[INFO] fetching crate srmw 0.1.1...
[INFO] checking srmw-0.1.1 against master#094a6204f590e6b4770b5f26359dd17a07897adf for pr-121557-1
[INFO] extracting crate srmw 0.1.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate srmw 0.1.1 on toolchain 094a6204f590e6b4770b5f26359dd17a07897adf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+094a6204f590e6b4770b5f26359dd17a07897adf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate srmw 0.1.1
[INFO] finished tweaking crates.io crate srmw 0.1.1
[INFO] tweaked toml for crates.io crate srmw 0.1.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate srmw 0.1.1 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" "+094a6204f590e6b4770b5f26359dd17a07897adf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror v1.0.9
[INFO] [stderr]   Downloaded thiserror-impl v1.0.9
[INFO] [stderr]   Downloaded genawaiter v0.2.2
[INFO] [stderr]   Downloaded async-std v1.3.0
[INFO] [stderr]   Downloaded syn v1.0.11
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+094a6204f590e6b4770b5f26359dd17a07897adf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e20224062d2b218620d14bcaa0c5fce2aea03faa60a7c2804717f6d209b49a6
[INFO] running `Command { std: "docker" "start" "-a" "4e20224062d2b218620d14bcaa0c5fce2aea03faa60a7c2804717f6d209b49a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e20224062d2b218620d14bcaa0c5fce2aea03faa60a7c2804717f6d209b49a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e20224062d2b218620d14bcaa0c5fce2aea03faa60a7c2804717f6d209b49a6", kill_on_drop: false }`
[INFO] [stdout] 4e20224062d2b218620d14bcaa0c5fce2aea03faa60a7c2804717f6d209b49a6
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+094a6204f590e6b4770b5f26359dd17a07897adf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08ef161280c6c7b170a11fd2428c3028ab82d27eb8ee729939e10556b3743137
[INFO] running `Command { std: "docker" "start" "-a" "08ef161280c6c7b170a11fd2428c3028ab82d27eb8ee729939e10556b3743137", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking kv-log-macro v1.0.4
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]     Checking once_cell v1.2.0
[INFO] [stderr]     Checking pin-project-lite v0.1.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]     Checking genawaiter v0.2.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking async-task v1.0.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking async-std v1.3.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling thiserror-impl v1.0.9
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking thiserror v1.0.9
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking srmw v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `AsyncRead` is imported redundantly
[INFO] [stdout]  --> src/copy.rs:2:53
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::{prelude::*, stream::FuturesUnordered, AsyncRead, AsyncWrite};
[INFO] [stdout]   |               ----------                            ^^^^^^^^^
[INFO] [stdout]   |               |
[INFO] [stdout]   |               the item `AsyncRead` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AsyncWrite` is imported redundantly
[INFO] [stdout]  --> src/copy.rs:2:64
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::{prelude::*, stream::FuturesUnordered, AsyncRead, AsyncWrite};
[INFO] [stdout]   |               ----------                                       ^^^^^^^^^^
[INFO] [stdout]   |               |
[INFO] [stdout]   |               the item `AsyncWrite` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AsyncWrite` is imported redundantly
[INFO] [stdout]  --> src/flush.rs:2:53
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::{prelude::*, stream::FuturesUnordered, AsyncWrite};
[INFO] [stdout]   |               ----------                            ^^^^^^^^^^
[INFO] [stdout]   |               |
[INFO] [stdout]   |               the item `AsyncWrite` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AsyncRead` is imported redundantly
[INFO] [stdout]  --> src/validate.rs:2:53
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::{prelude::*, stream::FuturesUnordered, AsyncRead};
[INFO] [stdout]   |               ----------                            ^^^^^^^^^
[INFO] [stdout]   |               |
[INFO] [stdout]   |               the item `AsyncRead` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AsyncRead` is imported redundantly
[INFO] [stdout]  --> src/copy.rs:2:53
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::{prelude::*, stream::FuturesUnordered, AsyncRead, AsyncWrite};
[INFO] [stdout]   |               ----------                            ^^^^^^^^^
[INFO] [stdout]   |               |
[INFO] [stdout]   |               the item `AsyncRead` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AsyncWrite` is imported redundantly
[INFO] [stdout]  --> src/copy.rs:2:64
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::{prelude::*, stream::FuturesUnordered, AsyncRead, AsyncWrite};
[INFO] [stdout]   |               ----------                                       ^^^^^^^^^^
[INFO] [stdout]   |               |
[INFO] [stdout]   |               the item `AsyncWrite` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AsyncWrite` is imported redundantly
[INFO] [stdout]  --> src/flush.rs:2:53
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::{prelude::*, stream::FuturesUnordered, AsyncWrite};
[INFO] [stdout]   |               ----------                            ^^^^^^^^^^
[INFO] [stdout]   |               |
[INFO] [stdout]   |               the item `AsyncWrite` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AsyncRead` is imported redundantly
[INFO] [stdout]  --> src/validate.rs:2:53
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::{prelude::*, stream::FuturesUnordered, AsyncRead};
[INFO] [stdout]   |               ----------                            ^^^^^^^^^
[INFO] [stdout]   |               |
[INFO] [stdout]   |               the item `AsyncRead` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.56s
[INFO] running `Command { std: "docker" "inspect" "08ef161280c6c7b170a11fd2428c3028ab82d27eb8ee729939e10556b3743137", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08ef161280c6c7b170a11fd2428c3028ab82d27eb8ee729939e10556b3743137", kill_on_drop: false }`
