[INFO] fetching crate stable-pattern 0.1.0... [INFO] testing stable-pattern-0.1.0 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate stable-pattern 0.1.0 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate stable-pattern 0.1.0 [INFO] finished tweaking crates.io crate stable-pattern 0.1.0 [INFO] tweaked toml for crates.io crate stable-pattern 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate stable-pattern 0.1.0 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 1 package to latest compatible version [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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 8c8d6de03ec15e7d270712f3bcff4603e76505ef50c0ec96a329d4b39854b5ae [INFO] running `Command { std: "docker" "start" "-a" "8c8d6de03ec15e7d270712f3bcff4603e76505ef50c0ec96a329d4b39854b5ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8c8d6de03ec15e7d270712f3bcff4603e76505ef50c0ec96a329d4b39854b5ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c8d6de03ec15e7d270712f3bcff4603e76505ef50c0ec96a329d4b39854b5ae", kill_on_drop: false }` [INFO] [stdout] 8c8d6de03ec15e7d270712f3bcff4603e76505ef50c0ec96a329d4b39854b5ae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 901377e7b7bc35642f554265c80292910e1c2765c2d89ac29a1f1fd40f6ec095 [INFO] running `Command { std: "docker" "start" "-a" "901377e7b7bc35642f554265c80292910e1c2765c2d89ac29a1f1fd40f6ec095", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.7.6 [INFO] [stderr] Compiling stable-pattern v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.04s [INFO] running `Command { std: "docker" "inspect" "901377e7b7bc35642f554265c80292910e1c2765c2d89ac29a1f1fd40f6ec095", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "901377e7b7bc35642f554265c80292910e1c2765c2d89ac29a1f1fd40f6ec095", kill_on_drop: false }` [INFO] [stdout] 901377e7b7bc35642f554265c80292910e1c2765c2d89ac29a1f1fd40f6ec095 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 67f6597a312c99e3dc081932beb3369513f838b5f1b175020003954cca474ba9 [INFO] running `Command { std: "docker" "start" "-a" "67f6597a312c99e3dc081932beb3369513f838b5f1b175020003954cca474ba9", kill_on_drop: false }` [INFO] [stderr] Compiling stable-pattern v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.69s [INFO] running `Command { std: "docker" "inspect" "67f6597a312c99e3dc081932beb3369513f838b5f1b175020003954cca474ba9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "67f6597a312c99e3dc081932beb3369513f838b5f1b175020003954cca474ba9", kill_on_drop: false }` [INFO] [stdout] 67f6597a312c99e3dc081932beb3369513f838b5f1b175020003954cca474ba9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 308a5f70169c7447813afae80894db9cb073714cfa506c0592e4125beb03829d [INFO] running `Command { std: "docker" "start" "-a" "308a5f70169c7447813afae80894db9cb073714cfa506c0592e4125beb03829d", 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/stable_pattern-d13adb85671fdb28) [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] Doc-tests stable_pattern [INFO] [stdout] [INFO] [stdout] running 12 tests [INFO] [stdout] test src/split.rs - split::Split<'a,P>::as_str (line 385) ... FAILED [INFO] [stdout] test src/split.rs - split::RSplitN<'a,P>::as_str (line 575) ... FAILED [INFO] [stdout] test src/split.rs - split::RSplit<'a,P>::as_str (line 404) ... FAILED [INFO] [stdout] test src/split.rs - split::SplitTerminator<'a,P>::as_str (line 439) ... FAILED [INFO] [stdout] test src/split.rs - split::RSplitTerminator<'a,P>::as_str (line 458) ... FAILED [INFO] [stdout] test src/split.rs - split::SplitN<'a,P>::as_str (line 556) ... FAILED [INFO] [stdout] test src/pattern.rs - pattern::&'bstr (line 852) ... ok [INFO] [stdout] test src/pattern.rs - pattern::&'b[char] (line 772) ... ok [INFO] [stdout] test src/pattern.rs - pattern::Pattern (line 65) ... ok [INFO] [stdout] test src/pattern.rs - pattern (line 18) ... ok [INFO] [stdout] test src/pattern.rs - pattern::char (line 521) ... ok [INFO] [stdout] test src/pattern.rs - pattern::F (line 821) ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/split.rs - split::Split<'a,P>::as_str (line 385) stdout ---- [INFO] [stdout] error[E0599]: no method named `as_str` found for struct `std::str::Split<'a, P>` in the current scope [INFO] [stdout] --> src/split.rs:387:18 [INFO] [stdout] | [INFO] [stdout] 4 | assert_eq!