[INFO] cloning repository https://github.com/puppypepper/rust_in_action [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/puppypepper/rust_in_action" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpuppypepper%2Frust_in_action", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpuppypepper%2Frust_in_action'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9fb4aac8d6e05805660be10fb562fb109474ecaa [INFO] checking puppypepper/rust_in_action against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpuppypepper%2Frust_in_action" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/puppypepper/rust_in_action [INFO] finished tweaking git repo https://github.com/puppypepper/rust_in_action [INFO] tweaked toml for git repo https://github.com/puppypepper/rust_in_action written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/puppypepper/rust_in_action on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/puppypepper/rust_in_action 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded parking_lot_core v0.6.3 [INFO] [stderr] Downloaded piston-viewport v1.0.2 [INFO] [stderr] Downloaded pistoncore-window v0.47.1 [INFO] [stderr] Downloaded pistoncore-input v1.0.1 [INFO] [stderr] Downloaded read_color v1.0.0 [INFO] [stderr] Downloaded pistoncore-event_loop v0.52.0 [INFO] [stderr] Downloaded piston2d-graphics v0.39.0 [INFO] [stderr] Downloaded piston v0.52.1 [INFO] [stderr] Downloaded glutin v0.26.0 [INFO] [stderr] Downloaded pistoncore-glutin_window v0.68.2 [INFO] [stderr] Downloaded piston2d-gfx_graphics v0.72.0 [INFO] [stderr] Downloaded vecmath v1.0.0 [INFO] [stderr] Downloaded cocoa v0.23.0 [INFO] [stderr] Downloaded piston-shaders_graphics2d v0.4.0 [INFO] [stderr] Downloaded syn v2.0.89 [INFO] [stderr] Downloaded interpolation v0.2.0 [INFO] [stderr] Downloaded winit v0.24.0 [INFO] [stderr] Downloaded piston-texture v0.8.0 [INFO] [stderr] Downloaded piston-float v1.0.1 [INFO] [stderr] Downloaded gl v0.13.0 [INFO] [stderr] Downloaded piston_window v0.117.0 [INFO] [stderr] Downloaded shader_version v0.7.0 [INFO] [stderr] Downloaded piston-graphics_api_version v1.0.1 [INFO] [stderr] Downloaded piston-gfx_texture v0.41.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 52a4a8d324a5ce2bd4c718cd977839b925696797e6d11a4543a525ef2c79ac13 [INFO] running `Command { std: "docker" "start" "-a" "52a4a8d324a5ce2bd4c718cd977839b925696797e6d11a4543a525ef2c79ac13", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "52a4a8d324a5ce2bd4c718cd977839b925696797e6d11a4543a525ef2c79ac13", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "52a4a8d324a5ce2bd4c718cd977839b925696797e6d11a4543a525ef2c79ac13", kill_on_drop: false }` [INFO] [stdout] 52a4a8d324a5ce2bd4c718cd977839b925696797e6d11a4543a525ef2c79ac13 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 17d9537f33056d8150ac6a865174e8844649a69ecf7627782b241d9c8ae18139 [INFO] running `Command { std: "docker" "start" "-a" "17d9537f33056d8150ac6a865174e8844649a69ecf7627782b241d9c8ae18139", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.162 [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Compiling proc-macro2 v1.0.92 [INFO] [stderr] Compiling unicode-ident v1.0.14 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Compiling pkg-config v0.3.31 [INFO] [stderr] Compiling xml-rs v0.8.25 [INFO] [stderr] Checking log v0.4.26 [INFO] [stderr] Checking either v1.14.0 [INFO] [stderr] Checking smallvec v1.14.0 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking once_cell v1.20.3 [INFO] [stderr] Compiling khronos_api v3.1.0 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Compiling serde v1.0.218 [INFO] [stderr] Checking percent-encoding v2.3.1 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking libloading v0.8.6 [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Checking crc32fast v1.4.2 [INFO] [stderr] Checking ttf-parser v0.15.2 [INFO] [stderr] Checking piston-float v1.0.1 [INFO] [stderr] Checking downcast-rs v1.2.1 [INFO] [stderr] Checking scoped-tls v1.0.1 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Checking dlib v0.5.2 [INFO] [stderr] Checking ab_glyph_rasterizer v0.1.8 [INFO] [stderr] Checking piston-viewport v1.0.2 [INFO] [stderr] Compiling nix v0.18.0 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Compiling parking_lot_core v0.8.6 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking