[INFO] crate aflak_imgui_file_explorer 0.0.1 is already in cache
[INFO] extracting crate aflak_imgui_file_explorer 0.0.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/aflak_imgui_file_explorer/0.0.1
[INFO] extracting crate aflak_imgui_file_explorer 0.0.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/aflak_imgui_file_explorer/0.0.1
[INFO] validating manifest of aflak_imgui_file_explorer-0.0.1 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 aflak_imgui_file_explorer-0.0.1 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 aflak_imgui_file_explorer-0.0.1
[INFO] finished frobbing aflak_imgui_file_explorer-0.0.1
[INFO] frobbed toml for aflak_imgui_file_explorer-0.0.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/aflak_imgui_file_explorer/0.0.1/Cargo.toml
[INFO] started frobbing aflak_imgui_file_explorer-0.0.1
[INFO] finished frobbing aflak_imgui_file_explorer-0.0.1
[INFO] frobbed toml for aflak_imgui_file_explorer-0.0.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/aflak_imgui_file_explorer/0.0.1/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] testing aflak_imgui_file_explorer-0.0.1 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-2/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/aflak_imgui_file_explorer/0.0.1:/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] 781b0b8d8a8a976ab67a444ca88f1ab38a997f13df42e6633c480c3480ebe9e3
[INFO] running `"docker" "start" "-a" "781b0b8d8a8a976ab67a444ca88f1ab38a997f13df42e6633c480c3480ebe9e3"`
[INFO] [stderr]    Compiling aflak_imgui-sys v0.18.1
[INFO] [stderr]    Compiling gl_generator v0.8.0
[INFO] [stderr]    Compiling winit v0.10.0
[INFO] [stderr]    Compiling glutin v0.12.2
[INFO] [stderr]    Compiling glium v0.20.0
[INFO] [stderr]    Compiling aflak_imgui v0.18.1
[INFO] [stderr]    Compiling aflak_imgui_file_explorer v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `"docker" "inspect" "781b0b8d8a8a976ab67a444ca88f1ab38a997f13df42e6633c480c3480ebe9e3"`
[INFO] running `"docker" "rm" "-f" "781b0b8d8a8a976ab67a444ca88f1ab38a997f13df42e6633c480c3480ebe9e3"`
[INFO] [stdout] 781b0b8d8a8a976ab67a444ca88f1ab38a997f13df42e6633c480c3480ebe9e3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/aflak_imgui_file_explorer/0.0.1:/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" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8551d55478b714938b688ce78883b91d645742c235fb6b22019263d1c498eafe
[INFO] running `"docker" "start" "-a" "8551d55478b714938b688ce78883b91d645742c235fb6b22019263d1c498eafe"`
[INFO] [stderr]    Compiling aflak_imgui-glium-renderer v0.18.1
[INFO] [stderr]    Compiling aflak_imgui_file_explorer v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0463]: can't find crate for `imgui`
[INFO] [stderr]  --> examples/test.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | extern crate imgui;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `aflak_imgui_file_explorer`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "8551d55478b714938b688ce78883b91d645742c235fb6b22019263d1c498eafe"`
[INFO] running `"docker" "rm" "-f" "8551d55478b714938b688ce78883b91d645742c235fb6b22019263d1c498eafe"`
[INFO] [stdout] 8551d55478b714938b688ce78883b91d645742c235fb6b22019263d1c498eafe