[INFO] cloning repository https://github.com/schooldanlp6/marstui-rustio [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/schooldanlp6/marstui-rustio" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschooldanlp6%2Fmarstui-rustio", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschooldanlp6%2Fmarstui-rustio'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 788effe8231891c9bbc87c63672f76aaf1098b81 [INFO] checking schooldanlp6/marstui-rustio against try#5de9e0e6cf775e94e0de2003f35e183f3f77bfe8 for pr-143808 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschooldanlp6%2Fmarstui-rustio" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/schooldanlp6/marstui-rustio [INFO] finished tweaking git repo https://github.com/schooldanlp6/marstui-rustio [INFO] tweaked toml for git repo https://github.com/schooldanlp6/marstui-rustio written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/schooldanlp6/marstui-rustio on toolchain 5de9e0e6cf775e94e0de2003f35e183f3f77bfe8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/schooldanlp6/marstui-rustio 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" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking schooldanlp6/marstui-rustio against try#5de9e0e6cf775e94e0de2003f35e183f3f77bfe8 for pr-143808 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschooldanlp6%2Fmarstui-rustio" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/schooldanlp6/marstui-rustio [INFO] finished tweaking git repo https://github.com/schooldanlp6/marstui-rustio [INFO] tweaked toml for git repo https://github.com/schooldanlp6/marstui-rustio written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/schooldanlp6/marstui-rustio on toolchain 5de9e0e6cf775e94e0de2003f35e183f3f77bfe8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/schooldanlp6/marstui-rustio 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" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "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 schooldanlp6/marstui-rustio against try#5de9e0e6cf775e94e0de2003f35e183f3f77bfe8 for pr-143808 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fschooldanlp6%2Fmarstui-rustio" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/schooldanlp6/marstui-rustio [INFO] finished tweaking git repo https://github.com/schooldanlp6/marstui-rustio [INFO] tweaked toml for git repo https://github.com/schooldanlp6/marstui-rustio written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/schooldanlp6/marstui-rustio on toolchain 5de9e0e6cf775e94e0de2003f35e183f3f77bfe8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/schooldanlp6/marstui-rustio 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" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b6b7990dc979cf3272d1524c84503722062702a25e76ee06a750d621e25a453e [INFO] running `Command { std: "docker" "start" "-a" "b6b7990dc979cf3272d1524c84503722062702a25e76ee06a750d621e25a453e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b6b7990dc979cf3272d1524c84503722062702a25e76ee06a750d621e25a453e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b6b7990dc979cf3272d1524c84503722062702a25e76ee06a750d621e25a453e", kill_on_drop: false }` [INFO] [stdout] b6b7990dc979cf3272d1524c84503722062702a25e76ee06a750d621e25a453e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 68a61050d406805f401ba5279af5c42411a828bb1bf2bc65a93b85bbfd97ed43 [INFO] running `Command { std: "docker" "start" "-a" "68a61050d406805f401ba5279af5c42411a828bb1bf2bc65a93b85bbfd97ed43", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.89 [INFO] [stderr] Compiling unicode-ident v1.0.13 [INFO] [stderr] Compiling libc v0.2.162 [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Checking pin-project-lite v0.2.15 [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Compiling serde v1.0.214 [INFO] [stderr] Checking parking v2.2.1 [INFO] [stderr] Checking futures-core v0.3.31 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling hashbrown v0.15.1 [INFO] [stderr] Checking futures-io v0.3.31 [INFO] [stderr] Compiling winnow v0.6.20 [INFO] [stderr] Compiling equivalent v1.0.1 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking fastrand v2.2.0 [INFO] [stderr] Compiling toml_datetime v0.6.8 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling static_assertions v1.1.0 [INFO] [stderr] Checking