[INFO] fetching crate encoding_rs_rw 0.4.2... [INFO] testing encoding_rs_rw-0.4.2 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate encoding_rs_rw 0.4.2 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate encoding_rs_rw 0.4.2 [INFO] finished tweaking crates.io crate encoding_rs_rw 0.4.2 [INFO] tweaked toml for crates.io crate encoding_rs_rw 0.4.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate encoding_rs_rw 0.4.2 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] Locking 2 packages to latest compatible versions [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] 5483d1d740b6b2ab9b01a7281ce30bd8a6bc2e7486d519b9b4f5a7a9ba38d434 [INFO] running `Command { std: "docker" "start" "-a" "5483d1d740b6b2ab9b01a7281ce30bd8a6bc2e7486d519b9b4f5a7a9ba38d434", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5483d1d740b6b2ab9b01a7281ce30bd8a6bc2e7486d519b9b4f5a7a9ba38d434", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5483d1d740b6b2ab9b01a7281ce30bd8a6bc2e7486d519b9b4f5a7a9ba38d434", kill_on_drop: false }` [INFO] [stdout] 5483d1d740b6b2ab9b01a7281ce30bd8a6bc2e7486d519b9b4f5a7a9ba38d434 [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] bad477adbace561526f57dd89334d6cb5e6cb763c9741b9b48a0f1a2f5700b5c [INFO] running `Command { std: "docker" "start" "-a" "bad477adbace561526f57dd89334d6cb5e6cb763c9741b9b48a0f1a2f5700b5c", kill_on_drop: false }` [INFO] [stderr] Compiling encoding_rs v0.8.35 [INFO] [stderr] Compiling encoding_rs_rw v0.4.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/writer.rs:279:24 [INFO] [stdout] | [INFO] [stdout] 279 | pub fn passthrough(&mut self) -> PassthroughWriter { [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: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 279 | pub fn passthrough(&mut self) -> PassthroughWriter<'_, B> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/writer.rs:322:27 [INFO] [stdout] | [INFO] [stdout] 320 | &'a mut self, [INFO] [stdout] | -- the lifetime is named here [INFO] [stdout] 321 | handler: impl FnMut(UnmappableError, &mut PassthroughWriter) -> io::Result<()> + 'a, [INFO] [stdout] 322 | ) -> impl io::Write + '_ { [INFO] [stdout] | ^^ the same 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: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 322 - ) -> impl io::Write + '_ { [INFO] [stdout] 322 + ) -> impl io::Write + 'a { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.04s [INFO] running `Command { std: "docker" "inspect" "bad477adbace561526f57dd89334d6cb5e6cb763c9741b9b48a0f1a2f5700b5c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bad477adbace561526f57dd89334d6cb5e6cb763c9741b9b48a0f1a2f5700b5c", kill_on_drop: false }` [INFO] [stdout] bad477adbace561526f57dd89334d6cb5e6cb763c9741b9b48a0f1a2f5700b5c [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] 48ea10a5effa02ad1340e9b3dd8955e0b8de8588ee8c843809b97d40356efb18 [INFO] running `Command { std: "docker" "start" "-a" "48ea10a5effa02ad1340e9b3dd8955e0b8de8588ee8c843809b97d40356efb18", kill_on_drop: false }` [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/writer.rs:279:24 [INFO] [stdout] | [INFO] [stdout] 279 | pub fn passthrough(&mut self) -> PassthroughWriter { [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: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 279 | pub fn passthrough(&mut self) -> PassthroughWriter<'_, B> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/writer.rs:322:27 [INFO] [stdout] | [INFO] [stdout] 320 | &'a mut self, [INFO] [stdout] | -- the lifetime is named here [INFO] [stdout] 321 | handler: impl FnMut(UnmappableError, &mut PassthroughWriter) -> io::Result<()> + 'a, [INFO] [stdout] 322 | ) -> impl io::Write + '_ { [INFO] [stdout] | ^^ the same 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: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 322 - ) -> impl io::Write + '_ { [INFO] [stdout] 322 + ) -> impl io::Write + 'a { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling encoding_rs_rw v0.4.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/writer.rs:279:24 [INFO] [stdout] | [INFO] [stdout] 279 | pub fn passthrough(&mut self) -> PassthroughWriter { [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: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 279 | pub fn passthrough(&mut self) -> PassthroughWriter<'_, B> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/writer.rs:322:27 [INFO] [stdout] | [INFO] [stdout] 320 | &'a mut self, [INFO] [stdout] | -- the lifetime is named here [INFO] [stdout] 321 | handler: impl FnMut(UnmappableError, &mut PassthroughWriter) -> io::Result<()> + 'a, [INFO] [stdout] 322 | ) -> impl io::Write + '_ { [INFO] [stdout] | ^^ the same 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: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 322 - ) -> impl