[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 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGoberInfinity%2Fart-with-rust" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GoberInfinity/art-with-rust on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", 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-3/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: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ab7f33ac0360766fbf775fecaf365052542e6502c273a71f3d1f07fa53aff2a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1ab7f33ac0360766fbf775fecaf365052542e6502c273a71f3d1f07fa53aff2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ab7f33ac0360766fbf775fecaf365052542e6502c273a71f3d1f07fa53aff2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ab7f33ac0360766fbf775fecaf365052542e6502c273a71f3d1f07fa53aff2a", kill_on_drop: false }`
[INFO] [stdout] 1ab7f33ac0360766fbf775fecaf365052542e6502c273a71f3d1f07fa53aff2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a64c247aa603d7c01b218653ce71b6e5bc1e39c5846c35e3da83757228b594df
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a64c247aa603d7c01b218653ce71b6e5bc1e39c5846c35e3da83757228b594df", kill_on_drop: false }`
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[INFO] [stderr]     Checking image v0.22.5
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[INFO] [stderr]     Checking art v0.1.0 (/opt/rustwide/workdir)
[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] error[E0601]: `main` function not found in crate `art`
[INFO] [stdout]  --> src/main.rs:1:1
[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 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`
[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] [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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a64c247aa603d7c01b218653ce71b6e5bc1e39c5846c35e3da83757228b594df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a64c247aa603d7c01b218653ce71b6e5bc1e39c5846c35e3da83757228b594df", kill_on_drop: false }`
[INFO] [stdout] a64c247aa603d7c01b218653ce71b6e5bc1e39c5846c35e3da83757228b594df