piston-graphics_api_version v1.0.1 [INFO] [stderr] Checking draw_state v0.8.0 [INFO] [stderr] Compiling wayland-sys v0.28.6 [INFO] [stderr] Compiling x11-dl v2.21.0 [INFO] [stderr] Checking libloading v0.6.7 [INFO] [stderr] Checking instant v0.1.13 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Checking xdg v2.5.2 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking xcursor v0.3.8 [INFO] [stderr] Checking weezl v0.1.8 [INFO] [stderr] Checking cty v0.2.2 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking raw-window-handle v0.4.3 [INFO] [stderr] Checking gfx_core v0.9.2 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking dlib v0.4.2 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Checking deflate v0.8.6 [INFO] [stderr] Compiling gl_generator v0.14.0 [INFO] [stderr] Compiling gl_generator v0.13.1 [INFO] [stderr] Checking miniz_oxide v0.3.7 [INFO] [stderr] Checking color_quant v1.1.0 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Checking crossbeam-deque v0.8.6 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking lazycell v1.3.0 [INFO] [stderr] Checking gif v0.11.4 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling syn v2.0.89 [INFO] [stderr] Compiling wayland-scanner v0.28.6 [INFO] [stderr] Checking bytemuck v1.21.0 [INFO] [stderr] Checking piston-texture v0.8.0 [INFO] [stderr] Checking png v0.16.8 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking shader_version v0.7.0 [INFO] [stderr] Checking vecmath v1.0.0 [INFO] [stderr] Checking read_color v1.0.0 [INFO] [stderr] Checking interpolation v0.2.0 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking piston-shaders_graphics2d v0.4.0 [INFO] [stderr] Checking unicode-width v0.1.14 [INFO] [stderr] Checking regex-syntax v0.8.5 [INFO] [stderr] Compiling glutin_glx_sys v0.1.8 [INFO] [stderr] Compiling glutin_egl_sys v0.1.6 [INFO] [stderr] 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bytes v0.4.12 [INFO] [stderr] Checking owned_ttf_parser v0.15.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rusttype v0.9.3 [INFO] [stderr] Compiling icu_locid_transform_data v1.5.1 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking litemap v0.7.5 [INFO] [stderr] Checking andrew v0.3.1 [INFO] [stderr] Compiling wayland-client v0.28.6 [INFO] [stderr] Checking num-rational v0.4.2 [INFO] [stderr] Compiling wayland-protocols v0.28.6 [INFO] [stderr] Checking piston2d-graphics v0.39.0 [INFO] [stderr] Checking tinyvec_macros v0.1.1 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Compiling shlex v1.3.0 [INFO] [stderr] Compiling icu_properties_data v1.5.1 [INFO] [stderr] Compiling cc v1.2.16 [INFO] [stderr] Checking tinyvec v1.9.0 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Compiling parking_lot_core v0.6.3 [INFO] [stderr] Checking num v0.4.3 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Checking regex-automata v0.4.8 [INFO] [stderr] Compiling icu_normalizer_data v1.5.1 [INFO] [stderr] Compiling vcpkg v0.2.15 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking jpeg-decoder v0.1.22 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Checking tiff v0.6.1 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Checking unicode-bidi v0.3.18 [INFO] [stderr] Checking matches v0.1.10 [INFO] [stderr] Checking calloop v0.6.5 [INFO] [stderr] Checking unicode-normalization v0.1.24 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking write16 v1.0.0 [INFO] [stderr] Checking gfx_device_gl v0.16.2 [INFO] [stderr] Checking utf8_iter v1.0.4 [INFO] [stderr] Checking image v0.23.14 [INFO] [stderr] Checking utf16_iter v1.0.5 [INFO] [stderr] Compiling openssl-sys v0.9.107 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling object v0.36.7 [INFO] [stderr] Checking adler2 v2.0.0 [INFO] [stderr] Checking crossbeam-deque v0.7.4 [INFO] [stderr] Checking miniz_oxide v0.8.8 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking regex v1.11.1 [INFO] [stderr] Checking http v0.1.21 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling unicode-xid v0.2.6 [INFO] [stderr] Checking gimli v0.31.1 [INFO] [stderr] Checking wayland-commons v0.28.6 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Compiling openssl v0.10.72 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Compiling httparse v1.10.1 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking tokio-buf v0.1.1 [INFO] [stderr] Checking string v0.2.