[INFO] crate failsafe 0.3.1 is already in cache
[INFO] extracting crate failsafe 0.3.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/failsafe/0.3.1
[INFO] extracting crate failsafe 0.3.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/failsafe/0.3.1
[INFO] validating manifest of failsafe-0.3.1 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of failsafe-0.3.1 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing failsafe-0.3.1
[INFO] finished frobbing failsafe-0.3.1
[INFO] frobbed toml for failsafe-0.3.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/failsafe/0.3.1/Cargo.toml
[INFO] started frobbing failsafe-0.3.1
[INFO] finished frobbing failsafe-0.3.1
[INFO] frobbed toml for failsafe-0.3.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/failsafe/0.3.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing failsafe-0.3.1 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/failsafe/0.3.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 2a07d156b62265b7a3fe16f2f4970d1aa29c9fa372e49c4e6777e063fa703858
[INFO] running `"docker" "start" "-a" "2a07d156b62265b7a3fe16f2f4970d1aa29c9fa372e49c4e6777e063fa703858"`
[INFO] [stderr]    Compiling spin v0.4.10
[INFO] [stderr]    Compiling failsafe v0.3.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "2a07d156b62265b7a3fe16f2f4970d1aa29c9fa372e49c4e6777e063fa703858"`
[INFO] running `"docker" "rm" "-f" "2a07d156b62265b7a3fe16f2f4970d1aa29c9fa372e49c4e6777e063fa703858"`
[INFO] [stdout] 2a07d156b62265b7a3fe16f2f4970d1aa29c9fa372e49c4e6777e063fa703858
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/failsafe/0.3.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] d3253256cb3c57b25f11d8f12e457fa0369aaac8674df07643f5ee95166ef741
[INFO] running `"docker" "start" "-a" "d3253256cb3c57b25f11d8f12e457fa0369aaac8674df07643f5ee95166ef741"`
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.15
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling failsafe v0.3.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.71s
[INFO] running `"docker" "inspect" "d3253256cb3c57b25f11d8f12e457fa0369aaac8674df07643f5ee95166ef741"`
[INFO] running `"docker" "rm" "-f" "d3253256cb3c57b25f11d8f12e457fa0369aaac8674df07643f5ee95166ef741"`
[INFO] [stdout] d3253256cb3c57b25f11d8f12e457fa0369aaac8674df07643f5ee95166ef741
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/failsafe/0.3.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 8e3bda40df52867e96096876ace78d98078445ea40ae93ff7d3973be49f31193
[INFO] running `"docker" "start" "-a" "8e3bda40df52867e96096876ace78d98078445ea40ae93ff7d3973be49f31193"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/failsafe-982a583b87ac7748
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test backoff::tests::constant_growth ... ok
[INFO] [stdout] test backoff::tests::full_jittered_growth ... ok
[INFO] [stdout] test ema::tests::reset ... ok
[INFO] [stdout] test backoff::tests::exponential_growth ... ok
[INFO] [stdout] test failure_policy::tests::consecutive_failures::fail_on_nth_attempt ... ok
[INFO] [stdout] test circuit_breaker::tests::call_err ... ok
[INFO] [stdout] test circuit_breaker::tests::call_with ... ok
[INFO] [stdout] test circuit_breaker::tests::call_ok ... ok
[INFO] [stdout] test ema::tests::compute ... ok
[INFO] [stdout] test ema::tests::updates_are_time_invariant ... ok
[INFO] [stdout] test backoff::tests::equal_jittered_growth ... ok
[INFO] [stdout] test failure_policy::tests::or_else::compose_policies ... ok
[INFO] [stdout] test failure_policy::tests::success_rate_over_time_window::fail_when_success_rate_not_met ... ok
[INFO] [stdout] test failure_policy::tests::success_rate_over_time_window::fractional_success_rate ... ok
[INFO] [stdout] test failure_policy::tests::success_rate_over_time_window::revived_resets_failures ... ok
[INFO] [stdout] test failure_predicate::tests::use_func_as_failure_predicate ... ok
[INFO] [stdout] test failure_policy::tests::success_rate_over_time_window::respects_rps_threshold ... ok
[INFO] [stdout] test failure_policy::tests::consecutive_failures::reset_to_zero_on_success ... ok
[INFO] [stdout] test failure_policy::tests::consecutive_failures::reset_to_zero_on_revived ... ok
[INFO] [stdout] test state_machine::tests::state_machine ... ok
[INFO] [stdout] test windowed_adder::tests::negative_sums ... ok
[INFO] [stdout] test windowed_adder::tests::sliding_over_large_window ... ok
[INFO] [stdout] test failure_policy::tests::consecutive_failures::iterates_over_backoff ... ok
[INFO] [stdout] test windowed_adder::tests::sliding_over_small_window ... ok
[INFO] [stdout] test windowed_adder::tests::sliding_window_when_slices_are_skipped ... ok
[INFO] [stdout] test windowed_adder::tests::sum_when_time_stands_still ... ok
[INFO] [stdout] test futures::tests::call_err ... ok
[INFO] [stdout] test futures::tests::call_with ... ok
[INFO] [stdout] test ema::tests::non_monotonic_timestamp ... ok
[INFO] [stdout] test futures::tests::call_ok ... ok
[INFO] [stderr]    Doc-tests failsafe
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs -  (line 52) ... ok
[INFO] [stdout] test src/lib.rs -  (line 15) ... ok
[INFO] [stdout] test src/futures/mod.rs - futures (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "8e3bda40df52867e96096876ace78d98078445ea40ae93ff7d3973be49f31193"`
[INFO] running `"docker" "rm" "-f" "8e3bda40df52867e96096876ace78d98078445ea40ae93ff7d3973be49f31193"`
[INFO] [stdout] 8e3bda40df52867e96096876ace78d98078445ea40ae93ff7d3973be49f31193