[INFO] crate exponential-decay-histogram 0.1.5 is already in cache
[INFO] extracting crate exponential-decay-histogram 0.1.5 into work/ex/beta-1.38-1/sources/1.37.0/reg/exponential-decay-histogram/0.1.5
[INFO] extracting crate exponential-decay-histogram 0.1.5 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/exponential-decay-histogram/0.1.5
[INFO] validating manifest of exponential-decay-histogram-0.1.5 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 exponential-decay-histogram-0.1.5 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 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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/exponential-decay-histogram/0.1.5/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 exponential-decay-histogram-0.1.5 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-2/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/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] bed56fff62e8187b9a79c29f20ddd8bcdfbaf3dc9fa24b1da8fd3cde3e93be20
[INFO] running `"docker" "start" "-a" "bed56fff62e8187b9a79c29f20ddd8bcdfbaf3dc9fa24b1da8fd3cde3e93be20"`
[INFO] [stderr]    Compiling rand_pcg v0.2.0
[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 3.97s
[INFO] running `"docker" "inspect" "bed56fff62e8187b9a79c29f20ddd8bcdfbaf3dc9fa24b1da8fd3cde3e93be20"`
[INFO] running `"docker" "rm" "-f" "bed56fff62e8187b9a79c29f20ddd8bcdfbaf3dc9fa24b1da8fd3cde3e93be20"`
[INFO] [stdout] bed56fff62e8187b9a79c29f20ddd8bcdfbaf3dc9fa24b1da8fd3cde3e93be20
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 698f267eb06b6337d83bcdc85d56ad56abe079d521b180927b6b46fba7203308
[INFO] running `"docker" "start" "-a" "698f267eb06b6337d83bcdc85d56ad56abe079d521b180927b6b46fba7203308"`
[INFO] [stderr]    Compiling exponential-decay-histogram v0.1.5 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `"docker" "inspect" "698f267eb06b6337d83bcdc85d56ad56abe079d521b180927b6b46fba7203308"`
[INFO] running `"docker" "rm" "-f" "698f267eb06b6337d83bcdc85d56ad56abe079d521b180927b6b46fba7203308"`
[INFO] [stdout] 698f267eb06b6337d83bcdc85d56ad56abe079d521b180927b6b46fba7203308
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 4375b57f692c67261d6034a4055350e04398ebf38e5c9589ba7f651b9fec629e
[INFO] running `"docker" "start" "-a" "4375b57f692c67261d6034a4055350e04398ebf38e5c9589ba7f651b9fec629e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/exponential_decay_histogram-c89c53654196e1a4
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[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::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::values ... ok
[INFO] [stdout] test test::spot_fall ... ok
[INFO] [stdout] test test::spot_lift ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests exponential-decay-histogram
[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" "4375b57f692c67261d6034a4055350e04398ebf38e5c9589ba7f651b9fec629e"`
[INFO] running `"docker" "rm" "-f" "4375b57f692c67261d6034a4055350e04398ebf38e5c9589ba7f651b9fec629e"`
[INFO] [stdout] 4375b57f692c67261d6034a4055350e04398ebf38e5c9589ba7f651b9fec629e