[INFO] fetching crate channels 0.11.2...
[INFO] testing channels-0.11.2 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate channels 0.11.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate channels 0.11.2 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate channels 0.11.2
[INFO] finished tweaking crates.io crate channels 0.11.2
[INFO] tweaked toml for crates.io crate channels 0.11.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 46 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.21.0 (latest: v0.22.0)
[INFO] [stderr]       Adding cfg_aliases v0.1.1 (latest: v0.2.1)
[INFO] [stderr]       Adding gimli v0.28.1 (latest: v0.29.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.35.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded channels-packet v0.1.1
[INFO] [stderr]   Downloaded channels-serdes v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33a28ea797c9111dec73027d2fcfd35030818fa52509be0ff05ffe241fd69328
[INFO] running `Command { std: "docker" "start" "-a" "33a28ea797c9111dec73027d2fcfd35030818fa52509be0ff05ffe241fd69328", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33a28ea797c9111dec73027d2fcfd35030818fa52509be0ff05ffe241fd69328", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33a28ea797c9111dec73027d2fcfd35030818fa52509be0ff05ffe241fd69328", kill_on_drop: false }`
[INFO] [stdout] 33a28ea797c9111dec73027d2fcfd35030818fa52509be0ff05ffe241fd69328
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f77f407fa6784c6c0dcc121a1506988176ae1936bf6ef4ff08400f840ebbedb
[INFO] running `Command { std: "docker" "start" "-a" "9f77f407fa6784c6c0dcc121a1506988176ae1936bf6ef4ff08400f840ebbedb", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.202
[INFO] [stderr]    Compiling channels-serdes v0.1.2
[INFO] [stderr]    Compiling channels-packet v0.1.1
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling channels v0.11.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `channels_nightly`
[INFO] [stdout]   --> src/lib.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 | #![cfg_attr(channels_nightly, feature(doc_auto_cfg))]
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows`
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(channels_nightly)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `unwrap_or`, `unwrap_or_else`, and `unwrap_or_default` are never used
[INFO] [stdout]   --> src/util.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub trait PollExt<T>: Sized {
[INFO] [stdout]    |           ------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 46 |     fn unwrap_or(self, other: T) -> T {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     fn unwrap_or_else<F>(self, f: F) -> T
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn unwrap_or_default(self) -> T
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.14s
[INFO] running `Command { std: "docker" "inspect" "9f77f407fa6784c6c0dcc121a1506988176ae1936bf6ef4ff08400f840ebbedb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f77f407fa6784c6c0dcc121a1506988176ae1936bf6ef4ff08400f840ebbedb", kill_on_drop: false }`
[INFO] [stdout] 9f77f407fa6784c6c0dcc121a1506988176ae1936bf6ef4ff08400f840ebbedb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fffd7a1e4776a83ba9a2582c45f63f0777543940ba4ff53d445b0a14e7ce870c
[INFO] running `Command { std: "docker" "start" "-a" "fffd7a1e4776a83ba9a2582c45f63f0777543940ba4ff53d445b0a14e7ce870c", kill_on_drop: false }`
[INFO] [stderr]    Compiling channels v0.11.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `channels_nightly`
[INFO] [stdout]   --> src/lib.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 | #![cfg_attr(channels_nightly, feature(doc_auto_cfg))]
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows`
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(channels_nightly)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `unwrap_or`, `unwrap_or_else`, and `unwrap_or_default` are never used
[INFO] [stdout]   --> src/util.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub trait PollExt<T>: Sized {
[INFO] [stdout]    |           ------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 46 |     fn unwrap_or(self, other: T) -> T {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     fn unwrap_or_else<F>(self, f: F) -> T
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn unwrap_or_default(self) -> T
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `channels_nightly`
[INFO] [stdout]   --> src/lib.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 | #![cfg_attr(channels_nightly, feature(doc_auto_cfg))]
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows`
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(channels_nightly)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `unwrap_or`, `unwrap_or_else`, and `unwrap_or_default` are never used
[INFO] [stdout]   --> src/util.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub trait PollExt<T>: Sized {
[INFO] [stdout]    |           ------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 46 |     fn unwrap_or(self, other: T) -> T {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     fn unwrap_or_else<F>(self, f: F) -> T
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn unwrap_or_default(self) -> T
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "fffd7a1e4776a83ba9a2582c45f63f0777543940ba4ff53d445b0a14e7ce870c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fffd7a1e4776a83ba9a2582c45f63f0777543940ba4ff53d445b0a14e7ce870c", kill_on_drop: false }`
[INFO] [stdout] fffd7a1e4776a83ba9a2582c45f63f0777543940ba4ff53d445b0a14e7ce870c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 83d283f1ce9c0cc8de28e2e7cac00d2a2a4ce6873185b077c0d54ba717120e31
[INFO] running `Command { std: "docker" "start" "-a" "83d283f1ce9c0cc8de28e2e7cac00d2a2a4ce6873185b077c0d54ba717120e31", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition name: `channels_nightly`
[INFO] [stderr]   --> src/lib.rs:86:13
[INFO] [stderr]    |
[INFO] [stderr] 86 | #![cfg_attr(channels_nightly, feature(doc_auto_cfg))]
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows`
[INFO] [stderr]    = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(channels_nightly)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stderr]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `unwrap_or`, `unwrap_or_else`, and `unwrap_or_default` are never used
[INFO] [stderr]   --> src/util.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub trait PollExt<T>: Sized {
[INFO] [stderr]    |           ------- methods in this trait
[INFO] [stderr] ...
