[INFO] updating cached repository https://github.com/TrevorS/rustychip8
[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] 354b7e4d37a2e33b987fca40201057208625015e
[INFO] testing TrevorS/rustychip8 against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrevorS%2Frustychip8" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TrevorS/rustychip8 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/TrevorS/rustychip8
[INFO] finished tweaking git repo https://github.com/TrevorS/rustychip8
[INFO] tweaked toml for git repo https://github.com/TrevorS/rustychip8 written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/TrevorS/rustychip8 already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /big/crater/work/builds/worker-7/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[INFO] the lockfile is outdated, regenerating it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" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] d0db7c32795920a070d8ae201bc6c3effbc15caa7bc2c6bfe601ea0eca435640
[INFO] running `"docker" "start" "-a" "d0db7c32795920a070d8ae201bc6c3effbc15caa7bc2c6bfe601ea0eca435640"`
[INFO] [stderr]    Compiling rustychip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/mmu.rs:75:22
[INFO] [stderr]    |
[INFO] [stderr] 75 |     let mut file   = try!(File::open(filename));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/mmu.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 |     try!(file.read_to_end(&mut buffer));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/cpu.rs:66:20
[INFO] [stderr]    |
[INFO] [stderr] 66 |             0x1000 ... 0x1FFF => {
[INFO] [stderr]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/cpu.rs:69:20
[INFO] [stderr]    |
[INFO] [stderr] 69 |             0x2000 ... 0x2FFF => {
[INFO] [stderr]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/cpu.rs:72:20
[INFO] [stderr]    |
[INFO] [stderr] 72 |             0x3000 ... 0x3FFF => {
[INFO] [stderr]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/cpu.rs:75:20
[INFO] [stderr]    |
[INFO] [stderr] 75 |             0x4000 ... 0x4FFF => {
[INFO] [stderr]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/cpu.rs:78:20
[INFO] [stderr]    |
[INFO] [stderr] 78 |             0x5000 ... 0x5FFF => {
[INFO] [stderr]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/cpu.rs:81:20
[INFO] [stderr]    |
[INFO] [stderr] 81 |             0x6000 ... 0x6FFF => {
[INFO] [stderr]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/cpu.rs:84:20
[INFO] [stderr]    |
[INFO] [stderr] 84 |             0x7000 ... 0x7FFF => {
[INFO] [stderr]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/cpu.rs:87:20
[INFO] [stderr]    |
[INFO] [stderr] 87 |             0x8000 ... 0x8FFF => {
[INFO] [stderr]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/cpu.rs:121:20
[INFO] [stderr]     |
[INFO] [stderr] 121 |             0x9000 ... 0x9FFF => {
[INFO] [stderr]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/cpu.rs:124:20
[INFO] [stderr]     |
[INFO] [stderr] 124 |             0xA000 ... 0xAFFF => {
[INFO] [stderr]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/cpu.rs:127:20
[INFO] [stderr]     |
[INFO] [stderr] 127 |             0xB000 ... 0xBFFF => {
[INFO] [stderr]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/cpu.rs:130:20
[INFO] [stderr]     |
[INFO] [stderr] 130 |             0xC000 ... 0xCFFF => {
[INFO] [stderr]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/cpu.rs:133:20
[INFO] [stderr]     |
[INFO] [stderr] 133 |             0xD000 ... 0xDFFF => {
[INFO] [stderr]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/cpu.rs:136:20
[INFO] [stderr]     |
[INFO] [stderr] 136 |             0xE000 ... 0xEFFF => {
[INFO] [stderr]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/cpu.rs:149:20
[INFO] [stderr]     |
[INFO] [stderr] 149 |             0xF000 ... 0xFFFF => {
[INFO] [stderr]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cpu::Cpu`
[INFO] [stderr]  --> src/term_gfx.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use cpu::Cpu;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sdl`
[INFO] [stderr]   --> src/main.rs:25:19
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let (mut gfx, sdl) = Gfx::new(1);
[INFO] [stderr]    |                   ^^^ help: consider prefixing with an underscore: `_sdl`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `pixel` is assigned to, but never used
[INFO] [stderr]   --> src/gfx.rs:42:17
[INFO] [stderr]    |
[INFO] [stderr] 42 |         let mut pixel: u8;
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_pixel` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `pixel` is never read
[INFO] [stderr]   --> src/gfx.rs:48:17
[INFO] [stderr]    |
[INFO] [stderr] 48 |                 pixel = &buffer[y * 64 + x] * 255;
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_address`
[INFO] [stderr]    --> src/cpu.rs:583:1
[INFO] [stderr]     |
[INFO] [stderr] 583 | fn print_address(address: u16) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `TermGfx`
[INFO] [stderr]  --> src/term_gfx.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct TermGfx { }
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]  --> src/term_gfx.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     pub fn new() -> TermGfx {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `composite`
[INFO] [stderr]   --> src/term_gfx.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn composite(&self, buffer: Vec<u8>) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/gfx.rs:49:17
[INFO] [stderr]    |
[INFO] [stderr] 49 | /                 self.renderer.fill_rect(
[INFO] [stderr] 50 | |                     Rect::new(x as i32, y as i32, self.scale as u32, self.scale as u32));
[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 3.90s
[INFO] running `"docker" "inspect" "d0db7c32795920a070d8ae201bc6c3effbc15caa7bc2c6bfe601ea0eca435640"`
