[INFO] fetching crate lightws 0.6.8...
[INFO] checking lightws-0.6.8 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate lightws 0.6.8 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate lightws 0.6.8 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "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-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 82 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.21.0 (latest: v0.22.0)
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ebda3203752926c102b26927cb5d06a4902261dd31c674c6585179f7baf5fb62
[INFO] running `Command { std: "docker" "start" "-a" "ebda3203752926c102b26927cb5d06a4902261dd31c674c6585179f7baf5fb62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebda3203752926c102b26927cb5d06a4902261dd31c674c6585179f7baf5fb62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebda3203752926c102b26927cb5d06a4902261dd31c674c6585179f7baf5fb62", kill_on_drop: false }`
[INFO] [stdout] ebda3203752926c102b26927cb5d06a4902261dd31c674c6585179f7baf5fb62
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a5caa9321779a95082ffe82c32e8b23cd2fba4d59592794f3ff1dee008a5302
[INFO] running `Command { std: "docker" "start" "-a" "5a5caa9321779a95082ffe82c32e8b23cd2fba4d59592794f3ff1dee008a5302", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]     Checking memchr v2.7.2
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[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 2024-04-23; 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 2024-04-23; 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: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 2024-04-23; 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 2024-04-23; 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 2024-04-23; 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 2024-04-23; 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 2024-04-23; 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 2024-04-23; 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 2024-04-23; 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 2024-04-23; 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 2024-04-23; 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 2024-04-23; 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 2024-04-23; 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 2024-04-23; 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 2024-04-23; 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 2024-04-23; 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; 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 test) due to 9 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "5a5caa9321779a95082ffe82c32e8b23cd2fba4d59592794f3ff1dee008a5302", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a5caa9321779a95082ffe82c32e8b23cd2fba4d59592794f3ff1dee008a5302", kill_on_drop: false }`
[INFO] [stdout] 5a5caa9321779a95082ffe82c32e8b23cd2fba4d59592794f3ff1dee008a5302
