[INFO] cloning repository https://github.com/javierjcf/gui_serial2websocket
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/javierjcf/gui_serial2websocket" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjavierjcf%2Fgui_serial2websocket", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjavierjcf%2Fgui_serial2websocket'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3630393488a10161402c08329ba1e21a17eb9864
[INFO] checking javierjcf/gui_serial2websocket against try#446cb600aa4837dd6c513f14fa0d25a909b177d7 for pr-149195
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjavierjcf%2Fgui_serial2websocket" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/javierjcf/gui_serial2websocket
[INFO] finished tweaking git repo https://github.com/javierjcf/gui_serial2websocket
[INFO] tweaked toml for git repo https://github.com/javierjcf/gui_serial2websocket written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/javierjcf/gui_serial2websocket on toolchain 446cb600aa4837dd6c513f14fa0d25a909b177d7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+446cb600aa4837dd6c513f14fa0d25a909b177d7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/javierjcf/gui_serial2websocket 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" "+446cb600aa4837dd6c513f14fa0d25a909b177d7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking javierjcf/gui_serial2websocket against try#446cb600aa4837dd6c513f14fa0d25a909b177d7 for pr-149195
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjavierjcf%2Fgui_serial2websocket" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/javierjcf/gui_serial2websocket
[INFO] finished tweaking git repo https://github.com/javierjcf/gui_serial2websocket
[INFO] tweaked toml for git repo https://github.com/javierjcf/gui_serial2websocket written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/javierjcf/gui_serial2websocket on toolchain 446cb600aa4837dd6c513f14fa0d25a909b177d7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+446cb600aa4837dd6c513f14fa0d25a909b177d7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/javierjcf/gui_serial2websocket 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" "+446cb600aa4837dd6c513f14fa0d25a909b177d7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded egui-winit v0.20.1
[INFO] [stderr]   Downloaded egui_glow v0.20.1
[INFO] [stderr]   Downloaded accesskit v0.8.1
[INFO] [stderr]   Downloaded emath v0.20.0
[INFO] [stderr]   Downloaded eframe v0.20.1
[INFO] [stderr]   Downloaded egui v0.20.1
[INFO] [stderr]   Downloaded accesskit_macos v0.4.2
[INFO] [stderr]   Downloaded accesskit_consumer v0.12.1
[INFO] [stderr]   Downloaded windows-implement v0.42.0
[INFO] [stderr]   Downloaded ecolor v0.20.0
[INFO] [stderr]   Downloaded accesskit_windows v0.10.4
[INFO] [stderr]   Downloaded windows v0.42.0
[INFO] [stderr]   Downloaded accesskit_winit v0.7.3
[INFO] [stderr]   Downloaded epaint v0.20.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+446cb600aa4837dd6c513f14fa0d25a909b177d7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d74d944e3130893b0802de673ca08c4a3722e2db7dc48d4df5e542f2304a949b
[INFO] running `Command { std: "docker" "start" "-a" "d74d944e3130893b0802de673ca08c4a3722e2db7dc48d4df5e542f2304a949b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d74d944e3130893b0802de673ca08c4a3722e2db7dc48d4df5e542f2304a949b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d74d944e3130893b0802de673ca08c4a3722e2db7dc48d4df5e542f2304a949b", kill_on_drop: false }`
[INFO] [stdout] d74d944e3130893b0802de673ca08c4a3722e2db7dc48d4df5e542f2304a949b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+446cb600aa4837dd6c513f14fa0d25a909b177d7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 275512a81106c2fc2f25c10b35fb1dff11e8b7673e1858e8d03c3b0edc9c721a
[INFO] running `Command { std: "docker" "start" "-a" "275512a81106c2fc2f25c10b35fb1dff11e8b7673e1858e8d03c3b0edc9c721a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling xml-rs v0.8.25
[INFO] [stderr]     Checking log v0.4.26
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling cc v1.2.15
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]     Checking lock_api v0.4.12
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]    Compiling servo-fontconfig-sys v5.1.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.16.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling crossfont v0.5.2
[INFO] [stderr]     Checking foreign-types-shared v0.3.1
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[INFO] [stderr]     Checking png v0.17.16
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking raw-window-handle v0.5.2
[INFO] [stderr]     Checking linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]     Checking raw-window-handle v0.4.3
[INFO] [stderr]    Compiling glutin_glx_sys v0.4.0
[INFO] [stderr]    Compiling glutin_egl_sys v0.5.1
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]     Checking parking_lot_core v0.9.10
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[INFO] [stderr]    Compiling freetype-sys v0.13.1
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]     Checking nix v0.25.1
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]     Checking freetype-rs v0.26.0
[INFO] [stderr]     Checking servo-fontconfig v0.5.1
[INFO] [stderr]     Checking x11-dl v2.21.0
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]    Compiling wayland-sys v0.30.1
[INFO] [stderr]     Checking x11rb-protocol v0.13.1
[INFO] [stderr]    Compiling glutin v0.30.10
[INFO] [stderr]     Checking wayland-commons v0.29.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking socket2 v0.5.8
[INFO] [stderr]     Checking block-buffer v0.9.0
