[INFO] cloning repository https://github.com/S0urceror/AgonElectronOS-emulator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/S0urceror/AgonElectronOS-emulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FS0urceror%2FAgonElectronOS-emulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FS0urceror%2FAgonElectronOS-emulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f4448a31cdcd11dff0478c01a5348f1e1205b359
[INFO] checking S0urceror/AgonElectronOS-emulator against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FS0urceror%2FAgonElectronOS-emulator" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/S0urceror/AgonElectronOS-emulator on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/S0urceror/AgonElectronOS-emulator
[INFO] finished tweaking git repo https://github.com/S0urceror/AgonElectronOS-emulator
[INFO] tweaked toml for git repo https://github.com/S0urceror/AgonElectronOS-emulator written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/S0urceror/AgonElectronOS-emulator 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/tomm/ez80.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded iana-time-zone v0.1.56
[INFO] [stderr]   Downloaded proc-macro2 v1.0.59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bbdb67d3aefae9d29e6db85e88b821613b020a720e6cbfc026e6ce4130c4c5e1
[INFO] running `Command { std: "docker" "start" "-a" "bbdb67d3aefae9d29e6db85e88b821613b020a720e6cbfc026e6ce4130c4c5e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbdb67d3aefae9d29e6db85e88b821613b020a720e6cbfc026e6ce4130c4c5e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbdb67d3aefae9d29e6db85e88b821613b020a720e6cbfc026e6ce4130c4c5e1", kill_on_drop: false }`
[INFO] [stdout] bbdb67d3aefae9d29e6db85e88b821613b020a720e6cbfc026e6ce4130c4c5e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c979cfa4d95a58dd120bf16f47a2b82ee21fac6a4bb19acafbf753aa8631e84
[INFO] running `Command { std: "docker" "start" "-a" "9c979cfa4d95a58dd120bf16f47a2b82ee21fac6a4bb19acafbf753aa8631e84", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]     Checking iana-time-zone v0.1.56
[INFO] [stderr]     Checking ez80 v0.4.1 (https://github.com/tomm/ez80.git#f3598df3)
[INFO] [stderr]    Compiling sdl2-sys v0.35.2
[INFO] [stderr]     Checking agon-cpu-emulator v0.1.1 (/opt/rustwide/workdir/agon-cpu-emulator)
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]     --> agon-cpu-emulator/src/agon_machine.rs:1037:21
[INFO] [stdout]      |
[INFO] [stdout] 1037 |                 let a:u8 = 3;
[INFO] [stdout]      |                     ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]     --> agon-cpu-emulator/src/agon_machine.rs:1045:21
[INFO] [stdout]      |
[INFO] [stdout] 1045 |                 let a:u8 = 3;
[INFO] [stdout]      |                     ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]     --> agon-cpu-emulator/src/agon_machine.rs:1049:21
[INFO] [stdout]      |
[INFO] [stdout] 1049 |                 let a:u8 = 3;
[INFO] [stdout]      |                     ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]     --> agon-cpu-emulator/src/agon_machine.rs:1054:21
[INFO] [stdout]      |
[INFO] [stdout] 1054 |                 let a:u8 = 3;
[INFO] [stdout]      |                     ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `checksum` is never used
[INFO] [stdout]     --> agon-cpu-emulator/src/agon_machine.rs:1103:12
[INFO] [stdout]      |
[INFO] [stdout] 1103 |     pub fn checksum<M: Machine>(machine: &M, start: u32, len: u32) -> u32 {
[INFO] [stdout]      |            ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stderr]     Checking agon-light-vdp v0.1.0 (/opt/rustwide/workdir/agon-light-vdp)
[INFO] [stderr]     Checking agon-light-emulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `sdl2::keyboard::Keycode`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use sdl2::keyboard::Keycode;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::keyboard::Keycode`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use sdl2::keyboard::Keycode;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::sys::KeyCode`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use sdl2::sys::KeyCode;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::sys::KeyCode`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use sdl2::sys::KeyCode;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scale`
[INFO] [stdout]   --> src/main.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let scale = 2.0f32;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_scale`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keycode`
[INFO] [stdout]   --> src/main.rs:60:31
[INFO] [stdout]    |
