[INFO] fetching crate rucos-cortex-m 0.3.0...
[INFO] testing rucos-cortex-m-0.3.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rucos-cortex-m 0.3.0 into /workspace/builds/worker-6-tc2/source
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate rucos-cortex-m 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rucos-cortex-m 0.3.0
[INFO] tweaked toml for crates.io crate rucos-cortex-m 0.3.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rucos-cortex-m 0.3.0 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] crate crates.io crate rucos-cortex-m 0.3.0 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-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] 044ae655deac9c96d94e568f58d1faed76477ceda1805de3e06e6f7403d121ca
[INFO] running `Command { std: "docker" "start" "-a" "044ae655deac9c96d94e568f58d1faed76477ceda1805de3e06e6f7403d121ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "044ae655deac9c96d94e568f58d1faed76477ceda1805de3e06e6f7403d121ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "044ae655deac9c96d94e568f58d1faed76477ceda1805de3e06e6f7403d121ca", kill_on_drop: false }`
[INFO] [stdout] 044ae655deac9c96d94e568f58d1faed76477ceda1805de3e06e6f7403d121ca
[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] b6bba19c07c592e950041ca85e70439a3deba99fa59bc1b06b207a51241a5b67
[INFO] running `Command { std: "docker" "start" "-a" "b6bba19c07c592e950041ca85e70439a3deba99fa59bc1b06b207a51241a5b67", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling naked-function v0.1.5
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling critical-section v1.2.0
[INFO] [stderr]    Compiling naked-function-macro v0.1.5
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling volatile-register v0.2.2
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling rucos v0.3.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling rucos-cortex-m v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: formatting may not be suitable for sub-register argument
[INFO] [stdout]    --> src/lib.rs:96:25
[INFO] [stdout]     |
[INFO] [stdout]  96 |             "mov    r0, {tmp}",            // Get first task stack pointer
[INFO] [stdout]     |                         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |             tmp = in(reg) first_task_stack_ptr,
[INFO] [stdout]     |                           -------------------- for this argument
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `{0:e}` to have the register formatted as `eax` (for 32-bit values)
[INFO] [stdout]     = help: or use `{0: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] error: unknown directive
[INFO] [stdout]    |
[INFO] [stdout] note: instantiated into assembly here
[INFO] [stdout]   --> <inline asm>:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | .fpu fpv5-d16
[INFO] [stdout]    | ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid instruction mnemonic 'cpsid'
[INFO] [stdout]    |
[INFO] [stdout] note: instantiated into assembly here
[INFO] [stdout]   --> <inline asm>:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | cpsid     i
[INFO] [stdout]    | ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid instruction mnemonic 'mrs'
[INFO] [stdout]    |
[INFO] [stdout] note: instantiated into assembly here
[INFO] [stdout]   --> <inline asm>:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | mrs       r0, psp
[INFO] [stdout]    | ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid operand for instruction
[INFO] [stdout]    |
[INFO] [stdout] note: instantiated into assembly here
[INFO] [stdout]   --> <inline asm>:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | mov       r1, lr
[INFO] [stdout]    | ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown token in expression
[INFO] [stdout]    |
[INFO] [stdout] note: instantiated into assembly here
[INFO] [stdout]   --> <inline asm>:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 | tst       r14, #0x10
[INFO] [stdout]    |                ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid instruction mnemonic 'it'
[INFO] [stdout]    |
[INFO] [stdout] note: instantiated into assembly here
[INFO] [stdout]   --> <inline asm>:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | it        eq
[INFO] [stdout]    | ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token in argument list
[INFO] [stdout]    |
[INFO] [stdout] note: instantiated into assembly here
[INFO] [stdout]   --> <inline asm>:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 | vstmdbeq  r0!, {s16-s31}
[INFO] [stdout]    |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token in argument list
[INFO] [stdout]    |
[INFO] [stdout] note: instantiated into assembly here
[INFO] [stdout]   --> <inline asm>:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 | stmdb     r0!, {r4-r11, r14}
[INFO] [stdout]    |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Invalid rounding mode.
