[INFO] updating cached repository ChrisMacNaughton/cargo-cacher [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/ChrisMacNaughton/cargo-cacher [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/ChrisMacNaughton/cargo-cacher" "work/ex/beta-1.38-1/sources/1.37.0/gh/ChrisMacNaughton/cargo-cacher"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ChrisMacNaughton/cargo-cacher'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/ChrisMacNaughton/cargo-cacher" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ChrisMacNaughton/cargo-cacher"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ChrisMacNaughton/cargo-cacher'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 2a4674b4a4984c7174a38c3765d1ad3a51c9e5c1 [INFO] sha for GitHub repo ChrisMacNaughton/cargo-cacher: 2a4674b4a4984c7174a38c3765d1ad3a51c9e5c1 [INFO] validating manifest of ChrisMacNaughton/cargo-cacher 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 ChrisMacNaughton/cargo-cacher 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 ChrisMacNaughton/cargo-cacher [INFO] finished frobbing ChrisMacNaughton/cargo-cacher [INFO] frobbed toml for ChrisMacNaughton/cargo-cacher written to work/ex/beta-1.38-1/sources/1.37.0/gh/ChrisMacNaughton/cargo-cacher/Cargo.toml [INFO] started frobbing ChrisMacNaughton/cargo-cacher [INFO] finished frobbing ChrisMacNaughton/cargo-cacher [INFO] frobbed toml for ChrisMacNaughton/cargo-cacher written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ChrisMacNaughton/cargo-cacher/Cargo.toml [INFO] crate ChrisMacNaughton/cargo-cacher 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 ChrisMacNaughton/cargo-cacher 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-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ChrisMacNaughton/cargo-cacher:/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] 029c265ee244575223a116e1c462d01b6ab74e16d7233ac15c4c083b314a51dc [INFO] running `"docker" "start" "-a" "029c265ee244575223a116e1c462d01b6ab74e16d7233ac15c4c083b314a51dc"` [INFO] [stderr] Compiling libc v0.2.39 [INFO] [stderr] Compiling route-recognizer v0.1.12 [INFO] [stderr] Compiling same-file v0.1.3 [INFO] [stderr] Compiling serde v1.0.29 [INFO] [stderr] Compiling num-traits v0.2.1 [INFO] [stderr] Compiling libsqlite3-sys v0.9.1 [INFO] [stderr] Compiling url v1.7.0 [INFO] [stderr] Compiling syn v0.12.13 [INFO] [stderr] error[E0658]: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/route-recognizer-0.1.12/src/nfa.rs:568:3 [INFO] [stderr] | [INFO] [stderr] 568 | #[bench] [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: for more information, see https://github.com/rust-lang/rust/issues/50297 [INFO] [stderr] [INFO] [stderr] error[E0658]: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/route-recognizer-0.1.12/src/nfa.rs:582:3 [INFO] [stderr] | [INFO] [stderr] 582 | #[bench] [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: for more information, see https://github.com/rust-lang/rust/issues/50297 [INFO] [stderr] [INFO] [stderr] error[E0658]: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/route-recognizer-0.1.12/src/nfa.rs:596:3 [INFO] [stderr] | [INFO] [stderr] 596 | #[bench] [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: for more information, see https://github.com/rust-lang/rust/issues/50297 [INFO] [stderr] [INFO] [stderr] error[E0658]: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/route-recognizer-0.1.12/src/lib.rs:332:3 [INFO] [stderr] | [INFO] [stderr] 332 | #[bench] [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: for more information, see https://github.com/rust-lang/rust/issues/50297 [INFO] [stderr] [INFO] [stderr] error: aborting due to 4 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0658`. [INFO] [stderr] error: Could not compile `route-recognizer`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.7.0/src/form_urlencoded.rs:261:40 [INFO] [stderr] | [INFO] [stderr] 259 | impl<'a> Target for ::UrlQuery<'a> { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] 260 | fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization } [INFO] [stderr] 261 | fn finish(self) -> &'a mut ::Url { self.url } [INFO] [stderr] | ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait [INFO] [stderr] | | [INFO] [stderr] | returning this value requires that `*self.url` is borrowed for `'a` [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] error: build failed [INFO] running `"docker" "inspect" "029c265ee244575223a116e1c462d01b6ab74e16d7233ac15c4c083b314a51dc"` [INFO] running `"docker" "rm" "-f" "029c265ee244575223a116e1c462d01b6ab74e16d7233ac15c4c083b314a51dc"` [INFO] [stdout] 029c265ee244575223a116e1c462d01b6ab74e16d7233ac15c4c083b314a51dc