[INFO] updating cached repository https://github.com/sanchopanca/old-rusty-platforms
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ce71f9b6696c9b4123d5e98a7ad7ba1745fb07ff
[INFO] testing sanchopanca/old-rusty-platforms against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsanchopanca%2Fold-rusty-platforms" "work/builds/worker-5/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sanchopanca/old-rusty-platforms on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/sanchopanca/old-rusty-platforms
[INFO] finished tweaking git repo https://github.com/sanchopanca/old-rusty-platforms
[INFO] tweaked toml for git repo https://github.com/sanchopanca/old-rusty-platforms written to work/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/sanchopanca/old-rusty-platforms already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /big/crater/work/builds/worker-5/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 06a42e40e4d6bbf4388ec80bc6a7f7c3712625d427fe4ef9eaadc8f277bd164f
[INFO] running `"docker" "start" "-a" "06a42e40e4d6bbf4388ec80bc6a7f7c3712625d427fe4ef9eaadc8f277bd164f"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling sdl2 v0.14.0
[INFO] [stderr]    Compiling old_rusty_platforms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/chip8.rs:18:22
[INFO] [stderr]    |
[INFO] [stderr] 18 |     display: &'a mut CHIP8Display,
[INFO] [stderr]    |                      ^^^^^^^^^^^^ help: use `dyn`: `dyn CHIP8Display`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vide_memory`
[INFO] [stderr]   --> src/chip8_display.rs:23:26
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn update(&mut self, vide_memory: &[[u8; 4]; 8]) {
[INFO] [stderr]    |                          ^^^^^^^^^^^ help: consider prefixing with an underscore: `_vide_memory`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `v`
[INFO] [stderr]  --> src/chip8.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     v: [u8; 16],  // V0 - VF registers
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `i`
[INFO] [stderr]   --> src/chip8.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     i: u16,  // address register
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `stack`
[INFO] [stderr]   --> src/chip8.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     stack: [usize; 16], // stack
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `sp`
[INFO] [stderr]   --> src/chip8.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     sp: usize, // stack pointer
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `delay_timer`
[INFO] [stderr]   --> src/chip8.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     delay_timer: u8,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `sound_timer`
[INFO] [stderr]   --> src/chip8.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     sound_timer: u8,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `ca`
[INFO] [stderr]   --> src/chip8.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     ca: usize, // current address
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_opcode`
[INFO] [stderr]   --> src/chip8.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn execute_opcode(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `not_implemented`
[INFO] [stderr]   --> src/chip8.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn not_implemented(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `warning`
[INFO] [stderr]   --> src/chip8.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 |     fn warning(&self, message: &str) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_0_opcode`
[INFO] [stderr]   --> src/chip8.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 85 |     fn execute_0_opcode(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_1_opcode`
[INFO] [stderr]    --> src/chip8.rs:111:5
[INFO] [stderr]     |
[INFO] [stderr] 111 |     fn execute_1_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_2_opcode`
[INFO] [stderr]    --> src/chip8.rs:126:5
[INFO] [stderr]     |
[INFO] [stderr] 126 |     fn execute_2_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_3_opcode`
[INFO] [stderr]    --> src/chip8.rs:136:5
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn execute_3_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_4_opcode`
[INFO] [stderr]    --> src/chip8.rs:146:5
[INFO] [stderr]     |
[INFO] [stderr] 146 |     fn execute_4_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_5_opcode`
[INFO] [stderr]    --> src/chip8.rs:156:5
