[INFO] cloning repository https://github.com/portal-co/embedded-io-convert
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/portal-co/embedded-io-convert" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fportal-co%2Fembedded-io-convert", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fportal-co%2Fembedded-io-convert'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9d97c1c8379865dfe33afa1ec5b7a60fd8a4510e
[INFO] building portal-co/embedded-io-convert against try#334963c956d25708feab489a3816ae63f639355d for pr-135216-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fportal-co%2Fembedded-io-convert" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/portal-co/embedded-io-convert on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/portal-co/embedded-io-convert
[INFO] finished tweaking git repo https://github.com/portal-co/embedded-io-convert
[INFO] tweaked toml for git repo https://github.com/portal-co/embedded-io-convert written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/portal-co/embedded-io-convert 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" "+334963c956d25708feab489a3816ae63f639355d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f625ad72d3e7e64cfe93af9ae655297abf977b66ad1102dad783c4d0df3d1652
[INFO] running `Command { std: "docker" "start" "-a" "f625ad72d3e7e64cfe93af9ae655297abf977b66ad1102dad783c4d0df3d1652", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f625ad72d3e7e64cfe93af9ae655297abf977b66ad1102dad783c4d0df3d1652", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f625ad72d3e7e64cfe93af9ae655297abf977b66ad1102dad783c4d0df3d1652", kill_on_drop: false }`
[INFO] [stdout] f625ad72d3e7e64cfe93af9ae655297abf977b66ad1102dad783c4d0df3d1652
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b12beec3533d984631b2d15c173ff29c5c58f31ae6cf1eac5f4bfb2d2ff307b
[INFO] running `Command { std: "docker" "start" "-a" "6b12beec3533d984631b2d15c173ff29c5c58f31ae6cf1eac5f4bfb2d2ff307b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling embedded-io-async v0.6.1
[INFO] [stderr]    Compiling embedded-io-adapters v0.6.1
[INFO] [stderr]    Compiling embedded-io v0.6.1
[INFO] [stderr]    Compiling merge-io v0.3.0
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling pin-project v1.1.5
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling embedded-io-convert v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `sync::Mutex`
[INFO] [stdout]  --> src/lib.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{pin::Pin, sync::Mutex};
[INFO] [stdout]   |                     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Future`
[INFO] [stdout]  --> src/lib.rs:7:49
[INFO] [stdout]   |
[INFO] [stdout] 7 | use futures::{AsyncRead, AsyncSeek, AsyncWrite, Future};
[INFO] [stdout]   |                                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/read.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `either::Either`
[INFO] [stdout]  --> src/read.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use either::Either;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/seek.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/seek.rs:6:31
[INFO] [stdout]   |
[INFO] [stdout] 6 | use embedded_io_async::{Seek, Write};
[INFO] [stdout]   |                               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsyncRead` and `AsyncWrite`
[INFO] [stdout]  --> src/seek.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | use futures::{AsyncRead, AsyncSeek, AsyncWrite, Future};
[INFO] [stdout]   |               ^^^^^^^^^             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/write.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncRead`
[INFO] [stdout]  --> src/write.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | use futures::{AsyncRead, AsyncWrite, Future};
[INFO] [stdout]   |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/read.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |             let mut fut = match state {
[INFO] [stdout]    |                 ----^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/write.rs:48:17
[INFO] [stdout]    |
[INFO] [stdout] 48 |             let mut fut = match state {
[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/seek.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let mut fut = match state {
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cx`
[INFO] [stdout]    --> src/write.rs:148:45
[INFO] [stdout]     |
[INFO] [stdout] 148 |         fn poll_close(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
[INFO] [stdout]     |                                             ^^ help: if this is intentional, prefix it with an underscore: `_cx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `DidRead` is more private than the item `read::internals::State::Pending::0`
[INFO] [stdout]   --> src/read.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 |         Pending(Pin<Box<DidRead<R>>>),
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^ field `read::internals::State::Pending::0` is reachable at visibility `pub(read)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type alias `DidRead` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/read.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     type DidRead<R: embedded_io_async::Read<Error: Into<std::io::Error>>> =
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Seeked` is more private than the item `seek::internals::State::Pending::0`
[INFO] [stdout]   --> src/seek.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Pending(Pin<Box<Seeked<R>>>),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^ field `seek::internals::State::Pending::0` is reachable at visibility `pub(seek)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type alias `Seeked` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/seek.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | type Seeked<R: Seek<Error: Into<std::io::Error>>> = impl Future<Output = (R, io::Result<u64>)>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Written` is more private than the item `write::internals::State::Pending::0`
[INFO] [stdout]   --> src/write.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 |         Pending(Pin<Box<Written<R>>>),
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^ field `write::internals::State::Pending::0` is reachable at visibility `pub(write)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type alias `Written` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/write.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     type Written<R: Write<Error: Into<std::io::Error>>> =
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Flushed` is more private than the item `write::internals::State::FPending::0`
[INFO] [stdout]   --> src/write.rs:36:18
