[INFO] fetching crate embedded-io-convert 0.1.4...
[INFO] testing embedded-io-convert-0.1.4 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate embedded-io-convert 0.1.4 into /workspace/builds/worker-5-tc1/source
[INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate embedded-io-convert 0.1.4
[INFO] finished tweaking crates.io crate embedded-io-convert 0.1.4
[INFO] tweaked toml for crates.io crate embedded-io-convert 0.1.4 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate embedded-io-convert 0.1.4 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate embedded-io-convert 0.1.4 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pinned-aliasable v0.1.3
[INFO] [stderr]   Downloaded pin-list v0.1.1
[INFO] [stderr]   Downloaded merge-io v0.3.0
[INFO] [stderr]   Downloaded no-std-async v1.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6273e6d684cbed31663ab1512c2e1fac471866d1ff459803e25284718c8f4a8b
[INFO] running `Command { std: "docker" "start" "-a" "6273e6d684cbed31663ab1512c2e1fac471866d1ff459803e25284718c8f4a8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6273e6d684cbed31663ab1512c2e1fac471866d1ff459803e25284718c8f4a8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6273e6d684cbed31663ab1512c2e1fac471866d1ff459803e25284718c8f4a8b", kill_on_drop: false }`
[INFO] [stdout] 6273e6d684cbed31663ab1512c2e1fac471866d1ff459803e25284718c8f4a8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] feb0a02aab32933c4207614e337af29f9f89bb17b0d3576ecabc7067a797a491
[INFO] running `Command { std: "docker" "start" "-a" "feb0a02aab32933c4207614e337af29f9f89bb17b0d3576ecabc7067a797a491", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling embedded-io-async v0.6.1
[INFO] [stderr]    Compiling embedded-io v0.6.1
[INFO] [stderr]    Compiling embedded-io-adapters v0.6.1
[INFO] [stderr]    Compiling pinned-aliasable v0.1.3
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling pin-list v0.1.1
[INFO] [stderr]    Compiling merge-io v0.3.0
[INFO] [stderr]    Compiling futures-channel v0.3.30
[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 no-std-async v1.1.2
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling embedded-io-convert v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Future`
[INFO] [stdout]   --> src/lib.rs:13:49
[INFO] [stdout]    |
[INFO] [stdout] 13 | use futures::{AsyncRead, AsyncSeek, AsyncWrite, Future};
[INFO] [stdout]    |                                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::error::Error`
[INFO] [stdout]  --> src/read.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `either::Either`
[INFO] [stdout]  --> src/read.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use either::Either;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::error::Error`
[INFO] [stdout]  --> src/seek.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::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: `core::error::Error`
[INFO] [stdout]  --> src/write.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use core::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncRead`
[INFO] [stdout]  --> src/write.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 | 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:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 |             let mut fut = match state {
[INFO] [stdout]    |                 ----^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/seek.rs:52:17
[INFO] [stdout]    |
[INFO] [stdout] 52 |             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/write.rs:52:17
[INFO] [stdout]    |
[INFO] [stdout] 52 |             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:161:45
[INFO] [stdout]     |
[INFO] [stdout] 161 |         fn poll_close(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<std::io::Result<()>> {
[INFO] [stdout]     |                                             ^^ help: if this is intentional, prefix it with an underscore: `_cx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `BoxFut` is never used
[INFO] [stdout]   --> src/read.rs:33:10
[INFO] [stdout]    |
[INFO] [stdout] 33 |     type BoxFut<T> = Pin<Box<dyn Future<Output = T> + Send>>;
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `poll_seek` is never used
[INFO] [stdout]    --> src/seek.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 114 | impl<R: embedded_io_async::Seek> SimpleAsyncSeeker<R> {
[INFO] [stdout]     | ----------------------------------------------------- method in this implementation
[INFO] [stdout] 115 |     fn poll_seek(
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `BoxFut` is never used
[INFO] [stdout]   --> src/seek.rs:32:10
[INFO] [stdout]    |
[INFO] [stdout] 32 |     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:30:6
[INFO] [stdout]    |
[INFO] [stdout] 30 | 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 8.48s
[INFO] running `Command { std: "docker" "inspect" "feb0a02aab32933c4207614e337af29f9f89bb17b0d3576ecabc7067a797a491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feb0a02aab32933c4207614e337af29f9f89bb17b0d3576ecabc7067a797a491", kill_on_drop: false }`
[INFO] [stdout] feb0a02aab32933c4207614e337af29f9f89bb17b0d3576ecabc7067a797a491
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc9460c5fd546913d68678cb884f74f42177e3043577e685eaad030011dff3d3
[INFO] running `Command { std: "docker" "start" "-a" "cc9460c5fd546913d68678cb884f74f42177e3043577e685eaad030011dff3d3", kill_on_drop: false }`
