[INFO] cloning repository https://github.com/Aurailus/Myxer [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Aurailus/Myxer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAurailus%2FMyxer", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAurailus%2FMyxer'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ca20cebf626378b48d9c8a8794c474985f897d64 [INFO] testing Aurailus/Myxer against master#562dee4820c458d823175268e41601d4c060588a for pr-154210 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAurailus%2FMyxer" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Aurailus/Myxer [INFO] finished tweaking git repo https://github.com/Aurailus/Myxer [INFO] tweaked toml for git repo https://github.com/Aurailus/Myxer written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Aurailus/Myxer on toolchain 562dee4820c458d823175268e41601d4c060588a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/Aurailus/Myxer 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded system-deps v1.3.2 [INFO] [stderr] Downloaded slice_as_array v1.1.0 [INFO] [stderr] Downloaded proc-macro2 v1.0.29 [INFO] [stderr] Downloaded thiserror-impl v1.0.29 [INFO] [stderr] Downloaded thiserror v1.0.29 [INFO] [stderr] Downloaded futures-sink v0.3.17 [INFO] [stderr] Downloaded strum v0.18.0 [INFO] [stderr] Downloaded strum_macros v0.18.0 [INFO] [stderr] Downloaded futures-task v0.3.17 [INFO] [stderr] Downloaded pango-sys v0.10.0 [INFO] [stderr] Downloaded cairo-sys-rs v0.10.0 [INFO] [stderr] Downloaded futures-io v0.3.17 [INFO] [stderr] Downloaded gdk-pixbuf v0.9.0 [INFO] [stderr] Downloaded futures-core v0.3.17 [INFO] [stderr] Downloaded gobject-sys v0.10.0 [INFO] [stderr] Downloaded colorsys v0.6.4 [INFO] [stderr] Downloaded cc v1.0.70 [INFO] [stderr] Downloaded gdk v0.13.2 [INFO] [stderr] Downloaded gdk-sys v0.10.0 [INFO] [stderr] Downloaded gio-sys v0.10.1 [INFO] [stderr] Downloaded cairo-rs v0.9.1 [INFO] [stderr] Downloaded gtk-sys v0.10.0 [INFO] 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"/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 30acba050e0c953ca2f7aa72dc3a4733919c0b7c9e37e31e1a571f71d395eb2b [INFO] running `Command { std: "docker" "start" "-a" "30acba050e0c953ca2f7aa72dc3a4733919c0b7c9e37e31e1a571f71d395eb2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "30acba050e0c953ca2f7aa72dc3a4733919c0b7c9e37e31e1a571f71d395eb2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "30acba050e0c953ca2f7aa72dc3a4733919c0b7c9e37e31e1a571f71d395eb2b", kill_on_drop: false }` [INFO] [stdout] 30acba050e0c953ca2f7aa72dc3a4733919c0b7c9e37e31e1a571f71d395eb2b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6f263af1dcd2087e4a32fde47acfd38b0642714f8fa188ce7f64cf0e754cbea6 [INFO] running `Command { std: "docker" "start" "-a" "6f263af1dcd2087e4a32fde47acfd38b0642714f8fa188ce7f64cf0e754cbea6", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.29 [INFO] [stderr] Compiling syn v1.0.76 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling strum v0.18.0 [INFO] [stderr] Compiling version-compare v0.0.10 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling futures-core v0.3.17 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling futures-macro v0.3.17 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling futures-channel v0.3.17 [INFO] [stderr] Compiling futures-task v0.3.17 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling futures-util v0.3.17 [INFO] [stderr] Compiling futures-sink v0.3.17 [INFO] [stderr] Compiling slab v0.4.4 [INFO] [stderr] Compiling futures-io v0.3.17 [INFO] [stderr] Compiling anyhow v1.0.44 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling gio v0.9.1 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling gdk-pixbuf v0.9.0 [INFO] [stderr] Compiling pango v0.9.1 [INFO] [stderr] Compiling cairo-rs v0.9.1 [INFO] [stderr] Compiling libpulse-sys v1.19.2 [INFO] [stderr] Compiling gdk v0.13.2 [INFO] [stderr] Compiling atk v0.9.0 [INFO] [stderr] Compiling gtk v0.9.2 [INFO] [stderr] Compiling colorsys v0.6.4 [INFO] [stderr] Compiling slice_as_array v1.1.