[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-1.38-1/sources/1.37.0/gh/selaux/qrende"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/selaux/qrende'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/selaux/qrende" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/selaux/qrende"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of selaux/qrende 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 selaux/qrende
[INFO] finished frobbing selaux/qrende
[INFO] frobbed toml for selaux/qrende written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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] testing selaux/qrende against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] f867a780183ee2ade598e227eb79123d603fac0c9d28d45c13357006d33cbe52
[INFO] running `"docker" "start" "-a" "f867a780183ee2ade598e227eb79123d603fac0c9d28d45c13357006d33cbe52"`
[INFO] [stderr]    Compiling dbscan v0.2.0
[INFO] [stderr]    Compiling num_cpus v1.9.0
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]    Compiling rusttype v0.7.3
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling quickcheck v0.6.2
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling tiff v0.2.1
[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 57.20s
[INFO] running `"docker" "inspect" "f867a780183ee2ade598e227eb79123d603fac0c9d28d45c13357006d33cbe52"`
[INFO] running `"docker" "rm" "-f" "f867a780183ee2ade598e227eb79123d603fac0c9d28d45c13357006d33cbe52"`
[INFO] [stdout] f867a780183ee2ade598e227eb79123d603fac0c9d28d45c13357006d33cbe52
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 30acba0d0cc5df0f95e9f9b4274954f866ac6f86aed23f2bdd1653953cd168d4
[INFO] running `"docker" "start" "-a" "30acba0d0cc5df0f95e9f9b4274954f866ac6f86aed23f2bdd1653953cd168d4"`
[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" "30acba0d0cc5df0f95e9f9b4274954f866ac6f86aed23f2bdd1653953cd168d4"`
[INFO] running `"docker" "rm" "-f" "30acba0d0cc5df0f95e9f9b4274954f866ac6f86aed23f2bdd1653953cd168d4"`
[INFO] [stdout] 30acba0d0cc5df0f95e9f9b4274954f866ac6f86aed23f2bdd1653953cd168d4