[INFO] [stderr] 46 |     fn unwrap_or(self, other: T) -> T {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 52 |     fn unwrap_or_else<F>(self, f: F) -> T
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 59 |     fn unwrap_or_default(self) -> T
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `channels` (lib) generated 2 warnings
[INFO] [stderr] warning: `channels` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/channels-469b162304cd301d)
[INFO] [stderr]    Doc-tests channels
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test src/receiver.rs - receiver::Builder<T,(),()>::new (line 290) - compile ... ok
[INFO] [stdout] test src/receiver.rs - receiver::Builder<T,R,()>::deserializer (line 345) - compile ... ok
[INFO] [stdout] test src/receiver.rs - receiver::Builder<T,(),D>::reader (line 320) - compile ... ok
[INFO] [stdout] test src/lib.rs - channel (line 118) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 26) - compile ... ok
[INFO] [stdout] test src/lib.rs - channel (line 130) - compile ... FAILED
[INFO] [stdout] test src/receiver.rs - receiver::Receiver<T,(),()>::builder (line 30) - compile ... ok
[INFO] [stdout] test src/receiver.rs - receiver::Builder<T,(),D>::reader (line 327) - compile ... FAILED
[INFO] [stdout] test src/lib.rs - (line 7) - compile ... FAILED
[INFO] [stdout] test src/receiver.rs - receiver::Receiver<T,R,D>::with_deserializer (line 84) - compile ... ok
[INFO] [stdout] test src/receiver.rs - receiver::Builder<T,R,D>::build (line 368) - compile ... ok
[INFO] [stdout] test src/receiver.rs - receiver::Receiver<T,R,crate::serdes::Bincode>::new (line 56) - compile ... ok
[INFO] [stdout] test src/receiver.rs - receiver::Receiver<T,R,D>::incoming (line 188) - compile ... FAILED
[INFO] [stdout] test src/receiver.rs - receiver::Receiver<T,R,D>::incoming (line 174) - compile ... ok
[INFO] [stdout] test src/receiver.rs - receiver::Receiver<T,R,D>::with_deserializer (line 96) - compile ... FAILED
[INFO] [stdout] test src/sender.rs - sender::Builder<T,(),()>::new (line 248) - compile ... ok
[INFO] [stdout] test src/sender.rs - sender::Builder<T,(),S>::writer (line 278) - compile ... ok
[INFO] [stdout] test src/sender.rs - sender::Builder<T,W,()>::serializer (line 303) - compile ... ok
[INFO] [stdout] test src/sender.rs - sender::Builder<T,W,S>::build (line 323) - compile ... ok
[INFO] [stdout] test src/sender.rs - sender::Sender<T,(),()>::builder (line 31) - compile ... ok
[INFO] [stdout] test src/receiver.rs - receiver::Receiver<T,R,crate::serdes::Bincode>::new (line 63) - compile ... FAILED
[INFO] [stdout] test src/sender.rs - sender::Builder<T,(),S>::writer (line 285) - compile ... FAILED
[INFO] [stdout] test src/sender.rs - sender::Sender<T,W,S>::with_serializer (line 85) - compile ... ok
[INFO] [stdout] test src/sender.rs - sender::Sender<T,W,S>::with_serializer (line 97) - compile ... FAILED
[INFO] [stdout] test src/sender.rs - sender::Sender<T,W,crate::serdes::Bincode>::new (line 57) - compile ... ok
[INFO] [stdout] test src/sender.rs - sender::Sender<T,W,crate::serdes::Bincode>::new (line 64) - compile ... FAILED
[INFO] [stdout] test src/receiver.rs - receiver::Receiver<T,R,D>::get (line 116) ... ok
[INFO] [stdout] test src/receiver.rs - receiver::Receiver<T,R,D>::get_mut (line 144) ... ok
[INFO] [stdout] test src/sender.rs - sender::Sender<T,W,S>::get (line 117) ... ok
[INFO] [stdout] test src/sender.rs - sender::Sender<T,W,S>::get_mut (line 149) ... ok
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - channel (line 130) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tokio`
[INFO] [stdout]  --> src/lib.rs:132:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio::net::TcpStream;
[INFO] [stdout]   |     ^^^^^ use of undeclared crate or module `tokio`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tokio`
[INFO] [stdout]  --> src/lib.rs:134:3
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[tokio::main]
[INFO] [stdout]   |   ^^^^^ use of undeclared crate or module `tokio`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `send` found for struct `channels::Sender` in the current scope
[INFO] [stdout]   --> src/lib.rs:140:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     tx.send(42_i32).await.unwrap();
[INFO] [stdout]    |        ^^^^ method not found in `Sender<_, _, Bincode>`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `recv` found for struct `channels::Receiver` in the current scope
[INFO] [stdout]   --> src/lib.rs:141:28
