[INFO] crate arc 0.0.1 is already in cache
[INFO] extracting crate arc 0.0.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/arc/0.0.1
[INFO] extracting crate arc 0.0.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/arc/0.0.1
[INFO] validating manifest of arc-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 arc-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 arc-0.0.1
[INFO] finished frobbing arc-0.0.1
[INFO] frobbed toml for arc-0.0.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/arc/0.0.1/Cargo.toml
[INFO] started frobbing arc-0.0.1
[INFO] finished frobbing arc-0.0.1
[INFO] frobbed toml for arc-0.0.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/arc/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 arc-0.0.1 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/arc/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 6a16fddf0b96e4ec67b60c79ccf12ffcfa4074b7d8147ff48bb878bb17889f5e
[INFO] running `"docker" "start" "-a" "6a16fddf0b96e4ec67b60c79ccf12ffcfa4074b7d8147ff48bb878bb17889f5e"`
[INFO] [stderr]    Compiling palette v0.3.0
[INFO] [stderr]    Compiling arc v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.42s
[INFO] running `"docker" "inspect" "6a16fddf0b96e4ec67b60c79ccf12ffcfa4074b7d8147ff48bb878bb17889f5e"`
[INFO] running `"docker" "rm" "-f" "6a16fddf0b96e4ec67b60c79ccf12ffcfa4074b7d8147ff48bb878bb17889f5e"`
[INFO] [stdout] 6a16fddf0b96e4ec67b60c79ccf12ffcfa4074b7d8147ff48bb878bb17889f5e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/arc/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] be407ff6cfcbb25efa77283f3b9f81c7724bf2de178d6f30f8434da186a4fe18
[INFO] running `"docker" "start" "-a" "be407ff6cfcbb25efa77283f3b9f81c7724bf2de178d6f30f8434da186a4fe18"`
[INFO] [stderr]    Compiling arc v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Application`
[INFO] [stderr]  --> examples/playground.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let app = Application::new();
[INFO] [stderr]   |               ^^^^^^^^^^^ use of undeclared type or module `Application`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Window`
[INFO] [stderr]  --> examples/playground.rs:8:18
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let window = Window::new(900., 700.);
[INFO] [stderr]   |                  ^^^^^^ use of undeclared type or module `Window`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SolidColor`
[INFO] [stderr]   --> examples/playground.rs:11:23
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let mut top_bar = SolidColor::new();
[INFO] [stderr]    |                       ^^^^^^^^^^ use of undeclared type or module `SolidColor`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SolidColor`
[INFO] [stderr]   --> examples/playground.rs:15:30
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let mut top_bar_border = SolidColor::new();
[INFO] [stderr]    |                              ^^^^^^^^^^ use of undeclared type or module `SolidColor`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SolidColor`
[INFO] [stderr]   --> examples/playground.rs:19:26
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let mut bottom_bar = SolidColor::new();
[INFO] [stderr]    |                          ^^^^^^^^^^ use of undeclared type or module `SolidColor`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SolidColor`
[INFO] [stderr]   --> examples/playground.rs:23:33
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let mut bottom_bar_border = SolidColor::new();
[INFO] [stderr]    |                                 ^^^^^^^^^^ use of undeclared type or module `SolidColor`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `SolidColor`
[INFO] [stderr]   --> examples/playground.rs:27:20
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let mut main = SolidColor::new();
[INFO] [stderr]    |                    ^^^^^^^^^^ use of undeclared type or module `SolidColor`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Column`
[INFO] [stderr]   --> examples/playground.rs:30:25
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let mut container = Column::new();
[INFO] [stderr]    |                         ^^^^^^ use of undeclared type or module `Column`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `arc::*`
[INFO] [stderr]  --> examples/playground.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use arc::*;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] error: Could not compile `arc`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "be407ff6cfcbb25efa77283f3b9f81c7724bf2de178d6f30f8434da186a4fe18"`
[INFO] running `"docker" "rm" "-f" "be407ff6cfcbb25efa77283f3b9f81c7724bf2de178d6f30f8434da186a4fe18"`
[INFO] [stdout] be407ff6cfcbb25efa77283f3b9f81c7724bf2de178d6f30f8434da186a4fe18