[INFO] updating cached repository gdunton/rust-gb
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/gdunton/rust-gb
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/gdunton/rust-gb" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/gdunton/rust-gb"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/gdunton/rust-gb'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gdunton/rust-gb" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/gdunton/rust-gb"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/gdunton/rust-gb'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7d77469e1912473325cb60061d96e5c5360d6bd6
[INFO] sha for GitHub repo gdunton/rust-gb: 7d77469e1912473325cb60061d96e5c5360d6bd6
[INFO] validating manifest of gdunton/rust-gb on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of gdunton/rust-gb on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing gdunton/rust-gb
[INFO] finished frobbing gdunton/rust-gb
[INFO] frobbed toml for gdunton/rust-gb written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/gdunton/rust-gb/Cargo.toml
[INFO] started frobbing gdunton/rust-gb
[INFO] finished frobbing gdunton/rust-gb
[INFO] frobbed toml for gdunton/rust-gb written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/gdunton/rust-gb/Cargo.toml
[INFO] crate gdunton/rust-gb already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking gdunton/rust-gb against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-1/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/gdunton/rust-gb:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 33463b46719f736414b315ca7cb2d47db560e6dec5cd33b5d1039b3d3ba217be
[INFO] running `"docker" "start" "-a" "33463b46719f736414b315ca7cb2d47db560e6dec5cd33b5d1039b3d3ba217be"`
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]     Checking rusttype v0.7.5
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking piston2d-graphics v0.28.0
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.5
[INFO] [stderr]     Checking winit v0.18.1
[INFO] [stderr]     Checking glutin v0.19.0
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]    Compiling rust-catch v0.2.4 (https://github.com/gdunton/rust-catch?rev=HEAD#02faec0d)
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.20.1
[INFO] [stderr]     Checking pistoncore-input v0.23.0
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.57.0
[INFO] [stderr]     Checking pistoncore-window v0.34.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.39.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.51.1
[INFO] [stderr]     Checking piston v0.39.0
[INFO] [stderr]     Checking rust-gb v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `crate::gameboy::opcodes`
[INFO] [stderr]  --> src/debug/instrumentation.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::gameboy::opcodes;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `RegisterLabel16` is imported redundantly
[INFO] [stderr]   --> src/gameboy/mod.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 14 | use self::register::{RegisterLabel16, RegisterLabel8};
[INFO] [stderr]    |                      --------------- the item `RegisterLabel16` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 62 |         use self::register::RegisterLabel16;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `RegisterLabel16` is imported redundantly
[INFO] [stderr]   --> src/gameboy/mod.rs:81:13
[INFO] [stderr]    |
[INFO] [stderr] 14 | use self::register::{RegisterLabel16, RegisterLabel8};
[INFO] [stderr]    |                      --------------- the item `RegisterLabel16` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 81 |         use self::register::RegisterLabel16;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::gameboy::opcodes`
[INFO] [stderr]  --> src/debug/instrumentation.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::gameboy::opcodes;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `RegisterLabel16` is imported redundantly
[INFO] [stderr]   --> src/gameboy/mod.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 14 | use self::register::{RegisterLabel16, RegisterLabel8};
[INFO] [stderr]    |                      --------------- the item `RegisterLabel16` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 62 |         use self::register::RegisterLabel16;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `RegisterLabel16` is imported redundantly
[INFO] [stderr]   --> src/gameboy/mod.rs:81:13
[INFO] [stderr]    |
[INFO] [stderr] 14 | use self::register::{RegisterLabel16, RegisterLabel8};
[INFO] [stderr]    |                      --------------- the item `RegisterLabel16` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 81 |         use self::register::RegisterLabel16;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `OpCodeWidget`
[INFO] [stderr]  --> src/debug_widgets.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct OpCodeWidget<'a> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/debug_widgets.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new(gb: &'a Gameboy) -> OpCodeWidget {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_register_16`
[INFO] [stderr]   --> src/gameboy/mod.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     pub fn set_register_16(&mut self, register: RegisterLabel16, value: u16) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_register_8`
[INFO] [stderr]    --> src/gameboy/mod.rs:101:5
[INFO] [stderr]     |
[INFO] [stderr] 101 |     pub fn set_register_8(&mut self, register: RegisterLabel8, value: u8) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_flag`
[INFO] [stderr]    --> src/gameboy/mod.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |     pub fn set_flag(&mut self, flag: Flags, set: bool) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_memory_at`
[INFO] [stderr]    --> src/gameboy/mod.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     pub fn set_memory_at(&mut self, address: u16, value: u8) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_memory_at`
[INFO] [stderr]    --> src/gameboy/mod.rs:117:5
[INFO] [stderr]     |
[INFO] [stderr] 117 |     pub fn get_memory_at(&self, address: u16) -> u8 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `OpCodeWidget`
[INFO] [stderr]  --> src/debug_widgets.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct OpCodeWidget<'a> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/debug_widgets.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new(gb: &'a Gameboy) -> OpCodeWidget {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_memory_at`
[INFO] [stderr]    --> src/gameboy/mod.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     pub fn set_memory_at(&mut self, address: u16, value: u8) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_memory_at`
[INFO] [stderr]    --> src/gameboy/mod.rs:117:5
[INFO] [stderr]     |
[INFO] [stderr] 117 |     pub fn get_memory_at(&self, address: u16) -> u8 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: module `Call_instruction_tests` should have a snake case name
[INFO] [stderr]    --> src/gameboy/tests/mod.rs:240:14
[INFO] [stderr]     |
[INFO] [stderr] 240 |         test("Call instruction tests") {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `call_instruction_tests`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: module `Push_instruction_tests` should have a snake case name
[INFO] [stderr]    --> src/gameboy/tests/mod.rs:277:14
[INFO] [stderr]     |
[INFO] [stderr] 277 |         test("Push instruction tests") {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `push_instruction_tests`
[INFO] [stderr] 
[INFO] [stderr] warning: module `RLA_instruction_rotate_left_through_carry` should have a snake case name
[INFO] [stderr]    --> src/gameboy/tests/mod.rs:341:14
[INFO] [stderr]     |
[INFO] [stderr] 341 |         test("RLA instruction rotate left through carry") {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `rla_instruction_rotate_left_through_carry`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `"docker" "inspect" "33463b46719f736414b315ca7cb2d47db560e6dec5cd33b5d1039b3d3ba217be"`
[INFO] running `"docker" "rm" "-f" "33463b46719f736414b315ca7cb2d47db560e6dec5cd33b5d1039b3d3ba217be"`
[INFO] [stdout] 33463b46719f736414b315ca7cb2d47db560e6dec5cd33b5d1039b3d3ba217be