[INFO] cloning repository https://github.com/aconbere/gbe-v2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aconbere/gbe-v2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faconbere%2Fgbe-v2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faconbere%2Fgbe-v2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d6249bd694ca0402dcb3eb6abfb7d092867d165
[INFO] checking aconbere/gbe-v2/3d6249bd694ca0402dcb3eb6abfb7d092867d165 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faconbere%2Fgbe-v2" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aconbere/gbe-v2 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aconbere/gbe-v2
[INFO] finished tweaking git repo https://github.com/aconbere/gbe-v2
[INFO] tweaked toml for git repo https://github.com/aconbere/gbe-v2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/aconbere/gbe-v2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded anyhow v1.0.27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8f3d7b6520750a2e27299ca3ae0856ba1f9d44ad7101c222ee06ff01544a082
[INFO] running `Command { std: "docker" "start" "-a" "f8f3d7b6520750a2e27299ca3ae0856ba1f9d44ad7101c222ee06ff01544a082", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8f3d7b6520750a2e27299ca3ae0856ba1f9d44ad7101c222ee06ff01544a082", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8f3d7b6520750a2e27299ca3ae0856ba1f9d44ad7101c222ee06ff01544a082", kill_on_drop: false }`
[INFO] [stdout] f8f3d7b6520750a2e27299ca3ae0856ba1f9d44ad7101c222ee06ff01544a082
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 558eb99abe3f4d8b0c17531ffe27ae2b46a655993b038567da115f548cda484c
[INFO] running `Command { std: "docker" "start" "-a" "558eb99abe3f4d8b0c17531ffe27ae2b46a655993b038567da115f548cda484c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling sdl2 v0.33.0
[INFO] [stderr]    Compiling anyhow v1.0.27
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]    Compiling sdl2-sys v0.33.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking gameboy-emulator-v2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `push_pc` is never used
[INFO] [stdout]    --> src/cpu.rs:181:12
[INFO] [stdout]     |
[INFO] [stdout] 124 | impl CPU {
[INFO] [stdout]     | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 181 |     pub fn push_pc(&mut self, address: u16, value: u8) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `header` is never read
[INFO] [stdout]   --> src/cartridge.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Cartridge {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     header: Header,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `zero` is never used
[INFO] [stdout]   --> src/cartridge.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Cartridge {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn zero() -> Cartridge {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `storage`, `rom_size`, and `name` are never read
[INFO] [stdout]   --> src/cartridge.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub struct Header {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 91 |     storage: [u8; 0x4F],
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 92 |     cart_type: CartridgeType,
[INFO] [stdout] 93 |     rom_size: RomSize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 94 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `zero` is never used
[INFO] [stdout]    --> src/cartridge.rs:127:12
[INFO] [stdout]     |
[INFO] [stdout] 97  | impl Header {
[INFO] [stdout]     | ----------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 127 |     pub fn zero() -> Header {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `zero` is never used
[INFO] [stdout]   --> src/msg.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl TileMap {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 13 |     pub fn zero() -> TileMap {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `zero` is never used
[INFO] [stdout]   --> src/msg.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl Frame {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 30 |     pub fn zero() -> Frame {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `description` is never read
[INFO] [stdout]   --> src/instruction.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Instruction {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 13 |     pub f: IFn,
[INFO] [stdout] 14 |     pub description: String,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `header` is never read
[INFO] [stdout]   --> src/cartridge.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Cartridge {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     header: Header,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `storage`, `rom_size`, and `name` are never read
[INFO] [stdout]   --> src/cartridge.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub struct Header {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 91 |     storage: [u8; 0x4F],
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 92 |     cart_type: CartridgeType,
[INFO] [stdout] 93 |     rom_size: RomSize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 94 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `zero` is never used
[INFO] [stdout]   --> src/msg.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl TileMap {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 13 |     pub fn zero() -> TileMap {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `zero` is never used
[INFO] [stdout]   --> src/msg.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl Frame {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 30 |     pub fn zero() -> Frame {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `description` is never read
[INFO] [stdout]   --> src/instruction.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Instruction {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 13 |     pub f: IFn,
[INFO] [stdout] 14 |     pub description: String,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.25s
[INFO] running `Command { std: "docker" "inspect" "558eb99abe3f4d8b0c17531ffe27ae2b46a655993b038567da115f548cda484c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "558eb99abe3f4d8b0c17531ffe27ae2b46a655993b038567da115f548cda484c", kill_on_drop: false }`
[INFO] [stdout] 558eb99abe3f4d8b0c17531ffe27ae2b46a655993b038567da115f548cda484c