[INFO] cloning repository https://github.com/polyfloyd/ledcat [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/polyfloyd/ledcat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpolyfloyd%2Fledcat", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpolyfloyd%2Fledcat'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ed1911980aa59a8ea99830ff2e08d3a0ccb540a9 [INFO] checking polyfloyd/ledcat against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpolyfloyd%2Fledcat" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/polyfloyd/ledcat on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/polyfloyd/ledcat [INFO] finished tweaking git repo https://github.com/polyfloyd/ledcat [INFO] tweaked toml for git repo https://github.com/polyfloyd/ledcat written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/polyfloyd/ledcat 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded gpio v0.4.1 [INFO] [stderr] Downloaded librgbmatrix-sys v0.9.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c6fa60d354d13baac7d41713ec56e18a7d7c644a6dcf80bf067c381041074d8d [INFO] running `Command { std: "docker" "start" "-a" "c6fa60d354d13baac7d41713ec56e18a7d7c644a6dcf80bf067c381041074d8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c6fa60d354d13baac7d41713ec56e18a7d7c644a6dcf80bf067c381041074d8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c6fa60d354d13baac7d41713ec56e18a7d7c644a6dcf80bf067c381041074d8d", kill_on_drop: false }` [INFO] [stdout] c6fa60d354d13baac7d41713ec56e18a7d7c644a6dcf80bf067c381041074d8d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 295f6de0a279c4c5268d12ad6fd4af09edb0f4b6ada9f3098e73c4707edeb0df [INFO] running `Command { std: "docker" "start" "-a" "295f6de0a279c4c5268d12ad6fd4af09edb0f4b6ada9f3098e73c4707edeb0df", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking memchr v2.7.1 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling cc v1.0.88 [INFO] [stderr] Compiling memoffset v0.9.0 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling nix v0.28.0 [INFO] [stderr] Compiling serde_json v1.0.114 [INFO] [stderr] Checking clap_builder v4.5.2 [INFO] [stderr] Checking environment v0.1.1 [INFO] [stderr] Checking gpio v0.4.1 [INFO] [stderr] Checking aho-corasick v1.1.2 [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking tempfile v3.10.1 [INFO] [stderr] Compiling backtrace v0.3.69 [INFO] [stderr] Checking regex-automata v0.4.5 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking is-terminal v0.4.12 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking colored v1.9.4 [INFO] [stderr] Checking clap v4.5.4 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking assert_cli v0.6.3 [INFO] [stderr] Checking ledcat v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/artnet/mod.rs:3:15 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] 2 | use std::collections; [INFO] [stdout] 3 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/fluxled/mod.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] ... [INFO] [stdout] 9 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/generic.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] 2 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/hexws2811.rs:2:15 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] 2 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/hub75.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] ... [INFO] [stdout] 5 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/artnet/mod.rs:3:15 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] 2 | use std::collections; [INFO] [stdout] 3 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/fluxled/mod.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] ... [INFO] [stdout] 9 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/generic.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] 2 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/hexws2811.rs:2:15 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] 2 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/hub75.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] ... [INFO] [stdout] 5 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `written_frame_size` is never used [INFO] [stdout] --> src/device/mod.rs:63:8 [INFO] [stdout] | [INFO] [stdout] 56 | pub trait Device: Send { [INFO] [stdout] | ------ method in this trait [INFO] [stdout] ... [INFO] [stdout] 63 | fn written_frame_size(&self, num_pixels: usize) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/driver/mod.rs:33:8 [INFO] [stdout] | [INFO] [stdout] 33 | Io(io::Error), [INFO] [stdout] | -- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 33 | Io(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/driver/mod.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | Nix(nix::Error), [INFO] [stdout] | --- ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 34 | Nix(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `written_frame_size` is never used [INFO] [stdout] --> src/device/mod.rs:63:8 [INFO] [stdout] | [INFO] [stdout] 56 | pub trait Device: Send { [INFO] [stdout] | ------ method in this trait [INFO] [stdout] ... [INFO] [stdout] 63 | fn written_frame_size(&self, num_pixels: usize) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/driver/mod.rs:33:8 [INFO] [stdout] | [INFO] [stdout] 33 | Io(io::Error), [INFO] [stdout] | -- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 33 | Io(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/driver/mod.