[INFO] crate fera-optional 0.2.0 is already in cache
[INFO] extracting crate fera-optional 0.2.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/fera-optional/0.2.0
[INFO] extracting crate fera-optional 0.2.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/fera-optional/0.2.0
[INFO] validating manifest of fera-optional-0.2.0 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 fera-optional-0.2.0 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 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-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/reg/fera-optional/0.2.0/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 fera-optional-0.2.0 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-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 99c092019f940d2cf04f61c080981384608646ae46467aaac4445c320cbdb76e
[INFO] running `"docker" "start" "-a" "99c092019f940d2cf04f61c080981384608646ae46467aaac4445c320cbdb76e"`
[INFO] [stderr]    Compiling fera-optional v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `"docker" "inspect" "99c092019f940d2cf04f61c080981384608646ae46467aaac4445c320cbdb76e"`
[INFO] running `"docker" "rm" "-f" "99c092019f940d2cf04f61c080981384608646ae46467aaac4445c320cbdb76e"`
[INFO] [stdout] 99c092019f940d2cf04f61c080981384608646ae46467aaac4445c320cbdb76e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2a71b19a8038b8596f4b104a532c60bc28899b60b7aa5033026fba7c8ecd5da2
[INFO] running `"docker" "start" "-a" "2a71b19a8038b8596f4b104a532c60bc28899b60b7aa5033026fba7c8ecd5da2"`
[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 3.16s
[INFO] running `"docker" "inspect" "2a71b19a8038b8596f4b104a532c60bc28899b60b7aa5033026fba7c8ecd5da2"`
[INFO] running `"docker" "rm" "-f" "2a71b19a8038b8596f4b104a532c60bc28899b60b7aa5033026fba7c8ecd5da2"`
[INFO] [stdout] 2a71b19a8038b8596f4b104a532c60bc28899b60b7aa5033026fba7c8ecd5da2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 08e2a100e72b8f85d698550f0039d3eb221804df0ee35d7dfc44d80a09261377
[INFO] running `"docker" "start" "-a" "08e2a100e72b8f85d698550f0039d3eb221804df0ee35d7dfc44d80a09261377"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fera_optional-a80eee3e094551ca
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::optional_bool::into_option ... ok
[INFO] [stdout] test tests::optional_bool::to_option_ref ... ok
[INFO] [stdout] test tests::optional_bool::to_option_mut ... ok
[INFO] [stdout] test tests::optional_bool::debug ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/version_numbers-f16b5545418adc12
[INFO] [stdout] test tests::optioned_u32::to_option_ref ... ok
[INFO] [stdout] test tests::optioned_u32::to_option_mut ... ok
[INFO] [stdout] test tests::optioned_u32::into_option ... ok
[INFO] [stdout] test tests::optioned_u32::debug ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "08e2a100e72b8f85d698550f0039d3eb221804df0ee35d7dfc44d80a09261377"`
[INFO] running `"docker" "rm" "-f" "08e2a100e72b8f85d698550f0039d3eb221804df0ee35d7dfc44d80a09261377"`
[INFO] [stdout] 08e2a100e72b8f85d698550f0039d3eb221804df0ee35d7dfc44d80a09261377