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let received: i32 = rx.recv().await.unwrap();
[INFO] [stdout]    |                            ^^^^ method not found in `Receiver<_, _, Bincode>`
[INFO] [stdout] 
[INFO] [stdout] error[E0752]: `main` function is not allowed to be `async`
[INFO] [stdout]  --> src/lib.rs:135:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | async fn main() {
[INFO] [stdout]   | ^^^^^^^^^^^^^^^ `main` function is not allowed to be `async`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0599, E0752.
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/receiver.rs - receiver::Builder<T,(),D>::reader (line 327) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tokio`
[INFO] [stdout]  --> src/receiver.rs:330:25
[INFO] [stdout]   |
[INFO] [stdout] 6 |                 .reader(tokio::io::empty());
[INFO] [stdout]   |                         ^^^^^ use of undeclared crate or module `tokio`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::io;
[INFO] [stdout]   |
[INFO] [stdout] help: if you import `io`, refer to it directly
[INFO] [stdout]   |
[INFO] [stdout] 6 -                 .reader(tokio::io::empty());
[INFO] [stdout] 6 +                 .reader(io::empty());
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 7) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tokio`
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio::net::TcpStream;
[INFO] [stdout]   |     ^^^^^ use of undeclared crate or module `tokio`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tokio`
[INFO] [stdout]  --> src/lib.rs:10:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio::net::tcp::{OwnedReadHalf, OwnedWriteHalf};
[INFO] [stdout]   |     ^^^^^ use of undeclared crate or module `tokio`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tokio`
[INFO] [stdout]  --> src/lib.rs:13:3
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[tokio::main]
[INFO] [stdout]   |   ^^^^^ use of undeclared crate or module `tokio`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `recv` found for struct `channels::Receiver` in the current scope
[INFO] [stdout]   --> src/lib.rs:19:16
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let r = rx.recv().await.unwrap();
[INFO] [stdout]    |                ^^^^ method not found in `Receiver<i32, _, Bincode>`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `send` found for struct `channels::Sender` in the current scope
[INFO] [stdout]   --> src/lib.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     tx.send(r).await.unwrap();
[INFO] [stdout]    |        ^^^^ method not found in `Sender<i32, _, Bincode>`
[INFO] [stdout] 
[INFO] [stdout] error[E0752]: `main` function is not allowed to be `async`
[INFO] [stdout]  --> src/lib.rs:14:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | async fn main() {
[INFO] [stdout]   | ^^^^^^^^^^^^^^^ `main` function is not allowed to be `async`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0599, E0752.
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/receiver.rs - receiver::Receiver<T,R,D>::incoming (line 188) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tokio`
[INFO] [stdout]  --> src/receiver.rs:190:3
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[tokio::main]
[INFO] [stdout]   |   ^^^^^ use of undeclared crate or module `tokio`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tokio`
[INFO] [stdout]   --> src/receiver.rs:198:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         tokio::select! {
[INFO] [stdout]    |         ^^^^^ use of undeclared crate or module `tokio`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tokio`
[INFO] [stdout]  --> src/receiver.rs:192:18
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let reader = tokio::io::empty();
[INFO] [stdout]   |                  ^^^^^ use of undeclared crate or module `tokio`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::io;
[INFO] [stdout]   |
[INFO] [stdout] help: if you import `io`, refer to it directly
[INFO] [stdout]   |
[INFO] [stdout] 6 -     let reader = tokio::io::empty();
[INFO] [stdout] 6 +     let reader = io::empty();
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0752]: `main` function is not allowed to be `async`
[INFO] [stdout]  --> src/receiver.rs:191:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | async fn main() {
[INFO] [stdout]   | ^^^^^^^^^^^^^^^ `main` function is not allowed to be `async`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0752.
