[INFO] fetching crate to_and_fro 0.7.1... [INFO] testing to_and_fro-0.7.1 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate to_and_fro 0.7.1 into /workspace/builds/worker-0-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-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate to_and_fro 0.7.1 on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 20e911753565a4c5d96d2de86a7ef766e6b3fa970002947e28966410882b0b02 [INFO] running `Command { std: "docker" "start" "-a" "20e911753565a4c5d96d2de86a7ef766e6b3fa970002947e28966410882b0b02", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "20e911753565a4c5d96d2de86a7ef766e6b3fa970002947e28966410882b0b02", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "20e911753565a4c5d96d2de86a7ef766e6b3fa970002947e28966410882b0b02", kill_on_drop: false }` [INFO] [stdout] 20e911753565a4c5d96d2de86a7ef766e6b3fa970002947e28966410882b0b02 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2a9a578ce003eedf8490d850087fd10895ecae48df7c09658a528f3a2ed915a8 [INFO] running `Command { std: "docker" "start" "-a" "2a9a578ce003eedf8490d850087fd10895ecae48df7c09658a528f3a2ed915a8", kill_on_drop: false }` [INFO] [stderr] Compiling serde_json v1.0.135 [INFO] [stderr] Compiling anyhow v1.0.95 [INFO] [stderr] Compiling itoa v1.0.14 [INFO] [stderr] Compiling ryu v1.0.18 [INFO] [stderr] Compiling memchr v2.7.4 [INFO] [stderr] Compiling quote v1.0.38 [INFO] [stderr] Compiling serde v1.0.217 [INFO] [stderr] Compiling percent-encoding v2.3.1 [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 16.21s [INFO] running `Command { std: "docker" "inspect" "2a9a578ce003eedf8490d850087fd10895ecae48df7c09658a528f3a2ed915a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a9a578ce003eedf8490d850087fd10895ecae48df7c09658a528f3a2ed915a8", kill_on_drop: false }` [INFO] [stdout] 2a9a578ce003eedf8490d850087fd10895ecae48df7c09658a528f3a2ed915a8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 15ff542b988fb22a520739ec632e919e74a2f19cd18483b39664ee6cf78490dd [INFO] running `Command { std: "docker" "start" "-a" "15ff542b988fb22a520739ec632e919e74a2f19cd18483b39664ee6cf78490dd", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.93 [INFO] [stderr] Compiling unicode-ident v1.0.14 [INFO] [stderr] Compiling serde_json v1.0.135 [INFO] [stderr] Compiling anyhow v1.0.95 [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 serde 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 18.37s [INFO] running `Command { std: "docker" "inspect" "15ff542b988fb22a520739ec632e919e74a2f19cd18483b39664ee6cf78490dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "15ff542b988fb22a520739ec632e919e74a2f19cd18483b39664ee6cf78490dd", kill_on_drop: false }` [INFO] [stdout] 15ff542b988fb22a520739ec632e919e74a2f19cd18483b39664ee6cf78490dd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 6701751b02eeb4752a52442ad331a782735ba8071e46c6cd68f8dcb8844431a2 [INFO] running `Command { std: "docker" "start" "-a" "6701751b02eeb4752a52442ad331a782735ba8071e46c6cd68f8dcb8844431a2", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/to_and_fro-0dbc38cd657712b8) [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] [stderr] Running tests/casing.rs (/opt/rustwide/target/debug/deps/casing-06d6eb04a35107b1) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stderr] Running tests/default.rs (/opt/rustwide/target/debug/deps/default-ea059b691e59639d) [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] [stderr] Running tests/reject.rs (/opt/rustwide/target/debug/deps/reject-434e83d4d555d877) [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 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test tests::to_string_unaffected ... ok [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 0.00s [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::fail_from_str ... ok [INFO] [stdout] test tests::test_eq ... ok [INFO] [stdout] test tests::test_debug ... ok [INFO] [stdout] test tests::test_hash ... ok [INFO] [stdout] test tests::test_from_str ... ok [INFO] [stdout] test tests::test_display ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [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" "6701751b02eeb4752a52442ad331a782735ba8071e46c6cd68f8dcb8844431a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6701751b02eeb4752a52442ad331a782735ba8071e46c6cd68f8dcb8844431a2", kill_on_drop: false }` [INFO] [stdout] 6701751b02eeb4752a52442ad331a782735ba8071e46c6cd68f8dcb8844431a2