[INFO] fetching crate lightws 0.6.8...
[INFO] checking lightws-0.6.8 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate lightws 0.6.8 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate lightws 0.6.8 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lightws 0.6.8
[INFO] finished tweaking crates.io crate lightws 0.6.8
[INFO] tweaked toml for crates.io crate lightws 0.6.8 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6350fd3726987426bf5524f28f4aab63a46e6c3a860a952d9675ab93fd1a3c4d
[INFO] running `Command { std: "docker" "start" "-a" "6350fd3726987426bf5524f28f4aab63a46e6c3a860a952d9675ab93fd1a3c4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6350fd3726987426bf5524f28f4aab63a46e6c3a860a952d9675ab93fd1a3c4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6350fd3726987426bf5524f28f4aab63a46e6c3a860a952d9675ab93fd1a3c4d", kill_on_drop: false }`
[INFO] [stdout] 6350fd3726987426bf5524f28f4aab63a46e6c3a860a952d9675ab93fd1a3c4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 036002f2d123e84596389f21c5b5b68c7f3fe5f4f473eaaf55a83e247e52057f
[INFO] running `Command { std: "docker" "start" "-a" "036002f2d123e84596389f21c5b5b68c7f3fe5f4f473eaaf55a83e247e52057f", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]     Checking base64 v0.20.0
[INFO] [stderr]     Checking env_logger v0.9.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.57
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking lightws v0.6.8 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: use of unstable library feature 'core_io_borrowed_buf'
[INFO] [stdout]   --> src/stream/read.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |         use std::io::BorrowedBuf;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #117693 <https://github.com/rust-lang/rust/issues/117693> for more information
[INFO] [stdout]    = help: add `#![feature(core_io_borrowed_buf)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'core_io_borrowed_buf'
[INFO] [stdout]   --> src/stream/read.rs:73:31
[INFO] [stdout]    |
[INFO] [stdout] 73 |             let mut read_buf: BorrowedBuf<'_> = buf.spare_capacity_mut().into();
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #117693 <https://github.com/rust-lang/rust/issues/117693> for more information
[INFO] [stdout]    = help: add `#![feature(core_io_borrowed_buf)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Read` is imported redundantly
[INFO] [stdout]    --> src/stream/read.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |     use std::io::Read;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 126 |     use super::*;
[INFO] [stdout]     |         -------- the item `Read` is already imported here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]   --> src/stream/write.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     use super::*;
[INFO] [stdout]    |         -------- the item `Write` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 62 |     use std::io::Write;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `HandshakeError` is imported redundantly
[INFO] [stdout]   --> src/endpoint/client.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     use super::*;
[INFO] [stdout]    |         -------- the item `HandshakeError` is already imported here
[INFO] [stdout] 86 |     use super::super::test::*;
[INFO] [stdout] 87 |     use crate::error::HandshakeError;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `HttpHeader` is imported redundantly
[INFO] [stdout]    --> src/handshake/request.rs:266:9
[INFO] [stdout]     |
[INFO] [stdout] 265 |     use super::*;
[INFO] [stdout]     |         -------- the item `HttpHeader` is already imported here
[INFO] [stdout] 266 |     use super::super::HttpHeader;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `HttpHeader` is imported redundantly
[INFO] [stdout]    --> src/handshake/response.rs:225:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |     use super::*;
[INFO] [stdout]     |         -------- the item `HttpHeader` is already imported here
[INFO] [stdout] 225 |     use super::super::HttpHeader;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'core_io_borrowed_buf'
[INFO] [stdout]   --> src/stream/read.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |         use std::io::BorrowedBuf;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #117693 <https://github.com/rust-lang/rust/issues/117693> for more information
[INFO] [stdout]    = help: add `#![feature(core_io_borrowed_buf)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'core_io_borrowed_buf'
[INFO] [stdout]   --> src/stream/read.rs:73:31
[INFO] [stdout]    |
[INFO] [stdout] 73 |             let mut read_buf: BorrowedBuf<'_> = buf.spare_capacity_mut().into();
