[INFO] fetching crate square 0.0.1...
[INFO] testing square-0.0.1 against 1.75.0 for beta-1.76-1
[INFO] extracting crate square 0.0.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate square 0.0.1 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate square 0.0.1
[INFO] finished tweaking crates.io crate square 0.0.1
[INFO] tweaked toml for crates.io crate square 0.0.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded palette v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66df6d1dc0619b94890fa48bf4c8954879a81fa4cf95420c9078e3fb74552a14
[INFO] running `Command { std: "docker" "start" "-a" "66df6d1dc0619b94890fa48bf4c8954879a81fa4cf95420c9078e3fb74552a14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66df6d1dc0619b94890fa48bf4c8954879a81fa4cf95420c9078e3fb74552a14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66df6d1dc0619b94890fa48bf4c8954879a81fa4cf95420c9078e3fb74552a14", kill_on_drop: false }`
[INFO] [stdout] 66df6d1dc0619b94890fa48bf4c8954879a81fa4cf95420c9078e3fb74552a14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8d0af71f7844eefd1c44113912dbbd574f323a5d7b8c091fd3e4740da07511b
[INFO] running `Command { std: "docker" "start" "-a" "e8d0af71f7844eefd1c44113912dbbd574f323a5d7b8c091fd3e4740da07511b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.75
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling gimli v0.28.1
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling palette v0.3.0
[INFO] [stderr]    Compiling addr2line v0.21.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling square v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.14s
[INFO] running `Command { std: "docker" "inspect" "e8d0af71f7844eefd1c44113912dbbd574f323a5d7b8c091fd3e4740da07511b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8d0af71f7844eefd1c44113912dbbd574f323a5d7b8c091fd3e4740da07511b", kill_on_drop: false }`
[INFO] [stdout] e8d0af71f7844eefd1c44113912dbbd574f323a5d7b8c091fd3e4740da07511b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1dca3424ad538269963692c1b96d4927d4b2b94503cc0d250c01bb97aadd5054
[INFO] running `Command { std: "docker" "start" "-a" "1dca3424ad538269963692c1b96d4927d4b2b94503cc0d250c01bb97aadd5054", kill_on_drop: false }`
[INFO] [stderr]    Compiling square v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `square::*`
[INFO] [stdout]  --> examples/playground.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use square::*;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Application`
[INFO] [stdout]  --> examples/playground.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let app = Application::new();
[INFO] [stdout]   |               ^^^^^^^^^^^ use of undeclared type `Application`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Window`
[INFO] [stdout]  --> examples/playground.rs:8:18
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let window = Window::new(900., 700.);
[INFO] [stdout]   |                  ^^^^^^ use of undeclared type `Window`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SolidColor`
[INFO] [stdout]   --> examples/playground.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut top_bar = SolidColor::new(0xeaeaeb);
[INFO] [stdout]    |                       ^^^^^^^^^^ use of undeclared type `SolidColor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SolidColor`
[INFO] [stdout]   --> examples/playground.rs:14:30
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut top_bar_border = SolidColor::new(0xdbdbdc);
[INFO] [stdout]    |                              ^^^^^^^^^^ use of undeclared type `SolidColor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SolidColor`
[INFO] [stdout]   --> examples/playground.rs:17:26
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let mut bottom_bar = SolidColor::new(0xeaeaeb);
[INFO] [stdout]    |                          ^^^^^^^^^^ use of undeclared type `SolidColor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SolidColor`
[INFO] [stdout]   --> examples/playground.rs:20:33
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut bottom_bar_border = SolidColor::new(0xdbdbdc);
[INFO] [stdout]    |                                 ^^^^^^^^^^ use of undeclared type `SolidColor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Text`
[INFO] [stdout]   --> examples/playground.rs:23:22
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut line_1 = Text::new();
[INFO] [stdout]    |                      ^^^^ use of undeclared type `Text`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Row`
[INFO] [stdout]   --> examples/playground.rs:27:20
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let mut main = Row::new();
[INFO] [stdout]    |                    ^^^ use of undeclared type `Row`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Column`
[INFO] [stdout]   --> examples/playground.rs:31:25
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let mut container = Column::new();
[INFO] [stdout]    |                         ^^^^^^ use of undeclared type `Column`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `square` (example "playground") due to 10 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1dca3424ad538269963692c1b96d4927d4b2b94503cc0d250c01bb97aadd5054", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dca3424ad538269963692c1b96d4927d4b2b94503cc0d250c01bb97aadd5054", kill_on_drop: false }`