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling toml v0.5.8 [INFO] [stderr] Compiling proc-macro-crate v0.1.5 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling thiserror-impl v1.0.29 [INFO] [stderr] Compiling strum_macros v0.18.0 [INFO] [stderr] Compiling glib-macros v0.10.1 [INFO] [stderr] Compiling num-derive v0.3.3 [INFO] [stderr] Compiling thiserror v1.0.29 [INFO] [stderr] Compiling system-deps v1.3.2 [INFO] [stderr] Compiling glib-sys v0.10.1 [INFO] [stderr] Compiling gobject-sys v0.10.0 [INFO] [stderr] Compiling gio-sys v0.10.1 [INFO] [stderr] Compiling gdk-pixbuf-sys v0.10.0 [INFO] [stderr] Compiling pango-sys v0.10.0 [INFO] [stderr] Compiling cairo-sys-rs v0.10.0 [INFO] [stderr] Compiling atk-sys v0.10.0 [INFO] [stderr] Compiling gdk-sys v0.10.0 [INFO] [stderr] Compiling gtk-sys v0.10.0 [INFO] [stderr] Compiling libpulse-binding v2.25.0 [INFO] [stderr] Compiling futures-executor v0.3.17 [INFO] [stderr] Compiling glib v0.10.3 [INFO] [stderr] Compiling futures v0.3.17 [INFO] [stderr] Compiling myxer v1.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/pulse.rs:356:4 [INFO] [stdout] | [INFO] [stdout] 356 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/pulse.rs:374:4 [INFO] [stdout] | [INFO] [stdout] 374 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/pulse.rs:392:4 [INFO] [stdout] | [INFO] [stdout] 392 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/pulse.rs:412:4 [INFO] [stdout] | [INFO] [stdout] 412 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/pulse.rs:432:4 [INFO] [stdout] | [INFO] [stdout] 432 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/meter/base_meter.rs:146:17 [INFO] [stdout] | [INFO] [stdout] 146 | let scale = Meter::build_scale(); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 146 | let scale = ::build_scale(); [INFO] [stdout] | ++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/meter/base_meter.rs:176:16 [INFO] [stdout] | [INFO] [stdout] 176 | let scale = Meter::build_scale(); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 176 | let scale = ::build_scale(); [INFO] [stdout] | ++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/meter/sink_meter.rs:40:17 [INFO] [stdout] | [INFO] [stdout] 40 | let widgets = Meter::build_meter(); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 40 | let widgets = ::build_meter(); [INFO] [stdout] | ++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/meter/sink_meter.rs:59:16 [INFO] [stdout] | [INFO] [stdout] 59 | let scales = Meter::build_scales(&self.pulse, &self.data, self.split); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 59 | let scales = ::build_scales(&self.pulse, &self.data, self.split); [INFO] [stdout] | ++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/meter/source_meter.rs:40:17 [INFO] [stdout] | [INFO] [stdout] 40 | let widgets = Meter::build_meter(); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 40 | let widgets = ::build_meter(); [INFO] [stdout] | ++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/meter/source_meter.rs:60:16 [INFO] [stdout] | [INFO] [stdout] 60 | let scales = Meter::build_scales(&self.pulse, &self.data, self.split); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 60 | let scales = ::build_scales(&self.pulse, &self.data, self.split); [INFO] [stdout] | ++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/meter/stream_meter.rs:39:17 [INFO] [stdout] | [INFO] [stdout] 39 | let widgets = Meter::build_meter(); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 39 | let widgets = ::build_meter(); [INFO] [stdout] | ++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/meter/stream_meter.rs:58:16 [INFO] [stdout] | [INFO] [stdout] 58 | let scales = Meter::build_scales(&self.pulse, &self.data, self.split); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 58 | let scales = ::build_scales(&self.pulse, &self.data, self.split); [INFO] [stdout] | ++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `icon` is never read [INFO] [stdout] --> src/card.rs:23:6 [INFO] [stdout] | [INFO] [stdout] 19 | pub struct CardData { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 23 | pub icon: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CardData` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `select` is never read [INFO] [stdout] --> src/meter/base_meter.rs:56:6 [INFO] [stdout] | [INFO] [stdout] 