Dec 17 12:58:45.178 INFO checking tylanphear/gbrust against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 12:58:45.178 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/tylanphear/gbrust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 12:58:45.998 INFO [stdout] 71ec6c4282b06adc1ebb55a9b0ea43f648bf96091a9f070251eaa4be414f4dac
Dec 17 12:58:46.000 INFO running `"docker" "start" "-a" "71ec6c4282b06adc1ebb55a9b0ea43f648bf96091a9f070251eaa4be414f4dac"`
Dec 17 12:58:48.304 INFO [stderr]     Checking gbrust v0.1.0 (/opt/crater/workdir)
Dec 17 12:58:48.656 INFO [stderr] warning: struct is never constructed: `CPU`
Dec 17 12:58:48.657 INFO [stderr]  --> src/cpu.rs:1:1
Dec 17 12:58:48.657 INFO [stderr]   |
Dec 17 12:58:48.657 INFO [stderr] 1 | struct CPU {
Dec 17 12:58:48.657 INFO [stderr]   | ^^^^^^^^^^
Dec 17 12:58:48.657 INFO [stderr]   |
Dec 17 12:58:48.657 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 12:58:48.657 INFO [stderr] 
Dec 17 12:58:48.657 INFO [stderr] warning: method is never used: `new`
Dec 17 12:58:48.657 INFO [stderr]   --> src/cpu.rs:12:5
Dec 17 12:58:48.657 INFO [stderr]    |
Dec 17 12:58:48.657 INFO [stderr] 12 |     pub fn new() -> Self {
Dec 17 12:58:48.657 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Dec 17 12:58:48.657 INFO [stderr] 
Dec 17 12:58:48.657 INFO [stderr] warning: method is never used: `tick`
Dec 17 12:58:48.657 INFO [stderr]   --> src/cpu.rs:30:5
Dec 17 12:58:48.657 INFO [stderr]    |
Dec 17 12:58:48.657 INFO [stderr] 30 |     pub fn tick(&mut self, time: u8) {
Dec 17 12:58:48.657 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:58:48.657 INFO [stderr] 
Dec 17 12:58:48.657 INFO [stderr] warning: method is never used: `update_clock`
Dec 17 12:58:48.657 INFO [stderr]   --> src/cpu.rs:37:5
Dec 17 12:58:48.657 INFO [stderr]    |
Dec 17 12:58:48.657 INFO [stderr] 37 |     pub fn update_clock(&mut self) {
Dec 17 12:58:48.657 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:58:48.657 INFO [stderr] 
Dec 17 12:58:48.657 INFO [stderr] warning: method is never used: `and`
Dec 17 12:58:48.657 INFO [stderr]   --> src/cpu.rs:46:5
Dec 17 12:58:48.657 INFO [stderr]    |
Dec 17 12:58:48.657 INFO [stderr] 46 |     pub fn and(&mut self, register: R8) {
Dec 17 12:58:48.657 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:58:48.657 INFO [stderr] 
Dec 17 12:58:48.657 INFO [stderr] warning: method is never used: `or`
Dec 17 12:58:48.657 INFO [stderr]   --> src/cpu.rs:53:5
Dec 17 12:58:48.657 INFO [stderr]    |
Dec 17 12:58:48.657 INFO [stderr] 53 |     pub fn or(&mut self, register: R8) {
Dec 17 12:58:48.657 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:58:48.657 INFO [stderr] 
Dec 17 12:58:48.657 INFO [stderr] warning: method is never used: `fetch8`
Dec 17 12:58:48.657 INFO [stderr]   --> src/cpu.rs:60:5
Dec 17 12:58:48.657 INFO [stderr]    |