[INFO] [stdout] 08ef161280c6c7b170a11fd2428c3028ab82d27eb8ee729939e10556b3743137
[INFO] checking srmw-0.1.1 against try#983b9dcd30ff3bfd46345f68ea89b90bc1457a15 for pr-121557-1
[INFO] extracting crate srmw 0.1.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate srmw 0.1.1 on toolchain 983b9dcd30ff3bfd46345f68ea89b90bc1457a15
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+983b9dcd30ff3bfd46345f68ea89b90bc1457a15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate srmw 0.1.1
[INFO] finished tweaking crates.io crate srmw 0.1.1
[INFO] tweaked toml for crates.io crate srmw 0.1.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate srmw 0.1.1 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" "+983b9dcd30ff3bfd46345f68ea89b90bc1457a15" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+983b9dcd30ff3bfd46345f68ea89b90bc1457a15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f52a9c87fced2392c17a9d66cf5ea6aa8d08933ce11ca138829e5c0e8bca7464
[INFO] running `Command { std: "docker" "start" "-a" "f52a9c87fced2392c17a9d66cf5ea6aa8d08933ce11ca138829e5c0e8bca7464", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f52a9c87fced2392c17a9d66cf5ea6aa8d08933ce11ca138829e5c0e8bca7464", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f52a9c87fced2392c17a9d66cf5ea6aa8d08933ce11ca138829e5c0e8bca7464", kill_on_drop: false }`
[INFO] [stdout] f52a9c87fced2392c17a9d66cf5ea6aa8d08933ce11ca138829e5c0e8bca7464
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+983b9dcd30ff3bfd46345f68ea89b90bc1457a15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 201dbd429872ffa4f5ac8bc878225cf9b207c87cecb553b0439cc7b0f76cf11a
[INFO] running `Command { std: "docker" "start" "-a" "201dbd429872ffa4f5ac8bc878225cf9b207c87cecb553b0439cc7b0f76cf11a", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking kv-log-macro v1.0.4
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]     Checking once_cell v1.2.0
[INFO] [stderr]     Checking pin-project-lite v0.1.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking genawaiter v0.2.2
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking async-task v1.0.0
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking async-std v1.3.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling thiserror-impl v1.0.9
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking thiserror v1.0.9
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking srmw v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `AsyncRead` is imported redundantly
[INFO] [stdout]  --> src/copy.rs:2:53
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::{prelude::*, stream::FuturesUnordered, AsyncRead, AsyncWrite};
[INFO] [stdout]   |               ----------                            ^^^^^^^^^
[INFO] [stdout]   |               |
[INFO] [stdout]   |               the item `AsyncRead` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AsyncWrite` is imported redundantly
[INFO] [stdout]  --> src/copy.rs:2:64
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::{prelude::*, stream::FuturesUnordered, AsyncRead, AsyncWrite};
[INFO] [stdout]   |               ----------                                       ^^^^^^^^^^
[INFO] [stdout]   |               |
[INFO] [stdout]   |               the item `AsyncWrite` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AsyncWrite` is imported redundantly
[INFO] [stdout]  --> src/flush.rs:2:53
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::{prelude::*, stream::FuturesUnordered, AsyncWrite};
[INFO] [stdout]   |               ----------                            ^^^^^^^^^^
[INFO] [stdout]   |               |
[INFO] [stdout]   |               the item `AsyncWrite` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AsyncRead` is imported redundantly
[INFO] [stdout]  --> src/validate.rs:2:53
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::{prelude::*, stream::FuturesUnordered, AsyncRead};
[INFO] [stdout]   |               ----------                            ^^^^^^^^^
[INFO] [stdout]   |               |
[INFO] [stdout]   |               the item `AsyncRead` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AsyncRead` is imported redundantly
[INFO] [stdout]  --> src/copy.rs:2:53
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::{prelude::*, stream::FuturesUnordered, AsyncRead, AsyncWrite};
[INFO] [stdout]   |               ----------                            ^^^^^^^^^
[INFO] [stdout]   |               |
[INFO] [stdout]   |               the item `AsyncRead` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AsyncWrite` is imported redundantly
[INFO] [stdout]  --> src/copy.rs:2:64
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::{prelude::*, stream::FuturesUnordered, AsyncRead, AsyncWrite};
[INFO] [stdout]   |               ----------                                       ^^^^^^^^^^
[INFO] [stdout]   |               |
[INFO] [stdout]   |               the item `AsyncWrite` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AsyncWrite` is imported redundantly
[INFO] [stdout]  --> src/flush.rs:2:53
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::{prelude::*, stream::FuturesUnordered, AsyncWrite};
[INFO] [stdout]   |               ----------                            ^^^^^^^^^^
[INFO] [stdout]   |               |
[INFO] [stdout]   |               the item `AsyncWrite` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AsyncRead` is imported redundantly
[INFO] [stdout]  --> src/validate.rs:2:53
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::{prelude::*, stream::FuturesUnordered, AsyncRead};
[INFO] [stdout]   |               ----------                            ^^^^^^^^^
[INFO] [stdout]   |               |
[INFO] [stdout]   |               the item `AsyncRead` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.85s
[INFO] running `Command { std: "docker" "inspect" "201dbd429872ffa4f5ac8bc878225cf9b207c87cecb553b0439cc7b0f76cf11a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "201dbd429872ffa4f5ac8bc878225cf9b207c87cecb553b0439cc7b0f76cf11a", kill_on_drop: false }`
[INFO] [stdout] 201dbd429872ffa4f5ac8bc878225cf9b207c87cecb553b0439cc7b0f76cf11a
