[INFO] crate ff_derive_ce 0.5.1 is already in cache
[INFO] extracting crate ff_derive_ce 0.5.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/ff_derive_ce/0.5.1
[INFO] extracting crate ff_derive_ce 0.5.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ff_derive_ce/0.5.1
[INFO] validating manifest of ff_derive_ce-0.5.1 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 ff_derive_ce-0.5.1 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 ff_derive_ce-0.5.1
[INFO] finished frobbing ff_derive_ce-0.5.1
[INFO] frobbed toml for ff_derive_ce-0.5.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/ff_derive_ce/0.5.1/Cargo.toml
[INFO] started frobbing ff_derive_ce-0.5.1
[INFO] finished frobbing ff_derive_ce-0.5.1
[INFO] frobbed toml for ff_derive_ce-0.5.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ff_derive_ce/0.5.1/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] 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 ff_derive_ce-0.5.1 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-7/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_derive_ce/0.5.1:/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] ddd157df4278d4db108323a92cb8665ed03f87c38d7224bd83d4d4e22db18831
[INFO] running `"docker" "start" "-a" "ddd157df4278d4db108323a92cb8665ed03f87c38d7224bd83d4d4e22db18831"`
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling ff_derive_ce v0.5.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.57s
[INFO] running `"docker" "inspect" "ddd157df4278d4db108323a92cb8665ed03f87c38d7224bd83d4d4e22db18831"`
[INFO] running `"docker" "rm" "-f" "ddd157df4278d4db108323a92cb8665ed03f87c38d7224bd83d4d4e22db18831"`
[INFO] [stdout] ddd157df4278d4db108323a92cb8665ed03f87c38d7224bd83d4d4e22db18831
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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_derive_ce/0.5.1:/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] 3a0d718750bb312854bae2d8f84d1da910db11f0adf2187f0c562804852af591
[INFO] running `"docker" "start" "-a" "3a0d718750bb312854bae2d8f84d1da910db11f0adf2187f0c562804852af591"`
[INFO] [stderr]    Compiling ff_derive_ce v0.5.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `"docker" "inspect" "3a0d718750bb312854bae2d8f84d1da910db11f0adf2187f0c562804852af591"`
[INFO] running `"docker" "rm" "-f" "3a0d718750bb312854bae2d8f84d1da910db11f0adf2187f0c562804852af591"`
[INFO] [stdout] 3a0d718750bb312854bae2d8f84d1da910db11f0adf2187f0c562804852af591
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/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_derive_ce/0.5.1:/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] 0a9e8f07e1626254fa0b255f0164a773d5a7ea9d918cb9a5751e281ee3cd304f
[INFO] running `"docker" "start" "-a" "0a9e8f07e1626254fa0b255f0164a773d5a7ea9d918cb9a5751e281ee3cd304f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ff_derive_ce-bfdfe324b93cb99a
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_exp ... 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_derive_ce
[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" "0a9e8f07e1626254fa0b255f0164a773d5a7ea9d918cb9a5751e281ee3cd304f"`
[INFO] running `"docker" "rm" "-f" "0a9e8f07e1626254fa0b255f0164a773d5a7ea9d918cb9a5751e281ee3cd304f"`
[INFO] [stdout] 0a9e8f07e1626254fa0b255f0164a773d5a7ea9d918cb9a5751e281ee3cd304f