[INFO] cloning repository https://github.com/friguron/report_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/friguron/report_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffriguron%2Freport_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffriguron%2Freport_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 53b97714e2b1c227dcbf0150563e2845974254b4 [INFO] testing friguron/report_rust against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffriguron%2Freport_rust" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/friguron/report_rust on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/friguron/report_rust [INFO] finished tweaking git repo https://github.com/friguron/report_rust [INFO] tweaked toml for git repo https://github.com/friguron/report_rust written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/friguron/report_rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pixels v0.2.0 [INFO] [stderr] Downloaded winit_input_helper v0.6.0 [INFO] [stderr] Downloaded pollster v0.2.1 [INFO] [stderr] Downloaded spirv_cross v0.22.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a1a5a436bb27d572a26fb8d945fec8d74d37f2c4ad1aeaf8e2db6d204174172c [INFO] running `Command { std: "docker" "start" "-a" "a1a5a436bb27d572a26fb8d945fec8d74d37f2c4ad1aeaf8e2db6d204174172c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a1a5a436bb27d572a26fb8d945fec8d74d37f2c4ad1aeaf8e2db6d204174172c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a1a5a436bb27d572a26fb8d945fec8d74d37f2c4ad1aeaf8e2db6d204174172c", kill_on_drop: false }` [INFO] [stdout] a1a5a436bb27d572a26fb8d945fec8d74d37f2c4ad1aeaf8e2db6d204174172c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e7320c279aa184a03353300b916cf0accfcdcbb785d6438f33e18e3442dc40f4 [INFO] running `Command { std: "docker" "start" "-a" "e7320c279aa184a03353300b916cf0accfcdcbb785d6438f33e18e3442dc40f4", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.87 [INFO] [stderr] Compiling futures-core v0.3.13 [INFO] [stderr] Compiling wide v0.4.6 [INFO] [stderr] Compiling bytemuck v1.5.1 [INFO] [stderr] Compiling typed-arena v2.0.1 [INFO] [stderr] Compiling pollster v0.2.1 [INFO] [stderr] Compiling fxhash v0.2.1 [INFO] [stderr] Compiling stb_truetype v0.3.1 [INFO] [stderr] Compiling x11 v2.18.2 [INFO] [stderr] Compiling ash v0.31.0 [INFO] [stderr] Compiling wayland-sys v0.23.6 [INFO] [stderr] Compiling wgpu-types v0.6.1 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Compiling wayland-scanner v0.23.6 [INFO] [stderr] Compiling approx v0.3.2 [INFO] [stderr] Compiling ordered-float v1.1.1 [INFO] [stderr] Compiling line_drawing v0.7.0 [INFO] [stderr] Compiling futures-channel v0.3.13 [INFO] [stderr] Compiling rusttype v0.8.3 [INFO] [stderr] Compiling rusttype v0.7.9 [INFO] [stderr] Compiling ultraviolet v0.4.6 [INFO] [stderr] Compiling andrew v0.2.1 [INFO] [stderr] Compiling raw-window-handle v0.3.3 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling parking_lot_core v0.8.3 [INFO] [stderr] Compiling parking_lot_core v0.7.2 [INFO] [stderr] Compiling memmap v0.7.0 [INFO] [stderr] Compiling x11-dl v2.18.5 [INFO] [stderr] Compiling gfx-hal v0.6.0 [INFO] [stderr] Compiling wayland-client v0.23.6 [INFO] [stderr] Compiling wayland-protocols v0.23.6 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling parking_lot v0.11.1 [INFO] [stderr] Compiling parking_lot v0.10.2 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling calloop v0.4.4 [INFO] [stderr] Compiling wayland-commons v0.23.6 [INFO] [stderr] Compiling gfx-descriptor v0.2.0 [INFO] [stderr] Compiling gfx-backend-empty v0.6.0 [INFO] [stderr] Compiling gfx-memory v0.2.2 [INFO] [stderr] Compiling thiserror-impl v1.0.24 [INFO] [stderr] Compiling futures-macro v0.3.13 [INFO] [stderr] Compiling futures-util v0.3.13 [INFO] [stderr] Compiling thiserror v1.0.24 [INFO] [stderr] Compiling naga v0.2.0 [INFO] [stderr] Compiling gfx-backend-vulkan v0.6.5 [INFO] [stderr] Compiling wgpu-core v0.6.5 [INFO] [stderr] Compiling futures-executor v0.3.13 [INFO] [stderr] Compiling futures v0.3.13 [INFO] [stderr] Compiling wgpu v0.6.2 [INFO] [stderr] Compiling pixels v0.2.0 [INFO] [stderr] Compiling smithay-client-toolkit v0.6.6 [INFO] [stderr] Compiling winit v0.22.2 [INFO] [stderr] Compiling winit_input_helper v0.6.0 [INFO] [stderr] Compiling report_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: denote infinite loops with `loop { ... }` [INFO] [stdout] --> src/main.rs:194:13 [INFO] [stdout] | [INFO] [stdout] 194 | while true{ [INFO] [stdout] | ^^^^^^^^^^ help: use `loop` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(while_true)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Window` [INFO] [stdout] --> src/main.rs:234:46 [INFO] [stdout] | [INFO] [stdout] 234 | use winit::window::{WindowBuilder,CursorIcon,Window}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `LogicalPosition`, `PhysicalSize` [INFO] [stdout] --> src/main.rs:235:18 [INFO] [stdout] | [INFO] [stdout] 235 | use winit::dpi::{LogicalPosition, LogicalSize, PhysicalSize}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::ui_interface::Dimensions` [INFO] [stdout] --> src/main.rs:243:5 [INFO] [stdout] | [INFO] [stdout] 243 | use crate::ui_interface::Dimensions; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::ui_interface::Palette` [INFO] [stdout] --> src/main.rs:245:5 [INFO] [stdout] | [INFO] [stdout] 245 | use crate::ui_interface::Palette; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:415:15 [INFO] [stdout] | [INFO] [stdout] 415 | if(needs_redraw) [INFO] [stdout] | ^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> src/main.rs:307:13 [INFO] [stdout] | [INFO] [stdout] 307 | let mut x=0; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/main.rs:148:21 [INFO] [stdout] | [INFO] [stdout] 148 | for c in self.colors.len()..255 [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:440:22 [INFO] [stdout] | [INFO] [stdout] 440 | print!("D"); io::stdout().flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 11s [INFO] running `Command { std: "docker" "inspect" "e7320c279aa184a03353300b916cf0accfcdcbb785d6438f33e18e3442dc40f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e7320c279aa184a03353300b916cf0accfcdcbb785d6438f33e18e3442dc40f4", kill_on_drop: false }` [INFO] [stdout] e7320c279aa184a03353300b916cf0accfcdcbb785d6438f33e18e3442dc40f4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 997ebf2fbacefb9ca5b435da6615504b0c9d54613a1d918fa896bca75785eedc [INFO] running `Command { std: "docker" "start" "-a" "997ebf2fbacefb9ca5b435da6615504b0c9d54613a1d918fa896bca75785eedc", kill_on_drop: false }` [INFO] [stderr] Compiling report_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: denote infinite loops with `loop { ... }` [INFO] [stdout] --> src/main.rs:194:13 [INFO] [stdout] | [INFO] [stdout] 194 | while true{ [INFO] [stdout] | ^^^^^^^^^^ help: use `loop` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(while_true)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Window` [INFO] [stdout] --> src/main.rs:234:46 [INFO] [stdout] | [INFO] [stdout] 234 | use winit::window::{WindowBuilder,CursorIcon,Window}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `LogicalPosition`, `PhysicalSize` [INFO] [stdout] --> src/main.rs:235:18 [INFO] [stdout] | [INFO] [stdout] 235 | use winit::dpi::{LogicalPosition, LogicalSize, PhysicalSize}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::ui_interface::Dimensions` [INFO] [stdout] --> src/main.rs:243:5 [INFO] [stdout] | [INFO] [stdout] 