[INFO] fetching crate arc 0.0.1...
[INFO] checking arc-0.0.1 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] extracting crate arc 0.0.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate arc 0.0.1 on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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 /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 64 packages to latest compatible versions
[INFO] [stderr]       Adding cocoa v0.15.0 (available: v0.26.0)
[INFO] [stderr]       Adding palette v0.3.0 (available: v0.7.6)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cocoa v0.15.0
[INFO] [stderr]   Downloaded palette v0.3.0
[INFO] [stderr]   Downloaded core-graphics v0.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61887fc0e15fa04267daef634dce29b666dda1e923a7f612c6b830a1434f66d1
[INFO] running `Command { std: "docker" "start" "-a" "61887fc0e15fa04267daef634dce29b666dda1e923a7f612c6b830a1434f66d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61887fc0e15fa04267daef634dce29b666dda1e923a7f612c6b830a1434f66d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61887fc0e15fa04267daef634dce29b666dda1e923a7f612c6b830a1434f66d1", kill_on_drop: false }`
[INFO] [stdout] 61887fc0e15fa04267daef634dce29b666dda1e923a7f612c6b830a1434f66d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df5b90f37505389e0bd04abb941e276941946df64996bdfaef0afcbafb62c4a1
[INFO] running `Command { std: "docker" "start" "-a" "df5b90f37505389e0bd04abb941e276941946df64996bdfaef0afcbafb62c4a1", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[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 syn v1.0.109
[INFO] [stderr]     Checking gimli v0.31.1
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]     Checking object v0.36.5
[INFO] [stderr]     Checking miniz_oxide v0.8.0
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking phf_shared v0.7.24
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]     Checking phf v0.7.24
[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]     Checking addr2line v0.24.2
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking backtrace v0.3.74
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking arc v0.0.1 (/opt/rustwide/workdir)
[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();
[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:15:30
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let mut top_bar_border = SolidColor::new();
[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:19:26
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut bottom_bar = SolidColor::new();
[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:23:33
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut bottom_bar_border = SolidColor::new();
[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:27:20
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let mut main = SolidColor::new();
[INFO] [stdout]    |                    ^^^^^^^^^^ use of undeclared type `SolidColor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Column`
[INFO] [stdout]   --> examples/playground.rs:30:25
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let mut container = Column::new();
[INFO] [stdout]    |                         ^^^^^^ use of undeclared type `Column`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `arc` (example "playground") due to 8 previous errors
[INFO] running `Command { std: "docker" "inspect" "df5b90f37505389e0bd04abb941e276941946df64996bdfaef0afcbafb62c4a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df5b90f37505389e0bd04abb941e276941946df64996bdfaef0afcbafb62c4a1", kill_on_drop: false }`
[INFO] [stdout] df5b90f37505389e0bd04abb941e276941946df64996bdfaef0afcbafb62c4a1