[INFO] fetching crate next-gen 0.1.1... [INFO] checking next-gen-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate next-gen 0.1.1 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate next-gen 0.1.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config [INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml [INFO] started tweaking crates.io crate next-gen 0.1.1 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate next-gen 0.1.1 [INFO] tweaked toml for crates.io crate next-gen 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate crates.io crate next-gen 0.1.1 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded wild v2.0.0 [INFO] [stderr] Downloaded next-gen-proc_macros v0.1.1 [INFO] [stderr] Downloaded unwind_safe v0.1.0 [INFO] [stderr] Downloaded linked-hash-map v0.5.0 [INFO] [stderr] Downloaded quote v1.0.14 [INFO] [stderr] Downloaded vec_map v0.8.0 [INFO] [stderr] Downloaded terminal_size v0.1.14 [INFO] [stderr] Downloaded byteorder v1.2.0 [INFO] [stderr] Downloaded content_inspector v0.2.4 [INFO] [stderr] Downloaded term_size v0.3.0 [INFO] [stderr] Downloaded encode_unicode v0.3.0 [INFO] [stderr] Downloaded git-version v0.3.0 [INFO] [stderr] Downloaded ansi_colours v1.0.0 [INFO] [stderr] Downloaded rand v0.7.0 [INFO] [stderr] Downloaded num_cpus v1.10.0 [INFO] [stderr] Downloaded dbghelp-sys v0.2.0 [INFO] [stderr] Downloaded blake2-rfc v0.2.16 [INFO] [stderr] Downloaded error-chain v0.12.0 [INFO] [stderr] Downloaded libz-sys v1.0.22 [INFO] [stderr] Downloaded redox_users v0.3.0 [INFO] [stderr] Downloaded ucd-trie v0.1.1 [INFO] [stderr] Downloaded pest v2.0.0 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v0.4.7 [INFO] [stderr] Downloaded aho-corasick v0.7.6 [INFO] [stderr] Downloaded memchr v2.2.1 [INFO] [stderr] Downloaded thread_local v1.0.0 [INFO] [stderr] Downloaded wincolor v1.0.0 [INFO] [stderr] Downloaded grep-cli v0.1.6 [INFO] [stderr] Downloaded std_prelude v0.2.12 [INFO] [stderr] Downloaded pest v1.0.0 [INFO] [stderr] Downloaded syn v0.10.0 [INFO] [stderr] Downloaded flate2 v1.0.0 [INFO] [stderr] Downloaded lazycell v1.0.0 [INFO] [stderr] Downloaded onig_sys v69.5.0 [INFO] [stderr] Downloaded line-wrap v0.1.1 [INFO] [stderr] Downloaded onig v6.0.0 [INFO] [stderr] Downloaded num-integer v0.1.36 [INFO] [stderr] Downloaded indexmap v1.0.2 [INFO] [stderr] Downloaded safemem v0.3.0 [INFO] [stderr] Downloaded syntect v4.5.0 [INFO] [stderr] Downloaded dtoa v0.4.0 [INFO] [stderr] Downloaded git-version-macro v0.3.0 [INFO] [stderr] Downloaded proc-macro-hack v0.5.0 [INFO] [stderr] Downloaded shell-escape v0.1.0 [INFO] [stderr] Downloaded sys-info v0.9.0 [INFO] [stderr] Downloaded fnv v1.0.6 [INFO] [stderr] Downloaded cfg-if v0.1.2 [INFO] [stderr] Downloaded rand_core v0.5.0 [INFO] [stderr] Downloaded num-traits v0.2.0 [INFO] [stderr] Downloaded itoa v0.3.0 [INFO] [stderr] Downloaded bugreport v0.4.0 [INFO] [stderr] Downloaded autocfg v0.1.0 [INFO] [stderr] Downloaded ppv-lite86 v0.2.2 [INFO] [stderr] Downloaded base64 v0.12.0 [INFO] [stderr] Downloaded gcc v0.3.33 [INFO] [stderr] Downloaded miniz-sys v0.1.7 [INFO] [stderr] Downloaded fuchsia-cprng v0.1.0 [INFO] [stderr] Downloaded xml-rs v0.8.0 [INFO] [stderr] Downloaded plist v1.0.0 [INFO] [stderr] Downloaded num-traits v0.1.32 [INFO] [stderr] Downloaded serde_json v1.0.0 [INFO] [stderr] Downloaded winapi-util v0.1.1 [INFO] [stderr] Downloaded clircle v0.3.0 [INFO] [stderr] Downloaded cc v1.0.42 [INFO] [stderr] Downloaded c2-chacha v0.2.2 [INFO] [stderr] Downloaded bincode v1.0.0 [INFO] [stderr] Downloaded rand_chacha v0.2.0 [INFO] [stderr] Downloaded same-file v1.0.4 [INFO] [stderr] Downloaded walkdir v2.0.0 [INFO] [stderr] Downloaded constant_time_eq v0.1.0 [INFO] [stderr] Downloaded yaml-rust v0.