[INFO] fetching crate riscv-rt 0.16.0...
[INFO] testing riscv-rt-0.16.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate riscv-rt 0.16.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate riscv-rt 0.16.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate riscv-rt 0.16.0
[INFO] tweaked toml for crates.io crate riscv-rt 0.16.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate riscv-rt 0.16.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate riscv-rt 0.16.0 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-2025-10-28" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f260b6a8740d3476e1ed403312b08f37070da627f7365621d14b9fc6dd817ca6
[INFO] running `Command { std: "docker" "start" "-a" "f260b6a8740d3476e1ed403312b08f37070da627f7365621d14b9fc6dd817ca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f260b6a8740d3476e1ed403312b08f37070da627f7365621d14b9fc6dd817ca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f260b6a8740d3476e1ed403312b08f37070da627f7365621d14b9fc6dd817ca6", kill_on_drop: false }`
[INFO] [stdout] f260b6a8740d3476e1ed403312b08f37070da627f7365621d14b9fc6dd817ca6
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2290a7f5efb471f29eaa95ed34d9a3ba0ea2073140d509accdfaf723a5c3564
[INFO] running `Command { std: "docker" "start" "-a" "b2290a7f5efb471f29eaa95ed34d9a3ba0ea2073140d509accdfaf723a5c3564", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling riscv-target-parser v0.1.2
[INFO] [stderr]    Compiling critical-section v1.2.0
[INFO] [stderr]    Compiling embedded-hal v1.0.0
[INFO] [stderr]    Compiling riscv-pac v0.2.0
[INFO] [stderr]    Compiling riscv-rt v0.16.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling riscv-macros v0.3.0
[INFO] [stderr]    Compiling riscv-rt-macros v0.6.0
[INFO] [stderr]    Compiling riscv v0.15.0
[INFO] [stdout] warning: enum `Interrupt` is never used
[INFO] [stdout]   --> src/interrupts.rs:24:6
[INFO] [stdout]    |
[INFO] [stdout] 24 | enum Interrupt {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.05s
[INFO] running `Command { std: "docker" "inspect" "b2290a7f5efb471f29eaa95ed34d9a3ba0ea2073140d509accdfaf723a5c3564", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2290a7f5efb471f29eaa95ed34d9a3ba0ea2073140d509accdfaf723a5c3564", kill_on_drop: false }`
[INFO] [stdout] b2290a7f5efb471f29eaa95ed34d9a3ba0ea2073140d509accdfaf723a5c3564
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d03ed971f1568fe84ca8524a1870721ee91574df2cf5e27cf44639be57ee561
[INFO] running `Command { std: "docker" "start" "-a" "6d03ed971f1568fe84ca8524a1870721ee91574df2cf5e27cf44639be57ee561", kill_on_drop: false }`
[INFO] [stderr]    Compiling panic-halt v1.0.0
[INFO] [stdout] warning: enum `Interrupt` is never used
[INFO] [stdout]   --> src/interrupts.rs:24:6
[INFO] [stdout]    |
[INFO] [stdout] 24 | enum Interrupt {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling riscv-rt v0.16.0 (/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 `riscv-rt` (example "multi_core") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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] [stdout] warning: enum `Interrupt` is never used
[INFO] [stdout]   --> src/interrupts.rs:24:6
[INFO] [stdout]    |
[INFO] [stdout] 24 | enum Interrupt {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `riscv-rt` (example "empty") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "6d03ed971f1568fe84ca8524a1870721ee91574df2cf5e27cf44639be57ee561", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d03ed971f1568fe84ca8524a1870721ee91574df2cf5e27cf44639be57ee561", kill_on_drop: false }`
[INFO] [stdout] 6d03ed971f1568fe84ca8524a1870721ee91574df2cf5e27cf44639be57ee561