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/receiver.rs - receiver::Receiver<T,R,D>::with_deserializer (line 96) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tokio`
[INFO] [stdout]  --> src/receiver.rs:99:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | let reader = tokio::io::empty();
[INFO] [stdout]   |              ^^^^^ use of undeclared crate or module `tokio`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::io;
[INFO] [stdout]   |
[INFO] [stdout] help: if you import `io`, refer to it directly
[INFO] [stdout]   |
[INFO] [stdout] 6 - let reader = tokio::io::empty();
[INFO] [stdout] 6 + let reader = io::empty();
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/receiver.rs - receiver::Receiver<T,R,crate::serdes::Bincode>::new (line 63) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tokio`
[INFO] [stdout]  --> src/receiver.rs:65:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | let reader = tokio::io::empty();
[INFO] [stdout]   |              ^^^^^ use of undeclared crate or module `tokio`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::io;
[INFO] [stdout]   |
[INFO] [stdout] help: if you import `io`, refer to it directly
[INFO] [stdout]   |
[INFO] [stdout] 5 - let reader = tokio::io::empty();
[INFO] [stdout] 5 + let reader = io::empty();
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/sender.rs - sender::Builder<T,(),S>::writer (line 285) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tokio`
[INFO] [stdout]  --> src/sender.rs:288:25
[INFO] [stdout]   |
[INFO] [stdout] 6 |                 .writer(tokio::io::sink());
[INFO] [stdout]   |                         ^^^^^ use of undeclared crate or module `tokio`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::io;
[INFO] [stdout]   |
[INFO] [stdout] help: if you import `io`, refer to it directly
[INFO] [stdout]   |
[INFO] [stdout] 6 -                 .writer(tokio::io::sink());
[INFO] [stdout] 6 +                 .writer(io::sink());
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/sender.rs - sender::Sender<T,W,S>::with_serializer (line 97) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tokio`
[INFO] [stdout]  --> src/sender.rs:100:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | let writer = tokio::io::sink();
[INFO] [stdout]   |              ^^^^^ use of undeclared crate or module `tokio`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::io;
[INFO] [stdout]   |
[INFO] [stdout] help: if you import `io`, refer to it directly
[INFO] [stdout]   |
[INFO] [stdout] 6 - let writer = tokio::io::sink();
[INFO] [stdout] 6 + let writer = io::sink();
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/sender.rs - sender::Sender<T,W,crate::serdes::Bincode>::new (line 64) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tokio`
[INFO] [stdout]  --> src/sender.rs:66:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | let writer = tokio::io::sink();
[INFO] [stdout]   |              ^^^^^ use of undeclared crate or module `tokio`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::io;
[INFO] [stdout]   |
[INFO] [stdout] help: if you import `io`, refer to it directly
[INFO] [stdout]   |
[INFO] [stdout] 5 - let writer = tokio::io::sink();
[INFO] [stdout] 5 + let writer = io::sink();
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 7)
[INFO] [stdout]     src/lib.rs - channel (line 130)
[INFO] [stdout]     src/receiver.rs - receiver::Builder<T,(),D>::reader (line 327)
[INFO] [stdout]     src/receiver.rs - receiver::Receiver<T,R,D>::incoming (line 188)
[INFO] [stdout]     src/receiver.rs - receiver::Receiver<T,R,D>::with_deserializer (line 96)
[INFO] [stdout]     src/receiver.rs - receiver::Receiver<T,R,crate::serdes::Bincode>::new (line 63)
[INFO] [stdout]     src/sender.rs - sender::Builder<T,(),S>::writer (line 285)
[INFO] [stdout]     src/sender.rs - sender::Sender<T,W,S>::with_serializer (line 97)
[INFO] [stdout]     src/sender.rs - sender::Sender<T,W,crate::serdes::Bincode>::new (line 64)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 21 passed; 9 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.84s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "83d283f1ce9c0cc8de28e2e7cac00d2a2a4ce6873185b077c0d54ba717120e31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83d283f1ce9c0cc8de28e2e7cac00d2a2a4ce6873185b077c0d54ba717120e31", kill_on_drop: false }`
[INFO] [stdout] 83d283f1ce9c0cc8de28e2e7cac00d2a2a4ce6873185b077c0d54ba717120e31
[INFO] testing channels-0.11.2 against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] extracting crate channels 0.11.2 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate channels 0.11.2 on toolchain b642703cf9526da1e72c0b6755753b939a9c6b6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate channels 0.11.2
[INFO] finished tweaking crates.io crate channels 0.11.2
[INFO] tweaked toml for crates.io crate channels 0.11.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 46 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.21.0 (latest: v0.22.0)
[INFO] [stderr]       Adding cfg_aliases v0.1.1 (latest: v0.2.1)
[INFO] [stderr]       Adding gimli v0.28.1 (latest: v0.29.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.35.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f30f906b16f1e6cee0f2c20d6bfcc3e95ecb0e488e666fb5b7698ffe278a831
[INFO] running `Command { std: "docker" "start" "-a" "8f30f906b16f1e6cee0f2c20d6bfcc3e95ecb0e488e666fb5b7698ffe278a831", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f30f906b16f1e6cee0f2c20d6bfcc3e95ecb0e488e666fb5b7698ffe278a831", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f30f906b16f1e6cee0f2c20d6bfcc3e95ecb0e488e666fb5b7698ffe278a831", kill_on_drop: false }`
