[INFO] updating cached repository https://github.com/onelson/omn-clip-viewer
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0a536092133c3e78ad2ec7df5ef6e43e2ffc74c0
[INFO] checking onelson/omn-clip-viewer against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fonelson%2Fomn-clip-viewer" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/onelson/omn-clip-viewer on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/onelson/omn-clip-viewer
[INFO] finished tweaking git repo https://github.com/onelson/omn-clip-viewer
[INFO] tweaked toml for git repo https://github.com/onelson/omn-clip-viewer written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/onelson/omn-clip-viewer already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2c8ce6df92c99c003cb750cca33582f2b2320e2d1058d98cd3a124ae48cb44aa
[INFO] running `"docker" "start" "-a" "2c8ce6df92c99c003cb750cca33582f2b2320e2d1058d98cd3a124ae48cb44aa"`
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling regex-syntax v0.6.3
[INFO] [stderr]    Compiling serde-xml-rs v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.33
[INFO] [stderr]    Compiling syn v0.15.21
[INFO] [stderr]     Checking simple_logger v1.0.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]    Compiling rust_qt_binding_generator v0.2.2
[INFO] [stderr]     Checking omn-sprites v0.1.0
[INFO] [stderr]    Compiling omn-sprite-viewer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `omn-sprite-viewer v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/omn-sprite-viewer-7904d85005472592/build-script-build` (exit code: 255)
[INFO] [stderr] --- stderr
[INFO] [stderr] running: "qmake" "-query" "QT_INSTALL_HEADERS"
[INFO] [stderr] qmake: could not find a Qt installation of ''
[INFO] [stderr] qmake exited with status code: 1
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "2c8ce6df92c99c003cb750cca33582f2b2320e2d1058d98cd3a124ae48cb44aa"`
[INFO] running `"docker" "rm" "-f" "2c8ce6df92c99c003cb750cca33582f2b2320e2d1058d98cd3a124ae48cb44aa"`
[INFO] [stdout] 2c8ce6df92c99c003cb750cca33582f2b2320e2d1058d98cd3a124ae48cb44aa