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #117693 <https://github.com/rust-lang/rust/issues/117693> for more information
[INFO] [stdout]    = help: add `#![feature(core_io_borrowed_buf)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'core_io_borrowed_buf'
[INFO] [stdout]   --> src/stream/read.rs:77:26
[INFO] [stdout]    |
[INFO] [stdout] 77 |                 read_buf.set_init(initialized);
[INFO] [stdout]    |                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #117693 <https://github.com/rust-lang/rust/issues/117693> for more information
[INFO] [stdout]    = help: add `#![feature(core_io_borrowed_buf)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'core_io_borrowed_buf'
[INFO] [stdout]   --> src/stream/read.rs:80:39
[INFO] [stdout]    |
[INFO] [stdout] 80 |             let mut cursor = read_buf.unfilled();
[INFO] [stdout]    |                                       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #117693 <https://github.com/rust-lang/rust/issues/117693> for more information
[INFO] [stdout]    = help: add `#![feature(core_io_borrowed_buf)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'core_io_borrowed_buf'
[INFO] [stdout]   --> src/stream/read.rs:81:40
[INFO] [stdout]    |
[INFO] [stdout] 81 |             match self.read_buf(cursor.reborrow()) {
[INFO] [stdout]    |                                        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #117693 <https://github.com/rust-lang/rust/issues/117693> for more information
[INFO] [stdout]    = help: add `#![feature(core_io_borrowed_buf)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'core_io_borrowed_buf'
[INFO] [stdout]   --> src/stream/read.rs:87:23
[INFO] [stdout]    |
[INFO] [stdout] 87 |             if cursor.written() == 0 {
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #117693 <https://github.com/rust-lang/rust/issues/117693> for more information
[INFO] [stdout]    = help: add `#![feature(core_io_borrowed_buf)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'core_io_borrowed_buf'
[INFO] [stdout]   --> src/stream/read.rs:92:34
[INFO] [stdout]    |
[INFO] [stdout] 92 |             initialized = cursor.init_ref().len();
[INFO] [stdout]    |                                  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #117693 <https://github.com/rust-lang/rust/issues/117693> for more information
[INFO] [stdout]    = help: add `#![feature(core_io_borrowed_buf)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'core_io_borrowed_buf'
[INFO] [stdout]   --> src/stream/read.rs:96:40
[INFO] [stdout]    |
[INFO] [stdout] 96 |                 let new_len = read_buf.filled().len() + buf.len();
[INFO] [stdout]    |                                        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #117693 <https://github.com/rust-lang/rust/issues/117693> for more information
[INFO] [stdout]    = help: add `#![feature(core_io_borrowed_buf)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/stream/detail/read.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     mut stream: &mut Stream<IO, Role, Guard>,
[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/stream/detail/write.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     mut stream: &mut Stream<IO, Role, Guard>,
[INFO] [stdout]    |     ----^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'core_io_borrowed_buf'
[INFO] [stdout]   --> src/stream/read.rs:77:26
[INFO] [stdout]    |
[INFO] [stdout] 77 |                 read_buf.set_init(initialized);
[INFO] [stdout]    |                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #117693 <https://github.com/rust-lang/rust/issues/117693> for more information
[INFO] [stdout]    = help: add `#![feature(core_io_borrowed_buf)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'core_io_borrowed_buf'
[INFO] [stdout]   --> src/stream/read.rs:80:39
[INFO] [stdout]    |
[INFO] [stdout] 80 |             let mut cursor = read_buf.unfilled();
[INFO] [stdout]    |                                       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #117693 <https://github.com/rust-lang/rust/issues/117693> for more information
[INFO] [stdout]    = help: add `#![feature(core_io_borrowed_buf)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'core_io_borrowed_buf'
[INFO] [stdout]   --> src/stream/read.rs:81:40
[INFO] [stdout]    |
[INFO] [stdout] 81 |             match self.read_buf(cursor.reborrow()) {
[INFO] [stdout]    |                                        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #117693 <https://github.com/rust-lang/rust/issues/117693> for more information