[INFO] [stdout] 8f30f906b16f1e6cee0f2c20d6bfcc3e95ecb0e488e666fb5b7698ffe278a831
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33341b3df0d2fb105db9a574b6a26a27e1a3fcbb8f145f923b216fe0dfb6a128
[INFO] running `Command { std: "docker" "start" "-a" "33341b3df0d2fb105db9a574b6a26a27e1a3fcbb8f145f923b216fe0dfb6a128", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.202
[INFO] [stderr]    Compiling channels-serdes v0.1.2
[INFO] [stderr]    Compiling channels-packet v0.1.1
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling channels v0.11.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `channels_nightly`
[INFO] [stdout]   --> src/lib.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 | #![cfg_attr(channels_nightly, feature(doc_auto_cfg))]
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows`
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(channels_nightly)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `unwrap_or`, `unwrap_or_else`, and `unwrap_or_default` are never used
[INFO] [stdout]   --> src/util.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub trait PollExt<T>: Sized {
[INFO] [stdout]    |           ------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 46 |     fn unwrap_or(self, other: T) -> T {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     fn unwrap_or_else<F>(self, f: F) -> T
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn unwrap_or_default(self) -> T
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.54s
[INFO] running `Command { std: "docker" "inspect" "33341b3df0d2fb105db9a574b6a26a27e1a3fcbb8f145f923b216fe0dfb6a128", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33341b3df0d2fb105db9a574b6a26a27e1a3fcbb8f145f923b216fe0dfb6a128", kill_on_drop: false }`
[INFO] [stdout] 33341b3df0d2fb105db9a574b6a26a27e1a3fcbb8f145f923b216fe0dfb6a128
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29653dfb68f590cbb2367818c6f002ab5f8844019646dbcfaa6c51dad51cccd3
[INFO] running `Command { std: "docker" "start" "-a" "29653dfb68f590cbb2367818c6f002ab5f8844019646dbcfaa6c51dad51cccd3", kill_on_drop: false }`
[INFO] [stdout] warning: unexpected `cfg` condition name: `channels_nightly`
[INFO] [stdout]   --> src/lib.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 | #![cfg_attr(channels_nightly, feature(doc_auto_cfg))]
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows`
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(channels_nightly)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling channels v0.11.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `unwrap_or`, `unwrap_or_else`, and `unwrap_or_default` are never used
[INFO] [stdout]   --> src/util.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub trait PollExt<T>: Sized {
[INFO] [stdout]    |           ------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 46 |     fn unwrap_or(self, other: T) -> T {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     fn unwrap_or_else<F>(self, f: F) -> T
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn unwrap_or_default(self) -> T
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `channels_nightly`
[INFO] [stdout]   --> src/lib.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 | #![cfg_attr(channels_nightly, feature(doc_auto_cfg))]
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows`
[INFO] [stdout]    = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(channels_nightly)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `unwrap_or`, `unwrap_or_else`, and `unwrap_or_default` are never used
[INFO] [stdout]   --> src/util.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub trait PollExt<T>: Sized {
[INFO] [stdout]    |           ------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 46 |     fn unwrap_or(self, other: T) -> T {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     fn unwrap_or_else<F>(self, f: F) -> T
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn unwrap_or_default(self) -> T
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "29653dfb68f590cbb2367818c6f002ab5f8844019646dbcfaa6c51dad51cccd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29653dfb68f590cbb2367818c6f002ab5f8844019646dbcfaa6c51dad51cccd3", kill_on_drop: false }`
[INFO] [stdout] 29653dfb68f590cbb2367818c6f002ab5f8844019646dbcfaa6c51dad51cccd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 17e131dcde6d6f6cfa81cd17c0b46b2a87dac9aafc9b0f67689f2239c03de4da
[INFO] running `Command { std: "docker" "start" "-a" "17e131dcde6d6f6cfa81cd17c0b46b2a87dac9aafc9b0f67689f2239c03de4da", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition name: `channels_nightly`
[INFO] [stderr]   --> src/lib.rs:86:13
[INFO] [stderr]    |
[INFO] [stderr] 86 | #![cfg_attr(channels_nightly, feature(doc_auto_cfg))]
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, `windows`
[INFO] [stderr]    = help: consider using a Cargo feature instead or adding `println!("cargo::rustc-check-cfg=cfg(channels_nightly)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/cargo/reference/build-scripts.html#rustc-check-cfg> for more information about checking conditional configuration
[INFO] [stderr]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `unwrap_or`, `unwrap_or_else`, and `unwrap_or_default` are never used
[INFO] [stderr]   --> src/util.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub trait PollExt<T>: Sized {
[INFO] [stderr]    |           ------- methods in this trait
[INFO] [stderr] ...
