[INFO] fetching crate inplace_it 0.3.6... [INFO] testing inplace_it-0.3.6 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate inplace_it 0.3.6 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate inplace_it 0.3.6 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate inplace_it 0.3.6 [INFO] tweaked toml for crates.io crate inplace_it 0.3.6 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate inplace_it 0.3.6 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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9782b65b4cdc600a6866f31da32d64232f362be18934cf8f622a3122d0f10325 [INFO] running `Command { std: "docker" "start" "-a" "9782b65b4cdc600a6866f31da32d64232f362be18934cf8f622a3122d0f10325", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9782b65b4cdc600a6866f31da32d64232f362be18934cf8f622a3122d0f10325", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9782b65b4cdc600a6866f31da32d64232f362be18934cf8f622a3122d0f10325", kill_on_drop: false }` [INFO] [stdout] 9782b65b4cdc600a6866f31da32d64232f362be18934cf8f622a3122d0f10325 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0bd66f0d146cd71fa4f8f67429dd2a6411324d33c10df267cd0610eb3c96c2e8 [INFO] running `Command { std: "docker" "start" "-a" "0bd66f0d146cd71fa4f8f67429dd2a6411324d33c10df267cd0610eb3c96c2e8", kill_on_drop: false }` [INFO] [stderr] Compiling inplace_it v0.3.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition value: `8` [INFO] [stdout] --> src/fixed_array.rs:52:11 [INFO] [stdout] | [INFO] [stdout] 52 | #[cfg(target_pointer_width = "8")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `target_pointer_width` are: `16`, `32`, and `64` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `8` [INFO] [stdout] --> src/fixed_array.rs:92:15 [INFO] [stdout] | [INFO] [stdout] 92 | #[cfg(not(target_pointer_width = "8"))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `target_pointer_width` are: `16`, `32`, and `64` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/guards/uninitialized_slice_memory_guard.rs:157:19 [INFO] [stdout] | [INFO] [stdout] 157 | pub fn borrow(&mut self) -> UninitializedSliceMemoryGuard { [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] 157 | pub fn borrow(&mut self) -> UninitializedSliceMemoryGuard<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s [INFO] running `Command { std: "docker" "inspect" "0bd66f0d146cd71fa4f8f67429dd2a6411324d33c10df267cd0610eb3c96c2e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0bd66f0d146cd71fa4f8f67429dd2a6411324d33c10df267cd0610eb3c96c2e8", kill_on_drop: false }` [INFO] [stdout] 0bd66f0d146cd71fa4f8f67429dd2a6411324d33c10df267cd0610eb3c96c2e8 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ef3735f98520bf725137500f733f31bffe66bf558e5646c1318604d22ecdf98b [INFO] running `Command { std: "docker" "start" "-a" "ef3735f98520bf725137500f733f31bffe66bf558e5646c1318604d22ecdf98b", kill_on_drop: false }` [INFO] [stdout] warning: unexpected `cfg` condition value: `8` [INFO] [stdout] --> src/fixed_array.rs:52:11 [INFO] [stdout] | [INFO] [stdout] 52 | #[cfg(target_pointer_width = "8")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `target_pointer_width` are: `16`, `32`, and `64` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `8` [INFO] [stdout] --> src/fixed_array.rs:92:15 [INFO] [stdout] | [INFO] [stdout] 92 | #[cfg(not(target_pointer_width = "8"))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `target_pointer_width` are: `16`, `32`, and `64` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/guards/uninitialized_slice_memory_guard.rs:157:19 [INFO] [stdout] | [INFO] [stdout] 157 | pub fn borrow(&mut self) -> UninitializedSliceMemoryGuard { [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] 157 | pub fn borrow(&mut self) -> UninitializedSliceMemoryGuard<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling inplace_it v0.3.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition value: `8` [INFO] [stdout] --> src/fixed_array.rs:52:11 [INFO] [stdout] | [INFO] [stdout] 52 | #[cfg(target_pointer_width = "8")] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `target_pointer_width` are: `16`, `32`, and `64` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `8` [INFO] [stdout] --> src/fixed_array.rs:92:15 [INFO] [stdout] | [INFO] [stdout] 92 | #[cfg(not(target_pointer_width = "8"))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: expected values for `target_pointer_width` are: `16`, `32`, and `64` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/drop_correctness.rs:33:27 [INFO] [stdout] | [INFO] [stdout] 33 | struct DropCounterTrigger(u8 /* One byte to avoid zero-sized types optimizations */); [INFO] [stdout] | ------------------ ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/guards/uninitialized_slice_memory_guard.rs:157:19 [INFO] [stdout] | [INFO] [stdout] 157 | pub fn borrow(&mut self) -> UninitializedSliceMemoryGuard { [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] 157 | pub fn borrow(&mut self) -> UninitializedSliceMemoryGuard<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.36s [INFO] running `Command { std: "docker" "inspect" "ef3735f98520bf725137500f733f31bffe66bf558e5646c1318604d22ecdf98b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef3735f98520bf725137500f733f31bffe66bf558e5646c1318604d22ecdf98b", kill_on_drop: false }` [INFO] [stdout] ef3735f98520bf725137500f733f31bffe66bf558e5646c1318604d22ecdf98b [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 0b4e0e0c1b8769132007a54933a029b1627378437f4a6ceb15cb1d42d52f58d6 [INFO] running `Command { std: "docker" "start" "-a" "0b4e0e0c1b8769132007a54933a029b1627378437f4a6ceb15cb1d42d52f58d6", kill_on_drop: false }` [INFO] [stderr] warning: unexpected `cfg` condition value: `8` [INFO] [stderr] --> src/fixed_array.rs:52:11 [INFO] [stderr] | [INFO] [stderr] 52 | #[cfg(target_pointer_width = "8")] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: expected values for `target_pointer_width` are: `16`, `32`, and `64` [INFO] [stderr] = note: see for more information about checking conditional configuration [INFO] [stderr] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unexpected `cfg` condition value: `8` [INFO] [stderr] --> src/fixed_array.rs:92:15 [INFO] [stderr] | [INFO] [stderr] 92 | #[cfg(not(target_pointer_width = "8"))] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: expected values for `target_pointer_width` are: `16`, `32`, and `64` [INFO] [stderr] = note: see for more information about checking conditional configuration [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/guards/uninitialized_slice_memory_guard.rs:157:19 [INFO] [stderr] | [INFO] [stderr] 157 | pub fn borrow(&mut self) -> UninitializedSliceMemoryGuard { [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] 157 | pub fn borrow(&mut self) -> UninitializedSliceMemoryGuard<'_, T> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `inplace_it` (lib) generated 3 warnings (run `cargo fix --lib -p inplace_it` to apply 1 suggestion) [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> tests/drop_correctness.rs:33:27 [INFO] [stderr] | [INFO] [stderr] 33 | struct DropCounterTrigger(u8 /* One byte to avoid zero-sized types optimizations */); [INFO] [stderr] | ------------------ ^^ [INFO] [stderr] | | [INFO] [stderr] | field in this struct [INFO] [stderr] | [INFO] [stderr] = help: consider removing this field [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `inplace_it` (test "drop_correctness") generated 1 warning [INFO] [stderr] warning: `inplace_it` (lib test) generated 3 warnings (3 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/inplace_it-9b7e864d673b5b88) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test guards::slice_memory_guard::tests::new_from_iter_uses_exactly_same_count_that_collects ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/alloc_array.rs (/opt/rustwide/target/debug/deps/alloc_array-19dbaa2ca2945f2e) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test inplace_or_alloc_from_iter_works_fine ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s [INFO] [stdout] [INFO] [stderr] Running tests/drop_correctness.rs (/opt/rustwide/target/debug/deps/drop_correctness-20a147aca9f3eec6) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test maybe_uninit_works_as_expected ... ok [INFO] [stdout] test alloc_array_should_correctly_drop_values ... ok [INFO] [stderr] Running tests/stackalloc_correctness.rs (/opt/rustwide/target/debug/deps/stackalloc_correctness-e5ca89021c09ed1d) [INFO] [stdout] test inplace_array_should_correctly_drop_values ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test stack_memory_should_allocate_no_more_than_needed ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stderr] Doc-tests inplace_it [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test src/guards/slice_memory_guard.rs - guards::slice_memory_guard::SliceMemoryGuard (line 17) ... ok [INFO] [stdout] test src/fixed_array.rs - fixed_array::try_inplace_array (line 20) ... ok [INFO] [stdout] test src/guards/uninitialized_slice_memory_guard.rs - guards::uninitialized_slice_memory_guard::UninitializedSliceMemoryGuard (line 23) ... ok [INFO] [stdout] test src/alloc_array.rs - alloc_array::inplace_or_alloc_from_iter (line 78) ... ok [INFO] [stdout] test src/lib.rs - (line 13) ... ok [INFO] [stdout] test src/alloc_array.rs - alloc_array::inplace_or_alloc_array (line 41) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.77s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "0b4e0e0c1b8769132007a54933a029b1627378437f4a6ceb15cb1d42d52f58d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b4e0e0c1b8769132007a54933a029b1627378437f4a6ceb15cb1d42d52f58d6", kill_on_drop: false }` [INFO] [stdout] 0b4e0e0c1b8769132007a54933a029b1627378437f4a6ceb15cb1d42d52f58d6