[INFO] fetching crate arc 0.0.1...
[INFO] testing arc-0.0.1 against 1.54.0 for beta-1.55-1
[INFO] extracting crate arc 0.0.1 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate arc 0.0.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-28/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 889ba9bcefc1d4d550bb2948c8bca75253ba0c3ad23296797036082271b71fb7
[INFO] running `Command { std: "docker" "start" "-a" "889ba9bcefc1d4d550bb2948c8bca75253ba0c3ad23296797036082271b71fb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "889ba9bcefc1d4d550bb2948c8bca75253ba0c3ad23296797036082271b71fb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "889ba9bcefc1d4d550bb2948c8bca75253ba0c3ad23296797036082271b71fb7", kill_on_drop: false }`
[INFO] [stdout] 889ba9bcefc1d4d550bb2948c8bca75253ba0c3ad23296797036082271b71fb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64c1de8c68ca11d44fa0ac5ee1ee3bce5ae873ca8c12d6bf51e1a3fce2f72c40
[INFO] running `Command { std: "docker" "start" "-a" "64c1de8c68ca11d44fa0ac5ee1ee3bce5ae873ca8c12d6bf51e1a3fce2f72c40", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.20
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling approx v0.1.1
[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_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling phf v0.7.24
[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 miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling object v0.26.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling rand_os v0.1.3
[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 v0.16.0
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling arc v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.58s
[INFO] running `Command { std: "docker" "inspect" "64c1de8c68ca11d44fa0ac5ee1ee3bce5ae873ca8c12d6bf51e1a3fce2f72c40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64c1de8c68ca11d44fa0ac5ee1ee3bce5ae873ca8c12d6bf51e1a3fce2f72c40", kill_on_drop: false }`
[INFO] [stdout] 64c1de8c68ca11d44fa0ac5ee1ee3bce5ae873ca8c12d6bf51e1a3fce2f72c40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed914fe79d77b15dde817f7da48153e545852c371efc7e1ee777d5dffc098602
[INFO] running `Command { std: "docker" "start" "-a" "ed914fe79d77b15dde817f7da48153e545852c371efc7e1ee777d5dffc098602", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling 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] warning: unused import: `arc::*`
[INFO] [stdout]  --> examples/playground.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use arc::*;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 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 `arc`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ed914fe79d77b15dde817f7da48153e545852c371efc7e1ee777d5dffc098602", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed914fe79d77b15dde817f7da48153e545852c371efc7e1ee777d5dffc098602", kill_on_drop: false }`
[INFO] [stdout] ed914fe79d77b15dde817f7da48153e545852c371efc7e1ee777d5dffc098602
