[INFO] cloning repository https://github.com/Altanis/tokio-bichannel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Altanis/tokio-bichannel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAltanis%2Ftokio-bichannel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAltanis%2Ftokio-bichannel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c700e86e4234271ee02cf231534955b796b24f24
[INFO] testing Altanis/tokio-bichannel against master#cced03bfd61a304243a34504618ecec86c17063f for pr-154065-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAltanis%2Ftokio-bichannel" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Altanis/tokio-bichannel
[INFO] finished tweaking git repo https://github.com/Altanis/tokio-bichannel
[INFO] tweaked toml for git repo https://github.com/Altanis/tokio-bichannel written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Altanis/tokio-bichannel on toolchain cced03bfd61a304243a34504618ecec86c17063f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Altanis/tokio-bichannel 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" "+cced03bfd61a304243a34504618ecec86c17063f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytes v1.6.1
[INFO] [stderr]   Downloaded redox_syscall v0.5.2
[INFO] [stderr]   Downloaded cc v1.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 590f72f0b1259267cbeed329f22c5b8b9014dc17537cfde288bdd8e49681e448
[INFO] running `Command { std: "docker" "start" "-a" "590f72f0b1259267cbeed329f22c5b8b9014dc17537cfde288bdd8e49681e448", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "590f72f0b1259267cbeed329f22c5b8b9014dc17537cfde288bdd8e49681e448", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "590f72f0b1259267cbeed329f22c5b8b9014dc17537cfde288bdd8e49681e448", kill_on_drop: false }`
[INFO] [stdout] 590f72f0b1259267cbeed329f22c5b8b9014dc17537cfde288bdd8e49681e448
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6d5afaf26664703e47b1610c42ff70b8edb9bb7e3dcf0c4b29617f27509696e
[INFO] running `Command { std: "docker" "start" "-a" "c6d5afaf26664703e47b1610c42ff70b8edb9bb7e3dcf0c4b29617f27509696e", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v1.39.2
[INFO] [stderr]    Compiling tokio-bichannel v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "c6d5afaf26664703e47b1610c42ff70b8edb9bb7e3dcf0c4b29617f27509696e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6d5afaf26664703e47b1610c42ff70b8edb9bb7e3dcf0c4b29617f27509696e", kill_on_drop: false }`
[INFO] [stdout] c6d5afaf26664703e47b1610c42ff70b8edb9bb7e3dcf0c4b29617f27509696e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ff54d602d5b4ca1c531851c1bf04f4e9f9af55aca50a1eccdbc9a15523c04c2
[INFO] running `Command { std: "docker" "start" "-a" "3ff54d602d5b4ca1c531851c1bf04f4e9f9af55aca50a1eccdbc9a15523c04c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytes v1.6.1
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling tokio v1.39.2
[INFO] [stderr]    Compiling tokio-bichannel v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:167:14
[INFO] [stdout]     |
[INFO] [stdout] 167 |         let (mut chan1, mut chan2) = channel::<String, String>(10);
[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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 11.99s
[INFO] running `Command { std: "docker" "inspect" "3ff54d602d5b4ca1c531851c1bf04f4e9f9af55aca50a1eccdbc9a15523c04c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ff54d602d5b4ca1c531851c1bf04f4e9f9af55aca50a1eccdbc9a15523c04c2", kill_on_drop: false }`
[INFO] [stdout] 3ff54d602d5b4ca1c531851c1bf04f4e9f9af55aca50a1eccdbc9a15523c04c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 153e4d71313229ae94522c7c0e708365d82e887967a2d0710bd29bce921c5174
[INFO] running `Command { std: "docker" "start" "-a" "153e4d71313229ae94522c7c0e708365d82e887967a2d0710bd29bce921c5174", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:167:14
[INFO] [stderr]     |
[INFO] [stderr] 167 |         let (mut chan1, mut chan2) = channel::<String, String>(10);
[INFO] [stderr]     |              ----^^^^^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tokio-bichannel` (lib test) generated 1 warning (run `cargo fix --lib -p tokio-bichannel --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tokio_bichannel-a824aeb2a1a2f836)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_send_recv ... ok
