[INFO] cloning repository https://github.com/tecywiz121/earworm [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tecywiz121/earworm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftecywiz121%2Fearworm", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftecywiz121%2Fearworm'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b9ff760462f2f1ee153815c66ab438240596fd53 [INFO] checking tecywiz121/earworm against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftecywiz121%2Fearworm" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tecywiz121/earworm on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tecywiz121/earworm [INFO] finished tweaking git repo https://github.com/tecywiz121/earworm [INFO] tweaked toml for git repo https://github.com/tecywiz121/earworm written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/tecywiz121/earworm 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded winapi-util v0.1.2 [INFO] [stderr] Downloaded quote v0.6.12 [INFO] [stderr] Downloaded snafu-derive v0.2.3 [INFO] [stderr] Downloaded snafu v0.2.3 [INFO] [stderr] Downloaded proc-macro2 v0.4.29 [INFO] [stderr] Downloaded coreaudio-sys v0.2.2 [INFO] [stderr] Downloaded cfg-if v0.1.7 [INFO] [stderr] Downloaded which v1.0.5 [INFO] [stderr] Downloaded adler32 v1.0.3 [INFO] [stderr] Downloaded constant_time_eq v0.1.3 [INFO] [stderr] Downloaded fragile v0.3.0 [INFO] [stderr] Downloaded build_const v0.2.1 [INFO] [stderr] Downloaded atk v0.6.0 [INFO] [stderr] Downloaded fnv v1.0.6 [INFO] [stderr] Downloaded gdk-pixbuf v0.6.0 [INFO] [stderr] Downloaded atk-sys v0.8.0 [INFO] [stderr] Downloaded gdk v0.10.0 [INFO] [stderr] Downloaded cairo-sys-rs v0.8.0 [INFO] [stderr] Downloaded gdk-sys v0.8.0 [INFO] [stderr] Downloaded cairo-rs v0.6.0 [INFO] [stderr] Downloaded miniz-sys v0.1.11 [INFO] [stderr] Downloaded gio v0.6.0 [INFO] [stderr] Downloaded gtk-sys v0.8.0 [INFO] 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v0.2.3 [INFO] [stderr] Downloaded libloading v0.4.3 [INFO] [stderr] Downloaded ansi_term v0.11.0 [INFO] [stderr] Downloaded memchr v2.2.0 [INFO] [stderr] Downloaded ogg v0.7.0 [INFO] [stderr] Downloaded minimp3-sys v0.3.1 [INFO] [stderr] Downloaded slice-deque v0.1.16 [INFO] [stderr] Downloaded num-traits v0.2.6 [INFO] [stderr] Downloaded slog v2.4.1 [INFO] [stderr] Downloaded byteorder v1.3.1 [INFO] [stderr] Downloaded arrayvec v0.4.10 [INFO] [stderr] Downloaded blake2-rfc v0.2.18 [INFO] [stderr] Downloaded term v0.5.2 [INFO] [stderr] Downloaded cc v1.0.35 [INFO] [stderr] Downloaded backtrace v0.3.15 [INFO] [stderr] Downloaded gdk-pixbuf-sys v0.8.0 [INFO] [stderr] Downloaded glib-sys v0.8.0 [INFO] [stderr] Downloaded gobject-sys v0.8.0 [INFO] [stderr] Downloaded darling_core v0.8.6 [INFO] [stderr] Downloaded darling_macro v0.8.6 [INFO] [stderr] Downloaded darling v0.8.6 [INFO] [stderr] Downloaded crc32fast v1.2.0 [INFO] [stderr] Downloaded crc v1.8.1 [INFO] [stderr] Downloaded clang-sys v0.21.2 [INFO] [stderr] Downloaded log v0.4.6 [INFO] [stderr] Downloaded proc-macro2 v0.2.3 [INFO] [stderr] Downloaded utf8-ranges v1.0.2 [INFO] [stderr] Downloaded isatty v0.1.9 [INFO] [stderr] Downloaded synstructure v0.10.1 [INFO] [stderr] Downloaded redox_users v0.3.0 [INFO] [stderr] Downloaded autocfg v0.1.2 [INFO] [stderr] Downloaded derivative v1.0.2 [INFO] [stderr] Downloaded ident_case v1.0.1 [INFO] [stderr] Downloaded redox_termios v0.1.1 [INFO] [stderr] Downloaded smallvec v0.6.9 [INFO] [stderr] Downloaded pango-sys v0.8.0 [INFO] [stderr] Downloaded numtoa v0.1.0 [INFO] [stderr] Downloaded termion v1.5.2 [INFO] [stderr] Downloaded atty v0.2.11 [INFO] [stderr] Downloaded quote v0.4.2 [INFO] [stderr] Downloaded ucd-util v0.1.3 [INFO] [stderr] Downloaded rustc-demangle v0.1.14 [INFO] [stderr] Downloaded rand_jitter v0.1.3 [INFO] [stderr] Downloaded derive_builder_core v0.4.1 [INFO] [stderr] Downloaded minimp3 v0.3.2 [INFO] [stderr] Downloaded claxon v0.3.2 [INFO] [stderr] Downloaded derive_builder v0.7.1 [INFO] [stderr] Downloaded rodio v0.8.1 [INFO] [stderr] Downloaded pkg-config v0.3.14 [INFO] [stderr] Downloaded glob v0.2.11 [INFO] [stderr] Downloaded unicode-width v0.1.5 [INFO] [stderr] Downloaded vec_map v0.8.1 [INFO] [stderr] Downloaded env_logger v0.4.3 [INFO] [stderr] Downloaded log v0.3.9 [INFO] [stderr] Downloaded num-integer v0.1.39 [INFO] [stderr] Downloaded redox_syscall v0.1.54 [INFO] [stderr] Downloaded dirs v1.0.5 [INFO] [stderr] Downloaded slog-term v2.4.0 [INFO] [stderr] Downloaded failure_derive v0.1.5 [INFO] [stderr] Downloaded nodrop v0.1.13 [INFO] [stderr] Downloaded walkdir v2.2.7 [INFO] [stderr] Downloaded same-file v1.0.4 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] abbed4b246e5afcf65141ded57f2edd9aeb9deba0f506101bb5e9cd0b55f5968 [INFO] running `Command { std: "docker" "start" "-a" "abbed4b246e5afcf65141ded57f2edd9aeb9deba0f506101bb5e9cd0b55f5968", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "abbed4b246e5afcf65141ded57f2edd9aeb9deba0f506101bb5e9cd0b55f5968", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "abbed4b246e5afcf65141ded57f2edd9aeb9deba0f506101bb5e9cd0b55f5968", kill_on_drop: false }` [INFO] [stdout] abbed4b246e5afcf65141ded57f2edd9aeb9deba0f506101bb5e9cd0b55f5968 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2b6b4a4b5b1b74d4bea530c815ca841d345c1b5688655eb6c42020f35ee47128 [INFO] running `Command { std: "docker" "start" "-a" "2b6b4a4b5b1b74d4bea530c815ca841d345c1b5688655eb6c42020f35ee47128", kill_on_drop: false }` [INFO] [stderr] Compiling pkg-config v0.3.14 [INFO] [stderr] Compiling libc v0.2.51 [INFO] [stderr] Compiling cc v1.0.35 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Compiling proc-macro2 v0.4.29 [INFO] [stderr] Compiling syn v0.15.33 [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Checking encoding_index_tests v0.1.4 [INFO] [stderr] Checking cfg-if v0.1.7 [INFO] [stderr] Compiling fnv v1.0.6 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling gio v0.6.0 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling pango v0.6.0 [INFO] [stderr] Compiling gdk-pixbuf v0.6.0 [INFO] [stderr] Compiling cairo-rs v0.6.0 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Checking fragile v0.3.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Compiling gdk v0.10.0 [INFO] [stderr] Compiling slog v2.4.1 [INFO] [stderr] Compiling derive_builder v0.7.1 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling backtrace v0.3.15 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Compiling atk v0.6.0 [INFO] [stderr] Compiling regex v1.1.6 [INFO] [stderr] Checking regex-syntax v0.6.6 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Compiling glib-sys v0.8.0 [INFO] [stderr] Compiling gobject-sys v0.8.0 [INFO] [stderr] Compiling gio-sys v0.8.0 [INFO] [stderr] Compiling pango-sys v0.8.0 [INFO] [stderr] Compiling gdk-pixbuf-sys v0.8.0 [INFO] [stderr] Compiling cairo-sys-rs v0.8.0 [INFO] [stderr] Compiling atk-sys v0.8.0 [INFO] [stderr] Compiling gdk-sys v0.8.0 [INFO] [stderr] Compiling alsa-sys v0.1.2 [INFO] [stderr] Compiling gtk-sys v0.8.0 [INFO] [stderr] Checking aho-corasick v0.7.3 [INFO] [stderr] Checking ogg v0.7.0 [INFO] [stderr] Checking encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Checking encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Checking slice-deque v0.1.16 [INFO] [stderr] Checking encoding-index-korean v1.20141219.5 [INFO] [stderr] Checking encoding-index-japanese v1.20141219.5 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking smallvec v0.6.9 [INFO] [stderr] Checking approx v0.1.1 [INFO] [stderr] Compiling miniz-sys v0.1.11 [INFO] [stderr] Compiling minimp3-sys v0.3.1 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Compiling gtk v0.6.0 [INFO] [stderr] Checking rustc-demangle v0.1.14 [INFO] [stderr] Checking cpal v0.8.2 [INFO] [stderr] Checking term v0.5.2 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking lewton v0.9.4 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking isatty v0.1.9 [INFO] [stderr] Checking cgmath v0.14.1 [INFO] [stderr] Checking encoding v0.2.33 [INFO] [stderr] Checking glib v0.7.1 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_jitter v0.1.3 [INFO] [stderr] Checking same-file v1.0.4 [INFO] [stderr] Checking claxon v0.3.2 [INFO] [stderr] Checking hound v3.4.0 [INFO] [stderr] Checking walkdir v2.2.7 [INFO] [stderr] Checking minimp3 v0.3.2 [INFO] [stderr] Checking flate2 v1.0.7 [INFO] [stderr] Checking slog-term v2.4.0 [INFO] [stderr] Checking rodio v0.8.1 [INFO] [stderr] Compiling darling_core v0.8.6 [INFO] [stderr] Compiling snafu-derive v0.2.3 [INFO] [stderr] Compiling derivative v1.0.2 [INFO] [stderr] Checking snafu v0.2.3 [INFO] [stderr] Compiling darling_macro v0.8.6 [INFO] [stderr] Compiling darling v0.8.6 [INFO] [stderr] Compiling derive_builder_core v0.4.1 [INFO] [stderr] Checking id3 v0.3.0 [INFO] [stderr] Checking earworm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `snafu::Snafu` [INFO] [stdout] --> src/game.