[INFO] fetching crate utf8-chars 3.0.5... [INFO] testing utf8-chars-3.0.5 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate utf8-chars 3.0.5 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate utf8-chars 3.0.5 [INFO] finished tweaking crates.io crate utf8-chars 3.0.5 [INFO] tweaked toml for crates.io crate utf8-chars 3.0.5 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate utf8-chars 3.0.5 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 24 packages to latest compatible versions [INFO] [stderr] Adding rand v0.8.5 (available: v0.9.2) [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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3a3e4b54e771ba864e63131bce2d4a1730c7e31a7ccafc9a988e4c2e2a5b2275 [INFO] running `Command { std: "docker" "start" "-a" "3a3e4b54e771ba864e63131bce2d4a1730c7e31a7ccafc9a988e4c2e2a5b2275", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3a3e4b54e771ba864e63131bce2d4a1730c7e31a7ccafc9a988e4c2e2a5b2275", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a3e4b54e771ba864e63131bce2d4a1730c7e31a7ccafc9a988e4c2e2a5b2275", kill_on_drop: false }` [INFO] [stdout] 3a3e4b54e771ba864e63131bce2d4a1730c7e31a7ccafc9a988e4c2e2a5b2275 [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=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] 26421a88067733b7f9c60365c17cceef2fd06f50ab762bbc5d776e0eccd49302 [INFO] running `Command { std: "docker" "start" "-a" "26421a88067733b7f9c60365c17cceef2fd06f50ab762bbc5d776e0eccd49302", kill_on_drop: false }` [INFO] [stderr] Compiling utf8-chars v3.0.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:134:14 [INFO] [stdout] | [INFO] [stdout] 134 | fn chars(&mut self) -> Chars { Chars(self) } [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` implied by `#[warn(warnings)]` [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 134 | fn chars(&mut self) -> Chars<'_, Self> { Chars(self) } [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:140:18 [INFO] [stdout] | [INFO] [stdout] 140 | fn chars_raw(&mut self) -> CharsRaw { CharsRaw(self) } [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 140 | fn chars_raw(&mut self) -> CharsRaw<'_, Self> { CharsRaw(self) } [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s [INFO] running `Command { std: "docker" "inspect" "26421a88067733b7f9c60365c17cceef2fd06f50ab762bbc5d776e0eccd49302", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "26421a88067733b7f9c60365c17cceef2fd06f50ab762bbc5d776e0eccd49302", kill_on_drop: false }` [INFO] [stdout] 26421a88067733b7f9c60365c17cceef2fd06f50ab762bbc5d776e0eccd49302 [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=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] aff61c24fa2d093c2215688b9e2cfa6fec8c22a509f6882b3ce37dd016ebc648 [INFO] running `Command { std: "docker" "start" "-a" "aff61c24fa2d093c2215688b9e2cfa6fec8c22a509f6882b3ce37dd016ebc648", kill_on_drop: false }` [INFO] [stderr] Compiling regex-syntax v0.8.8 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling quickcheck_macros v1.1.0 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:134:14 [INFO] [stdout] | [INFO] [stdout] 134 | fn chars(&mut self) -> Chars { Chars(self) } [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` implied by `#[warn(warnings)]` [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 134 | fn chars(&mut self) -> Chars<'_, Self> { Chars(self) } [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:140:18 [INFO] [stdout] | [INFO] [stdout] 140 | fn chars_raw(&mut self) -> CharsRaw { CharsRaw(self) } [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 140 | fn chars_raw(&mut self) -> CharsRaw<'_, Self> { CharsRaw(self) } [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling regex-automata v0.4.13 [INFO] [stderr] Compiling regex v1.12.2 [INFO] [stderr] Compiling env_logger v0.8.4 [INFO] [stderr] Compiling quickcheck v1.0.3 [INFO] [stderr] Compiling utf8-chars v3.0.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:134:14 [INFO] [stdout] | [INFO] [stdout] 134 | fn chars(&mut self) -> Chars { Chars(self) } [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` implied by `#[warn(warnings)]` [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 134 | fn chars(&mut self) -> Chars<'_, Self> { Chars(self) } [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:140:18 [INFO] [stdout] | [INFO] [stdout] 140 | fn chars_raw(&mut self) -> CharsRaw { CharsRaw(self) } [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 140 | fn chars_raw(&mut self) -> CharsRaw<'_, Self> { CharsRaw(self) } [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 8.60s [INFO] running `Command { std: "docker" "inspect" "aff61c24fa2d093c2215688b9e2cfa6fec8c22a509f6882b3ce37dd016ebc648", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aff61c24fa2d093c2215688b9e2cfa6fec8c22a509f6882b3ce37dd016ebc648", kill_on_drop: false }` [INFO] [stdout] aff61c24fa2d093c2215688b9e2cfa6fec8c22a509f6882b3ce37dd016ebc648 [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=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] 110172e9ff0bb955b299f16b3055335c5d776ef2a01b68833c2245ec54323e8a [INFO] running `Command { std: "docker" "start" "-a" "110172e9ff0bb955b299f16b3055335c5d776ef2a01b68833c2245ec54323e8a", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:134:14 [INFO] [stderr] | [INFO] [stderr] 134 | fn chars(&mut self) -> Chars { Chars(self) } [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/lib.rs:3:9 [INFO] [stderr] | [INFO] [stderr] 3 | #![deny(warnings)] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` implied by `#[warn(warnings)]` [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 134 | fn chars(&mut self) -> Chars<'_, Self> { Chars(self) } [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:140:18 [INFO] [stderr] | [INFO] [stderr] 140 | fn chars_raw(&mut self) -> CharsRaw { CharsRaw(self) } [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 140 | fn chars_raw(&mut self) -> CharsRaw<'_, Self> { CharsRaw(self) } [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `utf8-chars` (lib) generated 2 warnings (run `cargo fix --lib -p utf8-chars` to apply 2 suggestions) [INFO] [stderr] warning: `utf8-chars` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/utf8_chars-c3205514a5fa3d14) [INFO] [stdout] [INFO] [stdout] running 16 tests [INFO] [stdout] test tests::do_not_take_extra_bytes ... ok [INFO] [stdout] test tests::edgecase_three_four_bytes ... ok [INFO] [stdout] test tests::edgecase_two_three_bytes ... ok [INFO] [stdout] test tests::edgecase_one_two_bytes ... ok [INFO] [stdout] test tests::edgecase_four_bytes_max ... ok [INFO] [stdout] test tests::read_invalid_sequences ... ok [INFO] [stdout] test tests::read_io_incomplete_threebyte ... ok [INFO] [stdout] test tests::read_io_incomplete_twobyte ... ok [INFO] [stdout] test tests::read_io_valid_unicode ... ok [INFO] [stdout] test tests::read_surrogate ... ok [INFO] [stdout] test tests::read_valid_unicode ... ok [INFO] [stdout] test tests::read_value_out_of_range ... ok [INFO] [stdout] test tests::read_io_value_out_of_range ... ok [INFO] [stdout] test tests::read_valid_unicode_from_dyn_read ... ok [INFO] [stdout] test tests::read_array ... ok [INFO] [stdout] test tests::read_string ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stderr] Doc-tests utf8_chars [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - _DocTestReadme (line 19) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "110172e9ff0bb955b299f16b3055335c5d776ef2a01b68833c2245ec54323e8a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "110172e9ff0bb955b299f16b3055335c5d776ef2a01b68833c2245ec54323e8a", kill_on_drop: false }` [INFO] [stdout] 110172e9ff0bb955b299f16b3055335c5d776ef2a01b68833c2245ec54323e8a