[INFO] fetching crate internal-iterator 0.2.3...
[INFO] testing internal-iterator-0.2.3 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate internal-iterator 0.2.3 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate internal-iterator 0.2.3
[INFO] finished tweaking crates.io crate internal-iterator 0.2.3
[INFO] tweaked toml for crates.io crate internal-iterator 0.2.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate internal-iterator 0.2.3 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] 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 199243810fbcc8e8612a55153d48ef98aa1c33079462b1e4e19397a20ff50f49
[INFO] running `Command { std: "docker" "start" "-a" "199243810fbcc8e8612a55153d48ef98aa1c33079462b1e4e19397a20ff50f49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "199243810fbcc8e8612a55153d48ef98aa1c33079462b1e4e19397a20ff50f49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "199243810fbcc8e8612a55153d48ef98aa1c33079462b1e4e19397a20ff50f49", kill_on_drop: false }`
[INFO] [stdout] 199243810fbcc8e8612a55153d48ef98aa1c33079462b1e4e19397a20ff50f49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 6f4b69bfc1bfd967d06560a5ba77857b2bf2338ebd7c74c68ace68ece8e791ad
[INFO] running `Command { std: "docker" "start" "-a" "6f4b69bfc1bfd967d06560a5ba77857b2bf2338ebd7c74c68ace68ece8e791ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling internal-iterator v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]    --> src/lib.rs:452:9
[INFO] [stdout]     |
[INFO] [stdout] 452 | /         self.try_for_each::<(), _>(|item| {
[INFO] [stdout] 453 | |             f(item);
[INFO] [stdout] 454 | |             ControlFlow::Continue(())
[INFO] [stdout] 455 | |         });
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 452 |         let _ = self.try_for_each::<(), _>(|item| {
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> src/from_fn_impl.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 | /         (self.f)(&mut |item| {
[INFO] [stdout] 32 | |             match f(item) {
[INFO] [stdout] 33 | |                 ControlFlow::Continue(()) => ControlFlow::Continue(()),
[INFO] [stdout] 34 | |                 ControlFlow::Break(res) => {
[INFO] [stdout] ...  |
[INFO] [stdout] 39 | |         });
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let _ = (self.f)(&mut |item| {
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "6f4b69bfc1bfd967d06560a5ba77857b2bf2338ebd7c74c68ace68ece8e791ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f4b69bfc1bfd967d06560a5ba77857b2bf2338ebd7c74c68ace68ece8e791ad", kill_on_drop: false }`
[INFO] [stdout] 6f4b69bfc1bfd967d06560a5ba77857b2bf2338ebd7c74c68ace68ece8e791ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 3eb8bc8ee70d139d97c19c147861f57ec45b29c095318e102f02eb0dbc29af96
[INFO] running `Command { std: "docker" "start" "-a" "3eb8bc8ee70d139d97c19c147861f57ec45b29c095318e102f02eb0dbc29af96", kill_on_drop: false }`
[INFO] [stderr]    Compiling internal-iterator v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]    --> src/lib.rs:452:9
[INFO] [stdout]     |
[INFO] [stdout] 452 | /         self.try_for_each::<(), _>(|item| {
[INFO] [stdout] 453 | |             f(item);
[INFO] [stdout] 454 | |             ControlFlow::Continue(())
[INFO] [stdout] 455 | |         });
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 452 |         let _ = self.try_for_each::<(), _>(|item| {
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> src/from_fn_impl.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 | /         (self.f)(&mut |item| {
[INFO] [stdout] 32 | |             match f(item) {
[INFO] [stdout] 33 | |                 ControlFlow::Continue(()) => ControlFlow::Continue(()),
[INFO] [stdout] 34 | |                 ControlFlow::Break(res) => {
[INFO] [stdout] ...  |
[INFO] [stdout] 39 | |         });
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let _ = (self.f)(&mut |item| {
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]    --> src/lib.rs:452:9
[INFO] [stdout]     |
[INFO] [stdout] 452 | /         self.try_for_each::<(), _>(|item| {
[INFO] [stdout] 453 | |             f(item);
[INFO] [stdout] 454 | |             ControlFlow::Continue(())
[INFO] [stdout] 455 | |         });
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 452 |         let _ = self.try_for_each::<(), _>(|item| {
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stdout]   --> src/from_fn_impl.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 | /         (self.f)(&mut |item| {
[INFO] [stdout] 32 | |             match f(item) {
[INFO] [stdout] 33 | |                 ControlFlow::Continue(()) => ControlFlow::Continue(()),
[INFO] [stdout] 34 | |                 ControlFlow::Break(res) => {
[INFO] [stdout] ...  |
[INFO] [stdout] 39 | |         });
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let _ = (self.f)(&mut |item| {
