[INFO] fetching crate rp2040-bootsel-via-double-reset 0.0.1...
[INFO] testing rp2040-bootsel-via-double-reset-0.0.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rp2040-bootsel-via-double-reset 0.0.1 into /workspace/builds/worker-6-tc2/source
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate rp2040-bootsel-via-double-reset 0.0.1
[INFO] finished tweaking crates.io crate rp2040-bootsel-via-double-reset 0.0.1
[INFO] tweaked toml for crates.io crate rp2040-bootsel-via-double-reset 0.0.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rp2040-bootsel-via-double-reset 0.0.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 40 packages to latest compatible versions
[INFO] [stderr]       Adding embedded-hal v0.2.7 (available: v1.0.0)
[INFO] [stderr]       Adding rp2040-hal v0.9.2 (available: v0.12.0)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] aeb349e2c21b5189aacc5df564e27c862d5d8fa1ff32a59b30446cacb8d94058
[INFO] running `Command { std: "docker" "start" "-a" "aeb349e2c21b5189aacc5df564e27c862d5d8fa1ff32a59b30446cacb8d94058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aeb349e2c21b5189aacc5df564e27c862d5d8fa1ff32a59b30446cacb8d94058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aeb349e2c21b5189aacc5df564e27c862d5d8fa1ff32a59b30446cacb8d94058", kill_on_drop: false }`
[INFO] [stdout] aeb349e2c21b5189aacc5df564e27c862d5d8fa1ff32a59b30446cacb8d94058
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 58bb01214872f931399ad9a8a4b3b8893e67dbb441a8aec974c866a7c2b93489
[INFO] running `Command { std: "docker" "start" "-a" "58bb01214872f931399ad9a8a4b3b8893e67dbb441a8aec974c866a7c2b93489", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling frunk_core v0.4.4
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling cortex-m-rt v0.7.5
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling rp2040-pac v0.5.0
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling critical-section v1.2.0
[INFO] [stderr]    Compiling gcd v2.3.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling volatile-register v0.2.2
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-dma v0.2.0
[INFO] [stderr]    Compiling usb-device v0.2.9
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling fugit v0.3.9
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling frunk_proc_macro_helpers v0.1.4
[INFO] [stderr]    Compiling num_enum_derive v0.5.11
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.5
[INFO] [stderr]    Compiling frunk_derives v0.4.4
[INFO] [stderr]    Compiling frunk v0.4.4
[INFO] [stderr]    Compiling num_enum v0.5.11
[INFO] [stderr]    Compiling pio v0.2.1
[INFO] [stderr]    Compiling rp2040-hal-macros v0.1.0
[INFO] [stderr]    Compiling rp2040-hal v0.9.2
[INFO] [stderr]    Compiling rp2040-bootsel-via-double-reset v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: formatting may not be suitable for sub-register argument
[INFO] [stdout]   --> src/lib.rs:16:18
[INFO] [stdout]    |
[INFO] [stdout] 16 |             "ldr {flag}, [{addr}]",
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout] 17 |             addr  = in(reg) FLAG.as_ptr(),
[INFO] [stdout] 18 |             flag = out(reg) flag,
[INFO] [stdout]    |                             ---- for this argument
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `{1:e}` to have the register formatted as `eax` (for 32-bit values)
[INFO] [stdout]    = help: or use `{1:r}` to keep the default formatting of `rax` (for 64-bit values)
[INFO] [stdout]    = note: `#[warn(asm_sub_register)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: formatting may not be suitable for sub-register argument
[INFO] [stdout]   --> src/lib.rs:33:22
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 "str {value}, [{addr}]",
[INFO] [stdout]    |                      ^^^^^^^
[INFO] [stdout] 34 |                 addr = in(reg) FLAG.as_ptr(),
[INFO] [stdout] 35 |                 value = in(reg) value,
[INFO] [stdout]    |                                 ----- for this argument
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `{1:e}` to have the register formatted as `eax` (for 32-bit values)
[INFO] [stdout]    = help: or use `{1:r}` to keep the default formatting of `rax` (for 64-bit values)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: formatting may not be suitable for sub-register argument
[INFO] [stdout]   --> src/lib.rs:43:22
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 "str {value}, [{addr}]",
[INFO] [stdout]    |                      ^^^^^^^
[INFO] [stdout] 44 |                 addr = in(reg) FLAG.as_ptr(),
[INFO] [stdout] 45 |                 value = in(reg) value,
[INFO] [stdout]    |                                 ----- for this argument
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `{1:e}` to have the register formatted as `eax` (for 32-bit values)
[INFO] [stdout]    = help: or use `{1:r}` to keep the default formatting of `rax` (for 64-bit values)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/lib.rs:17:29
[INFO] [stdout]    |
[INFO] [stdout] 17 |             addr  = in(reg) FLAG.as_ptr(),
[INFO] [stdout]    |                             ^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> src/lib.rs:23:18
[INFO] [stdout]    |
[INFO] [stdout] 23 |         unsafe { FLAG.write(0) };
[INFO] [stdout]    |                  ^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/lib.rs:34:32
[INFO] [stdout]    |
[INFO] [stdout] 34 |                 addr = in(reg) FLAG.as_ptr(),
[INFO] [stdout]    |                                ^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/lib.rs:44:32
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 addr = in(reg) FLAG.as_ptr(),
[INFO] [stdout]    |                                ^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid instruction mnemonic 'ldr'
[INFO] [stdout]   --> src/lib.rs:16:14
[INFO] [stdout]    |
[INFO] [stdout] 16 |             "ldr {flag}, [{addr}]",
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: instantiated into assembly here
[INFO] [stdout]   --> <inline asm>:2:2
[INFO] [stdout]    |
[INFO] [stdout]  2 |     ldr rax, [rcx]
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid operand for instruction
[INFO] [stdout]   --> src/lib.rs:33:18
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 "str {value}, [{addr}]",
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: instantiated into assembly here
[INFO] [stdout]   --> <inline asm>:2:2
[INFO] [stdout]    |
[INFO] [stdout]  2 |     str rcx, [rax]
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid operand for instruction
[INFO] [stdout]   --> src/lib.rs:43:18
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 "str {value}, [{addr}]",
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: instantiated into assembly here
[INFO] [stdout]   --> <inline asm>:2:2
[INFO] [stdout]    |
[INFO] [stdout]  2 |     str rcx, [rax]
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rp2040-bootsel-via-double-reset` (lib) due to 3 previous errors; 7 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "58bb01214872f931399ad9a8a4b3b8893e67dbb441a8aec974c866a7c2b93489", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58bb01214872f931399ad9a8a4b3b8893e67dbb441a8aec974c866a7c2b93489", kill_on_drop: false }`
[INFO] [stdout] 58bb01214872f931399ad9a8a4b3b8893e67dbb441a8aec974c866a7c2b93489
