[INFO] updating cached repository northerner/rchip
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/northerner/rchip
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/northerner/rchip" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/northerner/rchip"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/northerner/rchip'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/northerner/rchip" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/northerner/rchip"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/northerner/rchip'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 934301af3f89df30640b99b327797704fdb3eec4
[INFO] sha for GitHub repo northerner/rchip: 934301af3f89df30640b99b327797704fdb3eec4
[INFO] validating manifest of northerner/rchip 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 northerner/rchip 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 northerner/rchip
[INFO] finished frobbing northerner/rchip
[INFO] frobbed toml for northerner/rchip written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/northerner/rchip/Cargo.toml
[INFO] started frobbing northerner/rchip
[INFO] finished frobbing northerner/rchip
[INFO] frobbed toml for northerner/rchip written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/northerner/rchip/Cargo.toml
[INFO] crate northerner/rchip 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 northerner/rchip against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-2/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/northerner/rchip:/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] 09578cba65b69fcc582d9387cc2c4ce4c9b15178a6e77d8d26f28d33e35aece2
[INFO] running `"docker" "start" "-a" "09578cba65b69fcc582d9387cc2c4ce4c9b15178a6e77d8d26f28d33e35aece2"`
[INFO] [stderr]     Checking rand_core v0.1.0-pre.0
[INFO] [stderr]     Checking rand v0.5.0-pre.0
[INFO] [stderr]     Checking rchip v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Point`, `Rect`
[INFO] [stderr]   --> src/main.rs:10:18
[INFO] [stderr]    |
[INFO] [stderr] 10 | use sdl2::rect::{Point, Rect};
[INFO] [stderr]    |                  ^^^^^  ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/main.rs:17:16
[INFO] [stderr]    |
[INFO] [stderr] 17 |             if (row & (1 << column) != 0) {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Point`, `Rect`
[INFO] [stderr]   --> src/main.rs:10:18
[INFO] [stderr]    |
[INFO] [stderr] 10 | use sdl2::rect::{Point, Rect};
[INFO] [stderr]    |                  ^^^^^  ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/main.rs:17:16
[INFO] [stderr]    |
[INFO] [stderr] 17 |             if (row & (1 << column) != 0) {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/main.rs:163:34
[INFO] [stderr]     |
[INFO] [stderr] 163 |                             Some(x) => registers[0xF as usize] = 0x01,
[INFO] [stderr]     |                                  ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/main.rs:173:34
[INFO] [stderr]     |
[INFO] [stderr] 173 |                             Some(x) => registers[0xF as usize] = 0x00,
[INFO] [stderr]     |                                  ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/main.rs:189:34
[INFO] [stderr]     |
[INFO] [stderr] 189 |                             Some(x) => registers[0xF as usize] = 0x00,
[INFO] [stderr]     |                                  ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/main.rs:232:21
[INFO] [stderr]     |
[INFO] [stderr] 232 |                 let y = registers[((current_opcode & 0x00F0) >> 4) as usize];
[INFO] [stderr]     |                     ^ help: consider prefixing with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line_pixels`
[INFO] [stderr]    --> src/main.rs:236:25
[INFO] [stderr]     |
[INFO] [stderr] 236 |                     let line_pixels = memory[(index_register + line as u16) as usize];
[INFO] [stderr]     |                         ^^^^^^^^^^^ help: consider prefixing with an underscore: `_line_pixels`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     rom.read_to_end(&mut rom_buffer);
[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] warning: unused variable: `x`
[INFO] [stderr]    --> src/main.rs:163:34
[INFO] [stderr]     |
[INFO] [stderr] 163 |                             Some(x) => registers[0xF as usize] = 0x01,
[INFO] [stderr]     |                                  ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/main.rs:173:34
[INFO] [stderr]     |
[INFO] [stderr] 173 |                             Some(x) => registers[0xF as usize] = 0x00,
[INFO] [stderr]     |                                  ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/main.rs:189:34
[INFO] [stderr]     |
[INFO] [stderr] 189 |                             Some(x) => registers[0xF as usize] = 0x00,
[INFO] [stderr]     |                                  ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/main.rs:232:21
[INFO] [stderr]     |
[INFO] [stderr] 232 |                 let y = registers[((current_opcode & 0x00F0) >> 4) as usize];
[INFO] [stderr]     |                     ^ help: consider prefixing with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `line_pixels`
[INFO] [stderr]    --> src/main.rs:236:25
[INFO] [stderr]     |
[INFO] [stderr] 236 |                     let line_pixels = memory[(index_register + line as u16) as usize];
[INFO] [stderr]     |                         ^^^^^^^^^^^ help: consider prefixing with an underscore: `_line_pixels`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     rom.read_to_end(&mut rom_buffer);
[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 3.93s
[INFO] running `"docker" "inspect" "09578cba65b69fcc582d9387cc2c4ce4c9b15178a6e77d8d26f28d33e35aece2"`
[INFO] running `"docker" "rm" "-f" "09578cba65b69fcc582d9387cc2c4ce4c9b15178a6e77d8d26f28d33e35aece2"`
[INFO] [stdout] 09578cba65b69fcc582d9387cc2c4ce4c9b15178a6e77d8d26f28d33e35aece2