[INFO] crate ff 0.4.0 is already in cache
[INFO] extracting crate ff 0.4.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/ff/0.4.0
[INFO] extracting crate ff 0.4.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ff/0.4.0
[INFO] validating manifest of ff-0.4.0 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 ff-0.4.0 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 ff-0.4.0
[INFO] finished frobbing ff-0.4.0
[INFO] frobbed toml for ff-0.4.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/ff/0.4.0/Cargo.toml
[INFO] started frobbing ff-0.4.0
[INFO] finished frobbing ff-0.4.0
[INFO] frobbed toml for ff-0.4.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ff/0.4.0/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ff-0.4.0 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-1/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/ff/0.4.0:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 5ce195a6826c1bf61acc565345a38356dcbe90766f048e8d8cf016be56360fdb
[INFO] running `"docker" "start" "-a" "5ce195a6826c1bf61acc565345a38356dcbe90766f048e8d8cf016be56360fdb"`
[INFO] [stderr]    Compiling ff v0.4.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `"docker" "inspect" "5ce195a6826c1bf61acc565345a38356dcbe90766f048e8d8cf016be56360fdb"`
[INFO] running `"docker" "rm" "-f" "5ce195a6826c1bf61acc565345a38356dcbe90766f048e8d8cf016be56360fdb"`
[INFO] [stdout] 5ce195a6826c1bf61acc565345a38356dcbe90766f048e8d8cf016be56360fdb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/ff/0.4.0:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] b62d99ea357aa4edd5d394ed44ecb45b4c8a864c7525cc00d849309b7b4084ef
[INFO] running `"docker" "start" "-a" "b62d99ea357aa4edd5d394ed44ecb45b4c8a864c7525cc00d849309b7b4084ef"`
[INFO] [stderr]    Compiling ff v0.4.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "b62d99ea357aa4edd5d394ed44ecb45b4c8a864c7525cc00d849309b7b4084ef"`
[INFO] running `"docker" "rm" "-f" "b62d99ea357aa4edd5d394ed44ecb45b4c8a864c7525cc00d849309b7b4084ef"`
[INFO] [stdout] b62d99ea357aa4edd5d394ed44ecb45b4c8a864c7525cc00d849309b7b4084ef
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/ff/0.4.0:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 447dc6c1622df4f3eb19fb75f8f6e46c7c85b9bad7ff432d513e1e23a245ddf2
[INFO] running `"docker" "start" "-a" "447dc6c1622df4f3eb19fb75f8f6e46c7c85b9bad7ff432d513e1e23a245ddf2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ff-7fab8dfafb1ec152
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_bit_iterator ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ff
[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" "447dc6c1622df4f3eb19fb75f8f6e46c7c85b9bad7ff432d513e1e23a245ddf2"`
[INFO] running `"docker" "rm" "-f" "447dc6c1622df4f3eb19fb75f8f6e46c7c85b9bad7ff432d513e1e23a245ddf2"`
[INFO] [stdout] 447dc6c1622df4f3eb19fb75f8f6e46c7c85b9bad7ff432d513e1e23a245ddf2