[INFO] cloning repository https://github.com/munachianya/csc305-barestOS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/munachianya/csc305-barestOS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmunachianya%2Fcsc305-barestOS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmunachianya%2Fcsc305-barestOS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c2b6f5eeac40cc840480323f055655d77f099bff
[INFO] testing munachianya/csc305-barestOS against beta-2025-09-21 for beta-1.91-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmunachianya%2Fcsc305-barestOS" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  95% (523/545)
Updating files:  96% (524/545)
Updating files:  97% (529/545)
Updating files:  98% (535/545)
Updating files:  99% (540/545)
Updating files: 100% (545/545)
Updating files: 100% (545/545), done.
[INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/munachianya/csc305-barestOS
[INFO] finished tweaking git repo https://github.com/munachianya/csc305-barestOS
[INFO] tweaked toml for git repo https://github.com/munachianya/csc305-barestOS written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/munachianya/csc305-barestOS on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/munachianya/csc305-barestOS 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84ec65caf5e2a12b522d2c9153dc9cddc37f15b870bad138a751da3fa8920219
[INFO] running `Command { std: "docker" "start" "-a" "84ec65caf5e2a12b522d2c9153dc9cddc37f15b870bad138a751da3fa8920219", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84ec65caf5e2a12b522d2c9153dc9cddc37f15b870bad138a751da3fa8920219", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84ec65caf5e2a12b522d2c9153dc9cddc37f15b870bad138a751da3fa8920219", kill_on_drop: false }`
[INFO] [stdout] 84ec65caf5e2a12b522d2c9153dc9cddc37f15b870bad138a751da3fa8920219
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9c7aa3fcd6a14982c04938dc637e7b26f7499377053a109eec25eb724abd9b9
[INFO] running `Command { std: "docker" "start" "-a" "d9c7aa3fcd6a14982c04938dc637e7b26f7499377053a109eec25eb724abd9b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling bootloader v0.9.23
[INFO] [stderr]    Compiling barest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `barest` (bin "barest") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "d9c7aa3fcd6a14982c04938dc637e7b26f7499377053a109eec25eb724abd9b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9c7aa3fcd6a14982c04938dc637e7b26f7499377053a109eec25eb724abd9b9", kill_on_drop: false }`
[INFO] [stdout] d9c7aa3fcd6a14982c04938dc637e7b26f7499377053a109eec25eb724abd9b9