51 | pub struct MeterWidgets { [INFO] [stdout] | ------------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 56 | pub select: gtk::Button, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get_index` is never used [INFO] [stdout] --> src/meter/base_meter.rs:78:5 [INFO] [stdout] | [INFO] [stdout] 73 | pub trait Meter { [INFO] [stdout] | ----- method in this trait [INFO] [stdout] ... [INFO] [stdout] 78 | fn get_index(&self) -> u32; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `monitor_index` is never read [INFO] [stdout] --> src/pulse.rs:80:6 [INFO] [stdout] | [INFO] [stdout] 75 | pub struct StreamData { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 80 | pub monitor_index: u32, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/shared.rs:39:16 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn borrow(&self) -> Ref { [INFO] [stdout] | ^^^^^ ^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 39 | pub fn borrow(&self) -> Ref<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/shared.rs:48:20 [INFO] [stdout] | [INFO] [stdout] 48 | pub fn borrow_mut(&self) -> RefMut { [INFO] [stdout] | ^^^^^ ^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 48 | pub fn borrow_mut(&self) -> RefMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing [INFO] [stdout] --> src/shared.rs:84:23 [INFO] [stdout] | [INFO] [stdout] 84 | write!(f, "{}", self.deref()) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `shared::Shared` does not implement `Deref`, so calling `deref` on `&shared::Shared` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 84 - write!(f, "{}", self.deref()) [INFO] [stdout] 84 + write!(f, "{}", self) [INFO] [stdout] | [INFO] [stdout] help: if you meant to clone `shared::Shared`, implement `Clone` for it [INFO] [stdout] | [INFO] [stdout] 18 + #[derive(Clone)] [INFO] [stdout] 19 | pub struct Shared { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing [INFO] [stdout] --> src/shared.rs:91:25 [INFO] [stdout] | [INFO] [stdout] 91 | write!(f, "{:?}", self.deref()) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `shared::Shared` does not implement `Deref`, so calling `deref` on `&shared::Shared` copies the reference, which does not do anything and can be removed [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 91 - write!(f, "{:?}", self.deref()) [INFO] [stdout] 91 + write!(f, "{:?}", self) [INFO] [stdout] | [INFO] [stdout] help: if you meant to clone `shared::Shared`, implement `Clone` for it [INFO] [stdout] | [INFO] [stdout] 18 + #[derive(Clone)] [INFO] [stdout] 19 | pub struct Shared { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 06s [INFO] running `Command { std: "docker" "inspect" "6f263af1dcd2087e4a32fde47acfd38b0642714f8fa188ce7f64cf0e754cbea6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f263af1dcd2087e4a32fde47acfd38b0642714f8fa188ce7f64cf0e754cbea6", kill_on_drop: false }` [INFO] [stdout] 6f263af1dcd2087e4a32fde47acfd38b0642714f8fa188ce7f64cf0e754cbea6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c27b8735107907342e8c70917dea1428447e607c842aeefd25a14351bf6a8aaf [INFO] running `Command { std: "docker" "start" "-a" "c27b8735107907342e8c70917dea1428447e607c842aeefd25a14351bf6a8aaf", kill_on_drop: false }` [INFO] [stderr] Compiling myxer v1.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/pulse.rs:356:4 [INFO] [stdout] | [INFO] [stdout] 356 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/pulse.rs:374:4 [INFO] [stdout] | [INFO] [stdout] 374 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/pulse.rs:392:4 [INFO] [stdout] | [INFO] [stdout] 392 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/pulse.rs:412:4 [INFO] [stdout] | [INFO] [stdout] 412 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/pulse.rs:432:4 [INFO] [stdout] | [INFO] [stdout] 432 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/meter/base_meter.rs:146:17 [INFO] [stdout] | [INFO] [stdout] 146 | let scale = Meter::build_scale(); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 146 | let scale = ::build_scale(); [INFO] [stdout] | ++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/meter/base_meter.rs:176:16 [INFO] [stdout] | [INFO] [stdout] 176 | let