[INFO] cloning repository https://github.com/beatdjam/rusty-mikan-os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/beatdjam/rusty-mikan-os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeatdjam%2Frusty-mikan-os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeatdjam%2Frusty-mikan-os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c22c2025604690eed91387f9280ca15d98d5fee3
[INFO] testing beatdjam/rusty-mikan-os against beta-2026-04-21 for beta-1.96-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeatdjam%2Frusty-mikan-os" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/beatdjam/rusty-mikan-os
[INFO] finished tweaking git repo https://github.com/beatdjam/rusty-mikan-os
[INFO] tweaked toml for git repo https://github.com/beatdjam/rusty-mikan-os written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/beatdjam/rusty-mikan-os on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/beatdjam/rusty-mikan-os 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing beatdjam/rusty-mikan-os against beta-2026-04-21 for beta-1.96-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeatdjam%2Frusty-mikan-os" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/beatdjam/rusty-mikan-os
[INFO] finished tweaking git repo https://github.com/beatdjam/rusty-mikan-os
[INFO] tweaked toml for git repo https://github.com/beatdjam/rusty-mikan-os written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/beatdjam/rusty-mikan-os on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/beatdjam/rusty-mikan-os 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-2026-04-21" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ptr_meta v0.2.0
[INFO] [stderr]   Downloaded uefi-services v0.21.0
[INFO] [stderr]   Downloaded bit_field v0.10.2
[INFO] [stderr]   Downloaded uguid v2.0.1
[INFO] [stderr]   Downloaded ucs2 v0.3.2
[INFO] [stderr]   Downloaded uefi v0.24.0
[INFO] [stderr]   Downloaded uefi-macros v0.12.0
[INFO] [stderr]   Downloaded uefi-raw v0.3.0
[INFO] [stderr]   Downloaded ptr_meta_derive v0.2.0
[INFO] [stderr]   Downloaded syn v2.0.36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f898330dcc1c6caa2c5b13a2dcce3228e3fa96d32bcfb74b594ee0a8e0f80bf0
[INFO] running `Command { std: "docker" "start" "-a" "f898330dcc1c6caa2c5b13a2dcce3228e3fa96d32bcfb74b594ee0a8e0f80bf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f898330dcc1c6caa2c5b13a2dcce3228e3fa96d32bcfb74b594ee0a8e0f80bf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f898330dcc1c6caa2c5b13a2dcce3228e3fa96d32bcfb74b594ee0a8e0f80bf0", kill_on_drop: false }`
[INFO] [stdout] f898330dcc1c6caa2c5b13a2dcce3228e3fa96d32bcfb74b594ee0a8e0f80bf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d595e7a0d9409a1dcce2b202c53d3570f593e5616e5083725a83c76709f8866
[INFO] running `Command { std: "docker" "start" "-a" "3d595e7a0d9409a1dcce2b202c53d3570f593e5616e5083725a83c76709f8866", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling bit_field v0.10.2
[INFO] [stderr]    Compiling bitflags v2.4.0
[INFO] [stderr]    Compiling uguid v2.0.1
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling ucs2 v0.3.2
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.36
[INFO] [stderr]    Compiling uefi-macros v0.12.0
[INFO] [stderr]    Compiling ptr_meta_derive v0.2.0
[INFO] [stderr]    Compiling ptr_meta v0.2.0
[INFO] [stderr]    Compiling uefi-raw v0.3.0
[INFO] [stderr]    Compiling uefi v0.24.0
[INFO] [stderr]    Compiling uefi-services v0.21.0
[INFO] [stderr]    Compiling rusty-mikan-os 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 `rusty-mikan-os` (bin "rusty-mikan-os") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "3d595e7a0d9409a1dcce2b202c53d3570f593e5616e5083725a83c76709f8866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d595e7a0d9409a1dcce2b202c53d3570f593e5616e5083725a83c76709f8866", kill_on_drop: false }`
[INFO] [stdout] 3d595e7a0d9409a1dcce2b202c53d3570f593e5616e5083725a83c76709f8866