concurrent-queue v2.5.0 [INFO] [stderr] Checking futures-lite v2.5.0 [INFO] [stderr] Checking once_cell v1.20.2 [INFO] [stderr] Checking event-listener v5.3.1 [INFO] [stderr] Compiling rustix v0.38.39 [INFO] [stderr] Compiling indexmap v2.6.0 [INFO] [stderr] Checking bitflags v2.6.0 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Checking event-listener-strategy v0.5.2 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Compiling syn v2.0.87 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Checking linux-raw-sys v0.4.14 [INFO] [stderr] Compiling signal-hook v0.3.17 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Checking async-lock v3.4.0 [INFO] [stderr] Compiling pkg-config v0.3.31 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking signal-hook-registry v1.4.2 [INFO] [stderr] Checking async-task v4.7.1 [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Compiling toml_edit v0.22.22 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Checking mio v0.8.11 [INFO] [stderr] Compiling libdbus-sys v0.2.5 [INFO] [stderr] Checking async-channel v2.3.1 [INFO] [stderr] Compiling memoffset v0.9.1 [INFO] [stderr] Compiling endi v1.1.0 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Checking atomic-waker v1.1.2 [INFO] [stderr] Compiling cfg_aliases v0.2.1 [INFO] [stderr] Checking piper v0.2.4 [INFO] [stderr] Compiling nix v0.29.0 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Checking signal-hook-mio v0.2.4 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Compiling thiserror v1.0.68 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Compiling unicode-segmentation v1.12.0 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling proc-macro-crate v3.2.0 [INFO] [stderr] Checking blocking v1.6.1 [INFO] [stderr] Checking futures-sink v0.3.31 [INFO] [stderr] Checking futures-task v0.3.31 [INFO] [stderr] Compiling darling_core v0.14.4 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Compiling derive_is_enum_variant v0.1.1 [INFO] [stderr] Checking async-fs v2.1.2 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking dbus v0.9.7 [INFO] [stderr] Checking crossterm v0.25.0 [INFO] [stderr] Checking async-executor v1.13.1 [INFO] [stderr] Checking dirs-sys v0.3.7 [INFO] [stderr] Checking xdg-home v1.3.0 [INFO] [stderr] Checking async-broadcast v0.7.1 [INFO] [stderr] Checking ordered-stream v0.2.0 [INFO] [stderr] Checking cassowary v0.3.0 [INFO] [stderr] Checking unicode-width v0.1.14 [INFO] [stderr] Checking hex v0.4.3 [INFO] [stderr] Compiling enum-kinds v0.5.1 [INFO] [stderr] Checking dirs v4.0.0 [INFO] [stderr] Checking tui v0.19.0 [INFO] [stderr] Checking crossterm v0.23.2 [INFO] [stderr] Compiling darling_macro v0.14.4 [INFO] [stderr] Compiling serde_derive v1.0.214 [INFO] [stderr] Compiling enumflags2_derive v0.7.10 [INFO] [stderr] Compiling tracing-attributes v0.1.27 [INFO] [stderr] Compiling thiserror-impl v1.0.68 [INFO] [stderr] Compiling serde_repr v0.1.19 [INFO] [stderr] Compiling darling v0.14.4 [INFO] [stderr] Compiling from_variants_impl v1.0.2 [INFO] [stderr] Compiling async-trait v0.1.83 [INFO] [stderr] Checking from_variants v1.0.2 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Checking mpris v2.0.1 [INFO] [stderr] Checking polling v3.7.4 [INFO] [stderr] Checking async-io v2.4.0 [INFO] [stderr] Checking async-signal v0.2.10 [INFO] [stderr] Checking async-process v2.3.0 [INFO] [stderr] Checking enumflags2 v0.7.10 [INFO] [stderr] Checking zvariant_utils v3.0.2 [INFO] [stderr] Checking toml v0.5.11 [INFO] [stderr] Compiling zvariant_derive v5.1.0 [INFO] [stderr] Compiling zvariant v5.1.0 [INFO] [stderr] Checking zbus_names v4.1.0 [INFO] [stderr] Compiling zbus_macros v5.1.1 [INFO] [stderr] Checking zbus v5.1.1 [INFO] [stderr] Checking marstui-audio v2.1.1-dev (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `style::Print` [INFO] [stdout] --> src/main.rs:6:38 [INFO] [stdout] | [INFO] [stdout] 6 | event::{self, KeyCode}, execute, style::Print, terminal::{disable_raw_mode, enable_raw_mode, EnterAlternateScreen, LeaveAlternateScreen} [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `style::Print` [INFO] [stdout] --> src/main.rs:6:38 [INFO] [stdout] | [INFO] [stdout] 6 | event::{self, KeyCode}, execute, style::Print, terminal::{disable_raw_mode, enable_raw_mode, EnterAlternateScreen, LeaveAlternateScreen} [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `zvariant::Str` [INFO] [stdout] --> src/main.