Dec 17 12:58:48.657 INFO [stderr] 60 |     pub fn fetch8(&self, register: R8) -> u8 {
Dec 17 12:58:48.657 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:58:48.657 INFO [stderr] 
Dec 17 12:58:48.657 INFO [stderr] warning: method is never used: `fetch16`
Dec 17 12:58:48.657 INFO [stderr]   --> src/cpu.rs:75:5
Dec 17 12:58:48.657 INFO [stderr]    |
Dec 17 12:58:48.657 INFO [stderr] 75 |     pub fn fetch16(&self, register: R16) -> u16 {
Dec 17 12:58:48.657 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:58:48.657 INFO [stderr] 
Dec 17 12:58:48.657 INFO [stderr] warning: method is never used: `set8`
Dec 17 12:58:48.657 INFO [stderr]   --> src/cpu.rs:87:5
Dec 17 12:58:48.657 INFO [stderr]    |
Dec 17 12:58:48.657 INFO [stderr] 87 |     pub fn set8(&mut self, register: R8, value: u8) {
Dec 17 12:58:48.657 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:58:48.657 INFO [stderr] 
Dec 17 12:58:48.657 INFO [stderr] warning: method is never used: `set16`
Dec 17 12:58:48.657 INFO [stderr]    --> src/cpu.rs:105:5
Dec 17 12:58:48.657 INFO [stderr]     |
Dec 17 12:58:48.657 INFO [stderr] 105 |     pub fn set16(&mut self, register: R16, value: u16) {
Dec 17 12:58:48.657 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:58:48.657 INFO [stderr] 
Dec 17 12:58:48.657 INFO [stderr] warning: method is never used: `load`
Dec 17 12:58:48.657 INFO [stderr]    --> src/cpu.rs:129:5
Dec 17 12:58:48.657 INFO [stderr]     |
Dec 17 12:58:48.657 INFO [stderr] 129 |     pub fn load(&mut self, to: R8, from: R8) {
Dec 17 12:58:48.657 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:58:48.657 INFO [stderr] 
Dec 17 12:58:48.657 INFO [stderr] warning: method is never used: `add8`
Dec 17 12:58:48.657 INFO [stderr]    --> src/cpu.rs:138:5
Dec 17 12:58:48.657 INFO [stderr]     |
Dec 17 12:58:48.657 INFO [stderr] 138 |     pub fn add8(&mut self, fst: R8, snd: R8) {
Dec 17 12:58:48.657 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:58:48.657 INFO [stderr] 
Dec 17 12:58:48.657 INFO [stderr] warning: struct is never constructed: `Clock`
Dec 17 12:58:48.657 INFO [stderr]    --> src/cpu.rs:153:1
Dec 17 12:58:48.657 INFO [stderr]     |
Dec 17 12:58:48.657 INFO [stderr] 153 | struct Clock {
Dec 17 12:58:48.657 INFO [stderr]     | ^^^^^^^^^^^^
Dec 17 12:58:48.657 INFO [stderr] 
Dec 17 12:58:48.657 INFO [stderr] warning: struct is never constructed: `Flags`
Dec 17 12:58:48.657 INFO [stderr]    --> src/cpu.rs:158:1
Dec 17 12:58:48.657 INFO [stderr]     |
Dec 17 12:58:48.657 INFO [stderr] 158 | struct Flags {
Dec 17 12:58:48.657 INFO [stderr]     | ^^^^^^^^^^^^
Dec 17 12:58:48.657 INFO [stderr] 
Dec 17 12:58:48.657 INFO [stderr] warning: function is never used: `u8s_to_u16`
Dec 17 12:58:48.657 INFO [stderr]    --> src/cpu.rs:164:1
Dec 17 12:58:48.657 INFO [stderr]     |
Dec 17 12:58:48.658 INFO [stderr] 164 | pub fn u8s_to_u16(high: u8, low: u8) -> u16 {
