[INFO] fetching crate tokio-async-std 1.5.3...
[INFO] testing tokio-async-std-1.5.3 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate tokio-async-std 1.5.3 into /workspace/builds/worker-5-tc2/source
[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-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tokio-async-std 1.5.3 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tokio-async-std 1.5.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef3c4806f69b5dd8e83d4b67cb8b824716af1702892e751f81d690d41a8edaa3
[INFO] running `Command { std: "docker" "start" "-a" "ef3c4806f69b5dd8e83d4b67cb8b824716af1702892e751f81d690d41a8edaa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef3c4806f69b5dd8e83d4b67cb8b824716af1702892e751f81d690d41a8edaa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef3c4806f69b5dd8e83d4b67cb8b824716af1702892e751f81d690d41a8edaa3", kill_on_drop: false }`
[INFO] [stdout] ef3c4806f69b5dd8e83d4b67cb8b824716af1702892e751f81d690d41a8edaa3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99d27b73f4eb74b7e1ef3cbbb3019130d5533a4de773d269a1607d32a35f426d
[INFO] running `Command { std: "docker" "start" "-a" "99d27b73f4eb74b7e1ef3cbbb3019130d5533a4de773d269a1607d32a35f426d", 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 slab v0.4.2
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling pin-project-lite v0.1.4
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling once_cell v1.3.1
[INFO] [stderr]    Compiling futures-io v0.3.4
[INFO] [stderr]    Compiling futures-core v0.3.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling futures-timer v2.0.2
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.33
[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] ...   |
[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: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[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] ...   |
[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] ...   |
[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] ...   |
[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] ...   |
[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] ...   |
[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] ...   |
[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] ...   |
[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] ...   |
[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] ...   |
[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] ...   |
[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] ...   |
[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] ...   |
[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] ...   |
[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] ...   |
[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] ...   |
[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] ...   |
[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] ...   |
[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] ...   |
[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] ...   |
[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] ...   |
[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] ...   |
[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] ...   |
[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] ...   |
[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] ...   |
[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] ...   |
[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: unexpected `cfg` condition name: `default`
[INFO] [stdout]   --> src/io/read/bytes.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 | #[cfg(all(test, default))]
[INFO] [stdout]    |                 ^^^^^^^ help: found config with similar value: `feature = "default"`
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 32 more
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(default)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(default)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `default`
[INFO] [stdout]    --> src/io/read/chain.rs:168:17
[INFO] [stdout]     |
[INFO] [stdout] 168 | #[cfg(all(test, default))]
[INFO] [stdout]     |                 ^^^^^^^ help: found config with similar value: `feature = "default"`
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(default)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(default)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::Atomic::<usize>::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)]` (part of `#[warn(unused)]`) 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: variable does not need to be mutable
[INFO] [stdout]    --> src/sync/waker_set.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |         let mut inner = &mut *self.lock();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random` is never used
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]    --> src/io/buf_writer.rs:116:33
[INFO] [stdout]     |
[INFO] [stdout] 116 | pub struct IntoInnerError<W>(W, crate::io::Error);
[INFO] [stdout]     |            --------------       ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `IntoInnerError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/future/timeout.rs:43:1
[INFO] [stdout]    |
[INFO] [stdout] 43 | / pin_project! {
[INFO] [stdout] 44 | |     /// A future that times out after a duration of time.
[INFO] [stdout] 45 | |     pub struct TimeoutFuture<F> {
[INFO] [stdout] 46 | |         #[pin]
[INFO] [stdout] ...  |
[INFO] [stdout] 51 | | }
[INFO] [stdout]    | |_^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `$crate::pin_project` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/io/buf_read/lines.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / pin_project! {
[INFO] [stdout] 13 | |     /// A stream of lines in a byte stream.
[INFO] [stdout] 14 | |     ///
[INFO] [stdout] 15 | |     /// This stream is created by the [`lines`] method on types that implement [`BufRead`].
