[INFO] cloning repository https://github.com/isNozo/x86_emu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/isNozo/x86_emu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FisNozo%2Fx86_emu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FisNozo%2Fx86_emu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 451e5717aece59a21c7e8de8fe386740bcef05d3
[INFO] checking isNozo/x86_emu against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FisNozo%2Fx86_emu" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/isNozo/x86_emu on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/isNozo/x86_emu
[INFO] finished tweaking git repo https://github.com/isNozo/x86_emu
[INFO] tweaked toml for git repo https://github.com/isNozo/x86_emu written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/isNozo/x86_emu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e61250eb41f0e9e8de8bb9fdcb56a5d21b2ba0ca1b17a63b16c51dd6c2f963e
[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" "0e61250eb41f0e9e8de8bb9fdcb56a5d21b2ba0ca1b17a63b16c51dd6c2f963e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e61250eb41f0e9e8de8bb9fdcb56a5d21b2ba0ca1b17a63b16c51dd6c2f963e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e61250eb41f0e9e8de8bb9fdcb56a5d21b2ba0ca1b17a63b16c51dd6c2f963e", kill_on_drop: false }`
[INFO] [stdout] 0e61250eb41f0e9e8de8bb9fdcb56a5d21b2ba0ca1b17a63b16c51dd6c2f963e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 010808c9d1e5a76480df1c21d9a124cd3afe573cd0adb11001938deb2b4fe617
[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" "010808c9d1e5a76480df1c21d9a124cd3afe573cd0adb11001938deb2b4fe617", kill_on_drop: false }`
[INFO] [stderr]     Checking x86_emu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `emu`
[INFO] [stdout]  --> src/modrm.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn parse_modrm(emu: &Emulator) -> ModRM {
[INFO] [stdout]   |                    ^^^ help: if this is intentional, prefix it with an underscore: `_emu`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `emu`
[INFO] [stdout]   --> src/modrm.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn set_rm32(emu: &mut Emulator, modrm: &ModRM, value: u32) {
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_emu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `modrm`
[INFO] [stdout]   --> src/modrm.rs:10:37
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn set_rm32(emu: &mut Emulator, modrm: &ModRM, value: u32) {
[INFO] [stdout]    |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_modrm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/modrm.rs:10:52
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn set_rm32(emu: &mut Emulator, modrm: &ModRM, value: u32) {
[INFO] [stdout]    |                                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `emu`
[INFO] [stdout]  --> src/modrm.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn parse_modrm(emu: &Emulator) -> ModRM {
[INFO] [stdout]   |                    ^^^ help: if this is intentional, prefix it with an underscore: `_emu`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `emu`
[INFO] [stdout]   --> src/modrm.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn set_rm32(emu: &mut Emulator, modrm: &ModRM, value: u32) {
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_emu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `modrm`
[INFO] [stdout]   --> src/modrm.rs:10:37
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn set_rm32(emu: &mut Emulator, modrm: &ModRM, value: u32) {
[INFO] [stdout]    |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_modrm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/modrm.rs:10:52
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn set_rm32(emu: &mut Emulator, modrm: &ModRM, value: u32) {
[INFO] [stdout]    |                                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "010808c9d1e5a76480df1c21d9a124cd3afe573cd0adb11001938deb2b4fe617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "010808c9d1e5a76480df1c21d9a124cd3afe573cd0adb11001938deb2b4fe617", kill_on_drop: false }`
[INFO] [stdout] 010808c9d1e5a76480df1c21d9a124cd3afe573cd0adb11001938deb2b4fe617