[INFO] fetching crate utf8-read 0.4.0... [INFO] testing utf8-read-0.4.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2 [INFO] extracting crate utf8-read 0.4.0 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate utf8-read 0.4.0 [INFO] finished tweaking crates.io crate utf8-read 0.4.0 [INFO] tweaked toml for crates.io crate utf8-read 0.4.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate utf8-read 0.4.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1e52fc3e7ed972e3b3802af21cd922afc80aa0957689f8a4e14c13c9f4d1cea1 [INFO] running `Command { std: "docker" "start" "-a" "1e52fc3e7ed972e3b3802af21cd922afc80aa0957689f8a4e14c13c9f4d1cea1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1e52fc3e7ed972e3b3802af21cd922afc80aa0957689f8a4e14c13c9f4d1cea1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e52fc3e7ed972e3b3802af21cd922afc80aa0957689f8a4e14c13c9f4d1cea1", kill_on_drop: false }` [INFO] [stdout] 1e52fc3e7ed972e3b3802af21cd922afc80aa0957689f8a4e14c13c9f4d1cea1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 511fb561b43f2b746442d11c727ab1aca1cb538cc483f34e2709f53c54c2ecab [INFO] running `Command { std: "docker" "start" "-a" "511fb561b43f2b746442d11c727ab1aca1cb538cc483f34e2709f53c54c2ecab", kill_on_drop: false }` [INFO] [stderr] Compiling utf8-read v0.4.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s [INFO] running `Command { std: "docker" "inspect" "511fb561b43f2b746442d11c727ab1aca1cb538cc483f34e2709f53c54c2ecab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "511fb561b43f2b746442d11c727ab1aca1cb538cc483f34e2709f53c54c2ecab", kill_on_drop: false }` [INFO] [stdout] 511fb561b43f2b746442d11c727ab1aca1cb538cc483f34e2709f53c54c2ecab [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f1356a3ff624e72e490e7429088499f6a9c23f9efcfa85f04854e22f6e16f55b [INFO] running `Command { std: "docker" "start" "-a" "f1356a3ff624e72e490e7429088499f6a9c23f9efcfa85f04854e22f6e16f55b", kill_on_drop: false }` [INFO] [stderr] Compiling utf8-read v0.4.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.00s [INFO] running `Command { std: "docker" "inspect" "f1356a3ff624e72e490e7429088499f6a9c23f9efcfa85f04854e22f6e16f55b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f1356a3ff624e72e490e7429088499f6a9c23f9efcfa85f04854e22f6e16f55b", kill_on_drop: false }` [INFO] [stdout] f1356a3ff624e72e490e7429088499f6a9c23f9efcfa85f04854e22f6e16f55b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e56bfda1a099a30018313a1795df2bd4516b5afd6f59a179b37f26c6f5cd4356 [INFO] running `Command { std: "docker" "start" "-a" "e56bfda1a099a30018313a1795df2bd4516b5afd6f59a179b37f26c6f5cd4356", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/utf8_read-b7108043b255abdf) [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/string.rs (/opt/rustwide/target/debug/deps/string-261831e489e967bd) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test test_hello ... ok [INFO] [stdout] test test_utf8_short ... ok [INFO] [stdout] test test_longer ... ok [INFO] [stdout] test test_utf8_long ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stderr] Running tests/targeted.rs (/opt/rustwide/target/debug/deps/targeted-97b31f4f8422ebf7) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test_me ... 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] Doc-tests utf8_read [INFO] [stderr] warning: lint `missing_doc_code_examples` has been renamed to `rustdoc::missing_doc_code_examples` [INFO] [stderr] --> src/lib.rs:21:9 [INFO] [stderr] | [INFO] [stderr] 21 | #![warn(missing_doc_code_examples)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `rustdoc::missing_doc_code_examples` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(renamed_and_removed_lints)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unknown lint: `rustdoc::missing_doc_code_examples` [INFO] [stderr] --> src/lib.rs:21:9 [INFO] [stderr] | [INFO] [stderr] 21 | #![warn(missing_doc_code_examples)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: the `rustdoc::missing_doc_code_examples` lint is unstable [INFO] [stderr] = note: see issue #101730 for more information [INFO] [stderr] = help: add `#![feature(rustdoc_missing_doc_code_examples)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2026-03-22; consider upgrading it if it is out of date [INFO] [stderr] = note: `#[warn(unknown_lints)]` on by default [INFO] [stderr] [INFO] [stderr] warning: lint `missing_doc_code_examples` has been renamed to `rustdoc::missing_doc_code_examples` [INFO] [stderr] --> src/reader.rs:304:9 [INFO] [stderr] | [INFO] [stderr] 304 | #[allow(missing_doc_code_examples)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `rustdoc::missing_doc_code_examples` [INFO] [stderr] [INFO] [stderr] warning: unknown lint: `rustdoc::missing_doc_code_examples` [INFO] [stderr] --> src/reader.rs:304:9 [INFO] [stderr] | [INFO] [stderr] 304 | #[allow(missing_doc_code_examples)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: the `rustdoc::missing_doc_code_examples` lint is unstable [INFO] [stderr] = note: see issue #101730 for more information [INFO] [stderr] = help: add `#![feature(rustdoc_missing_doc_code_examples)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2026-03-22; consider upgrading it if it is out of date [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test src/reader.rs - reader::Reader (line 40) ... ok [INFO] [stdout] test src/lib.rs - (line 58) ... ok [INFO] [stdout] test src/lib.rs - (line 45) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.45s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "e56bfda1a099a30018313a1795df2bd4516b5afd6f59a179b37f26c6f5cd4356", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e56bfda1a099a30018313a1795df2bd4516b5afd6f59a179b37f26c6f5cd4356", kill_on_drop: false }` [INFO] [stdout] e56bfda1a099a30018313a1795df2bd4516b5afd6f59a179b37f26c6f5cd4356