[INFO] [stdout]    = help: add `#![feature(core_io_borrowed_buf)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'core_io_borrowed_buf'
[INFO] [stdout]   --> src/stream/read.rs:87:23
[INFO] [stdout]    |
[INFO] [stdout] 87 |             if cursor.written() == 0 {
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #117693 <https://github.com/rust-lang/rust/issues/117693> for more information
[INFO] [stdout]    = help: add `#![feature(core_io_borrowed_buf)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'core_io_borrowed_buf'
[INFO] [stdout]   --> src/stream/read.rs:92:34
[INFO] [stdout]    |
[INFO] [stdout] 92 |             initialized = cursor.init_ref().len();
[INFO] [stdout]    |                                  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #117693 <https://github.com/rust-lang/rust/issues/117693> for more information
[INFO] [stdout]    = help: add `#![feature(core_io_borrowed_buf)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'core_io_borrowed_buf'
[INFO] [stdout]   --> src/stream/read.rs:96:40
[INFO] [stdout]    |
[INFO] [stdout] 96 |                 let new_len = read_buf.filled().len() + buf.len();
[INFO] [stdout]    |                                        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #117693 <https://github.com/rust-lang/rust/issues/117693> for more information
[INFO] [stdout]    = help: add `#![feature(core_io_borrowed_buf)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lightws` (lib) due to 9 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/stream/detail/read.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     mut stream: &mut Stream<IO, Role, Guard>,
[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/stream/detail/write.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     mut stream: &mut Stream<IO, Role, Guard>,
[INFO] [stdout]    |     ----^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors; 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lightws` (lib test) due to 9 previous errors; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "036002f2d123e84596389f21c5b5b68c7f3fe5f4f473eaaf55a83e247e52057f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "036002f2d123e84596389f21c5b5b68c7f3fe5f4f473eaaf55a83e247e52057f", kill_on_drop: false }`
[INFO] [stdout] 036002f2d123e84596389f21c5b5b68c7f3fe5f4f473eaaf55a83e247e52057f
[INFO] checking lightws-0.6.8 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate lightws 0.6.8 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate lightws 0.6.8 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lightws 0.6.8
[INFO] finished tweaking crates.io crate lightws 0.6.8
[INFO] tweaked toml for crates.io crate lightws 0.6.8 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b2f7312288b33323cc433b80b040ff4e966c30ea06894ef505776bdc7b0e070
[INFO] running `Command { std: "docker" "start" "-a" "8b2f7312288b33323cc433b80b040ff4e966c30ea06894ef505776bdc7b0e070", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b2f7312288b33323cc433b80b040ff4e966c30ea06894ef505776bdc7b0e070", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b2f7312288b33323cc433b80b040ff4e966c30ea06894ef505776bdc7b0e070", kill_on_drop: false }`
[INFO] [stdout] 8b2f7312288b33323cc433b80b040ff4e966c30ea06894ef505776bdc7b0e070
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80aad083a2ad6f2f25def71fe7968c384aac30c212fc3740753203a0460ff166
[INFO] running `Command { std: "docker" "start" "-a" "80aad083a2ad6f2f25def71fe7968c384aac30c212fc3740753203a0460ff166", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking base64 v0.20.0
[INFO] [stderr]     Checking env_logger v0.9.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling syn v2.0.57
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking lightws v0.6.8 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: use of unstable library feature 'core_io_borrowed_buf'
[INFO] [stdout]   --> src/stream/read.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |         use std::io::BorrowedBuf;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #117693 <https://github.com/rust-lang/rust/issues/117693> for more information
[INFO] [stdout]    = help: add `#![feature(core_io_borrowed_buf)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'core_io_borrowed_buf'
[INFO] [stdout]   --> src/stream/read.rs:73:31
[INFO] [stdout]    |
[INFO] [stdout] 73 |             let mut read_buf: BorrowedBuf<'_> = buf.spare_capacity_mut().into();
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #117693 <https://github.com/rust-lang/rust/issues/117693> for more information
[INFO] [stdout]    = help: add `#![feature(core_io_borrowed_buf)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Read` is imported redundantly