[INFO] [stderr] 46 |     fn unwrap_or(self, other: T) -> T {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 52 |     fn unwrap_or_else<F>(self, f: F) -> T
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 59 |     fn unwrap_or_default(self) -> T
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `channels` (lib) generated 2 warnings
[INFO] [stderr] warning: `channels` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/channels-469b162304cd301d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests channels
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test src/receiver.rs - receiver::Builder<T,(),()>::new (line 290) - compile ... ok
[INFO] [stdout] test src/receiver.rs - receiver::Builder<T,(),D>::reader (line 320) - compile ... ok
[INFO] [stdout] test src/lib.rs - channel (line 118) - compile ... ok
[INFO] [stdout] test src/receiver.rs - receiver::Builder<T,R,()>::deserializer (line 345) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 26) - compile ... ok
[INFO] [stdout] test src/receiver.rs - receiver::Builder<T,(),D>::reader (line 327) - compile ... FAILED
[INFO] [stdout] test src/lib.rs - channel (line 130) - compile ... FAILED
[INFO] [stdout] test src/lib.rs - (line 7) - compile ... FAILED
[INFO] [stdout] test src/receiver.rs - receiver::Builder<T,R,D>::build (line 368) - compile ... ok
[INFO] [stdout] test src/receiver.rs - receiver::Receiver<T,(),()>::builder (line 30) - compile ... ok
[INFO] [stdout] test src/receiver.rs - receiver::Receiver<T,R,D>::incoming (line 174) - compile ... ok
[INFO] [stdout] test src/receiver.rs - receiver::Receiver<T,R,D>::incoming (line 188) - compile ... FAILED
[INFO] [stdout] test src/receiver.rs - receiver::Receiver<T,R,D>::with_deserializer (line 84) - compile ... ok
[INFO] [stdout] test src/sender.rs - sender::Builder<T,(),()>::new (line 248) - compile ... ok
[INFO] [stdout] test src/receiver.rs - receiver::Receiver<T,R,crate::serdes::Bincode>::new (line 56) - compile ... ok
[INFO] [stdout] test src/sender.rs - sender::Builder<T,(),S>::writer (line 278) - compile ... ok
[INFO] [stdout] test src/receiver.rs - receiver::Receiver<T,R,crate::serdes::Bincode>::new (line 63) - compile ... FAILED
[INFO] [stdout] test src/sender.rs - sender::Builder<T,(),S>::writer (line 285) - compile ... FAILED
[INFO] [stdout] test src/sender.rs - sender::Builder<T,W,()>::serializer (line 303) - compile ... ok
[INFO] [stdout] test src/sender.rs - sender::Sender<T,(),()>::builder (line 31) - compile ... ok
[INFO] [stdout] test src/sender.rs - sender::Builder<T,W,S>::build (line 323) - compile ... ok
[INFO] [stdout] test src/receiver.rs - receiver::Receiver<T,R,D>::with_deserializer (line 96) - compile ... FAILED
[INFO] [stdout] test src/sender.rs - sender::Sender<T,W,S>::with_serializer (line 85) - compile ... ok
[INFO] [stdout] test src/sender.rs - sender::Sender<T,W,S>::with_serializer (line 97) - compile ... FAILED
[INFO] [stdout] test src/receiver.rs - receiver::Receiver<T,R,D>::get (line 116) ... ok
[INFO] [stdout] test src/sender.rs - sender::Sender<T,W,crate::serdes::Bincode>::new (line 57) - compile ... ok
[INFO] [stdout] test src/receiver.rs - receiver::Receiver<T,R,D>::get_mut (line 144) ... ok
[INFO] [stdout] test src/sender.rs - sender::Sender<T,W,crate::serdes::Bincode>::new (line 64) - compile ... FAILED
[INFO] [stdout] test src/sender.rs - sender::Sender<T,W,S>::get_mut (line 149) ... ok
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout] test src/sender.rs - sender::Sender<T,W,S>::get (line 117) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/receiver.rs - receiver::Builder<T,(),D>::reader (line 327) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tokio`
[INFO] [stdout]  --> src/receiver.rs:330:25
[INFO] [stdout]   |
[INFO] [stdout] 6 |                 .reader(tokio::io::empty());
[INFO] [stdout]   |                         ^^^^^ use of undeclared crate or module `tokio`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::io;
[INFO] [stdout]   |
[INFO] [stdout] help: if you import `io`, refer to it directly
[INFO] [stdout]   |
[INFO] [stdout] 6 -                 .reader(tokio::io::empty());
[INFO] [stdout] 6 +                 .reader(io::empty());
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - channel (line 130) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tokio`
[INFO] [stdout]  --> src/lib.rs:132:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio::net::TcpStream;
[INFO] [stdout]   |     ^^^^^ use of undeclared crate or module `tokio`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tokio`
