[INFO] fetching crate rbtree-arena 0.1.0... [INFO] testing rbtree-arena-0.1.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate rbtree-arena 0.1.0 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate rbtree-arena 0.1.0 [INFO] finished tweaking crates.io crate rbtree-arena 0.1.0 [INFO] tweaked toml for crates.io crate rbtree-arena 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate rbtree-arena 0.1.0 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] [stderr] Updating crates.io index [INFO] [stderr] Locking 6 packages to latest compatible versions [INFO] [stderr] Adding thiserror v1.0.69 (available: v2.0.17) [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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 151ecd32e6f263c4d7ba51c6a17b06020e8e8b533a4cbaf5d7129c58a57fdcad [INFO] running `Command { std: "docker" "start" "-a" "151ecd32e6f263c4d7ba51c6a17b06020e8e8b533a4cbaf5d7129c58a57fdcad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "151ecd32e6f263c4d7ba51c6a17b06020e8e8b533a4cbaf5d7129c58a57fdcad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "151ecd32e6f263c4d7ba51c6a17b06020e8e8b533a4cbaf5d7129c58a57fdcad", kill_on_drop: false }` [INFO] [stdout] 151ecd32e6f263c4d7ba51c6a17b06020e8e8b533a4cbaf5d7129c58a57fdcad [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0e9ba8e15ebd742f852cb63df274ee69885910cb2246816dfd244c9839bc4940 [INFO] running `Command { std: "docker" "start" "-a" "0e9ba8e15ebd742f852cb63df274ee69885910cb2246816dfd244c9839bc4940", kill_on_drop: false }` [INFO] [stderr] Compiling rbtree-arena v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:434:17 [INFO] [stdout] | [INFO] [stdout] 434 | pub fn iter(&self) -> Iter { [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] 434 | pub fn iter(&self) -> Iter<'_, K, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s [INFO] running `Command { std: "docker" "inspect" "0e9ba8e15ebd742f852cb63df274ee69885910cb2246816dfd244c9839bc4940", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e9ba8e15ebd742f852cb63df274ee69885910cb2246816dfd244c9839bc4940", kill_on_drop: false }` [INFO] [stdout] 0e9ba8e15ebd742f852cb63df274ee69885910cb2246816dfd244c9839bc4940 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 266e39d3230e71738edb73b43485ea8afed70b5f6987274dc59033649367a20c [INFO] running `Command { std: "docker" "start" "-a" "266e39d3230e71738edb73b43485ea8afed70b5f6987274dc59033649367a20c", kill_on_drop: false }` [INFO] [stderr] Compiling rbtree-arena v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:434:17 [INFO] [stdout] | [INFO] [stdout] 434 | pub fn iter(&self) -> Iter { [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] 434 | pub fn iter(&self) -> Iter<'_, K, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:434:17 [INFO] [stdout] | [INFO] [stdout] 434 | pub fn iter(&self) -> Iter { [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] 434 | pub fn iter(&self) -> Iter<'_, K, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.70s [INFO] running `Command { std: "docker" "inspect" "266e39d3230e71738edb73b43485ea8afed70b5f6987274dc59033649367a20c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "266e39d3230e71738edb73b43485ea8afed70b5f6987274dc59033649367a20c", kill_on_drop: false }` [INFO] [stdout] 266e39d3230e71738edb73b43485ea8afed70b5f6987274dc59033649367a20c [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b93b349f8f5d88ee5047b43cd75956cd43d7ed2be8ff2fc46ff3608f5b3a7053 [INFO] running `Command { std: "docker" "start" "-a" "b93b349f8f5d88ee5047b43cd75956cd43d7ed2be8ff2fc46ff3608f5b3a7053", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:434:17 [INFO] [stderr] | [INFO] [stderr] 434 | pub fn iter(&self) -> Iter { [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] 434 | pub fn iter(&self) -> Iter<'_, K, V> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `rbtree-arena` (lib) generated 1 warning (run `cargo fix --lib -p rbtree-arena` to apply 1 suggestion) [INFO] [stderr] warning: `rbtree-arena` (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/rbtree_arena-5928484fda7636b4) [INFO] [stdout] [INFO] [stderr] Doc-tests rbtree_arena [INFO] [stdout] running 11 tests [INFO] [stdout] test tests::clear ... ok [INFO] [stdout] test tests::insert_str ... ok [INFO] [stdout] test tests::tree_that_runs_all_rotations_and_coloring ... ok [INFO] [stdout] test tests::into_iter_reverse ... ok [INFO] [stdout] test tests::iter ... ok [INFO] [stdout] test tests::iter_reverse ... ok [INFO] [stdout] test tests::into_iter ... ok [INFO] [stdout] test tests::insert_int ... ok [INFO] [stdout] test tests::equality ... ok [INFO] [stdout] test tests::iter_clone ... ok [INFO] [stdout] test tests::into_iter_for_loop_no_crash ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 11 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" "b93b349f8f5d88ee5047b43cd75956cd43d7ed2be8ff2fc46ff3608f5b3a7053", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b93b349f8f5d88ee5047b43cd75956cd43d7ed2be8ff2fc46ff3608f5b3a7053", kill_on_drop: false }` [INFO] [stdout] b93b349f8f5d88ee5047b43cd75956cd43d7ed2be8ff2fc46ff3608f5b3a7053