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Future`
[INFO] [stdout]   --> src/lib.rs:13:49
[INFO] [stdout]    |
[INFO] [stdout] 13 | use futures::{AsyncRead, AsyncSeek, AsyncWrite, Future};
[INFO] [stdout]    |                                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::error::Error`
[INFO] [stdout]  --> src/read.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `either::Either`
[INFO] [stdout]  --> src/read.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use either::Either;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::error::Error`
[INFO] [stdout]  --> src/seek.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::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: `core::error::Error`
[INFO] [stdout]  --> src/write.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use core::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncRead`
[INFO] [stdout]  --> src/write.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 | 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:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 |             let mut fut = match state {
[INFO] [stdout]    |                 ----^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/seek.rs:52:17
[INFO] [stdout]    |
[INFO] [stdout] 52 |             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/write.rs:52:17
[INFO] [stdout]    |
[INFO] [stdout] 52 |             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:161:45
[INFO] [stdout]     |
[INFO] [stdout] 161 |         fn poll_close(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<std::io::Result<()>> {
[INFO] [stdout]     |                                             ^^ help: if this is intentional, prefix it with an underscore: `_cx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling embedded-io-convert v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type alias `BoxFut` is never used
[INFO] [stdout]   --> src/read.rs:33:10
[INFO] [stdout]    |
[INFO] [stdout] 33 |     type BoxFut<T> = Pin<Box<dyn Future<Output = T> + Send>>;
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `poll_seek` is never used
[INFO] [stdout]    --> src/seek.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 114 | impl<R: embedded_io_async::Seek> SimpleAsyncSeeker<R> {
[INFO] [stdout]     | ----------------------------------------------------- method in this implementation
[INFO] [stdout] 115 |     fn poll_seek(
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `BoxFut` is never used
[INFO] [stdout]   --> src/seek.rs:32:10
[INFO] [stdout]    |
[INFO] [stdout] 32 |     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:30:6
[INFO] [stdout]    |
[INFO] [stdout] 30 | type BoxFut<T> = Pin<Box<dyn Future<Output = T> + Send>>;
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Future`
[INFO] [stdout]   --> src/lib.rs:13:49
[INFO] [stdout]    |
[INFO] [stdout] 13 | use futures::{AsyncRead, AsyncSeek, AsyncWrite, Future};
[INFO] [stdout]    |                                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::error::Error`
[INFO] [stdout]  --> src/read.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `either::Either`
[INFO] [stdout]  --> src/read.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use either::Either;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::error::Error`
[INFO] [stdout]  --> src/seek.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::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: `core::error::Error`
[INFO] [stdout]  --> src/write.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use core::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncRead`
[INFO] [stdout]  --> src/write.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 | use futures::{AsyncRead, AsyncWrite, Future};
[INFO] [stdout]   |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/lib.rs:168:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/read.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 |             let mut fut = match state {
[INFO] [stdout]    |                 ----^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/seek.rs:52:17
[INFO] [stdout]    |
[INFO] [stdout] 52 |             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/write.rs:52:17
[INFO] [stdout]    |
[INFO] [stdout] 52 |             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:161:45
[INFO] [stdout]     |
[INFO] [stdout] 161 |         fn poll_close(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<std::io::Result<()>> {
[INFO] [stdout]     |                                             ^^ help: if this is intentional, prefix it with an underscore: `_cx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `BoxFut` is never used
[INFO] [stdout]   --> src/read.rs:33:10
[INFO] [stdout]    |
[INFO] [stdout] 33 |     type BoxFut<T> = Pin<Box<dyn Future<Output = T> + Send>>;
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `poll_seek` is never used
[INFO] [stdout]    --> src/seek.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 114 | impl<R: embedded_io_async::Seek> SimpleAsyncSeeker<R> {
[INFO] [stdout]     | ----------------------------------------------------- method in this implementation
[INFO] [stdout] 115 |     fn poll_seek(
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `BoxFut` is never used
[INFO] [stdout]   --> src/seek.rs:32:10
[INFO] [stdout]    |
