/lib.rs - LuhTwin (line 592) ... ignored
[INFO] [stdout] test src/lib.rs - LuhTwin (line 604) ... ignored
[INFO] [stdout] test src/lib.rs - Twin (line 675) ... ignored
[INFO] [stdout] test src/lib.rs - Wrap (line 796) ... ignored
[INFO] [stdout] test src/lib.rs - at (line 893) ... ignored
[INFO] [stdout] test src/lib.rs - bail (line 932) ... ignored
[INFO] [stdout] test src/lib.rs - ensure (line 957) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 19 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3a80357cdc4f56500627822874e016f50db181e893bc5fe842c82500e669ef39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a80357cdc4f56500627822874e016f50db181e893bc5fe842c82500e669ef39", kill_on_drop: false }`
[INFO] [stdout] 3a80357cdc4f56500627822874e016f50db181e893bc5fe842c82500e669ef39