[INFO] fetching crate owned_chars 0.3.2... [INFO] testing owned_chars-0.3.2 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate owned_chars 0.3.2 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate owned_chars 0.3.2 [INFO] finished tweaking crates.io crate owned_chars 0.3.2 [INFO] tweaked toml for crates.io crate owned_chars 0.3.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate owned_chars 0.3.2 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 5 packages to latest compatible versions [INFO] [stderr] Adding delegate-attr v0.2.9 (available: v0.3.0) [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] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [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] f76051ba0be039b4271296d77391bd59675843f6b4b0bfc1dfae0886be61000a [INFO] running `Command { std: "docker" "start" "-a" "f76051ba0be039b4271296d77391bd59675843f6b4b0bfc1dfae0886be61000a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f76051ba0be039b4271296d77391bd59675843f6b4b0bfc1dfae0886be61000a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f76051ba0be039b4271296d77391bd59675843f6b4b0bfc1dfae0886be61000a", kill_on_drop: false }` [INFO] [stdout] f76051ba0be039b4271296d77391bd59675843f6b4b0bfc1dfae0886be61000a [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] 7d33f3e63ea51c1f9964ab210b21d3c850c51df0b38e1620483da8c3ee3ae697 [INFO] running `Command { std: "docker" "start" "-a" "7d33f3e63ea51c1f9964ab210b21d3c850c51df0b38e1620483da8c3ee3ae697", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling delegate-attr v0.2.9 [INFO] [stderr] Compiling owned_chars v0.3.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.62s [INFO] running `Command { std: "docker" "inspect" "7d33f3e63ea51c1f9964ab210b21d3c850c51df0b38e1620483da8c3ee3ae697", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7d33f3e63ea51c1f9964ab210b21d3c850c51df0b38e1620483da8c3ee3ae697", kill_on_drop: false }` [INFO] [stdout] 7d33f3e63ea51c1f9964ab210b21d3c850c51df0b38e1620483da8c3ee3ae697 [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] d5250ce6bc07bdd88546c96bf314ec3fc1cd07146e4d950416b29648afc3ab4c [INFO] running `Command { std: "docker" "start" "-a" "d5250ce6bc07bdd88546c96bf314ec3fc1cd07146e4d950416b29648afc3ab4c", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling owned_chars v0.3.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/lib.rs:110:18 [INFO] [stdout] | [INFO] [stdout] 110 | s.into_chars().collect::>()); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `OwnedCharsExt::into_chars(...)` to keep using the current method [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/lib.rs:116:37 [INFO] [stdout] | [INFO] [stdout] 116 | assert_eq!(Some('é'), s.clone().into_chars().skip(1).next()); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `OwnedCharsExt::into_chars(...)` to keep using the current method [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/lib.rs:117:37 [INFO] [stdout] | [INFO] [stdout] 117 | assert_eq!(Some('l'), s.clone().into_chars().skip(2).next()); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `OwnedCharsExt::into_chars(...)` to keep using the current method [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/lib.rs:130:24 [INFO] [stdout] | [INFO] [stdout] 130 | let oc = s.clone().into_chars(); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `OwnedCharsExt::into_chars(...)` to keep using the current method [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s [INFO] running `Command { std: "docker" "inspect" "d5250ce6bc07bdd88546c96bf314ec3fc1cd07146e4d950416b29648afc3ab4c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d5250ce6bc07bdd88546c96bf314ec3fc1cd07146e4d950416b29648afc3ab4c", kill_on_drop: false }` [INFO] [stdout] d5250ce6bc07bdd88546c96bf314ec3fc1cd07146e4d950416b29648afc3ab4c [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] 73704e49b7a401f2bf4305fdbcf7926021b534c98411dec2fb11bd2f9408b5db [INFO] running `Command { std: "docker" "start" "-a" "73704e49b7a401f2bf4305fdbcf7926021b534c98411dec2fb11bd2f9408b5db", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: a method with this name may be added to the standard library in the future [INFO] [stderr] --> src/lib.rs:110:18 [INFO] [stderr] | [INFO] [stderr] 110 | s.into_chars().collect::>()); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stderr] = note: for more information, see issue #48919 [INFO] [stderr] = help: call with fully qualified syntax `OwnedCharsExt::into_chars(...)` to keep using the current method [INFO] [stderr] = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: a method with this name may be added to the standard library in the future [INFO] [stderr] --> src/lib.rs:116:37 [INFO] [stderr] | [INFO] [stderr] 116 | assert_eq!(Some('é'), s.clone().into_chars().skip(1).next()); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stderr] = note: for more information, see issue #48919 [INFO] [stderr] = help: call with fully qualified syntax `OwnedCharsExt::into_chars(...)` to keep using the current method [INFO] [stderr] [INFO] [stderr] warning: a method with this name may be added to the standard library in the future [INFO] [stderr] --> src/lib.rs:117:37 [INFO] [stderr] | [INFO] [stderr] 117 | assert_eq!(Some('l'), s.clone().into_chars().skip(2).next()); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stderr] = note: for more information, see issue #48919 [INFO] [stderr] = help: call with fully qualified syntax `OwnedCharsExt::into_chars(...)` to keep using the current method [INFO] [stderr] [INFO] [stderr] warning: a method with this name may be added to the standard library in the future [INFO] [stderr] --> src/lib.rs:130:24 [INFO] [stderr] | [INFO] [stderr] 130 | let oc = s.clone().into_chars(); [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stderr] = note: for more information, see issue #48919 [INFO] [stderr] = help: call with fully qualified syntax `OwnedCharsExt::into_chars(...)` to keep using the current method [INFO] [stderr] [INFO] [stderr] warning: `owned_chars` (lib test) generated 4 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/owned_chars-ad4b4b31cf5c0851) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test char_indices ... ok [INFO] [stdout] test unicode ... ok [INFO] [stdout] test methods ... ok [INFO] [stdout] test chars ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s [INFO] [stdout] [INFO] [stderr] Doc-tests owned_chars [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" "73704e49b7a401f2bf4305fdbcf7926021b534c98411dec2fb11bd2f9408b5db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "73704e49b7a401f2bf4305fdbcf7926021b534c98411dec2fb11bd2f9408b5db", kill_on_drop: false }` [INFO] [stdout] 73704e49b7a401f2bf4305fdbcf7926021b534c98411dec2fb11bd2f9408b5db