[INFO] cloning repository https://github.com/shrenikbhatt/cpu-emulator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shrenikbhatt/cpu-emulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshrenikbhatt%2Fcpu-emulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshrenikbhatt%2Fcpu-emulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e7a2a95712b6d13fbe47c9cc723a557f25691b7f
[INFO] checking shrenikbhatt/cpu-emulator against master#be181dd75c83d72fcc95538e235768bc367b76b9 for pr-140208
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshrenikbhatt%2Fcpu-emulator" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shrenikbhatt/cpu-emulator on toolchain be181dd75c83d72fcc95538e235768bc367b76b9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+be181dd75c83d72fcc95538e235768bc367b76b9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shrenikbhatt/cpu-emulator
[INFO] finished tweaking git repo https://github.com/shrenikbhatt/cpu-emulator
[INFO] tweaked toml for git repo https://github.com/shrenikbhatt/cpu-emulator written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/shrenikbhatt/cpu-emulator 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" "+be181dd75c83d72fcc95538e235768bc367b76b9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+be181dd75c83d72fcc95538e235768bc367b76b9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2797b5fc752849d9acc85e53a449d014d2a50cac9de73ddc2ae06a660d756e2b
[INFO] running `Command { std: "docker" "start" "-a" "2797b5fc752849d9acc85e53a449d014d2a50cac9de73ddc2ae06a660d756e2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2797b5fc752849d9acc85e53a449d014d2a50cac9de73ddc2ae06a660d756e2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2797b5fc752849d9acc85e53a449d014d2a50cac9de73ddc2ae06a660d756e2b", kill_on_drop: false }`
[INFO] [stdout] 2797b5fc752849d9acc85e53a449d014d2a50cac9de73ddc2ae06a660d756e2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+be181dd75c83d72fcc95538e235768bc367b76b9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e450b8bebdcedc011ccc825a6027d9bc671e099cad239a0063560f0a70483eb1
[INFO] running `Command { std: "docker" "start" "-a" "e450b8bebdcedc011ccc825a6027d9bc671e099cad239a0063560f0a70483eb1", kill_on_drop: false }`
[INFO] [stderr]     Checking cpu-emulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/cpu.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cpu`
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let cpu: cpu::Cpu = cpu::Cpu::new();
[INFO] [stdout]   |         ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cpu`
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let cpu: cpu::Cpu = cpu::Cpu::new();
[INFO] [stdout]   |         ^^^ help: if this is intentional, prefix it with an underscore: `_cpu`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/cpu_emulator-0adb27b1308cadae.d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to write `/opt/rustwide/target/debug/.fingerprint/cpu-emulator-0adb27b1308cadae/dep-test-bin-cpu-emulator`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "e450b8bebdcedc011ccc825a6027d9bc671e099cad239a0063560f0a70483eb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e450b8bebdcedc011ccc825a6027d9bc671e099cad239a0063560f0a70483eb1", kill_on_drop: false }`
[INFO] [stdout] e450b8bebdcedc011ccc825a6027d9bc671e099cad239a0063560f0a70483eb1