[INFO] cloning repository https://github.com/frublox/gbemu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/frublox/gbemu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrublox%2Fgbemu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrublox%2Fgbemu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d54f2f94d9d985be69a15e2f4e67b833b7b7ced0
[INFO] checking frublox/gbemu against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrublox%2Fgbemu" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/frublox/gbemu on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/frublox/gbemu
[INFO] finished tweaking git repo https://github.com/frublox/gbemu
[INFO] tweaked toml for git repo https://github.com/frublox/gbemu written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/frublox/gbemu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 95c806ed791bdc74dd0d3e49dfd12cdaf48e58586dbb819ae2dd9e107435c750
[INFO] running `Command { std: "docker" "start" "-a" "95c806ed791bdc74dd0d3e49dfd12cdaf48e58586dbb819ae2dd9e107435c750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95c806ed791bdc74dd0d3e49dfd12cdaf48e58586dbb819ae2dd9e107435c750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95c806ed791bdc74dd0d3e49dfd12cdaf48e58586dbb819ae2dd9e107435c750", kill_on_drop: false }`
[INFO] [stdout] 95c806ed791bdc74dd0d3e49dfd12cdaf48e58586dbb819ae2dd9e107435c750
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b3d87b9fc405ade9b8235dca3efeace3a3a5edb2911c2501145b7ab143150cde
[INFO] running `Command { std: "docker" "start" "-a" "b3d87b9fc405ade9b8235dca3efeace3a3a5edb2911c2501145b7ab143150cde", kill_on_drop: false }`
[INFO] [stderr]     Checking gbemu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `*`
[INFO] [stdout]  --> src/gameboy/instruction/tests/load.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::gameboy::{*};
[INFO] [stdout]   |                      ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::super::step::step`
[INFO] [stdout]  --> src/gameboy/instruction/tests/load.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use super::super::step::step;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::utils::load_instr`
[INFO] [stdout]  --> src/gameboy/instruction/tests/load.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use super::utils::load_instr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::super::step`
[INFO] [stdout]  --> src/gameboy/instruction/tests/arith.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::super::step;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::utils::load_instr`
[INFO] [stdout]  --> src/gameboy/instruction/tests/arith.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use super::utils::load_instr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gb`
[INFO] [stdout]   --> src/gameboy/instruction/exec.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn daa(gb: &mut Gameboy) {
[INFO] [stdout]    |            ^^ help: if this is intentional, prefix it with an underscore: `_gb`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `IO_IE`
[INFO] [stdout]   --> src/gameboy/gameboy.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub const IO_IE: usize = 0xff;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `load_instr`
[INFO] [stdout]  --> src/gameboy/instruction/tests/utils.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn load_instr(gb: &mut Gameboy, bytes: Vec<u8>) {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gb`
[INFO] [stdout]   --> src/gameboy/instruction/exec.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn daa(gb: &mut Gameboy) {
[INFO] [stdout]    |            ^^ help: if this is intentional, prefix it with an underscore: `_gb`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `IO_IE`
[INFO] [stdout]   --> src/gameboy/gameboy.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub const IO_IE: usize = 0xff;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "b3d87b9fc405ade9b8235dca3efeace3a3a5edb2911c2501145b7ab143150cde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3d87b9fc405ade9b8235dca3efeace3a3a5edb2911c2501145b7ab143150cde", kill_on_drop: false }`
[INFO] [stdout] b3d87b9fc405ade9b8235dca3efeace3a3a5edb2911c2501145b7ab143150cde