[INFO] fetching crate retry-backoff 0.2.0...
[INFO] testing retry-backoff-0.2.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate retry-backoff 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate retry-backoff 0.2.0
[INFO] finished tweaking crates.io crate retry-backoff 0.2.0
[INFO] tweaked toml for crates.io crate retry-backoff 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate retry-backoff 0.2.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate retry-backoff 0.2.0 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad3362b81323c3e711906f87a5b0351b8b0e42a3889205100fc3242ba44203cc
[INFO] running `Command { std: "docker" "start" "-a" "ad3362b81323c3e711906f87a5b0351b8b0e42a3889205100fc3242ba44203cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad3362b81323c3e711906f87a5b0351b8b0e42a3889205100fc3242ba44203cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad3362b81323c3e711906f87a5b0351b8b0e42a3889205100fc3242ba44203cc", kill_on_drop: false }`
[INFO] [stdout] ad3362b81323c3e711906f87a5b0351b8b0e42a3889205100fc3242ba44203cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d35a1fe08d18d49221e337038c91726fc3af562d8bb858e2364886f3d5ae6543
[INFO] running `Command { std: "docker" "start" "-a" "d35a1fe08d18d49221e337038c91726fc3af562d8bb858e2364886f3d5ae6543", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling exponential-backoff v2.1.0
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling backoff-rs v0.1.0
[INFO] [stderr]    Compiling retry-backoff v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.97s
[INFO] running `Command { std: "docker" "inspect" "d35a1fe08d18d49221e337038c91726fc3af562d8bb858e2364886f3d5ae6543", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d35a1fe08d18d49221e337038c91726fc3af562d8bb858e2364886f3d5ae6543", kill_on_drop: false }`
[INFO] [stdout] d35a1fe08d18d49221e337038c91726fc3af562d8bb858e2364886f3d5ae6543
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d28d6a4c3a6a68ec5a5ff9fd57f94c9e511411bbf77e9cd605dd4ea838f0f3b3
[INFO] running `Command { std: "docker" "start" "-a" "d28d6a4c3a6a68ec5a5ff9fd57f94c9e511411bbf77e9cd605dd4ea838f0f3b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling retry-backoff v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "d28d6a4c3a6a68ec5a5ff9fd57f94c9e511411bbf77e9cd605dd4ea838f0f3b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d28d6a4c3a6a68ec5a5ff9fd57f94c9e511411bbf77e9cd605dd4ea838f0f3b3", kill_on_drop: false }`
[INFO] [stdout] d28d6a4c3a6a68ec5a5ff9fd57f94c9e511411bbf77e9cd605dd4ea838f0f3b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 51d7534d80489794c152b79632c401a11195d9bb636e1cc21d01a7ce3860eeb1
[INFO] running `Command { std: "docker" "start" "-a" "51d7534d80489794c152b79632c401a11195d9bb636e1cc21d01a7ce3860eeb1", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/retry_backoff-aaddade0879af041)
[INFO] [stdout] running 7 tests
[INFO] [stderr]    Doc-tests retry_backoff
[INFO] [stdout] test backoffs::google_cloud_workflows::tests::test_default_backoff ... ok
[INFO] [stdout] test backoffs::google_cloud_workflows::tests::test_impl_retry_backoff ... ok
[INFO] [stdout] test backoffs::google_cloud_workflows::tests::test_delay ... ok
[INFO] [stdout] test backoffs::impl_backoff_rs::tests::test_impl_retry_backoff ... ok
[INFO] [stdout] test backoffs::impl_exponential_backoff::tests::test_impl_retry_backoff ... ok
[INFO] [stdout] test backoffs::r#fn::tests::test_impl_retry_backoff ... ok
[INFO] [stdout] test backoffs::r#fn::tests::test_from_f ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[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" "51d7534d80489794c152b79632c401a11195d9bb636e1cc21d01a7ce3860eeb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51d7534d80489794c152b79632c401a11195d9bb636e1cc21d01a7ce3860eeb1", kill_on_drop: false }`
[INFO] [stdout] 51d7534d80489794c152b79632c401a11195d9bb636e1cc21d01a7ce3860eeb1