[INFO] crate ff 0.4.0 is already in cache
[INFO] extracting crate ff 0.4.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/ff/0.4.0
[INFO] extracting crate ff 0.4.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/ff/0.4.0
[INFO] validating manifest of ff-0.4.0 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 ff-0.4.0 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 ff-0.4.0
[INFO] finished frobbing ff-0.4.0
[INFO] frobbed toml for ff-0.4.0 written to work/ex/beta-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/reg/ff/0.4.0/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 ff-0.4.0 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-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 431d0511c7c20dbf9c5b160f123a850f8b1a92b6fcad165a9f6bb0d82f7af136
[INFO] running `"docker" "start" "-a" "431d0511c7c20dbf9c5b160f123a850f8b1a92b6fcad165a9f6bb0d82f7af136"`
[INFO] [stderr]    Compiling ff v0.4.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `"docker" "inspect" "431d0511c7c20dbf9c5b160f123a850f8b1a92b6fcad165a9f6bb0d82f7af136"`
[INFO] running `"docker" "rm" "-f" "431d0511c7c20dbf9c5b160f123a850f8b1a92b6fcad165a9f6bb0d82f7af136"`
[INFO] [stdout] 431d0511c7c20dbf9c5b160f123a850f8b1a92b6fcad165a9f6bb0d82f7af136
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] c28b7ed0affb112c688c87005af436f8ef2ff70bcc10a1730d3a0e923636dab6
[INFO] running `"docker" "start" "-a" "c28b7ed0affb112c688c87005af436f8ef2ff70bcc10a1730d3a0e923636dab6"`
[INFO] [stderr]    Compiling ff v0.4.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "c28b7ed0affb112c688c87005af436f8ef2ff70bcc10a1730d3a0e923636dab6"`
[INFO] running `"docker" "rm" "-f" "c28b7ed0affb112c688c87005af436f8ef2ff70bcc10a1730d3a0e923636dab6"`
[INFO] [stdout] c28b7ed0affb112c688c87005af436f8ef2ff70bcc10a1730d3a0e923636dab6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] caef4a21c36e4650992cb11e86da2bfeb4414624eced95ee3b002ab56a3fd6f8
[INFO] running `"docker" "start" "-a" "caef4a21c36e4650992cb11e86da2bfeb4414624eced95ee3b002ab56a3fd6f8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ff-b6bf434ab11bcd9c
[INFO] [stderr]    Doc-tests ff
[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] [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" "caef4a21c36e4650992cb11e86da2bfeb4414624eced95ee3b002ab56a3fd6f8"`
[INFO] running `"docker" "rm" "-f" "caef4a21c36e4650992cb11e86da2bfeb4414624eced95ee3b002ab56a3fd6f8"`
[INFO] [stdout] caef4a21c36e4650992cb11e86da2bfeb4414624eced95ee3b002ab56a3fd6f8