[INFO] [stdout] 32 |     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:30:6
[INFO] [stdout]    |
[INFO] [stdout] 30 | 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 0.40s
[INFO] running `Command { std: "docker" "inspect" "cc9460c5fd546913d68678cb884f74f42177e3043577e685eaad030011dff3d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc9460c5fd546913d68678cb884f74f42177e3043577e685eaad030011dff3d3", kill_on_drop: false }`
[INFO] [stdout] cc9460c5fd546913d68678cb884f74f42177e3043577e685eaad030011dff3d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 036825ab28f776d867da2ec684aea5832a66fc486745e4dfdf7b7066eb540777
[INFO] running `Command { std: "docker" "start" "-a" "036825ab28f776d867da2ec684aea5832a66fc486745e4dfdf7b7066eb540777", kill_on_drop: false }`
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Future`
[INFO] [stderr]   --> src/lib.rs:13:49
[INFO] [stderr]    |
[INFO] [stderr] 13 | use futures::{AsyncRead, AsyncSeek, AsyncWrite, Future};
[INFO] [stderr]    |                                                 ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::error::Error`
[INFO] [stderr]  --> src/read.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use core::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `either::Either`
[INFO] [stderr]  --> src/read.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use either::Either;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::error::Error`
[INFO] [stderr]  --> src/seek.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use core::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/seek.rs:6:31
[INFO] [stderr]   |
[INFO] [stderr] 6 | use embedded_io_async::{Seek, Write};
[INFO] [stderr]   |                               ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `AsyncRead` and `AsyncWrite`
[INFO] [stderr]  --> src/seek.rs:7:15
[INFO] [stderr]   |
[INFO] [stderr] 7 | use futures::{AsyncRead, AsyncSeek, AsyncWrite, Future};
[INFO] [stderr]   |               ^^^^^^^^^             ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::error::Error`
[INFO] [stderr]  --> src/write.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use core::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `AsyncRead`
[INFO] [stderr]  --> src/write.rs:9:15
[INFO] [stderr]   |
[INFO] [stderr] 9 | use futures::{AsyncRead, AsyncWrite, Future};
[INFO] [stderr]   |               ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/read.rs:46:17
[INFO] [stderr]    |
[INFO] [stderr] 46 |             let mut fut = match state {
[INFO] [stderr]    |                 ----^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/seek.rs:52:17
[INFO] [stderr]    |
[INFO] [stderr] 52 |             let mut fut = match state {
[INFO] [stderr]    |                 ----^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/write.rs:52:17
[INFO] [stderr]    |
[INFO] [stderr] 52 |             let mut fut = match state {
[INFO] [stderr]    |                 ----^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cx`
[INFO] [stderr]    --> src/write.rs:161:45
[INFO] [stderr]     |
[INFO] [stderr] 161 |         fn poll_close(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<std::io::Result<()>> {
[INFO] [stderr]     |                                             ^^ help: if this is intentional, prefix it with an underscore: `_cx`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `BoxFut` is never used
[INFO] [stderr]   --> src/read.rs:33:10
[INFO] [stderr]    |
[INFO] [stderr] 33 |     type BoxFut<T> = Pin<Box<dyn Future<Output = T> + Send>>;
[INFO] [stderr]    |          ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `poll_seek` is never used
[INFO] [stderr]    --> src/seek.rs:115:8
[INFO] [stderr]     |
[INFO] [stderr] 114 | impl<R: embedded_io_async::Seek> SimpleAsyncSeeker<R> {
[INFO] [stderr]     | ----------------------------------------------------- method in this implementation
[INFO] [stderr] 115 |     fn poll_seek(
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `BoxFut` is never used
[INFO] [stderr]   --> src/seek.rs:32:10
[INFO] [stderr]    |
[INFO] [stderr] 32 |     type BoxFut<T> = Pin<Box<dyn Future<Output = T> + Send>>;
[INFO] [stderr]    |          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `BoxFut` is never used
[INFO] [stderr]   --> src/write.rs:30:6
[INFO] [stderr]    |
[INFO] [stderr] 30 | type BoxFut<T> = Pin<Box<dyn Future<Output = T> + Send>>;
[INFO] [stderr]    |      ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> src/lib.rs:168:9
[INFO] [stderr]     |
[INFO] [stderr] 168 |     use super::*;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `embedded-io-convert` (lib) generated 17 warnings (run `cargo fix --lib -p embedded-io-convert` to apply 11 suggestions)
[INFO] [stderr] warning: `embedded-io-convert` (lib test) generated 18 warnings (17 duplicates) (run `cargo fix --lib -p embedded-io-convert --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/embedded_io_convert-8f18b6382993868d)
[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 embedded_io_convert
[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] running `Command { std: "docker" "inspect" "036825ab28f776d867da2ec684aea5832a66fc486745e4dfdf7b7066eb540777", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "036825ab28f776d867da2ec684aea5832a66fc486745e4dfdf7b7066eb540777", kill_on_drop: false }`
[INFO] [stdout] 036825ab28f776d867da2ec684aea5832a66fc486745e4dfdf7b7066eb540777