[INFO] crate arc 0.0.1 is already in cache
[INFO] testing arc-0.0.1 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate arc 0.0.1 into work/builds/worker-2/source
[INFO] validating manifest of crates.io crate arc 0.0.1 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate arc 0.0.1
[INFO] finished tweaking crates.io crate arc 0.0.1
[INFO] tweaked toml for crates.io crate arc 0.0.1 written to work/builds/worker-2/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] b33b5bffb991f0f97bf95f77a137d78bb76b17d5540988912c9b07454002bfbe
[INFO] running `"docker" "start" "-a" "b33b5bffb991f0f97bf95f77a137d78bb76b17d5540988912c9b07454002bfbe"`
[INFO] [stderr]    Compiling palette v0.3.0
[INFO] [stderr]    Compiling arc v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.21s
[INFO] running `"docker" "inspect" "b33b5bffb991f0f97bf95f77a137d78bb76b17d5540988912c9b07454002bfbe"`
[INFO] running `"docker" "rm" "-f" "b33b5bffb991f0f97bf95f77a137d78bb76b17d5540988912c9b07454002bfbe"`
[INFO] [stdout] b33b5bffb991f0f97bf95f77a137d78bb76b17d5540988912c9b07454002bfbe
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] ef0a29d048e7d2326c7408d4088d7ecaed7e8bf4900e2166dd40309e71fe6974
[INFO] running `"docker" "start" "-a" "ef0a29d048e7d2326c7408d4088d7ecaed7e8bf4900e2166dd40309e71fe6974"`
[INFO] [stderr]    Compiling arc v0.0.1 (/opt/rustwide/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" "ef0a29d048e7d2326c7408d4088d7ecaed7e8bf4900e2166dd40309e71fe6974"`
[INFO] running `"docker" "rm" "-f" "ef0a29d048e7d2326c7408d4088d7ecaed7e8bf4900e2166dd40309e71fe6974"`
[INFO] [stdout] ef0a29d048e7d2326c7408d4088d7ecaed7e8bf4900e2166dd40309e71fe6974