scale = Meter::build_scale(); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 176 | let scale = ::build_scale(); [INFO] [stdout] | ++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/meter/sink_meter.rs:40:17 [INFO] [stdout] | [INFO] [stdout] 40 | let widgets = Meter::build_meter(); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 40 | let widgets = ::build_meter(); [INFO] [stdout] | ++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/meter/sink_meter.rs:59:16 [INFO] [stdout] | [INFO] [stdout] 59 | let scales = Meter::build_scales(&self.pulse, &self.data, self.split); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 59 | let scales = ::build_scales(&self.pulse, &self.data, self.split); [INFO] [stdout] | ++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/meter/source_meter.rs:40:17 [INFO] [stdout] | [INFO] [stdout] 40 | let widgets = Meter::build_meter(); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 40 | let widgets = ::build_meter(); [INFO] [stdout] | ++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/meter/source_meter.rs:60:16 [INFO] [stdout] | [INFO] [stdout] 60 | let scales = Meter::build_scales(&self.pulse, &self.data, self.split); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 60 | let scales = ::build_scales(&self.pulse, &self.data, self.split); [INFO] [stdout] | ++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/meter/stream_meter.rs:39:17 [INFO] [stdout] | [INFO] [stdout] 39 | let widgets = Meter::build_meter(); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 39 | let widgets = ::build_meter(); [INFO] [stdout] | ++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/meter/stream_meter.rs:58:16 [INFO] [stdout] | [INFO] [stdout] 58 | let scales = Meter::build_scales(&self.pulse, &self.data, self.split); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 58 | let scales = ::build_scales(&self.pulse, &self.data, self.split); [INFO] [stdout] | ++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `icon` is never read [INFO] [stdout] --> src/card.rs:23:6 [INFO] [stdout] | [INFO] [stdout] 19 | pub struct CardData { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 23 | pub icon: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CardData` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `select` is never read [INFO] [stdout] --> src/meter/base_meter.rs:56:6 [INFO] [stdout] | [INFO] [stdout] 51 | pub struct MeterWidgets { [INFO] [stdout] | ------------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 56 | pub select: gtk::Button, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get_index` is never used [INFO] [stdout] --> src/meter/base_meter.rs:78:5 [INFO] [stdout] | [INFO] [stdout] 73 | pub trait Meter { [INFO] [stdout] | ----- method in this trait [INFO] [stdout] ... [INFO] [stdout] 78 | fn get_index(&self) -> u32; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `monitor_index` is never read [INFO] [stdout] --> src/pulse.rs:80:6 [INFO] [stdout] | [INFO] [stdout] 75 | pub struct StreamData { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 80 | pub monitor_index: u32, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/shared.rs:39:16 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn borrow(&self) -> Ref { [INFO] [stdout] | ^^^^^ ^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 39 | pub fn borrow(&self) -> Ref<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/shared.rs:48:20 [INFO] [stdout] | [INFO] [stdout] 48 | pub fn borrow_mut(&self) -> RefMut { [INFO] [stdout] | ^^^^^ ^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 48 | pub fn borrow_mut(&self) -> RefMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing [INFO] [stdout] --> src/shared.rs:84:23 [INFO] [stdout] | [INFO] [stdout] 84 | write!(f, "{}", self.deref()) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `shared::Shared` does not implement `Deref`, so calling `deref` on `&shared::Shared` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 84 - write!(f, "{}", self.deref()) [INFO] [stdout] 84 + write!