[INFO] [stdout] 60 |                 Event::KeyUp {keycode, keymod, scancode, ..}  | Event::KeyDown {keycode, keymod, scancode, ..} => {
[INFO] [stdout]    |                               ^^^^^^^                                           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: try ignoring the field
[INFO] [stdout]    |
[INFO] [stdout] 60 |                 Event::KeyUp {keycode: _, keymod, scancode, ..}  | Event::KeyDown {keycode: _, keymod, scancode, ..} => {
[INFO] [stdout]    |                               ~~~~~~~~~~                                           ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let mut canvas = window.into_canvas().build().map_err(|e| e.to_string())?;
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `tx_VDP2EZ80` should have a snake case name
[INFO] [stdout]   --> src/main.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let (tx_VDP2EZ80, rx_VDP2EZ80): (Sender<u8>, Receiver<u8>) = mpsc::channel();
[INFO] [stdout]    |          ^^^^^^^^^^^ help: convert the identifier to snake case: `tx_vdp2_ez80`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `rx_VDP2EZ80` should have a snake case name
[INFO] [stdout]   --> src/main.rs:15:23
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let (tx_VDP2EZ80, rx_VDP2EZ80): (Sender<u8>, Receiver<u8>) = mpsc::channel();
[INFO] [stdout]    |                       ^^^^^^^^^^^ help: convert the identifier to snake case: `rx_vdp2_ez80`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `tx_EZ802VDP` should have a snake case name
[INFO] [stdout]   --> src/main.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let (tx_EZ802VDP, rx_EZ802VDP): (Sender<u8>, Receiver<u8>) = mpsc::channel();
[INFO] [stdout]    |          ^^^^^^^^^^^ help: convert the identifier to snake case: `tx_ez802_vdp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `rx_EZ802VDP` should have a snake case name
[INFO] [stdout]   --> src/main.rs:16:23
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let (tx_EZ802VDP, rx_EZ802VDP): (Sender<u8>, Receiver<u8>) = mpsc::channel();
[INFO] [stdout]    |                       ^^^^^^^^^^^ help: convert the identifier to snake case: `rx_ez802_vdp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scale`
[INFO] [stdout]   --> src/main.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let scale = 2.0f32;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_scale`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keycode`
[INFO] [stdout]   --> src/main.rs:60:31
[INFO] [stdout]    |
[INFO] [stdout] 60 |                 Event::KeyUp {keycode, keymod, scancode, ..}  | Event::KeyDown {keycode, keymod, scancode, ..} => {
[INFO] [stdout]    |                               ^^^^^^^                                           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: try ignoring the field
[INFO] [stdout]    |
[INFO] [stdout] 60 |                 Event::KeyUp {keycode: _, keymod, scancode, ..}  | Event::KeyDown {keycode: _, keymod, scancode, ..} => {
[INFO] [stdout]    |                               ~~~~~~~~~~                                           ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let mut canvas = window.into_canvas().build().map_err(|e| e.to_string())?;
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `tx_VDP2EZ80` should have a snake case name
[INFO] [stdout]   --> src/main.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let (tx_VDP2EZ80, rx_VDP2EZ80): (Sender<u8>, Receiver<u8>) = mpsc::channel();
[INFO] [stdout]    |          ^^^^^^^^^^^ help: convert the identifier to snake case: `tx_vdp2_ez80`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `rx_VDP2EZ80` should have a snake case name
[INFO] [stdout]   --> src/main.rs:15:23
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let (tx_VDP2EZ80, rx_VDP2EZ80): (Sender<u8>, Receiver<u8>) = mpsc::channel();
[INFO] [stdout]    |                       ^^^^^^^^^^^ help: convert the identifier to snake case: `rx_vdp2_ez80`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `tx_EZ802VDP` should have a snake case name
[INFO] [stdout]   --> src/main.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let (tx_EZ802VDP, rx_EZ802VDP): (Sender<u8>, Receiver<u8>) = mpsc::channel();
[INFO] [stdout]    |          ^^^^^^^^^^^ help: convert the identifier to snake case: `tx_ez802_vdp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `rx_EZ802VDP` should have a snake case name
[INFO] [stdout]   --> src/main.rs:16:23
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let (tx_EZ802VDP, rx_EZ802VDP): (Sender<u8>, Receiver<u8>) = mpsc::channel();
[INFO] [stdout]    |                       ^^^^^^^^^^^ help: convert the identifier to snake case: `rx_ez802_vdp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.05s
