[INFO] fetching crate shrev 1.1.3...
[INFO] testing shrev-1.1.3 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate shrev 1.1.3 into /workspace/builds/worker-5-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-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate shrev 1.1.3 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-2026-04-21" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 824651869af3d580fcddebc86521a94bca8d4938f9138deb8389cc5eb0911f28
[INFO] running `Command { std: "docker" "start" "-a" "824651869af3d580fcddebc86521a94bca8d4938f9138deb8389cc5eb0911f28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "824651869af3d580fcddebc86521a94bca8d4938f9138deb8389cc5eb0911f28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "824651869af3d580fcddebc86521a94bca8d4938f9138deb8389cc5eb0911f28", kill_on_drop: false }`
[INFO] [stdout] 824651869af3d580fcddebc86521a94bca8d4938f9138deb8389cc5eb0911f28
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c434d7226139998c45bea9c77e42d3ab717edcd2b21b13b257033081e026ed91
[INFO] running `Command { std: "docker" "start" "-a" "c434d7226139998c45bea9c77e42d3ab717edcd2b21b13b257033081e026ed91", 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<E>) -> EventIterator<E> {
[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<E>) -> 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<T>) -> StorageIterator<T> {
[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<T>) -> StorageIterator<'_, T> {
[INFO] [stdout]     |                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "c434d7226139998c45bea9c77e42d3ab717edcd2b21b13b257033081e026ed91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c434d7226139998c45bea9c77e42d3ab717edcd2b21b13b257033081e026ed91", kill_on_drop: false }`
[INFO] [stdout] c434d7226139998c45bea9c77e42d3ab717edcd2b21b13b257033081e026ed91
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ca15ee0fd3856119072de686989778b3c44b1d5433e6790a6b069fac05a1f95
[INFO] running `Command { std: "docker" "start" "-a" "4ca15ee0fd3856119072de686989778b3c44b1d5433e6790a6b069fac05a1f95", kill_on_drop: false }`
[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<E>) -> EventIterator<E> {
[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<E>) -> 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<T>) -> StorageIterator<T> {
[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<T>) -> StorageIterator<'_, T> {
[INFO] [stdout]     |                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling shrev v1.1.3 (/opt/rustwide/workdir)
[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<E>) -> EventIterator<E> {
[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<E>) -> 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<T>) -> StorageIterator<T> {
[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<T>) -> StorageIterator<'_, T> {
[INFO] [stdout]     |                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `Command { std: "docker" "inspect" "4ca15ee0fd3856119072de686989778b3c44b1d5433e6790a6b069fac05a1f95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ca15ee0fd3856119072de686989778b3c44b1d5433e6790a6b069fac05a1f95", kill_on_drop: false }`
[INFO] [stdout] 4ca15ee0fd3856119072de686989778b3c44b1d5433e6790a6b069fac05a1f95
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7dc4925d6a6e48193879ca562211fa17eeb6037f88128ec282eb52f52f742bc2
[INFO] running `Command { std: "docker" "start" "-a" "7dc4925d6a6e48193879ca562211fa17eeb6037f88128ec282eb52f52f742bc2", 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<E>) -> EventIterator<E> {
[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<E>) -> 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<T>) -> StorageIterator<T> {
[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<T>) -> 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 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/shrev-87503878b3c2b3f6)
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test storage::tests::iter_write_empty ... ok
[INFO] [stdout] test storage::tests::test_empty_read_rev ... ok
[INFO] [stdout] test storage::tests::test_empty_read ... ok
[INFO] [stdout] test storage::tests::test_empty_read_write_before_id ... ok
[INFO] [stdout] test storage::tests::test_empty_write ... 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_empty_read_write_before_id_rev ... ok
[INFO] [stdout] test storage::tests::test_read_wrap_around_overflow_rev ... ok
[INFO] [stdout] test storage::tests::test_send_sync ... ok
[INFO] [stdout] test storage::tests::test_read_wrap_around_rev ... ok
[INFO] [stdout] test storage::tests::test_reader_reuse ... ok
[INFO] [stdout] test storage::tests::test_size ... ok
[INFO] [stdout] test storage::tests::test_write_overflow ... ok
[INFO] [stdout] test storage::tests::test_write_slice ... ok
[INFO] [stdout] test tests::test_example ... ok
[INFO] [stdout] test storage::tests::test_too_large_write ... ok
[INFO] [stdout] test storage::tests::test_circular ... ok
[INFO] [stdout] test tests::test_grow ... ok
[INFO] [stdout] test tests::test_read_write ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/bounds.rs (/opt/rustwide/target/debug/deps/bounds-43150ad7582d5ea4)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test event_channel_bounds ... ok
[INFO] [stdout] test reader_id_bounds ... ok
[INFO] [stdout] test event_iterator_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-93ae46e33a51adc1)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test all_dropped ... ok
[INFO] [stdout] test recreated ... ok
[INFO] [stdout] test naive_negative ... ok
[INFO] [stdout] test naive_positive ... 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 0.56s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7dc4925d6a6e48193879ca562211fa17eeb6037f88128ec282eb52f52f742bc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dc4925d6a6e48193879ca562211fa17eeb6037f88128ec282eb52f52f742bc2", kill_on_drop: false }`
[INFO] [stdout] 7dc4925d6a6e48193879ca562211fa17eeb6037f88128ec282eb52f52f742bc2
