[INFO] fetching crate retry-strategy 0.2.0...
[INFO] testing retry-strategy-0.2.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate retry-strategy 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate retry-strategy 0.2.0
[INFO] finished tweaking crates.io crate retry-strategy 0.2.0
[INFO] tweaked toml for crates.io crate retry-strategy 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate retry-strategy 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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 26 packages to latest compatible versions
[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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 85901f55d9b2525ae3b3b6132fc2be5a5bcf091a0a855a0db415eb9339b5531a
[INFO] running `Command { std: "docker" "start" "-a" "85901f55d9b2525ae3b3b6132fc2be5a5bcf091a0a855a0db415eb9339b5531a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85901f55d9b2525ae3b3b6132fc2be5a5bcf091a0a855a0db415eb9339b5531a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85901f55d9b2525ae3b3b6132fc2be5a5bcf091a0a855a0db415eb9339b5531a", kill_on_drop: false }`
[INFO] [stdout] 85901f55d9b2525ae3b3b6132fc2be5a5bcf091a0a855a0db415eb9339b5531a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] dd7a37173cf10f281052d466610f61c43bdd5a9777b1fffca45403e28401745e
[INFO] running `Command { std: "docker" "start" "-a" "dd7a37173cf10f281052d466610f61c43bdd5a9777b1fffca45403e28401745e", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling pin-project-internal v1.1.11
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling tokio v1.52.1
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling pin-project v1.1.11
[INFO] [stderr]    Compiling futures-executor v0.3.32
[INFO] [stderr]    Compiling futures v0.3.32
[INFO] [stderr]    Compiling retry-strategy v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `random`
[INFO] [stdout]  --> src/strategy/mod.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[cfg(feature = "random")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `random` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `random`
[INFO] [stdout]  --> src/strategy/mod.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[cfg(feature = "random")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `random` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.64s
[INFO] running `Command { std: "docker" "inspect" "dd7a37173cf10f281052d466610f61c43bdd5a9777b1fffca45403e28401745e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd7a37173cf10f281052d466610f61c43bdd5a9777b1fffca45403e28401745e", kill_on_drop: false }`
[INFO] [stdout] dd7a37173cf10f281052d466610f61c43bdd5a9777b1fffca45403e28401745e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 44bbd3026d9dc08e7e88bd44edfc77e43784d634c4d280c2eadc6e12573ed4c4
[INFO] running `Command { std: "docker" "start" "-a" "44bbd3026d9dc08e7e88bd44edfc77e43784d634c4d280c2eadc6e12573ed4c4", kill_on_drop: false }`
[INFO] [stdout] warning: unexpected `cfg` condition value: `random`
[INFO] [stdout]  --> src/strategy/mod.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[cfg(feature = "random")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `random` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `random`
[INFO] [stdout]  --> src/strategy/mod.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[cfg(feature = "random")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `random` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling retry-strategy v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `random`
[INFO] [stdout]  --> src/strategy/mod.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[cfg(feature = "random")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `random` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `random`
[INFO] [stdout]  --> src/strategy/mod.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[cfg(feature = "random")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `random` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "44bbd3026d9dc08e7e88bd44edfc77e43784d634c4d280c2eadc6e12573ed4c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44bbd3026d9dc08e7e88bd44edfc77e43784d634c4d280c2eadc6e12573ed4c4", kill_on_drop: false }`
[INFO] [stdout] 44bbd3026d9dc08e7e88bd44edfc77e43784d634c4d280c2eadc6e12573ed4c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] b702dc69d42d29eb3343da9c3c2cd98dd2d58a0ed4c75a075c2a0abb8c07dca1
[INFO] running `Command { std: "docker" "start" "-a" "b702dc69d42d29eb3343da9c3c2cd98dd2d58a0ed4c75a075c2a0abb8c07dca1", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition value: `random`
[INFO] [stderr]  --> src/strategy/mod.rs:6:7
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[cfg(feature = "random")]
[INFO] [stderr]   |       ^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stderr]   |
