[INFO] fetching crate rbf 0.2.0...
[INFO] testing rbf-0.2.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate rbf 0.2.0 into /workspace/builds/worker-0-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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rbf 0.2.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2025-09-21" "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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9752d3c8247a357f56f0111d155be535b68857d673ca2a8c427e05982bb25d2d
[INFO] running `Command { std: "docker" "start" "-a" "9752d3c8247a357f56f0111d155be535b68857d673ca2a8c427e05982bb25d2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9752d3c8247a357f56f0111d155be535b68857d673ca2a8c427e05982bb25d2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9752d3c8247a357f56f0111d155be535b68857d673ca2a8c427e05982bb25d2d", kill_on_drop: false }`
[INFO] [stdout] 9752d3c8247a357f56f0111d155be535b68857d673ca2a8c427e05982bb25d2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e30f7c9e5afc389d9ce0e86280f59d490f6d795232414b60aa6b4d0e2d31222
[INFO] running `Command { std: "docker" "start" "-a" "0e30f7c9e5afc389d9ce0e86280f59d490f6d795232414b60aa6b4d0e2d31222", 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "0e30f7c9e5afc389d9ce0e86280f59d490f6d795232414b60aa6b4d0e2d31222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e30f7c9e5afc389d9ce0e86280f59d490f6d795232414b60aa6b4d0e2d31222", kill_on_drop: false }`
[INFO] [stdout] 0e30f7c9e5afc389d9ce0e86280f59d490f6d795232414b60aa6b4d0e2d31222
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc318731ff845ef519f932dc6f09a8638335b63aac35169c649aaba576614bbb
[INFO] running `Command { std: "docker" "start" "-a" "cc318731ff845ef519f932dc6f09a8638335b63aac35169c649aaba576614bbb", 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 0.47s
[INFO] running `Command { std: "docker" "inspect" "cc318731ff845ef519f932dc6f09a8638335b63aac35169c649aaba576614bbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc318731ff845ef519f932dc6f09a8638335b63aac35169c649aaba576614bbb", kill_on_drop: false }`
[INFO] [stdout] cc318731ff845ef519f932dc6f09a8638335b63aac35169c649aaba576614bbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 47901215b1bdd1036fefb7f668c6ff451097ba5eceb0e01cbe1e1ff0bc46388e
[INFO] running `Command { std: "docker" "start" "-a" "47901215b1bdd1036fefb7f668c6ff451097ba5eceb0e01cbe1e1ff0bc46388e", 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 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rbf-f5682f25c75ac91f)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::iter_convenience ... ok
[INFO] [stdout] test tests::pop_empty ... ok
[INFO] [stdout] test tests::fail_overwrite ... ok
[INFO] [stdout] test tests::consuming_iterator ... ok
[INFO] [stdout] test tests::iterator_immutable ... ok
[INFO] [stdout] test tests::single_element ... ok
[INFO] [stdout] test tests::push_overwrite ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rbf
[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" "47901215b1bdd1036fefb7f668c6ff451097ba5eceb0e01cbe1e1ff0bc46388e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47901215b1bdd1036fefb7f668c6ff451097ba5eceb0e01cbe1e1ff0bc46388e", kill_on_drop: false }`
[INFO] [stdout] 47901215b1bdd1036fefb7f668c6ff451097ba5eceb0e01cbe1e1ff0bc46388e