[INFO] cloning repository https://github.com/devins2518/chippers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/devins2518/chippers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevins2518%2Fchippers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevins2518%2Fchippers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 32a4f8e5fa8ec59d39315267f16167dfc47497eb
[INFO] checking devins2518/chippers against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevins2518%2Fchippers" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/devins2518/chippers on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/devins2518/chippers
[INFO] finished tweaking git repo https://github.com/devins2518/chippers
[INFO] tweaked toml for git repo https://github.com/devins2518/chippers written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/devins2518/chippers already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1de8869912c997b2dc4e928c9c2b39c071cd552577fd9159d9f49e4aa8389fdc
[INFO] running `Command { std: "docker" "start" "-a" "1de8869912c997b2dc4e928c9c2b39c071cd552577fd9159d9f49e4aa8389fdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1de8869912c997b2dc4e928c9c2b39c071cd552577fd9159d9f49e4aa8389fdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1de8869912c997b2dc4e928c9c2b39c071cd552577fd9159d9f49e4aa8389fdc", kill_on_drop: false }`
[INFO] [stdout] 1de8869912c997b2dc4e928c9c2b39c071cd552577fd9159d9f49e4aa8389fdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3b931b17806fa3d3884c6a520ff965d616498f49c73a2dc50c7df3a673e3dd0
[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" "a3b931b17806fa3d3884c6a520ff965d616498f49c73a2dc50c7df3a673e3dd0", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling sdl2 v0.34.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling sdl2-sys v0.34.3
[INFO] [stderr]     Checking chippers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/cpu.rs:204:27
[INFO] [stdout]     |
[INFO] [stdout] 204 |     pub fn SHR(&mut self, addr: u16) {
[INFO] [stdout]     |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/cpu.rs:208:28
[INFO] [stdout]     |
[INFO] [stdout] 208 |     pub fn SUBN(&mut self, addr: u16) {
[INFO] [stdout]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/cpu.rs:212:27
[INFO] [stdout]     |
[INFO] [stdout] 212 |     pub fn SHL(&mut self, addr: u16) {
[INFO] [stdout]     |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/cpu.rs:216:27
[INFO] [stdout]     |
[INFO] [stdout] 216 |     pub fn RND(&mut self, addr: u16) {
[INFO] [stdout]     |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/cpu.rs:220:27
[INFO] [stdout]     |
[INFO] [stdout] 220 |     pub fn DRW(&mut self, addr: u16) {
[INFO] [stdout]     |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/cpu.rs:224:27
[INFO] [stdout]     |
[INFO] [stdout] 224 |     pub fn SKP(&mut self, addr: u16) {
[INFO] [stdout]     |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/cpu.rs:228:28
[INFO] [stdout]     |
[INFO] [stdout] 228 |     pub fn SKNP(&mut self, addr: u16) {
[INFO] [stdout]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/cpu.rs:204:27
[INFO] [stdout]     |
[INFO] [stdout] 204 |     pub fn SHR(&mut self, addr: u16) {
[INFO] [stdout]     |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/cpu.rs:208:28
[INFO] [stdout]     |
[INFO] [stdout] 208 |     pub fn SUBN(&mut self, addr: u16) {
[INFO] [stdout]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/cpu.rs:212:27
[INFO] [stdout]     |
[INFO] [stdout] 212 |     pub fn SHL(&mut self, addr: u16) {
[INFO] [stdout]     |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/cpu.rs:216:27
[INFO] [stdout]     |
[INFO] [stdout] 216 |     pub fn RND(&mut self, addr: u16) {
[INFO] [stdout]     |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/cpu.rs:220:27
[INFO] [stdout]     |
[INFO] [stdout] 220 |     pub fn DRW(&mut self, addr: u16) {
[INFO] [stdout]     |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/cpu.rs:224:27
[INFO] [stdout]     |
[INFO] [stdout] 224 |     pub fn SKP(&mut self, addr: u16) {
[INFO] [stdout]     |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]    --> src/cpu.rs:228:28
[INFO] [stdout]     |
[INFO] [stdout] 228 |     pub fn SKNP(&mut self, addr: u16) {
