[INFO] fetching crate gd32vf103xx-hal 0.5.0... [INFO] testing gd32vf103xx-hal-0.5.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] extracting crate gd32vf103xx-hal 0.5.0 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate gd32vf103xx-hal 0.5.0 [INFO] finished tweaking crates.io crate gd32vf103xx-hal 0.5.0 [INFO] tweaked toml for crates.io crate gd32vf103xx-hal 0.5.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate gd32vf103xx-hal 0.5.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 24 packages to latest compatible versions [INFO] [stderr] Adding cast v0.2.7 (available: v0.3.0) [INFO] [stderr] Adding embedded-dma v0.1.2 (available: v0.2.0) [INFO] [stderr] Adding embedded-hal v0.2.7 (available: v1.0.0) [INFO] [stderr] Adding gd32vf103-pac v0.4.0 (available: v0.5.0) [INFO] [stderr] Adding nb v0.1.3 (available: v1.1.0) [INFO] [stderr] Adding riscv v0.6.0 (available: v0.14.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded riscv v0.6.0 [INFO] [stderr] Downloaded embedded-dma v0.1.2 [INFO] [stderr] Downloaded riscv-target v0.1.2 [INFO] [stderr] Downloaded gd32vf103-pac v0.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2dbbd1722c4bb8feaca5e507edbd9309463eec296cefa42e636287b85f46dbbd [INFO] running `Command { std: "docker" "start" "-a" "2dbbd1722c4bb8feaca5e507edbd9309463eec296cefa42e636287b85f46dbbd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2dbbd1722c4bb8feaca5e507edbd9309463eec296cefa42e636287b85f46dbbd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2dbbd1722c4bb8feaca5e507edbd9309463eec296cefa42e636287b85f46dbbd", kill_on_drop: false }` [INFO] [stdout] 2dbbd1722c4bb8feaca5e507edbd9309463eec296cefa42e636287b85f46dbbd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 7aadb7d1be0a381277fcb1fd9db64685b6ff61094891abeeafca57d09aaa1a46 [INFO] running `Command { std: "docker" "start" "-a" "7aadb7d1be0a381277fcb1fd9db64685b6ff61094891abeeafca57d09aaa1a46", kill_on_drop: false }` [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling regex-syntax v0.8.5 [INFO] [stderr] Compiling bit_field v0.10.2 [INFO] [stderr] Compiling nb v0.1.3 [INFO] [stderr] Compiling stable_deref_trait v1.2.0 [INFO] [stderr] Compiling bare-metal v0.2.5 [INFO] [stderr] Compiling gd32vf103xx-hal v0.5.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Compiling embedded-dma v0.1.2 [INFO] [stderr] Compiling embedded-hal v0.2.7 [INFO] [stderr] Compiling regex-automata v0.4.9 [INFO] [stderr] Compiling regex v1.11.1 [INFO] [stderr] Compiling riscv-target v0.1.2 [INFO] [stderr] Compiling riscv v0.6.0 [INFO] [stderr] Compiling gd32vf103-pac v0.4.0 [INFO] [stdout] error: assigning to `&T` is undefined behavior, consider using an `UnsafeCell` [INFO] [stdout] --> src/serial.rs:422:17 [INFO] [stdout] | [INFO] [stdout] 422 | ptr::write_volatile(&(*USART::ptr()).data as *const _ as *mut _, byte) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: for more information, visit [INFO] [stdout] = note: even for types with interior mutability, the only legal way to obtain a mutable pointer from a shared reference is through `UnsafeCell::get` [INFO] [stdout] = note: `#[deny(invalid_reference_casting)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `gd32vf103xx-hal` (lib) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "7aadb7d1be0a381277fcb1fd9db64685b6ff61094891abeeafca57d09aaa1a46", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7aadb7d1be0a381277fcb1fd9db64685b6ff61094891abeeafca57d09aaa1a46", kill_on_drop: false }` [INFO] [stdout] 7aadb7d1be0a381277fcb1fd9db64685b6ff61094891abeeafca57d09aaa1a46