[INFO] running `Command { std: "docker" "inspect" "9c979cfa4d95a58dd120bf16f47a2b82ee21fac6a4bb19acafbf753aa8631e84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c979cfa4d95a58dd120bf16f47a2b82ee21fac6a4bb19acafbf753aa8631e84", kill_on_drop: false }`
[INFO] [stdout] 9c979cfa4d95a58dd120bf16f47a2b82ee21fac6a4bb19acafbf753aa8631e84
[INFO] checking S0urceror/AgonElectronOS-emulator against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FS0urceror%2FAgonElectronOS-emulator" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/S0urceror/AgonElectronOS-emulator on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/S0urceror/AgonElectronOS-emulator
[INFO] finished tweaking git repo https://github.com/S0urceror/AgonElectronOS-emulator
[INFO] tweaked toml for git repo https://github.com/S0urceror/AgonElectronOS-emulator written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/S0urceror/AgonElectronOS-emulator 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3ea616011d5b59b50bfbd331d6ae5fd912cb082c74a1b68f3aef74228ca9c28
[INFO] running `Command { std: "docker" "start" "-a" "e3ea616011d5b59b50bfbd331d6ae5fd912cb082c74a1b68f3aef74228ca9c28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3ea616011d5b59b50bfbd331d6ae5fd912cb082c74a1b68f3aef74228ca9c28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3ea616011d5b59b50bfbd331d6ae5fd912cb082c74a1b68f3aef74228ca9c28", kill_on_drop: false }`
[INFO] [stdout] e3ea616011d5b59b50bfbd331d6ae5fd912cb082c74a1b68f3aef74228ca9c28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef3919dfa37d82d9bdd48d04ce2490450d3cead747f8c85dd29757fe4eec916d
[INFO] running `Command { std: "docker" "start" "-a" "ef3919dfa37d82d9bdd48d04ce2490450d3cead747f8c85dd29757fe4eec916d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]     Checking iana-time-zone v0.1.56
[INFO] [stderr]     Checking ez80 v0.4.1 (https://github.com/tomm/ez80.git#f3598df3)
[INFO] [stderr]    Compiling sdl2-sys v0.35.2
[INFO] [stderr]     Checking agon-cpu-emulator v0.1.1 (/opt/rustwide/workdir/agon-cpu-emulator)
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]     --> agon-cpu-emulator/src/agon_machine.rs:1037:21
[INFO] [stdout]      |
[INFO] [stdout] 1037 |                 let a:u8 = 3;
[INFO] [stdout]      |                     ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]     --> agon-cpu-emulator/src/agon_machine.rs:1045:21
[INFO] [stdout]      |
[INFO] [stdout] 1045 |                 let a:u8 = 3;
[INFO] [stdout]      |                     ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]     --> agon-cpu-emulator/src/agon_machine.rs:1049:21
[INFO] [stdout]      |
[INFO] [stdout] 1049 |                 let a:u8 = 3;
[INFO] [stdout]      |                     ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]     --> agon-cpu-emulator/src/agon_machine.rs:1054:21
[INFO] [stdout]      |
[INFO] [stdout] 1054 |                 let a:u8 = 3;
[INFO] [stdout]      |                     ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `checksum` is never used
[INFO] [stdout]     --> agon-cpu-emulator/src/agon_machine.rs:1103:12
[INFO] [stdout]      |
[INFO] [stdout] 1103 |     pub fn checksum<M: Machine>(machine: &M, start: u32, len: u32) -> u32 {
[INFO] [stdout]      |            ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stderr]     Checking agon-light-vdp v0.1.0 (/opt/rustwide/workdir/agon-light-vdp)
[INFO] [stderr]     Checking agon-light-emulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `sdl2::keyboard::Keycode`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use sdl2::keyboard::Keycode;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::sys::KeyCode`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use sdl2::sys::KeyCode;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::keyboard::Keycode`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use sdl2::keyboard::Keycode;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::sys::KeyCode`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use sdl2::sys::KeyCode;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scale`
[INFO] [stdout]   --> src/main.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let scale = 2.0f32;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_scale`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keycode`
[INFO] [stdout]   --> src/main.rs:60:31
[INFO] [stdout]    |
[INFO] [stdout] 60 |                 Event::KeyUp {keycode, keymod, scancode, ..}  | Event::KeyDown {keycode, keymod, scancode, ..} => {
[INFO] [stdout]    |                               ^^^^^^^                                           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: try ignoring the field
[INFO] [stdout]    |
