[INFO] updating cached repository monorkin/aurora-2 [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/monorkin/aurora-2 [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/monorkin/aurora-2" "work/ex/beta-1.38-1/sources/1.37.0/gh/monorkin/aurora-2"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/monorkin/aurora-2'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/monorkin/aurora-2" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/monorkin/aurora-2"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/monorkin/aurora-2'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 8f003c82dce424d82a2ed10c054cc9fffcb9f1ea [INFO] sha for GitHub repo monorkin/aurora-2: 8f003c82dce424d82a2ed10c054cc9fffcb9f1ea [INFO] validating manifest of monorkin/aurora-2 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 monorkin/aurora-2 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 monorkin/aurora-2 [INFO] finished frobbing monorkin/aurora-2 [INFO] frobbed toml for monorkin/aurora-2 written to work/ex/beta-1.38-1/sources/1.37.0/gh/monorkin/aurora-2/Cargo.toml [INFO] started frobbing monorkin/aurora-2 [INFO] finished frobbing monorkin/aurora-2 [INFO] frobbed toml for monorkin/aurora-2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/monorkin/aurora-2/Cargo.toml [INFO] crate monorkin/aurora-2 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 monorkin/aurora-2 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/monorkin/aurora-2:/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] 76a1e5d9258c96f697bf7c76f9f7e7379baffad88da645dfad16c43d5a253a1a [INFO] running `"docker" "start" "-a" "76a1e5d9258c96f697bf7c76f9f7e7379baffad88da645dfad16c43d5a253a1a"` [INFO] [stderr] Compiling rustc-serialize v0.3.19 [INFO] [stderr] Compiling sequence_trie v0.0.13 [INFO] [stderr] Compiling route-recognizer v0.1.11 [INFO] [stderr] Compiling itoa v0.3.0 [INFO] [stderr] Compiling serde v0.9.5 [INFO] [stderr] Compiling dtoa v0.4.0 [INFO] [stderr] Compiling rand v0.3.15 [INFO] [stderr] Compiling num_cpus v0.2.13 [INFO] [stderr] Compiling memchr v0.1.11 [INFO] [stderr] error[E0642]: patterns aren't allowed in methods without bodies [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.19/src/serialize.rs:147:45 [INFO] [stderr] | [INFO] [stderr] 147 | &f_name: &str, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] Compiling error v0.1.9 [INFO] [stderr] Compiling idna v0.1.0 [INFO] [stderr] Compiling typemap v0.3.3 [INFO] [stderr] Compiling solicit v0.4.4 [INFO] [stderr] Compiling serde_codegen_internals v0.12.1 [INFO] [stderr] Compiling aho-corasick v0.5.3 [INFO] [stderr] Compiling plugin v0.2.6 [INFO] [stderr] Compiling thread-id v2.0.0 [INFO] [stderr] Compiling thread_local v0.2.7 [INFO] [stderr] Compiling phf_generator v0.7.21 [INFO] [stderr] Compiling regex v0.1.80 [INFO] [stderr] Compiling url v1.2.0 [INFO] [stderr] Compiling phf_codegen v0.7.21 [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0642`. [INFO] [stderr] error: Could not compile `rustc-serialize`. [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-1.2.0/src/form_urlencoded.rs:246:40 [INFO] [stderr] | [INFO] [stderr] 244 | impl<'a> Target for ::UrlQuery<'a> { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] 245 | fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization } [INFO] [stderr] 246 | 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" "76a1e5d9258c96f697bf7c76f9f7e7379baffad88da645dfad16c43d5a253a1a"` [INFO] running `"docker" "rm" "-f" "76a1e5d9258c96f697bf7c76f9f7e7379baffad88da645dfad16c43d5a253a1a"` [INFO] [stdout] 76a1e5d9258c96f697bf7c76f9f7e7379baffad88da645dfad16c43d5a253a1a