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[INFO] [stderr]     Checking home v0.5.11
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]     Checking wayland-cursor v0.29.5
[INFO] [stderr]     Checking nix v0.29.0
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]     Checking glow v0.11.2
[INFO] [stderr]    Compiling zerofrom-derive v0.1.5
[INFO] [stderr]    Compiling yoke-derive v0.7.5
[INFO] [stderr]    Compiling zerovec-derive v0.10.3
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling bytemuck_derive v1.8.1
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]     Checking zerofrom v0.1.5
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]    Compiling foreign-types-macros v0.2.3
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling enumset_derive v0.10.0
[INFO] [stderr]     Checking yoke v0.7.5
[INFO] [stderr]     Checking zerovec v0.10.4
[INFO] [stderr]     Checking foreign-types v0.5.0
[INFO] [stderr]     Checking bytemuck v1.21.0
[INFO] [stderr]     Checking tiny-skia-path v0.7.0
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking safe_arch v0.5.2
[INFO] [stderr]     Checking emath v0.20.0
[INFO] [stderr]     Checking calloop v0.10.6
[INFO] [stderr]     Checking enumset v1.1.5
[INFO] [stderr]     Checking ecolor v0.20.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking epaint v0.20.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking unescaper v0.1.5
[INFO] [stderr]     Checking tinystr v0.7.6
[INFO] [stderr]     Checking icu_collections v1.5.0
[INFO] [stderr]     Checking accesskit v0.8.1
[INFO] [stderr]     Checking tiny-skia v0.7.0
[INFO] [stderr]     Checking icu_locid v1.5.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking x11rb v0.13.1
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking icu_provider v1.5.0
[INFO] [stderr]     Checking egui v0.20.1
[INFO] [stderr]     Checking icu_locid_transform v1.5.0
[INFO] [stderr]     Checking tokio v1.43.0
[INFO] [stderr]     Checking serialport v4.7.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.9
[INFO] [stderr]     Checking mio-serial v5.0.6
[INFO] [stderr]     Checking arboard v3.4.1
[INFO] [stderr]     Checking icu_properties v1.5.1
[INFO] [stderr]     Checking pin-project v1.1.9
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking egui_glow v0.20.1
[INFO] [stderr]     Checking icu_normalizer v1.5.0
[INFO] [stderr]     Checking idna_adapter v1.2.0
[INFO] [stderr]     Checking idna v1.0.3
[INFO] [stderr]     Checking url v2.5.4
[INFO] [stderr]     Checking webbrowser v0.8.15
[INFO] [stderr]     Checking tungstenite v0.14.0
[INFO] [stderr]     Checking tokio-serial v5.4.5
[INFO] [stderr]     Checking tokio-tungstenite v0.15.0
[INFO] [stderr]     Checking sctk-adwaita v0.4.3
[INFO] [stderr]     Checking smithay-clipboard v0.6.6
[INFO] [stderr]     Checking winit v0.27.5
[INFO] [stderr]     Checking accesskit_winit v0.7.3
[INFO] [stderr]     Checking egui-winit v0.20.1
[INFO] [stderr]     Checking eframe v0.20.1
[INFO] [stderr]     Checking serial_to_websocket v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `AsyncWriteExt`
[INFO] [stdout]  --> src/main.rs:2:31
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tokio::io::{AsyncReadExt, AsyncWriteExt};
[INFO] [stdout]   |                               ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncWriteExt`
[INFO] [stdout]  --> src/main.rs:2:31
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tokio::io::{AsyncReadExt, AsyncWriteExt};
[INFO] [stdout]   |                               ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:146:25
[INFO] [stdout]     |
[INFO] [stdout] 146 |                     let mut clients_guard = clients.lock().await;
[INFO] [stdout]     |                         ----^^^^^^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:178:49
[INFO] [stdout]     |
[INFO] [stdout] 178 | ...                   let mut clients_guard = clients.lock().await;
[INFO] [stdout]     |                           ----^^^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:191:45
[INFO] [stdout]     |
[INFO] [stdout] 191 | ...                   let mut clients_guard = clients.lock().await;
[INFO] [stdout]     |                           ----^^^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `StreamExt`
[INFO] [stdout]  --> src/main.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 | use futures_util::{StreamExt, SinkExt};
[INFO] [stdout]   |                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:146:25
[INFO] [stdout]     |
[INFO] [stdout] 146 |                     let mut clients_guard = clients.lock().await;
[INFO] [stdout]     |                         ----^^^^^^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:178:49
[INFO] [stdout]     |
[INFO] [stdout] 178 | ...                   let mut clients_guard = clients.lock().await;
[INFO] [stdout]     |                           ----^^^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:191:45
[INFO] [stdout]     |
[INFO] [stdout] 191 | ...                   let mut clients_guard = clients.lock().await;
[INFO] [stdout]     |                           ----^^^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `StreamExt`
[INFO] [stdout]  --> src/main.rs:7:20
[INFO] [stdout]   |
[INFO] [stdout] 7 | use futures_util::{StreamExt, SinkExt};
[INFO] [stdout]   |                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "275512a81106c2fc2f25c10b35fb1dff11e8b7673e1858e8d03c3b0edc9c721a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "275512a81106c2fc2f25c10b35fb1dff11e8b7673e1858e8d03c3b0edc9c721a", kill_on_drop: false }`
[INFO] [stdout] 275512a81106c2fc2f25c10b35fb1dff11e8b7673e1858e8d03c3b0edc9c721a
