[INFO] fetching crate regenerator 0.1.2...
[INFO] testing regenerator-0.1.2 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate regenerator 0.1.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate regenerator 0.1.2
[INFO] finished tweaking crates.io crate regenerator 0.1.2
[INFO] tweaked toml for crates.io crate regenerator 0.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate regenerator 0.1.2 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]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 35 packages to latest compatible versions
[INFO] [stderr]       Adding derive_builder v0.12.0 (available: v0.20.2)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding regex-automata v0.3.9 (available: v0.4.11)
[INFO] [stderr]       Adding regex-syntax v0.7.5 (available: v0.8.6)
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 7d0fe11eea1be2efdb1f29860a8a6b5554a8bcd4aec09fc3c85f31fcd6f2c8ca
[INFO] running `Command { std: "docker" "start" "-a" "7d0fe11eea1be2efdb1f29860a8a6b5554a8bcd4aec09fc3c85f31fcd6f2c8ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d0fe11eea1be2efdb1f29860a8a6b5554a8bcd4aec09fc3c85f31fcd6f2c8ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d0fe11eea1be2efdb1f29860a8a6b5554a8bcd4aec09fc3c85f31fcd6f2c8ca", kill_on_drop: false }`
[INFO] [stdout] 7d0fe11eea1be2efdb1f29860a8a6b5554a8bcd4aec09fc3c85f31fcd6f2c8ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 87b79a93922195dc5ec9aac43c889463bfc34a9137dfa5b73d314d56e7059554
[INFO] running `Command { std: "docker" "start" "-a" "87b79a93922195dc5ec9aac43c889463bfc34a9137dfa5b73d314d56e7059554", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex-automata v0.3.9
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling fuzzerang v0.1.2
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling derive_builder_core v0.12.0
[INFO] [stderr]    Compiling derive_builder_macro v0.12.0
[INFO] [stderr]    Compiling derive_builder v0.12.0
[INFO] [stderr]    Compiling regenerator v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.29s
[INFO] running `Command { std: "docker" "inspect" "87b79a93922195dc5ec9aac43c889463bfc34a9137dfa5b73d314d56e7059554", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87b79a93922195dc5ec9aac43c889463bfc34a9137dfa5b73d314d56e7059554", kill_on_drop: false }`
[INFO] [stdout] 87b79a93922195dc5ec9aac43c889463bfc34a9137dfa5b73d314d56e7059554
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 620f7f469fbf5f344324b86b2640311272d36d866fcc6e5c91ac4027161bddd8
[INFO] running `Command { std: "docker" "start" "-a" "620f7f469fbf5f344324b86b2640311272d36d866fcc6e5c91ac4027161bddd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling regenerator v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "620f7f469fbf5f344324b86b2640311272d36d866fcc6e5c91ac4027161bddd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "620f7f469fbf5f344324b86b2640311272d36d866fcc6e5c91ac4027161bddd8", kill_on_drop: false }`
[INFO] [stdout] 620f7f469fbf5f344324b86b2640311272d36d866fcc6e5c91ac4027161bddd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] a82cf64251b9cddfef75a6a3da7c4f1688d2e563cec18a07b23b60eb40025eec
[INFO] running `Command { std: "docker" "start" "-a" "a82cf64251b9cddfef75a6a3da7c4f1688d2e563cec18a07b23b60eb40025eec", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/regenerator-e89bace659c8d4a4)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::test_char_repetition_exact ... ok
[INFO] [stdout] test tests::test_char_repetition_range_max ... ok
[INFO] [stdout] test tests::test_class_one ... ok
[INFO] [stdout] test tests::test_char_repetition_range_min ... ok
[INFO] [stdout] test tests::test_class_range_one ... ok
[INFO] [stdout] test tests::test_literal ... ok
[INFO] [stdout] test tests::test_concat ... ok
[INFO] [stdout] test tests::test_json ... ok
[INFO] [stdout] test tests::test_class_negate_one ... ok
[INFO] [stdout] test tests::test_class_negate_range_one ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests regenerator
[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" "a82cf64251b9cddfef75a6a3da7c4f1688d2e563cec18a07b23b60eb40025eec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a82cf64251b9cddfef75a6a3da7c4f1688d2e563cec18a07b23b60eb40025eec", kill_on_drop: false }`
[INFO] [stdout] a82cf64251b9cddfef75a6a3da7c4f1688d2e563cec18a07b23b60eb40025eec