Dec 17 12:58:48.658 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:58:48.658 INFO [stderr] 
Dec 17 12:58:48.658 INFO [stderr] warning: function is never used: `u16_to_u8s`
Dec 17 12:58:48.658 INFO [stderr]    --> src/cpu.rs:169:1
Dec 17 12:58:48.658 INFO [stderr]     |
Dec 17 12:58:48.660 INFO [stderr] 169 | pub fn u16_to_u8s(wbyte: u16) -> (u8, u8) {
Dec 17 12:58:48.661 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:58:48.661 INFO [stderr] 
Dec 17 12:58:48.661 INFO [stderr] warning: variant is never constructed: `A`
Dec 17 12:58:48.661 INFO [stderr]    --> src/cpu.rs:175:5
Dec 17 12:58:48.661 INFO [stderr]     |
Dec 17 12:58:48.661 INFO [stderr] 175 |     A,
Dec 17 12:58:48.661 INFO [stderr]     |     ^
Dec 17 12:58:48.661 INFO [stderr] 
Dec 17 12:58:48.661 INFO [stderr] warning: variant is never constructed: `B`
Dec 17 12:58:48.661 INFO [stderr]    --> src/cpu.rs:176:5
Dec 17 12:58:48.661 INFO [stderr]     |
Dec 17 12:58:48.661 INFO [stderr] 176 |     B,
Dec 17 12:58:48.661 INFO [stderr]     |     ^
Dec 17 12:58:48.661 INFO [stderr] 
Dec 17 12:58:48.661 INFO [stderr] warning: variant is never constructed: `C`
Dec 17 12:58:48.661 INFO [stderr]    --> src/cpu.rs:177:5
Dec 17 12:58:48.661 INFO [stderr]     |
Dec 17 12:58:48.661 INFO [stderr] 177 |     C,
Dec 17 12:58:48.661 INFO [stderr]     |     ^
Dec 17 12:58:48.661 INFO [stderr] 
Dec 17 12:58:48.661 INFO [stderr] warning: variant is never constructed: `D`
Dec 17 12:58:48.661 INFO [stderr]    --> src/cpu.rs:178:5
Dec 17 12:58:48.661 INFO [stderr]     |
Dec 17 12:58:48.661 INFO [stderr] 178 |     D,
Dec 17 12:58:48.661 INFO [stderr]     |     ^
Dec 17 12:58:48.661 INFO [stderr] 
Dec 17 12:58:48.661 INFO [stderr] warning: variant is never constructed: `E`
Dec 17 12:58:48.661 INFO [stderr]    --> src/cpu.rs:179:5
Dec 17 12:58:48.661 INFO [stderr]     |
Dec 17 12:58:48.661 INFO [stderr] 179 |     E,
Dec 17 12:58:48.661 INFO [stderr]     |     ^
Dec 17 12:58:48.661 INFO [stderr] 
Dec 17 12:58:48.661 INFO [stderr] warning: variant is never constructed: `H`
Dec 17 12:58:48.661 INFO [stderr]    --> src/cpu.rs:180:5
Dec 17 12:58:48.661 INFO [stderr]     |
Dec 17 12:58:48.661 INFO [stderr] 180 |     H,
Dec 17 12:58:48.661 INFO [stderr]     |     ^
Dec 17 12:58:48.661 INFO [stderr] 
Dec 17 12:58:48.661 INFO [stderr] warning: variant is never constructed: `L`
Dec 17 12:58:48.661 INFO [stderr]    --> src/cpu.rs:181:5
Dec 17 12:58:48.661 INFO [stderr]     |
Dec 17 12:58:48.661 INFO [stderr] 181 |     L,
Dec 17 12:58:48.661 INFO [stderr]     |     ^
Dec 17 12:58:48.661 INFO [stderr] 
Dec 17 12:58:48.661 INFO [stderr] warning: variant is never constructed: `CONST`
Dec 17 12:58:48.661 INFO [stderr]    --> src/cpu.rs:182:5
Dec 17 12:58:48.661 INFO [stderr]     |
Dec 17 12:58:48.661 INFO [stderr] 182 |     CONST(u8)
Dec 17 12:58:48.661 INFO [stderr]     |     ^^^^^^^^^
Dec 17 12:58:48.661 INFO [stderr] 
