[INFO] fetching crate rbf 0.2.0...
[INFO] testing rbf-0.2.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rbf 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate rbf 0.2.0
[INFO] finished tweaking crates.io crate rbf 0.2.0
[INFO] tweaked toml for crates.io crate rbf 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rbf 0.2.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f99cfd63dc44c70c02e73a6cf0fbd28ff17761f2b49e2d165f59da9708e7abfe
[INFO] running `Command { std: "docker" "start" "-a" "f99cfd63dc44c70c02e73a6cf0fbd28ff17761f2b49e2d165f59da9708e7abfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f99cfd63dc44c70c02e73a6cf0fbd28ff17761f2b49e2d165f59da9708e7abfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f99cfd63dc44c70c02e73a6cf0fbd28ff17761f2b49e2d165f59da9708e7abfe", kill_on_drop: false }`
[INFO] [stdout] f99cfd63dc44c70c02e73a6cf0fbd28ff17761f2b49e2d165f59da9708e7abfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 3100f9bccefaefaf0154ae59b49ecc9b13b78ab5ccaa8fb7956e1fd1eae5399a
[INFO] running `Command { std: "docker" "start" "-a" "3100f9bccefaefaf0154ae59b49ecc9b13b78ab5ccaa8fb7956e1fd1eae5399a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rbf v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:147:17
[INFO] [stdout]     |
[INFO] [stdout] 147 |     pub fn iter(&self) -> IntoIteratorRingbuffer<T, SIZE> {
[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] 147 |     pub fn iter(&self) -> IntoIteratorRingbuffer<'_, T, SIZE> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3100f9bccefaefaf0154ae59b49ecc9b13b78ab5ccaa8fb7956e1fd1eae5399a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3100f9bccefaefaf0154ae59b49ecc9b13b78ab5ccaa8fb7956e1fd1eae5399a", kill_on_drop: false }`
[INFO] [stdout] 3100f9bccefaefaf0154ae59b49ecc9b13b78ab5ccaa8fb7956e1fd1eae5399a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e3796ad473653b7229834eaadd6a787111c5932519c8db73c6e7da2e22a967d2
[INFO] running `Command { std: "docker" "start" "-a" "e3796ad473653b7229834eaadd6a787111c5932519c8db73c6e7da2e22a967d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling rbf v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:147:17
[INFO] [stdout]     |
[INFO] [stdout] 147 |     pub fn iter(&self) -> IntoIteratorRingbuffer<T, SIZE> {
[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] 147 |     pub fn iter(&self) -> IntoIteratorRingbuffer<'_, T, SIZE> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:147:17
[INFO] [stdout]     |
[INFO] [stdout] 147 |     pub fn iter(&self) -> IntoIteratorRingbuffer<T, SIZE> {
[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] 147 |     pub fn iter(&self) -> IntoIteratorRingbuffer<'_, T, SIZE> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "e3796ad473653b7229834eaadd6a787111c5932519c8db73c6e7da2e22a967d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3796ad473653b7229834eaadd6a787111c5932519c8db73c6e7da2e22a967d2", kill_on_drop: false }`
[INFO] [stdout] e3796ad473653b7229834eaadd6a787111c5932519c8db73c6e7da2e22a967d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 3564980b0b558ec1d7927de43ba39ebe0c05e75ad592079a5d79101ac76fc3ec
[INFO] running `Command { std: "docker" "start" "-a" "3564980b0b558ec1d7927de43ba39ebe0c05e75ad592079a5d79101ac76fc3ec", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:147:17
[INFO] [stderr]     |
[INFO] [stderr] 147 |     pub fn iter(&self) -> IntoIteratorRingbuffer<T, SIZE> {
[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] 147 |     pub fn iter(&self) -> IntoIteratorRingbuffer<'_, T, SIZE> {
[INFO] [stderr]     |                                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: `rbf` (lib) generated 1 warning (run `cargo fix --lib -p rbf` to apply 1 suggestion)
[INFO] [stderr] warning: `rbf` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rbf-355e2ad9d37b853a)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::fail_overwrite ... ok
[INFO] [stdout] test tests::consuming_iterator ... ok
[INFO] [stdout] test tests::iter_convenience ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test tests::iterator_immutable ... ok
[INFO] [stderr]    Doc-tests rbf
[INFO] [stdout] test tests::pop_empty ... ok
[INFO] [stdout] test tests::push_overwrite ... ok
[INFO] [stdout] test tests::single_element ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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" "3564980b0b558ec1d7927de43ba39ebe0c05e75ad592079a5d79101ac76fc3ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3564980b0b558ec1d7927de43ba39ebe0c05e75ad592079a5d79101ac76fc3ec", kill_on_drop: false }`
[INFO] [stdout] 3564980b0b558ec1d7927de43ba39ebe0c05e75ad592079a5d79101ac76fc3ec
