[INFO] updating cached repository pcein/quizapp [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/pcein/quizapp [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/pcein/quizapp" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/pcein/quizapp"` [INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/pcein/quizapp'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/pcein/quizapp" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/pcein/quizapp"` [INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/pcein/quizapp'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] d7f96d5cf637587ecda31188fd665474f6f7dfa2 [INFO] sha for GitHub repo pcein/quizapp: d7f96d5cf637587ecda31188fd665474f6f7dfa2 [INFO] validating manifest of pcein/quizapp on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of pcein/quizapp on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing pcein/quizapp [INFO] finished frobbing pcein/quizapp [INFO] frobbed toml for pcein/quizapp written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/pcein/quizapp/Cargo.toml [INFO] started frobbing pcein/quizapp [INFO] finished frobbing pcein/quizapp [INFO] frobbed toml for pcein/quizapp written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/pcein/quizapp/Cargo.toml [INFO] crate pcein/quizapp already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking pcein/quizapp against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-2/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/pcein/quizapp:/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=forbid" "-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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] dfe969f98543f8ee45034593498f50d6cbbc96f1dc5fd71f6f7eec17d2845357 [INFO] running `"docker" "start" "-a" "dfe969f98543f8ee45034593498f50d6cbbc96f1dc5fd71f6f7eec17d2845357"` [INFO] [stderr] Checking linked-hash-map v0.2.1 [INFO] [stderr] Compiling unicode-bidi v0.2.4 [INFO] [stderr] Compiling libsqlite3-sys v0.6.2 [INFO] [stderr] Checking serde_json v0.9.5 [INFO] [stderr] Checking idna v0.1.0 [INFO] [stderr] Checking regex v0.2.1 [INFO] [stderr] Checking lru-cache v0.1.0 [INFO] [stderr] Checking rusqlite v0.9.5 [INFO] [stderr] Checking url v1.4.0 [INFO] [stderr] error[E0119]: conflicting implementations of trait `std::convert::From<&_>` for type `types::to_sql::ToSqlOutput<'_>`: [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusqlite-0.9.5/src/types/to_sql.rs:26:1 [INFO] [stderr] | [INFO] [stderr] 18 | / impl<'a, T: ?Sized> From<&'a T> for ToSqlOutput<'a> [INFO] [stderr] 19 | | where &'a T: Into> [INFO] [stderr] 20 | | { [INFO] [stderr] 21 | | fn from(t: &'a T) -> Self { [INFO] [stderr] 22 | | ToSqlOutput::Borrowed(t.into()) [INFO] [stderr] 23 | | } [INFO] [stderr] 24 | | } [INFO] [stderr] | |_- first implementation here [INFO] [stderr] 25 | [INFO] [stderr] 26 | impl<'a, T: Into> From for ToSqlOutput<'a> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `types::to_sql::ToSqlOutput<'_>` [INFO] [stderr] | [INFO] [stderr] = note: downstream crates may implement trait `std::convert::From<&_>` for type `types::value::Value` [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0119`. [INFO] [stderr] error: Could not compile `rusqlite`. [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-1.4.0/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" "dfe969f98543f8ee45034593498f50d6cbbc96f1dc5fd71f6f7eec17d2845357"` [INFO] running `"docker" "rm" "-f" "dfe969f98543f8ee45034593498f50d6cbbc96f1dc5fd71f6f7eec17d2845357"` [INFO] [stdout] dfe969f98543f8ee45034593498f50d6cbbc96f1dc5fd71f6f7eec17d2845357