[INFO] running `"docker" "rm" "-f" "d0db7c32795920a070d8ae201bc6c3effbc15caa7bc2c6bfe601ea0eca435640"`
[INFO] [stdout] d0db7c32795920a070d8ae201bc6c3effbc15caa7bc2c6bfe601ea0eca435640
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] bd6610463c5480179d8a491ccf8d9cf808a763905af44426b6618caa21dcda17
[INFO] running `"docker" "start" "-a" "bd6610463c5480179d8a491ccf8d9cf808a763905af44426b6618caa21dcda17"`
[INFO] [stderr]    Compiling rustychip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/mmu.rs:75:22
[INFO] [stderr]    |
[INFO] [stderr] 75 |     let mut file   = try!(File::open(filename));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/mmu.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 |     try!(file.read_to_end(&mut buffer));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/cpu.rs:66:20
[INFO] [stderr]    |
[INFO] [stderr] 66 |             0x1000 ... 0x1FFF => {
[INFO] [stderr]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/cpu.rs:69:20
[INFO] [stderr]    |
[INFO] [stderr] 69 |             0x2000 ... 0x2FFF => {
[INFO] [stderr]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/cpu.rs:72:20
[INFO] [stderr]    |
[INFO] [stderr] 72 |             0x3000 ... 0x3FFF => {
[INFO] [stderr]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/cpu.rs:75:20
[INFO] [stderr]    |
[INFO] [stderr] 75 |             0x4000 ... 0x4FFF => {
[INFO] [stderr]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/cpu.rs:78:20
[INFO] [stderr]    |
[INFO] [stderr] 78 |             0x5000 ... 0x5FFF => {
[INFO] [stderr]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/cpu.rs:81:20
[INFO] [stderr]    |
[INFO] [stderr] 81 |             0x6000 ... 0x6FFF => {
[INFO] [stderr]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/cpu.rs:84:20
[INFO] [stderr]    |
[INFO] [stderr] 84 |             0x7000 ... 0x7FFF => {
[INFO] [stderr]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/cpu.rs:87:20
[INFO] [stderr]    |
[INFO] [stderr] 87 |             0x8000 ... 0x8FFF => {
[INFO] [stderr]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/cpu.rs:121:20
[INFO] [stderr]     |
[INFO] [stderr] 121 |             0x9000 ... 0x9FFF => {
[INFO] [stderr]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/cpu.rs:124:20
[INFO] [stderr]     |
[INFO] [stderr] 124 |             0xA000 ... 0xAFFF => {
[INFO] [stderr]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/cpu.rs:127:20
[INFO] [stderr]     |
[INFO] [stderr] 127 |             0xB000 ... 0xBFFF => {
[INFO] [stderr]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/cpu.rs:130:20
[INFO] [stderr]     |
[INFO] [stderr] 130 |             0xC000 ... 0xCFFF => {
[INFO] [stderr]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/cpu.rs:133:20
[INFO] [stderr]     |
[INFO] [stderr] 133 |             0xD000 ... 0xDFFF => {
[INFO] [stderr]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/cpu.rs:136:20
[INFO] [stderr]     |
[INFO] [stderr] 136 |             0xE000 ... 0xEFFF => {
[INFO] [stderr]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/cpu.rs:149:20
[INFO] [stderr]     |
[INFO] [stderr] 149 |             0xF000 ... 0xFFFF => {
[INFO] [stderr]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cpu::Cpu`
[INFO] [stderr]  --> src/term_gfx.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use cpu::Cpu;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sdl`
[INFO] [stderr]   --> src/main.rs:25:19
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let (mut gfx, sdl) = Gfx::new(1);
[INFO] [stderr]    |                   ^^^ help: consider prefixing with an underscore: `_sdl`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `pixel` is assigned to, but never used
[INFO] [stderr]   --> src/gfx.rs:42:17
[INFO] [stderr]    |
[INFO] [stderr] 42 |         let mut pixel: u8;
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_pixel` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `pixel` is never read
[INFO] [stderr]   --> src/gfx.rs:48:17
[INFO] [stderr]    |
[INFO] [stderr] 48 |                 pixel = &buffer[y * 64 + x] * 255;
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_address`
[INFO] [stderr]    --> src/cpu.rs:583:1
[INFO] [stderr]     |
[INFO] [stderr] 583 | fn print_address(address: u16) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `TermGfx`
[INFO] [stderr]  --> src/term_gfx.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct TermGfx { }
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]  --> src/term_gfx.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     pub fn new() -> TermGfx {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `composite`
[INFO] [stderr]   --> src/term_gfx.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn composite(&self, buffer: Vec<u8>) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/gfx.rs:49:17
[INFO] [stderr]    |
[INFO] [stderr] 49 | /                 self.renderer.fill_rect(
[INFO] [stderr] 50 | |                     Rect::new(x as i32, y as i32, self.scale as u32, self.scale as u32));
[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 1.81s
[INFO] running `"docker" "inspect" "bd6610463c5480179d8a491ccf8d9cf808a763905af44426b6618caa21dcda17"`
[INFO] running `"docker" "rm" "-f" "bd6610463c5480179d8a491ccf8d9cf808a763905af44426b6618caa21dcda17"`
[INFO] [stdout] bd6610463c5480179d8a491ccf8d9cf808a763905af44426b6618caa21dcda17
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 41478a86b6ca20ee520ea3fca384b17d14d5c3e4a646b819d35ca6a4dbd16f75
[INFO] running `"docker" "start" "-a" "41478a86b6ca20ee520ea3fca384b17d14d5c3e4a646b819d35ca6a4dbd16f75"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rustychip8-1bcc32b170c3be74
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "41478a86b6ca20ee520ea3fca384b17d14d5c3e4a646b819d35ca6a4dbd16f75"`
[INFO] running `"docker" "rm" "-f" "41478a86b6ca20ee520ea3fca384b17d14d5c3e4a646b819d35ca6a4dbd16f75"`
[INFO] [stdout] 41478a86b6ca20ee520ea3fca384b17d14d5c3e4a646b819d35ca6a4dbd16f75