[INFO] updating cached repository KoharaKazuya/cocore
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/KoharaKazuya/cocore
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/KoharaKazuya/cocore" "work/ex/beta-1.38-1/sources/1.37.0/gh/KoharaKazuya/cocore"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/KoharaKazuya/cocore'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/KoharaKazuya/cocore" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/KoharaKazuya/cocore"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/KoharaKazuya/cocore'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 979cd3e47ef724b0931e7b7354201675b5774f77
[INFO] sha for GitHub repo KoharaKazuya/cocore: 979cd3e47ef724b0931e7b7354201675b5774f77
[INFO] validating manifest of KoharaKazuya/cocore 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 KoharaKazuya/cocore 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 KoharaKazuya/cocore
[INFO] finished frobbing KoharaKazuya/cocore
[INFO] frobbed toml for KoharaKazuya/cocore written to work/ex/beta-1.38-1/sources/1.37.0/gh/KoharaKazuya/cocore/Cargo.toml
[INFO] started frobbing KoharaKazuya/cocore
[INFO] finished frobbing KoharaKazuya/cocore
[INFO] frobbed toml for KoharaKazuya/cocore written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/KoharaKazuya/cocore/Cargo.toml
[INFO] crate KoharaKazuya/cocore already has a lockfile, it will not be regenerated
[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 KoharaKazuya/cocore 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/KoharaKazuya/cocore:/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] 9a0438309c76607b0260f206244a8a7c46e74482582384de021acdf8d099fab0
[INFO] running `"docker" "start" "-a" "9a0438309c76607b0260f206244a8a7c46e74482582384de021acdf8d099fab0"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling dtoa-short v0.3.2
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling cssparser v0.25.2
[INFO] [stderr]    Compiling cssparser-macros v0.3.5
[INFO] [stderr] warning[E0506]: cannot assign to `self.input.cached_token` because it is borrowed
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cssparser-0.25.2/src/parser.rs:584:17
[INFO] [stderr]     |
[INFO] [stderr] 559 |     pub fn next_including_whitespace_and_comments(&mut self) -> Result<&Token<'i>, BasicParseError<'i>> {
[INFO] [stderr]     |                                                   - let's call the lifetime of this reference `'1`
[INFO] [stderr] ...
[INFO] [stderr] 572 |             Some(ref cached_token)
[INFO] [stderr]     |                  ---------------- borrow of `self.input.cached_token` occurs here
[INFO] [stderr] ...
[INFO] [stderr] 584 |                 self.input.cached_token = Some(CachedToken {
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^ assignment to borrowed `self.input.cached_token` occurs here
[INFO] [stderr] ...
[INFO] [stderr] 596 |         Ok(token)
[INFO] [stderr]     |         --------- returning this value requires that `self.input.cached_token.0` is borrowed for `'1`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]     = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]    Compiling cocore v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.90s
[INFO] running `"docker" "inspect" "9a0438309c76607b0260f206244a8a7c46e74482582384de021acdf8d099fab0"`
[INFO] running `"docker" "rm" "-f" "9a0438309c76607b0260f206244a8a7c46e74482582384de021acdf8d099fab0"`
[INFO] [stdout] 9a0438309c76607b0260f206244a8a7c46e74482582384de021acdf8d099fab0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/KoharaKazuya/cocore:/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] 8bb4df5dc48cef83f68ce330c5904e100be7a6648741fdc26f27654180ae7c05
[INFO] running `"docker" "start" "-a" "8bb4df5dc48cef83f68ce330c5904e100be7a6648741fdc26f27654180ae7c05"`
[INFO] [stderr]    Compiling cocore v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `"docker" "inspect" "8bb4df5dc48cef83f68ce330c5904e100be7a6648741fdc26f27654180ae7c05"`
[INFO] running `"docker" "rm" "-f" "8bb4df5dc48cef83f68ce330c5904e100be7a6648741fdc26f27654180ae7c05"`
[INFO] [stdout] 8bb4df5dc48cef83f68ce330c5904e100be7a6648741fdc26f27654180ae7c05
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/KoharaKazuya/cocore:/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] 67c977ab25fe162cc2b67681fe924602eb662063ddcdb5bf4bc7187206edc5a5
[INFO] running `"docker" "start" "-a" "67c977ab25fe162cc2b67681fe924602eb662063ddcdb5bf4bc7187206edc5a5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cocore-dce281cb42efc271
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test parser::tests::test_parse_error ... ok
[INFO] [stdout] test color::hsla::tests::to_css_format ... ok
[INFO] [stdout] test color::hex::tests::to_css_format ... ok
[INFO] [stdout] test parser::tests::test_parse_ok ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cocore-5be0e52386752c67
[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] [stderr]    Doc-tests cocore
[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" "67c977ab25fe162cc2b67681fe924602eb662063ddcdb5bf4bc7187206edc5a5"`
[INFO] running `"docker" "rm" "-f" "67c977ab25fe162cc2b67681fe924602eb662063ddcdb5bf4bc7187206edc5a5"`
[INFO] [stdout] 67c977ab25fe162cc2b67681fe924602eb662063ddcdb5bf4bc7187206edc5a5