[INFO] updating cached repository https://github.com/d2ci8xc5/chip8vm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ab98e3f549bdef2e6383a2b9d6e77c71642765c1
[INFO] documenting d2ci8xc5/chip8vm against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd2ci8xc5%2Fchip8vm" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/d2ci8xc5/chip8vm on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/d2ci8xc5/chip8vm
[INFO] finished tweaking git repo https://github.com/d2ci8xc5/chip8vm
[INFO] tweaked toml for git repo https://github.com/d2ci8xc5/chip8vm written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/d2ci8xc5/chip8vm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 437a83b38896bfb64b169cadf0cf31f82017a4dfa987555198b5891a9bc2d1d7
[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" "437a83b38896bfb64b169cadf0cf31f82017a4dfa987555198b5891a9bc2d1d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "437a83b38896bfb64b169cadf0cf31f82017a4dfa987555198b5891a9bc2d1d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "437a83b38896bfb64b169cadf0cf31f82017a4dfa987555198b5891a9bc2d1d7", kill_on_drop: false }`
[INFO] [stdout] 437a83b38896bfb64b169cadf0cf31f82017a4dfa987555198b5891a9bc2d1d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62a19fe03bf010c8286211bfb7ada146c53131abc569b5b333c8a3a5a1b59ba5
[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" "62a19fe03bf010c8286211bfb7ada146c53131abc569b5b333c8a3a5a1b59ba5", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling sdl2 v0.32.2 (https://github.com/AngryLawyer/rust-sdl2#72d199e5)
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling sdl2-sys v0.32.6 (https://github.com/AngryLawyer/rust-sdl2#72d199e5)
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_pcg v0.1.2
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]  Documenting chip8vm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `color` should have an upper camel case name
[INFO] [stdout]  --> src/color.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum color {
[INFO] [stdout]   |          ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Color`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `red` should have an upper camel case name
[INFO] [stdout]  --> src/color.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     red,
[INFO] [stdout]   |     ^^^ help: convert the identifier to upper camel case: `Red`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `green` should have an upper camel case name
[INFO] [stdout]  --> src/color.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     green,
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to upper camel case: `Green`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `blue` should have an upper camel case name
[INFO] [stdout]  --> src/color.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     blue,
[INFO] [stdout]   |     ^^^^ help: convert the identifier to upper camel case: `Blue`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `black` should have an upper camel case name
[INFO] [stdout]  --> src/color.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     black,
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to upper camel case: `Black`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `cpu` should have an upper camel case name
[INFO] [stdout]  --> src/cpu.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct cpu {
[INFO] [stdout]   |            ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Cpu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/cpu.rs:282:24
[INFO] [stdout]     |
[INFO] [stdout] 282 |         self.v[0x0f] = (self.v[x] & (1 << 7) >> 7);
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/cpu.rs:311:21
[INFO] [stdout]     |
[INFO] [stdout] 311 |         self.v[x] = (kk & random_byte);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/cpu.rs:372:32
[INFO] [stdout]     |
[INFO] [stdout] 372 |         self.keypad_register = (x as u8);
[INFO] [stdout]     |                                ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `display` should have an upper camel case name
[INFO] [stdout]  --> src/display.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct display {
[INFO] [stdout]   |            ^^^^^^^ help: convert the identifier to upper camel case: `Display`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `keypad` should have an upper camel case name
[INFO] [stdout]  --> src/keypad.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct keypad {
[INFO] [stdout]   |            ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Keypad`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.64s
[INFO] running `Command { std: "docker" "inspect" "62a19fe03bf010c8286211bfb7ada146c53131abc569b5b333c8a3a5a1b59ba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62a19fe03bf010c8286211bfb7ada146c53131abc569b5b333c8a3a5a1b59ba5", kill_on_drop: false }`
[INFO] [stdout] 62a19fe03bf010c8286211bfb7ada146c53131abc569b5b333c8a3a5a1b59ba5