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 688c4367d6b8ab77a200718da1a6a59b79883fbac394fb6fc03fc9b5933ab4e7 [INFO] running `Command { std: "docker" "start" "-a" "688c4367d6b8ab77a200718da1a6a59b79883fbac394fb6fc03fc9b5933ab4e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "688c4367d6b8ab77a200718da1a6a59b79883fbac394fb6fc03fc9b5933ab4e7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "688c4367d6b8ab77a200718da1a6a59b79883fbac394fb6fc03fc9b5933ab4e7", kill_on_drop: false }` [INFO] [stdout] 688c4367d6b8ab77a200718da1a6a59b79883fbac394fb6fc03fc9b5933ab4e7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c5f348de9d2b2d56df634877a320512e09f639f52a0967302be4c1cb2f5ba316 [INFO] running `Command { std: "docker" "start" "-a" "c5f348de9d2b2d56df634877a320512e09f639f52a0967302be4c1cb2f5ba316", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.33 [INFO] [stderr] Checking unwind_safe v0.1.0 [INFO] [stderr] Compiling quote v1.0.14 [INFO] [stderr] Compiling next-gen-proc_macros v0.1.1 [INFO] [stderr] Checking next-gen v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `{ [INFO] [stdout] // ::{ [INFO] [stdout] // next_gen_proc_macros::generator, [INFO] [stdout] // }, [INFO] [stdout] // self::{ [INFO] [stdout] // // coroutine::*, [INFO] [stdout] // // generator::*, [INFO] [stdout] // // ops::{Generator, GeneratorState}, [INFO] [stdout] // }, [INFO] [stdout] }` [INFO] [stdout] --> src/lib.rs:62:9 [INFO] [stdout] | [INFO] [stdout] 62 | pub use { [INFO] [stdout] | _________^ [INFO] [stdout] 63 | | // ::{ [INFO] [stdout] 64 | | // next_gen_proc_macros::generator, [INFO] [stdout] 65 | | // }, [INFO] [stdout] ... | [INFO] [stdout] 70 | | // }, [INFO] [stdout] 71 | | }; [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `{ [INFO] [stdout] // ::{ [INFO] [stdout] // next_gen_proc_macros::generator, [INFO] [stdout] // }, [INFO] [stdout] // self::{ [INFO] [stdout] // // coroutine::*, [INFO] [stdout] // // generator::*, [INFO] [stdout] // // ops::{Generator, GeneratorState}, [INFO] [stdout] // }, [INFO] [stdout] }` [INFO] [stdout] --> src/lib.rs:62:9 [INFO] [stdout] | [INFO] [stdout] 62 | pub use { [INFO] [stdout] | _________^ [INFO] [stdout] 63 | | // ::{ [INFO] [stdout] 64 | | // next_gen_proc_macros::generator, [INFO] [stdout] 65 | | // }, [INFO] [stdout] ... | [INFO] [stdout] 70 | | // }, [INFO] [stdout] 71 | | }; [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/public_macros.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | / /// # Safety [INFO] [stdout] 31 | | /// [INFO] [stdout] 32 | | /// - This is pin_utils' `pin_mut!` macro: the shadowing ensures [INFO] [stdout] 33 | | /// there is no longer access to the original stack variable, [INFO] [stdout] 34 | | /// which is thus impossible to move or forget. [INFO] [stdout] | |_______________________________________________________________^ [INFO] [stdout] 35 | extern {} [INFO] [stdout] | --------- rustdoc does not generate documentation for extern blocks [INFO] [stdout] | [INFO] [stdout] ::: src/tests.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | mk_gen!(let generator = generator()); [INFO] [stdout] | ------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/public_macros.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | / /// # Safety [INFO] [stdout] 31 | | /// [INFO] [stdout] 32 | | /// - This is pin_utils' `pin_mut!` macro: the shadowing ensures [INFO] [stdout] 33 | | /// there is no longer access to the original stack variable, [INFO] [stdout] 34 | | /// which is thus impossible to move or forget. [INFO] [stdout] | |_______________________________________________________________^ [INFO] [stdout] 35 | extern {} [INFO] [stdout] | --------- rustdoc does not generate documentation for extern blocks [INFO] [stdout] | [INFO] [stdout] ::: src/tests.rs:56:5 [INFO] [stdout] | [INFO] [stdout] 56 | mk_gen!(let mut generator = generator()); [INFO] [stdout] | ---------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/public_macros.