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "3eb8bc8ee70d139d97c19c147861f57ec45b29c095318e102f02eb0dbc29af96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3eb8bc8ee70d139d97c19c147861f57ec45b29c095318e102f02eb0dbc29af96", kill_on_drop: false }`
[INFO] [stdout] 3eb8bc8ee70d139d97c19c147861f57ec45b29c095318e102f02eb0dbc29af96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 9f69838a98de330e4623b6277e1a489bf672784546382e6b3c5776436bbecd59
[INFO] running `Command { std: "docker" "start" "-a" "9f69838a98de330e4623b6277e1a489bf672784546382e6b3c5776436bbecd59", kill_on_drop: false }`
[INFO] [stderr] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stderr]    --> src/lib.rs:452:9
[INFO] [stderr]     |
[INFO] [stderr] 452 | /         self.try_for_each::<(), _>(|item| {
[INFO] [stderr] 453 | |             f(item);
[INFO] [stderr] 454 | |             ControlFlow::Continue(())
[INFO] [stderr] 455 | |         });
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 452 |         let _ = self.try_for_each::<(), _>(|item| {
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::ops::ControlFlow` that must be used
[INFO] [stderr]   --> src/from_fn_impl.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 | /         (self.f)(&mut |item| {
[INFO] [stderr] 32 | |             match f(item) {
[INFO] [stderr] 33 | |                 ControlFlow::Continue(()) => ControlFlow::Continue(()),
[INFO] [stderr] 34 | |                 ControlFlow::Break(res) => {
[INFO] [stderr] ...  |
[INFO] [stderr] 39 | |         });
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let _ = (self.f)(&mut |item| {
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `internal-iterator` (lib) generated 2 warnings
[INFO] [stderr] warning: `internal-iterator` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/internal_iterator-9fc8cb06a4be3cde)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test from_fn_impl::can_be_static ... ok
[INFO] [stdout] test tests::clone_side_effects_preserved ... ok
[INFO] [stderr]    Doc-tests internal_iterator
[INFO] [stdout] test tests::readme_example ... ok
[INFO] [stdout] test from_fn_impl::pipeline_tests ... ok
[INFO] [stdout] test tests::map_side_effects_preserved ... ok
[INFO] [stdout] test tests::take_empty ... ok
[INFO] [stdout] test tests::take_short_circuit ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test src/from_fn_impl.rs - from_fn_impl::__compile_fail_check (line 133) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - InternalIterator::all (line 200) ... ok
[INFO] [stdout] test src/lib.rs - InternalIterator::any (line 215) ... ok
[INFO] [stdout] test src/from_fn_impl.rs - from_fn_impl::from_fn (line 59) ... ok
[INFO] [stdout] test src/lib.rs - InternalIterator::chain (line 231) ... ok
[INFO] [stdout] test src/lib.rs - InternalIterator::cloned (line 251) ... ok
[INFO] [stdout] test src/lib.rs - (line 21) ... ok
[INFO] [stdout] test src/lib.rs - InternalIterator::collect (line 269) ... ok
[INFO] [stdout] test src/lib.rs - InternalIterator::count (line 308) ... ok
[INFO] [stdout] test src/lib.rs - InternalIterator::filter (line 339) ... ok
[INFO] [stdout] test src/lib.rs - InternalIterator::copied (line 290) ... ok
[INFO] [stdout] test src/lib.rs - InternalIterator::enumerate (line 325) ... ok
[INFO] [stdout] test src/lib.rs - InternalIterator::filter_map (line 356) ... ok
[INFO] [stdout] test src/lib.rs - InternalIterator::find (line 377) ... ok
[INFO] [stdout] test src/lib.rs - InternalIterator::fold (line 430) ... ok
[INFO] [stdout] test src/lib.rs - InternalIterator::find_map (line 170) ... ok
[INFO] [stdout] test src/lib.rs - InternalIterator::map (line 505) ... ok
[INFO] [stdout] test src/lib.rs - InternalIterator::flat_map (line 407) ... ok
[INFO] [stdout] test src/lib.rs - InternalIterator::inspect (line 463) ... ok
[INFO] [stdout] test src/lib.rs - InternalIterator::last (line 489) ... ok
[INFO] [stdout] test src/lib.rs - InternalIterator::max (line 526) ... ok
[INFO] [stdout] test src/lib.rs - InternalIterator::next (line 614) ... ok
[INFO] [stdout] test src/lib.rs - InternalIterator::position (line 643) ... ok
[INFO] [stdout] test src/lib.rs - InternalIterator::min (line 568) ... ok
[INFO] [stdout] test src/lib.rs - InternalIterator::nth (line 625) ... ok
[INFO] [stdout] test src/lib.rs - IteratorExt::into_internal (line 777) ... ok
[INFO] [stdout] test src/lib.rs - InternalIterator::skip (line 670) ... ok
[INFO] [stdout] test src/lib.rs - InternalIterator::try_for_each (line 145) ... ok
[INFO] [stdout] test src/lib.rs - InternalIterator::take (line 690) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9f69838a98de330e4623b6277e1a489bf672784546382e6b3c5776436bbecd59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f69838a98de330e4623b6277e1a489bf672784546382e6b3c5776436bbecd59", kill_on_drop: false }`
[INFO] [stdout] 9f69838a98de330e4623b6277e1a489bf672784546382e6b3c5776436bbecd59