[INFO] fetching crate hopter 0.3.1...
[INFO] testing hopter-0.3.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate hopter 0.3.1 into /workspace/builds/worker-2-tc2/source
[INFO] removed /workspace/builds/worker-2-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain
[INFO] started tweaking crates.io crate hopter 0.3.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate hopter 0.3.1
[INFO] tweaked toml for crates.io crate hopter 0.3.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate hopter 0.3.1 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate hopter 0.3.1 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b02a9c655028c84eac100c6cac738478692241a14d44ebb1e27b34314d9c5686
[INFO] running `Command { std: "docker" "start" "-a" "b02a9c655028c84eac100c6cac738478692241a14d44ebb1e27b34314d9c5686", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b02a9c655028c84eac100c6cac738478692241a14d44ebb1e27b34314d9c5686", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b02a9c655028c84eac100c6cac738478692241a14d44ebb1e27b34314d9c5686", kill_on_drop: false }`
[INFO] [stdout] b02a9c655028c84eac100c6cac738478692241a14d44ebb1e27b34314d9c5686
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3ee70069f81f560b0c65b28fbfd93982552cc9d61e9b62d0b2c791745d7de60
[INFO] running `Command { std: "docker" "start" "-a" "c3ee70069f81f560b0c65b28fbfd93982552cc9d61e9b62d0b2c791745d7de60", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling int-enum v1.1.2
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling cortex-m-semihosting v0.5.0
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling hopter_conf_params v0.3.0
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling hopter v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling volatile-register v0.2.2
[INFO] [stderr]    Compiling gimli v0.29.0
[INFO] [stderr]    Compiling fallible-iterator v0.3.0
[INFO] [stderr]    Compiling intrusive-collections v0.9.7
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/intrusive-collections-0.9.7/src/lib.rs:270:34
[INFO] [stdout]     |
[INFO] [stdout] 270 | #![cfg_attr(feature = "nightly", feature(const_fn_trait_bound))]
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]     |
[INFO] [stdout]     = help: the feature `const_fn_trait_bound` has been stable since `1.61.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `__basepri_r` in module `crate::asm::inline`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cortex-m-0.7.7/src/register/basepri.rs:6:15
[INFO] [stdout]    |
[INFO] [stdout]  6 |     call_asm!(__basepri_r() -> u8)
[INFO] [stdout]    |               ^^^^^^^^^^^ not found in `crate::asm::inline`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cortex-m-0.7.7/src/call_asm.rs:11:43
[INFO] [stdout]    |
[INFO] [stdout] 11 |                 () => crate::asm::inline::$func($($args),*),
[INFO] [stdout]    |                                           ----- due to this macro variable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `__basepri_w` in module `crate::asm::inline`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cortex-m-0.7.7/src/register/basepri.rs:22:19
[INFO] [stdout]    |
[INFO] [stdout] 22 |         call_asm!(__basepri_w(basepri: u8));
[INFO] [stdout]    |                   ^^^^^^^^^^^ not found in `crate::asm::inline`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cortex-m-0.7.7/src/call_asm.rs:11:43
[INFO] [stdout]    |
[INFO] [stdout] 11 |                 () => crate::asm::inline::$func($($args),*),
[INFO] [stdout]    |                                           ----- due to this macro variable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `__basepri_max` in module `crate::asm::inline`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cortex-m-0.7.7/src/register/basepri_max.rs:19:19
[INFO] [stdout]    |
[INFO] [stdout] 19 |         call_asm!(__basepri_max(basepri: u8));
[INFO] [stdout]    |                   ^^^^^^^^^^^^^ not found in `crate::asm::inline`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cortex-m-0.7.7/src/call_asm.rs:11:43
[INFO] [stdout]    |
[INFO] [stdout] 11 |                 () => crate::asm::inline::$func($($args),*),
[INFO] [stdout]    |                                           ----- due to this macro variable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `__faultmask_r` in module `crate::asm::inline`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cortex-m-0.7.7/src/register/faultmask.rs:29:28
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let r: u32 = call_asm!(__faultmask_r() -> u32);
[INFO] [stdout]    |                            ^^^^^^^^^^^^^ not found in `crate::asm::inline`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cortex-m-0.7.7/src/call_asm.rs:11:43
[INFO] [stdout]    |
[INFO] [stdout] 11 |                 () => crate::asm::inline::$func($($args),*),
[INFO] [stdout]    |                                           ----- due to this macro variable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `r0`: unknown register
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cortex-m-0.7.7/src/../asm/inline.rs:197:24
[INFO] [stdout]     |
[INFO] [stdout] 197 |     asm!("bkpt #0xab", inout("r0") nr, in("r1") arg, options(nomem, nostack, preserves_flags));
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `r1`: unknown register
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cortex-m-0.7.7/src/../asm/inline.rs:197:40
[INFO] [stdout]     |
[INFO] [stdout] 197 |     asm!("bkpt #0xab", inout("r0") nr, in("r1") arg, options(nomem, nostack, preserves_flags));
[INFO] [stdout]     |                                        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cortex-m` (lib) due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `intrusive-collections` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "c3ee70069f81f560b0c65b28fbfd93982552cc9d61e9b62d0b2c791745d7de60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3ee70069f81f560b0c65b28fbfd93982552cc9d61e9b62d0b2c791745d7de60", kill_on_drop: false }`
[INFO] [stdout] c3ee70069f81f560b0c65b28fbfd93982552cc9d61e9b62d0b2c791745d7de60
