[INFO] fetching crate to_and_fro 0.7.1...
[INFO] testing to_and_fro-0.7.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate to_and_fro 0.7.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate to_and_fro 0.7.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate to_and_fro 0.7.1
[INFO] tweaked toml for crates.io crate to_and_fro 0.7.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate to_and_fro 0.7.1 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] crate crates.io crate to_and_fro 0.7.1 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] 92ab9bc4240590740699fe9ade64ed06df0fe701ff7a0c3068a35b14f202fabf
[INFO] running `Command { std: "docker" "start" "-a" "92ab9bc4240590740699fe9ade64ed06df0fe701ff7a0c3068a35b14f202fabf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92ab9bc4240590740699fe9ade64ed06df0fe701ff7a0c3068a35b14f202fabf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92ab9bc4240590740699fe9ade64ed06df0fe701ff7a0c3068a35b14f202fabf", kill_on_drop: false }`
[INFO] [stdout] 92ab9bc4240590740699fe9ade64ed06df0fe701ff7a0c3068a35b14f202fabf
[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] 6c57f5d83ea02909965f4f94e502c0ae659e38deefa3a63dbbc4bc1bb9dc3ef4
[INFO] running `Command { std: "docker" "start" "-a" "6c57f5d83ea02909965f4f94e502c0ae659e38deefa3a63dbbc4bc1bb9dc3ef4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling serde_json v1.0.135
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling to_and_fro v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.21s
[INFO] running `Command { std: "docker" "inspect" "6c57f5d83ea02909965f4f94e502c0ae659e38deefa3a63dbbc4bc1bb9dc3ef4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c57f5d83ea02909965f4f94e502c0ae659e38deefa3a63dbbc4bc1bb9dc3ef4", kill_on_drop: false }`
[INFO] [stdout] 6c57f5d83ea02909965f4f94e502c0ae659e38deefa3a63dbbc4bc1bb9dc3ef4
[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] 762ab8fe257f86ab8094a6e08836d6397658ae9832fa13a4b367894a72adefc8
[INFO] running `Command { std: "docker" "start" "-a" "762ab8fe257f86ab8094a6e08836d6397658ae9832fa13a4b367894a72adefc8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]    Compiling serde_json v1.0.135
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling to_and_fro v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 14.38s
[INFO] running `Command { std: "docker" "inspect" "762ab8fe257f86ab8094a6e08836d6397658ae9832fa13a4b367894a72adefc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "762ab8fe257f86ab8094a6e08836d6397658ae9832fa13a4b367894a72adefc8", kill_on_drop: false }`
[INFO] [stdout] 762ab8fe257f86ab8094a6e08836d6397658ae9832fa13a4b367894a72adefc8
[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] eaf25a22964d126b08c8d6ad7833dcf158893d334b0ecb03d7118aa726eecbb2
[INFO] running `Command { std: "docker" "start" "-a" "eaf25a22964d126b08c8d6ad7833dcf158893d334b0ecb03d7118aa726eecbb2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/to_and_fro-0dbc38cd657712b8)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/casing.rs (/opt/rustwide/target/debug/deps/casing-06d6eb04a35107b1)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/default.rs (/opt/rustwide/target/debug/deps/default-ea059b691e59639d)
[INFO] [stdout] test result: ok. 0 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 tests::basic_casing ... ok
[INFO] [stdout] test tests::casing_with_defaults ... 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] [stdout] test tests::try_from_str ... ok
[INFO] [stdout] test tests::default_impl ... ok
[INFO] [stdout] test tests::default_on_fallback ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::to_string_unaffected ... ok
[INFO] [stderr]      Running tests/reject.rs (/opt/rustwide/target/debug/deps/reject-434e83d4d555d877)
[INFO] [stdout] test tests::reject_to_default ... ok
[INFO] [stderr]      Running tests/serde.rs (/opt/rustwide/target/debug/deps/serde-7d96fee1401d0066)
[INFO] [stdout] test tests::reject ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::deserialize_kebab ... ok
[INFO] [stdout] test tests::serde_kebab ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/standard.rs (/opt/rustwide/target/debug/deps/standard-e86c8099eabb6328)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::test_display ... ok
[INFO] [stdout] test tests::test_debug ... ok
[INFO] [stdout] test tests::fail_from_str ... ok
[INFO] [stdout] test tests::test_eq ... ok
[INFO] [stdout] test tests::test_from_str ... ok
[INFO] [stdout] test tests::test_hash ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests to_and_fro
[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" "eaf25a22964d126b08c8d6ad7833dcf158893d334b0ecb03d7118aa726eecbb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaf25a22964d126b08c8d6ad7833dcf158893d334b0ecb03d7118aa726eecbb2", kill_on_drop: false }`
[INFO] [stdout] eaf25a22964d126b08c8d6ad7833dcf158893d334b0ecb03d7118aa726eecbb2