[INFO] updating cached repository https://github.com/louisjj/chip8
[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] 42df87868d97989d917ee58df05579777ba60697
[INFO] testing louisjj/chip8 against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Flouisjj%2Fchip8" "work/builds/worker-5/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/louisjj/chip8 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/louisjj/chip8
[INFO] finished tweaking git repo https://github.com/louisjj/chip8
[INFO] tweaked toml for git repo https://github.com/louisjj/chip8 written to work/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/louisjj/chip8 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] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/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] 50d0b4418f2c79d81d9941aa0129ab7a4af9dcb105407aa6b6c7c32a41c6fe81
[INFO] running `"docker" "start" "-a" "50d0b4418f2c79d81d9941aa0129ab7a4af9dcb105407aa6b6c7c32a41c6fe81"`
[INFO] [stderr]    Compiling x11-dl v2.14.0
[INFO] [stderr]    Compiling minifb v0.11.2
[INFO] [stderr]    Compiling chip v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: constant `Chip8Keys` should have an upper case name
[INFO] [stderr]   --> src/main.rs:21:11
[INFO] [stderr]    |
[INFO] [stderr] 21 |     const Chip8Keys: [Key; 16] = [
[INFO] [stderr]    |           ^^^^^^^^^ help: convert the identifier to upper case: `CHIP8_KEYS`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     f.read(&mut 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: constant `fonts` should have an upper case name
[INFO] [stderr]   --> src/chip8.rs:11:7
[INFO] [stderr]    |
[INFO] [stderr] 11 | const fonts: [Font; 16] = [
[INFO] [stderr]    |       ^^^^^ help: convert the identifier to upper case: `FONTS`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `I` should have a snake case name
[INFO] [stderr]   --> src/chip8.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     I: u16,
[INFO] [stderr]    |     ^ help: convert the identifier to snake case: `i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.00s
[INFO] running `"docker" "inspect" "50d0b4418f2c79d81d9941aa0129ab7a4af9dcb105407aa6b6c7c32a41c6fe81"`
[INFO] running `"docker" "rm" "-f" "50d0b4418f2c79d81d9941aa0129ab7a4af9dcb105407aa6b6c7c32a41c6fe81"`
[INFO] [stdout] 50d0b4418f2c79d81d9941aa0129ab7a4af9dcb105407aa6b6c7c32a41c6fe81
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/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] 2e8ab6cb8879d9f67f8d57d56852beb1c10f48701dd7b6da84f731aedb00691d
[INFO] running `"docker" "start" "-a" "2e8ab6cb8879d9f67f8d57d56852beb1c10f48701dd7b6da84f731aedb00691d"`
[INFO] [stderr]    Compiling chip v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: constant `Chip8Keys` should have an upper case name
[INFO] [stderr]   --> src/main.rs:21:11
[INFO] [stderr]    |
[INFO] [stderr] 21 |     const Chip8Keys: [Key; 16] = [
[INFO] [stderr]    |           ^^^^^^^^^ help: convert the identifier to upper case: `CHIP8_KEYS`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     f.read(&mut 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: constant `fonts` should have an upper case name
[INFO] [stderr]   --> src/chip8.rs:11:7
[INFO] [stderr]    |
[INFO] [stderr] 11 | const fonts: [Font; 16] = [
[INFO] [stderr]    |       ^^^^^ help: convert the identifier to upper case: `FONTS`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `I` should have a snake case name
[INFO] [stderr]   --> src/chip8.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     I: u16,
[INFO] [stderr]    |     ^ help: convert the identifier to snake case: `i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `"docker" "inspect" "2e8ab6cb8879d9f67f8d57d56852beb1c10f48701dd7b6da84f731aedb00691d"`
[INFO] running `"docker" "rm" "-f" "2e8ab6cb8879d9f67f8d57d56852beb1c10f48701dd7b6da84f731aedb00691d"`
[INFO] [stdout] 2e8ab6cb8879d9f67f8d57d56852beb1c10f48701dd7b6da84f731aedb00691d
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/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] 30c1015216c5491125e0c0505e0b48d01e5b7e1790a0e285f76f67276548ae7e
[INFO] running `"docker" "start" "-a" "30c1015216c5491125e0c0505e0b48d01e5b7e1790a0e285f76f67276548ae7e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/chip-d63a95a520a6444a
[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" "30c1015216c5491125e0c0505e0b48d01e5b7e1790a0e285f76f67276548ae7e"`
[INFO] running `"docker" "rm" "-f" "30c1015216c5491125e0c0505e0b48d01e5b7e1790a0e285f76f67276548ae7e"`
[INFO] [stdout] 30c1015216c5491125e0c0505e0b48d01e5b7e1790a0e285f76f67276548ae7e