Dec 17 12:58:48.661 INFO [stderr] warning: method is never used: `registers`
Dec 17 12:58:48.661 INFO [stderr]    --> src/cpu.rs:187:5
Dec 17 12:58:48.661 INFO [stderr]     |
Dec 17 12:58:48.661 INFO [stderr] 187 |     pub fn registers() -> Iter<'static, R8> {
Dec 17 12:58:48.661 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:58:48.661 INFO [stderr] 
Dec 17 12:58:48.661 INFO [stderr] warning: static item is never used: `REGISTERS`
Dec 17 12:58:48.661 INFO [stderr]    --> src/cpu.rs:188:9
Dec 17 12:58:48.661 INFO [stderr]     |
Dec 17 12:58:48.661 INFO [stderr] 188 |         static REGISTERS: [R8; 7] = [R8::A, R8::B, R8::C, R8::D, R8::E, R8::H, R8::L];
Dec 17 12:58:48.661 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:58:48.661 INFO [stderr] 
Dec 17 12:58:48.661 INFO [stderr] warning: variant is never constructed: `PC`
Dec 17 12:58:48.661 INFO [stderr]    --> src/cpu.rs:195:5
Dec 17 12:58:48.661 INFO [stderr]     |
Dec 17 12:58:48.661 INFO [stderr] 195 |     PC,
Dec 17 12:58:48.661 INFO [stderr]     |     ^^
Dec 17 12:58:48.661 INFO [stderr] 
Dec 17 12:58:48.661 INFO [stderr] warning: variant is never constructed: `SP`
Dec 17 12:58:48.661 INFO [stderr]    --> src/cpu.rs:196:5
Dec 17 12:58:48.661 INFO [stderr]     |
Dec 17 12:58:48.661 INFO [stderr] 196 |     SP,
Dec 17 12:58:48.661 INFO [stderr]     |     ^^
Dec 17 12:58:48.661 INFO [stderr] 
Dec 17 12:58:48.661 INFO [stderr] warning: variant is never constructed: `BC`
Dec 17 12:58:48.661 INFO [stderr]    --> src/cpu.rs:197:5
Dec 17 12:58:48.661 INFO [stderr]     |
Dec 17 12:58:48.661 INFO [stderr] 197 |     BC,
Dec 17 12:58:48.661 INFO [stderr]     |     ^^
Dec 17 12:58:48.661 INFO [stderr] 
Dec 17 12:58:48.661 INFO [stderr] warning: variant is never constructed: `DE`
Dec 17 12:58:48.661 INFO [stderr]    --> src/cpu.rs:198:5
Dec 17 12:58:48.661 INFO [stderr]     |
Dec 17 12:58:48.661 INFO [stderr] 198 |     DE,
Dec 17 12:58:48.661 INFO [stderr]     |     ^^
Dec 17 12:58:48.661 INFO [stderr] 
Dec 17 12:58:48.661 INFO [stderr] warning: variant is never constructed: `HL`
Dec 17 12:58:48.661 INFO [stderr]    --> src/cpu.rs:199:5
Dec 17 12:58:48.661 INFO [stderr]     |
Dec 17 12:58:48.661 INFO [stderr] 199 |     HL,
Dec 17 12:58:48.661 INFO [stderr]     |     ^^
Dec 17 12:58:48.662 INFO [stderr] 
Dec 17 12:58:48.662 INFO [stderr] warning: variant is never constructed: `CONST`
Dec 17 12:58:48.662 INFO [stderr]    --> src/cpu.rs:200:5
Dec 17 12:58:48.662 INFO [stderr]     |
Dec 17 12:58:48.662 INFO [stderr] 200 |     CONST(u16)
Dec 17 12:58:48.662 INFO [stderr]     |     ^^^^^^^^^^
Dec 17 12:58:48.662 INFO [stderr] 
Dec 17 12:58:48.662 INFO [stderr] warning: method is never used: `registers`
Dec 17 12:58:48.662 INFO [stderr]    --> src/cpu.rs:204:5
Dec 17 12:58:48.662 INFO [stderr]     |
Dec 17 12:58:48.662 INFO [stderr] 204 |     pub fn registers() -> Iter<'static, R16> {
