[INFO] cloning repository https://github.com/vivlim/rs_pi0_ssd1306
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vivlim/rs_pi0_ssd1306" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvivlim%2Frs_pi0_ssd1306", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvivlim%2Frs_pi0_ssd1306'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e260c543d447c1339dada6567e63f18dbf54d33
[INFO] checking vivlim/rs_pi0_ssd1306 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvivlim%2Frs_pi0_ssd1306" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vivlim/rs_pi0_ssd1306 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/vivlim/rs_pi0_ssd1306
[INFO] finished tweaking git repo https://github.com/vivlim/rs_pi0_ssd1306
[INFO] tweaked toml for git repo https://github.com/vivlim/rs_pi0_ssd1306 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/vivlim/rs_pi0_ssd1306 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nb v0.1.2
[INFO] [stderr]   Downloaded embedded-hal v0.2.3
[INFO] [stderr]   Downloaded cc v1.0.48
[INFO] [stderr]   Downloaded embedded-graphics v0.6.0-alpha.2
[INFO] [stderr]   Downloaded backtrace v0.3.40
[INFO] [stderr]   Downloaded rppal v0.11.3
[INFO] [stderr]   Downloaded ssd1306 v0.3.0-alpha.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14091495b9f3e54cd937cc0d58c3aa658b79bda6d43d92d80cdfb56ea5290f1d
[INFO] running `Command { std: "docker" "start" "-a" "14091495b9f3e54cd937cc0d58c3aa658b79bda6d43d92d80cdfb56ea5290f1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14091495b9f3e54cd937cc0d58c3aa658b79bda6d43d92d80cdfb56ea5290f1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14091495b9f3e54cd937cc0d58c3aa658b79bda6d43d92d80cdfb56ea5290f1d", kill_on_drop: false }`
[INFO] [stdout] 14091495b9f3e54cd937cc0d58c3aa658b79bda6d43d92d80cdfb56ea5290f1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16d2ccf55a929232eea6eb3cffbefa7aab2e468a24f62491759c525dc2019468
[INFO] running `Command { std: "docker" "start" "-a" "16d2ccf55a929232eea6eb3cffbefa7aab2e468a24f62491759c525dc2019468", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling ssd1306 v0.3.0-alpha.2
[INFO] [stderr]     Checking strum v0.16.0
[INFO] [stderr]     Checking embedded-hal v0.2.3
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking embedded-graphics v0.6.0-alpha.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking rppal v0.11.3
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling strum_macros v0.16.0
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking pi0_ssd1306 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `text_6x8`
[INFO] [stdout]  --> src/main.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 | use embedded_graphics::{text_6x8, egcircle};
[INFO] [stdout]   |                         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `text_6x8`
[INFO] [stdout]  --> src/main.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 | use embedded_graphics::{text_6x8, egcircle};
[INFO] [stdout]   |                         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main.rs:139:5
[INFO] [stdout]     |
[INFO] [stdout] 130 | /     loop {
[INFO] [stdout] 131 | |         view.draw(&mut disp, BinaryColor::Off).unwrap(); // clear previous frame
[INFO] [stdout] 132 | |         dispatch_input_events(&mut inputs, &gpio, &mut input_events, &mut view);
[INFO] [stdout] 133 | |         view.draw(&mut disp, BinaryColor::On).unwrap(); // draw new frame
[INFO] [stdout] 134 | |         disp.flush().unwrap();
[INFO] [stdout] 135 | |         std::thread::sleep(std::time::Duration::from_millis(100));
[INFO] [stdout] 136 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 139 |       Ok(())
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main.rs:139:5
[INFO] [stdout]     |
[INFO] [stdout] 130 | /     loop {
[INFO] [stdout] 131 | |         view.draw(&mut disp, BinaryColor::Off).unwrap(); // clear previous frame
[INFO] [stdout] 132 | |         dispatch_input_events(&mut inputs, &gpio, &mut input_events, &mut view);
[INFO] [stdout] 133 | |         view.draw(&mut disp, BinaryColor::On).unwrap(); // draw new frame
[INFO] [stdout] 134 | |         disp.flush().unwrap();
[INFO] [stdout] 135 | |         std::thread::sleep(std::time::Duration::from_millis(100));
[INFO] [stdout] 136 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 139 |       Ok(())
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gpio`
[INFO] [stdout]   --> src/main.rs:41:51
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn dispatch_input_events(inputs: &mut Vec<Input>, gpio: &Gpio, input_events: &mut VecDeque<KeyEvent>, target_view: &mut View) {
[INFO] [stdout]    |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_gpio`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gpio`
[INFO] [stdout]   --> src/main.rs:41:51
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn dispatch_input_events(inputs: &mut Vec<Input>, gpio: &Gpio, input_events: &mut VecDeque<KeyEvent>, target_view: &mut View) {
[INFO] [stdout]    |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_gpio`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `dist` should have an upper case name
[INFO] [stdout]   --> src/main.rs:80:15
[INFO] [stdout]    |
[INFO] [stdout] 80 |         const dist: i32 = 5;
[INFO] [stdout]    |               ^^^^ help: convert the identifier to upper case: `DIST`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `dist` should have an upper case name
[INFO] [stdout]   --> src/main.rs:80:15
[INFO] [stdout]    |
[INFO] [stdout] 80 |         const dist: i32 = 5;
[INFO] [stdout]    |               ^^^^ help: convert the identifier to upper case: `DIST`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.98s
[INFO] running `Command { std: "docker" "inspect" "16d2ccf55a929232eea6eb3cffbefa7aab2e468a24f62491759c525dc2019468", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16d2ccf55a929232eea6eb3cffbefa7aab2e468a24f62491759c525dc2019468", kill_on_drop: false }`
[INFO] [stdout] 16d2ccf55a929232eea6eb3cffbefa7aab2e468a24f62491759c525dc2019468