[INFO] crate spin_sleep 0.3.7 is already in cache
[INFO] extracting crate spin_sleep 0.3.7 into work/ex/beta-1.37-6/sources/1.36.0/reg/spin_sleep/0.3.7
[INFO] extracting crate spin_sleep 0.3.7 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/spin_sleep/0.3.7
[INFO] validating manifest of spin_sleep-0.3.7 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of spin_sleep-0.3.7 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing spin_sleep-0.3.7
[INFO] finished frobbing spin_sleep-0.3.7
[INFO] frobbed toml for spin_sleep-0.3.7 written to work/ex/beta-1.37-6/sources/1.36.0/reg/spin_sleep/0.3.7/Cargo.toml
[INFO] started frobbing spin_sleep-0.3.7
[INFO] finished frobbing spin_sleep-0.3.7
[INFO] frobbed toml for spin_sleep-0.3.7 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/spin_sleep/0.3.7/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing spin_sleep-0.3.7 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/spin_sleep/0.3.7:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] da5f5011e9fff535ec7b05dab15a4137750a42bfc039c8ab5e39b1f09e8e7ece
[INFO] running `"docker" "start" "-a" "da5f5011e9fff535ec7b05dab15a4137750a42bfc039c8ab5e39b1f09e8e7ece"`
[INFO] [stderr]    Compiling spin_sleep v0.3.7 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "da5f5011e9fff535ec7b05dab15a4137750a42bfc039c8ab5e39b1f09e8e7ece"`
[INFO] running `"docker" "rm" "-f" "da5f5011e9fff535ec7b05dab15a4137750a42bfc039c8ab5e39b1f09e8e7ece"`
[INFO] [stdout] da5f5011e9fff535ec7b05dab15a4137750a42bfc039c8ab5e39b1f09e8e7ece
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/spin_sleep/0.3.7:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 21e3d64c53bd3e0dd7922f4630b5fa258e47c07bcd16473e6e6b2c9768256234
[INFO] running `"docker" "start" "-a" "21e3d64c53bd3e0dd7922f4630b5fa258e47c07bcd16473e6e6b2c9768256234"`
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling spin_sleep v0.3.7 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `"docker" "inspect" "21e3d64c53bd3e0dd7922f4630b5fa258e47c07bcd16473e6e6b2c9768256234"`
[INFO] running `"docker" "rm" "-f" "21e3d64c53bd3e0dd7922f4630b5fa258e47c07bcd16473e6e6b2c9768256234"`
[INFO] [stdout] 21e3d64c53bd3e0dd7922f4630b5fa258e47c07bcd16473e6e6b2c9768256234
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/spin_sleep/0.3.7:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] fac0c4a80c3935f96e842ba2a2d933c9f87a14aef88dfb4c39b8369602d8e913
[INFO] running `"docker" "start" "-a" "fac0c4a80c3935f96e842ba2a2d933c9f87a14aef88dfb4c39b8369602d8e913"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/spin_sleep-dcfe1f7d41e06270
[INFO] [stdout] running 6 tests
[INFO] [stdout] test print_estimated_thread_sleep_accuracy ... ignored
[INFO] [stdout] test loop_helper::loop_helper_test::get_set_target_rate ... ok
[INFO] [stdout] test loop_helper::loop_helper_test::duration_f64_conversion ... ok
[INFO] [stdout] test loop_helper::loop_helper_test::loop_sleep_already_past_target ... ok
[INFO] [stdout] test loop_helper::loop_helper_test::rate_reporting_using_seconds ... ok
[INFO] [stdout] test loop_helper::loop_helper_test::rate_reporting_using_duration ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests spin_sleep
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs -  (line 23) ... ok
[INFO] [stdout] test src/lib.rs -  (line 14) ... ok
[INFO] [stdout] test src/loop_helper.rs - loop_helper::LoopHelper (line 39) ... ok
[INFO] [stdout] test src/lib.rs -  (line 38) ... ok
[INFO] [stdout] test src/lib.rs -  (line 46) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "fac0c4a80c3935f96e842ba2a2d933c9f87a14aef88dfb4c39b8369602d8e913"`
[INFO] running `"docker" "rm" "-f" "fac0c4a80c3935f96e842ba2a2d933c9f87a14aef88dfb4c39b8369602d8e913"`
[INFO] [stdout] fac0c4a80c3935f96e842ba2a2d933c9f87a14aef88dfb4c39b8369602d8e913