[INFO] [stdout] ...  |
[INFO] [stdout] 30 | | }
[INFO] [stdout]    | |_^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `$crate::pin_project` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/io/buf_read/split.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / pin_project! {
[INFO] [stdout] 12 | |     /// A stream over the contents of an instance of [`BufRead`] split on a particular byte.
[INFO] [stdout] 13 | |     ///
[INFO] [stdout] 14 | |     /// This stream is created by the [`split`] method on types that implement [`BufRead`].
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | | }
[INFO] [stdout]    | |_^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `$crate::pin_project` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/io/read/chain.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout]  9 | / pin_project! {
[INFO] [stdout] 10 | |     /// Adaptor to chain together two readers.
[INFO] [stdout] 11 | |     ///
[INFO] [stdout] 12 | |     /// This struct is generally created by calling [`chain`] on a reader.
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | | }
[INFO] [stdout]    | |_^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `$crate::pin_project` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/io/read/take.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout]  9 | / pin_project! {
[INFO] [stdout] 10 | |     /// Reader adaptor which limits the bytes read from an underlying reader.
[INFO] [stdout] 11 | |     ///
[INFO] [stdout] 12 | |     /// This struct is generally created by calling [`take`] on a reader.
[INFO] [stdout] ...  |
[INFO] [stdout] 22 | | }
[INFO] [stdout]    | |_^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `$crate::pin_project` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/io/buf_reader.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | / pin_project! {
[INFO] [stdout] 11 | |     /// Adds buffering to any reader.
[INFO] [stdout] 12 | |     ///
[INFO] [stdout] 13 | |     /// It can be excessively inefficient to work directly with a [`Read`] instance. A `BufReader`
[INFO] [stdout] ...  |
[INFO] [stdout] 53 | | }
[INFO] [stdout]    | |_^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `$crate::pin_project` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/io/buf_writer.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | / pin_project! {
[INFO] [stdout] 11 | |     /// Wraps a writer and buffers its output.
[INFO] [stdout] 12 | |     ///
[INFO] [stdout] 13 | |     /// It can be excessively inefficient to work directly with something that
[INFO] [stdout] ...  |
[INFO] [stdout] 89 | | }
[INFO] [stdout]    | |_^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `$crate::pin_project` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/io/copy.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 | /     pin_project! {
[INFO] [stdout] 54 | |         struct CopyFuture<R, W> {
[INFO] [stdout] 55 | |             #[pin]
[INFO] [stdout] 56 | |             reader: R,
[INFO] [stdout] ...  |
[INFO] [stdout] 61 | |     }
[INFO] [stdout]    | |_____^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `$crate::pin_project` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/io/timeout.rs:46:1
[INFO] [stdout]    |
[INFO] [stdout] 46 | / pin_project! {
[INFO] [stdout] 47 | |     /// Future returned by the `FutureExt::timeout` method.
[INFO] [stdout] 48 | |     #[derive(Debug)]
[INFO] [stdout] 49 | |     pub struct Timeout<F, T>
[INFO] [stdout] ...  |
[INFO] [stdout] 58 | | }
[INFO] [stdout]    | |_^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `$crate::pin_project` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/stream/stream/chain.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout]  9 | / pin_project! {
[INFO] [stdout] 10 | |     /// A stream that chains two streams one after another.
[INFO] [stdout] 11 | |     ///
[INFO] [stdout] 12 | |     /// This `struct` is created by the [`chain`] method on [`Stream`]. See its
[INFO] [stdout] ...  |
[INFO] [stdout] 24 | | }
[INFO] [stdout]    | |_^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `$crate::pin_project` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/stream/stream/cloned.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout]  6 | / pin_project! {
[INFO] [stdout]  7 | |     /// A stream that clones the elements of an underlying stream.
