[INFO] fetching crate luhtwin 0.1.4...
[INFO] testing luhtwin-0.1.4 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate luhtwin 0.1.4 into /workspace/builds/worker-3-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate luhtwin 0.1.4 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e97117d1d1a83c97f5a662df32a2bd2bdea998573e4c645628cd4c888adb55d3
[INFO] running `Command { std: "docker" "start" "-a" "e97117d1d1a83c97f5a662df32a2bd2bdea998573e4c645628cd4c888adb55d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e97117d1d1a83c97f5a662df32a2bd2bdea998573e4c645628cd4c888adb55d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e97117d1d1a83c97f5a662df32a2bd2bdea998573e4c645628cd4c888adb55d3", kill_on_drop: false }`
[INFO] [stdout] e97117d1d1a83c97f5a662df32a2bd2bdea998573e4c645628cd4c888adb55d3
[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=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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1ddb9bc3371e897ed5055fb2bb16e64dea5b738ed2b7a4100e6b65c9fb91b20
[INFO] running `Command { std: "docker" "start" "-a" "d1ddb9bc3371e897ed5055fb2bb16e64dea5b738ed2b7a4100e6b65c9fb91b20", kill_on_drop: false }`
[INFO] [stderr]    Compiling luhtwin v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "d1ddb9bc3371e897ed5055fb2bb16e64dea5b738ed2b7a4100e6b65c9fb91b20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1ddb9bc3371e897ed5055fb2bb16e64dea5b738ed2b7a4100e6b65c9fb91b20", kill_on_drop: false }`
[INFO] [stdout] d1ddb9bc3371e897ed5055fb2bb16e64dea5b738ed2b7a4100e6b65c9fb91b20
[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=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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a29d33282d60eb3ba75c6082bc178b4231ebb3660d53c334490e53995cd1d2b
[INFO] running `Command { std: "docker" "start" "-a" "0a29d33282d60eb3ba75c6082bc178b4231ebb3660d53c334490e53995cd1d2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling luhtwin v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "0a29d33282d60eb3ba75c6082bc178b4231ebb3660d53c334490e53995cd1d2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a29d33282d60eb3ba75c6082bc178b4231ebb3660d53c334490e53995cd1d2b", kill_on_drop: false }`
[INFO] [stdout] 0a29d33282d60eb3ba75c6082bc178b4231ebb3660d53c334490e53995cd1d2b
[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=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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ce123e2704c0c5e5673631625d2ac470fd0f9987a62bc41e59b95c9ab662a2bc
[INFO] running `Command { std: "docker" "start" "-a" "ce123e2704c0c5e5673631625d2ac470fd0f9987a62bc41e59b95c9ab662a2bc", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[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_without_message_defaults_to_unknown ... ok
[INFO] [stdout] test tests::anyerror_with_source_but_no_message_displays_source ... ok
[INFO] [stdout] test tests::bail_macro_returns_early_with_message ... ok
[INFO] [stdout] test tests::bail_macro_with_format_args ... 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::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::ensure_macro_allows_valid_condition ... ok
[INFO] [stdout] test tests::ensure_and_bail_can_coexist ... ok
[INFO] [stdout] test tests::ensure_macro_bails_on_failure ... ok
[INFO] [stdout] test tests::error_context_display_with_all_fields ... ok
[INFO] [stdout] test tests::from_implementations_work ... ok
[INFO] [stdout] test tests::map_err_produces_combined_message ... ok
[INFO] [stdout] test tests::with_context_closure_is_lazy ... ok
[INFO] [stdout] test tests::anyerror_can_be_sent_across_threads ... ok
[INFO] [stdout] test tests::root_cause_on_anyerror_directly ... ok
[INFO] [stdout] test tests::print_error_formats_demonstration ... ok
[INFO] [stdout] test tests::map_err_context_handles_empty_message ... ok
[INFO] [stdout] test tests::iter_sources_traverses_entire_chain ... ok
[INFO] [stdout] test tests::test_wrap_luhtwin ... ok
[INFO] [stderr]    Doc-tests luhtwin
[INFO] [stdout] test tests::with_context_closure_is_called_on_err ... ok
[INFO] [stdout] test tests::multiple_contexts_preserve_order ... ok
[INFO] [stdout] test tests::root_cause_finds_deepest_source ... ok
[INFO] [stdout] test tests::ensure_macro_with_complex_conditions ... 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] [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" "ce123e2704c0c5e5673631625d2ac470fd0f9987a62bc41e59b95c9ab662a2bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce123e2704c0c5e5673631625d2ac470fd0f9987a62bc41e59b95c9ab662a2bc", kill_on_drop: false }`
[INFO] [stdout] ce123e2704c0c5e5673631625d2ac470fd0f9987a62bc41e59b95c9ab662a2bc