[INFO] fetching crate tokio-async-std 1.5.3...
[INFO] testing tokio-async-std-1.5.3 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate tokio-async-std 1.5.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate tokio-async-std 1.5.3 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokio-async-std 1.5.3
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate tokio-async-std 1.5.3
[INFO] tweaked toml for crates.io crate tokio-async-std 1.5.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate tokio-async-std 1.5.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded surf v1.0.3
[INFO] [stderr]   Downloaded tokio v0.2.18
[INFO] [stderr]   Downloaded parking_lot_core v0.7.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45963f44133ad5d410210fb6e464afd7daa6168194ddac3e01939005cf7f40e7
[INFO] running `Command { std: "docker" "start" "-a" "45963f44133ad5d410210fb6e464afd7daa6168194ddac3e01939005cf7f40e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45963f44133ad5d410210fb6e464afd7daa6168194ddac3e01939005cf7f40e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45963f44133ad5d410210fb6e464afd7daa6168194ddac3e01939005cf7f40e7", kill_on_drop: false }`
[INFO] [stdout] 45963f44133ad5d410210fb6e464afd7daa6168194ddac3e01939005cf7f40e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9bad734972f2ebd2a99a616f075f0029cb6252e8cc6068d80354ab0a9791cd9
[INFO] running `Command { std: "docker" "start" "-a" "f9bad734972f2ebd2a99a616f075f0029cb6252e8cc6068d80354ab0a9791cd9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]    Compiling pin-project-lite v0.1.4
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling futures-io v0.3.4
[INFO] [stderr]    Compiling once_cell v1.3.1
[INFO] [stderr]    Compiling futures-core v0.3.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling tokio v0.2.18
[INFO] [stderr]    Compiling tokio-async-std v1.5.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/sync/rwlock.rs:304:23
[INFO] [stdout]     |
[INFO] [stdout] 304 |         if self.state.compare_and_swap(0, WRITE_LOCK, Ordering::SeqCst) == 0 {
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/io/stderr.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |         mut self: Pin<&mut Self>,
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/io/stderr.rs:190:19
[INFO] [stdout]     |
[INFO] [stdout] 190 |     fn poll_flush(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
[INFO] [stdout]     |                   ----^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/io/stdin.rs:201:9
[INFO] [stdout]     |
[INFO] [stdout] 201 |         mut self: Pin<&mut Self>,
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/io/stdout.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |         mut self: Pin<&mut Self>,
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/io/stdout.rs:190:19
[INFO] [stdout]     |
[INFO] [stdout] 190 |     fn poll_flush(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
[INFO] [stdout]     |                   ----^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `random`
[INFO] [stdout]   --> src/utils.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn random(n: u32) -> u32 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 33 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.39s
[INFO] running `Command { std: "docker" "inspect" "f9bad734972f2ebd2a99a616f075f0029cb6252e8cc6068d80354ab0a9791cd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9bad734972f2ebd2a99a616f075f0029cb6252e8cc6068d80354ab0a9791cd9", kill_on_drop: false }`
[INFO] [stdout] f9bad734972f2ebd2a99a616f075f0029cb6252e8cc6068d80354ab0a9791cd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3b41b532b1d94f10fdc43b7eed46d861a05d1ecb2caaca5d34c1e29dd1bfa65
[INFO] running `Command { std: "docker" "start" "-a" "d3b41b532b1d94f10fdc43b7eed46d861a05d1ecb2caaca5d34c1e29dd1bfa65", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling smallvec v1.3.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling futures v0.1.29
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling curl v0.4.28
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling futures-sink v0.3.4
[INFO] [stderr]    Compiling isahc v0.7.6
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling futures-task v0.3.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling termios v0.3.2
[INFO] [stderr]    Compiling clicolors-control v1.0.1
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling futures-channel v0.3.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[INFO] [stderr]    Compiling parking_lot_core v0.7.1
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling sluice v0.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/utils.rs:222:42
[INFO] [stdout]     |
[INFO] [stdout] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stdout]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/future/future/mod.rs:23:1
[INFO] [stdout]     |
[INFO] [stdout] 23  | / extension_trait! {
[INFO] [stdout] 24  | |     use std::pin::Pin;
[INFO] [stdout] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stdout] 26  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 431 | |     }
