[INFO] fetching crate exponential-decay-histogram 0.1.5...
[INFO] extracting crate exponential-decay-histogram 0.1.5 into work/ex/beta-1.37-6/sources/1.36.0/reg/exponential-decay-histogram/0.1.5
[INFO] extracting crate exponential-decay-histogram 0.1.5 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/exponential-decay-histogram/0.1.5
[INFO] validating manifest of exponential-decay-histogram-0.1.5 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 exponential-decay-histogram-0.1.5 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 exponential-decay-histogram-0.1.5
[INFO] finished frobbing exponential-decay-histogram-0.1.5
[INFO] frobbed toml for exponential-decay-histogram-0.1.5 written to work/ex/beta-1.37-6/sources/1.36.0/reg/exponential-decay-histogram/0.1.5/Cargo.toml
[INFO] started frobbing exponential-decay-histogram-0.1.5
[INFO] finished frobbing exponential-decay-histogram-0.1.5
[INFO] frobbed toml for exponential-decay-histogram-0.1.5 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/exponential-decay-histogram/0.1.5/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 exponential-decay-histogram-0.1.5 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-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/exponential-decay-histogram/0.1.5:/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] 683f3912849c3d11474a27db04f81620d4c5549154ad39c507a13cfefe0e0e43
[INFO] running `"docker" "start" "-a" "683f3912849c3d11474a27db04f81620d4c5549154ad39c507a13cfefe0e0e43"`
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling exponential-decay-histogram v0.1.5 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.51s
[INFO] running `"docker" "inspect" "683f3912849c3d11474a27db04f81620d4c5549154ad39c507a13cfefe0e0e43"`
[INFO] running `"docker" "rm" "-f" "683f3912849c3d11474a27db04f81620d4c5549154ad39c507a13cfefe0e0e43"`
[INFO] [stdout] 683f3912849c3d11474a27db04f81620d4c5549154ad39c507a13cfefe0e0e43
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/exponential-decay-histogram/0.1.5:/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] 363d7a4ac404da7259ce9a7122d0c70a45ccf50dd18ed7095222f998a3fe9140
[INFO] running `"docker" "start" "-a" "363d7a4ac404da7259ce9a7122d0c70a45ccf50dd18ed7095222f998a3fe9140"`
[INFO] [stderr]    Compiling exponential-decay-histogram v0.1.5 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `"docker" "inspect" "363d7a4ac404da7259ce9a7122d0c70a45ccf50dd18ed7095222f998a3fe9140"`
[INFO] running `"docker" "rm" "-f" "363d7a4ac404da7259ce9a7122d0c70a45ccf50dd18ed7095222f998a3fe9140"`
[INFO] [stdout] 363d7a4ac404da7259ce9a7122d0c70a45ccf50dd18ed7095222f998a3fe9140
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/exponential-decay-histogram/0.1.5:/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] 7d30cf7dadc54fff19b5a3068b8dd1d35f8cb1c20d469e2cf34e3e1618699b69
[INFO] running `"docker" "start" "-a" "7d30cf7dadc54fff19b5a3068b8dd1d35f8cb1c20d469e2cf34e3e1618699b69"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/exponential_decay_histogram-ae87db04298afc0d
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test test::a_histogram_of_100_out_of_10_elements ... ok
[INFO] [stdout] test test::a_heavily_biased_histogram_of_100_out_of_1000_elements ... ok
[INFO] [stdout] test test::a_histogram_of_100_out_of_1000_elements ... ok
[INFO] [stdout] test test::quantiles_should_be_based_on_weights ... ok
[INFO] [stdout] test test::long_periods_of_inactivity_should_not_corrupt_sampling_state ... ok
[INFO] [stdout] test test::values ... ok
[INFO] [stdout] test test::spot_lift ... ok
[INFO] [stderr]    Doc-tests exponential-decay-histogram
[INFO] [stdout] test test::spot_fall ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 21) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "7d30cf7dadc54fff19b5a3068b8dd1d35f8cb1c20d469e2cf34e3e1618699b69"`
[INFO] running `"docker" "rm" "-f" "7d30cf7dadc54fff19b5a3068b8dd1d35f8cb1c20d469e2cf34e3e1618699b69"`
[INFO] [stdout] 7d30cf7dadc54fff19b5a3068b8dd1d35f8cb1c20d469e2cf34e3e1618699b69