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | Nix(nix::Error), [INFO] [stdout] | --- ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 34 | Nix(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.97s [INFO] running `Command { std: "docker" "inspect" "295f6de0a279c4c5268d12ad6fd4af09edb0f4b6ada9f3098e73c4707edeb0df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "295f6de0a279c4c5268d12ad6fd4af09edb0f4b6ada9f3098e73c4707edeb0df", kill_on_drop: false }` [INFO] [stdout] 295f6de0a279c4c5268d12ad6fd4af09edb0f4b6ada9f3098e73c4707edeb0df [INFO] checking polyfloyd/ledcat against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpolyfloyd%2Fledcat" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/polyfloyd/ledcat on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/polyfloyd/ledcat [INFO] finished tweaking git repo https://github.com/polyfloyd/ledcat [INFO] tweaked toml for git repo https://github.com/polyfloyd/ledcat written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/polyfloyd/ledcat 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3f522b27520e6290eec4956b79812f442a67a81da8092e4a41e6f81cad0dd302 [INFO] running `Command { std: "docker" "start" "-a" "3f522b27520e6290eec4956b79812f442a67a81da8092e4a41e6f81cad0dd302", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3f522b27520e6290eec4956b79812f442a67a81da8092e4a41e6f81cad0dd302", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f522b27520e6290eec4956b79812f442a67a81da8092e4a41e6f81cad0dd302", kill_on_drop: false }` [INFO] [stdout] 3f522b27520e6290eec4956b79812f442a67a81da8092e4a41e6f81cad0dd302 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9e3284f98d7eb1c4232d9398e05fe7608f79fa303bf6f9b3ec26ad1d5a2d9973 [INFO] running `Command { std: "docker" "start" "-a" "9e3284f98d7eb1c4232d9398e05fe7608f79fa303bf6f9b3ec26ad1d5a2d9973", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking memchr v2.7.1 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling cc v1.0.88 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling memoffset v0.9.0 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Compiling nix v0.28.0 [INFO] [stderr] Compiling serde_json v1.0.114 [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Checking aho-corasick v1.1.2 [INFO] [stderr] Checking clap_builder v4.5.2 [INFO] [stderr] Checking gpio v0.4.1 [INFO] [stderr] Checking environment v0.1.1 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking tempfile v3.10.1 [INFO] [stderr] Compiling backtrace v0.3.69 [INFO] [stderr] Checking regex-automata v0.4.5 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking is-terminal v0.4.12 [INFO] [stderr] Checking colored v1.9.4 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking clap v4.5.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking ledcat v0.2.1 (/opt/rustwide/workdir) [INFO] [stderr] Checking assert_cli v0.6.3 [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/artnet/mod.rs:3:15 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] 2 | use std::collections; [INFO] [stdout] 3 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/fluxled/mod.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] ... [INFO] [stdout] 9 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/generic.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] 2 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/hexws2811.rs:2:15 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] 2 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/hub75.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] ... [INFO] [stdout] 5 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/artnet/mod.rs:3:15 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] 2 | use std::collections; [INFO] [stdout] 3 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/fluxled/mod.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] ... [INFO] [stdout] 9 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/generic.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] 2 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/hexws2811.rs:2:15 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] 2 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/hub75.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] ... [INFO] [stdout] 5 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `written_frame_size` is never used [INFO] [stdout] --> src/device/mod.rs:63:8 [INFO] [stdout] | [INFO] [stdout] 56 | pub trait Device: Send { [INFO] [stdout] | ------ method in this trait [INFO] [stdout] ... [INFO] [stdout] 63 | fn written_frame_size(&self, num_pixels: usize) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/driver/mod.rs:33:8 [INFO] [stdout] | [INFO] [stdout] 33 | Io(io::Error), [INFO] [stdout] | -- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 33 | Io(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/driver/mod.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | Nix(nix::Error), [INFO] [stdout] | --- ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 34 | Nix(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `written_frame_size` is never used [INFO] [stdout] --> src/device/mod.rs:63:8 [INFO] [stdout] | [INFO] [stdout] 56 | pub trait Device: Send { [INFO] [stdout] | ------ method in this trait [INFO] [stdout] ... [INFO] [stdout] 63 | fn written_frame_size(&self, num_pixels: usize) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/driver/mod.rs:33:8 [INFO] [stdout] | [INFO] [stdout] 33 | Io(io::Error), [INFO] [stdout] | -- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 33 | Io(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/driver/mod.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | Nix(nix::Error), [INFO] [stdout] | --- ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 34 | Nix(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.67s [INFO] running `Command { std: "docker" "inspect" "9e3284f98d7eb1c4232d9398e05fe7608f79fa303bf6f9b3ec26ad1d5a2d9973", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9e3284f98d7eb1c4232d9398e05fe7608f79fa303bf6f9b3ec26ad1d5a2d9973", kill_on_drop: false }` [INFO] [stdout] 9e3284f98d7eb1c4232d9398e05fe7608f79fa303bf6f9b3ec26ad1d5a2d9973