[INFO] [stdout]  8 | |     #[derive(Debug)]
[INFO] [stdout]  9 | |     pub struct Cloned<S> {
[INFO] [stdout] ...  |
[INFO] [stdout] 13 | | }
[INFO] [stdout]    | |_^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `$crate::pin_project` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/stream/stream/cmp.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / pin_project! {
[INFO] [stdout] 13 | |     // Lexicographically compares the elements of this `Stream` with those
[INFO] [stdout] 14 | |     // of another using `Ord`.
[INFO] [stdout] 15 | |     #[doc(hidden)]
[INFO] [stdout] ...  |
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `$crate::pin_project` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/stream/stream/copied.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout]  6 | / pin_project! {
[INFO] [stdout]  7 | |     /// A stream that copies the elements of an underlying stream.
[INFO] [stdout]  8 | |     #[derive(Debug)]
[INFO] [stdout]  9 | |     pub struct Copied<S> {
[INFO] [stdout] ...  |
[INFO] [stdout] 13 | | }
[INFO] [stdout]    | |_^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `$crate::pin_project` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/stream/stream/enumerate.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout]  8 | / pin_project! {
[INFO] [stdout]  9 | |     #[derive(Debug)]
[INFO] [stdout] 10 | |     pub struct Enumerate<S> {
[INFO] [stdout] 11 | |         #[pin]
[INFO] [stdout] ...  |
[INFO] [stdout] 15 | | }
[INFO] [stdout]    | |_^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `$crate::pin_project` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/stream/stream/eq.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / pin_project! {
[INFO] [stdout] 12 | |     // Lexicographically compares the elements of this `Stream` with those
[INFO] [stdout] 13 | |     // of another.
[INFO] [stdout] 14 | |     #[doc(hidden)]
[INFO] [stdout] ...  |
[INFO] [stdout] 22 | | }
[INFO] [stdout]    | |_^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `$crate::pin_project` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/stream/stream/filter.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout]  8 | / pin_project! {
[INFO] [stdout]  9 | |     /// A stream to filter elements of another stream with a predicate.
[INFO] [stdout] 10 | |     ///
[INFO] [stdout] 11 | |     /// This `struct` is created by the [`filter`] method on [`Stream`]. See its
[INFO] [stdout] ...  |
[INFO] [stdout] 22 | | }
[INFO] [stdout]    | |_^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `$crate::pin_project` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/stream/stream/filter_map.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout]  8 | / pin_project! {
[INFO] [stdout]  9 | |     #[derive(Debug)]
[INFO] [stdout] 10 | |     pub struct FilterMap<S, F> {
[INFO] [stdout] 11 | |         #[pin]
[INFO] [stdout] ...  |
[INFO] [stdout] 15 | | }
[INFO] [stdout]    | |_^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `$crate::pin_project` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/stream/stream/fold.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout]  9 | / pin_project! {
[INFO] [stdout] 10 | |     #[derive(Debug)]
[INFO] [stdout] 11 | |     pub struct FoldFuture<S, F, B> {
[INFO] [stdout] 12 | |         #[pin]
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | | }
[INFO] [stdout]    | |_^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `$crate::pin_project` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/stream/stream/for_each.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout]  9 | / pin_project! {
[INFO] [stdout] 10 | |     #[doc(hidden)]
[INFO] [stdout] 11 | |     #[allow(missing_debug_implementations)]
[INFO] [stdout] 12 | |     pub struct ForEachFuture<S, F> {
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | | }
[INFO] [stdout]    | |_^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `$crate::pin_project` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/stream/stream/fuse.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout]  8 | / pin_project! {
[INFO] [stdout]  9 | |     /// A stream that yields `None` forever after the underlying stream yields `None` once.
[INFO] [stdout] 10 | |     ///
[INFO] [stdout] 11 | |     /// This `struct` is created by the [`fuse`] method on [`Stream`]. See its
[INFO] [stdout] ...  |
[INFO] [stdout] 22 | | }
[INFO] [stdout]    | |_^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `$crate::pin_project` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/stream/stream/ge.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / pin_project! {
[INFO] [stdout] 13 | |     // Determines if the elements of this `Stream` are lexicographically
[INFO] [stdout] 14 | |     // greater than or equal to those of another.