[INFO] [stdout] test tests::test_try_recv ... ok
[INFO] [stdout] test tests::test_threading ... ok
[INFO] [stderr]    Doc-tests tokio_bichannel
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - Channel<S,R>::recv (line 51) ... FAILED
[INFO] [stdout] test src/lib.rs - Channel (line 8) ... FAILED
[INFO] [stdout] test src/lib.rs - Channel<S,R>::send (line 36) ... FAILED
[INFO] [stdout] test src/lib.rs - Channel<S,R>::try_send (line 72) ... FAILED
[INFO] [stdout] test src/lib.rs - Channel<S,R>::try_recv (line 89) ... FAILED
[INFO] [stdout] test src/lib.rs - channel (line 112) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Channel<S,R>::recv (line 51) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `channel` in this scope
[INFO] [stdout]   --> src/lib.rs:52:23
[INFO] [stdout]    |
[INFO] [stdout] 52 | while let Some(msg) = channel.recv().await {
[INFO] [stdout]    |                       ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these functions
[INFO] [stdout]    |
[INFO] [stdout] 51 + use std::sync::mpmc::channel;
[INFO] [stdout]    |
[INFO] [stdout] 51 + use std::sync::mpsc::channel;
[INFO] [stdout]    |
[INFO] [stdout] 51 + use std::sync::oneshot::channel;
[INFO] [stdout]    |
[INFO] [stdout] 51 + use tokio::sync::broadcast::channel;
[INFO] [stdout]    |
[INFO] [stdout]    = and 4 other candidates
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]   --> src/lib.rs:52:38
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_51_0() {
[INFO] [stdout]    |                                      ---------------------------------- this is not `async`
[INFO] [stdout] 52 | while let Some(msg) = channel.recv().await {
[INFO] [stdout]    |                                      ^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0728.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Channel (line 8) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `channel` in this scope
[INFO] [stdout]  --> src/lib.rs:9:22
[INFO] [stdout]   |
[INFO] [stdout] 9 | let (mut l, mut r) = channel::<String, String>(10);
[INFO] [stdout]   |                      ^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these functions
[INFO] [stdout]   |
[INFO] [stdout] 8 + use std::sync::mpmc::channel;
[INFO] [stdout]   |
[INFO] [stdout] 8 + use std::sync::mpsc::channel;
[INFO] [stdout]   |
[INFO] [stdout] 8 + use std::sync::oneshot::channel;
[INFO] [stdout]   |
[INFO] [stdout] 8 + use tokio::sync::broadcast::channel;
[INFO] [stdout]   |
[INFO] [stdout]   = and 4 other candidates
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]   --> src/lib.rs:11:40
[INFO] [stdout]    |
[INFO] [stdout]  8 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_8_0() {
[INFO] [stdout]    |                                      --------------------------------- this is not `async`
[INFO] [stdout] ...
[INFO] [stdout] 11 | l.send("Hello from chan1".to_string()).await.unwrap();
[INFO] [stdout]    |                                        ^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]   --> src/lib.rs:12:40
[INFO] [stdout]    |
[INFO] [stdout]  8 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_8_0() {
[INFO] [stdout]    |                                      --------------------------------- this is not `async`
[INFO] [stdout] ...
[INFO] [stdout] 12 | r.send("Hello from chan2".to_string()).await.unwrap();
[INFO] [stdout]    |                                        ^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]   --> src/lib.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout]  8 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_8_0() {
[INFO] [stdout]    |                                      --------------------------------- this is not `async`
[INFO] [stdout] ...
[INFO] [stdout] 14 | assert_eq!(r.recv().await.unwrap(), "Hello from chan1");
[INFO] [stdout]    |                     ^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]   --> src/lib.rs:15:21
[INFO] [stdout]    |
[INFO] [stdout]  8 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_8_0() {
[INFO] [stdout]    |                                      --------------------------------- this is not `async`
[INFO] [stdout] ...
