[INFO] crate metrics-util 0.2.1 is already in cache
[INFO] extracting crate metrics-util 0.2.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/metrics-util/0.2.1
[INFO] extracting crate metrics-util 0.2.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/metrics-util/0.2.1
[INFO] validating manifest of metrics-util-0.2.1 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 metrics-util-0.2.1 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 metrics-util-0.2.1
[INFO] finished frobbing metrics-util-0.2.1
[INFO] frobbed toml for metrics-util-0.2.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/metrics-util/0.2.1/Cargo.toml
[INFO] started frobbing metrics-util-0.2.1
[INFO] finished frobbing metrics-util-0.2.1
[INFO] frobbed toml for metrics-util-0.2.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/metrics-util/0.2.1/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] [stderr]     Blocking waiting for file lock on package cache
[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 metrics-util-0.2.1 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-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/metrics-util/0.2.1:/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] ed719dca7d5160c19f3ee9e2db5e7bb13cecbbbc2081cda11153e37d0d2b7d74
[INFO] running `"docker" "start" "-a" "ed719dca7d5160c19f3ee9e2db5e7bb13cecbbbc2081cda11153e37d0d2b7d74"`
[INFO] [stderr]    Compiling metrics-util v0.2.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "ed719dca7d5160c19f3ee9e2db5e7bb13cecbbbc2081cda11153e37d0d2b7d74"`
[INFO] running `"docker" "rm" "-f" "ed719dca7d5160c19f3ee9e2db5e7bb13cecbbbc2081cda11153e37d0d2b7d74"`
[INFO] [stdout] ed719dca7d5160c19f3ee9e2db5e7bb13cecbbbc2081cda11153e37d0d2b7d74
[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/metrics-util/0.2.1:/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] 28890c74ce1da905c87497ebceeb46b8492b2665d0d908353abb0bcd9c1d2123
[INFO] running `"docker" "start" "-a" "28890c74ce1da905c87497ebceeb46b8492b2665d0d908353abb0bcd9c1d2123"`
[INFO] [stderr]    Compiling metrics-util v0.2.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `"docker" "inspect" "28890c74ce1da905c87497ebceeb46b8492b2665d0d908353abb0bcd9c1d2123"`
[INFO] running `"docker" "rm" "-f" "28890c74ce1da905c87497ebceeb46b8492b2665d0d908353abb0bcd9c1d2123"`
[INFO] [stdout] 28890c74ce1da905c87497ebceeb46b8492b2665d0d908353abb0bcd9c1d2123
[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/metrics-util/0.2.1:/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] c91727c836e544d5d463d2373917c420cf01c1ba7599ff967dee44ec26dbcf44
[INFO] running `"docker" "start" "-a" "c91727c836e544d5d463d2373917c420cf01c1ba7599ff967dee44ec26dbcf44"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/metrics_util-4b0a00d912f7a491
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test bucket::tests::test_block_write_until_full_then_read ... ok
[INFO] [stdout] test bucket::tests::test_block_write_then_read ... ok
[INFO] [stdout] test streaming::tests::test_streaming_integers_empty_block ... ok
[INFO] [stdout] test quantile::tests::test_quantiles ... ok
[INFO] [stdout] test bucket::tests::test_bucket_multiple_blocks_write_then_read ... ok
[INFO] [stdout] test bucket::tests::test_bucket_write_then_read ... ok
[INFO] [stdout] test streaming::tests::test_streaming_integers_single_block ... ok
[INFO] [stdout] test bucket::tests::test_create_new_block ... ok
[INFO] [stdout] test quantile::tests::test_parse_quantiles ... ok
[INFO] [stdout] test streaming::tests::test_streaming_integers_multiple_blocks ... ok
[INFO] [stdout] test streaming::tests::test_streaming_integers_new ... ok
[INFO] [stdout] test streaming::tests::test_streaming_integers_single_block_aligned ... ok
[INFO] [stdout] test bucket::tests::test_block_write_until_full_then_read_mt ... ok
[INFO] [stdout] test streaming::tests::test_streaming_integers_single_block_plus_one ... ok
[INFO] [stdout] test bucket::tests::test_bucket_write_then_read_mt ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests metrics-util
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c91727c836e544d5d463d2373917c420cf01c1ba7599ff967dee44ec26dbcf44"`
[INFO] running `"docker" "rm" "-f" "c91727c836e544d5d463d2373917c420cf01c1ba7599ff967dee44ec26dbcf44"`
[INFO] [stdout] c91727c836e544d5d463d2373917c420cf01c1ba7599ff967dee44ec26dbcf44