[INFO] fetching crate greenthread-future 0.1.0... [INFO] testing greenthread-future-0.1.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] extracting crate greenthread-future 0.1.0 into /workspace/builds/worker-2-tc1/source [INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain [INFO] started tweaking crates.io crate greenthread-future 0.1.0 [INFO] finished tweaking crates.io crate greenthread-future 0.1.0 [INFO] tweaked toml for crates.io crate greenthread-future 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate greenthread-future 0.1.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 12 packages to latest compatible versions [INFO] [stderr] Adding tokio v0.2.25 (available: v1.45.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f45a0c70ccf7829a1a02b2521c579c9513ce14b0f65363456550cbcb386cff16 [INFO] running `Command { std: "docker" "start" "-a" "f45a0c70ccf7829a1a02b2521c579c9513ce14b0f65363456550cbcb386cff16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f45a0c70ccf7829a1a02b2521c579c9513ce14b0f65363456550cbcb386cff16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f45a0c70ccf7829a1a02b2521c579c9513ce14b0f65363456550cbcb386cff16", kill_on_drop: false }` [INFO] [stdout] f45a0c70ccf7829a1a02b2521c579c9513ce14b0f65363456550cbcb386cff16 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 2da6a5c02db362696a51b0d00fdc408a1503adb793027d3d0f34435f4bf676a7 [INFO] running `Command { std: "docker" "start" "-a" "2da6a5c02db362696a51b0d00fdc408a1503adb793027d3d0f34435f4bf676a7", kill_on_drop: false }` [INFO] [stderr] Compiling greenthread-future v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | #![feature(untagged_unions)] [INFO] [stdout] | ^^^^^^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed in 1.64.0 (you are using 1.89.0-nightly (8de4c7234 2025-06-19)); see for more information [INFO] [stdout] = note: unions with `Copy` and `ManuallyDrop` fields are stable; there is no intent to stabilize more [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: unsafe attribute used without unsafe [INFO] [stdout] --> src/lib.rs:95:7 [INFO] [stdout] | [INFO] [stdout] 95 | #[naked] [INFO] [stdout] | ^^^^^ usage of unsafe attribute [INFO] [stdout] | [INFO] [stdout] help: wrap the attribute in `unsafe(...)` [INFO] [stdout] | [INFO] [stdout] 95 | #[unsafe(naked)] [INFO] [stdout] | +++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot find macro `asm` in this scope [INFO] [stdout] --> src/lib.rs:51:9 [INFO] [stdout] | [INFO] [stdout] 51 | asm!("" : "={rsp}"(rsp)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] help: consider importing this macro [INFO] [stdout] | [INFO] [stdout] 9 + use core::arch::asm; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot find macro `asm` in this scope [INFO] [stdout] --> src/lib.rs:98:9 [INFO] [stdout] | [INFO] [stdout] 98 | asm!(r#" [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] help: consider importing this macro [INFO] [stdout] | [INFO] [stdout] 9 + use core::arch::asm; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0736]: attribute incompatible with `#[unsafe(naked)]` [INFO] [stdout] --> src/lib.rs:96:5 [INFO] [stdout] | [INFO] [stdout] 95 | #[naked] [INFO] [stdout] | -------- function marked with `#[unsafe(naked)]` here [INFO] [stdout] 96 | #[inline(never)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ the `inline` attribute is incompatible with `#[unsafe(naked)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: the feature `naked_functions` has been stable since 1.88.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | #![feature(naked_functions)] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[deny(stable_features)]` implied by `#[deny(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: the feature `asm` has been stable since 1.59.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(asm)] [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0557, E0736. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0557`. [INFO] [stdout] [INFO] [stderr] error: could not compile `greenthread-future` (lib) due to 7 previous errors [INFO] running `Command { std: "docker" "inspect" "2da6a5c02db362696a51b0d00fdc408a1503adb793027d3d0f34435f4bf676a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2da6a5c02db362696a51b0d00fdc408a1503adb793027d3d0f34435f4bf676a7", kill_on_drop: false }` [INFO] [stdout] 2da6a5c02db362696a51b0d00fdc408a1503adb793027d3d0f34435f4bf676a7