[INFO] cloning repository https://github.com/kernel32dev/stack-master
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kernel32dev/stack-master" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkernel32dev%2Fstack-master", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkernel32dev%2Fstack-master'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cbb78983df5392c58f63dd349fc4ffbed8adf54d
[INFO] testing kernel32dev/stack-master against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkernel32dev%2Fstack-master" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kernel32dev/stack-master
[INFO] finished tweaking git repo https://github.com/kernel32dev/stack-master
[INFO] tweaked toml for git repo https://github.com/kernel32dev/stack-master written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kernel32dev/stack-master 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 git repo https://github.com/kernel32dev/stack-master 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 2f3c353cac6c0c4b7baa99f14dcba0e3d36c3cf8ed8f70d0edf1a4f23df5d61d
[INFO] running `Command { std: "docker" "start" "-a" "2f3c353cac6c0c4b7baa99f14dcba0e3d36c3cf8ed8f70d0edf1a4f23df5d61d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f3c353cac6c0c4b7baa99f14dcba0e3d36c3cf8ed8f70d0edf1a4f23df5d61d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f3c353cac6c0c4b7baa99f14dcba0e3d36c3cf8ed8f70d0edf1a4f23df5d61d", kill_on_drop: false }`
[INFO] [stdout] 2f3c353cac6c0c4b7baa99f14dcba0e3d36c3cf8ed8f70d0edf1a4f23df5d61d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 412ac696e2c068f801afc2cc659948044e79c73b868dfd7fb80910a32e6c2611
[INFO] running `Command { std: "docker" "start" "-a" "412ac696e2c068f801afc2cc659948044e79c73b868dfd7fb80910a32e6c2611", kill_on_drop: false }`
[INFO] [stderr]    Compiling stack-master v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: This crate only supports 32-bit x86 targets!
[INFO] [stdout]  --> src/asm.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | compile_error! {"This crate only supports 32-bit x86 targets!"}
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0570]: "stdcall" is not a supported ABI for the current target
[INFO] [stdout]   --> src/asm.rs:27:22
[INFO] [stdout]    |
[INFO] [stdout] 27 |     f: unsafe extern "stdcall" fn(*mut A) -> *mut B,
[INFO] [stdout]    |                      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you need `extern "stdcall"` on win32 and `extern "C"` everywhere else, use `extern "system"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0570]: "stdcall" is not a supported ABI for the current target
[INFO] [stdout]   --> src/asm.rs:26:26
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub(crate) unsafe extern "stdcall" fn dock<A, B>(
[INFO] [stdout]    |                          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you need `extern "stdcall"` on win32 and `extern "C"` everywhere else, use `extern "system"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0570]: "stdcall" is not a supported ABI for the current target
[INFO] [stdout]   --> src/asm.rs:79:26
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub(crate) unsafe extern "stdcall" fn _except_handler_noop() -> usize {
[INFO] [stdout]    |                          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you need `extern "stdcall"` on win32 and `extern "C"` everywhere else, use `extern "system"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0570]: "stdcall" is not a supported ABI for the current target
[INFO] [stdout]    --> src/asm.rs:139:22
[INFO] [stdout]     |
[INFO] [stdout] 139 |     f: unsafe extern "stdcall" fn(*mut A) -> *mut B,
[INFO] [stdout]     |                      ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you need `extern "stdcall"` on win32 and `extern "C"` everywhere else, use `extern "system"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0570]: "stdcall" is not a supported ABI for the current target
[INFO] [stdout]    --> src/asm.rs:138:26
[INFO] [stdout]     |
[INFO] [stdout] 138 | pub(crate) unsafe extern "stdcall" fn restart<A, B>(
[INFO] [stdout]     |                          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you need `extern "stdcall"` on win32 and `extern "C"` everywhere else, use `extern "system"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0570]: "stdcall" is not a supported ABI for the current target
[INFO] [stdout]    --> src/asm.rs:170:22
[INFO] [stdout]     |
[INFO] [stdout] 170 |     f: unsafe extern "stdcall" fn(*const u8, usize, *mut A),
[INFO] [stdout]     |                      ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you need `extern "stdcall"` on win32 and `extern "C"` everywhere else, use `extern "system"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0570]: "stdcall" is not a supported ABI for the current target
[INFO] [stdout]    --> src/asm.rs:169:26
[INFO] [stdout]     |
[INFO] [stdout] 169 | pub(crate) unsafe extern "stdcall" fn suspend<A>(
[INFO] [stdout]     |                          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you need `extern "stdcall"` on win32 and `extern "C"` everywhere else, use `extern "system"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0570]: "stdcall" is not a supported ABI for the current target