[INFO] [stdout] 60 |                 Event::KeyUp {keycode: _, keymod, scancode, ..}  | Event::KeyDown {keycode: _, keymod, scancode, ..} => {
[INFO] [stdout]    |                               ~~~~~~~~~~                                           ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let mut canvas = window.into_canvas().build().map_err(|e| e.to_string())?;
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `tx_VDP2EZ80` should have a snake case name
[INFO] [stdout]   --> src/main.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let (tx_VDP2EZ80, rx_VDP2EZ80): (Sender<u8>, Receiver<u8>) = mpsc::channel();
[INFO] [stdout]    |          ^^^^^^^^^^^ help: convert the identifier to snake case: `tx_vdp2_ez80`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `rx_VDP2EZ80` should have a snake case name
[INFO] [stdout]   --> src/main.rs:15:23
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let (tx_VDP2EZ80, rx_VDP2EZ80): (Sender<u8>, Receiver<u8>) = mpsc::channel();
[INFO] [stdout]    |                       ^^^^^^^^^^^ help: convert the identifier to snake case: `rx_vdp2_ez80`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `tx_EZ802VDP` should have a snake case name
[INFO] [stdout]   --> src/main.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let (tx_EZ802VDP, rx_EZ802VDP): (Sender<u8>, Receiver<u8>) = mpsc::channel();
[INFO] [stdout]    |          ^^^^^^^^^^^ help: convert the identifier to snake case: `tx_ez802_vdp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `rx_EZ802VDP` should have a snake case name
[INFO] [stdout]   --> src/main.rs:16:23
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let (tx_EZ802VDP, rx_EZ802VDP): (Sender<u8>, Receiver<u8>) = mpsc::channel();
[INFO] [stdout]    |                       ^^^^^^^^^^^ help: convert the identifier to snake case: `rx_ez802_vdp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scale`
[INFO] [stdout]   --> src/main.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let scale = 2.0f32;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_scale`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keycode`
[INFO] [stdout]   --> src/main.rs:60:31
[INFO] [stdout]    |
[INFO] [stdout] 60 |                 Event::KeyUp {keycode, keymod, scancode, ..}  | Event::KeyDown {keycode, keymod, scancode, ..} => {
[INFO] [stdout]    |                               ^^^^^^^                                           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: try ignoring the field
[INFO] [stdout]    |
[INFO] [stdout] 60 |                 Event::KeyUp {keycode: _, keymod, scancode, ..}  | Event::KeyDown {keycode: _, keymod, scancode, ..} => {
[INFO] [stdout]    |                               ~~~~~~~~~~                                           ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let mut canvas = window.into_canvas().build().map_err(|e| e.to_string())?;
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `tx_VDP2EZ80` should have a snake case name
[INFO] [stdout]   --> src/main.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let (tx_VDP2EZ80, rx_VDP2EZ80): (Sender<u8>, Receiver<u8>) = mpsc::channel();
[INFO] [stdout]    |          ^^^^^^^^^^^ help: convert the identifier to snake case: `tx_vdp2_ez80`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `rx_VDP2EZ80` should have a snake case name
[INFO] [stdout]   --> src/main.rs:15:23
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let (tx_VDP2EZ80, rx_VDP2EZ80): (Sender<u8>, Receiver<u8>) = mpsc::channel();
[INFO] [stdout]    |                       ^^^^^^^^^^^ help: convert the identifier to snake case: `rx_vdp2_ez80`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `tx_EZ802VDP` should have a snake case name
[INFO] [stdout]   --> src/main.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let (tx_EZ802VDP, rx_EZ802VDP): (Sender<u8>, Receiver<u8>) = mpsc::channel();
[INFO] [stdout]    |          ^^^^^^^^^^^ help: convert the identifier to snake case: `tx_ez802_vdp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `rx_EZ802VDP` should have a snake case name
[INFO] [stdout]   --> src/main.rs:16:23
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let (tx_EZ802VDP, rx_EZ802VDP): (Sender<u8>, Receiver<u8>) = mpsc::channel();
[INFO] [stdout]    |                       ^^^^^^^^^^^ help: convert the identifier to snake case: `rx_ez802_vdp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.72s
[INFO] running `Command { std: "docker" "inspect" "ef3919dfa37d82d9bdd48d04ce2490450d3cead747f8c85dd29757fe4eec916d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef3919dfa37d82d9bdd48d04ce2490450d3cead747f8c85dd29757fe4eec916d", kill_on_drop: false }`
[INFO] [stdout] ef3919dfa37d82d9bdd48d04ce2490450d3cead747f8c85dd29757fe4eec916d