[INFO] updating cached repository selaux/qrende
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/selaux/qrende
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/selaux/qrende" "work/ex/beta-1.37-6/sources/1.36.0/gh/selaux/qrende"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/selaux/qrende'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/selaux/qrende" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/selaux/qrende"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/selaux/qrende'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4e17407925840fffd541ba63ebe5bf717b478b7a
[INFO] sha for GitHub repo selaux/qrende: 4e17407925840fffd541ba63ebe5bf717b478b7a
[INFO] validating manifest of selaux/qrende on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of selaux/qrende on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing selaux/qrende
[INFO] finished frobbing selaux/qrende
[INFO] frobbed toml for selaux/qrende written to work/ex/beta-1.37-6/sources/1.36.0/gh/selaux/qrende/Cargo.toml
[INFO] started frobbing selaux/qrende
[INFO] finished frobbing selaux/qrende
[INFO] frobbed toml for selaux/qrende written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/selaux/qrende/Cargo.toml
[INFO] crate selaux/qrende already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing selaux/qrende against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/selaux/qrende:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] a897ee6669e8f3133ff54b067ab2146f247e2d4c12c8e014b64005fa2c408906
[INFO] running `"docker" "start" "-a" "a897ee6669e8f3133ff54b067ab2146f247e2d4c12c8e014b64005fa2c408906"`
[INFO] [stderr]    Compiling assert_approx_eq v1.1.0
[INFO] [stderr]    Compiling bitvec v0.9.0
[INFO] [stderr]    Compiling dbscan v0.2.0
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling rusttype v0.7.3
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling quickcheck v0.6.2
[INFO] [stderr]    Compiling image v0.20.1
[INFO] [stderr]    Compiling imageproc v0.17.0
[INFO] [stderr]    Compiling qrende v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.56s
[INFO] running `"docker" "inspect" "a897ee6669e8f3133ff54b067ab2146f247e2d4c12c8e014b64005fa2c408906"`
[INFO] running `"docker" "rm" "-f" "a897ee6669e8f3133ff54b067ab2146f247e2d4c12c8e014b64005fa2c408906"`
[INFO] [stdout] a897ee6669e8f3133ff54b067ab2146f247e2d4c12c8e014b64005fa2c408906
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/selaux/qrende:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3b25ff8993b8129bc7a6ab615460a56ab4d68c31b398bd2a9dabfe11d9a14588
[INFO] running `"docker" "start" "-a" "3b25ff8993b8129bc7a6ab615460a56ab4d68c31b398bd2a9dabfe11d9a14588"`
[INFO] [stderr]    Compiling qrende v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: environment variable `TEST_FONT` not defined
[INFO] [stderr]   --> src/lib.rs:53:47
[INFO] [stderr]    |
[INFO] [stderr] 53 |         let font_data: &[u8] = include_bytes!(env!("TEST_FONT"));
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `image::GenericImage`
[INFO] [stderr]   --> src/lib.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     use image::GenericImage;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `qrende`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "3b25ff8993b8129bc7a6ab615460a56ab4d68c31b398bd2a9dabfe11d9a14588"`
[INFO] running `"docker" "rm" "-f" "3b25ff8993b8129bc7a6ab615460a56ab4d68c31b398bd2a9dabfe11d9a14588"`
[INFO] [stdout] 3b25ff8993b8129bc7a6ab615460a56ab4d68c31b398bd2a9dabfe11d9a14588