[INFO] fetching crate shrev 1.1.3... [INFO] testing shrev-1.1.3 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate shrev 1.1.3 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate shrev 1.1.3 [INFO] finished tweaking crates.io crate shrev 1.1.3 [INFO] tweaked toml for crates.io crate shrev 1.1.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate shrev 1.1.3 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] crate crates.io crate shrev 1.1.3 already has a lockfile, it will not be regenerated [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 840d30b9fd37b30d595a1c2b9a83e14e511f75ae80eef32af7104e10b36a74ad [INFO] running `Command { std: "docker" "start" "-a" "840d30b9fd37b30d595a1c2b9a83e14e511f75ae80eef32af7104e10b36a74ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "840d30b9fd37b30d595a1c2b9a83e14e511f75ae80eef32af7104e10b36a74ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "840d30b9fd37b30d595a1c2b9a83e14e511f75ae80eef32af7104e10b36a74ad", kill_on_drop: false }` [INFO] [stdout] 840d30b9fd37b30d595a1c2b9a83e14e511f75ae80eef32af7104e10b36a74ad [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] a78be9829de8215840a85c4dfef1688bff432e49494a276f9e5e7d723b8c3820 [INFO] running `Command { std: "docker" "start" "-a" "a78be9829de8215840a85c4dfef1688bff432e49494a276f9e5e7d723b8c3820", kill_on_drop: false }` [INFO] [stderr] Compiling shrev v1.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:181:17 [INFO] [stdout] | [INFO] [stdout] 181 | pub fn read(&self, reader_id: &mut ReaderId) -> EventIterator { [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] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 181 | pub fn read(&self, reader_id: &mut ReaderId) -> EventIterator<'_, E> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/storage.rs:503:17 [INFO] [stdout] | [INFO] [stdout] 503 | pub fn read(&self, reader_id: &mut ReaderId) -> StorageIterator { [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] 503 | pub fn read(&self, reader_id: &mut ReaderId) -> StorageIterator<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s [INFO] running `Command { std: "docker" "inspect" "a78be9829de8215840a85c4dfef1688bff432e49494a276f9e5e7d723b8c3820", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a78be9829de8215840a85c4dfef1688bff432e49494a276f9e5e7d723b8c3820", kill_on_drop: false }` [INFO] [stdout] a78be9829de8215840a85c4dfef1688bff432e49494a276f9e5e7d723b8c3820 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9c3378090273ff98219358268e39ce46821c789f51a875f7d97da4c4baea7560 [INFO] running `Command { std: "docker" "start" "-a" "9c3378090273ff98219358268e39ce46821c789f51a875f7d97da4c4baea7560", kill_on_drop: false }` [INFO] [stderr] Compiling shrev v1.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:181:17 [INFO] [stdout] | [INFO] [stdout] 181 | pub fn read(&self, reader_id: &mut ReaderId) -> EventIterator { [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] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 181 | pub fn read(&self, reader_id: &mut ReaderId) -> EventIterator<'_, E> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/storage.rs:503:17 [INFO] [stdout] | [INFO] [stdout] 503 | pub fn read(&self, reader_id: &mut ReaderId) -> StorageIterator { [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] 503 | pub fn read(&self, reader_id: &mut ReaderId) -> StorageIterator<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Test2` is never constructed [INFO] [stdout] --> src/storage.rs:614:12 [INFO] [stdout] | [INFO] [stdout] 614 | struct Test2 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [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/lib.rs:181:17 [INFO] [stdout] | [INFO] [stdout] 181 | pub fn read(&self, reader_id: &mut ReaderId) -> EventIterator { [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] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 181 | pub fn read(&self, reader_id: &mut ReaderId) -> EventIterator<'_, E> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/storage.rs:503:17 [INFO] [stdout] | [INFO] [stdout] 503 | pub fn read(&self, reader_id: &mut ReaderId) -> StorageIterator { [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] 503 | pub fn read(&self, reader_id: &mut