[INFO] [stdout] 1dca3424ad538269963692c1b96d4927d4b2b94503cc0d250c01bb97aadd5054
[INFO] testing square-0.0.1 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate square 0.0.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate square 0.0.1 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate square 0.0.1
[INFO] finished tweaking crates.io crate square 0.0.1
[INFO] tweaked toml for crates.io crate square 0.0.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 131a8a8885f6897f051916e66beaa8ac8d207a0a282eb5cd2f4e8426f3d58b43
[INFO] running `Command { std: "docker" "start" "-a" "131a8a8885f6897f051916e66beaa8ac8d207a0a282eb5cd2f4e8426f3d58b43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "131a8a8885f6897f051916e66beaa8ac8d207a0a282eb5cd2f4e8426f3d58b43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "131a8a8885f6897f051916e66beaa8ac8d207a0a282eb5cd2f4e8426f3d58b43", kill_on_drop: false }`
[INFO] [stdout] 131a8a8885f6897f051916e66beaa8ac8d207a0a282eb5cd2f4e8426f3d58b43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82dc63533b2baafc81dbf8e044341c7df75189f553db3fbd67cb2a9e779d2a61
[INFO] running `Command { std: "docker" "start" "-a" "82dc63533b2baafc81dbf8e044341c7df75189f553db3fbd67cb2a9e779d2a61", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.75
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling gimli v0.28.1
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling palette v0.3.0
[INFO] [stderr]    Compiling addr2line v0.21.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling square v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.90s
[INFO] running `Command { std: "docker" "inspect" "82dc63533b2baafc81dbf8e044341c7df75189f553db3fbd67cb2a9e779d2a61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82dc63533b2baafc81dbf8e044341c7df75189f553db3fbd67cb2a9e779d2a61", kill_on_drop: false }`
[INFO] [stdout] 82dc63533b2baafc81dbf8e044341c7df75189f553db3fbd67cb2a9e779d2a61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28a0b40b76172469da38facd9011d0f5377ccc45c10766d7bad7016adf2af667
[INFO] running `Command { std: "docker" "start" "-a" "28a0b40b76172469da38facd9011d0f5377ccc45c10766d7bad7016adf2af667", kill_on_drop: false }`
[INFO] [stderr]    Compiling square v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `square::*`
[INFO] [stdout]  --> examples/playground.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use square::*;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Application`
[INFO] [stdout]  --> examples/playground.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let app = Application::new();
[INFO] [stdout]   |               ^^^^^^^^^^^ use of undeclared type `Application`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Window`
[INFO] [stdout]  --> examples/playground.rs:8:18
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let window = Window::new(900., 700.);
[INFO] [stdout]   |                  ^^^^^^ use of undeclared type `Window`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SolidColor`
[INFO] [stdout]   --> examples/playground.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut top_bar = SolidColor::new(0xeaeaeb);
[INFO] [stdout]    |                       ^^^^^^^^^^ use of undeclared type `SolidColor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SolidColor`
[INFO] [stdout]   --> examples/playground.rs:14:30
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut top_bar_border = SolidColor::new(0xdbdbdc);
[INFO] [stdout]    |                              ^^^^^^^^^^ use of undeclared type `SolidColor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SolidColor`
[INFO] [stdout]   --> examples/playground.rs:17:26
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let mut bottom_bar = SolidColor::new(0xeaeaeb);
[INFO] [stdout]    |                          ^^^^^^^^^^ use of undeclared type `SolidColor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SolidColor`
[INFO] [stdout]   --> examples/playground.rs:20:33
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut bottom_bar_border = SolidColor::new(0xdbdbdc);
[INFO] [stdout]    |                                 ^^^^^^^^^^ use of undeclared type `SolidColor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Text`
[INFO] [stdout]   --> examples/playground.rs:23:22
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut line_1 = Text::new();
[INFO] [stdout]    |                      ^^^^ use of undeclared type `Text`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Row`
[INFO] [stdout]   --> examples/playground.rs:27:20
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let mut main = Row::new();
[INFO] [stdout]    |                    ^^^ use of undeclared type `Row`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Column`
[INFO] [stdout]   --> examples/playground.rs:31:25
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let mut container = Column::new();
[INFO] [stdout]    |                         ^^^^^^ use of undeclared type `Column`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `square` (example "playground") due to 10 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "28a0b40b76172469da38facd9011d0f5377ccc45c10766d7bad7016adf2af667", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28a0b40b76172469da38facd9011d0f5377ccc45c10766d7bad7016adf2af667", kill_on_drop: false }`
[INFO] [stdout] 28a0b40b76172469da38facd9011d0f5377ccc45c10766d7bad7016adf2af667