io::Write + '_ { [INFO] [stdout] 322 + ) -> impl io::Write + 'a { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.02s [INFO] running `Command { std: "docker" "inspect" "48ea10a5effa02ad1340e9b3dd8955e0b8de8588ee8c843809b97d40356efb18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "48ea10a5effa02ad1340e9b3dd8955e0b8de8588ee8c843809b97d40356efb18", kill_on_drop: false }` [INFO] [stdout] 48ea10a5effa02ad1340e9b3dd8955e0b8de8588ee8c843809b97d40356efb18 [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] 0e6e78337617a981de9c7c58a4e6ea5393c8c68063f1f5e150d818c1288c1352 [INFO] running `Command { std: "docker" "start" "-a" "0e6e78337617a981de9c7c58a4e6ea5393c8c68063f1f5e150d818c1288c1352", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/writer.rs:279:24 [INFO] [stderr] | [INFO] [stderr] 279 | pub fn passthrough(&mut self) -> PassthroughWriter { [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: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 279 | pub fn passthrough(&mut self) -> PassthroughWriter<'_, B> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stderr] --> src/writer.rs:322:27 [INFO] [stderr] | [INFO] [stderr] 320 | &'a mut self, [INFO] [stderr] | -- the lifetime is named here [INFO] [stderr] 321 | handler: impl FnMut(UnmappableError, &mut PassthroughWriter) -> io::Result<()> + 'a, [INFO] [stderr] 322 | ) -> impl io::Write + '_ { [INFO] [stderr] | ^^ the same 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: consistently use `'a` [INFO] [stderr] | [INFO] [stderr] 322 - ) -> impl io::Write + '_ { [INFO] [stderr] 322 + ) -> impl io::Write + 'a { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `encoding_rs_rw` (lib) generated 2 warnings (run `cargo fix --lib -p encoding_rs_rw` to apply 2 suggestions) [INFO] [stderr] warning: `encoding_rs_rw` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/encoding_rs_rw-1d251989898016ee) [INFO] [stdout] [INFO] [stdout] running 22 tests [INFO] [stdout] test reader::tests::trailing_malformed_bytes ... ok [INFO] [stdout] test tests::ex_readme_examples ... ok [INFO] [stdout] test error::tests::unwrap_malformed_error ... ok [INFO] [stdout] test error::tests::unwrap_unmappable_error ... ok [INFO] [stdout] test writer::tests::finish_iso_2022_jp ... ok [INFO] [stdout] test writer::tests::malformed_utf8 ... ok [INFO] [stdout] test writer::tests::propagate_error_from_handler ... ok [INFO] [stdout] test writer::tests::iso_2022_jp_at_unmappable ... ok [INFO] [stdout] test writer::tests::trailing_unmappable_char ... ok [INFO] [stdout] test tests::ja::lossy_reader_high_level_api ... ok [INFO] [stdout] test tests::ja::lossy_unfused_reader_high_level_api ... ok [INFO] [stdout] test tests::ja::lossy_reader_byte_by_byte ... ok [INFO] [stdout] test tests::ja::unfused_reader_high_level_api ... ok [INFO] [stdout] test tests::ja::reader_high_level_api ... ok [INFO] [stdout] test tests::ja::unfused_reader_byte_by_byte ... ok [INFO] [stdout] test tests::ja::reader_byte_by_byte ... ok [INFO] [stdout] test tests::ja::lossy_unfused_reader_byte_by_byte ... ok [INFO] [stdout] test tests::ja::writer_high_level_api ... ok [INFO] [stdout] test tests::ja::writer_byte_by_byte ... ok [INFO] [stdout] test tests::ja::reader_malformed_bytes ... ok [INFO] [stdout] test tests::ja::writer_unmappable_char_with_handler ... ok [INFO] [stdout] test tests::ja::writer_unmappable_char ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.40s [INFO] [stdout] [INFO] [stderr] Doc-tests encoding_rs_rw [INFO] [stdout] [INFO] [stdout] running 11 tests [INFO] [stdout] test src/lib.rs - (line 33) - compile ... ok [INFO] [stdout] test src/lib.rs - (line 7) - compile ... ok [INFO] [stdout] test src/reader.rs - reader::DecodingReader::lossy (line 140) ... ok [INFO] [stdout] test src/writer.rs - writer::EncodingWriter (line 54) ... ok [INFO] [stdout] test src/error.rs - error::UnmappableError (line 85) ... ok [INFO] [stdout] test src/writer.rs - writer::EncodingWriter::passthrough (line 266) ... ok [INFO] [stdout] test src/reader.rs - reader::DecodingReader (line 35) ... ok [INFO] [stdout] test src/reader.rs - reader::DecodingReader::lossy_unfused (line 170) ... ok [INFO] [stdout] test src/error.rs - error::MalformedError (line 21) ... ok [INFO] [stdout] test src/reader.rs - reader::DecodingReader::unfused (line 112) ... ok [INFO] [stdout] test src/writer.rs - writer::EncodingWriter::with_unmappable_handler (line 303) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.08s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "0e6e78337617a981de9c7c58a4e6ea5393c8c68063f1f5e150d818c1288c1352", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e6e78337617a981de9c7c58a4e6ea5393c8c68063f1f5e150d818c1288c1352", kill_on_drop: false }` [INFO] [stdout] 0e6e78337617a981de9c7c58a4e6ea5393c8c68063f1f5e150d818c1288c1352