[INFO] fetching crate ws63-rt 0.2.0...
[INFO] testing ws63-rt-0.2.0 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate ws63-rt 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate ws63-rt 0.2.0
[INFO] finished tweaking crates.io crate ws63-rt 0.2.0
[INFO] tweaked toml for crates.io crate ws63-rt 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ws63-rt 0.2.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ws63-rt 0.2.0 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ef5c539a98f2c446dd3d69120acad5a20678754328389a0eb23391d96eb9e1c8
[INFO] running `Command { std: "docker" "start" "ef5c539a98f2c446dd3d69120acad5a20678754328389a0eb23391d96eb9e1c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef5c539a98f2c446dd3d69120acad5a20678754328389a0eb23391d96eb9e1c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ef5c539a98f2c446dd3d69120acad5a20678754328389a0eb23391d96eb9e1c8" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef5c539a98f2c446dd3d69120acad5a20678754328389a0eb23391d96eb9e1c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ef5c539a98f2c446dd3d69120acad5a20678754328389a0eb23391d96eb9e1c8" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling riscv-target-parser v0.1.3
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling critical-section v1.2.0
[INFO] [stderr]    Compiling riscv v0.13.0
[INFO] [stderr]    Compiling embedded-hal v1.0.0
[INFO] [stderr]    Compiling ws63-pac v0.1.3
[INFO] [stderr]    Compiling riscv-pac v0.2.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling ws63-rt v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling riscv-rt v0.14.0
[INFO] [stderr]    Compiling riscv-macros v0.2.0
[INFO] [stderr]    Compiling riscv-rt-macros v0.4.0
[INFO] [stdout] error: invalid register `t0`: unknown register
[INFO] [stdout]   --> src/startup.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |             out("t0") _,
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ws63-rt` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ef5c539a98f2c446dd3d69120acad5a20678754328389a0eb23391d96eb9e1c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef5c539a98f2c446dd3d69120acad5a20678754328389a0eb23391d96eb9e1c8", kill_on_drop: false }`
[INFO] [stdout] ef5c539a98f2c446dd3d69120acad5a20678754328389a0eb23391d96eb9e1c8