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | use zbus::{zvariant::Str, Result}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `zvariant::Str` [INFO] [stdout] --> src/main.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | use zbus::{zvariant::Str, Result}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:296:20 [INFO] [stdout] | [INFO] [stdout] 296 | if (!config.hide_controls){ [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 296 - if (!config.hide_controls){ [INFO] [stdout] 296 + if !config.hide_controls { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:296:20 [INFO] [stdout] | [INFO] [stdout] 296 | if (!config.hide_controls){ [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 296 - if (!config.hide_controls){ [INFO] [stdout] 296 + if !config.hide_controls { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `failed` is assigned to, but never used [INFO] [stdout] --> src/main.rs:123:17 [INFO] [stdout] | [INFO] [stdout] 123 | let mut failed; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_failed` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `failed` is assigned to, but never used [INFO] [stdout] --> src/main.rs:123:17 [INFO] [stdout] | [INFO] [stdout] 123 | let mut failed; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_failed` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `failed` is never read [INFO] [stdout] --> src/main.rs:124:56 [INFO] [stdout] | [INFO] [stdout] 124 | if let Err(newvol) = player.set_volume(volnew){failed = newvol;}else{let failed = "notfailed";} [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `failed` is never read [INFO] [stdout] --> src/main.rs:124:56 [INFO] [stdout] | [INFO] [stdout] 124 | if let Err(newvol) = player.set_volume(volnew){failed = newvol;}else{let failed = "notfailed";} [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `failed` [INFO] [stdout] --> src/main.rs:124:82 [INFO] [stdout] | [INFO] [stdout] 124 | if let Err(newvol) = player.set_volume(volnew){failed = newvol;}else{let failed = "notfailed";} [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_failed` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `failed` [INFO] [stdout] --> src/main.rs:124:82 [INFO] [stdout] | [INFO] [stdout] 124 | if let Err(newvol) = player.set_volume(volnew){failed = newvol;}else{let failed = "notfailed";} [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_failed` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:123:13 [INFO] [stdout] | [INFO] [stdout] 123 | let mut failed; [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/main.rs:123:13 [INFO] [stdout] | [INFO] [stdout] 123 | let mut failed; [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: unused variable: `page` [INFO] [stdout] --> src/main.rs:176:17 [INFO] [stdout] | [INFO] [stdout] 176 | let mut page = "sink".to_string(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_page` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `page` [INFO] [stdout] --> src/main.rs:176:17 [INFO] [stdout] | [INFO] [stdout] 176 | let mut page = "sink".to_string(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_page` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:176:13 [INFO] [stdout] | [INFO] [stdout] 176 | let mut page = "sink".to_string(); [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:176:13 [INFO] [stdout] | [INFO] [stdout] 176 | let mut page = "sink".to_string(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `Xommander` should have a snake case name [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | Xommander: char, [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `xommander` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `Xommander` should have a snake case name [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | Xommander: char, [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `xommander` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.94s [INFO] running `Command { std: "docker" "inspect" "68a61050d406805f401ba5279af5c42411a828bb1bf2bc65a93b85bbfd97ed43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "68a61050d406805f401ba5279af5c42411a828bb1bf2bc65a93b85bbfd97ed43", kill_on_drop: false }` [INFO] [stdout] 68a61050d406805f401ba5279af5c42411a828bb1bf2bc65a93b85bbfd97ed43