[INFO] fetching crate difflib 0.4.0...
[INFO] testing difflib-0.4.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate difflib 0.4.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate difflib 0.4.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate difflib 0.4.0
[INFO] tweaked toml for crates.io crate difflib 0.4.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate difflib 0.4.0 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] 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] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[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] 717becfc58d3ec44672da26128202d6dc708cb505e40e1f43ddde66cfff51774
[INFO] running `Command { std: "docker" "start" "-a" "717becfc58d3ec44672da26128202d6dc708cb505e40e1f43ddde66cfff51774", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "717becfc58d3ec44672da26128202d6dc708cb505e40e1f43ddde66cfff51774", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "717becfc58d3ec44672da26128202d6dc708cb505e40e1f43ddde66cfff51774", kill_on_drop: false }`
[INFO] [stdout] 717becfc58d3ec44672da26128202d6dc708cb505e40e1f43ddde66cfff51774
[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] d52c752cc01cb29d2f2a5e5e749930988493bd8ae8d2bdd90dbee5fe2a1e0fab
[INFO] running `Command { std: "docker" "start" "-a" "d52c752cc01cb29d2f2a5e5e749930988493bd8ae8d2bdd90dbee5fe2a1e0fab", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling difflib v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/differ.rs:271:52
[INFO] [stdout]     |
[INFO] [stdout] 271 |         first_tags = first_tags.split_at(common).1.trim_right();
[INFO] [stdout]     |                                                    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 271 -         first_tags = first_tags.split_at(common).1.trim_right();
[INFO] [stdout] 271 +         first_tags = first_tags.split_at(common).1.trim_end();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/differ.rs:272:54
[INFO] [stdout]     |
[INFO] [stdout] 272 |         second_tags = second_tags.split_at(common).1.trim_right();
[INFO] [stdout]     |                                                      ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 272 -         second_tags = second_tags.split_at(common).1.trim_right();
[INFO] [stdout] 272 +         second_tags = second_tags.split_at(common).1.trim_end();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/sequencematcher.rs:117:17
[INFO] [stdout]     |
[INFO] [stdout] 117 |             let mut counter = second_sequence_elements
[INFO] [stdout]     |                 ----^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "d52c752cc01cb29d2f2a5e5e749930988493bd8ae8d2bdd90dbee5fe2a1e0fab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d52c752cc01cb29d2f2a5e5e749930988493bd8ae8d2bdd90dbee5fe2a1e0fab", kill_on_drop: false }`
[INFO] [stdout] d52c752cc01cb29d2f2a5e5e749930988493bd8ae8d2bdd90dbee5fe2a1e0fab
[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] 683ca91be731dfb7b75b448f5bca58299eb88691cdcaf18ab8f4e57746f9369c
[INFO] running `Command { std: "docker" "start" "-a" "683ca91be731dfb7b75b448f5bca58299eb88691cdcaf18ab8f4e57746f9369c", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/differ.rs:271:52
[INFO] [stdout]     |
[INFO] [stdout] 271 |         first_tags = first_tags.split_at(common).1.trim_right();
[INFO] [stdout]     |                                                    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 271 -         first_tags = first_tags.split_at(common).1.trim_right();
[INFO] [stdout] 271 +         first_tags = first_tags.split_at(common).1.trim_end();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling difflib v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/differ.rs:272:54
[INFO] [stdout]     |
[INFO] [stdout] 272 |         second_tags = second_tags.split_at(common).1.trim_right();
[INFO] [stdout]     |                                                      ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 272 -         second_tags = second_tags.split_at(common).1.trim_right();
[INFO] [stdout] 272 +         second_tags = second_tags.split_at(common).1.trim_end();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/sequencematcher.rs:117:17
[INFO] [stdout]     |
[INFO] [stdout] 117 |             let mut counter = second_sequence_elements
[INFO] [stdout]     |                 ----^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/differ.rs:271:52
[INFO] [stdout]     |
[INFO] [stdout] 271 |         first_tags = first_tags.split_at(common).1.trim_right();