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling hyper v0.12.36 [INFO] [stderr] Checking form_urlencoded v1.2.1 [INFO] [stderr] Compiling native-tls v0.2.14 [INFO] [stderr] Checking rustc-demangle v0.1.24 [INFO] [stderr] Checking try-lock v0.2.5 [INFO] [stderr] Checking bitflags v2.9.0 [INFO] [stderr] Compiling serde_json v1.0.140 [INFO] [stderr] Compiling unicase v2.8.1 [INFO] [stderr] Checking want v0.2.0 [INFO] [stderr] Compiling synstructure v0.13.1 [INFO] [stderr] Compiling mime_guess v2.0.5 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking piston-gfx_texture v0.41.0 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking itoa v1.0.15 [INFO] [stderr] Checking openssl-probe v0.1.6 [INFO] [stderr] Checking ryu v1.0.20 [INFO] [stderr] Checking cookie v0.12.0 [INFO] [stderr] Checking piston2d-gfx_graphics v0.72.0 [INFO] [stderr] Checking try_from v0.3.2 [INFO] [stderr] Checking dtoa v0.4.8 [INFO] [stderr] Checking mime v0.3.17 [INFO] [stderr] Checking flate2 v1.1.1 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking encoding_rs v0.8.35 [INFO] [stderr] Checking grep-lite v0.1.0 (/opt/rustwide/workdir/grep-lite) [INFO] [stderr] Checking wayland-cursor v0.28.6 [INFO] [stderr] Checking wayland-egl v0.28.6 [INFO] [stderr] Checking rust_in_action v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking chapter-5 v0.1.0 (/opt/rustwide/workdir/chapter-5) [INFO] [stderr] Checking chapter-4 v0.1.0 (/opt/rustwide/workdir/chapter-4) [INFO] [stdout] warning: methods `current_opcode`, `run`, and `add_xy` are never used [INFO] [stdout] --> chapter-5/src/chip-8.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 6 | impl CPU { [INFO] [stdout] | -------- methods in this implementation [INFO] [stdout] 7 | fn current_opcode(&self) -> u16 { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 11 | fn run(&mut self) { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 27 | fn add_xy(&mut self, x: u8, y: u8) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sat_id` [INFO] [stdout] --> chapter-4/src/list4-1.rs:6:18 [INFO] [stdout] | [INFO] [stdout] 6 | fn check_message(sat_id: i64) -> StatusMessage { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sat_id` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> chapter-5/src/list5-2.rs:3:37 [INFO] [stdout] | [INFO] [stdout] 3 | let frankentype: u32 = unsafe { std::mem::transmute(a) }; [INFO] [stdout] | -------------------^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `f32::to_bits` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unnecessary_transmutes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> chapter-5/src/list5-2.rs:8:27 [INFO] [stdout] | [INFO] [stdout] 8 | let b: f32 = unsafe { std::mem::transmute(frankentype) }; [INFO] [stdout] | -------------------^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `f32::from_bits` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sat` [INFO] [stdout] --> chapter-4/src/list4-18.rs:11:17 [INFO] [stdout] | [INFO] [stdout] 11 | fn check_status(sat: CubeSat) -> StatusMessage { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sat` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `id` is never read [INFO] [stdout] --> chapter-4/src/list4-18.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | struct CubeSat { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 3 | id: u64, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `CubeSat` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> chapter-5/src/list5-2.rs:3:37 [INFO] [stdout] | [INFO] [stdout] 3 | let frankentype: u32 = unsafe { std::mem::transmute(a) }; [INFO] [stdout] | -------------------^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `f32::to_bits` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unnecessary_transmutes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> chapter-5/src/list5-2.rs:8:27 [INFO] [stdout] | [INFO] [stdout] 8 | let b: f32 = unsafe { std::mem::transmute(frankentype) }; [INFO] [stdout] | -------------------^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `f32::from_bits` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> chapter-4/src/list4-6.