[INFO] fetching crate rpc-it 0.10.0-alpha.1... [INFO] checking rpc-it-0.10.0-alpha.1 against f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1 for pr-160235-1 [INFO] extracting crate rpc-it 0.10.0-alpha.1 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate rpc-it 0.10.0-alpha.1 [INFO] finished tweaking crates.io crate rpc-it 0.10.0-alpha.1 [INFO] tweaked toml for crates.io crate rpc-it 0.10.0-alpha.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate rpc-it 0.10.0-alpha.1 on toolchain f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1" "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" "+f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 86 packages to highest compatible versions [INFO] [stderr] Adding enum-as-inner v0.6.1 (available: v0.7.0) [INFO] [stderr] Adding hashbrown v0.14.5 (available: v0.17.1) [INFO] [stderr] Adding rand v0.8.8 (available: v0.10.2) [INFO] [stderr] Adding thiserror v1.0.69 (available: v2.0.20) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }` [INFO] [stdout] 93935f35c02bdb72a6afaa6e6539bae614d9a400557b154d3cc91737da68b025 [INFO] running `Command { std: "docker" "start" "93935f35c02bdb72a6afaa6e6539bae614d9a400557b154d3cc91737da68b025", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "93935f35c02bdb72a6afaa6e6539bae614d9a400557b154d3cc91737da68b025", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "93935f35c02bdb72a6afaa6e6539bae614d9a400557b154d3cc91737da68b025" "/opt/rustwide/cargo-home/bin/cargo" "+f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "93935f35c02bdb72a6afaa6e6539bae614d9a400557b154d3cc91737da68b025", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "93935f35c02bdb72a6afaa6e6539bae614d9a400557b154d3cc91737da68b025" "/opt/rustwide/cargo-home/bin/cargo" "+f99a7560a6b5f0a5e6894aea7e8afe0e01d3edd1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.107 [INFO] [stderr] Compiling quote v1.0.47 [INFO] [stderr] Compiling libc v0.2.189 [INFO] [stderr] Compiling zerocopy v0.8.57 [INFO] [stderr] Checking futures-core v0.3.34 [INFO] [stderr] Compiling crossbeam-utils v0.8.23 [INFO] [stderr] Checking futures-sink v0.3.34 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking memchr v2.8.3 [INFO] [stderr] Checking slab v0.4.12 [INFO] [stderr] Checking futures-io v0.3.34 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling ahash v0.8.12 [INFO] [stderr] Checking futures-task v0.3.34 [INFO] [stderr] Compiling serde_core v1.0.229 [INFO] [stderr] Checking event-listener v5.4.2 [INFO] [stderr] Compiling serde v1.0.229 [INFO] [stderr] Checking futures-channel v0.3.34 [INFO] [stderr] Compiling anyhow v1.0.104 [INFO] [stderr] Checking once_cell v1.21.4 [INFO] [stderr] Checking smallvec v1.16.1 [INFO] [stderr] Compiling unicode-segmentation v1.13.3 [INFO] [stderr] Checking bytes v1.12.1 [INFO] [stderr] Checking tap v1.0.1 [INFO] [stderr] Checking event-listener-strategy v0.5.4 [INFO] [stderr] Compiling convert_case v0.6.0 [INFO] [stderr] Checking concurrent-queue v2.5.0 [INFO] [stderr] Compiling syn v3.0.5 [INFO] [stderr] Compiling syn v2.0.119 [INFO] [stderr] Checking async-channel v2.5.0 [INFO] [stderr] Checking getrandom v0.2.17 [INFO] [stderr] Checking parking_lot_core v0.9.12 [INFO] [stderr] Checking parking_lot v0.12.5 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling rpc-it-macros v0.10.0-alpha.1 [INFO] [stderr] Compiling enum-as-inner v0.6.1 [INFO] [stderr] Compiling futures-macro v0.3.34 [INFO] [stderr] Compiling serde_derive v1.0.229 [INFO] [stderr] Checking futures-util v0.3.34 [INFO] [stderr] Checking thiserror v1.0.69 [INFO] [stderr] Checking ppv-lite86 v0.2.21 [INFO] [stderr] Checking hashbrown v0.14.5 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.8 [INFO] [stderr] Checking futures-executor v0.3.34 [INFO] [stderr] Checking futures v0.3.34 [INFO] [stderr] Checking rpc-it v0.10.0-alpha.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `WriterAdapter` is never constructed [INFO] [stdout] --> src/rpc/core.rs:118:16 [INFO] [stdout] | [INFO] [stdout] 118 | struct WriterAdapter(Wr2); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `as_inner_pinned` is never used [INFO] [stdout] --> src/rpc/core.rs:121:16 [INFO] [stdout] | [INFO] [stdout] 120 | impl WriterAdapter { [INFO] [stdout] | ---------------------------- method in this implementation [INFO] [stdout] 121 | fn as_inner_pinned(self: Pin<&mut Self>) -> Pin<&mut Wr2> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `F` is never constructed [INFO] [stdout] --> src/macros/inbound.rs:37:8 [INFO] [stdout] | [INFO] [stdout] 37 | struct F; [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/rpc/sender.rs:249:9 [INFO] [stdout] | [INFO] [stdout] 249 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] ... [INFO] [stdout] 253 | ) -> Result, SendMsgError> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 253 | ) -> Result, SendMsgError> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/rpc/sender.rs:269:9 [INFO] [stdout] | [INFO] [stdout] 269 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] ... [INFO] [stdout] 273 | ) -> Result, TrySendMsgError> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 273 | ) -> Result, TrySendMsgError> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/rpc/sender.rs:288:9 [INFO] [stdout] | [INFO] [stdout] 288 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] ... [INFO] [stdout] 292 | ) -> Option, EncodeError>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 292 | ) -> Option, EncodeError>> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `WriterAdapter` is never constructed [INFO] [stdout] --> src/rpc/core.rs:118:16 [INFO] [stdout] | [INFO] [stdout] 118 | struct WriterAdapter(Wr2); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `as_inner_pinned` is never used [INFO] [stdout] --> src/rpc/core.rs:121:16 [INFO] [stdout] | [INFO] [stdout] 120 | impl WriterAdapter { [INFO] [stdout] | ---------------------------- method in this implementation [INFO] [stdout] 121 | fn as_inner_pinned(self: Pin<&mut Self>) -> Pin<&mut Wr2> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `F` is never constructed [INFO] [stdout] --> src/macros/inbound.rs:37:8 [INFO] [stdout] | [INFO] [stdout] 37 | struct F; [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/rpc/sender.rs:249:9 [INFO] [stdout] | [INFO] [stdout] 249 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] ... [INFO] [stdout] 253 | ) -> Result, SendMsgError> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 253 | ) -> Result, SendMsgError> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/rpc/sender.rs:269:9 [INFO] [stdout] | [INFO] [stdout] 269 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] ... [INFO] [stdout] 273 | ) -> Result, TrySendMsgError> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 273 | ) -> Result, TrySendMsgError> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/rpc/sender.rs:288:9 [INFO] [stdout] | [INFO] [stdout] 288 | &self, [INFO] [stdout] | ^^^^^ the lifetime is elided here [INFO] [stdout] ... [INFO] [stdout] 292 | ) -> Option, EncodeError>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 292 | ) -> Option, EncodeError>> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: attributes on some expressions are unstable [INFO] [stdout] --> tests/macro_wip.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | /// This is a comment [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #15701 for more information [INFO] [stdout] = help: add `#![feature(stmt_expr_attributes)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2026-09-13; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: attributes on some expressions are unstable [INFO] [stdout] --> tests/macro_wip.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | /// This is a comment 33333 [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #15701 for more information [INFO] [stdout] = help: add `#![feature(stmt_expr_attributes)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2026-09-13; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: attributes on some expressions are unstable [INFO] [stdout] --> tests/macro_wip.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | /// This is a comment [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #15701 for more information [INFO] [stdout] = help: add `#![feature(stmt_expr_attributes)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2026-09-13; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: attributes on some expressions are unstable [INFO] [stdout] --> tests/macro_wip.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | /// This is a comment 33333 [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #15701 for more information [INFO] [stdout] = help: add `#![feature(stmt_expr_attributes)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2026-09-13; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0658`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rpc-it` (test "macro_wip") due to 4 previous errors [INFO] [stderr] warning: unused dependency `assert` [INFO] [stderr] --> Cargo.toml:5:15 [INFO] [stderr] | [INFO] [stderr] 5 | [dependencies.assert] [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `cargo::unused_dependencies` is set to `warn` by default [INFO] [stderr] help: consider removing the dependency on `assert` [INFO] [stderr] warning: `rpc-it` (manifest) generated 1 warning [INFO] running `Command { std: "docker" "inspect" "93935f35c02bdb72a6afaa6e6539bae614d9a400557b154d3cc91737da68b025", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "93935f35c02bdb72a6afaa6e6539bae614d9a400557b154d3cc91737da68b025", kill_on_drop: false }` [INFO] [stdout] 93935f35c02bdb72a6afaa6e6539bae614d9a400557b154d3cc91737da68b025