[INFO] [stdout]    |
[INFO] [stdout] note: instantiated into assembly here
[INFO] [stdout]   --> <inline asm>:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | push      {r1}
[INFO] [stdout]    |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid instruction mnemonic 'bl'
[INFO] [stdout]    |
[INFO] [stdout] note: instantiated into assembly here
[INFO] [stdout]   --> <inline asm>:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | bl        context_switch
[INFO] [stdout]    | ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Invalid rounding mode.
[INFO] [stdout]    |
[INFO] [stdout] note: instantiated into assembly here
[INFO] [stdout]   --> <inline asm>:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | pop       {r1}
[INFO] [stdout]    |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token in argument list
[INFO] [stdout]    |
[INFO] [stdout] note: instantiated into assembly here
[INFO] [stdout]   --> <inline asm>:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 | ldmia     r0!, {r4-r11, r14}
[INFO] [stdout]    |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown token in expression
[INFO] [stdout]    |
[INFO] [stdout] note: instantiated into assembly here
[INFO] [stdout]   --> <inline asm>:22:16
[INFO] [stdout]    |
[INFO] [stdout] 22 | tst       r14, #0x10
[INFO] [stdout]    |                ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid instruction mnemonic 'it'
[INFO] [stdout]    |
[INFO] [stdout] note: instantiated into assembly here
[INFO] [stdout]   --> <inline asm>:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | it        eq
[INFO] [stdout]    | ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token in argument list
[INFO] [stdout]    |
[INFO] [stdout] note: instantiated into assembly here
[INFO] [stdout]   --> <inline asm>:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 | vldmiaeq  r0!, {s16-s31}
[INFO] [stdout]    |             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid instruction mnemonic 'msr'
[INFO] [stdout]    |
[INFO] [stdout] note: instantiated into assembly here
[INFO] [stdout]   --> <inline asm>:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | msr       psp, r0
[INFO] [stdout]    | ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid instruction mnemonic 'cpsie'
[INFO] [stdout]    |
[INFO] [stdout] note: instantiated into assembly here
[INFO] [stdout]   --> <inline asm>:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | cpsie     i
[INFO] [stdout]    | ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid instruction mnemonic 'bx'
[INFO] [stdout]    |
[INFO] [stdout] note: instantiated into assembly here
[INFO] [stdout]   --> <inline asm>:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | bx        r1
[INFO] [stdout]    | ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid instruction mnemonic 'cpsid'
[INFO] [stdout]   --> src/lib.rs:95:14
[INFO] [stdout]    |
[INFO] [stdout] 95 |             "cpsid  i",                    // Disable interrupts
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: instantiated into assembly here
[INFO] [stdout]   --> <inline asm>:2:2
[INFO] [stdout]    |
[INFO] [stdout]  2 |     cpsid  i
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid instruction mnemonic 'msr'
[INFO] [stdout]   --> src/lib.rs:97:14
[INFO] [stdout]    |
[INFO] [stdout] 97 |             "msr    psp, r0",              // Write PSP
[INFO] [stdout]    |              ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: instantiated into assembly here
[INFO] [stdout]   --> <inline asm>:4:1
[INFO] [stdout]    |
[INFO] [stdout]  4 | msr    psp, r0
[INFO] [stdout]    | ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid instruction mnemonic 'mrs'
[INFO] [stdout]   --> src/lib.rs:98:14
[INFO] [stdout]    |
[INFO] [stdout] 98 |             "mrs    r1, control",          // Read CONTROL
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: instantiated into assembly here
[INFO] [stdout]   --> <inline asm>:5:1
[INFO] [stdout]    |
[INFO] [stdout]  5 | mrs    r1, control
[INFO] [stdout]    | ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown token in expression
[INFO] [stdout]   --> src/lib.rs:99:14
[INFO] [stdout]    |
[INFO] [stdout] 99 |             "orr    r1, r1, #2",           // Set SP = PSP
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: instantiated into assembly here
[INFO] [stdout]   --> <inline asm>:6:16
[INFO] [stdout]    |
[INFO] [stdout]  6 | orr    r1, r1, #2
