[INFO] fetching crate owned_chars 0.3.2...
[INFO] testing owned_chars-0.3.2 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate owned_chars 0.3.2 into /workspace/builds/worker-7-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-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate owned_chars 0.3.2 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 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-2025-10-28" "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-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] 7ef23b096e2b5cf3c61597f81648fbbb5b4972bad068239666daadde9f6bda91
[INFO] running `Command { std: "docker" "start" "-a" "7ef23b096e2b5cf3c61597f81648fbbb5b4972bad068239666daadde9f6bda91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ef23b096e2b5cf3c61597f81648fbbb5b4972bad068239666daadde9f6bda91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ef23b096e2b5cf3c61597f81648fbbb5b4972bad068239666daadde9f6bda91", kill_on_drop: false }`
[INFO] [stdout] 7ef23b096e2b5cf3c61597f81648fbbb5b4972bad068239666daadde9f6bda91
[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] d10e24c7369cc4be161ecd51b8503cee404c1c559d12652efa04f8d9dc2df382
[INFO] running `Command { std: "docker" "start" "-a" "d10e24c7369cc4be161ecd51b8503cee404c1c559d12652efa04f8d9dc2df382", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling syn v1.0.109
[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 7.02s
[INFO] running `Command { std: "docker" "inspect" "d10e24c7369cc4be161ecd51b8503cee404c1c559d12652efa04f8d9dc2df382", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d10e24c7369cc4be161ecd51b8503cee404c1c559d12652efa04f8d9dc2df382", kill_on_drop: false }`
[INFO] [stdout] d10e24c7369cc4be161ecd51b8503cee404c1c559d12652efa04f8d9dc2df382
[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] 209efa964864032130f07ff7fb7fd992c6ff3681222a107a35ebd67385194f60
[INFO] running `Command { std: "docker" "start" "-a" "209efa964864032130f07ff7fb7fd992c6ff3681222a107a35ebd67385194f60", 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::<Vec<_>>());
[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 <https://github.com/rust-lang/rust/issues/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 <https://github.com/rust-lang/rust/issues/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 <https://github.com/rust-lang/rust/issues/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 <https://github.com/rust-lang/rust/issues/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 0.44s
[INFO] running `Command { std: "docker" "inspect" "209efa964864032130f07ff7fb7fd992c6ff3681222a107a35ebd67385194f60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "209efa964864032130f07ff7fb7fd992c6ff3681222a107a35ebd67385194f60", kill_on_drop: false }`
[INFO] [stdout] 209efa964864032130f07ff7fb7fd992c6ff3681222a107a35ebd67385194f60
[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] 6f2b334c8baacd0be5bef2138d916e3f1e8179549f44c60e510942f1f07b73dc
[INFO] running `Command { std: "docker" "start" "-a" "6f2b334c8baacd0be5bef2138d916e3f1e8179549f44c60e510942f1f07b73dc", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stdout] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout] running 4 tests
[INFO] [stderr]    --> src/lib.rs:110:18
[INFO] [stdout] test chars ... ok
[INFO] [stderr]     |
[INFO] [stdout] test methods ... ok
[INFO] [stderr] 110 |                s.into_chars().collect::<Vec<_>>());
[INFO] [stdout] test unicode ... ok
[INFO] [stderr]     |                  ^^^^^^^^^^
[INFO] [stdout] test char_indices ... ok
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout] 
[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 <https://github.com/rust-lang/rust/issues/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 <https://github.com/rust-lang/rust/issues/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 <https://github.com/rust-lang/rust/issues/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 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/owned_chars-6a224361cfb7f050)
[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" "6f2b334c8baacd0be5bef2138d916e3f1e8179549f44c60e510942f1f07b73dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f2b334c8baacd0be5bef2138d916e3f1e8179549f44c60e510942f1f07b73dc", kill_on_drop: false }`
[INFO] [stdout] 6f2b334c8baacd0be5bef2138d916e3f1e8179549f44c60e510942f1f07b73dc