[INFO] [stderr]     |
[INFO] [stderr] 156 |     fn execute_5_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_6_opcode`
[INFO] [stderr]    --> src/chip8.rs:172:5
[INFO] [stderr]     |
[INFO] [stderr] 172 |     fn execute_6_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_7_opcode`
[INFO] [stderr]    --> src/chip8.rs:179:5
[INFO] [stderr]     |
[INFO] [stderr] 179 |     fn execute_7_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_8_opcode`
[INFO] [stderr]    --> src/chip8.rs:185:5
[INFO] [stderr]     |
[INFO] [stderr] 185 |     fn execute_8_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_9_opcode`
[INFO] [stderr]    --> src/chip8.rs:232:5
[INFO] [stderr]     |
[INFO] [stderr] 232 |     fn execute_9_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_a_opcode`
[INFO] [stderr]    --> src/chip8.rs:242:5
[INFO] [stderr]     |
[INFO] [stderr] 242 |     fn execute_a_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_b_opcode`
[INFO] [stderr]    --> src/chip8.rs:248:5
[INFO] [stderr]     |
[INFO] [stderr] 248 |     fn execute_b_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_c_opcode`
[INFO] [stderr]    --> src/chip8.rs:254:5
[INFO] [stderr]     |
[INFO] [stderr] 254 |     fn execute_c_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_d_opcode`
[INFO] [stderr]    --> src/chip8.rs:262:5
[INFO] [stderr]     |
[INFO] [stderr] 262 |     fn execute_d_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_e_opcode`
[INFO] [stderr]    --> src/chip8.rs:268:5
[INFO] [stderr]     |
[INFO] [stderr] 268 |     fn execute_e_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_f_opcode`
[INFO] [stderr]    --> src/chip8.rs:274:5
[INFO] [stderr]     |
[INFO] [stderr] 274 |     fn execute_f_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `x`
[INFO] [stderr]  --> src/chip8_display.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     x: i8,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/chip8.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |         binary_parser::load_binary_to_memory(file_path, &mut self.ram[0x200..]);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.09s
[INFO] running `"docker" "inspect" "06a42e40e4d6bbf4388ec80bc6a7f7c3712625d427fe4ef9eaadc8f277bd164f"`
[INFO] running `"docker" "rm" "-f" "06a42e40e4d6bbf4388ec80bc6a7f7c3712625d427fe4ef9eaadc8f277bd164f"`
[INFO] [stdout] 06a42e40e4d6bbf4388ec80bc6a7f7c3712625d427fe4ef9eaadc8f277bd164f
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0dce0c5541b28bd0d746f776ed3d7f060086a2b7a395d28beb9bb94b54f59a73
[INFO] running `"docker" "start" "-a" "0dce0c5541b28bd0d746f776ed3d7f060086a2b7a395d28beb9bb94b54f59a73"`
[INFO] [stderr]    Compiling old_rusty_platforms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/chip8.rs:18:22
[INFO] [stderr]    |
[INFO] [stderr] 18 |     display: &'a mut CHIP8Display,
[INFO] [stderr]    |                      ^^^^^^^^^^^^ help: use `dyn`: `dyn CHIP8Display`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vide_memory`
[INFO] [stderr]   --> src/chip8_display.rs:23:26
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn update(&mut self, vide_memory: &[[u8; 4]; 8]) {
[INFO] [stderr]    |                          ^^^^^^^^^^^ help: consider prefixing with an underscore: `_vide_memory`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `v`
[INFO] [stderr]  --> src/chip8.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     v: [u8; 16],  // V0 - VF registers
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `i`
[INFO] [stderr]   --> src/chip8.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     i: u16,  // address register
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `stack`
[INFO] [stderr]   --> src/chip8.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     stack: [usize; 16], // stack
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `sp`
[INFO] [stderr]   --> src/chip8.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     sp: usize, // stack pointer
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `delay_timer`
[INFO] [stderr]   --> src/chip8.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     delay_timer: u8,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `sound_timer`
[INFO] [stderr]   --> src/chip8.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     sound_timer: u8,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `ca`
[INFO] [stderr]   --> src/chip8.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     ca: usize, // current address
