[INFO] fetching crate aahc 0.1.0...
[INFO] checking aahc-0.1.0 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate aahc 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate aahc 0.1.0 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aahc 0.1.0
[INFO] finished tweaking crates.io crate aahc 0.1.0
[INFO] tweaked toml for crates.io crate aahc 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded winapi-build v0.1.1
[INFO] [stderr]   Downloaded ws2_32-sys v0.2.1
[INFO] [stderr]   Downloaded fuchsia-zircon v0.3.3
[INFO] [stderr]   Downloaded fuchsia-zircon-sys v0.3.3
[INFO] [stderr]   Downloaded kernel32-sys v0.2.2
[INFO] [stderr]   Downloaded futures-executor v0.3.30
[INFO] [stderr]   Downloaded miow v0.2.2
[INFO] [stderr]   Downloaded async-compat v0.1.4
[INFO] [stderr]   Downloaded winapi v0.2.8
[INFO] [stderr]   Downloaded winapi v0.3.9
[INFO] [stderr]   Downloaded winapi-x86_64-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded winapi-i686-pc-windows-gnu v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48468838384f6cc2c75caaf024577a03995cab210ac76149b8b75594889197f6
[INFO] running `Command { std: "docker" "start" "-a" "48468838384f6cc2c75caaf024577a03995cab210ac76149b8b75594889197f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48468838384f6cc2c75caaf024577a03995cab210ac76149b8b75594889197f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48468838384f6cc2c75caaf024577a03995cab210ac76149b8b75594889197f6", kill_on_drop: false }`
[INFO] [stdout] 48468838384f6cc2c75caaf024577a03995cab210ac76149b8b75594889197f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66bbe0f7d803071d7965bfa2a99ec7f1d642cf6567cc861ec4dd6f53a3a57eb4
[INFO] running `Command { std: "docker" "start" "-a" "66bbe0f7d803071d7965bfa2a99ec7f1d642cf6567cc861ec4dd6f53a3a57eb4", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking aahc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `rustdoc` has been removed: use `rustdoc::all` instead
[INFO] [stdout]  --> src/lib.rs:6:2
[INFO] [stdout]   |
[INFO] [stdout] 6 |     rustdoc,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stdout] warning: methods `read`, `read_vectored`, and `read_vectored_bounded` are never used
[INFO] [stdout]   --> src/util/io.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub trait AsyncReadExt: AsyncRead {
[INFO] [stdout]    |           ------------ methods in this trait
[INFO] [stdout] 38 |     /// Reads data to a caller-provided buffer.
[INFO] [stdout] 39 |     fn read<'buffer>(
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     fn read_vectored<'buffers>(
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     fn read_vectored_bounded<'bufs>(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:7:2
[INFO] [stdout]    |
[INFO] [stdout] 7  |     unused
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    = note: `#[warn(dead_code)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking async-compat v0.1.4
[INFO] [stdout] warning: lint `rustdoc` has been removed: use `rustdoc::all` instead
[INFO] [stdout]  --> src/lib.rs:6:2
[INFO] [stdout]   |
[INFO] [stdout] 6 |     rustdoc,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: external crate `async_compat` unused in `aahc`: remove the dependency or add `use async_compat as _;`
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:20:2
[INFO] [stdout]    |
[INFO] [stdout] 20 |     unused_crate_dependencies,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: external crate `tokio` unused in `aahc`: remove the dependency or add `use tokio as _;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AsyncWrite` is imported redundantly
[INFO] [stdout]    --> src/util/io.rs:249:6
[INFO] [stdout]     |
[INFO] [stdout] 247 |     use super::*;
[INFO] [stdout]     |         -------- the item `AsyncWrite` is already imported here
[INFO] [stdout] 248 |     use futures_executor::block_on;
[INFO] [stdout] 249 |     use futures_io::AsyncWrite;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:7:2
[INFO] [stdout]     |
[INFO] [stdout] 7   |     unused
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     = note: `#[warn(unused_imports)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Pin` is imported redundantly
[INFO] [stdout]    --> src/util/io.rs:250:6
[INFO] [stdout]     |
[INFO] [stdout] 247 |     use super::*;
[INFO] [stdout]     |         -------- the item `Pin` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 250 |     use std::pin::Pin;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Context` is imported redundantly
[INFO] [stdout]    --> src/util/io.rs:251:18
[INFO] [stdout]     |
[INFO] [stdout] 247 |     use super::*;
[INFO] [stdout]     |         -------- the item `Context` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 251 |     use std::task::{Context, Poll};
[INFO] [stdout]     |                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Poll` is imported redundantly
[INFO] [stdout]    --> src/util/io.rs:251:27
[INFO] [stdout]     |
[INFO] [stdout] 247 |     use super::*;
[INFO] [stdout]     |         -------- the item `Poll` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 251 |     use std::task::{Context, Poll};
[INFO] [stdout]     |                              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.15s
