[INFO] cloning repository https://github.com/williewillus/gbemu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/williewillus/gbemu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwilliewillus%2Fgbemu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwilliewillus%2Fgbemu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 422a566fb9adf57dca79166e5135056556e27be4
[INFO] checking williewillus/gbemu against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwilliewillus%2Fgbemu" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/williewillus/gbemu 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/williewillus/gbemu
[INFO] finished tweaking git repo https://github.com/williewillus/gbemu
[INFO] tweaked toml for git repo https://github.com/williewillus/gbemu written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/williewillus/gbemu 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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stdout] 269a8313f3604e8338a8d4528d5f866cdc27a8856caf85300ba4858b9f7fdfcf
[INFO] running `Command { std: "docker" "start" "-a" "269a8313f3604e8338a8d4528d5f866cdc27a8856caf85300ba4858b9f7fdfcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "269a8313f3604e8338a8d4528d5f866cdc27a8856caf85300ba4858b9f7fdfcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "269a8313f3604e8338a8d4528d5f866cdc27a8856caf85300ba4858b9f7fdfcf", kill_on_drop: false }`
[INFO] [stdout] 269a8313f3604e8338a8d4528d5f866cdc27a8856caf85300ba4858b9f7fdfcf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] ebc03b16ae854f525ae567b414b1969f48b935a0abbe239e3f4f3bd366c9b9ed
[INFO] running `Command { std: "docker" "start" "-a" "ebc03b16ae854f525ae567b414b1969f48b935a0abbe239e3f4f3bd366c9b9ed", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking gbemu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/cpu/mod.rs:69:24
[INFO] [stdout]    |
[INFO] [stdout] 69 |             f(todo!(), self);
[INFO] [stdout]    |               -------  ^^^^ unreachable expression
[INFO] [stdout]    |               |
[INFO] [stdout]    |               any code following this expression is unreachable
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/cpu/mod.rs:52:24
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn peek(&self, addr: u16) -> u8 {
[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/mod.rs:60:28
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn poke(&mut self, addr: u16, v: u8) {
[INFO] [stdout]    |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/cpu/mod.rs:60:39
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn poke(&mut self, addr: u16, v: u8) {
[INFO] [stdout]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MEM_SZ`
[INFO] [stdout]  --> src/cpu/mod.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | const MEM_SZ: usize = u16::MAX as usize;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `State`
[INFO] [stdout]  --> src/cpu/mod.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct State {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/cpu/mod.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek`
[INFO] [stdout]   --> src/cpu/mod.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn peek(&self, addr: u16) -> u8 {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `poke`
[INFO] [stdout]   --> src/cpu/mod.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn poke(&mut self, addr: u16, v: u8) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `tick`
[INFO] [stdout]   --> src/cpu/mod.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn tick(&mut self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Insn`
[INFO] [stdout]  --> src/isa/mod.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Insn {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `NOP`
[INFO] [stdout]   --> src/isa/mod.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / pub static NOP: Insn = Insn {
[INFO] [stdout] 15 | |     stages: &[
[INFO] [stdout] 16 | |         |_, state| {
[INFO] [stdout] 17 | |             state.reg_pc += 1;
[INFO] [stdout] ...  |
[INFO] [stdout] 20 | |     sealed: (),
[INFO] [stdout] 21 | | };
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `CB_DUMMY`
[INFO] [stdout]   --> src/isa/mod.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | / pub static CB_DUMMY: Insn = Insn {
[INFO] [stdout] 26 | |     stages: &[
[INFO] [stdout] 27 | |         |_, state| {
[INFO] [stdout] 28 | |             state.cb_prefix = true;
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |     sealed: (),
[INFO] [stdout] 32 | | };
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/cpu/mod.rs:69:24
[INFO] [stdout]    |
[INFO] [stdout] 69 |             f(todo!(), self);
[INFO] [stdout]    |               -------  ^^^^ unreachable expression
[INFO] [stdout]    |               |
[INFO] [stdout]    |               any code following this expression is unreachable
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/cpu/mod.rs:52:24
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn peek(&self, addr: u16) -> u8 {
[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/mod.rs:60:28
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn poke(&mut self, addr: u16, v: u8) {
[INFO] [stdout]    |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/cpu/mod.rs:60:39
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn poke(&mut self, addr: u16, v: u8) {
[INFO] [stdout]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MEM_SZ`
[INFO] [stdout]  --> src/cpu/mod.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | const MEM_SZ: usize = u16::MAX as usize;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `State`
[INFO] [stdout]  --> src/cpu/mod.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct State {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/cpu/mod.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek`
[INFO] [stdout]   --> src/cpu/mod.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn peek(&self, addr: u16) -> u8 {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `poke`
[INFO] [stdout]   --> src/cpu/mod.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn poke(&mut self, addr: u16, v: u8) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `tick`
[INFO] [stdout]   --> src/cpu/mod.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn tick(&mut self) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Insn`
[INFO] [stdout]  --> src/isa/mod.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Insn {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `NOP`
[INFO] [stdout]   --> src/isa/mod.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | / pub static NOP: Insn = Insn {
[INFO] [stdout] 15 | |     stages: &[
[INFO] [stdout] 16 | |         |_, state| {
[INFO] [stdout] 17 | |             state.reg_pc += 1;
[INFO] [stdout] ...  |
[INFO] [stdout] 20 | |     sealed: (),
[INFO] [stdout] 21 | | };
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `CB_DUMMY`
[INFO] [stdout]   --> src/isa/mod.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | / pub static CB_DUMMY: Insn = Insn {
[INFO] [stdout] 26 | |     stages: &[
[INFO] [stdout] 27 | |         |_, state| {
[INFO] [stdout] 28 | |             state.cb_prefix = true;
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |     sealed: (),
[INFO] [stdout] 32 | | };
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.32s
[INFO] running `Command { std: "docker" "inspect" "ebc03b16ae854f525ae567b414b1969f48b935a0abbe239e3f4f3bd366c9b9ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebc03b16ae854f525ae567b414b1969f48b935a0abbe239e3f4f3bd366c9b9ed", kill_on_drop: false }`
[INFO] [stdout] ebc03b16ae854f525ae567b414b1969f48b935a0abbe239e3f4f3bd366c9b9ed