[INFO] [stdout]    |
[INFO] [stdout] 36 |         FPending(Pin<Box<Flushed<R>>>),
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^ field `write::internals::State::FPending::0` is reachable at visibility `pub(write)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type alias `Flushed` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/write.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     type Flushed<R: Write<Error: Into<std::io::Error>>> = impl Future<Output = (R, io::Result<()>)>;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `BoxFut` is never used
[INFO] [stdout]   --> src/read.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 |     type BoxFut<T> = Pin<Box<dyn Future<Output = T> + Send>>;
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `BoxFut` is never used
[INFO] [stdout]   --> src/seek.rs:27:6
[INFO] [stdout]    |
[INFO] [stdout] 27 | type BoxFut<T> = Pin<Box<dyn Future<Output = T> + Send>>;
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `BoxFut` is never used
[INFO] [stdout]   --> src/write.rs:27:6
[INFO] [stdout]    |
[INFO] [stdout] 27 | type BoxFut<T> = Pin<Box<dyn Future<Output = T> + Send>>;
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.37s
[INFO] running `Command { std: "docker" "inspect" "6b12beec3533d984631b2d15c173ff29c5c58f31ae6cf1eac5f4bfb2d2ff307b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b12beec3533d984631b2d15c173ff29c5c58f31ae6cf1eac5f4bfb2d2ff307b", kill_on_drop: false }`
[INFO] [stdout] 6b12beec3533d984631b2d15c173ff29c5c58f31ae6cf1eac5f4bfb2d2ff307b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c37e219f2a07077091687ef829e9f2e3d33e4f8d37958c7be823f99c7b2f3465
[INFO] running `Command { std: "docker" "start" "-a" "c37e219f2a07077091687ef829e9f2e3d33e4f8d37958c7be823f99c7b2f3465", kill_on_drop: false }`
[INFO] [stderr]    Compiling embedded-io-convert v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `sync::Mutex`
[INFO] [stdout]  --> src/lib.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{pin::Pin, sync::Mutex};
[INFO] [stdout]   |                     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Future`
[INFO] [stdout]  --> src/lib.rs:7:49
[INFO] [stdout]   |
[INFO] [stdout] 7 | use futures::{AsyncRead, AsyncSeek, AsyncWrite, Future};
[INFO] [stdout]   |                                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/read.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `either::Either`
[INFO] [stdout]  --> src/read.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use either::Either;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/seek.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/seek.rs:6:31
[INFO] [stdout]   |
[INFO] [stdout] 6 | use embedded_io_async::{Seek, Write};
[INFO] [stdout]   |                               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsyncRead` and `AsyncWrite`
[INFO] [stdout]  --> src/seek.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | use futures::{AsyncRead, AsyncSeek, AsyncWrite, Future};
[INFO] [stdout]   |               ^^^^^^^^^             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/write.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncRead`
[INFO] [stdout]  --> src/write.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | use futures::{AsyncRead, AsyncWrite, Future};
[INFO] [stdout]   |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/read.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |             let mut fut = match state {
[INFO] [stdout]    |                 ----^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/write.rs:48:17
[INFO] [stdout]    |
[INFO] [stdout] 48 |             let mut fut = match state {
[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/seek.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let mut fut = match state {
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cx`
[INFO] [stdout]    --> src/write.rs:148:45
[INFO] [stdout]     |
[INFO] [stdout] 148 |         fn poll_close(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
[INFO] [stdout]     |                                             ^^ help: if this is intentional, prefix it with an underscore: `_cx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `DidRead` is more private than the item `read::internals::State::Pending::0`
[INFO] [stdout]   --> src/read.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 |         Pending(Pin<Box<DidRead<R>>>),
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^ field `read::internals::State::Pending::0` is reachable at visibility `pub(read)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type alias `DidRead` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/read.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     type DidRead<R: embedded_io_async::Read<Error: Into<std::io::Error>>> =
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Seeked` is more private than the item `seek::internals::State::Pending::0`
[INFO] [stdout]   --> src/seek.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Pending(Pin<Box<Seeked<R>>>),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^ field `seek::internals::State::Pending::0` is reachable at visibility `pub(seek)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type alias `Seeked` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/seek.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | type Seeked<R: Seek<Error: Into<std::io::Error>>> = impl Future<Output = (R, io::Result<u64>)>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Written` is more private than the item `write::internals::State::Pending::0`
[INFO] [stdout]   --> src/write.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 |         Pending(Pin<Box<Written<R>>>),
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^ field `write::internals::State::Pending::0` is reachable at visibility `pub(write)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type alias `Written` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/write.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     type Written<R: Write<Error: Into<std::io::Error>>> =
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Flushed` is more private than the item `write::internals::State::FPending::0`
[INFO] [stdout]   --> src/write.rs:36:18
[INFO] [stdout]    |
[INFO] [stdout] 36 |         FPending(Pin<Box<Flushed<R>>>),
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^ field `write::internals::State::FPending::0` is reachable at visibility `pub(write)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type alias `Flushed` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/write.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     type Flushed<R: Write<Error: Into<std::io::Error>>> = impl Future<Output = (R, io::Result<()>)>;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `BoxFut` is never used