ReaderId) -> StorageIterator<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s [INFO] running `Command { std: "docker" "inspect" "9c3378090273ff98219358268e39ce46821c789f51a875f7d97da4c4baea7560", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9c3378090273ff98219358268e39ce46821c789f51a875f7d97da4c4baea7560", kill_on_drop: false }` [INFO] [stdout] 9c3378090273ff98219358268e39ce46821c789f51a875f7d97da4c4baea7560 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d86eeb41fafb0873213000892b805255e6123c5fc02d4e1c122c8d47f12d84bf [INFO] running `Command { std: "docker" "start" "-a" "d86eeb41fafb0873213000892b805255e6123c5fc02d4e1c122c8d47f12d84bf", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:181:17 [INFO] [stderr] | [INFO] [stderr] 181 | pub fn read(&self, reader_id: &mut ReaderId) -> EventIterator { [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] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 181 | pub fn read(&self, reader_id: &mut ReaderId) -> EventIterator<'_, E> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/storage.rs:503:17 [INFO] [stderr] | [INFO] [stderr] 503 | pub fn read(&self, reader_id: &mut ReaderId) -> StorageIterator { [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] 503 | pub fn read(&self, reader_id: &mut ReaderId) -> StorageIterator<'_, T> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `shrev` (lib) generated 2 warnings (run `cargo fix --lib -p shrev` to apply 2 suggestions) [INFO] [stderr] warning: struct `Test2` is never constructed [INFO] [stderr] --> src/storage.rs:614:12 [INFO] [stderr] | [INFO] [stderr] 614 | struct Test2 { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `shrev` (lib test) generated 3 warnings (2 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/shrev-8dbaf44522650245) [INFO] [stdout] [INFO] [stdout] running 21 tests [INFO] [stdout] test storage::tests::iter_write_empty ... ok [INFO] [stdout] test storage::tests::test_empty_read ... ok [INFO] [stdout] test storage::tests::test_empty_read_rev ... ok [INFO] [stdout] test storage::tests::test_empty_write ... ok [INFO] [stdout] test storage::tests::test_circular ... ok [INFO] [stdout] test storage::tests::test_empty_read_write_before_id_rev ... ok [INFO] [stdout] test storage::tests::test_prevent_excess_growth ... ok [INFO] [stdout] test storage::tests::test_read_rev ... ok [INFO] [stdout] test storage::tests::test_read ... ok [INFO] [stdout] test storage::tests::test_reader_reuse ... ok [INFO] [stdout] test storage::tests::test_size ... ok [INFO] [stdout] test storage::tests::test_read_wrap_around_rev ... ok [INFO] [stdout] test storage::tests::test_send_sync ... ok [INFO] [stdout] test storage::tests::test_write_slice ... ok [INFO] [stdout] test storage::tests::test_read_wrap_around_overflow_rev ... ok [INFO] [stdout] test storage::tests::test_too_large_write ... ok [INFO] [stdout] test tests::test_read_write ... ok [INFO] [stdout] test storage::tests::test_write_overflow ... ok [INFO] [stdout] test storage::tests::test_empty_read_write_before_id ... ok [INFO] [stdout] test tests::test_grow ... ok [INFO] [stdout] test tests::test_example ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running tests/bounds.rs (/opt/rustwide/target/debug/deps/bounds-e3d75f443b2cfec0) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test reader_id_bounds ... ok [INFO] [stdout] test event_iterator_bounds ... ok [INFO] [stdout] test event_channel_bounds ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/would_write.rs (/opt/rustwide/target/debug/deps/would_write-104990912120632a) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test naive_negative ... ok [INFO] [stdout] test naive_positive ... ok [INFO] [stdout] test recreated ... ok [INFO] [stdout] test all_dropped ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests shrev [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - EventChannel (line 50) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.38s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "d86eeb41fafb0873213000892b805255e6123c5fc02d4e1c122c8d47f12d84bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d86eeb41fafb0873213000892b805255e6123c5fc02d4e1c122c8d47f12d84bf", kill_on_drop: false }` [INFO] [stdout] d86eeb41fafb0873213000892b805255e6123c5fc02d4e1c122c8d47f12d84bf