(f, "{}", self) [INFO] [stdout] | [INFO] [stdout] help: if you meant to clone `shared::Shared`, implement `Clone` for it [INFO] [stdout] | [INFO] [stdout] 18 + #[derive(Clone)] [INFO] [stdout] 19 | pub struct Shared { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing [INFO] [stdout] --> src/shared.rs:91:25 [INFO] [stdout] | [INFO] [stdout] 91 | write!(f, "{:?}", self.deref()) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `shared::Shared` does not implement `Deref`, so calling `deref` on `&shared::Shared` copies the reference, which does not do anything and can be removed [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 91 - write!(f, "{:?}", self.deref()) [INFO] [stdout] 91 + write!(f, "{:?}", self) [INFO] [stdout] | [INFO] [stdout] help: if you meant to clone `shared::Shared`, implement `Clone` for it [INFO] [stdout] | [INFO] [stdout] 18 + #[derive(Clone)] [INFO] [stdout] 19 | pub struct Shared { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.09s [INFO] running `Command { std: "docker" "inspect" "c27b8735107907342e8c70917dea1428447e607c842aeefd25a14351bf6a8aaf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c27b8735107907342e8c70917dea1428447e607c842aeefd25a14351bf6a8aaf", kill_on_drop: false }` [INFO] [stdout] c27b8735107907342e8c70917dea1428447e607c842aeefd25a14351bf6a8aaf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e0cc532b4cd71faa4419993038b73cb2ee7220166f434f2e295abb591cd7257c [INFO] running `Command { std: "docker" "start" "-a" "e0cc532b4cd71faa4419993038b73cb2ee7220166f434f2e295abb591cd7257c", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/pulse.rs:356:4 [INFO] [stderr] | [INFO] [stderr] 356 | }; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/pulse.rs:374:4 [INFO] [stderr] | [INFO] [stderr] 374 | }; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/pulse.rs:392:4 [INFO] [stderr] | [INFO] [stderr] 392 | }; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/pulse.rs:412:4 [INFO] [stderr] | [INFO] [stderr] 412 | }; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/pulse.rs:432:4 [INFO] [stderr] | [INFO] [stderr] 432 | }; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/meter/base_meter.rs:146:17 [INFO] [stderr] | [INFO] [stderr] 146 | let scale = Meter::build_scale(); [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 146 | let scale = ::build_scale(); [INFO] [stderr] | ++++ + [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/meter/base_meter.rs:176:16 [INFO] [stderr] | [INFO] [stderr] 176 | let scale = Meter::build_scale(); [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 176 | let scale = ::build_scale(); [INFO] [stderr] | ++++ + [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/meter/sink_meter.rs:40:17 [INFO] [stderr] | [INFO] [stderr] 40 | let widgets = Meter::build_meter(); [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 40 | let widgets = ::build_meter(); [INFO] [stderr] | ++++ + [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/meter/sink_meter.rs:59:16 [INFO] [stderr] | [INFO] [stderr] 59 | let scales = Meter::build_scales(&self.pulse, &self.data, self.split); [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 59 | let scales = ::build_scales(&self.pulse, &self.data, self.split); [INFO] [stderr] | ++++ + [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/meter/source_meter.rs:40:17 [INFO] [stderr] | [INFO] [stderr] 40 | let widgets = Meter::build_meter(); [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 40 | let widgets = ::build_meter(); [INFO] [stderr] | ++++ + [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/meter/source_meter.rs:60:16 [INFO] [stderr] | [INFO] [stderr] 60 | let scales = Meter::build_scales(&self.pulse, &self.data, self.split); [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 60 | let scales = ::build_scales(&self.pulse, &self.data, self.split); [INFO] [stderr] | ++++ + [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/meter/stream_meter.rs:39:17 [INFO] [stderr] | [INFO] [stderr] 39 | let widgets = Meter::build_meter(); [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 39 | let widgets = ::build_meter(); [INFO] [stderr] | ++++ + [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/meter/stream_meter.rs:58:16 [INFO] [stderr] | [INFO] [stderr] 58 | let scales = Meter::build_scales(&self.pulse, &self.data, self.split); [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 