[INFO] updating cached repository agersant/tiger
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/agersant/tiger
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/agersant/tiger" "work/ex/beta-1.38-1/sources/1.37.0/gh/agersant/tiger"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/agersant/tiger'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/agersant/tiger" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/agersant/tiger"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/agersant/tiger'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 57c9c105263b18209d900dcfe97d12da3834945a
[INFO] sha for GitHub repo agersant/tiger: 57c9c105263b18209d900dcfe97d12da3834945a
[INFO] validating manifest of agersant/tiger 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 agersant/tiger 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 agersant/tiger
[INFO] finished frobbing agersant/tiger
[INFO] frobbed toml for agersant/tiger written to work/ex/beta-1.38-1/sources/1.37.0/gh/agersant/tiger/Cargo.toml
[INFO] started frobbing agersant/tiger
[INFO] finished frobbing agersant/tiger
[INFO] frobbed toml for agersant/tiger written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/agersant/tiger/Cargo.toml
[INFO] crate agersant/tiger 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 agersant/tiger 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/agersant/tiger:/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] 060b2d6436e26c148f3d4d6047c3fc3d7a33358b996ed73013db804c38d1b005
[INFO] running `"docker" "start" "-a" "060b2d6436e26c148f3d4d6047c3fc3d7a33358b996ed73013db804c38d1b005"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v0.15.32
[INFO] [stderr]    Compiling liquid-error v0.16.1
[INFO] [stderr]    Compiling dunce v0.1.1
[INFO] [stderr]    Compiling pathdiff v0.1.0
[INFO] [stderr]    Compiling imgui-sys v0.0.24-pre (https://github.com/agersant/imgui-rs#262af80c)
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling nfd v0.0.4
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling gl_generator v0.11.0
[INFO] [stderr]    Compiling rusttype v0.7.6
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.3
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.4
[INFO] [stderr]    Compiling smithay-client-toolkit v0.4.5
[INFO] [stderr]    Compiling derivative v1.0.2
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling euclid_macros v0.1.0 (https://github.com/servo/euclid#e5aedec8)
[INFO] [stderr]    Compiling euclid v0.19.8 (https://github.com/servo/euclid#e5aedec8)
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling tiff v0.2.2
[INFO] [stderr]    Compiling gfx_core v0.9.0
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling image v0.21.1
[INFO] [stderr]    Compiling image v0.20.1
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling texture_packer v0.15.0
[INFO] [stderr]    Compiling winit v0.19.1
[INFO] [stderr]    Compiling liquid-value v0.17.1
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling liquid-interpreter v0.17.1
[INFO] [stderr]    Compiling glutin v0.20.0
[INFO] [stderr]    Compiling liquid-compiler v0.17.1
[INFO] [stderr]    Compiling liquid v0.17.1
[INFO] [stderr]    Compiling gfx v0.18.0
[INFO] [stderr]    Compiling gfx_device_gl v0.16.0
[INFO] [stderr]    Compiling gfx_window_glutin v0.30.0
[INFO] [stderr]    Compiling imgui v0.0.24-pre (https://github.com/agersant/imgui-rs#262af80c)
[INFO] [stderr]    Compiling imgui-gfx-renderer v0.0.24-pre (https://github.com/agersant/imgui-rs#262af80c)
[INFO] [stderr]    Compiling imgui-winit-support v0.0.24-pre (https://github.com/agersant/imgui-rs#262af80c)
[INFO] [stderr]    Compiling tiger v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0283]: type annotations required: cannot resolve `std::borrow::Cow<'_, str>: std::borrow::Borrow<_>`
[INFO] [stderr]    --> src/ui/mod.rs:460:91
[INFO] [stderr]     |
[INFO] [stderr] 460 |                             &ImString::new(settings.texture_destination.to_string_lossy().borrow()),
[INFO] [stderr]     |                                                                                           ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0283`.
[INFO] [stderr] error: Could not compile `tiger`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "060b2d6436e26c148f3d4d6047c3fc3d7a33358b996ed73013db804c38d1b005"`
[INFO] running `"docker" "rm" "-f" "060b2d6436e26c148f3d4d6047c3fc3d7a33358b996ed73013db804c38d1b005"`
[INFO] [stdout] 060b2d6436e26c148f3d4d6047c3fc3d7a33358b996ed73013db804c38d1b005