[INFO] fetching crate vexide-math 0.1.2...
[INFO] testing vexide-math-0.1.2 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate vexide-math 0.1.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate vexide-math 0.1.2
[INFO] finished tweaking crates.io crate vexide-math 0.1.2
[INFO] tweaked toml for crates.io crate vexide-math 0.1.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vexide-math 0.1.2 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 32 packages to latest compatible versions
[INFO] [stderr]       Adding vexide-core v0.2.0 (available: v0.8.0)
[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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 6abe4552622430c3154eccd158643802a2f6d5c0d15c470186ff214f4e7995af
[INFO] running `Command { std: "docker" "start" "-a" "6abe4552622430c3154eccd158643802a2f6d5c0d15c470186ff214f4e7995af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6abe4552622430c3154eccd158643802a2f6d5c0d15c470186ff214f4e7995af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6abe4552622430c3154eccd158643802a2f6d5c0d15c470186ff214f4e7995af", kill_on_drop: false }`
[INFO] [stdout] 6abe4552622430c3154eccd158643802a2f6d5c0d15c470186ff214f4e7995af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e36c884b3de51815348ab21d0619c894152a3072f4b8814ef51b5446dfb7a7e0
[INFO] running `Command { std: "docker" "start" "-a" "e36c884b3de51815348ab21d0619c894152a3072f4b8814ef51b5446dfb7a7e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.32
[INFO] [stderr]    Compiling critical-section v1.2.0
[INFO] [stderr]    Compiling vex-sdk v0.14.0
[INFO] [stderr]    Compiling replace_with v0.1.8
[INFO] [stderr]    Compiling no_std_io v0.6.0
[INFO] [stderr]    Compiling talc v4.4.3
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling num-iter v0.1.45
[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/talc-4.4.3/src/lib.rs:12:36
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![cfg_attr(feature = "allocator", feature(allocator_api))]
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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/vex-sdk-0.14.0/src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(c_variadic)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_va_list` found for struct `VaList<'a>` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/vex-sdk-0.14.0/src/display.rs:71:66
[INFO] [stdout]    |
[INFO] [stdout] 71 |     unsafe { vexDisplayVPrintf(xpos, ypos, bOpaque, format, args.as_va_list()) }
[INFO] [stdout]    |                                                                  ^^^^^^^^^^ method not found in `VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_va_list` found for struct `VaList<'a>` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/vex-sdk-0.14.0/src/display.rs:75:58
[INFO] [stdout]    |
[INFO] [stdout] 75 |     unsafe { vexDisplayVString(nLineNumber, format, args.as_va_list()) }
[INFO] [stdout]    |                                                          ^^^^^^^^^^ method not found in `VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_va_list` found for struct `VaList<'a>` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/vex-sdk-0.14.0/src/display.rs:84:59
[INFO] [stdout]    |
[INFO] [stdout] 84 |     unsafe { vexDisplayVStringAt(xpos, ypos, format, args.as_va_list()) }
[INFO] [stdout]    |                                                           ^^^^^^^^^^ method not found in `VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_va_list` found for struct `VaList<'a>` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/vex-sdk-0.14.0/src/display.rs:92:61
[INFO] [stdout]    |
[INFO] [stdout] 92 |     unsafe { vexDisplayVBigString(nLineNumber, format, args.as_va_list()) }
[INFO] [stdout]    |                                                             ^^^^^^^^^^ method not found in `VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_va_list` found for struct `VaList<'a>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/vex-sdk-0.14.0/src/display.rs:101:62
[INFO] [stdout]     |
[INFO] [stdout] 101 |     unsafe { vexDisplayVBigStringAt(xpos, ypos, format, args.as_va_list()) }
[INFO] [stdout]     |                                                              ^^^^^^^^^^ method not found in `VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_va_list` found for struct `VaList<'a>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/vex-sdk-0.14.0/src/display.rs:110:64
[INFO] [stdout]     |
[INFO] [stdout] 110 |     unsafe { vexDisplayVSmallStringAt(xpos, ypos, format, args.as_va_list()) }
[INFO] [stdout]     |                                                                ^^^^^^^^^^ method not found in `VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_va_list` found for struct `VaList<'a>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/vex-sdk-0.14.0/src/display.rs:118:66
[INFO] [stdout]     |
[INFO] [stdout] 118 |     unsafe { vexDisplayVCenteredString(nLineNumber, format, args.as_va_list()) }
[INFO] [stdout]     |                                                                  ^^^^^^^^^^ method not found in `VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_va_list` found for struct `VaList<'a>` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/vex-sdk-0.14.0/src/display.rs:126:69
[INFO] [stdout]     |
[INFO] [stdout] 126 |     unsafe { vexDisplayVBigCenteredString(nLineNumber, format, args.as_va_list()) }
[INFO] [stdout]     |                                                                     ^^^^^^^^^^ method not found in `VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `talc` (lib) due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no method named `as_va_list` found for struct `VaList<'a>` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/vex-sdk-0.14.0/src/serial.rs:76:39
[INFO] [stdout]    |
[INFO] [stdout] 76 |     unsafe { vex_vprintf(format, args.as_va_list()) }
[INFO] [stdout]    |                                       ^^^^^^^^^^ method not found in `VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_va_list` found for struct `VaList<'a>` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/vex-sdk-0.14.0/src/serial.rs:84:45
[INFO] [stdout]    |
[INFO] [stdout] 84 |     unsafe { vex_vsprintf(out, format, args.as_va_list()) }
[INFO] [stdout]    |                                             ^^^^^^^^^^ method not found in `VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_va_list` found for struct `VaList<'a>` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/vex-sdk-0.14.0/src/serial.rs:93:55
[INFO] [stdout]    |
[INFO] [stdout] 93 |     unsafe { vex_vsnprintf(out, max_len, format, args.as_va_list()) }
[INFO] [stdout]    |                                                       ^^^^^^^^^^ method not found in `VaList<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `vex-sdk` (lib) due to 12 previous errors
[INFO] running `Command { std: "docker" "inspect" "e36c884b3de51815348ab21d0619c894152a3072f4b8814ef51b5446dfb7a7e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e36c884b3de51815348ab21d0619c894152a3072f4b8814ef51b5446dfb7a7e0", kill_on_drop: false }`
[INFO] [stdout] e36c884b3de51815348ab21d0619c894152a3072f4b8814ef51b5446dfb7a7e0