58 | let scales = ::build_scales(&self.pulse, &self.data, self.split); [INFO] [stderr] | ++++ + [INFO] [stderr] [INFO] [stderr] warning: field `icon` is never read [INFO] [stderr] --> src/card.rs:23:6 [INFO] [stderr] | [INFO] [stderr] 19 | pub struct CardData { [INFO] [stderr] | -------- field in this struct [INFO] [stderr] ... [INFO] [stderr] 23 | pub icon: String, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `CardData` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: field `select` is never read [INFO] [stderr] --> src/meter/base_meter.rs:56:6 [INFO] [stderr] | [INFO] [stderr] 51 | pub struct MeterWidgets { [INFO] [stderr] | ------------ field in this struct [INFO] [stderr] ... [INFO] [stderr] 56 | pub select: gtk::Button, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method `get_index` is never used [INFO] [stderr] --> src/meter/base_meter.rs:78:5 [INFO] [stderr] | [INFO] [stderr] 73 | pub trait Meter { [INFO] [stderr] | ----- method in this trait [INFO] [stderr] ... [INFO] [stderr] 78 | fn get_index(&self) -> u32; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field `monitor_index` is never read [INFO] [stderr] --> src/pulse.rs:80:6 [INFO] [stderr] | [INFO] [stderr] 75 | pub struct StreamData { [INFO] [stderr] | ---------- field in this struct [INFO] [stderr] ... [INFO] [stderr] 80 | pub monitor_index: u32, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/shared.rs:39:16 [INFO] [stderr] | [INFO] [stderr] 39 | pub fn borrow(&self) -> Ref { [INFO] [stderr] | ^^^^^ ^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 39 | pub fn borrow(&self) -> Ref<'_, T> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/shared.rs:48:20 [INFO] [stderr] | [INFO] [stderr] 48 | pub fn borrow_mut(&self) -> RefMut { [INFO] [stderr] | ^^^^^ ^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 48 | pub fn borrow_mut(&self) -> RefMut<'_, T> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: call to `.deref()` on a reference in this situation does nothing [INFO] [stderr] --> src/shared.rs:84:23 [INFO] [stderr] | [INFO] [stderr] 84 | write!(f, "{}", self.deref()) [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: the type `shared::Shared` does not implement `Deref`, so calling `deref` on `&shared::Shared` copies the reference, which does not do anything and can be removed [INFO] [stderr] = note: `#[warn(noop_method_call)]` on by default [INFO] [stderr] help: remove this redundant call [INFO] [stderr] | [INFO] [stderr] 84 - write!(f, "{}", self.deref()) [INFO] [stderr] 84 + write!(f, "{}", self) [INFO] [stderr] | [INFO] [stderr] help: if you meant to clone `shared::Shared`, implement `Clone` for it [INFO] [stderr] | [INFO] [stderr] 18 + #[derive(Clone)] [INFO] [stderr] 19 | pub struct Shared { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: call to `.deref()` on a reference in this situation does nothing [INFO] [stderr] --> src/shared.rs:91:25 [INFO] [stderr] | [INFO] [stderr] 91 | write!(f, "{:?}", self.deref()) [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: the type `shared::Shared` does not implement `Deref`, so calling `deref` on `&shared::Shared` copies the reference, which does not do anything and can be removed [INFO] [stderr] help: remove this redundant call [INFO] [stderr] | [INFO] [stderr] 91 - write!(f, "{:?}", self.deref()) [INFO] [stderr] 91 + write!(f, "{:?}", self) [INFO] [stderr] | [INFO] [stderr] help: if you meant to clone `shared::Shared`, implement `Clone` for it [INFO] [stderr] | [INFO] [stderr] 18 + #[derive(Clone)] [INFO] [stderr] 19 | pub struct Shared { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `myxer` (bin "myxer" test) generated 21 warnings (run `cargo fix --bin "myxer" -p myxer --tests` to apply 12 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/myxer-c459b8ef1db0b953) [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" "e0cc532b4cd71faa4419993038b73cb2ee7220166f434f2e295abb591cd7257c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e0cc532b4cd71faa4419993038b73cb2ee7220166f434f2e295abb591cd7257c", kill_on_drop: false }` [INFO] [stdout] e0cc532b4cd71faa4419993038b73cb2ee7220166f434f2e295abb591cd7257c