[INFO] [stdout]    |                ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown token in expression
[INFO] [stdout]    --> src/lib.rs:100:14
[INFO] [stdout]     |
[INFO] [stdout] 100 |             "bic    r1, r1, #4",           // Clear FPCA (reset FPU)
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: instantiated into assembly here
[INFO] [stdout]    --> <inline asm>:7:16
[INFO] [stdout]     |
[INFO] [stdout]   7 | bic    r1, r1, #4
[INFO] [stdout]     |                ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid instruction mnemonic 'msr'
[INFO] [stdout]    --> src/lib.rs:101:14
[INFO] [stdout]     |
[INFO] [stdout] 101 |             "msr    control, r1",          // Write CONTROL
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: instantiated into assembly here
[INFO] [stdout]    --> <inline asm>:8:1
[INFO] [stdout]     |
[INFO] [stdout]   8 | msr    control, r1
[INFO] [stdout]     | ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid instruction mnemonic 'isb'
[INFO] [stdout]    --> src/lib.rs:102:14
[INFO] [stdout]     |
[INFO] [stdout] 102 |             "isb",                         // Sync instructions
[INFO] [stdout]     |              ^^^
[INFO] [stdout]     |
[INFO] [stdout] note: instantiated into assembly here
[INFO] [stdout]    --> <inline asm>:9:1
[INFO] [stdout]     |
[INFO] [stdout]   9 | isb
[INFO] [stdout]     | ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token in argument list
[INFO] [stdout]    --> src/lib.rs:103:14
[INFO] [stdout]     |
[INFO] [stdout] 103 |             "ldmia  sp!, {{r4-r11, r14}}", // Restore R4 - R11, LR
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: instantiated into assembly here
[INFO] [stdout]    --> <inline asm>:10:10
[INFO] [stdout]     |
[INFO] [stdout]  10 | ldmia  sp!, {r4-r11, r14}
[INFO] [stdout]     |          ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token in argument list
[INFO] [stdout]    --> src/lib.rs:104:14
[INFO] [stdout]     |
[INFO] [stdout] 104 |             "ldmia  sp!, {{r0-r3}}",       // Restore R0 - R3
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: instantiated into assembly here
[INFO] [stdout]    --> <inline asm>:11:10
[INFO] [stdout]     |
[INFO] [stdout]  11 | ldmia  sp!, {r0-r3}
[INFO] [stdout]     |          ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token in argument list
[INFO] [stdout]    --> src/lib.rs:105:14
[INFO] [stdout]     |
[INFO] [stdout] 105 |             "ldmia  sp!, {{r12, r14}}",    // Load R12 and LR
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: instantiated into assembly here
[INFO] [stdout]    --> <inline asm>:12:10
[INFO] [stdout]     |
[INFO] [stdout]  12 | ldmia  sp!, {r12, r14}
[INFO] [stdout]     |          ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected token in argument list
[INFO] [stdout]    --> src/lib.rs:106:14
[INFO] [stdout]     |
[INFO] [stdout] 106 |             "ldmia  sp!, {{r1, r2}}",      // Load PC and discard xPSR
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: instantiated into assembly here
[INFO] [stdout]    --> <inline asm>:13:10
[INFO] [stdout]     |
[INFO] [stdout]  13 | ldmia  sp!, {r1, r2}
[INFO] [stdout]     |          ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid instruction mnemonic 'cpsie'
[INFO] [stdout]    --> src/lib.rs:107:14
[INFO] [stdout]     |
[INFO] [stdout] 107 |             "cpsie  i",                    // Enable interrupts
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: instantiated into assembly here
[INFO] [stdout]    --> <inline asm>:14:1
[INFO] [stdout]     |
[INFO] [stdout]  14 | cpsie  i
[INFO] [stdout]     | ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid instruction mnemonic 'bx'
[INFO] [stdout]    --> src/lib.rs:108:14
[INFO] [stdout]     |
[INFO] [stdout] 108 |             "bx     r1",                   // Branch to first task
[INFO] [stdout]     |              ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: instantiated into assembly here
[INFO] [stdout]    --> <inline asm>:15:1
[INFO] [stdout]     |
[INFO] [stdout]  15 | bx     r1
[INFO] [stdout]     | ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rucos-cortex-m` (lib) due to 31 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "b6bba19c07c592e950041ca85e70439a3deba99fa59bc1b06b207a51241a5b67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6bba19c07c592e950041ca85e70439a3deba99fa59bc1b06b207a51241a5b67", kill_on_drop: false }`
[INFO] [stdout] b6bba19c07c592e950041ca85e70439a3deba99fa59bc1b06b207a51241a5b67