[INFO] [stdout]  --> src/lib.rs:134:3
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[tokio::main]
[INFO] [stdout]   |   ^^^^^ use of undeclared crate or module `tokio`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `send` found for struct `channels::Sender` in the current scope
[INFO] [stdout]   --> src/lib.rs:140:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     tx.send(42_i32).await.unwrap();
[INFO] [stdout]    |        ^^^^ method not found in `Sender<_, _, Bincode>`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `recv` found for struct `channels::Receiver` in the current scope
[INFO] [stdout]   --> src/lib.rs:141:28
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let received: i32 = rx.recv().await.unwrap();
[INFO] [stdout]    |                            ^^^^ method not found in `Receiver<_, _, Bincode>`
[INFO] [stdout] 
[INFO] [stdout] error[E0752]: `main` function is not allowed to be `async`
[INFO] [stdout]  --> src/lib.rs:135:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | async fn main() {
[INFO] [stdout]   | ^^^^^^^^^^^^^^^ `main` function is not allowed to be `async`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0599, E0752.
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 7) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tokio`
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio::net::TcpStream;
[INFO] [stdout]   |     ^^^^^ use of undeclared crate or module `tokio`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tokio`
[INFO] [stdout]  --> src/lib.rs:10:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio::net::tcp::{OwnedReadHalf, OwnedWriteHalf};
[INFO] [stdout]   |     ^^^^^ use of undeclared crate or module `tokio`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tokio`
[INFO] [stdout]  --> src/lib.rs:13:3
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[tokio::main]
[INFO] [stdout]   |   ^^^^^ use of undeclared crate or module `tokio`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `recv` found for struct `channels::Receiver` in the current scope
[INFO] [stdout]   --> src/lib.rs:19:16
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let r = rx.recv().await.unwrap();
[INFO] [stdout]    |                ^^^^ method not found in `Receiver<i32, _, Bincode>`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `send` found for struct `channels::Sender` in the current scope
[INFO] [stdout]   --> src/lib.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     tx.send(r).await.unwrap();
[INFO] [stdout]    |        ^^^^ method not found in `Sender<i32, _, Bincode>`
[INFO] [stdout] 
[INFO] [stdout] error[E0752]: `main` function is not allowed to be `async`
[INFO] [stdout]  --> src/lib.rs:14:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | async fn main() {
[INFO] [stdout]   | ^^^^^^^^^^^^^^^ `main` function is not allowed to be `async`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0599, E0752.
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/receiver.rs - receiver::Receiver<T,R,D>::incoming (line 188) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tokio`
[INFO] [stdout]  --> src/receiver.rs:190:3
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[tokio::main]
[INFO] [stdout]   |   ^^^^^ use of undeclared crate or module `tokio`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tokio`
[INFO] [stdout]   --> src/receiver.rs:198:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         tokio::select! {
[INFO] [stdout]    |         ^^^^^ use of undeclared crate or module `tokio`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tokio`
[INFO] [stdout]  --> src/receiver.rs:192:18
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let reader = tokio::io::empty();
[INFO] [stdout]   |                  ^^^^^ use of undeclared crate or module `tokio`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::io;
[INFO] [stdout]   |
[INFO] [stdout] help: if you import `io`, refer to it directly
[INFO] [stdout]   |
[INFO] [stdout] 6 -     let reader = tokio::io::empty();
[INFO] [stdout] 6 +     let reader = io::empty();
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0752]: `main` function is not allowed to be `async`
[INFO] [stdout]  --> src/receiver.rs:191:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | async fn main() {
[INFO] [stdout]   | ^^^^^^^^^^^^^^^ `main` function is not allowed to be `async`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0752.
