[INFO] fetching crate tower-circuitbreaker 0.1.1...
[INFO] testing tower-circuitbreaker-0.1.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate tower-circuitbreaker 0.1.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate tower-circuitbreaker 0.1.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate tower-circuitbreaker 0.1.1
[INFO] tweaked toml for crates.io crate tower-circuitbreaker 0.1.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tower-circuitbreaker 0.1.1 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 tower-circuitbreaker 0.1.1 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-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 207950283be5f19d746494edc473aa9a7e4a36932e6ae41c6fb1f75af12b70d4
[INFO] running `Command { std: "docker" "start" "-a" "207950283be5f19d746494edc473aa9a7e4a36932e6ae41c6fb1f75af12b70d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "207950283be5f19d746494edc473aa9a7e4a36932e6ae41c6fb1f75af12b70d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "207950283be5f19d746494edc473aa9a7e4a36932e6ae41c6fb1f75af12b70d4", kill_on_drop: false }`
[INFO] [stdout] 207950283be5f19d746494edc473aa9a7e4a36932e6ae41c6fb1f75af12b70d4
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 387584ea2500af49d516d5eb86607ef279a3440790671f1d68179da2588d21bd
[INFO] running `Command { std: "docker" "start" "-a" "387584ea2500af49d516d5eb86607ef279a3440790671f1d68179da2588d21bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling tower-service v0.3.3
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling tower-layer v0.3.3
[INFO] [stderr]    Compiling tokio v1.45.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling tower v0.5.2
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling tower-circuitbreaker v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.82s
[INFO] running `Command { std: "docker" "inspect" "387584ea2500af49d516d5eb86607ef279a3440790671f1d68179da2588d21bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "387584ea2500af49d516d5eb86607ef279a3440790671f1d68179da2588d21bd", kill_on_drop: false }`
[INFO] [stdout] 387584ea2500af49d516d5eb86607ef279a3440790671f1d68179da2588d21bd
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b830aadaf0f62a57e9528f9fa9c8e2f1946657ec94bd6096687b2295ebd280c
[INFO] running `Command { std: "docker" "start" "-a" "4b830aadaf0f62a57e9528f9fa9c8e2f1946657ec94bd6096687b2295ebd280c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling socket2 v0.5.9
[INFO] [stderr]    Compiling signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling tokio v1.45.0
[INFO] [stderr]    Compiling tower-circuitbreaker v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 15.08s
[INFO] running `Command { std: "docker" "inspect" "4b830aadaf0f62a57e9528f9fa9c8e2f1946657ec94bd6096687b2295ebd280c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b830aadaf0f62a57e9528f9fa9c8e2f1946657ec94bd6096687b2295ebd280c", kill_on_drop: false }`
[INFO] [stdout] 4b830aadaf0f62a57e9528f9fa9c8e2f1946657ec94bd6096687b2295ebd280c
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 46dd111da47168ed174147da5495af38fa2cadc924e59a9004af0f13a86b2e6a
[INFO] running `Command { std: "docker" "start" "-a" "46dd111da47168ed174147da5495af38fa2cadc924e59a9004af0f13a86b2e6a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tower_circuitbreaker-2a194e95def94c77)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::manual_override_controls_work ... ok
[INFO] [stdout] test tests::test_error_helpers ... ok
[INFO] [stdout] test tests::stays_closed_on_low_failure_rate ... ok
[INFO] [stdout] test tests::transitions_to_open_on_high_failure_rate ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration.rs (/opt/rustwide/target/debug/deps/integration-5a97079f622fd8cf)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test circuit_opens_after_consecutive_failures ... ok
[INFO] [stdout] test does_not_trip_before_window_full ... ok
[INFO] [stdout] test all_successes_keep_circuit_closed ... ok
[INFO] [stdout] test circuit_rejects_when_open ... ok
[INFO] [stdout] test does_not_trip_if_minimum_not_met ... ok
[INFO] [stdout] test closed_open_halfopen_closed_cycle ... ok
[INFO] [stdout] test half_open_fails_and_reopens ... ok
[INFO] [stdout] test circuit_transitions_through_half_open_and_recovers ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tower_circuitbreaker
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 24) ... ignored
[INFO] [stdout] test src/lib.rs - (line 56) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 1.05s; merged doctests compilation took 0.97s
[INFO] running `Command { std: "docker" "inspect" "46dd111da47168ed174147da5495af38fa2cadc924e59a9004af0f13a86b2e6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46dd111da47168ed174147da5495af38fa2cadc924e59a9004af0f13a86b2e6a", kill_on_drop: false }`
[INFO] [stdout] 46dd111da47168ed174147da5495af38fa2cadc924e59a9004af0f13a86b2e6a