[INFO] [stdout] 432 | | }
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: this warning originates in the macro `extension_trait` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/sync/rwlock.rs:304:23
[INFO] [stdout]     |
[INFO] [stdout] 304 |         if self.state.compare_and_swap(0, WRITE_LOCK, Ordering::SeqCst) == 0 {
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/io/stderr.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |         mut self: Pin<&mut Self>,
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/io/stderr.rs:190:19
[INFO] [stdout]     |
[INFO] [stdout] 190 |     fn poll_flush(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
[INFO] [stdout]     |                   ----^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/io/stdin.rs:201:9
[INFO] [stdout]     |
[INFO] [stdout] 201 |         mut self: Pin<&mut Self>,
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/io/stdout.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |         mut self: Pin<&mut Self>,
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/io/stdout.rs:190:19
[INFO] [stdout]     |
[INFO] [stdout] 190 |     fn poll_flush(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
[INFO] [stdout]     |                   ----^^^^
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `random`
[INFO] [stdout]   --> src/utils.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn random(n: u32) -> u32 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 33 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling openssl-sys v0.9.55
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling curl-sys v0.4.30+curl-7.69.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]    Compiling regex v1.3.6
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling console v0.7.7
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-executor v0.3.4
[INFO] [stderr]    Compiling async-log-attributes v1.0.1
[INFO] [stderr]    Compiling futures v0.3.4
[INFO] [stderr]    Compiling async-log v1.1.0
[INFO] [stderr]    Compiling femme v1.3.0
[INFO] [stderr]    Compiling surf v1.0.3
[INFO] [stderr]    Compiling tokio-async-std v1.5.3 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `tokio-async-std`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name a_chat --edition=2018 examples/a-chat/main.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="crossbeam-utils"' --cfg 'feature="default"' --cfg 'feature="futures-core"' --cfg 'feature="futures-io"' --cfg 'feature="futures-timer"' --cfg 'feature="log"' --cfg 'feature="memchr"' --cfg 'feature="mio"' --cfg 'feature="mio-uds"' --cfg 'feature="num_cpus"' --cfg 'feature="once_cell"' --cfg 'feature="pin-project-lite"' --cfg 'feature="pin-utils"' --cfg 'feature="slab"' --cfg 'feature="std"' --cfg 'feature="tokio"' -C metadata=c43f2a27b3702555 -C extra-filename=-c43f2a27b3702555 --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern crossbeam_utils=/opt/rustwide/target/debug/deps/libcrossbeam_utils-d9227aa3de882b81.rlib --extern femme=/opt/rustwide/target/debug/deps/libfemme-bfe69511c9745a16.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-281d1b7e855f0efd.rlib --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-bb846eec649743f5.rlib --extern futures_io=/opt/rustwide/target/debug/deps/libfutures_io-9accd79cccc37ca6.rlib --extern futures_timer=/opt/rustwide/target/debug/deps/libfutures_timer-0c1ba59d877e4383.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-126fd3f905325b91.rlib --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-50c5bc911dbc0740.rlib --extern mio=/opt/rustwide/target/debug/deps/libmio-1e9028ab6507ea7e.rlib --extern mio_uds=/opt/rustwide/target/debug/deps/libmio_uds-a0eaa85b0180483e.rlib --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-10341b6004336bb4.rlib --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-141ea69667e8e536.rlib --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-b9fe14c9e1fe9d93.rlib --extern pin_utils=/opt/rustwide/target/debug/deps/libpin_utils-19446de67e2b2026.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-76da3aad82994e52.rlib --extern slab=/opt/rustwide/target/debug/deps/libslab-66c74742abc4bd48.rlib --extern surf=/opt/rustwide/target/debug/deps/libsurf-7149e7684f68859e.rlib --extern tempdir=/opt/rustwide/target/debug/deps/libtempdir-8d7ad97a70327d52.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-6ebb23ffdd38073e.rlib --extern async_std=/opt/rustwide/target/debug/deps/libasync_std-378f02de67c4067a.rlib --cap-lints=forbid -L native=/opt/rustwide/target/debug/build/backtrace-sys-094fd39ac1fd0b75/out -L native=/opt/rustwide/target/debug/build/curl-sys-6212c87e6a137d43/out/build -L native=/opt/rustwide/target/debug/build/libnghttp2-sys-2be85141bd0994e3/out/i/lib -L native=/usr/lib/x86_64-linux-gnu` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d3b41b532b1d94f10fdc43b7eed46d861a05d1ecb2caaca5d34c1e29dd1bfa65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3b41b532b1d94f10fdc43b7eed46d861a05d1ecb2caaca5d34c1e29dd1bfa65", kill_on_drop: false }`
[INFO] [stdout] d3b41b532b1d94f10fdc43b7eed46d861a05d1ecb2caaca5d34c1e29dd1bfa65