[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#83dcdb3a5dad0ed1e3e1fadc848d3f7727b41aa5 for pr-128425
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshrenikbhatt%2Fcpu-emulator" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shrenikbhatt/cpu-emulator on toolchain 83dcdb3a5dad0ed1e3e1fadc848d3f7727b41aa5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+83dcdb3a5dad0ed1e3e1fadc848d3f7727b41aa5" "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-3-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" "+83dcdb3a5dad0ed1e3e1fadc848d3f7727b41aa5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+83dcdb3a5dad0ed1e3e1fadc848d3f7727b41aa5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 155e96e7cf4246d1d5584a1baeec483e9c78c2567e68dd036725d8d387956569
[INFO] running `Command { std: "docker" "start" "-a" "155e96e7cf4246d1d5584a1baeec483e9c78c2567e68dd036725d8d387956569", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "155e96e7cf4246d1d5584a1baeec483e9c78c2567e68dd036725d8d387956569", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "155e96e7cf4246d1d5584a1baeec483e9c78c2567e68dd036725d8d387956569", kill_on_drop: false }`
[INFO] [stdout] 155e96e7cf4246d1d5584a1baeec483e9c78c2567e68dd036725d8d387956569
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+83dcdb3a5dad0ed1e3e1fadc848d3f7727b41aa5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/image/overlay2/layerdb/mounts/be791b06085ad830220e40a2a9d32131253db2e1ab3a5ddcb4abeeba86f8a8f9: no space left on device
[INFO] checking shrenikbhatt/cpu-emulator against try#063c08dd8db6ff113bb809c130456f1781abe72c for pr-128425
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshrenikbhatt%2Fcpu-emulator" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shrenikbhatt/cpu-emulator on toolchain 063c08dd8db6ff113bb809c130456f1781abe72c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+063c08dd8db6ff113bb809c130456f1781abe72c" "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-3-tc2/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" "+063c08dd8db6ff113bb809c130456f1781abe72c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+063c08dd8db6ff113bb809c130456f1781abe72c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b370bc7f3dfb4a4b8215aae0053192635e4788a96b2251fc463a312da31e060
[INFO] running `Command { std: "docker" "start" "-a" "9b370bc7f3dfb4a4b8215aae0053192635e4788a96b2251fc463a312da31e060", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b370bc7f3dfb4a4b8215aae0053192635e4788a96b2251fc463a312da31e060", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b370bc7f3dfb4a4b8215aae0053192635e4788a96b2251fc463a312da31e060", kill_on_drop: false }`
[INFO] [stdout] 9b370bc7f3dfb4a4b8215aae0053192635e4788a96b2251fc463a312da31e060
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+063c08dd8db6ff113bb809c130456f1781abe72c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ffe560bd0e3796d887a4939f1f3259a411dba85949e7139b1fd3eb4b9ff0430
[INFO] running `Command { std: "docker" "start" "-a" "8ffe560bd0e3796d887a4939f1f3259a411dba85949e7139b1fd3eb4b9ff0430", 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: 2 warnings emitted
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "8ffe560bd0e3796d887a4939f1f3259a411dba85949e7139b1fd3eb4b9ff0430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ffe560bd0e3796d887a4939f1f3259a411dba85949e7139b1fd3eb4b9ff0430", kill_on_drop: false }`
[INFO] [stdout] 8ffe560bd0e3796d887a4939f1f3259a411dba85949e7139b1fd3eb4b9ff0430