[INFO] fetching crate undo_2 0.2.1...
[INFO] testing undo_2-0.2.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate undo_2 0.2.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate undo_2 0.2.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate undo_2 0.2.1
[INFO] tweaked toml for crates.io crate undo_2 0.2.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate undo_2 0.2.1 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3a04d004bbfcc061b38c4646b3e559eb6208308267159dce30b65154e8aac37
[INFO] running `Command { std: "docker" "start" "-a" "e3a04d004bbfcc061b38c4646b3e559eb6208308267159dce30b65154e8aac37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3a04d004bbfcc061b38c4646b3e559eb6208308267159dce30b65154e8aac37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3a04d004bbfcc061b38c4646b3e559eb6208308267159dce30b65154e8aac37", kill_on_drop: false }`
[INFO] [stdout] e3a04d004bbfcc061b38c4646b3e559eb6208308267159dce30b65154e8aac37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6937c8167506630231c4b863445f32fe993235a300820aeeea1d47cc30148b37
[INFO] running `Command { std: "docker" "start" "-a" "6937c8167506630231c4b863445f32fe993235a300820aeeea1d47cc30148b37", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling undo_2 v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "6937c8167506630231c4b863445f32fe993235a300820aeeea1d47cc30148b37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6937c8167506630231c4b863445f32fe993235a300820aeeea1d47cc30148b37", kill_on_drop: false }`
[INFO] [stdout] 6937c8167506630231c4b863445f32fe993235a300820aeeea1d47cc30148b37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 855bb008000395fd164e208ff179770b5002837456ef1a647606e1f5e7f51364
[INFO] running `Command { std: "docker" "start" "-a" "855bb008000395fd164e208ff179770b5002837456ef1a647606e1f5e7f51364", kill_on_drop: false }`
[INFO] [stderr]    Compiling undo_2 v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `Command { std: "docker" "inspect" "855bb008000395fd164e208ff179770b5002837456ef1a647606e1f5e7f51364", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "855bb008000395fd164e208ff179770b5002837456ef1a647606e1f5e7f51364", kill_on_drop: false }`
[INFO] [stdout] 855bb008000395fd164e208ff179770b5002837456ef1a647606e1f5e7f51364
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cc98a9ad90b9f6168c51701fcc6d5a27ed362ec5151484ff715e4dec8df1d206
[INFO] running `Command { std: "docker" "start" "-a" "cc98a9ad90b9f6168c51701fcc6d5a27ed362ec5151484ff715e4dec8df1d206", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/undo_2-0a6922a0c4411e29)
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::simplify ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/iter_realized.rs (/opt/rustwide/target/debug/deps/iter_realized-323735337e1b23b7)
[INFO] [stderr]      Running tests/merge.rs (/opt/rustwide/target/debug/deps/merge-060f070d681acbe6)
[INFO] [stderr]      Running tests/redo.rs (/opt/rustwide/target/debug/deps/redo-183a765e80d7e670)
[INFO] [stderr]      Running tests/remove_undone.rs (/opt/rustwide/target/debug/deps/remove_undone-101970a60a6c6362)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/splice.rs (/opt/rustwide/target/debug/deps/splice-95a74dbe303458af)
[INFO] [stdout] running 1 test
[INFO] [stdout] test iter_realized ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test merge ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test redo ... ok
[INFO] [stdout] test redo_all ... 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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test remove_undone ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test splice_with_undos ... ok
[INFO] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-bd4bd676eee1e450)
[INFO] [stdout] test splice_without_undos ... 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] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running tests/unbuild.rs (/opt/rustwide/target/debug/deps/unbuild-ba82d7471ab5443d)
[INFO] [stdout] test serde ... ok
[INFO] [stdout] test command_sequence ... ok
[INFO] [stdout] test application ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test unbuild ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/undo.rs (/opt/rustwide/target/debug/deps/undo-9d00e4058a77abfd)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests undo_2
[INFO] [stdout] test undo ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] warning: unexpected character `[`
[INFO] [stderr]    --> src/../README.md:1:1
[INFO] [stderr]     |
[INFO] [stderr]   1 | / # Undo done the right way!
[INFO] [stderr]   2 | |
[INFO] [stderr]   3 | | ## Introduction
[INFO] [stderr] ...   |
[INFO] [stderr] 253 | | [zaboople/klonk]:https://github.com/zaboople/klonk/blob/master/TheGURQ.md
[INFO] [stderr] 254 | |
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(rustdoc::invalid_codeblock_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test src/lib.rs - (line 179) ... ignored
[INFO] [stdout] test src/lib.rs - (line 65) ... ignored
[INFO] [stdout] test src/lib.rs - CommandItem (line 41) ... ok
[INFO] [stdout] test src/lib.rs - Commands<T>::is_undoing (line 531) ... ok
[INFO] [stdout] test src/lib.rs - (line 75) ... ok
[INFO] [stdout] test src/lib.rs - Commands<T>::iter_realized (line 922) ... ok
[INFO] [stdout] test src/lib.rs - Commands<T>::keep_last (line 766) ... ok
[INFO] [stdout] test src/lib.rs - Commands<T>::redo_repeat (line 451) ... ok
[INFO] [stdout] test src/lib.rs - Commands<T>::redo_all (line 494) ... ok
[INFO] [stdout] test src/lib.rs - Commands<T>::merge (line 973) ... ok
[INFO] [stdout] test src/lib.rs - Commands<T>::current_command_index (line 567) ... ok
[INFO] [stdout] test src/lib.rs - Commands<T>::push (line 240) ... ok
[INFO] [stdout] test src/lib.rs - Commands<T>::clear (line 666) ... ok
[INFO] [stdout] test src/lib.rs - Commands<T>::redo (line 423) ... ok
[INFO] [stdout] test src/lib.rs - Commands (line 81) ... ok
[INFO] [stdout] test src/lib.rs - Commands<T>::remove_first (line 832) ... ok
[INFO] [stdout] test src/lib.rs - Commands<T>::undo (line 265) ... ok
[INFO] [stdout] test src/lib.rs - Commands<T>::splice (line 1041) ... ok
[INFO] [stdout] test src/lib.rs - Commands<T>::unbuild (line 372) ... ok
[INFO] [stdout] test src/lib.rs - Commands<T>::remove_undone (line 1161) ... ok
[INFO] [stdout] test src/lib.rs - Commands<T>::remove_until (line 697) ... ok
[INFO] [stdout] test src/lib.rs - Commands<T>::remove_all_undone (line 1133) ... ok
[INFO] [stdout] test src/lib.rs - Commands<T>::undo_or_redo_to_index (line 602) ... ok
[INFO] [stdout] test src/lib.rs - Commands<T>::undo_repeat (line 312) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 2.06s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cc98a9ad90b9f6168c51701fcc6d5a27ed362ec5151484ff715e4dec8df1d206", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc98a9ad90b9f6168c51701fcc6d5a27ed362ec5151484ff715e4dec8df1d206", kill_on_drop: false }`
[INFO] [stdout] cc98a9ad90b9f6168c51701fcc6d5a27ed362ec5151484ff715e4dec8df1d206