[INFO] [stdout]    --> src/stream/read.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |     use std::io::Read;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 126 |     use super::*;
[INFO] [stdout]     |         -------- the item `Read` is already imported here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]   --> src/stream/write.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     use super::*;
[INFO] [stdout]    |         -------- the item `Write` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 62 |     use std::io::Write;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `HandshakeError` is imported redundantly
[INFO] [stdout]   --> src/endpoint/client.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     use super::*;
[INFO] [stdout]    |         -------- the item `HandshakeError` is already imported here
[INFO] [stdout] 86 |     use super::super::test::*;
[INFO] [stdout] 87 |     use crate::error::HandshakeError;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `HttpHeader` is imported redundantly
[INFO] [stdout]    --> src/handshake/request.rs:266:9
[INFO] [stdout]     |
[INFO] [stdout] 265 |     use super::*;
[INFO] [stdout]     |         -------- the item `HttpHeader` is already imported here
[INFO] [stdout] 266 |     use super::super::HttpHeader;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `HttpHeader` is imported redundantly
[INFO] [stdout]    --> src/handshake/response.rs:225:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |     use super::*;
[INFO] [stdout]     |         -------- the item `HttpHeader` is already imported here
[INFO] [stdout] 225 |     use super::super::HttpHeader;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'core_io_borrowed_buf'
[INFO] [stdout]   --> src/stream/read.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |         use std::io::BorrowedBuf;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #117693 <https://github.com/rust-lang/rust/issues/117693> for more information
[INFO] [stdout]    = help: add `#![feature(core_io_borrowed_buf)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'core_io_borrowed_buf'
[INFO] [stdout]   --> src/stream/read.rs:73:31
[INFO] [stdout]    |
[INFO] [stdout] 73 |             let mut read_buf: BorrowedBuf<'_> = buf.spare_capacity_mut().into();
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #117693 <https://github.com/rust-lang/rust/issues/117693> for more information
[INFO] [stdout]    = help: add `#![feature(core_io_borrowed_buf)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'core_io_borrowed_buf'
[INFO] [stdout]   --> src/stream/read.rs:77:26
[INFO] [stdout]    |
[INFO] [stdout] 77 |                 read_buf.set_init(initialized);
[INFO] [stdout]    |                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #117693 <https://github.com/rust-lang/rust/issues/117693> for more information
[INFO] [stdout]    = help: add `#![feature(core_io_borrowed_buf)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'core_io_borrowed_buf'
[INFO] [stdout]   --> src/stream/read.rs:80:39
[INFO] [stdout]    |
[INFO] [stdout] 80 |             let mut cursor = read_buf.unfilled();
[INFO] [stdout]    |                                       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #117693 <https://github.com/rust-lang/rust/issues/117693> for more information
[INFO] [stdout]    = help: add `#![feature(core_io_borrowed_buf)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'core_io_borrowed_buf'
[INFO] [stdout]   --> src/stream/read.rs:81:40
[INFO] [stdout]    |
[INFO] [stdout] 81 |             match self.read_buf(cursor.reborrow()) {
[INFO] [stdout]    |                                        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #117693 <https://github.com/rust-lang/rust/issues/117693> for more information
[INFO] [stdout]    = help: add `#![feature(core_io_borrowed_buf)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'core_io_borrowed_buf'
[INFO] [stdout]   --> src/stream/read.rs:87:23
[INFO] [stdout]    |
[INFO] [stdout] 87 |             if cursor.written() == 0 {
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #117693 <https://github.com/rust-lang/rust/issues/117693> for more information
[INFO] [stdout]    = help: add `#![feature(core_io_borrowed_buf)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'core_io_borrowed_buf'
[INFO] [stdout]   --> src/stream/read.rs:92:34
[INFO] [stdout]    |
[INFO] [stdout] 92 |             initialized = cursor.init_ref().len();
[INFO] [stdout]    |                                  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #117693 <https://github.com/rust-lang/rust/issues/117693> for more information
