[INFO] crate fera-optional 0.2.0 is already in cache
[INFO] extracting crate fera-optional 0.2.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/fera-optional/0.2.0
[INFO] extracting crate fera-optional 0.2.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fera-optional/0.2.0
[INFO] validating manifest of fera-optional-0.2.0 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 fera-optional-0.2.0 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 fera-optional-0.2.0
[INFO] finished frobbing fera-optional-0.2.0
[INFO] frobbed toml for fera-optional-0.2.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/fera-optional/0.2.0/Cargo.toml
[INFO] started frobbing fera-optional-0.2.0
[INFO] finished frobbing fera-optional-0.2.0
[INFO] frobbed toml for fera-optional-0.2.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fera-optional/0.2.0/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 fera-optional-0.2.0 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/fera-optional/0.2.0:/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] 5c8d81408ad27df5103b071a1b1d278fdb5f4b8757a0fd949d5b497b877c9ee8
[INFO] running `"docker" "start" "-a" "5c8d81408ad27df5103b071a1b1d278fdb5f4b8757a0fd949d5b497b877c9ee8"`
[INFO] [stderr]    Compiling fera-optional v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `"docker" "inspect" "5c8d81408ad27df5103b071a1b1d278fdb5f4b8757a0fd949d5b497b877c9ee8"`
[INFO] running `"docker" "rm" "-f" "5c8d81408ad27df5103b071a1b1d278fdb5f4b8757a0fd949d5b497b877c9ee8"`
[INFO] [stdout] 5c8d81408ad27df5103b071a1b1d278fdb5f4b8757a0fd949d5b497b877c9ee8
[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/fera-optional/0.2.0:/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] 8f8957564750e142fa56cbbf66fd238a46d004901f8aefedd3d046c3f2353cd3
[INFO] running `"docker" "start" "-a" "8f8957564750e142fa56cbbf66fd238a46d004901f8aefedd3d046c3f2353cd3"`
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling version-sync v0.5.0
[INFO] [stderr]    Compiling fera-optional v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.56s
[INFO] running `"docker" "inspect" "8f8957564750e142fa56cbbf66fd238a46d004901f8aefedd3d046c3f2353cd3"`
[INFO] running `"docker" "rm" "-f" "8f8957564750e142fa56cbbf66fd238a46d004901f8aefedd3d046c3f2353cd3"`
[INFO] [stdout] 8f8957564750e142fa56cbbf66fd238a46d004901f8aefedd3d046c3f2353cd3
[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/fera-optional/0.2.0:/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] c66eb313b3055d9f5156f1d64e2a471d8b2459642f07396bd3d31bc433eedc8e
[INFO] running `"docker" "start" "-a" "c66eb313b3055d9f5156f1d64e2a471d8b2459642f07396bd3d31bc433eedc8e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fera_optional-933f3ab30250bc81
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::optional_bool::debug ... ok
[INFO] [stdout] test tests::optional_bool::to_option_mut ... ok
[INFO] [stdout] test tests::optional_bool::into_option ... ok
[INFO] [stdout] test tests::optioned_u32::debug ... ok
[INFO] [stdout] test tests::optional_bool::to_option_ref ... ok
[INFO] [stdout] test tests::optioned_u32::into_option ... ok
[INFO] [stdout] test tests::optioned_u32::to_option_ref ... ok
[INFO] [stdout] test tests::optioned_u32::to_option_mut ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/version_numbers-c9a82c59ea2a00e5
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test html_root_url ... ok
[INFO] [stdout] test readme_deps ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fera-optional
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs -  (line 53) ... ok
[INFO] [stdout] test src/lib.rs -  (line 30) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c66eb313b3055d9f5156f1d64e2a471d8b2459642f07396bd3d31bc433eedc8e"`
[INFO] running `"docker" "rm" "-f" "c66eb313b3055d9f5156f1d64e2a471d8b2459642f07396bd3d31bc433eedc8e"`
[INFO] [stdout] c66eb313b3055d9f5156f1d64e2a471d8b2459642f07396bd3d31bc433eedc8e