[INFO] fetching crate ewe_mem 0.0.1... [INFO] testing ewe_mem-0.0.1 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1 [INFO] extracting crate ewe_mem 0.0.1 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate ewe_mem 0.0.1 [INFO] finished tweaking crates.io crate ewe_mem 0.0.1 [INFO] tweaked toml for crates.io crate ewe_mem 0.0.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate ewe_mem 0.0.1 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 40 packages to latest compatible versions [INFO] [stderr] Adding thiserror v1.0.69 (available: v2.0.17) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f620e803472af2281c22ff0bb57083263d54d9d5646e9516d38bd5c2c95807d5 [INFO] running `Command { std: "docker" "start" "-a" "f620e803472af2281c22ff0bb57083263d54d9d5646e9516d38bd5c2c95807d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f620e803472af2281c22ff0bb57083263d54d9d5646e9516d38bd5c2c95807d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f620e803472af2281c22ff0bb57083263d54d9d5646e9516d38bd5c2c95807d5", kill_on_drop: false }` [INFO] [stdout] f620e803472af2281c22ff0bb57083263d54d9d5646e9516d38bd5c2c95807d5 [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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0934cc2a3cdafe73400d6b09a2510e0bc3d3e1389b606d10165d779e42f590b5 [INFO] running `Command { std: "docker" "start" "-a" "0934cc2a3cdafe73400d6b09a2510e0bc3d3e1389b606d10165d779e42f590b5", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Compiling quote v1.0.41 [INFO] [stderr] Compiling unicode-ident v1.0.19 [INFO] [stderr] Compiling once_cell v1.21.3 [INFO] [stderr] Compiling pin-project-lite v0.2.16 [INFO] [stderr] Compiling anyhow v1.0.100 [INFO] [stderr] Compiling memchr v2.7.6 [INFO] [stderr] Compiling tracing-core v0.1.34 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling tracing-attributes v0.1.30 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling tracing v0.1.41 [INFO] [stderr] Compiling ewe_trace v0.0.1 [INFO] [stderr] Compiling ewe_mem v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/memory.rs:312:21 [INFO] [stdout] | [INFO] [stdout] 312 | pub fn drain(&mut self, range: R) -> Drain [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] 312 | pub fn drain(&mut self, range: R) -> Drain<'_, T> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/primitives.rs:110:22 [INFO] [stdout] | [INFO] [stdout] 110 | pub fn opt_slice(&self, range: Option) -> Option { [INFO] [stdout] | ^^^^^ the lifetime is elided here ----- the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 110 | pub fn opt_slice(&self, range: Option) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.28s [INFO] running `Command { std: "docker" "inspect" "0934cc2a3cdafe73400d6b09a2510e0bc3d3e1389b606d10165d779e42f590b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0934cc2a3cdafe73400d6b09a2510e0bc3d3e1389b606d10165d779e42f590b5", kill_on_drop: false }` [INFO] [stdout] 0934cc2a3cdafe73400d6b09a2510e0bc3d3e1389b606d10165d779e42f590b5 [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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c80bbde76b0df9c4f5f88930c5b0426ce1f3ff8bb9110a669facf7c409fbf017 [INFO] running `Command { std: "docker" "start" "-a" "c80bbde76b0df9c4f5f88930c5b0426ce1f3ff8bb9110a669facf7c409fbf017", kill_on_drop: false }` [INFO] [stderr] Compiling tracing-core v0.1.34 [INFO] [stderr] Compiling regex-syntax v0.8.6 [INFO] [stderr] Compiling cfg-if v1.0.3 [INFO] [stderr] Compiling log v0.4.28 [INFO] [stderr] Compiling nu-ansi-term v0.50.1 [INFO] [stderr] Compiling smallvec v1.15.1 [INFO] [stderr] Compiling tracing-test-macro v0.2.5 [INFO] [stderr] Compiling sharded-slab v0.1.7 [INFO] [stderr] Compiling thread_local v1.1.9 [INFO] [stderr] Compiling tracing v0.1.41 [INFO] [stderr] Compiling tracing-log v0.2.0 [INFO] [stderr] Compiling ewe_trace v0.0.1 [INFO] [stderr] Compiling ewe_mem v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/memory.rs:312:21 [INFO] [stdout] | [INFO] [stdout] 312 | pub fn drain(&mut self, range: R) -> Drain [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] 312 | pub fn drain(&mut self, range: R) -> Drain<'_, T> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/primitives.rs:110:22 [INFO] [stdout] | [INFO] [stdout] 110 | pub fn opt_slice(&self, range: Option) -> Option { [INFO] [stdout] | ^^^^^ the lifetime is elided here ----- the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 110 | pub fn opt_slice(&self, range: Option) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling regex-automata v0.4.11 [INFO] [stderr] Compiling matchers v0.2.0 [INFO] [stderr] Compiling tracing-subscriber v0.3.20 [INFO] [stderr] Compiling tracing-test v0.2.5 [INFO] [stdout] warning: value assigned to `my_number` is never read [INFO] [stdout] --> src/memory.rs:578:17 [INFO] [stdout] | [INFO] [stdout] 578 | let mut my_number = pool.allocate().unwrap(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/memory.rs:312:21 [INFO] [stdout] | [INFO] [stdout] 312 | pub fn drain(&mut self, range: R) -> Drain [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] 312 | pub fn drain(&mut self, range: R) -> Drain<'_, T> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/primitives.rs:110:22 [INFO] [stdout] | [INFO] [stdout] 110 | pub fn opt_slice(&self, range: Option) -> Option { [INFO] [stdout] | ^^^^^ the lifetime is elided here ----- the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 110 | pub fn opt_slice(&self, range: Option) -> Option> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 12.92s [INFO] running `Command { std: "docker" "inspect" "c80bbde76b0df9c4f5f88930c5b0426ce1f3ff8bb9110a669facf7c409fbf017", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c80bbde76b0df9c4f5f88930c5b0426ce1f3ff8bb9110a669facf7c409fbf017", kill_on_drop: false }` [INFO] [stdout] c80bbde76b0df9c4f5f88930c5b0426ce1f3ff8bb9110a669facf7c409fbf017 [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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] fe582c6d48b2f48afe2cae1f8cc1190554e1c560ea24e680e1002fb5cf9710a6 [INFO] running `Command { std: "docker" "start" "-a" "fe582c6d48b2f48afe2cae1f8cc1190554e1c560ea24e680e1002fb5cf9710a6", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/memory.rs:312:21 [INFO] [stderr] | [INFO] [stderr] 312 | pub fn drain(&mut self, range: R) -> Drain [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] 312 | pub fn drain(&mut self, range: R) -> Drain<'_, T> [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/primitives.rs:110:22 [INFO] [stderr] | [INFO] [stderr] 110 | pub fn opt_slice(&self, range: Option) -> Option { [INFO] [stderr] | ^^^^^ the lifetime is elided here ----- the same lifetime is hidden here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 110 | pub fn opt_slice(&self, range: Option) -> Option> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `ewe_mem` (lib) generated 2 warnings (run `cargo fix --lib -p ewe_mem` to apply 2 suggestions) [INFO] [stderr] warning: value assigned to `my_number` is never read [INFO] [stderr] --> src/memory.rs:578:17 [INFO] [stderr] | [INFO] [stderr] 578 | let mut my_number = pool.allocate().unwrap(); [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `ewe_mem` (lib test) generated 3 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ewe_mem-626c901a3765ad3d) [INFO] [stdout] [INFO] [stdout] running 14 tests [INFO] [stdout] test accumulator::accumulator_tests::test_can_peek_next_and_take_text_then_continue_peeking ... ok [INFO] [stdout] test accumulator::accumulator_tests::test_can_use_accumulator_to_peek_next_character ... ok [INFO] [stdout] test accumulator::accumulator_tests::test_can_peek_next_to_accumulate_more_seen_text ... ok [INFO] [stdout] test accumulator::accumulator_tests::test_can_use_accumulator_to_peek_two_characters_away ... ok [INFO] [stdout] test memory::arena_pool_tests::test_arena_pool ... ok [INFO] [stdout] test memory::arena_pool_tests::test_arena_pool_limits ... ok [INFO] [stdout] test memory::arena_tests::can_create_arena ... ok [INFO] [stdout] test accumulator::accumulator_tests::test_can_virtual_peek_ahead_without_changing_peek_cursor ... ok [INFO] [stdout] test memory::type_area_tests::current_usage ... ok [INFO] [stdout] test memory::memory_limiter_tests::can_get_current_usage ... ok [INFO] [stdout] test memory::type_area_tests::max_limit ... ok [INFO] [stdout] test memory::type_area_tests::drop ... ok [INFO] [stdout] test memory::memory_limiter_tests::cant_expand_usage_pass_limits ... ok [INFO] [stdout] test memory::type_area_tests::drain ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s [INFO] [stdout] [INFO] [stderr] Doc-tests ewe_mem [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" "fe582c6d48b2f48afe2cae1f8cc1190554e1c560ea24e680e1002fb5cf9710a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fe582c6d48b2f48afe2cae1f8cc1190554e1c560ea24e680e1002fb5cf9710a6", kill_on_drop: false }` [INFO] [stdout] fe582c6d48b2f48afe2cae1f8cc1190554e1c560ea24e680e1002fb5cf9710a6