[INFO] [stdout]    = help: add `#![feature(core_io_borrowed_buf)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'core_io_borrowed_buf'
[INFO] [stdout]   --> src/stream/read.rs:96:40
[INFO] [stdout]    |
[INFO] [stdout] 96 |                 let new_len = read_buf.filled().len() + buf.len();
[INFO] [stdout]    |                                        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #117693 <https://github.com/rust-lang/rust/issues/117693> for more information
[INFO] [stdout]    = help: add `#![feature(core_io_borrowed_buf)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'core_io_borrowed_buf'
[INFO] [stdout]   --> src/stream/read.rs:77:26
[INFO] [stdout]    |
[INFO] [stdout] 77 |                 read_buf.set_init(initialized);
[INFO] [stdout]    |                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #117693 <https://github.com/rust-lang/rust/issues/117693> for more information
[INFO] [stdout]    = help: add `#![feature(core_io_borrowed_buf)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'core_io_borrowed_buf'
[INFO] [stdout]   --> src/stream/read.rs:80:39
[INFO] [stdout]    |
[INFO] [stdout] 80 |             let mut cursor = read_buf.unfilled();
[INFO] [stdout]    |                                       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #117693 <https://github.com/rust-lang/rust/issues/117693> for more information
[INFO] [stdout]    = help: add `#![feature(core_io_borrowed_buf)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'core_io_borrowed_buf'
[INFO] [stdout]   --> src/stream/read.rs:81:40
[INFO] [stdout]    |
[INFO] [stdout] 81 |             match self.read_buf(cursor.reborrow()) {
[INFO] [stdout]    |                                        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #117693 <https://github.com/rust-lang/rust/issues/117693> for more information
[INFO] [stdout]    = help: add `#![feature(core_io_borrowed_buf)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'core_io_borrowed_buf'
[INFO] [stdout]   --> src/stream/read.rs:87:23
[INFO] [stdout]    |
[INFO] [stdout] 87 |             if cursor.written() == 0 {
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #117693 <https://github.com/rust-lang/rust/issues/117693> for more information
[INFO] [stdout]    = help: add `#![feature(core_io_borrowed_buf)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'core_io_borrowed_buf'
[INFO] [stdout]   --> src/stream/read.rs:92:34
[INFO] [stdout]    |
[INFO] [stdout] 92 |             initialized = cursor.init_ref().len();
[INFO] [stdout]    |                                  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #117693 <https://github.com/rust-lang/rust/issues/117693> for more information
[INFO] [stdout]    = help: add `#![feature(core_io_borrowed_buf)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'core_io_borrowed_buf'
[INFO] [stdout]   --> src/stream/read.rs:96:40
[INFO] [stdout]    |
[INFO] [stdout] 96 |                 let new_len = read_buf.filled().len() + buf.len();
[INFO] [stdout]    |                                        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #117693 <https://github.com/rust-lang/rust/issues/117693> for more information
[INFO] [stdout]    = help: add `#![feature(core_io_borrowed_buf)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/stream/detail/read.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     mut stream: &mut Stream<IO, Role, Guard>,
[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/stream/detail/write.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     mut stream: &mut Stream<IO, Role, Guard>,
[INFO] [stdout]    |     ----^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lightws` (lib) due to 9 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/stream/detail/read.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     mut stream: &mut Stream<IO, Role, Guard>,
[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/stream/detail/write.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     mut stream: &mut Stream<IO, Role, Guard>,
[INFO] [stdout]    |     ----^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors; 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lightws` (lib test) due to 9 previous errors; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "80aad083a2ad6f2f25def71fe7968c384aac30c212fc3740753203a0460ff166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80aad083a2ad6f2f25def71fe7968c384aac30c212fc3740753203a0460ff166", kill_on_drop: false }`
[INFO] [stdout] 80aad083a2ad6f2f25def71fe7968c384aac30c212fc3740753203a0460ff166