243 | use crate::ui_interface::Dimensions; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::ui_interface::Palette` [INFO] [stdout] --> src/main.rs:245:5 [INFO] [stdout] | [INFO] [stdout] 245 | use crate::ui_interface::Palette; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:415:15 [INFO] [stdout] | [INFO] [stdout] 415 | if(needs_redraw) [INFO] [stdout] | ^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> src/main.rs:307:13 [INFO] [stdout] | [INFO] [stdout] 307 | let mut x=0; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/main.rs:148:21 [INFO] [stdout] | [INFO] [stdout] 148 | for c in self.colors.len()..255 [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:440:22 [INFO] [stdout] | [INFO] [stdout] 440 | print!("D"); io::stdout().flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.80s [INFO] running `Command { std: "docker" "inspect" "997ebf2fbacefb9ca5b435da6615504b0c9d54613a1d918fa896bca75785eedc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "997ebf2fbacefb9ca5b435da6615504b0c9d54613a1d918fa896bca75785eedc", kill_on_drop: false }` [INFO] [stdout] 997ebf2fbacefb9ca5b435da6615504b0c9d54613a1d918fa896bca75785eedc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] bf4577c95958ad92ad974ae1da102fdf2a7ac5d0b2757ebb49507104508a589f [INFO] running `Command { std: "docker" "start" "-a" "bf4577c95958ad92ad974ae1da102fdf2a7ac5d0b2757ebb49507104508a589f", 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] warning: denote infinite loops with `loop { ... }` [INFO] [stderr] --> src/main.rs:194:13 [INFO] [stderr] | [INFO] [stderr] 194 | while true{ [INFO] [stderr] | ^^^^^^^^^^ help: use `loop` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(while_true)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Window` [INFO] [stderr] --> src/main.rs:234:46 [INFO] [stderr] | [INFO] [stderr] 234 | use winit::window::{WindowBuilder,CursorIcon,Window}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `LogicalPosition`, `PhysicalSize` [INFO] [stderr] --> src/main.rs:235:18 [INFO] [stderr] | [INFO] [stderr] 235 | use winit::dpi::{LogicalPosition, LogicalSize, PhysicalSize}; [INFO] [stderr] | ^^^^^^^^^^^^^^^ ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::ui_interface::Dimensions` [INFO] [stderr] --> src/main.rs:243:5 [INFO] [stderr] | [INFO] [stderr] 243 | use crate::ui_interface::Dimensions; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::ui_interface::Palette` [INFO] [stderr] --> src/main.rs:245:5 [INFO] [stderr] | [INFO] [stderr] 245 | use crate::ui_interface::Palette; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:415:15 [INFO] [stderr] | [INFO] [stderr] 415 | if(needs_redraw) [INFO] [stderr] | ^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `x` is never read [INFO] [stderr] --> src/main.rs:307:13 [INFO] [stderr] | [INFO] [stderr] 307 | let mut x=0; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `c` [INFO] [stderr] --> src/main.rs:148:21 [INFO] [stderr] | [INFO] [stderr] 148 | for c in self.colors.len()..255 [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:440:22 [INFO] [stderr] | [INFO] [stderr] 440 | print!("D"); io::stdout().flush(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `report_rust` (bin "report_rust" test) generated 9 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.62s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/report_rust-08b3de4f5ed56fcd) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "bf4577c95958ad92ad974ae1da102fdf2a7ac5d0b2757ebb49507104508a589f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bf4577c95958ad92ad974ae1da102fdf2a7ac5d0b2757ebb49507104508a589f", kill_on_drop: false }` [INFO] [stdout] bf4577c95958ad92ad974ae1da102fdf2a7ac5d0b2757ebb49507104508a589f