[INFO] cloning repository https://github.com/buhe/study_emu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/buhe/study_emu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbuhe%2Fstudy_emu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbuhe%2Fstudy_emu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 36d61d520fa6cb445782f12daa65ce82e841b9db
[INFO] checking buhe/study_emu against master#46424fb5054f211ec836c5c03159f92e46bb35ac for pr-139042
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbuhe%2Fstudy_emu" "/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/buhe/study_emu on toolchain 46424fb5054f211ec836c5c03159f92e46bb35ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/buhe/study_emu
[INFO] finished tweaking git repo https://github.com/buhe/study_emu
[INFO] tweaked toml for git repo https://github.com/buhe/study_emu written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/buhe/study_emu 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" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 873e48f259bd80b3a502bb1f2241b14d7be16a87abc546dc6a567120eabc02a2
[INFO] running `Command { std: "docker" "start" "-a" "873e48f259bd80b3a502bb1f2241b14d7be16a87abc546dc6a567120eabc02a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "873e48f259bd80b3a502bb1f2241b14d7be16a87abc546dc6a567120eabc02a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "873e48f259bd80b3a502bb1f2241b14d7be16a87abc546dc6a567120eabc02a2", kill_on_drop: false }`
[INFO] [stdout] 873e48f259bd80b3a502bb1f2241b14d7be16a87abc546dc6a567120eabc02a2
[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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75f28a8c329ff77aea17cf398bb41dcbab0bb9c6059e2daed6ebe7d49da8617c
[INFO] running `Command { std: "docker" "start" "-a" "75f28a8c329ff77aea17cf398bb41dcbab0bb9c6059e2daed6ebe7d49da8617c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling sdl2 v0.34.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling sdl2-sys v0.34.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking study_emu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/cpu.rs:1102:17
[INFO] [stdout]      |
[INFO] [stdout] 1102 |                 _ => todo!(),
[INFO] [stdout]      |                 ^ no value can reach this
[INFO] [stdout]      |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]     --> src/cpu.rs:1102:17
[INFO] [stdout]      |
[INFO] [stdout] 596  |                 0xa9 | 0xa5 | 0xb5 | 0xad | 0xbd | 0xb9 | 0xa1 | 0xb1 => {
[INFO] [stdout]      |                 ----------------------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 600  |                 0xAA => self.tax(),
[INFO] [stdout]      |                 ---- matches some of the same values
[INFO] [stdout] 601  |                 0xe8 => self.inx(),
[INFO] [stdout]      |                 ---- matches some of the same values
[INFO] [stdout] 602  |                 0x00 => return,
[INFO] [stdout]      |                 ---- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1102 |                 _ => todo!(),
[INFO] [stdout]      |                 ^ ...and 82 other patterns collectively make this unreachable
[INFO] [stdout]      = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/cpu.rs:991:25
[INFO] [stdout]     |
[INFO] [stdout] 991 |                     let data = self.mem_read(addr);
[INFO] [stdout]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `event_pump`
[INFO] [stdout]    --> src/main.rs:106:13
[INFO] [stdout]     |
[INFO] [stdout] 106 |     let mut event_pump = sdl_context.event_pump().unwrap();
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_event_pump`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `texture`
[INFO] [stdout]    --> src/main.rs:110:13
[INFO] [stdout]     |
[INFO] [stdout] 110 |     let mut texture = creator
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_texture`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |     let mut event_pump = sdl_context.event_pump().unwrap();
[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 does not need to be mutable
[INFO] [stdout]    --> src/main.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |     let mut texture = creator
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `color` is never used
[INFO] [stdout]   --> src/main.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn color(byte: u8) -> Color {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_screen_state` is never used
[INFO] [stdout]   --> src/main.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn read_screen_state(cpu: &CPU, frame: &mut [u8; 32 * 3 * 32]) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_user_input` is never used
[INFO] [stdout]   --> src/main.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn handle_user_input(cpu: &mut CPU, event_pump: &mut EventPump) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/cpu.rs:1102:17
[INFO] [stdout]      |
[INFO] [stdout] 1102 |                 _ => todo!(),
[INFO] [stdout]      |                 ^ no value can reach this
[INFO] [stdout]      |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]     --> src/cpu.rs:1102:17
[INFO] [stdout]      |
[INFO] [stdout] 596  |                 0xa9 | 0xa5 | 0xb5 | 0xad | 0xbd | 0xb9 | 0xa1 | 0xb1 => {
[INFO] [stdout]      |                 ----------------------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 600  |                 0xAA => self.tax(),
[INFO] [stdout]      |                 ---- matches some of the same values
[INFO] [stdout] 601  |                 0xe8 => self.inx(),
[INFO] [stdout]      |                 ---- matches some of the same values
[INFO] [stdout] 602  |                 0x00 => return,
[INFO] [stdout]      |                 ---- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1102 |                 _ => todo!(),
[INFO] [stdout]      |                 ^ ...and 82 other patterns collectively make this unreachable
[INFO] [stdout]      = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/cpu.rs:991:25
[INFO] [stdout]     |
[INFO] [stdout] 991 |                     let data = self.mem_read(addr);
[INFO] [stdout]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `event_pump`
[INFO] [stdout]    --> src/main.rs:106:13
[INFO] [stdout]     |
[INFO] [stdout] 106 |     let mut event_pump = sdl_context.event_pump().unwrap();
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_event_pump`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `texture`
[INFO] [stdout]    --> src/main.rs:110:13
[INFO] [stdout]     |
[INFO] [stdout] 110 |     let mut texture = creator
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_texture`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |     let mut event_pump = sdl_context.event_pump().unwrap();
[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 does not need to be mutable
[INFO] [stdout]    --> src/main.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |     let mut texture = creator
[INFO] [stdout]     |         ----^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `color` is never used
[INFO] [stdout]   --> src/main.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn color(byte: u8) -> Color {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_screen_state` is never used
[INFO] [stdout]   --> src/main.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn read_screen_state(cpu: &CPU, frame: &mut [u8; 32 * 3 * 32]) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_user_input` is never used
[INFO] [stdout]   --> src/main.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn handle_user_input(cpu: &mut CPU, event_pump: &mut EventPump) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.29s
[INFO] running `Command { std: "docker" "inspect" "75f28a8c329ff77aea17cf398bb41dcbab0bb9c6059e2daed6ebe7d49da8617c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75f28a8c329ff77aea17cf398bb41dcbab0bb9c6059e2daed6ebe7d49da8617c", kill_on_drop: false }`
[INFO] [stdout] 75f28a8c329ff77aea17cf398bb41dcbab0bb9c6059e2daed6ebe7d49da8617c