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 3 | struct Demo { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 4 | value: i32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sat` [INFO] [stdout] --> chapter-4/src/list4-18.rs:11:17 [INFO] [stdout] | [INFO] [stdout] 11 | fn check_status(sat: CubeSat) -> StatusMessage { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sat` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `id` is never read [INFO] [stdout] --> chapter-4/src/list4-18.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | struct CubeSat { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 3 | id: u64, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `CubeSat` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sat` [INFO] [stdout] --> chapter-4/src/list4-2.rs:10:18 [INFO] [stdout] | [INFO] [stdout] 10 | fn check_message(sat: &CubeSat) -> StatusMessage { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sat` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `id` is never read [INFO] [stdout] --> chapter-4/src/list4-2.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | struct CubeSat { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 2 | id: i64, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> chapter-4/src/list4-6.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 3 | struct Demo { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 4 | value: i32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `current_opcode`, `run`, and `add_xy` are never used [INFO] [stdout] --> chapter-5/src/chip-8.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 6 | impl CPU { [INFO] [stdout] | -------- methods in this implementation [INFO] [stdout] 7 | fn current_opcode(&self) -> u16 { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 11 | fn run(&mut self) { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 27 | fn add_xy(&mut self, x: u8, y: u8) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `exponent` [INFO] [stdout] --> chapter-5/src/list5-8.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let exponent = _exponent - 127; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_exponent` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking http-body v0.1.0 [INFO] [stdout] warning: unused variable: `sat` [INFO] [stdout] --> chapter-4/src/list4-2.rs:10:18 [INFO] [stdout] | [INFO] [stdout] 10 | fn check_message(sat: &CubeSat) -> StatusMessage { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_sat` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `id` is never read [INFO] [stdout] --> chapter-4/src/list4-2.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | struct CubeSat { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] 2 | id: i64, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking h2 v0.1.26 [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> chapter-5/src/list5-6.rs:5:27 [INFO] [stdout] | [INFO] [stdout] 5 | let a: i32 = unsafe { std::mem::transmute(big_endian) }; [INFO] [stdout] | -------------------^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `i32::from_ne_bytes` [INFO] [stdout] | [INFO] [stdout] = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order [INFO] [stdout] = note: `#[warn(unnecessary_transmutes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> chapter-5/src/list5-6.rs:6:27 [INFO] [stdout] | [INFO] [stdout] 6 | let b: i32 = unsafe { std::mem::transmute(little_endian) }; [INFO] [stdout] | -------------------^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `i32::from_ne_bytes` [INFO] [stdout] | [INFO] [stdout] = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `exponent` [INFO] [stdout] --> chapter-5/src/list5-8.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let exponent = _exponent - 127; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_exponent` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sat_id` [INFO] [stdout] --> chapter-4/src/list4-1.rs:6:18 [INFO] [stdout] | [INFO] [stdout] 6 | fn check_message(sat_id: i64) -> StatusMessage { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sat_id` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> chapter-5/src/list5-6.rs:5:27 [INFO] [stdout] | [INFO] [stdout] 5 | let a: i32 = unsafe { std::mem::transmute(big_endian) }; [INFO] [stdout] | -------------------^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `i32::from_ne_bytes` [INFO] [stdout] | [INFO] [stdout] = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order [INFO] [stdout] = note: `#[warn(unnecessary_transmutes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> chapter-5/src/list5-6.rs:6:27 [INFO] [stdout] | [INFO] [stdout] 6 | let b: i32 = unsafe { std::mem::transmute(little_endian) }; [INFO] [stdout] | -------------------^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `i32::from_ne_bytes` [INFO] [stdout] | [INFO] [stdout] = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking uuid v0.7.4 [INFO] [stderr] Checking addr2line v0.24.2 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling serde_derive v1.0.218 [INFO] [stderr] Compiling zerofrom-derive v0.1.6 [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 icu_provider_macros v1.5.0 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking zerofrom v0.1.6 [INFO] [stderr] Checking yoke v0.7.5 [INFO] [stderr] Checking zerovec v0.10.4 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking tinystr v0.7.6 [INFO] [stderr] Checking icu_collections v1.5.0 [INFO] [stderr] Checking icu_locid v1.5.0 [INFO] [stderr] Checking chapter-3 v0.1.0 (/opt/rustwide/workdir/chapter-3) [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> chapter-3/src/list3-2.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | let y = &x.data; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `z` [INFO] [stdout] --> chapter-3/src/list3-2.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | let z = &(x.data); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_z` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> chapter-3/src/list3-2.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | let v = x.data; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> chapter-3/src/list3-2.rs:51:9 [INFO] [stdout] | [INFO] [stdout] 51 | let t = x.data2; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> chapter-3/src/list3-2.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | let y = &x.data; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `z` [INFO] [stdout] --> chapter-3/src/list3-2.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | let z = &(x.data); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_z` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> chapter-3/src/list3-2.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | let v = x.data; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> chapter-3/src/list3-2.rs:51:9 [INFO] [stdout] | [INFO] [stdout] 51 | let t = x.data2; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> chapter-3/src/list3-1.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | fn open(f: &mut File) -> bool { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> chapter-3/src/list3-1.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 9 | fn close(f: &mut File) -> bool { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> chapter-3/src/list3-1.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | fn read(f: &mut File, save_to: &mut Vec) -> ! { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `save_to` [INFO] [stdout] --> chapter-3/src/list3-1.rs:13:23 [INFO] [stdout] | [INFO] [stdout] 13 | fn read(f: &mut File, save_to: &mut Vec) -> ! { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_save_to` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read` is never used [INFO] [stdout] --> chapter-3/src/list3-1.rs:13:4 [INFO] [stdout] | [INFO] [stdout] 13 | fn read(f: &mut File, save_to: &mut Vec) -> ! { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> chapter-3/src/list3-3.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | fn open(f: &mut File) -> bool { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> chapter-3/src/list3-3.rs:11:10 [INFO] [stdout] | [INFO] [stdout] 11 | fn close(f: &mut File) -> bool { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> chapter-3/src/list3-5.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | fn open(f: &mut File) -> bool { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> chapter-3/src/list3-5.rs:34:10 [INFO] [stdout] | [INFO] [stdout] 34 | fn close(f: &mut File) -> bool { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> chapter-3/src/list3-1.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | fn open(f: &mut File) -> bool { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> chapter-3/src/list3-1.