[INFO] [stdout]    --> src/asm.rs:230:22
[INFO] [stdout]     |
[INFO] [stdout] 230 |     f: unsafe extern "stdcall" fn(*const u8, usize, *mut A),
[INFO] [stdout]     |                      ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you need `extern "stdcall"` on win32 and `extern "C"` everywhere else, use `extern "system"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0570]: "stdcall" is not a supported ABI for the current target
[INFO] [stdout]    --> src/asm.rs:226:26
[INFO] [stdout]     |
[INFO] [stdout] 226 | pub(crate) unsafe extern "stdcall" fn resume<A>(
[INFO] [stdout]     |                          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you need `extern "stdcall"` on win32 and `extern "C"` everywhere else, use `extern "system"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0570]: "stdcall" is not a supported ABI for the current target
[INFO] [stdout]   --> src/lib.rs:13:26
[INFO] [stdout]    |
[INFO] [stdout] 13 |         f: unsafe extern "stdcall" fn(*mut ()) -> *mut (),
[INFO] [stdout]    |                          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you need `extern "stdcall"` on win32 and `extern "C"` everywhere else, use `extern "system"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0570]: "stdcall" is not a supported ABI for the current target
[INFO] [stdout]   --> src/lib.rs:26:23
[INFO] [stdout]    |
[INFO] [stdout] 26 |         unsafe extern "stdcall" fn fn_entry<F, T>(entry: *mut ManuallyDrop<F>) -> *mut T
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you need `extern "stdcall"` on win32 and `extern "C"` everywhere else, use `extern "system"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0570]: "stdcall" is not a supported ABI for the current target
[INFO] [stdout]   --> src/lib.rs:50:31
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 unsafe extern "stdcall" fn(*mut F) -> *mut T,
[INFO] [stdout]    |                               ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you need `extern "stdcall"` on win32 and `extern "C"` everywhere else, use `extern "system"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0570]: "stdcall" is not a supported ABI for the current target
[INFO] [stdout]   --> src/lib.rs:51:31
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 unsafe extern "stdcall" fn(*mut ()) -> *mut (),
[INFO] [stdout]    |                               ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you need `extern "stdcall"` on win32 and `extern "C"` everywhere else, use `extern "system"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0570]: "stdcall" is not a supported ABI for the current target
[INFO] [stdout]   --> src/lib.rs:92:23
[INFO] [stdout]    |
[INFO] [stdout] 92 |         unsafe extern "stdcall" fn suspend_trampoline<F>(
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you need `extern "stdcall"` on win32 and `extern "C"` everywhere else, use `extern "system"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0570]: "stdcall" is not a supported ABI for the current target
[INFO] [stdout]    --> src/lib.rs:129:23
[INFO] [stdout]     |
[INFO] [stdout] 129 |         unsafe extern "stdcall" fn land_drop_coroutine_trampoline(
[INFO] [stdout]     |                       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you need `extern "stdcall"` on win32 and `extern "C"` everywhere else, use `extern "system"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0570]: "stdcall" is not a supported ABI for the current target
[INFO] [stdout]    --> src/lib.rs:192:15
[INFO] [stdout]     |
[INFO] [stdout] 192 | unsafe extern "stdcall" fn boxed_entry<F, T>(entry: *mut F) -> *mut T
[INFO] [stdout]     |               ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you need `extern "stdcall"` on win32 and `extern "C"` everywhere else, use `extern "system"`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/lib.rs:110:32
[INFO] [stdout]     |
[INFO] [stdout] 110 |             let _ = f(coroutine);
[INFO] [stdout]     |                     -----------^
[INFO] [stdout]     |                     |          |
[INFO] [stdout]     |                     |          unreachable expression
[INFO] [stdout]     |                     any code following this expression is unreachable
[INFO] [stdout]     |
[INFO] [stdout] note: this expression has type `Infallible`, which is uninhabited
[INFO] [stdout]    --> src/lib.rs:110:21
[INFO] [stdout]     |
[INFO] [stdout] 110 |             let _ = f(coroutine);
[INFO] [stdout]     |                     ^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0570`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stack-master` (lib) due to 17 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "412ac696e2c068f801afc2cc659948044e79c73b868dfd7fb80910a32e6c2611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "412ac696e2c068f801afc2cc659948044e79c73b868dfd7fb80910a32e6c2611", kill_on_drop: false }`
[INFO] [stdout] 412ac696e2c068f801afc2cc659948044e79c73b868dfd7fb80910a32e6c2611