[INFO] [stdout] 15 | |     #[doc(hidden)]
[INFO] [stdout] ...  |
[INFO] [stdout] 21 | | }
[INFO] [stdout]    | |_^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `$crate::pin_project` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/stream/stream/gt.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / pin_project! {
[INFO] [stdout] 13 | |     // Determines if the elements of this `Stream` are lexicographically
[INFO] [stdout] 14 | |     // greater than those of another.
[INFO] [stdout] 15 | |     #[doc(hidden)]
[INFO] [stdout] ...  |
[INFO] [stdout] 21 | | }
[INFO] [stdout]    | |_^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `$crate::pin_project` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/stream/stream/inspect.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout]  8 | / pin_project! {
[INFO] [stdout]  9 | |     /// A stream that does something with each element of another stream.
[INFO] [stdout] 10 | |     ///
[INFO] [stdout] 11 | |     /// This `struct` is created by the [`inspect`] method on [`Stream`]. See its
[INFO] [stdout] ...  |
[INFO] [stdout] 22 | | }
[INFO] [stdout]    | |_^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `$crate::pin_project` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/stream/stream/last.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout]  9 | / pin_project! {
[INFO] [stdout] 10 | |     #[doc(hidden)]
[INFO] [stdout] 11 | |     #[allow(missing_debug_implementations)]
[INFO] [stdout] 12 | |     pub struct LastFuture<S, T> {
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | | }
[INFO] [stdout]    | |_^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `$crate::pin_project` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/stream/stream/le.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / pin_project! {
[INFO] [stdout] 13 | |     /// Determines if the elements of this `Stream` are lexicographically
[INFO] [stdout] 14 | |     /// less or equal to those of another.
[INFO] [stdout] 15 | |     #[doc(hidden)]
[INFO] [stdout] ...  |
[INFO] [stdout] 21 | | }
[INFO] [stdout]    | |_^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `$crate::pin_project` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/stream/stream/lt.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / pin_project! {
[INFO] [stdout] 13 | |     // Determines if the elements of this `Stream` are lexicographically
[INFO] [stdout] 14 | |     // less than those of another.
[INFO] [stdout] 15 | |     #[doc(hidden)]
[INFO] [stdout] ...  |
[INFO] [stdout] 21 | | }
[INFO] [stdout]    | |_^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `$crate::pin_project` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/stream/stream/map.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout]  8 | / pin_project! {
[INFO] [stdout]  9 | |     /// A stream that maps value of another stream with a function.
[INFO] [stdout] 10 | |     #[derive(Debug)]
[INFO] [stdout] 11 | |     pub struct Map<S, F> {
[INFO] [stdout] ...  |
[INFO] [stdout] 16 | | }
[INFO] [stdout]    | |_^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `$crate::pin_project` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/stream/stream/max.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / pin_project! {
[INFO] [stdout] 12 | |     #[doc(hidden)]
[INFO] [stdout] 13 | |     #[allow(missing_debug_implementations)]
[INFO] [stdout] 14 | |     pub struct MaxFuture<S, F, T> {
[INFO] [stdout] ...  |
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `$crate::pin_project` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/stream/stream/max_by.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | / pin_project! {
[INFO] [stdout] 11 | |     #[doc(hidden)]
[INFO] [stdout] 12 | |     #[allow(missing_debug_implementations)]
[INFO] [stdout] 13 | |     pub struct MaxByFuture<S, F, T> {
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | | }
[INFO] [stdout]    | |_^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `$crate::pin_project` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/stream/stream/max_by_key.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | / pin_project! {
[INFO] [stdout] 11 | |     #[doc(hidden)]
[INFO] [stdout] 12 | |     #[allow(missing_debug_implementations)]
[INFO] [stdout] 13 | |     pub struct MaxByKeyFuture<S, T, K> {
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | | }
[INFO] [stdout]    | |_^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `$crate::pin_project` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/stream/stream/min.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / pin_project! {
