[INFO] cloning repository https://github.com/tokikokoko/empty_nannou
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tokikokoko/empty_nannou" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftokikokoko%2Fempty_nannou", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftokikokoko%2Fempty_nannou'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 805b1678d3033c06dd926a72fea12b2650216f8c
[INFO] checking tokikokoko/empty_nannou against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftokikokoko%2Fempty_nannou" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tokikokoko/empty_nannou on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tokikokoko/empty_nannou
[INFO] finished tweaking git repo https://github.com/tokikokoko/empty_nannou
[INFO] tweaked toml for git repo https://github.com/tokikokoko/empty_nannou written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/tokikokoko/empty_nannou already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18ce479346d2aa5abb566569ca5a68ab3604d5c311adead67c87f58b60082f7d
[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" "18ce479346d2aa5abb566569ca5a68ab3604d5c311adead67c87f58b60082f7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18ce479346d2aa5abb566569ca5a68ab3604d5c311adead67c87f58b60082f7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18ce479346d2aa5abb566569ca5a68ab3604d5c311adead67c87f58b60082f7d", kill_on_drop: false }`
[INFO] [stdout] 18ce479346d2aa5abb566569ca5a68ab3604d5c311adead67c87f58b60082f7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74eac5afd2d09dfc19ab97c6388e6c2e3baff6fabc4cc804087092824426f588
[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" "74eac5afd2d09dfc19ab97c6388e6c2e3baff6fabc4cc804087092824426f588", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling siphasher v0.3.1
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]     Checking conrod_winit v0.69.0
[INFO] [stderr]     Checking notosans v0.1.0
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking inflate v0.3.4
[INFO] [stderr]     Checking hibitset v0.6.3
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]     Checking deflate v0.8.3
[INFO] [stderr]     Checking relevant v0.4.2
[INFO] [stderr]     Checking x11 v2.18.2
[INFO] [stderr]     Checking ash v0.29.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking euclid v0.20.7
[INFO] [stderr]     Checking pennereq v0.3.0
[INFO] [stderr]     Checking gfx-hal v0.4.1
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking sid v0.5.2
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]    Compiling zerocopy-derive v0.1.4
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking png v0.16.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking lyon_geom v0.14.1
[INFO] [stderr]     Checking rusttype v0.8.2
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking num-rational v0.2.3
[INFO] [stderr]     Checking daggy v0.5.0
[INFO] [stderr]     Checking daggy v0.6.0
[INFO] [stderr]     Checking lyon_path v0.14.0
[INFO] [stderr]     Checking num v0.2.1
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[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking lyon_algorithms v0.14.0
[INFO] [stderr]     Checking lyon_tessellation v0.14.2
[INFO] [stderr]     Checking smithay-client-toolkit v0.6.6
[INFO] [stderr]     Checking zerocopy v0.2.8
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]     Checking lyon v0.14.2
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling palette v0.5.0
[INFO] [stderr]     Checking smithay-clipboard v0.4.0
[INFO] [stderr]     Checking winit v0.21.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]     Checking rendy-descriptor v0.5.1
[INFO] [stderr]     Checking rendy-memory v0.5.2
[INFO] [stderr]     Checking gfx-backend-empty v0.4.0
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]     Checking image v0.23.1
[INFO] [stderr]     Checking x11-clipboard v0.5.1
[INFO] [stderr]     Checking noise v0.6.0
[INFO] [stderr]     Checking copypasta v0.6.3
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling conrod_derive v0.69.0
[INFO] [stderr]    Compiling palette_derive v0.5.0
[INFO] [stderr]     Checking gfx-backend-vulkan v0.4.2
[INFO] [stderr]     Checking wgpu-native v0.4.3
[INFO] [stderr]     Checking wgpu v0.4.0
[INFO] [stderr]     Checking pistoncore-input v0.24.0
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking conrod_core v0.69.0
[INFO] [stderr]     Checking conrod_wgpu v0.69.0
[INFO] [stderr]     Checking nannou v0.13.1
[INFO] [stderr]     Checking hello_nannou v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `app`
[INFO] [stdout]   --> src/main.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn view(app: &App, _model: &Model, frame: Frame) {
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_app`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `frame`
[INFO] [stdout]   --> src/main.rs:16:36
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn view(app: &App, _model: &Model, frame: Frame) {
[INFO] [stdout]    |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_frame`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Model`
[INFO] [stdout]  --> src/main.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Model {}
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `model`
[INFO] [stdout]  --> src/main.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn model(_app: &App) -> Model {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `event`
[INFO] [stdout]   --> src/main.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn event(_app: &App, _model: &mut Model, _event: Event) {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `view`
[INFO] [stdout]   --> src/main.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn view(app: &App, _model: &Model, frame: Frame) {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `app`
[INFO] [stdout]   --> src/main.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn view(app: &App, _model: &Model, frame: Frame) {
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_app`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `frame`
[INFO] [stdout]   --> src/main.rs:16:36
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn view(app: &App, _model: &Model, frame: Frame) {
[INFO] [stdout]    |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_frame`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Model`
[INFO] [stdout]  --> src/main.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Model {}
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `model`
[INFO] [stdout]  --> src/main.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn model(_app: &App) -> Model {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `event`
[INFO] [stdout]   --> src/main.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn event(_app: &App, _model: &mut Model, _event: Event) {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `view`
[INFO] [stdout]   --> src/main.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn view(app: &App, _model: &Model, frame: Frame) {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 21s
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "74eac5afd2d09dfc19ab97c6388e6c2e3baff6fabc4cc804087092824426f588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74eac5afd2d09dfc19ab97c6388e6c2e3baff6fabc4cc804087092824426f588", kill_on_drop: false }`
[INFO] [stdout] 74eac5afd2d09dfc19ab97c6388e6c2e3baff6fabc4cc804087092824426f588