[INFO] [stdout]   --> src/read.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 |     type BoxFut<T> = Pin<Box<dyn Future<Output = T> + Send>>;
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `BoxFut` is never used
[INFO] [stdout]   --> src/seek.rs:27:6
[INFO] [stdout]    |
[INFO] [stdout] 27 | type BoxFut<T> = Pin<Box<dyn Future<Output = T> + Send>>;
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `BoxFut` is never used
[INFO] [stdout]   --> src/write.rs:27:6
[INFO] [stdout]    |
[INFO] [stdout] 27 | type BoxFut<T> = Pin<Box<dyn Future<Output = T> + Send>>;
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sync::Mutex`
[INFO] [stdout]  --> src/lib.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{pin::Pin, sync::Mutex};
[INFO] [stdout]   |                     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Future`
[INFO] [stdout]  --> src/lib.rs:7:49
[INFO] [stdout]   |
[INFO] [stdout] 7 | use futures::{AsyncRead, AsyncSeek, AsyncWrite, Future};
[INFO] [stdout]   |                                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/read.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `either::Either`
[INFO] [stdout]  --> src/read.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use either::Either;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/seek.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/seek.rs:6:31
[INFO] [stdout]   |
[INFO] [stdout] 6 | use embedded_io_async::{Seek, Write};
[INFO] [stdout]   |                               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsyncRead` and `AsyncWrite`
[INFO] [stdout]  --> src/seek.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | use futures::{AsyncRead, AsyncSeek, AsyncWrite, Future};
[INFO] [stdout]   |               ^^^^^^^^^             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/write.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncRead`
[INFO] [stdout]  --> src/write.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | use futures::{AsyncRead, AsyncWrite, Future};
[INFO] [stdout]   |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/lib.rs:155:9
[INFO] [stdout]     |
[INFO] [stdout] 155 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/read.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |             let mut fut = match state {
[INFO] [stdout]    |                 ----^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/write.rs:48:17
[INFO] [stdout]    |
[INFO] [stdout] 48 |             let mut fut = match state {
[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/seek.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let mut fut = match state {
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cx`
[INFO] [stdout]    --> src/write.rs:148:45
[INFO] [stdout]     |
[INFO] [stdout] 148 |         fn poll_close(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
[INFO] [stdout]     |                                             ^^ help: if this is intentional, prefix it with an underscore: `_cx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `DidRead` is more private than the item `read::internals::State::Pending::0`
[INFO] [stdout]   --> src/read.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 |         Pending(Pin<Box<DidRead<R>>>),
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^ field `read::internals::State::Pending::0` is reachable at visibility `pub(read)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type alias `DidRead` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/read.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     type DidRead<R: embedded_io_async::Read<Error: Into<std::io::Error>>> =
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Seeked` is more private than the item `seek::internals::State::Pending::0`
[INFO] [stdout]   --> src/seek.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Pending(Pin<Box<Seeked<R>>>),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^ field `seek::internals::State::Pending::0` is reachable at visibility `pub(seek)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type alias `Seeked` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/seek.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | type Seeked<R: Seek<Error: Into<std::io::Error>>> = impl Future<Output = (R, io::Result<u64>)>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Written` is more private than the item `write::internals::State::Pending::0`
[INFO] [stdout]   --> src/write.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 |         Pending(Pin<Box<Written<R>>>),
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^ field `write::internals::State::Pending::0` is reachable at visibility `pub(write)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type alias `Written` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/write.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     type Written<R: Write<Error: Into<std::io::Error>>> =
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Flushed` is more private than the item `write::internals::State::FPending::0`
[INFO] [stdout]   --> src/write.rs:36:18
[INFO] [stdout]    |
[INFO] [stdout] 36 |         FPending(Pin<Box<Flushed<R>>>),
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^ field `write::internals::State::FPending::0` is reachable at visibility `pub(write)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type alias `Flushed` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/write.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     type Flushed<R: Write<Error: Into<std::io::Error>>> = impl Future<Output = (R, io::Result<()>)>;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `BoxFut` is never used
[INFO] [stdout]   --> src/read.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 |     type BoxFut<T> = Pin<Box<dyn Future<Output = T> + Send>>;
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `BoxFut` is never used
[INFO] [stdout]   --> src/seek.rs:27:6
[INFO] [stdout]    |
[INFO] [stdout] 27 | type BoxFut<T> = Pin<Box<dyn Future<Output = T> + Send>>;
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `BoxFut` is never used
[INFO] [stdout]   --> src/write.rs:27:6
[INFO] [stdout]    |
[INFO] [stdout] 27 | type BoxFut<T> = Pin<Box<dyn Future<Output = T> + Send>>;
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "c37e219f2a07077091687ef829e9f2e3d33e4f8d37958c7be823f99c7b2f3465", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c37e219f2a07077091687ef829e9f2e3d33e4f8d37958c7be823f99c7b2f3465", kill_on_drop: false }`
[INFO] [stdout] c37e219f2a07077091687ef829e9f2e3d33e4f8d37958c7be823f99c7b2f3465