[INFO] fetching crate pluggable_interrupt_os 0.5.3...
[INFO] building pluggable_interrupt_os-0.5.3 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate pluggable_interrupt_os 0.5.3 into /workspace/builds/worker-6-tc1/source
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate pluggable_interrupt_os 0.5.3
[INFO] finished tweaking crates.io crate pluggable_interrupt_os 0.5.3
[INFO] tweaked toml for crates.io crate pluggable_interrupt_os 0.5.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pluggable_interrupt_os 0.5.3 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pluggable_interrupt_os 0.5.3 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uart_16550 v0.3.2
[INFO] [stderr]   Downloaded volatile v0.4.6
[INFO] [stderr]   Downloaded pc-keyboard v0.8.0
[INFO] [stderr]   Downloaded bootloader v0.9.30
[INFO] [stderr]   Downloaded volatile v0.3.0
[INFO] [stderr]   Downloaded raw-cpuid v10.7.0
[INFO] [stderr]   Downloaded x86_64 v0.15.2
[INFO] [stderr]   Downloaded pic8259 v0.11.0
[INFO] [stderr]   Downloaded x86 v0.52.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef5a9d320f25952eb6668ea2bcba68050ec6be80d0b2428618dc5499fb570dff
[INFO] running `Command { std: "docker" "start" "-a" "ef5a9d320f25952eb6668ea2bcba68050ec6be80d0b2428618dc5499fb570dff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef5a9d320f25952eb6668ea2bcba68050ec6be80d0b2428618dc5499fb570dff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef5a9d320f25952eb6668ea2bcba68050ec6be80d0b2428618dc5499fb570dff", kill_on_drop: false }`
[INFO] [stdout] ef5a9d320f25952eb6668ea2bcba68050ec6be80d0b2428618dc5499fb570dff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5020d227aa476af5e6e76229b3e25e98044db3525256b0db879a81390a0f787f
[INFO] running `Command { std: "docker" "start" "-a" "5020d227aa476af5e6e76229b3e25e98044db3525256b0db879a81390a0f787f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.20
[INFO] [stderr]    Compiling x86 v0.52.0
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling volatile v0.4.6
[INFO] [stderr]    Compiling bootloader v0.9.30
[INFO] [stderr]    Compiling pc-keyboard v0.8.0
[INFO] [stderr]    Compiling volatile v0.3.0
[INFO] [stderr]    Compiling raw-cpuid v10.7.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling x86_64 v0.15.2
[INFO] [stderr]    Compiling uart_16550 v0.3.2
[INFO] [stderr]    Compiling pic8259 v0.11.0
[INFO] [stderr]    Compiling pluggable_interrupt_os v0.5.3 (/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 `pluggable_interrupt_os` (bin "pluggable_interrupt_os") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "5020d227aa476af5e6e76229b3e25e98044db3525256b0db879a81390a0f787f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5020d227aa476af5e6e76229b3e25e98044db3525256b0db879a81390a0f787f", kill_on_drop: false }`
[INFO] [stdout] 5020d227aa476af5e6e76229b3e25e98044db3525256b0db879a81390a0f787f