Dec 17 12:58:48.662 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:58:48.662 INFO [stderr] 
Dec 17 12:58:48.662 INFO [stderr] warning: static item is never used: `REGISTERS`
Dec 17 12:58:48.662 INFO [stderr]    --> src/cpu.rs:205:9
Dec 17 12:58:48.662 INFO [stderr]     |
Dec 17 12:58:48.662 INFO [stderr] 205 |         static REGISTERS: [R16; 5] = [R16::PC, R16::SP, R16::BC, R16::DE, R16::HL];
Dec 17 12:58:48.662 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:58:48.662 INFO [stderr] 
Dec 17 12:58:48.662 INFO [stderr] warning: function is never used: `detect_half_carry`
Dec 17 12:58:48.662 INFO [stderr]    --> src/cpu.rs:210:1
Dec 17 12:58:48.662 INFO [stderr]     |
Dec 17 12:58:48.662 INFO [stderr] 210 | fn detect_half_carry(fst: u8, snd: u8) -> bool {
Dec 17 12:58:48.662 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:58:48.662 INFO [stderr] 
Dec 17 12:58:48.680 INFO [stderr] warning: unused import: `std::u16::MAX as MAX16`
Dec 17 12:58:48.680 INFO [stderr]    --> src/cpu.rs:379:13
Dec 17 12:58:48.680 INFO [stderr]     |
Dec 17 12:58:48.680 INFO [stderr] 379 |         use std::u16::MAX as MAX16;
Dec 17 12:58:48.680 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:58:48.680 INFO [stderr]     |
Dec 17 12:58:48.680 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 17 12:58:48.680 INFO [stderr] 
Dec 17 12:58:48.908 INFO [stderr] warning: method is never used: `and`
Dec 17 12:58:48.912 INFO [stderr]   --> src/cpu.rs:46:5
Dec 17 12:58:48.912 INFO [stderr]    |
Dec 17 12:58:48.912 INFO [stderr] 46 |     pub fn and(&mut self, register: R8) {
Dec 17 12:58:48.912 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:58:48.912 INFO [stderr]    |
Dec 17 12:58:48.912 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 12:58:48.912 INFO [stderr] 
Dec 17 12:58:48.912 INFO [stderr] warning: method is never used: `or`
Dec 17 12:58:48.912 INFO [stderr]   --> src/cpu.rs:53:5
Dec 17 12:58:48.912 INFO [stderr]    |
Dec 17 12:58:48.912 INFO [stderr] 53 |     pub fn or(&mut self, register: R8) {
Dec 17 12:58:48.912 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:58:48.912 INFO [stderr] 
Dec 17 12:58:48.912 INFO [stderr] warning: variant is never constructed: `CONST`
Dec 17 12:58:48.912 INFO [stderr]    --> src/cpu.rs:200:5
Dec 17 12:58:48.912 INFO [stderr]     |
Dec 17 12:58:48.912 INFO [stderr] 200 |     CONST(u16)
Dec 17 12:58:48.912 INFO [stderr]     |     ^^^^^^^^^^
Dec 17 12:58:48.912 INFO [stderr] 
Dec 17 12:58:48.959 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
Dec 17 12:58:50.444 INFO running `"docker" "inspect" "71ec6c4282b06adc1ebb55a9b0ea43f648bf96091a9f070251eaa4be414f4dac"`
Dec 17 12:58:50.792 INFO running `"docker" "rm" "-f" "71ec6c4282b06adc1ebb55a9b0ea43f648bf96091a9f070251eaa4be414f4dac"`
Dec 17 12:58:51.176 INFO [stdout] 71ec6c4282b06adc1ebb55a9b0ea43f648bf96091a9f070251eaa4be414f4dac