[INFO] updating cached repository JordanLevin/Rust-emulator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/JordanLevin/Rust-emulator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/JordanLevin/Rust-emulator" "work/ex/beta-1.37-6/sources/1.36.0/gh/JordanLevin/Rust-emulator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/JordanLevin/Rust-emulator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/JordanLevin/Rust-emulator" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/JordanLevin/Rust-emulator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/JordanLevin/Rust-emulator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fa02af4a011cc54a1eac4b98c935baa746e7c0c5
[INFO] sha for GitHub repo JordanLevin/Rust-emulator: fa02af4a011cc54a1eac4b98c935baa746e7c0c5
[INFO] validating manifest of JordanLevin/Rust-emulator on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of JordanLevin/Rust-emulator on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing JordanLevin/Rust-emulator
[INFO] finished frobbing JordanLevin/Rust-emulator
[INFO] frobbed toml for JordanLevin/Rust-emulator written to work/ex/beta-1.37-6/sources/1.36.0/gh/JordanLevin/Rust-emulator/Cargo.toml
[INFO] started frobbing JordanLevin/Rust-emulator
[INFO] finished frobbing JordanLevin/Rust-emulator
[INFO] frobbed toml for JordanLevin/Rust-emulator written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/JordanLevin/Rust-emulator/Cargo.toml
[INFO] crate JordanLevin/Rust-emulator already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing JordanLevin/Rust-emulator against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/JordanLevin/Rust-emulator:/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 97b2a0594ce2ae25ac68e231ed65ce24083c38cbf121033896f9cd94683ddbe0
[INFO] running `"docker" "start" "-a" "97b2a0594ce2ae25ac68e231ed65ce24083c38cbf121033896f9cd94683ddbe0"`
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]    Compiling sdl2 v0.31.0
[INFO] [stderr]    Compiling emulator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `keypress` is never read
[INFO] [stderr]    --> src/instruct.rs:280:19
[INFO] [stderr]     |
[INFO] [stderr] 280 |             _ => {keypress = false; break;},
[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: `opcode_to_str`
[INFO] [stderr]  --> src/disas.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn opcode_to_str(opcode: &Vec<u8>) -> String{
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     disassemble(&args[1], &mut canvas, &context);
[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 `std::result::Result` that must be used
[INFO] [stderr]   --> src/graphics.rs:77:17
[INFO] [stderr]    |
[INFO] [stderr] 77 |                 canvas.fill_rect(r);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[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 11.24s
[INFO] running `"docker" "inspect" "97b2a0594ce2ae25ac68e231ed65ce24083c38cbf121033896f9cd94683ddbe0"`
[INFO] running `"docker" "rm" "-f" "97b2a0594ce2ae25ac68e231ed65ce24083c38cbf121033896f9cd94683ddbe0"`
[INFO] [stdout] 97b2a0594ce2ae25ac68e231ed65ce24083c38cbf121033896f9cd94683ddbe0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/JordanLevin/Rust-emulator:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] a6fafa3604376809bc28b8068adb1c35b85c055a1d703093eb1e9d500b1a0cba
[INFO] running `"docker" "start" "-a" "a6fafa3604376809bc28b8068adb1c35b85c055a1d703093eb1e9d500b1a0cba"`
[INFO] [stderr]    Compiling emulator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `keypress` is never read
[INFO] [stderr]    --> src/instruct.rs:280:19
[INFO] [stderr]     |
[INFO] [stderr] 280 |             _ => {keypress = false; break;},
[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: `opcode_to_str`
[INFO] [stderr]  --> src/disas.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn opcode_to_str(opcode: &Vec<u8>) -> String{
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     disassemble(&args[1], &mut canvas, &context);
[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 `std::result::Result` that must be used
[INFO] [stderr]   --> src/graphics.rs:77:17
[INFO] [stderr]    |
[INFO] [stderr] 77 |                 canvas.fill_rect(r);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[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 1.33s
[INFO] running `"docker" "inspect" "a6fafa3604376809bc28b8068adb1c35b85c055a1d703093eb1e9d500b1a0cba"`
[INFO] running `"docker" "rm" "-f" "a6fafa3604376809bc28b8068adb1c35b85c055a1d703093eb1e9d500b1a0cba"`
[INFO] [stdout] a6fafa3604376809bc28b8068adb1c35b85c055a1d703093eb1e9d500b1a0cba
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/JordanLevin/Rust-emulator:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 4d328b5a0254e85e907f63a3828ffb9204cd003610c37dcaa8e85ce0f75287f7
[INFO] running `"docker" "start" "-a" "4d328b5a0254e85e907f63a3828ffb9204cd003610c37dcaa8e85ce0f75287f7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/emulator-ac59ab521014cf10
[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" "4d328b5a0254e85e907f63a3828ffb9204cd003610c37dcaa8e85ce0f75287f7"`
[INFO] running `"docker" "rm" "-f" "4d328b5a0254e85e907f63a3828ffb9204cd003610c37dcaa8e85ce0f75287f7"`
[INFO] [stdout] 4d328b5a0254e85e907f63a3828ffb9204cd003610c37dcaa8e85ce0f75287f7