[INFO] [stdout] 12 | |     #[doc(hidden)]
[INFO] [stdout] 13 | |     #[allow(missing_debug_implementations)]
[INFO] [stdout] 14 | |     pub struct MinFuture<S, F, T> {
[INFO] [stdout] ...  |
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `$crate::pin_project` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/stream/stream/min_by.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | / pin_project! {
[INFO] [stdout] 11 | |     #[doc(hidden)]
[INFO] [stdout] 12 | |     #[allow(missing_debug_implementations)]
[INFO] [stdout] 13 | |     pub struct MinByFuture<S, F, T> {
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | | }
[INFO] [stdout]    | |_^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `$crate::pin_project` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/stream/stream/min_by_key.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | / pin_project! {
[INFO] [stdout] 11 | |     #[doc(hidden)]
[INFO] [stdout] 12 | |     #[allow(missing_debug_implementations)]
[INFO] [stdout] 13 | |     pub struct MinByKeyFuture<S, T, K> {
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | | }
[INFO] [stdout]    | |_^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `$crate::pin_project` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/stream/stream/ne.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | / pin_project! {
[INFO] [stdout] 12 | |     // Lexicographically compares the elements of this `Stream` with those
[INFO] [stdout] 13 | |     // of another.
[INFO] [stdout] 14 | |     #[doc(hidden)]
[INFO] [stdout] ...  |
[INFO] [stdout] 22 | | }
[INFO] [stdout]    | |_^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `$crate::pin_project` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/stream/stream/partial_cmp.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / pin_project! {
[INFO] [stdout] 13 | |     // Lexicographically compares the elements of this `Stream` with those
[INFO] [stdout] 14 | |     // of another.
[INFO] [stdout] 15 | |     #[doc(hidden)]
[INFO] [stdout] ...  |
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `$crate::pin_project` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/stream/stream/scan.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout]  8 | / pin_project! {
[INFO] [stdout]  9 | |     /// A stream to maintain state while polling another stream.
[INFO] [stdout] 10 | |     ///
[INFO] [stdout] 11 | |     /// This `struct` is created by the [`scan`] method on [`Stream`]. See its
[INFO] [stdout] ...  |
[INFO] [stdout] 22 | | }
[INFO] [stdout]    | |_^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `$crate::pin_project` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/stream/stream/skip.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout]  8 | / pin_project! {
[INFO] [stdout]  9 | |     /// A stream to skip first n elements of another stream.
[INFO] [stdout] 10 | |     ///
[INFO] [stdout] 11 | |     /// This `struct` is created by the [`skip`] method on [`Stream`]. See its
[INFO] [stdout] ...  |
[INFO] [stdout] 22 | | }
[INFO] [stdout]    | |_^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `$crate::pin_project` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/stream/stream/skip_while.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout]  8 | / pin_project! {
[INFO] [stdout]  9 | |     /// A stream to skip elements of another stream based on a predicate.
[INFO] [stdout] 10 | |     ///
[INFO] [stdout] 11 | |     /// This `struct` is created by the [`skip_while`] method on [`Stream`]. See its
[INFO] [stdout] ...  |
[INFO] [stdout] 22 | | }
[INFO] [stdout]    | |_^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `$crate::pin_project` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/stream/stream/step_by.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout]  8 | / pin_project! {
[INFO] [stdout]  9 | |     /// A stream that steps a given amount of elements of another stream.
[INFO] [stdout] 10 | |     ///
[INFO] [stdout] 11 | |     /// This `struct` is created by the [`step_by`] method on [`Stream`]. See its
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | | }
[INFO] [stdout]    | |_^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `$crate::pin_project` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/stream/stream/take.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout]  8 | / pin_project! {
[INFO] [stdout]  9 | |     /// A stream that yields the first `n` items of another stream.