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/receiver.rs - receiver::Receiver<T,R,crate::serdes::Bincode>::new (line 63) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tokio`
[INFO] [stdout]  --> src/receiver.rs:65:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | let reader = tokio::io::empty();
[INFO] [stdout]   |              ^^^^^ use of undeclared crate or module `tokio`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::io;
[INFO] [stdout]   |
[INFO] [stdout] help: if you import `io`, refer to it directly
[INFO] [stdout]   |
[INFO] [stdout] 5 - let reader = tokio::io::empty();
[INFO] [stdout] 5 + let reader = io::empty();
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/sender.rs - sender::Builder<T,(),S>::writer (line 285) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tokio`
[INFO] [stdout]  --> src/sender.rs:288:25
[INFO] [stdout]   |
[INFO] [stdout] 6 |                 .writer(tokio::io::sink());
[INFO] [stdout]   |                         ^^^^^ use of undeclared crate or module `tokio`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::io;
[INFO] [stdout]   |
[INFO] [stdout] help: if you import `io`, refer to it directly
[INFO] [stdout]   |
[INFO] [stdout] 6 -                 .writer(tokio::io::sink());
[INFO] [stdout] 6 +                 .writer(io::sink());
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/receiver.rs - receiver::Receiver<T,R,D>::with_deserializer (line 96) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tokio`
[INFO] [stdout]  --> src/receiver.rs:99:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | let reader = tokio::io::empty();
[INFO] [stdout]   |              ^^^^^ use of undeclared crate or module `tokio`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::io;
[INFO] [stdout]   |
[INFO] [stdout] help: if you import `io`, refer to it directly
[INFO] [stdout]   |
[INFO] [stdout] 6 - let reader = tokio::io::empty();
[INFO] [stdout] 6 + let reader = io::empty();
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/sender.rs - sender::Sender<T,W,S>::with_serializer (line 97) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tokio`
[INFO] [stdout]  --> src/sender.rs:100:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | let writer = tokio::io::sink();
[INFO] [stdout]   |              ^^^^^ use of undeclared crate or module `tokio`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::io;
[INFO] [stdout]   |
[INFO] [stdout] help: if you import `io`, refer to it directly
[INFO] [stdout]   |
[INFO] [stdout] 6 - let writer = tokio::io::sink();
[INFO] [stdout] 6 + let writer = io::sink();
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/sender.rs - sender::Sender<T,W,crate::serdes::Bincode>::new (line 64) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `tokio`
[INFO] [stdout]  --> src/sender.rs:66:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | let writer = tokio::io::sink();
[INFO] [stdout]   |              ^^^^^ use of undeclared crate or module `tokio`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::io;
[INFO] [stdout]   |
[INFO] [stdout] help: if you import `io`, refer to it directly
[INFO] [stdout]   |
[INFO] [stdout] 5 - let writer = tokio::io::sink();
[INFO] [stdout] 5 + let writer = io::sink();
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 7)
[INFO] [stdout]     src/lib.rs - channel (line 130)
[INFO] [stdout]     src/receiver.rs - receiver::Builder<T,(),D>::reader (line 327)
[INFO] [stdout]     src/receiver.rs - receiver::Receiver<T,R,D>::incoming (line 188)
[INFO] [stdout]     src/receiver.rs - receiver::Receiver<T,R,D>::with_deserializer (line 96)
[INFO] [stdout]     src/receiver.rs - receiver::Receiver<T,R,crate::serdes::Bincode>::new (line 63)
[INFO] [stdout]     src/sender.rs - sender::Builder<T,(),S>::writer (line 285)
[INFO] [stdout]     src/sender.rs - sender::Sender<T,W,S>::with_serializer (line 97)
[INFO] [stdout]     src/sender.rs - sender::Sender<T,W,crate::serdes::Bincode>::new (line 64)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 21 passed; 9 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.90s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "17e131dcde6d6f6cfa81cd17c0b46b2a87dac9aafc9b0f67689f2239c03de4da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17e131dcde6d6f6cfa81cd17c0b46b2a87dac9aafc9b0f67689f2239c03de4da", kill_on_drop: false }`
[INFO] [stdout] 17e131dcde6d6f6cfa81cd17c0b46b2a87dac9aafc9b0f67689f2239c03de4da
