[INFO] cloning repository https://github.com/abrodersen/chip-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/abrodersen/chip-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabrodersen%2Fchip-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabrodersen%2Fchip-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ea43a23a11cc28190ac0b5cb002b2e233780e254
[INFO] documenting abrodersen/chip-rs against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabrodersen%2Fchip-rs" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/abrodersen/chip-rs on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/abrodersen/chip-rs
[INFO] finished tweaking git repo https://github.com/abrodersen/chip-rs
[INFO] tweaked toml for git repo https://github.com/abrodersen/chip-rs written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/abrodersen/chip-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded chan v0.1.19
[INFO] [stderr]   Downloaded chan-signal v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3bdd2fbd959e76b68a8d57013dfa4d9426ab2042866aa5a8e263fad0127f37c6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3bdd2fbd959e76b68a8d57013dfa4d9426ab2042866aa5a8e263fad0127f37c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bdd2fbd959e76b68a8d57013dfa4d9426ab2042866aa5a8e263fad0127f37c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bdd2fbd959e76b68a8d57013dfa4d9426ab2042866aa5a8e263fad0127f37c6", kill_on_drop: false }`
[INFO] [stdout] 3bdd2fbd959e76b68a8d57013dfa4d9426ab2042866aa5a8e263fad0127f37c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1888c9a9816c92ef5c1bc7b6f1b682075b8c5629d3a76c02f1f92c9506fab472
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1888c9a9816c92ef5c1bc7b6f1b682075b8c5629d3a76c02f1f92c9506fab472", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]    Compiling sdl2-sys v0.27.2
[INFO] [stderr]     Checking bit-vec v0.4.3
[INFO] [stderr]     Checking lazy_static v0.2.4
[INFO] [stderr]     Checking bit-set v0.4.0
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking time v0.1.36
[INFO] [stderr]     Checking num-integer v0.1.33
[INFO] [stderr]     Checking num-iter v0.1.33
[INFO] [stderr]     Checking num v0.1.37
[INFO] [stderr]     Checking chan v0.1.19
[INFO] [stderr]     Checking sdl2 v0.29.0
[INFO] [stderr]     Checking chan-signal v0.2.0
[INFO] [stderr]  Documenting chip-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/chip8/op.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 |         (self.0 & 0xFFF)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/chip8/display/mod.rs:22:36
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub static ref ZERO:  Sprite = { Sprite::new(&[0xF0, 0x90, 0x90, 0x90, 0xF0]) };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/chip8/display/mod.rs:23:36
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub static ref ONE:   Sprite = { Sprite::new(&[0x20, 0x60, 0x20, 0x20, 0x70]) };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/chip8/display/mod.rs:24:36
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub static ref TWO:   Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/chip8/display/mod.rs:25:36
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub static ref THREE: Sprite = { Sprite::new(&[0xF0, 0x10, 0xF0, 0x10, 0xF0]) };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/chip8/display/mod.rs:26:36
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub static ref FOUR:  Sprite = { Sprite::new(&[0x90, 0x90, 0xF0, 0x10, 0x10]) };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/chip8/display/mod.rs:27:36
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub static ref FIVE:  Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x10, 0xF0]) };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/chip8/display/mod.rs:28:36
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub static ref SIX:   Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x90, 0xF0]) };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/chip8/display/mod.rs:29:36
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub static ref SEVEN: Sprite = { Sprite::new(&[0xF0, 0x10, 0x20, 0x40, 0x40]) };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/chip8/display/mod.rs:30:36
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub static ref EIGHT: Sprite = { Sprite::new(&[0xF0, 0x90, 0xF0, 0x90, 0xF0]) };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/chip8/display/mod.rs:31:36
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub static ref NINE:  Sprite = { Sprite::new(&[0xF0, 0x90, 0xF0, 0x10, 0xF0]) };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/chip8/display/mod.rs:32:36
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub static ref A:     Sprite = { Sprite::new(&[0xF0, 0x90, 0xF0, 0x90, 0x90]) };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/chip8/display/mod.rs:33:36
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub static ref B:     Sprite = { Sprite::new(&[0xE0, 0x90, 0xE0, 0x90, 0xE0]) };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/chip8/display/mod.rs:34:36
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub static ref C:     Sprite = { Sprite::new(&[0xF0, 0x80, 0x80, 0x80, 0xF0]) };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/chip8/display/mod.rs:35:36
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub static ref D:     Sprite = { Sprite::new(&[0xE0, 0x90, 0x90, 0x90, 0xE0]) };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/chip8/display/mod.rs:36:36
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub static ref E:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0xF0]) };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/chip8/display/mod.rs:37:36
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub static ref F:     Sprite = { Sprite::new(&[0xF0, 0x80, 0xF0, 0x80, 0x80]) };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.18s
[INFO] running `Command { std: "docker" "inspect" "1888c9a9816c92ef5c1bc7b6f1b682075b8c5629d3a76c02f1f92c9506fab472", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1888c9a9816c92ef5c1bc7b6f1b682075b8c5629d3a76c02f1f92c9506fab472", kill_on_drop: false }`
[INFO] [stdout] 1888c9a9816c92ef5c1bc7b6f1b682075b8c5629d3a76c02f1f92c9506fab472