[INFO] [stdout] 15 | assert_eq!(l.recv().await.unwrap(), "Hello from chan2");
[INFO] [stdout]    |                     ^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0728.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Channel<S,R>::send (line 36) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `channel` in this scope
[INFO] [stdout]   --> src/lib.rs:37:1
[INFO] [stdout]    |
[INFO] [stdout] 37 | channel.send("Hello".to_string()).await.unwrap();
[INFO] [stdout]    | ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these functions
[INFO] [stdout]    |
[INFO] [stdout] 36 + use std::sync::mpmc::channel;
[INFO] [stdout]    |
[INFO] [stdout] 36 + use std::sync::mpsc::channel;
[INFO] [stdout]    |
[INFO] [stdout] 36 + use std::sync::oneshot::channel;
[INFO] [stdout]    |
[INFO] [stdout] 36 + use tokio::sync::broadcast::channel;
[INFO] [stdout]    |
[INFO] [stdout]    = and 4 other candidates
[INFO] [stdout] 
[INFO] [stdout] error[E0728]: `await` is only allowed inside `async` functions and blocks
[INFO] [stdout]   --> src/lib.rs:37:35
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_36_0() {
[INFO] [stdout]    |                                      ---------------------------------- this is not `async`
[INFO] [stdout] 37 | channel.send("Hello".to_string()).await.unwrap();
[INFO] [stdout]    |                                   ^^^^^ only allowed inside `async` functions and blocks
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0728.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Channel<S,R>::try_send (line 72) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `channel` in this scope
[INFO] [stdout]   --> src/lib.rs:73:7
[INFO] [stdout]    |
[INFO] [stdout] 73 | match channel.try_send("Hello".to_string()) {
[INFO] [stdout]    |       ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these functions
[INFO] [stdout]    |
[INFO] [stdout] 72 + use std::sync::mpmc::channel;
[INFO] [stdout]    |
[INFO] [stdout] 72 + use std::sync::mpsc::channel;
[INFO] [stdout]    |
[INFO] [stdout] 72 + use std::sync::oneshot::channel;
[INFO] [stdout]    |
[INFO] [stdout] 72 + use tokio::sync::broadcast::channel;
[INFO] [stdout]    |
[INFO] [stdout]    = and 4 other candidates
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Channel<S,R>::try_recv (line 89) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `channel` in this scope
[INFO] [stdout]   --> src/lib.rs:90:7
[INFO] [stdout]    |
[INFO] [stdout] 90 | match channel.try_recv() {
[INFO] [stdout]    |       ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these functions
[INFO] [stdout]    |
[INFO] [stdout] 89 + use std::sync::mpmc::channel;
[INFO] [stdout]    |
[INFO] [stdout] 89 + use std::sync::mpsc::channel;
[INFO] [stdout]    |
[INFO] [stdout] 89 + use std::sync::oneshot::channel;
[INFO] [stdout]    |
[INFO] [stdout] 89 + use tokio::sync::broadcast::channel;
[INFO] [stdout]    |
[INFO] [stdout]    = and 4 other candidates
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - Channel (line 8)
[INFO] [stdout]     src/lib.rs - Channel<S,R>::recv (line 51)
[INFO] [stdout]     src/lib.rs - Channel<S,R>::send (line 36)
[INFO] [stdout]     src/lib.rs - Channel<S,R>::try_recv (line 89)
[INFO] [stdout]     src/lib.rs - Channel<S,R>::try_send (line 72)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 5 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.47s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "153e4d71313229ae94522c7c0e708365d82e887967a2d0710bd29bce921c5174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "153e4d71313229ae94522c7c0e708365d82e887967a2d0710bd29bce921c5174", kill_on_drop: false }`
[INFO] [stdout] 153e4d71313229ae94522c7c0e708365d82e887967a2d0710bd29bce921c5174