[INFO] [stdout] 10 | |     ///
[INFO] [stdout] 11 | |     /// This `struct` is created by the [`take`] method on [`Stream`]. See its
[INFO] [stdout] ...  |
[INFO] [stdout] 22 | | }
[INFO] [stdout]    | |_^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `$crate::pin_project` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/stream/stream/take_while.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout]  8 | / pin_project! {
[INFO] [stdout]  9 | |     /// A stream that yields elements based on a predicate.
[INFO] [stdout] 10 | |     ///
[INFO] [stdout] 11 | |     /// This `struct` is created by the [`take_while`] method on [`Stream`]. See its
[INFO] [stdout] ...  |
[INFO] [stdout] 22 | | }
[INFO] [stdout]    | |_^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `$crate::pin_project` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/stream/stream/zip.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout]  9 | / pin_project! {
[INFO] [stdout] 10 | |     /// A stream that takes items from two other streams simultaneously.
[INFO] [stdout] 11 | |     ///
[INFO] [stdout] 12 | |     /// This `struct` is created by the [`zip`] method on [`Stream`]. See its
[INFO] [stdout] ...  |
[INFO] [stdout] 24 | | }
[INFO] [stdout]    | |_^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `$crate::pin_project` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/stream/from_iter.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | / pin_project! {
[INFO] [stdout] 11 | |     /// A stream that was created from iterator.
[INFO] [stdout] 12 | |     ///
[INFO] [stdout] 13 | |     /// This stream is created by the [`from_iter`] function.
[INFO] [stdout] ...  |
[INFO] [stdout] 21 | | }
[INFO] [stdout]    | |_^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `$crate::pin_project` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/stream/once.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | / pin_project! {
[INFO] [stdout] 33 | |     /// A stream that yields a single item.
[INFO] [stdout] 34 | |     ///
[INFO] [stdout] 35 | |     /// This stream is created by the [`once`] function. See its
[INFO] [stdout] ...  |
[INFO] [stdout] 43 | | }
[INFO] [stdout]    | |_^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `$crate::pin_project` which comes from the expansion of the macro `pin_project` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.87s
[INFO] running `Command { std: "docker" "inspect" "99d27b73f4eb74b7e1ef3cbbb3019130d5533a4de773d269a1607d32a35f426d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99d27b73f4eb74b7e1ef3cbbb3019130d5533a4de773d269a1607d32a35f426d", kill_on_drop: false }`
[INFO] [stdout] 99d27b73f4eb74b7e1ef3cbbb3019130d5533a4de773d269a1607d32a35f426d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f51a9ff277579689c023521365b25dd25ff125f168c256d7188c474a650b74d5
[INFO] running `Command { std: "docker" "start" "-a" "f51a9ff277579689c023521365b25dd25ff125f168c256d7188c474a650b74d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling smallvec v1.3.0
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling version_check v0.9.1
[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 futures v0.1.29
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[INFO] [stderr]    Compiling curl v0.4.28
[INFO] [stderr]    Compiling futures-sink v0.3.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling futures-channel v0.3.4
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling parking_lot_core v0.7.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stdout] error[E0512]: cannot transmute between types of different sizes, or dependently-sized types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/socket2-0.3.12/src/sockaddr.rs:176:9
[INFO] [stdout]     |
[INFO] [stdout] 176 |         mem::transmute::<SocketAddrV4, sockaddr_in>(v4);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: source type: `SocketAddrV4` (48 bits)
[INFO] [stdout]     = note: target type: `sockaddr_in` (128 bits)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0512`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `socket2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f51a9ff277579689c023521365b25dd25ff125f168c256d7188c474a650b74d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f51a9ff277579689c023521365b25dd25ff125f168c256d7188c474a650b74d5", kill_on_drop: false }`
[INFO] [stdout] f51a9ff277579689c023521365b25dd25ff125f168c256d7188c474a650b74d5