(split.as_str(), "Mary had a little lamb"); [INFO] [stdout] | ^^^^^^ method not found in `std::str::Split<'_, char>` [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `as_str` found for struct `std::str::Split<'a, P>` in the current scope [INFO] [stdout] --> src/split.rs:389:18 [INFO] [stdout] | [INFO] [stdout] 6 | assert_eq!(split.as_str(), "had a little lamb"); [INFO] [stdout] | ^^^^^^ method not found in `std::str::Split<'_, char>` [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `as_str` found for struct `std::str::Split<'a, P>` in the current scope [INFO] [stdout] --> src/split.rs:391:18 [INFO] [stdout] | [INFO] [stdout] 8 | assert_eq!(split.as_str(), ""); [INFO] [stdout] | ^^^^^^ method not found in `std::str::Split<'_, char>` [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0599`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/split.rs - split::RSplitN<'a,P>::as_str (line 575) stdout ---- [INFO] [stdout] error[E0599]: no method named `as_str` found for struct `std::str::RSplitN<'a, P>` in the current scope [INFO] [stdout] --> src/split.rs:577:18 [INFO] [stdout] | [INFO] [stdout] 4 | assert_eq!(split.as_str(), "Mary had a little lamb"); [INFO] [stdout] | ^^^^^^ method not found in `std::str::RSplitN<'_, char>` [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `as_str` found for struct `std::str::RSplitN<'a, P>` in the current scope [INFO] [stdout] --> src/split.rs:579:18 [INFO] [stdout] | [INFO] [stdout] 6 | assert_eq!(split.as_str(), "Mary had a little"); [INFO] [stdout] | ^^^^^^ method not found in `std::str::RSplitN<'_, char>` [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `as_str` found for struct `std::str::RSplitN<'a, P>` in the current scope [INFO] [stdout] --> src/split.rs:581:18 [INFO] [stdout] | [INFO] [stdout] 8 | assert_eq!(split.as_str(), ""); [INFO] [stdout] | ^^^^^^ method not found in `std::str::RSplitN<'_, char>` [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0599`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/split.rs - split::RSplit<'a,P>::as_str (line 404) stdout ---- [INFO] [stdout] error[E0599]: no method named `as_str` found for struct `std::str::RSplit<'a, P>` in the current scope [INFO] [stdout] --> src/split.rs:406:18 [INFO] [stdout] | [INFO] [stdout] 4 | assert_eq!(split.as_str(), "Mary had a little lamb"); [INFO] [stdout] | ^^^^^^ method not found in `std::str::RSplit<'_, char>` [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `as_str` found for struct `std::str::RSplit<'a, P>` in the current scope [INFO] [stdout] --> src/split.rs:408:18 [INFO] [stdout] | [INFO] [stdout] 6 | assert_eq!(split.as_str(), "Mary had a little"); [INFO] [stdout] | ^^^^^^ method not found in `std::str::RSplit<'_, char>` [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `as_str` found for struct `std::str::RSplit<'a, P>` in the current scope [INFO] [stdout] --> src/split.rs:410:18 [INFO] [stdout] | [INFO] [stdout] 8 | assert_eq!(split.as_str(), ""); [INFO] [stdout] | ^^^^^^ method not found in `std::str::RSplit<'_, char>` [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0599`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/split.rs - split::SplitTerminator<'a,P>::as_str (line 439) stdout ---- [INFO] [stdout] error[E0599]: no method named `as_str` found for struct `SplitTerminator<'a, P>` in the current scope [INFO] [stdout] --> src/split.rs:441:18 [INFO] [stdout] | [INFO] [stdout] 4 | assert_eq!