[INFO] updating cached repository kitech/qt.rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kitech/qt.rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kitech/qt.rs" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/kitech/qt.rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/kitech/qt.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kitech/qt.rs" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/kitech/qt.rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/kitech/qt.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f2b7331a7296019d0deabd1108f217ea796465d8
[INFO] sha for GitHub repo kitech/qt.rs: f2b7331a7296019d0deabd1108f217ea796465d8
[INFO] validating manifest of kitech/qt.rs on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of kitech/qt.rs on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing kitech/qt.rs
[INFO] finished frobbing kitech/qt.rs
[INFO] frobbed toml for kitech/qt.rs written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/kitech/qt.rs/Cargo.toml
[INFO] started frobbing kitech/qt.rs
[INFO] finished frobbing kitech/qt.rs
[INFO] frobbed toml for kitech/qt.rs written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/kitech/qt.rs/Cargo.toml
[INFO] crate kitech/qt.rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/kitech/qt.rs/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking kitech/qt.rs against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-7/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/kitech/qt.rs:/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f5609b0426c3428915fa462f94358cd8911638de0e7d11b2eed321dfc78eeb9f
[INFO] running `"docker" "start" "-a" "f5609b0426c3428915fa462f94358cd8911638de0e7d11b2eed321dfc78eeb9f"`
[INFO] [stderr]     Checking qt5 v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] error: Could not compile `qt5`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name qt5 src/lib.rs --color never --crate-type lib --emit=dep-info,metadata -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="widgets"' -C metadata=c5a4d2ecfe9b5984 -C extra-filename=-c5a4d2ecfe9b5984 --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern libc=/opt/crater/target/debug/deps/liblibc-57f755f3be236b64.rmeta --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]     --> src/core/qstring.rs:1110:55
[INFO] [stderr]      |
[INFO] [stderr] 1110 |     let arg3 = (if self.3.is_none() {QLatin1Char::new((0 as i8)).qclsinst} else {self.3.unwrap().qclsinst})  as *mut c_void;
[INFO] [stderr]      |                                                       ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]     --> src/core/qstring.rs:1685:55
[INFO] [stderr]      |
[INFO] [stderr] 1685 |     let arg1 = (if self.1.is_none() {QLatin1Char::new((0 as i8)).qclsinst} else {self.1.unwrap().qclsinst})  as *mut c_void;
[INFO] [stderr]      |                                                       ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]     --> src/core/qstring.rs:1839:55
[INFO] [stderr]      |
[INFO] [stderr] 1839 |     let arg4 = (if self.4.is_none() {QLatin1Char::new((0 as i8)).qclsinst} else {self.4.unwrap().qclsinst})  as *mut c_void;
[INFO] [stderr]      |                                                       ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]     --> src/core/qstring.rs:3134:55
[INFO] [stderr]      |
[INFO] [stderr] 3134 |     let arg3 = (if self.3.is_none() {QLatin1Char::new((0 as i8)).qclsinst} else {self.3.unwrap().qclsinst})  as *mut c_void;
[INFO] [stderr]      |                                                       ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]     --> src/core/qstring.rs:3217:55
[INFO] [stderr]      |
[INFO] [stderr] 3217 |     let arg3 = (if self.3.is_none() {QLatin1Char::new((0 as i8)).qclsinst} else {self.3.unwrap().qclsinst})  as *mut c_void;
[INFO] [stderr]      |                                                       ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]     --> src/core/qstring.rs:3248:55
[INFO] [stderr]      |
[INFO] [stderr] 3248 |     let arg3 = (if self.3.is_none() {QLatin1Char::new((0 as i8)).qclsinst} else {self.3.unwrap().qclsinst})  as *mut c_void;
[INFO] [stderr]      |                                                       ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]     --> src/core/qstring.rs:3411:55
[INFO] [stderr]      |
[INFO] [stderr] 3411 |     let arg3 = (if self.3.is_none() {QLatin1Char::new((0 as i8)).qclsinst} else {self.3.unwrap().qclsinst})  as *mut c_void;
[INFO] [stderr]      |                                                       ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]     --> src/core/qstring.rs:3426:55
[INFO] [stderr]      |
[INFO] [stderr] 3426 |     let arg2 = (if self.2.is_none() {QLatin1Char::new((0 as i8)).qclsinst} else {self.2.unwrap().qclsinst})  as *mut c_void;
[INFO] [stderr]      |                                                       ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]     --> src/core/qstring.rs:3528:55
[INFO] [stderr]      |
[INFO] [stderr] 3528 |     let arg2 = (if self.2.is_none() {QLatin1Char::new((0 as i8)).qclsinst} else {self.2.unwrap().qclsinst})  as *mut c_void;
[INFO] [stderr]      |                                                       ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]     --> src/core/qstring.rs:3639:55
[INFO] [stderr]      |
[INFO] [stderr] 3639 |     let arg1 = (if self.1.is_none() {QLatin1Char::new((0 as i8)).qclsinst} else {self.1.unwrap().qclsinst})  as *mut c_void;
[INFO] [stderr]      |                                                       ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]     --> src/core/qstring.rs:3655:55
[INFO] [stderr]      |
[INFO] [stderr] 3655 |     let arg2 = (if self.2.is_none() {QLatin1Char::new((0 as i8)).qclsinst} else {self.2.unwrap().qclsinst})  as *mut c_void;
[INFO] [stderr]      |                                                       ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]     --> src/core/qstring.rs:3671:55
[INFO] [stderr]      |
[INFO] [stderr] 3671 |     let arg3 = (if self.3.is_none() {QLatin1Char::new((0 as i8)).qclsinst} else {self.3.unwrap().qclsinst})  as *mut c_void;
[INFO] [stderr]      |                                                       ^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "f5609b0426c3428915fa462f94358cd8911638de0e7d11b2eed321dfc78eeb9f"`
[INFO] running `"docker" "rm" "-f" "f5609b0426c3428915fa462f94358cd8911638de0e7d11b2eed321dfc78eeb9f"`
[INFO] [stdout] f5609b0426c3428915fa462f94358cd8911638de0e7d11b2eed321dfc78eeb9f