[INFO] crate histo 0.1.0 is already in cache
[INFO] extracting crate histo 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/histo/0.1.0
[INFO] extracting crate histo 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/histo/0.1.0
[INFO] validating manifest of histo-0.1.0 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 histo-0.1.0 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 histo-0.1.0
[INFO] finished frobbing histo-0.1.0
[INFO] frobbed toml for histo-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/histo/0.1.0/Cargo.toml
[INFO] started frobbing histo-0.1.0
[INFO] finished frobbing histo-0.1.0
[INFO] frobbed toml for histo-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/histo/0.1.0/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 histo-0.1.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/histo/0.1.0:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 479f4ff24c72c458479d80b02ef5dcc165f3df8bc6bd4c2b827e1aa2e998f60e
[INFO] running `"docker" "start" "-a" "479f4ff24c72c458479d80b02ef5dcc165f3df8bc6bd4c2b827e1aa2e998f60e"`
[INFO] [stderr]    Compiling streaming-stats v0.1.29
[INFO] [stderr]    Compiling histo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `"docker" "inspect" "479f4ff24c72c458479d80b02ef5dcc165f3df8bc6bd4c2b827e1aa2e998f60e"`
[INFO] running `"docker" "rm" "-f" "479f4ff24c72c458479d80b02ef5dcc165f3df8bc6bd4c2b827e1aa2e998f60e"`
[INFO] [stdout] 479f4ff24c72c458479d80b02ef5dcc165f3df8bc6bd4c2b827e1aa2e998f60e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/histo/0.1.0:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] dbb5fa7f650c82edf43b9c0fa87bf836d6c512fc8224b82fa433d69ffcb4a153
[INFO] running `"docker" "start" "-a" "dbb5fa7f650c82edf43b9c0fa87bf836d6c512fc8224b82fa433d69ffcb4a153"`
[INFO] [stderr]    Compiling histo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `"docker" "inspect" "dbb5fa7f650c82edf43b9c0fa87bf836d6c512fc8224b82fa433d69ffcb4a153"`
[INFO] running `"docker" "rm" "-f" "dbb5fa7f650c82edf43b9c0fa87bf836d6c512fc8224b82fa433d69ffcb4a153"`
[INFO] [stdout] dbb5fa7f650c82edf43b9c0fa87bf836d6c512fc8224b82fa433d69ffcb4a153
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/histo/0.1.0:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] ebdc5b93cc185a312e59e50c49c236fe39044a51c31e38333d1a1482385958c2
[INFO] running `"docker" "start" "-a" "ebdc5b93cc185a312e59e50c49c236fe39044a51c31e38333d1a1482385958c2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/histo-04569ef49fbe2f1a
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::bucket_count ... ok
[INFO] [stdout] test tests::bucket_count_one ... ok
[INFO] [stdout] test tests::overflow_panic ... ok
[INFO] [stdout] test tests::num_buckets ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/histo-24935a8d0f47bbb1
[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] [stderr]    Doc-tests histo
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 12) ... 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" "ebdc5b93cc185a312e59e50c49c236fe39044a51c31e38333d1a1482385958c2"`
[INFO] running `"docker" "rm" "-f" "ebdc5b93cc185a312e59e50c49c236fe39044a51c31e38333d1a1482385958c2"`
[INFO] [stdout] ebdc5b93cc185a312e59e50c49c236fe39044a51c31e38333d1a1482385958c2