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 9 | fn close(f: &mut File) -> bool { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> chapter-3/src/list3-1.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | fn read(f: &mut File, save_to: &mut Vec) -> ! { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `save_to` [INFO] [stdout] --> chapter-3/src/list3-1.rs:13:23 [INFO] [stdout] | [INFO] [stdout] 13 | fn read(f: &mut File, save_to: &mut Vec) -> ! { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_save_to` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read` is never used [INFO] [stdout] --> chapter-3/src/list3-1.rs:13:4 [INFO] [stdout] | [INFO] [stdout] 13 | fn read(f: &mut File, save_to: &mut Vec) -> ! { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `save_to` [INFO] [stdout] --> chapter-3/src/list3-12.rs:9:26 [INFO] [stdout] | [INFO] [stdout] 9 | fn read(self: &File, save_to: &mut Vec) -> Result { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_save_to` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> chapter-3/src/list3-5.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | fn open(f: &mut File) -> bool { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> chapter-3/src/list3-5.rs:34:10 [INFO] [stdout] | [INFO] [stdout] 34 | fn close(f: &mut File) -> bool { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> chapter-3/src/list3-3.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | fn open(f: &mut File) -> bool { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> chapter-3/src/list3-3.rs:11:10 [INFO] [stdout] | [INFO] [stdout] 11 | fn close(f: &mut File) -> bool { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking backtrace v0.3.74 [INFO] [stdout] warning: unused variable: `save_to` [INFO] [stdout] --> chapter-3/src/list3-12.rs:9:26 [INFO] [stdout] | [INFO] [stdout] 9 | fn read(self: &File, save_to: &mut Vec) -> Result { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_save_to` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking icu_provider v1.5.0 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking icu_locid_transform v1.5.0 [INFO] [stderr] Checking icu_properties v1.5.1 [INFO] [stderr] Checking hyper-tls v0.3.2 [INFO] [stderr] Checking pistoncore-input v1.0.1 [INFO] [stderr] Checking serde_urlencoded v0.5.5 [INFO] [stderr] Checking icu_normalizer v1.5.0 [INFO] [stderr] Checking pistoncore-window v0.47.1 [INFO] [stderr] Checking pistoncore-event_loop v0.52.0 [INFO] [stderr] Checking piston v0.52.1 [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 publicsuffix v1.5.6 [INFO] [stderr] Checking cookie_store v0.7.0 [INFO] [stderr] Checking reqwest v0.9.24 [INFO] [stderr] Checking chapter-8 v0.1.0 (/opt/rustwide/workdir/chapter-8) [INFO] [stderr] Checking smithay-client-toolkit v0.12.3 [INFO] [stderr] Checking winit v0.24.0 [INFO] [stderr] Checking glutin v0.26.0 [INFO] [stderr] Checking pistoncore-glutin_window v0.68.2 [INFO] [stderr] Checking piston_window v0.117.0 [INFO] [stderr] Checking chapter-6 v0.1.0 (/opt/rustwide/workdir/chapter-6) [INFO] [stdout] warning: unused variable: `width` [INFO] [stdout] --> chapter-6/src/list6-9.rs:2:10 [INFO] [stdout] | [INFO] [stdout] 2 | let (width, height) = (1280.0, 960.0); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_width` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `height` [INFO] [stdout] --> chapter-6/src/list6-9.rs:2:17 [INFO] [stdout] | [INFO] [stdout] 2 | let (width, height) = (1280.0, 960.0); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `width` [INFO] [stdout] --> chapter-6/src/list6-9.rs:2:10 [INFO] [stdout] | [INFO] [stdout] 2 | let (width, height) = (1280.0, 960.0); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_width` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `height` [INFO] [stdout] --> chapter-6/src/list6-9.rs:2:17 [INFO] [stdout] | [INFO] [stdout] 2 | let (width, height) = (1280.0, 960.0); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 07s [INFO] running `Command { std: "docker" "inspect" "17d9537f33056d8150ac6a865174e8844649a69ecf7627782b241d9c8ae18139", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "17d9537f33056d8150ac6a865174e8844649a69ecf7627782b241d9c8ae18139", kill_on_drop: false }` [INFO] [stdout] 17d9537f33056d8150ac6a865174e8844649a69ecf7627782b241d9c8ae18139