[INFO] cloning repository northerner/rchip
[INFO] running `"git" "clone" "--bare" "git://github.com/northerner/rchip.git" "work/cache/sources/gh/northerner/rchip"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/northerner/rchip'...
[INFO] running `"git" "clone" "work/cache/sources/gh/northerner/rchip" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/northerner/rchip"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/northerner/rchip'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/northerner/rchip" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/northerner/rchip"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/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#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of northerner/rchip on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-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-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/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-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/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" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking northerner/rchip against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-2/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1cafd7a11ec2806b3d6a1160c18ccb9257a460f36f0535af0ef7947141d3bd1c
[INFO] running `"docker" "start" "-a" "1cafd7a11ec2806b3d6a1160c18ccb9257a460f36f0535af0ef7947141d3bd1c"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Checking rand_core v0.1.0-pre.0
[INFO] [stderr]     Checking sdl2 v0.31.0
[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 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 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 `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 5.68s
[INFO] running `"docker" "inspect" "1cafd7a11ec2806b3d6a1160c18ccb9257a460f36f0535af0ef7947141d3bd1c"`
[INFO] running `"docker" "rm" "-f" "1cafd7a11ec2806b3d6a1160c18ccb9257a460f36f0535af0ef7947141d3bd1c"`
[INFO] [stdout] 1cafd7a11ec2806b3d6a1160c18ccb9257a460f36f0535af0ef7947141d3bd1c