(split.as_str(), "A..B.."); [INFO] [stdout] | ^^^^^^ method not found in `SplitTerminator<'_, char>` [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `as_str` found for struct `SplitTerminator<'a, P>` in the current scope [INFO] [stdout] --> src/split.rs:443:18 [INFO] [stdout] | [INFO] [stdout] 6 | assert_eq!(split.as_str(), ".B.."); [INFO] [stdout] | ^^^^^^ method not found in `SplitTerminator<'_, char>` [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `as_str` found for struct `SplitTerminator<'a, P>` in the current scope [INFO] [stdout] --> src/split.rs:445:18 [INFO] [stdout] | [INFO] [stdout] 8 | assert_eq!(split.as_str(), ""); [INFO] [stdout] | ^^^^^^ method not found in `SplitTerminator<'_, char>` [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0599`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/split.rs - split::RSplitTerminator<'a,P>::as_str (line 458) stdout ---- [INFO] [stdout] error[E0599]: no method named `as_str` found for struct `RSplitTerminator<'a, P>` in the current scope [INFO] [stdout] --> src/split.rs:460:18 [INFO] [stdout] | [INFO] [stdout] 4 | assert_eq!(split.as_str(), "A..B.."); [INFO] [stdout] | ^^^^^^ method not found in `RSplitTerminator<'_, char>` [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `as_str` found for struct `RSplitTerminator<'a, P>` in the current scope [INFO] [stdout] --> src/split.rs:462:18 [INFO] [stdout] | [INFO] [stdout] 6 | assert_eq!(split.as_str(), "A..B"); [INFO] [stdout] | ^^^^^^ method not found in `RSplitTerminator<'_, char>` [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `as_str` found for struct `RSplitTerminator<'a, P>` in the current scope [INFO] [stdout] --> src/split.rs:464:18 [INFO] [stdout] | [INFO] [stdout] 8 | assert_eq!(split.as_str(), ""); [INFO] [stdout] | ^^^^^^ method not found in `RSplitTerminator<'_, char>` [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0599`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/split.rs - split::SplitN<'a,P>::as_str (line 556) stdout ---- [INFO] [stdout] error[E0599]: no method named `as_str` found for struct `std::str::SplitN<'a, P>` in the current scope [INFO] [stdout] --> src/split.rs:558:18 [INFO] [stdout] | [INFO] [stdout] 4 | assert_eq!(split.as_str(), "Mary had a little lamb"); [INFO] [stdout] | ^^^^^^ method not found in `std::str::SplitN<'_, char>` [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `as_str` found for struct `std::str::SplitN<'a, P>` in the current scope [INFO] [stdout] --> src/split.rs:560:18 [INFO] [stdout] | [INFO] [stdout] 6 | assert_eq!(split.as_str(), "had a little lamb"); [INFO] [stdout] | ^^^^^^ method not found in `std::str::SplitN<'_, char>` [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `as_str` found for struct `std::str::SplitN<'a, P>` in the current scope [INFO] [stdout] --> src/split.rs:562:18 [INFO] [stdout] | [INFO] [stdout] 8 | assert_eq!(split.as_str(), ""); [INFO] [stdout] | ^^^^^^ method not found in `std::str::SplitN<'_, char>` [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0599`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/split.rs - split::RSplit<'a,P>::as_str (line 404) [INFO] [stdout] src/split.rs - split::RSplitN<'a,P>::as_str (line 575) [INFO] [stdout] src/split.rs - split::RSplitTerminator<'a,P>::as_str (line 458) [INFO] [stdout] src/split.rs - split::Split<'a,P>::as_str (line 385) [INFO] [stdout] src/split.rs - split::SplitN<'a,P>::as_str (line 556) [INFO] [stdout] src/split.rs - split::SplitTerminator<'a,P>::as_str (line 439) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 6 passed; 6 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.66s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "308a5f70169c7447813afae80894db9cb073714cfa506c0592e4125beb03829d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "308a5f70169c7447813afae80894db9cb073714cfa506c0592e4125beb03829d", kill_on_drop: false }` [INFO] [stdout] 308a5f70169c7447813afae80894db9cb073714cfa506c0592e4125beb03829d