[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] testing isNozo/x86_emu against master#7704328ba5ae8d6ce0ac303c9d5a1a1605906766 for pr-146989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FisNozo%2Fx86_emu" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[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-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/isNozo/x86_emu on toolchain 7704328ba5ae8d6ce0ac303c9d5a1a1605906766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/isNozo/x86_emu 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" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ce4dd773abe8d5246556402161befe8aae2da1149447ff916637410da6737eb
[INFO] running `Command { std: "docker" "start" "-a" "6ce4dd773abe8d5246556402161befe8aae2da1149447ff916637410da6737eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ce4dd773abe8d5246556402161befe8aae2da1149447ff916637410da6737eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ce4dd773abe8d5246556402161befe8aae2da1149447ff916637410da6737eb", kill_on_drop: false }`
[INFO] [stdout] 6ce4dd773abe8d5246556402161befe8aae2da1149447ff916637410da6737eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0d05d14d28d830632ad3b9d81bc794fa803be142288d24dce9660943969e636
[INFO] running `Command { std: "docker" "start" "-a" "d0d05d14d28d830632ad3b9d81bc794fa803be142288d24dce9660943969e636", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] error: could not compile `x86_emu` (bin "x86_emu"); 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/7704328ba5ae8d6ce0ac303c9d5a1a1605906766/bin/rustc --crate-name x86_emu --edition=2018 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=e7b517cb109bcd3a -C extra-filename=-b414555552ad3223 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "d0d05d14d28d830632ad3b9d81bc794fa803be142288d24dce9660943969e636", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0d05d14d28d830632ad3b9d81bc794fa803be142288d24dce9660943969e636", kill_on_drop: false }`
[INFO] [stdout] d0d05d14d28d830632ad3b9d81bc794fa803be142288d24dce9660943969e636