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_opcode`
[INFO] [stderr]   --> src/chip8.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn execute_opcode(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `not_implemented`
[INFO] [stderr]   --> src/chip8.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn not_implemented(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `warning`
[INFO] [stderr]   --> src/chip8.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 |     fn warning(&self, message: &str) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_0_opcode`
[INFO] [stderr]   --> src/chip8.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 85 |     fn execute_0_opcode(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_1_opcode`
[INFO] [stderr]    --> src/chip8.rs:111:5
[INFO] [stderr]     |
[INFO] [stderr] 111 |     fn execute_1_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_2_opcode`
[INFO] [stderr]    --> src/chip8.rs:126:5
[INFO] [stderr]     |
[INFO] [stderr] 126 |     fn execute_2_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_3_opcode`
[INFO] [stderr]    --> src/chip8.rs:136:5
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn execute_3_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_4_opcode`
[INFO] [stderr]    --> src/chip8.rs:146:5
[INFO] [stderr]     |
[INFO] [stderr] 146 |     fn execute_4_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_5_opcode`
[INFO] [stderr]    --> src/chip8.rs:156:5
[INFO] [stderr]     |
[INFO] [stderr] 156 |     fn execute_5_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_6_opcode`
[INFO] [stderr]    --> src/chip8.rs:172:5
[INFO] [stderr]     |
[INFO] [stderr] 172 |     fn execute_6_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_7_opcode`
[INFO] [stderr]    --> src/chip8.rs:179:5
[INFO] [stderr]     |
[INFO] [stderr] 179 |     fn execute_7_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_8_opcode`
[INFO] [stderr]    --> src/chip8.rs:185:5
[INFO] [stderr]     |
[INFO] [stderr] 185 |     fn execute_8_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_9_opcode`
[INFO] [stderr]    --> src/chip8.rs:232:5
[INFO] [stderr]     |
[INFO] [stderr] 232 |     fn execute_9_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_a_opcode`
[INFO] [stderr]    --> src/chip8.rs:242:5
[INFO] [stderr]     |
[INFO] [stderr] 242 |     fn execute_a_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_b_opcode`
[INFO] [stderr]    --> src/chip8.rs:248:5
[INFO] [stderr]     |
[INFO] [stderr] 248 |     fn execute_b_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_c_opcode`
[INFO] [stderr]    --> src/chip8.rs:254:5
[INFO] [stderr]     |
[INFO] [stderr] 254 |     fn execute_c_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_d_opcode`
[INFO] [stderr]    --> src/chip8.rs:262:5
[INFO] [stderr]     |
[INFO] [stderr] 262 |     fn execute_d_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_e_opcode`
[INFO] [stderr]    --> src/chip8.rs:268:5
[INFO] [stderr]     |
[INFO] [stderr] 268 |     fn execute_e_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `execute_f_opcode`
[INFO] [stderr]    --> src/chip8.rs:274:5
[INFO] [stderr]     |
[INFO] [stderr] 274 |     fn execute_f_opcode(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `x`
[INFO] [stderr]  --> src/chip8_display.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     x: i8,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/chip8.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |         binary_parser::load_binary_to_memory(file_path, &mut self.ram[0x200..]);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `"docker" "inspect" "0dce0c5541b28bd0d746f776ed3d7f060086a2b7a395d28beb9bb94b54f59a73"`
[INFO] running `"docker" "rm" "-f" "0dce0c5541b28bd0d746f776ed3d7f060086a2b7a395d28beb9bb94b54f59a73"`
[INFO] [stdout] 0dce0c5541b28bd0d746f776ed3d7f060086a2b7a395d28beb9bb94b54f59a73
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 1b19c9aafb5d79e936c9700a1ca036a8b64c9d7fa8c25ea84697ed4a75291f4b
[INFO] running `"docker" "start" "-a" "1b19c9aafb5d79e936c9700a1ca036a8b64c9d7fa8c25ea84697ed4a75291f4b"`
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/old_rusty_platforms-5e20c0d60b2ccbd2
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1b19c9aafb5d79e936c9700a1ca036a8b64c9d7fa8c25ea84697ed4a75291f4b"`
[INFO] running `"docker" "rm" "-f" "1b19c9aafb5d79e936c9700a1ca036a8b64c9d7fa8c25ea84697ed4a75291f4b"`
[INFO] [stdout] 1b19c9aafb5d79e936c9700a1ca036a8b64c9d7fa8c25ea84697ed4a75291f4b