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use snafu::Snafu; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `DirEntry` [INFO] [stdout] --> src/game.rs:15:15 [INFO] [stdout] | [INFO] [stdout] 15 | use walkdir::{DirEntry, WalkDir}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Duration` [INFO] [stdout] --> src/main.rs:29:17 [INFO] [stdout] | [INFO] [stdout] 29 | use std::time::{Duration, Instant}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `snafu::Snafu` [INFO] [stdout] --> src/game.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use snafu::Snafu; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `DirEntry` [INFO] [stdout] --> src/game.rs:15:15 [INFO] [stdout] | [INFO] [stdout] 15 | use walkdir::{DirEntry, WalkDir}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Duration` [INFO] [stdout] --> src/main.rs:29:17 [INFO] [stdout] | [INFO] [stdout] 29 | use std::time::{Duration, Instant}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `logger` [INFO] [stdout] --> src/media.rs:93:37 [INFO] [stdout] | [INFO] [stdout] 93 | fn try_from_file(path: PathBuf, logger: &Logger) -> Result { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_logger` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `logger` [INFO] [stdout] --> src/media.rs:93:37 [INFO] [stdout] | [INFO] [stdout] 93 | fn try_from_file(path: PathBuf, logger: &Logger) -> Result { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_logger` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `image` is never read [INFO] [stdout] --> src/main.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 32 | struct QuizButton { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 33 | button: gtk::Button, [INFO] [stdout] 34 | image: gtk::Image, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `QuizButton` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `mime_type` and `data` are never used [INFO] [stdout] --> src/media.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 27 | impl Image { [INFO] [stdout] | ---------- methods in this implementation [INFO] [stdout] 28 | pub fn mime_type(&self) -> &str { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 32 | pub fn data(&self) -> &[u8] { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `cover` is never used [INFO] [stdout] --> src/media.rs:65:12 [INFO] [stdout] | [INFO] [stdout] 48 | impl Track { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 65 | pub fn cover(&self) -> Option<&Image> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `image` is never read [INFO] [stdout] --> src/main.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 32 | struct QuizButton { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 33 | button: gtk::Button, [INFO] [stdout] 34 | image: gtk::Image, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `QuizButton` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `mime_type` and `data` are never used [INFO] [stdout] --> src/media.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 27 | impl Image { [INFO] [stdout] | ---------- methods in this implementation [INFO] [stdout] 28 | pub fn mime_type(&self) -> &str { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 32 | pub fn data(&self) -> &[u8] { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `cover` is never used [INFO] [stdout] --> src/media.rs:65:12 [INFO] [stdout] | [INFO] [stdout] 48 | impl Track { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 65 | pub fn cover(&self) -> Option<&Image> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/main.rs:294:25 [INFO] [stdout] | [INFO] [stdout] 294 | std::mem::drop(round); [INFO] [stdout] | ^^^^^^^^^^^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut Round` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 294 - std::mem::drop(round); [INFO] [stdout] 294 + let _ = round; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/main.rs:294:25 [INFO] [stdout] | [INFO] [stdout] 294 | std::mem::drop(round); [INFO] [stdout] | ^^^^^^^^^^^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut Round` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 294 - std::mem::drop(round); [INFO] [stdout] 294 + let _ = round; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.26s [INFO] running `Command { std: "docker" "inspect" "2b6b4a4b5b1b74d4bea530c815ca841d345c1b5688655eb6c42020f35ee47128", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b6b4a4b5b1b74d4bea530c815ca841d345c1b5688655eb6c42020f35ee47128", kill_on_drop: false }` [INFO] [stdout] 2b6b4a4b5b1b74d4bea530c815ca841d345c1b5688655eb6c42020f35ee47128