[INFO] crate futures-backoff 0.1.0 is already in cache
[INFO] testing futures-backoff-0.1.0 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate futures-backoff 0.1.0 into work/builds/worker-2/source
[INFO] validating manifest of crates.io crate futures-backoff 0.1.0 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate futures-backoff 0.1.0
[INFO] finished tweaking crates.io crate futures-backoff 0.1.0
[INFO] tweaked toml for crates.io crate futures-backoff 0.1.0 written to work/builds/worker-2/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 38e040e3728058daac004634ceb60d6e0a7828a22d3877c9310fca0808b4d0e6
[INFO] running `"docker" "start" "-a" "38e040e3728058daac004634ceb60d6e0a7828a22d3877c9310fca0808b4d0e6"`
[INFO] [stderr]    Compiling futures-backoff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `"docker" "inspect" "38e040e3728058daac004634ceb60d6e0a7828a22d3877c9310fca0808b4d0e6"`
[INFO] running `"docker" "rm" "-f" "38e040e3728058daac004634ceb60d6e0a7828a22d3877c9310fca0808b4d0e6"`
[INFO] [stdout] 38e040e3728058daac004634ceb60d6e0a7828a22d3877c9310fca0808b4d0e6
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4c4ee851f6dd470acd3a83e6c01e643fd6446ed560e83217b44d6603b89e8461
[INFO] running `"docker" "start" "-a" "4c4ee851f6dd470acd3a83e6c01e643fd6446ed560e83217b44d6603b89e8461"`
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling quickcheck v0.6.2
[INFO] [stderr]    Compiling futures-backoff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.00s
[INFO] running `"docker" "inspect" "4c4ee851f6dd470acd3a83e6c01e643fd6446ed560e83217b44d6603b89e8461"`
[INFO] running `"docker" "rm" "-f" "4c4ee851f6dd470acd3a83e6c01e643fd6446ed560e83217b44d6603b89e8461"`
[INFO] [stdout] 4c4ee851f6dd470acd3a83e6c01e643fd6446ed560e83217b44d6603b89e8461
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 8978378c11b470d77e27125f778138041a4638532271f0e1d7894cf2081c2324
[INFO] running `"docker" "start" "-a" "8978378c11b470d77e27125f778138041a4638532271f0e1d7894cf2081c2324"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/futures_backoff-c1ff34e516819a5b
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test future::tests::attempts_just_once ... ok
[INFO] [stdout] test strategy::exponential_returns_max_when_max_less_than_base ... ok
[INFO] [stdout] test strategy::exponential_returns_multiples_of_10ms ... ok
[INFO] [stdout] test strategy::exponential_returns_multiples_of_100ms ... ok
[INFO] [stdout] test strategy::exponential_stops_increasing_at_max_delay ... ok
[INFO] [stdout] test strategy::fibonacci_returns_max_when_max_less_than_base ... ok
[INFO] [stdout] test strategy::fibonacci_returns_the_fibonacci_series_starting_at_10 ... ok
[INFO] [stdout] test strategy::fixed_returns_delay ... ok
[INFO] [stdout] test strategy::fibonacci_stops_increasing_at_max_delay ... ok
[INFO] [stdout] test strategy::jitter::apply_jitter_quickcheck ... ok
[INFO] [stdout] test future::tests::attempts_until_max_retries_exceeded ... ok
[INFO] [stdout] test future::tests::attempts_retry_only_if_given_condition_is_true ... ok
[INFO] [stdout] test future::tests::attempts_until_success ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests futures-backoff
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs -  (line 19) ... ok
[INFO] [stdout] test src/lib.rs - retry (line 60) ... ok
[INFO] [stdout] test src/strategy/mod.rs - strategy::Strategy (line 29) ... ok
[INFO] [stdout] test src/lib.rs - retry_if (line 87) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "8978378c11b470d77e27125f778138041a4638532271f0e1d7894cf2081c2324"`
[INFO] running `"docker" "rm" "-f" "8978378c11b470d77e27125f778138041a4638532271f0e1d7894cf2081c2324"`
[INFO] [stdout] 8978378c11b470d77e27125f778138041a4638532271f0e1d7894cf2081c2324