[INFO] crate mailmodel 0.1.5 is already in cache
[INFO] extracting crate mailmodel 0.1.5 into work/ex/beta-1.38-1/sources/1.37.0/reg/mailmodel/0.1.5
[INFO] extracting crate mailmodel 0.1.5 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mailmodel/0.1.5
[INFO] validating manifest of mailmodel-0.1.5 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 mailmodel-0.1.5 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 mailmodel-0.1.5
[INFO] finished frobbing mailmodel-0.1.5
[INFO] frobbed toml for mailmodel-0.1.5 written to work/ex/beta-1.38-1/sources/1.37.0/reg/mailmodel/0.1.5/Cargo.toml
[INFO] started frobbing mailmodel-0.1.5
[INFO] finished frobbing mailmodel-0.1.5
[INFO] frobbed toml for mailmodel-0.1.5 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mailmodel/0.1.5/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing mailmodel-0.1.5 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-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mailmodel/0.1.5:/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] 8e9a7c5d4a8eef10141a015494feb54fa956ab2db5eb6e0c6fa826cc578c5a4d
[INFO] running `"docker" "start" "-a" "8e9a7c5d4a8eef10141a015494feb54fa956ab2db5eb6e0c6fa826cc578c5a4d"`
[INFO] [stderr]    Compiling quoted_printable v0.4.1
[INFO] [stderr]    Compiling imap-proto v0.4.1
[INFO] [stderr]    Compiling chrono v0.4.7
[INFO] [stderr]    Compiling cc v1.0.40
[INFO] [stderr]    Compiling mailparse v0.6.5
[INFO] [stderr]    Compiling rust_qt_binding_generator v0.2.2
[INFO] [stderr]    Compiling openssl-sys v0.9.49
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling backtrace v0.3.35
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling openssl v0.10.24
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling mailmodel v0.1.5 (/opt/crater/workdir)
[INFO] [stderr]    Compiling native-tls v0.1.5
[INFO] [stderr]    Compiling imap v0.8.1
[INFO] [stderr] error: failed to run custom build command for `mailmodel v0.1.5 (/opt/crater/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/mailmodel-16b8e05dd18081e8/build-script-build` (exit code: 255)
[INFO] [stderr] --- stderr
[INFO] [stderr] running: "qmake" "-query" "QT_VERSION"
[INFO] [stderr] qmake: could not find a Qt installation of ''
[INFO] [stderr] qmake exited with status code: 1
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "8e9a7c5d4a8eef10141a015494feb54fa956ab2db5eb6e0c6fa826cc578c5a4d"`
[INFO] running `"docker" "rm" "-f" "8e9a7c5d4a8eef10141a015494feb54fa956ab2db5eb6e0c6fa826cc578c5a4d"`
[INFO] [stdout] 8e9a7c5d4a8eef10141a015494feb54fa956ab2db5eb6e0c6fa826cc578c5a4d