[INFO] [stderr]   = note: no expected values for `feature`
[INFO] [stderr]   = help: consider adding `random` as a feature in `Cargo.toml`
[INFO] [stderr]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `random`
[INFO] [stderr]  --> src/strategy/mod.rs:9:7
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[cfg(feature = "random")]
[INFO] [stderr]   |       ^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stderr]   |
[INFO] [stderr]   = note: no expected values for `feature`
[INFO] [stderr]   = help: consider adding `random` as a feature in `Cargo.toml`
[INFO] [stderr]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: `retry-strategy` (lib) generated 2 warnings
[INFO] [stderr] warning: `retry-strategy` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/retry_strategy-577665e46a3489bd)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test strategy::tests::exponential_overflow ... ok
[INFO] [stdout] test strategy::tests::exponential_with_factor ... ok
[INFO] [stdout] test strategy::tests::fibonacci ... ok
[INFO] [stdout] test strategy::tests::fibonacci_saturated ... ok
[INFO] [stdout] test strategy::tests::test_opportunity ... ok
[INFO] [stdout] test tests::test_retry ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.57s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests retry_strategy
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - retry (line 63) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - retry (line 63) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `sleep` in this scope
[INFO] [stdout]   --> src/lib.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         sleep(Duration::from_millis(250)).await;
[INFO] [stdout]    |         ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]    |
[INFO] [stdout] 63 + use std::thread::sleep;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `Duration` in this scope
[INFO] [stdout]   --> src/lib.rs:67:15
[INFO] [stdout]    |
[INFO] [stdout] 67 |         sleep(Duration::from_millis(250)).await;
[INFO] [stdout]    |               ^^^^^^^^ use of undeclared type `Duration`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 63 + use std::time::Duration;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]   --> src/lib.rs:70:3
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_63_0() {
[INFO] [stdout]    |                                      ---------------------------------- this is not `async`
[INFO] [stdout] ...
[INFO] [stdout] 70 | ).await;
[INFO] [stdout]    |   ^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error[E0689]: can't call method `ms` on ambiguous numeric type `{integer}`
[INFO] [stdout]   --> src/lib.rs:65:14
[INFO] [stdout]    |
[INFO] [stdout] 65 |     vec![100.ms(), 200.ms(), 300.ms()],
[INFO] [stdout]    |              ^^
[INFO] [stdout]    |
[INFO] [stdout] help: you must specify a concrete type for this numeric value, like `i32`
[INFO] [stdout]    |
[INFO] [stdout] 65 |     vec![100_i32.ms(), 200.ms(), 300.ms()],
[INFO] [stdout]    |             ++++
[INFO] [stdout] 
[INFO] [stdout] error[E0689]: can't call method `ms` on ambiguous numeric type `{integer}`
[INFO] [stdout]   --> src/lib.rs:65:24
[INFO] [stdout]    |
[INFO] [stdout] 65 |     vec![100.ms(), 200.ms(), 300.ms()],
[INFO] [stdout]    |                        ^^
[INFO] [stdout]    |
[INFO] [stdout] help: you must specify a concrete type for this numeric value, like `i32`
[INFO] [stdout]    |
[INFO] [stdout] 65 |     vec![100.ms(), 200_i32.ms(), 300.ms()],
[INFO] [stdout]    |                       ++++
[INFO] [stdout] 
[INFO] [stdout] error[E0689]: can't call method `ms` on ambiguous numeric type `{integer}`
[INFO] [stdout]   --> src/lib.rs:65:34
[INFO] [stdout]    |
[INFO] [stdout] 65 |     vec![100.ms(), 200.ms(), 300.ms()],
[INFO] [stdout]    |                                  ^^
[INFO] [stdout]    |
[INFO] [stdout] help: you must specify a concrete type for this numeric value, like `i32`
[INFO] [stdout]    |
[INFO] [stdout] 65 |     vec![100.ms(), 200.ms(), 300_i32.ms()],
[INFO] [stdout]    |                                 ++++
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `retry` in this scope
[INFO] [stdout]   --> src/lib.rs:64:11
[INFO] [stdout]    |
[INFO] [stdout] 64 | let res = retry(
[INFO] [stdout]    |           ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433, E0689, E0728.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - retry (line 63)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "b702dc69d42d29eb3343da9c3c2cd98dd2d58a0ed4c75a075c2a0abb8c07dca1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b702dc69d42d29eb3343da9c3c2cd98dd2d58a0ed4c75a075c2a0abb8c07dca1", kill_on_drop: false }`
[INFO] [stdout] b702dc69d42d29eb3343da9c3c2cd98dd2d58a0ed4c75a075c2a0abb8c07dca1
