[INFO] fetching crate ewe_mem 0.0.1... [INFO] testing ewe_mem-0.0.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] extracting crate ewe_mem 0.0.1 into /workspace/builds/worker-5-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-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate ewe_mem 0.0.1 on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "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: v2.0.16) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 65b6ec0b9c9f9c8daf2c474ef3ce17a33a3b988ce3f9e59fd614196e048e3451 [INFO] running `Command { std: "docker" "start" "-a" "65b6ec0b9c9f9c8daf2c474ef3ce17a33a3b988ce3f9e59fd614196e048e3451", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "65b6ec0b9c9f9c8daf2c474ef3ce17a33a3b988ce3f9e59fd614196e048e3451", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65b6ec0b9c9f9c8daf2c474ef3ce17a33a3b988ce3f9e59fd614196e048e3451", kill_on_drop: false }` [INFO] [stdout] 65b6ec0b9c9f9c8daf2c474ef3ce17a33a3b988ce3f9e59fd614196e048e3451 [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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2ef16744e3b456fde5ba200be6726a51d7aa03708cdc7320a530cb7478bd6bea [INFO] running `Command { std: "docker" "start" "-a" "2ef16744e3b456fde5ba200be6726a51d7aa03708cdc7320a530cb7478bd6bea", kill_on_drop: false }` [INFO] [stderr] Compiling anyhow v1.0.99 [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 7.40s [INFO] running `Command { std: "docker" "inspect" "2ef16744e3b456fde5ba200be6726a51d7aa03708cdc7320a530cb7478bd6bea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2ef16744e3b456fde5ba200be6726a51d7aa03708cdc7320a530cb7478bd6bea", kill_on_drop: false }` [INFO] [stdout] 2ef16744e3b456fde5ba200be6726a51d7aa03708cdc7320a530cb7478bd6bea [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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 173bd9ec7de29265e0841f1d7ee751a5d4683f8d340e2dd5a6fd1a39d15fdb2b [INFO] running `Command { std: "docker" "start" "-a" "173bd9ec7de29265e0841f1d7ee751a5d4683f8d340e2dd5a6fd1a39d15fdb2b", kill_on_drop: false }` [INFO] [stderr] Compiling log v0.4.27 [INFO] [stderr] Compiling smallvec v1.15.1 [INFO] [stderr] Compiling nu-ansi-term v0.50.1 [INFO] [stderr] Compiling tracing-core v0.1.34 [INFO] [stderr] Compiling regex-automata v0.4.10 [INFO] [stderr] Compiling thread_local v1.1.9 [INFO] [stderr] Compiling sharded-slab v0.1.7 [INFO] [stderr] Compiling tracing-test-macro v0.2.5 [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 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)]` (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/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 7.27s [INFO] running `Command { std: "docker" "inspect" "173bd9ec7de29265e0841f1d7ee751a5d4683f8d340e2dd5a6fd1a39d15fdb2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "173bd9ec7de29265e0841f1d7ee751a5d4683f8d340e2dd5a6fd1a39d15fdb2b", kill_on_drop: false }` [INFO] [stdout] 173bd9ec7de29265e0841f1d7ee751a5d4683f8d340e2dd5a6fd1a39d15fdb2b [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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 298dd51631dd23354d239b6d51dd64b746070c8adc698b55a0bfdb8905b62f9b [INFO] running `Command { std: "docker" "start" "-a" "298dd51631dd23354d239b6d51dd64b746070c8adc698b55a0bfdb8905b62f9b", 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)]` (part of `#[warn(unused)]`) 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-5c17f23a4e477051) [INFO] [stdout] [INFO] [stdout] running 14 tests [INFO] [stdout] test accumulator::accumulator_tests::test_can_use_accumulator_to_peek_next_character ... ok [INFO] [stderr] Doc-tests ewe_mem [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_virtual_peek_ahead_without_changing_peek_cursor ... ok [INFO] [stdout] test accumulator::accumulator_tests::test_can_use_accumulator_to_peek_two_characters_away ... ok [INFO] [stdout] test accumulator::accumulator_tests::test_can_peek_next_to_accumulate_more_seen_text ... ok [INFO] [stdout] test memory::arena_pool_tests::test_arena_pool ... ok [INFO] [stdout] test memory::arena_tests::can_create_arena ... ok [INFO] [stdout] test memory::arena_pool_tests::test_arena_pool_limits ... ok [INFO] [stdout] test memory::memory_limiter_tests::can_get_current_usage ... 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] test memory::type_area_tests::current_usage ... ok [INFO] [stdout] test memory::type_area_tests::drop ... ok [INFO] [stdout] test memory::type_area_tests::max_limit ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [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" "298dd51631dd23354d239b6d51dd64b746070c8adc698b55a0bfdb8905b62f9b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "298dd51631dd23354d239b6d51dd64b746070c8adc698b55a0bfdb8905b62f9b", kill_on_drop: false }` [INFO] [stdout] 298dd51631dd23354d239b6d51dd64b746070c8adc698b55a0bfdb8905b62f9b