[INFO] running `Command { std: "docker" "inspect" "66bbe0f7d803071d7965bfa2a99ec7f1d642cf6567cc861ec4dd6f53a3a57eb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66bbe0f7d803071d7965bfa2a99ec7f1d642cf6567cc861ec4dd6f53a3a57eb4", kill_on_drop: false }`
[INFO] [stdout] 66bbe0f7d803071d7965bfa2a99ec7f1d642cf6567cc861ec4dd6f53a3a57eb4
[INFO] checking aahc-0.1.0 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate aahc 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate aahc 0.1.0 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aahc 0.1.0
[INFO] finished tweaking crates.io crate aahc 0.1.0
[INFO] tweaked toml for crates.io crate aahc 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 566fe7f42ce64224bc09fcfa124f659cf97b9d7532bb62b953d295a4efc83383
[INFO] running `Command { std: "docker" "start" "-a" "566fe7f42ce64224bc09fcfa124f659cf97b9d7532bb62b953d295a4efc83383", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "566fe7f42ce64224bc09fcfa124f659cf97b9d7532bb62b953d295a4efc83383", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "566fe7f42ce64224bc09fcfa124f659cf97b9d7532bb62b953d295a4efc83383", kill_on_drop: false }`
[INFO] [stdout] 566fe7f42ce64224bc09fcfa124f659cf97b9d7532bb62b953d295a4efc83383
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6aeefd8fbf5beee11d13feaa40b4c65d058c5ab7fb7be267146dbfdb5e10d191
[INFO] running `Command { std: "docker" "start" "-a" "6aeefd8fbf5beee11d13feaa40b4c65d058c5ab7fb7be267146dbfdb5e10d191", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking aahc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `rustdoc` has been removed: use `rustdoc::all` instead
[INFO] [stdout]  --> src/lib.rs:6:2
[INFO] [stdout]   |
[INFO] [stdout] 6 |     rustdoc,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stdout] warning: methods `read`, `read_vectored`, and `read_vectored_bounded` are never used
[INFO] [stdout]   --> src/util/io.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub trait AsyncReadExt: AsyncRead {
[INFO] [stdout]    |           ------------ methods in this trait
[INFO] [stdout] 38 |     /// Reads data to a caller-provided buffer.
[INFO] [stdout] 39 |     fn read<'buffer>(
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     fn read_vectored<'buffers>(
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     fn read_vectored_bounded<'bufs>(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:7:2
[INFO] [stdout]    |
[INFO] [stdout] 7  |     unused
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    = note: `#[warn(dead_code)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking async-compat v0.1.4
[INFO] [stdout] warning: lint `rustdoc` has been removed: use `rustdoc::all` instead
[INFO] [stdout]  --> src/lib.rs:6:2
[INFO] [stdout]   |
[INFO] [stdout] 6 |     rustdoc,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: external crate `async_compat` unused in `aahc`: remove the dependency or add `use async_compat as _;`
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:20:2
[INFO] [stdout]    |
[INFO] [stdout] 20 |     unused_crate_dependencies,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: external crate `tokio` unused in `aahc`: remove the dependency or add `use tokio as _;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AsyncWrite` is imported redundantly
[INFO] [stdout]    --> src/util/io.rs:249:6
[INFO] [stdout]     |
[INFO] [stdout] 247 |     use super::*;
[INFO] [stdout]     |         -------- the item `AsyncWrite` is already imported here
[INFO] [stdout] 248 |     use futures_executor::block_on;
[INFO] [stdout] 249 |     use futures_io::AsyncWrite;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:7:2
[INFO] [stdout]     |
[INFO] [stdout] 7   |     unused
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     = note: `#[warn(unused_imports)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Pin` is imported redundantly
[INFO] [stdout]    --> src/util/io.rs:250:6
[INFO] [stdout]     |
[INFO] [stdout] 247 |     use super::*;
[INFO] [stdout]     |         -------- the item `Pin` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 250 |     use std::pin::Pin;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Context` is imported redundantly
[INFO] [stdout]    --> src/util/io.rs:251:18
[INFO] [stdout]     |
[INFO] [stdout] 247 |     use super::*;
[INFO] [stdout]     |         -------- the item `Context` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 251 |     use std::task::{Context, Poll};
[INFO] [stdout]     |                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Poll` is imported redundantly
[INFO] [stdout]    --> src/util/io.rs:251:27
[INFO] [stdout]     |
[INFO] [stdout] 247 |     use super::*;
[INFO] [stdout]     |         -------- the item `Poll` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 251 |     use std::task::{Context, Poll};
[INFO] [stdout]     |                              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.97s
[INFO] running `Command { std: "docker" "inspect" "6aeefd8fbf5beee11d13feaa40b4c65d058c5ab7fb7be267146dbfdb5e10d191", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6aeefd8fbf5beee11d13feaa40b4c65d058c5ab7fb7be267146dbfdb5e10d191", kill_on_drop: false }`
[INFO] [stdout] 6aeefd8fbf5beee11d13feaa40b4c65d058c5ab7fb7be267146dbfdb5e10d191
