[INFO] cloning repository https://github.com/GoberInfinity/art-with-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GoberInfinity/art-with-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGoberInfinity%2Fart-with-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGoberInfinity%2Fart-with-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b584bd4873fadaadb1c85d468a49158bf7d5e377
[INFO] checking GoberInfinity/art-with-rust/b584bd4873fadaadb1c85d468a49158bf7d5e377 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGoberInfinity%2Fart-with-rust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GoberInfinity/art-with-rust on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/GoberInfinity/art-with-rust
[INFO] removed 4 missing examples
[INFO] finished tweaking git repo https://github.com/GoberInfinity/art-with-rust
[INFO] tweaked toml for git repo https://github.com/GoberInfinity/art-with-rust written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/GoberInfinity/art-with-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34119396e5beeb797dffd7259781d4f894e5ce4b027c1ba869e505450b89bedc
[INFO] running `Command { std: "docker" "start" "-a" "34119396e5beeb797dffd7259781d4f894e5ce4b027c1ba869e505450b89bedc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34119396e5beeb797dffd7259781d4f894e5ce4b027c1ba869e505450b89bedc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34119396e5beeb797dffd7259781d4f894e5ce4b027c1ba869e505450b89bedc", kill_on_drop: false }`
[INFO] [stdout] 34119396e5beeb797dffd7259781d4f894e5ce4b027c1ba869e505450b89bedc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf4351836e2aeafc4ce9290d1a68474d569f56593fbb2f7bf7afa9c9dae5fec9
[INFO] running `Command { std: "docker" "start" "-a" "bf4351836e2aeafc4ce9290d1a68474d569f56593fbb2f7bf7afa9c9dae5fec9", kill_on_drop: false }`
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[INFO] [stderr]     Checking takeable-option v0.5.0
[INFO] [stderr]     Checking lyon_tessellation v0.15.8
[INFO] [stderr]     Checking lyon_geom v0.14.1
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking nalgebra v0.18.1
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling palette_derive v0.5.0
[INFO] [stderr]    Compiling valora_derive v0.1.0
[INFO] [stderr]     Checking noise v0.6.0
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking glslwatch v0.1.3
[INFO] [stderr]     Checking image v0.22.5
[INFO] [stderr]     Checking structopt v0.3.15
[INFO] [stderr]     Checking smithay-client-toolkit v0.6.6
[INFO] [stderr]     Checking winit v0.22.2
[INFO] [stderr]     Checking glutin v0.24.1
[INFO] [stderr]     Checking valora v0.2.12
[INFO] [stderr]     Checking art v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `art`
[INFO] [stdout]  --> src/main.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate art;
[INFO] [stdout]   |                  ^ consider adding a `main` function to `src/main.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `art` (bin "art") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `art::types`
[INFO] [stdout]  --> examples/pallete.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use art::types;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gpu`
[INFO] [stdout]  --> examples/pallete.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn setup(gpu: Gpu, world: World, rng: &mut StdRng) -> Result<Self> {
[INFO] [stdout]   |              ^^^ help: if this is intentional, prefix it with an underscore: `_gpu`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `world`
[INFO] [stdout]  --> examples/pallete.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn setup(gpu: Gpu, world: World, rng: &mut StdRng) -> Result<Self> {
[INFO] [stdout]   |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_world`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]  --> examples/pallete.rs:9:38
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn setup(gpu: Gpu, world: World, rng: &mut StdRng) -> Result<Self> {
[INFO] [stdout]   |                                      ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> examples/pallete.rs:22:25
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn paint(&mut self, ctx: Context, canvas: &mut Canvas) {
[INFO] [stdout]    |                         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bf4351836e2aeafc4ce9290d1a68474d569f56593fbb2f7bf7afa9c9dae5fec9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf4351836e2aeafc4ce9290d1a68474d569f56593fbb2f7bf7afa9c9dae5fec9", kill_on_drop: false }`
[INFO] [stdout] bf4351836e2aeafc4ce9290d1a68474d569f56593fbb2f7bf7afa9c9dae5fec9