[INFO] [stdout]     |                                                    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 271 -         first_tags = first_tags.split_at(common).1.trim_right();
[INFO] [stdout] 271 +         first_tags = first_tags.split_at(common).1.trim_end();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]    --> src/differ.rs:272:54
[INFO] [stdout]     |
[INFO] [stdout] 272 |         second_tags = second_tags.split_at(common).1.trim_right();
[INFO] [stdout]     |                                                      ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 272 -         second_tags = second_tags.split_at(common).1.trim_right();
[INFO] [stdout] 272 +         second_tags = second_tags.split_at(common).1.trim_end();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/sequencematcher.rs:117:17
[INFO] [stdout]     |
[INFO] [stdout] 117 |             let mut counter = second_sequence_elements
[INFO] [stdout]     |                 ----^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "683ca91be731dfb7b75b448f5bca58299eb88691cdcaf18ab8f4e57746f9369c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "683ca91be731dfb7b75b448f5bca58299eb88691cdcaf18ab8f4e57746f9369c", kill_on_drop: false }`
[INFO] [stdout] 683ca91be731dfb7b75b448f5bca58299eb88691cdcaf18ab8f4e57746f9369c
[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] 7bf39f41637d7ce8118cad5d0e19dd59c4ab416e3db850c06a66c7f92873b446
[INFO] running `Command { std: "docker" "start" "-a" "7bf39f41637d7ce8118cad5d0e19dd59c4ab416e3db850c06a66c7f92873b446", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: use of deprecated method `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stderr]    --> src/differ.rs:271:52
[INFO] [stderr]     |
[INFO] [stderr] 271 |         first_tags = first_tags.split_at(common).1.trim_right();
[INFO] [stderr]     |                                                    ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] help: replace the use of the deprecated method
[INFO] [stderr]     |
[INFO] [stderr] 271 -         first_tags = first_tags.split_at(common).1.trim_right();
[INFO] [stderr] 271 +         first_tags = first_tags.split_at(common).1.trim_end();
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stderr]    --> src/differ.rs:272:54
[INFO] [stderr]     |
[INFO] [stderr] 272 |         second_tags = second_tags.split_at(common).1.trim_right();
[INFO] [stderr]     |                                                      ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: replace the use of the deprecated method
[INFO] [stderr]     |
[INFO] [stderr] 272 -         second_tags = second_tags.split_at(common).1.trim_right();
[INFO] [stderr] 272 +         second_tags = second_tags.split_at(common).1.trim_end();
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/sequencematcher.rs:117:17
[INFO] [stderr]     |
[INFO] [stderr] 117 |             let mut counter = second_sequence_elements
[INFO] [stderr]     |                 ----^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `difflib` (lib) generated 3 warnings (run `cargo fix --lib -p difflib` to apply 3 suggestions)
[INFO] [stderr] warning: `difflib` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/difflib-34c86bb1576bfb87)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test differ::test_qformat ... ok
[INFO] [stdout] test differ::test_fancy_replace ... 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]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-9287a727cddde545)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test test_all_matches ... ok
[INFO] [stdout] test test_context_diff ... ok
[INFO] [stdout] test test_integer_slice ... ok
[INFO] [stdout] test test_differ_restore ... ok
[INFO] [stdout] test test_get_opcodes ... ok
[INFO] [stdout] test test_longest_match ... ok
[INFO] [stdout] test test_ratio ... ok
[INFO] [stdout] test test_unified_diff ... ok
[INFO] [stdout] test test_differ_compare_with_func ... ok
[INFO] [stdout] test test_differ_compare ... ok
[INFO] [stdout] test test_get_close_matches ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests difflib
[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] running `Command { std: "docker" "inspect" "7bf39f41637d7ce8118cad5d0e19dd59c4ab416e3db850c06a66c7f92873b446", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bf39f41637d7ce8118cad5d0e19dd59c4ab416e3db850c06a66c7f92873b446", kill_on_drop: false }`
[INFO] [stdout] 7bf39f41637d7ce8118cad5d0e19dd59c4ab416e3db850c06a66c7f92873b446
