[INFO] crate tokio-async-std 1.5.2 is already in cache
[INFO] checking tokio-async-std-1.5.2 against try#8a5e87609850cdd8679aada01eb0f3062f254ca8 for pr-71140
[INFO] extracting crate tokio-async-std 1.5.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate tokio-async-std 1.5.2 on toolchain 8a5e87609850cdd8679aada01eb0f3062f254ca8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tokio-async-std 1.5.2
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate tokio-async-std 1.5.2
[INFO] tweaked toml for crates.io crate tokio-async-std 1.5.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate tokio-async-std 1.5.2 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0625fd4d6cb63d67f4966af9ff69008a276cfc4996a7767a5b7336d9fbcd372e
[INFO] running `"docker" "start" "-a" "0625fd4d6cb63d67f4966af9ff69008a276cfc4996a7767a5b7336d9fbcd372e"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling isahc v0.7.6
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]    Compiling curl-sys v0.4.30+curl-7.69.1
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking console v0.7.7
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking sluice v0.4.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling async-log-attributes v1.0.1
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]     Checking async-log v1.1.0
[INFO] [stderr]     Checking tokio v0.2.13
[INFO] [stderr]    Compiling curl v0.4.28
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking tokio-async-std v1.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking surf v1.0.3
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `random`
[INFO] [stderr]   --> src/utils.rs:23:8
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn random(n: u32) -> u32 {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr] warning: 27 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Checking femme v1.3.0
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> benches/mutex.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |         t.await;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/utils.rs:222:42
[INFO] [stderr]     |
[INFO] [stderr] 222 |           $($head)* extension_trait!(@ext (#[doc = $d]) $($tail)*);
[INFO] [stderr]     |                                            ^^^^^^^^^^^ rustdoc does not generate documentation for macros
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/future/future/mod.rs:23:1
[INFO] [stderr]     |
[INFO] [stderr] 23  | / extension_trait! {
[INFO] [stderr] 24  | |     use std::pin::Pin;
[INFO] [stderr] 25  | |     use std::ops::{Deref, DerefMut};
[INFO] [stderr] 26  | |
[INFO] [stderr] ...   |
[INFO] [stderr] 431 | |     }
[INFO] [stderr] 432 | | }
[INFO] [stderr]     | |_- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `random`
[INFO] [stderr]   --> src/utils.rs:23:8
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn random(n: u32) -> u32 {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 27 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `"docker" "inspect" "0625fd4d6cb63d67f4966af9ff69008a276cfc4996a7767a5b7336d9fbcd372e"`
[INFO] running `"docker" "rm" "-f" "0625fd4d6cb63d67f4966af9ff69008a276cfc4996a7767a5b7336d9fbcd372e"`
[INFO] [stdout] 0625fd4d6cb63d67f4966af9ff69008a276cfc4996a7767a5b7336d9fbcd372e