[INFO] updating cached repository viperscape/font-atlas-example
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/viperscape/font-atlas-example
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/viperscape/font-atlas-example" "work/ex/beta-1.38-1/sources/1.37.0/gh/viperscape/font-atlas-example"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/viperscape/font-atlas-example'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/viperscape/font-atlas-example" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/viperscape/font-atlas-example"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/viperscape/font-atlas-example'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 43dfdcb0ebe55ee0f44e4768463477fae906035d
[INFO] sha for GitHub repo viperscape/font-atlas-example: 43dfdcb0ebe55ee0f44e4768463477fae906035d
[INFO] validating manifest of viperscape/font-atlas-example 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 viperscape/font-atlas-example 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 viperscape/font-atlas-example
[INFO] finished frobbing viperscape/font-atlas-example
[INFO] frobbed toml for viperscape/font-atlas-example written to work/ex/beta-1.38-1/sources/1.37.0/gh/viperscape/font-atlas-example/Cargo.toml
[INFO] started frobbing viperscape/font-atlas-example
[INFO] finished frobbing viperscape/font-atlas-example
[INFO] frobbed toml for viperscape/font-atlas-example written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/viperscape/font-atlas-example/Cargo.toml
[INFO] crate viperscape/font-atlas-example 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/viperscape/font-atlas-example/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[INFO] the lockfile is outdated, regenerating it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" "+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 viperscape/font-atlas-example 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/viperscape/font-atlas-example:/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] 7451350a278e6f9b4a82f56785fcf9bbbb236b9f3e657f6eacd8506e6a36885d
[INFO] running `"docker" "start" "-a" "7451350a278e6f9b4a82f56785fcf9bbbb236b9f3e657f6eacd8506e6a36885d"`
[INFO] [stderr]    Compiling same-file v1.0.5
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling takeable-option v0.4.0
[INFO] [stderr]    Compiling bincode v0.3.0
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling gl_generator v0.11.0
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling walkdir v2.2.9
[INFO] [stderr]    Compiling wayland-sys v0.21.13
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling font-atlas v0.1.4
[INFO] [stderr]    Compiling rusttype v0.7.7
[INFO] [stderr]    Compiling alga v0.9.1
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling enum_primitive v0.0.1
[INFO] [stderr]    Compiling image v0.3.9
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr] error[E0532]: expected tuple struct/variant, found unit variant `ImageError::NotEnoughData`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/image-0.3.9/./src/image.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 67 |             ImageError::NotEnoughData(..) => &"Not enough data",
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^ not a tuple struct/variant
[INFO] [stderr] 
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.3
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.5
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0532`.
[INFO] [stderr] error: Could not compile `image`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "7451350a278e6f9b4a82f56785fcf9bbbb236b9f3e657f6eacd8506e6a36885d"`
[INFO] running `"docker" "rm" "-f" "7451350a278e6f9b4a82f56785fcf9bbbb236b9f3e657f6eacd8506e6a36885d"`
[INFO] [stdout] 7451350a278e6f9b4a82f56785fcf9bbbb236b9f3e657f6eacd8506e6a36885d