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | / /// # Safety [INFO] [stdout] 31 | | /// [INFO] [stdout] 32 | | /// - This is pin_utils' `pin_mut!` macro: the shadowing ensures [INFO] [stdout] 33 | | /// there is no longer access to the original stack variable, [INFO] [stdout] 34 | | /// which is thus impossible to move or forget. [INFO] [stdout] | |_______________________________________________________________^ [INFO] [stdout] 35 | extern {} [INFO] [stdout] | --------- rustdoc does not generate documentation for extern blocks [INFO] [stdout] | [INFO] [stdout] ::: src/tests.rs:90:5 [INFO] [stdout] | [INFO] [stdout] 90 | mk_gen!(let generator = range(2, 8)); [INFO] [stdout] | ------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/public_macros.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | / /// # Safety [INFO] [stdout] 31 | | /// [INFO] [stdout] 32 | | /// - This is pin_utils' `pin_mut!` macro: the shadowing ensures [INFO] [stdout] 33 | | /// there is no longer access to the original stack variable, [INFO] [stdout] 34 | | /// which is thus impossible to move or forget. [INFO] [stdout] | |_______________________________________________________________^ [INFO] [stdout] 35 | extern {} [INFO] [stdout] | --------- rustdoc does not generate documentation for extern blocks [INFO] [stdout] | [INFO] [stdout] ::: src/tests.rs:117:9 [INFO] [stdout] | [INFO] [stdout] 117 | mk_gen!(let mut generator = generator()); [INFO] [stdout] | ---------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/public_macros.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | / /// # Safety [INFO] [stdout] 31 | | /// [INFO] [stdout] 32 | | /// - This is pin_utils' `pin_mut!` macro: the shadowing ensures [INFO] [stdout] 33 | | /// there is no longer access to the original stack variable, [INFO] [stdout] 34 | | /// which is thus impossible to move or forget. [INFO] [stdout] | |_______________________________________________________________^ [INFO] [stdout] 35 | extern {} [INFO] [stdout] | --------- rustdoc does not generate documentation for extern blocks [INFO] [stdout] | [INFO] [stdout] ::: src/tests.rs:148:9 [INFO] [stdout] | [INFO] [stdout] 148 | mk_gen!(let generator = range(2, 8)); [INFO] [stdout] | ------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/public_macros.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | / /// # Safety [INFO] [stdout] 31 | | /// [INFO] [stdout] 32 | | /// - This is pin_utils' `pin_mut!` macro: the shadowing ensures [INFO] [stdout] 33 | | /// there is no longer access to the original stack variable, [INFO] [stdout] 34 | | /// which is thus impossible to move or forget. [INFO] [stdout] | |_______________________________________________________________^ [INFO] [stdout] 35 | extern {} [INFO] [stdout] | --------- rustdoc does not generate documentation for extern blocks [INFO] [stdout] | [INFO] [stdout] ::: src/tests.rs:169:19 [INFO] [stdout] | [INFO] [stdout] 169 | let ret = gen_iter!( [INFO] [stdout] | ___________________- [INFO] [stdout] 170 | | for question in answer() { [INFO] [stdout] 171 | | assert_eq!( [INFO] [stdout] 172 | | question, [INFO] [stdout] ... | [INFO] [stdout] 175 | | } [INFO] [stdout] 176 | | ); [INFO] [stdout] | |_________- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `gen_iter` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/public_macros.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | / /// # Safety [INFO] [stdout] 31 | | /// [INFO] [stdout] 32 | | /// - This is pin_utils' `pin_mut!` macro: the shadowing ensures [INFO] [stdout] 33 | | /// there is no longer access to the original stack variable, [INFO] [stdout] 34 | | /// which is thus impossible to move or forget. [INFO] [stdout] | |_______________________________________________________________^ [INFO] [stdout] 35 | extern {} [INFO] [stdout] | --------- rustdoc does not generate documentation for extern blocks [INFO] [stdout] | [INFO] [stdout] ::: src/tests.rs:221:13 [INFO] [stdout] | [INFO] [stdout] 221 | mk_gen!