[INFO] crate ff 0.4.0 is already in cache
[INFO] testing ff-0.4.0 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate ff 0.4.0 into work/builds/worker-2/source
[INFO] validating manifest of crates.io crate ff 0.4.0 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ff 0.4.0
[INFO] finished tweaking crates.io crate ff 0.4.0
[INFO] tweaked toml for crates.io crate ff 0.4.0 written to work/builds/worker-2/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 67cebc47106454e661a606cd45350eb64dfa63ecb0d9687681e3622d2ec63e3b
[INFO] running `"docker" "start" "-a" "67cebc47106454e661a606cd45350eb64dfa63ecb0d9687681e3622d2ec63e3b"`
[INFO] [stderr]    Compiling ff v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `"docker" "inspect" "67cebc47106454e661a606cd45350eb64dfa63ecb0d9687681e3622d2ec63e3b"`
[INFO] running `"docker" "rm" "-f" "67cebc47106454e661a606cd45350eb64dfa63ecb0d9687681e3622d2ec63e3b"`
[INFO] [stdout] 67cebc47106454e661a606cd45350eb64dfa63ecb0d9687681e3622d2ec63e3b
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9a531216514e72a5a14c9be1281805e3b501262bb756d0b98d4bef4d9ecf1e9c
[INFO] running `"docker" "start" "-a" "9a531216514e72a5a14c9be1281805e3b501262bb756d0b98d4bef4d9ecf1e9c"`
[INFO] [stderr]    Compiling ff v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "9a531216514e72a5a14c9be1281805e3b501262bb756d0b98d4bef4d9ecf1e9c"`
[INFO] running `"docker" "rm" "-f" "9a531216514e72a5a14c9be1281805e3b501262bb756d0b98d4bef4d9ecf1e9c"`
[INFO] [stdout] 9a531216514e72a5a14c9be1281805e3b501262bb756d0b98d4bef4d9ecf1e9c
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 9144f313b9818f34f93f5df2a1613cce496945ba66671eb83212a60d39999544
[INFO] running `"docker" "start" "-a" "9144f313b9818f34f93f5df2a1613cce496945ba66671eb83212a60d39999544"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ff-59b20f5f3cf3d5bc
[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" "9144f313b9818f34f93f5df2a1613cce496945ba66671eb83212a60d39999544"`
[INFO] running `"docker" "rm" "-f" "9144f313b9818f34f93f5df2a1613cce496945ba66671eb83212a60d39999544"`
[INFO] [stdout] 9144f313b9818f34f93f5df2a1613cce496945ba66671eb83212a60d39999544