[INFO] cloning repository squablyScientist/chip8-rust
[INFO] running `"git" "clone" "--bare" "git://github.com/squablyScientist/chip8-rust.git" "work/cache/sources/gh/squablyScientist/chip8-rust"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/squablyScientist/chip8-rust'...
[INFO] running `"git" "clone" "work/cache/sources/gh/squablyScientist/chip8-rust" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/squablyScientist/chip8-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/squablyScientist/chip8-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/squablyScientist/chip8-rust" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/squablyScientist/chip8-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/squablyScientist/chip8-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 20a3b6f01b05b4f4e44d4695942b21cbdbe04a62
[INFO] sha for GitHub repo squablyScientist/chip8-rust: 20a3b6f01b05b4f4e44d4695942b21cbdbe04a62
[INFO] validating manifest of squablyScientist/chip8-rust on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of squablyScientist/chip8-rust on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing squablyScientist/chip8-rust
[INFO] finished frobbing squablyScientist/chip8-rust
[INFO] frobbed toml for squablyScientist/chip8-rust written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/squablyScientist/chip8-rust/Cargo.toml
[INFO] started frobbing squablyScientist/chip8-rust
[INFO] finished frobbing squablyScientist/chip8-rust
[INFO] frobbed toml for squablyScientist/chip8-rust written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/squablyScientist/chip8-rust/Cargo.toml
[INFO] crate squablyScientist/chip8-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing squablyScientist/chip8-rust against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/squablyScientist/chip8-rust:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 45f21c6f0b65c5f3dd2c5addaa9388b92d3c445bde0c96a9ec260d27cf78467d
[INFO] running `"docker" "start" "-a" "45f21c6f0b65c5f3dd2c5addaa9388b92d3c445bde0c96a9ec260d27cf78467d"`
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling chip8 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `pixel` is never read
[INFO] [stderr]    --> src/cpu.rs:367:25
[INFO] [stderr]     |
[INFO] [stderr] 367 |                 let mut pixel: u8 = 0;
[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: method is never used: `dump_mem`
[INFO] [stderr]   --> src/cpu.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     pub fn dump_mem(&self) -> String {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dump_reg`
[INFO] [stderr]    --> src/cpu.rs:131:5
[INFO] [stderr]     |
[INFO] [stderr] 131 |     pub fn dump_reg(&self) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `V` should have a snake case name
[INFO] [stderr]   --> src/cpu.rs:27:10
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub  V: [u8; 16],   
[INFO] [stderr]    |          ^ help: convert the identifier to snake case: `v`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `I` should have a snake case name
[INFO] [stderr]   --> src/cpu.rs:30:10
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub  I: u16,        
[INFO] [stderr]    |          ^ help: convert the identifier to snake case: `i`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `"docker" "inspect" "45f21c6f0b65c5f3dd2c5addaa9388b92d3c445bde0c96a9ec260d27cf78467d"`
[INFO] running `"docker" "rm" "-f" "45f21c6f0b65c5f3dd2c5addaa9388b92d3c445bde0c96a9ec260d27cf78467d"`
[INFO] [stdout] 45f21c6f0b65c5f3dd2c5addaa9388b92d3c445bde0c96a9ec260d27cf78467d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/squablyScientist/chip8-rust:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2d432506812e8f0b0b769b757dd33697ec3b5cf45c623d8fd4e27434e3acd920
[INFO] running `"docker" "start" "-a" "2d432506812e8f0b0b769b757dd33697ec3b5cf45c623d8fd4e27434e3acd920"`
[INFO] [stderr]    Compiling chip8 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `pixel` is never read
[INFO] [stderr]    --> src/cpu.rs:367:25
[INFO] [stderr]     |
[INFO] [stderr] 367 |                 let mut pixel: u8 = 0;
[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: method is never used: `dump_mem`
[INFO] [stderr]   --> src/cpu.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     pub fn dump_mem(&self) -> String {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `dump_reg`
[INFO] [stderr]    --> src/cpu.rs:131:5
[INFO] [stderr]     |
[INFO] [stderr] 131 |     pub fn dump_reg(&self) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `V` should have a snake case name
[INFO] [stderr]   --> src/cpu.rs:27:10
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub  V: [u8; 16],   
[INFO] [stderr]    |          ^ help: convert the identifier to snake case: `v`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `I` should have a snake case name
[INFO] [stderr]   --> src/cpu.rs:30:10
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub  I: u16,        
[INFO] [stderr]    |          ^ help: convert the identifier to snake case: `i`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "2d432506812e8f0b0b769b757dd33697ec3b5cf45c623d8fd4e27434e3acd920"`
[INFO] running `"docker" "rm" "-f" "2d432506812e8f0b0b769b757dd33697ec3b5cf45c623d8fd4e27434e3acd920"`
[INFO] [stdout] 2d432506812e8f0b0b769b757dd33697ec3b5cf45c623d8fd4e27434e3acd920
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/squablyScientist/chip8-rust:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] 1146f543df6ed66aec9ac52ed0c55b7ace0fe82be135c65f6b518aba33a9068e
[INFO] running `"docker" "start" "-a" "1146f543df6ed66aec9ac52ed0c55b7ace0fe82be135c65f6b518aba33a9068e"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/chip8-7c225e08b1e1de05
[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" "1146f543df6ed66aec9ac52ed0c55b7ace0fe82be135c65f6b518aba33a9068e"`
[INFO] running `"docker" "rm" "-f" "1146f543df6ed66aec9ac52ed0c55b7ace0fe82be135c65f6b518aba33a9068e"`
[INFO] [stdout] 1146f543df6ed66aec9ac52ed0c55b7ace0fe82be135c65f6b518aba33a9068e