[INFO] [stdout]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `ReturnType`
[INFO] [stdout]  --> src/cpu.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum ReturnType {
[INFO] [stdout]   |      ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_memory`
[INFO] [stdout]    --> src/cpu.rs:122:12
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub fn write_memory(&mut self, addr: u16, value: u8) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `SHR`
[INFO] [stdout]    --> src/cpu.rs:204:12
[INFO] [stdout]     |
[INFO] [stdout] 204 |     pub fn SHR(&mut self, addr: u16) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `SUBN`
[INFO] [stdout]    --> src/cpu.rs:208:12
[INFO] [stdout]     |
[INFO] [stdout] 208 |     pub fn SUBN(&mut self, addr: u16) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `SHL`
[INFO] [stdout]    --> src/cpu.rs:212:12
[INFO] [stdout]     |
[INFO] [stdout] 212 |     pub fn SHL(&mut self, addr: u16) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `RND`
[INFO] [stdout]    --> src/cpu.rs:216:12
[INFO] [stdout]     |
[INFO] [stdout] 216 |     pub fn RND(&mut self, addr: u16) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `DRW`
[INFO] [stdout]    --> src/cpu.rs:220:12
[INFO] [stdout]     |
[INFO] [stdout] 220 |     pub fn DRW(&mut self, addr: u16) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `SKP`
[INFO] [stdout]    --> src/cpu.rs:224:12
[INFO] [stdout]     |
[INFO] [stdout] 224 |     pub fn SKP(&mut self, addr: u16) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `SKNP`
[INFO] [stdout]    --> src/cpu.rs:228:12
[INFO] [stdout]     |
[INFO] [stdout] 228 |     pub fn SKNP(&mut self, addr: u16) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `context`
[INFO] [stdout]  --> src/ppu.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     context: sdl2::Sdl,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `video`
[INFO] [stdout]  --> src/ppu.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     video: sdl2::VideoSubsystem,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `ReturnType`
[INFO] [stdout]  --> src/cpu.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum ReturnType {
[INFO] [stdout]   |      ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `SHR`
[INFO] [stdout]    --> src/cpu.rs:204:12
[INFO] [stdout]     |
[INFO] [stdout] 204 |     pub fn SHR(&mut self, addr: u16) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `SUBN`
[INFO] [stdout]    --> src/cpu.rs:208:12
[INFO] [stdout]     |
[INFO] [stdout] 208 |     pub fn SUBN(&mut self, addr: u16) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `SHL`
[INFO] [stdout]    --> src/cpu.rs:212:12
[INFO] [stdout]     |
[INFO] [stdout] 212 |     pub fn SHL(&mut self, addr: u16) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `RND`
[INFO] [stdout]    --> src/cpu.rs:216:12
[INFO] [stdout]     |
[INFO] [stdout] 216 |     pub fn RND(&mut self, addr: u16) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `DRW`
[INFO] [stdout]    --> src/cpu.rs:220:12
[INFO] [stdout]     |
[INFO] [stdout] 220 |     pub fn DRW(&mut self, addr: u16) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `SKP`
[INFO] [stdout]    --> src/cpu.rs:224:12
[INFO] [stdout]     |
[INFO] [stdout] 224 |     pub fn SKP(&mut self, addr: u16) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `SKNP`
[INFO] [stdout]    --> src/cpu.rs:228:12
[INFO] [stdout]     |
[INFO] [stdout] 228 |     pub fn SKNP(&mut self, addr: u16) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `context`
[INFO] [stdout]  --> src/ppu.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     context: sdl2::Sdl,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `video`
[INFO] [stdout]  --> src/ppu.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     video: sdl2::VideoSubsystem,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.45s
[INFO] running `Command { std: "docker" "inspect" "a3b931b17806fa3d3884c6a520ff965d616498f49c73a2dc50c7df3a673e3dd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3b931b17806fa3d3884c6a520ff965d616498f49c73a2dc50c7df3a673e3dd0", kill_on_drop: false }`
[INFO] [stdout] a3b931b17806fa3d3884c6a520ff965d616498f49c73a2dc50c7df3a673e3dd0