[INFO] cloning repository https://github.com/LittleTealeaf/CSC-310-Operating-System
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LittleTealeaf/CSC-310-Operating-System" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLittleTealeaf%2FCSC-310-Operating-System", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLittleTealeaf%2FCSC-310-Operating-System'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 797a61edb1690d523c76183be5ffc730bf959535
[INFO] checking LittleTealeaf/CSC-310-Operating-System against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLittleTealeaf%2FCSC-310-Operating-System" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/LittleTealeaf/CSC-310-Operating-System
[INFO] finished tweaking git repo https://github.com/LittleTealeaf/CSC-310-Operating-System
[INFO] tweaked toml for git repo https://github.com/LittleTealeaf/CSC-310-Operating-System written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/LittleTealeaf/CSC-310-Operating-System on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/LittleTealeaf/CSC-310-Operating-System 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0db4842118901d636fa52ef395845879074ba1228e2b093615d5b8471e4e0ff
[INFO] running `Command { std: "docker" "start" "-a" "a0db4842118901d636fa52ef395845879074ba1228e2b093615d5b8471e4e0ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0db4842118901d636fa52ef395845879074ba1228e2b093615d5b8471e4e0ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0db4842118901d636fa52ef395845879074ba1228e2b093615d5b8471e4e0ff", kill_on_drop: false }`
[INFO] [stdout] a0db4842118901d636fa52ef395845879074ba1228e2b093615d5b8471e4e0ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 458c4810e1d2dafce70a5b71bfd420c87fbf5787c5b6ff88c7ee67e711ed1460
[INFO] running `Command { std: "docker" "start" "-a" "458c4810e1d2dafce70a5b71bfd420c87fbf5787c5b6ff88c7ee67e711ed1460", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking operating_system v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `CPU` is never constructed
[INFO] [stdout]    --> src/main.rs:125:12
[INFO] [stdout]     |
[INFO] [stdout] 125 | pub struct CPU {
[INFO] [stdout]     |            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]     = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `operating_system` (bin "operating_system" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "458c4810e1d2dafce70a5b71bfd420c87fbf5787c5b6ff88c7ee67e711ed1460", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "458c4810e1d2dafce70a5b71bfd420c87fbf5787c5b6ff88c7ee67e711ed1460", kill_on_drop: false }`
[INFO] [stdout] 458c4810e1d2dafce70a5b71bfd420c87fbf5787c5b6ff88c7ee67e711ed1460