(let iterator = range(2, 7)); [INFO] [stdout] | ----------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/public_macros.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | / /// # Safety [INFO] [stdout] 31 | | /// [INFO] [stdout] 32 | | /// - This is pin_utils' `pin_mut!` macro: the shadowing ensures [INFO] [stdout] 33 | | /// there is no longer access to the original stack variable, [INFO] [stdout] 34 | | /// which is thus impossible to move or forget. [INFO] [stdout] | |_______________________________________________________________^ [INFO] [stdout] 35 | extern {} [INFO] [stdout] | --------- rustdoc does not generate documentation for extern blocks [INFO] [stdout] | [INFO] [stdout] ::: src/tests.rs:222:13 [INFO] [stdout] | [INFO] [stdout] 222 | mk_gen!(let iterator = filter(|x| x % 2 == 0, iterator)); [INFO] [stdout] | -------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/public_macros.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | / /// # Safety [INFO] [stdout] 31 | | /// [INFO] [stdout] 32 | | /// - This is pin_utils' `pin_mut!` macro: the shadowing ensures [INFO] [stdout] 33 | | /// there is no longer access to the original stack variable, [INFO] [stdout] 34 | | /// which is thus impossible to move or forget. [INFO] [stdout] | |_______________________________________________________________^ [INFO] [stdout] 35 | extern {} [INFO] [stdout] | --------- rustdoc does not generate documentation for extern blocks [INFO] [stdout] | [INFO] [stdout] ::: src/tests.rs:233:13 [INFO] [stdout] | [INFO] [stdout] 233 | mk_gen!(let iterator = range(2, 7)); [INFO] [stdout] | ----------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/public_macros.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | / /// # Safety [INFO] [stdout] 31 | | /// [INFO] [stdout] 32 | | /// - This is pin_utils' `pin_mut!` macro: the shadowing ensures [INFO] [stdout] 33 | | /// there is no longer access to the original stack variable, [INFO] [stdout] 34 | | /// which is thus impossible to move or forget. [INFO] [stdout] | |_______________________________________________________________^ [INFO] [stdout] 35 | extern {} [INFO] [stdout] | --------- rustdoc does not generate documentation for extern blocks [INFO] [stdout] | [INFO] [stdout] ::: src/tests.rs:234:13 [INFO] [stdout] | [INFO] [stdout] 234 | mk_gen!(let iterator = filter(|x| x % 2 == 0, iterator)); [INFO] [stdout] | -------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/public_macros.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | / /// # Safety [INFO] [stdout] 31 | | /// [INFO] [stdout] 32 | | /// - This is pin_utils' `pin_mut!` macro: the shadowing ensures [INFO] [stdout] 33 | | /// there is no longer access to the original stack variable, [INFO] [stdout] 34 | | /// which is thus impossible to move or forget. [INFO] [stdout] | |_______________________________________________________________^ [INFO] [stdout] 35 | extern {} [INFO] [stdout] | --------- rustdoc does not generate documentation for extern blocks [INFO] [stdout] | [INFO] [stdout] ::: src/tests.rs:235:13 [INFO] [stdout] | [INFO] [stdout] 235 | mk_gen!(let iterator = map(|x| x * x, iterator)); [INFO] [stdout] | ------------------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.53s [INFO] running `Command { std: "docker" "inspect" "c5f348de9d2b2d56df634877a320512e09f639f52a0967302be4c1cb2f5ba316", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c5f348de9d2b2d56df634877a320512e09f639f52a0967302be4c1cb2f5ba316", kill_on_drop: false }` [INFO] [stdout] c5f348de9d2b2d56df634877a320512e09f639f52a0967302be4c1cb2f5ba316