[INFO] cloning repository https://github.com/swilcox/led-kurokku-esp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/swilcox/led-kurokku-esp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswilcox%2Fled-kurokku-esp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswilcox%2Fled-kurokku-esp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ab127dcbca035d606958ee1cd2a955abd03a5b0
[INFO] checking swilcox/led-kurokku-esp against master#9e293ae9f8abecb0be5105787d181518c9012a19 for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswilcox%2Fled-kurokku-esp" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc1/source/.cargo/config.toml
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[INFO] started tweaking git repo https://github.com/swilcox/led-kurokku-esp
[INFO] finished tweaking git repo https://github.com/swilcox/led-kurokku-esp
[INFO] tweaked toml for git repo https://github.com/swilcox/led-kurokku-esp written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/swilcox/led-kurokku-esp on toolchain 9e293ae9f8abecb0be5105787d181518c9012a19
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/swilcox/led-kurokku-esp 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" "+9e293ae9f8abecb0be5105787d181518c9012a19" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+9e293ae9f8abecb0be5105787d181518c9012a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ceeb22a1d4d337be456d839dc8287f5949b0498c51a6ff75d54d4537fd7e926
[INFO] running `Command { std: "docker" "start" "-a" "7ceeb22a1d4d337be456d839dc8287f5949b0498c51a6ff75d54d4537fd7e926", kill_on_drop: false }`
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[INFO] [stdout] 8a448d4be2ce53ffc5a497747220f7d922f67c359ba515d6062e292f64a62b48
[INFO] running `Command { std: "docker" "start" "-a" "8a448d4be2ce53ffc5a497747220f7d922f67c359ba515d6062e292f64a62b48", kill_on_drop: false }`
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[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
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[INFO] [stderr]    Compiling regex v1.12.3
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[INFO] [stderr]    Compiling led-kurokku-esp v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Display` is never used
[INFO] [stdout]  --> src/display/mod.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait Display: Send {
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `PixelDisplay` is never used
[INFO] [stdout]   --> src/display/mod.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub trait PixelDisplay: Display {
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SegmentDisplay` is never used
[INFO] [stdout]   --> src/display/mod.rs:21:11
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub trait SegmentDisplay: Display {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `AnyDisplay` is never used
[INFO] [stdout]   --> src/display/mod.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub enum AnyDisplay {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CMD_DATA_AUTO` is never used
[INFO] [stdout]  --> src/display/tm1637_proto.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub const CMD_DATA_AUTO: u8 = 0x40; // write data, auto-increment address
[INFO] [stdout]   |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CMD_ADDR_START` is never used
[INFO] [stdout]  --> src/display/tm1637_proto.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub const CMD_ADDR_START: u8 = 0xC0; // pointer to digit 0
[INFO] [stdout]   |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CMD_DISPLAY_ON` is never used
[INFO] [stdout]  --> src/display/tm1637_proto.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub const CMD_DISPLAY_ON: u8 = 0x88; // display-on command; low 3 bits = brightness
[INFO] [stdout]   |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NUM_DIGITS` is never used
[INFO] [stdout]   --> src/display/tm1637_proto.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub const NUM_DIGITS: usize = 4;
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `data_mode_frame` is never used
[INFO] [stdout]   --> src/display/tm1637_proto.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn data_mode_frame() -> [u8; 1] {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `digit_frame` is never used
[INFO] [stdout]   --> src/display/tm1637_proto.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn digit_frame(segments: &[u16], colon: bool) -> [u8; 1 + NUM_DIGITS] {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `display_control_frame` is never used
[INFO] [stdout]   --> src/display/tm1637_proto.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn display_control_frame(native_bright: u8) -> [u8; 1] {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `map_brightness` is never used
[INFO] [stdout]   --> src/display/tm1637_proto.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn map_brightness(level_0_15: u8) -> u8 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Glyph` is never used
[INFO] [stdout]  --> src/font.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | type Glyph = [u8; 5];
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `glyph` is never used
[INFO] [stdout]   --> src/font.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn glyph(ch: char) -> Glyph {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `katakana_glyph` is never used
[INFO] [stdout]   --> src/font.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn katakana_glyph(ch: char) -> Option<Glyph> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `render_text` is never used
[INFO] [stdout]    --> src/font.rs:103:8
[INFO] [stdout]     |
[INFO] [stdout] 103 | pub fn render_text(s: &str) -> Vec<u8> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DEGREE_GLYPH` is never used
[INFO] [stdout]    --> src/font.rs:116:7
[INFO] [stdout]     |
[INFO] [stdout] 116 | const DEGREE_GLYPH: Glyph = [0x00, 0x02, 0x05, 0x02, 0x00];
[INFO] [stdout]     |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FONT5X7` is never used
[INFO] [stdout]    --> src/font.rs:119:7
[INFO] [stdout]     |
[INFO] [stdout] 119 | const FONT5X7: [Glyph; 95] = [
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encode` is never used
[INFO] [stdout]   --> src/font_7seg.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn encode(c: char) -> Option<u8> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `digit` is never used
[INFO] [stdout]   --> src/font_7seg.rs:78:8
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub fn digit(d: u8) -> u8 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `encode_text` is never used
[INFO] [stdout]   --> src/font_7seg.rs:91:8
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub fn encode_text(s: &str) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Frame` is never used
[INFO] [stdout]  --> src/framebuf.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub type Frame = [u8; 32];
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `clear` is never used
[INFO] [stdout]  --> src/framebuf.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn clear(frame: &mut Frame) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_pixel` is never used
[INFO] [stdout]   --> src/framebuf.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn set_pixel(frame: &mut Frame, x: usize, y: usize, on: bool) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_pixel` is never used
[INFO] [stdout]   --> src/framebuf.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn get_pixel(frame: &Frame, x: usize, y: usize) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `blit_text` is never used
[INFO] [stdout]   --> src/framebuf.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn blit_text(frame: &mut Frame, text: &str, offset_x: usize) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `blit_text_centered` is never used
[INFO] [stdout]   --> src/framebuf.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn blit_text_centered(frame: &mut Frame, text: &str) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Display` is never used
[INFO] [stdout]  --> src/display/mod.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait Display: Send {
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `PixelDisplay` is never used
[INFO] [stdout]   --> src/display/mod.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub trait PixelDisplay: Display {
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SegmentDisplay` is never used
[INFO] [stdout]   --> src/display/mod.rs:21:11
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub trait SegmentDisplay: Display {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `AnyDisplay` is never used
[INFO] [stdout]   --> src/display/mod.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub enum AnyDisplay {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Glyph` is never used
[INFO] [stdout]  --> src/font.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | type Glyph = [u8; 5];
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `glyph` is never used
[INFO] [stdout]   --> src/font.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn glyph(ch: char) -> Glyph {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `katakana_glyph` is never used
[INFO] [stdout]   --> src/font.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn katakana_glyph(ch: char) -> Option<Glyph> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `render_text` is never used
[INFO] [stdout]    --> src/font.rs:103:8
[INFO] [stdout]     |
[INFO] [stdout] 103 | pub fn render_text(s: &str) -> Vec<u8> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DEGREE_GLYPH` is never used
[INFO] [stdout]    --> src/font.rs:116:7
[INFO] [stdout]     |
[INFO] [stdout] 116 | const DEGREE_GLYPH: Glyph = [0x00, 0x02, 0x05, 0x02, 0x00];
[INFO] [stdout]     |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FONT5X7` is never used
[INFO] [stdout]    --> src/font.rs:119:7
[INFO] [stdout]     |
[INFO] [stdout] 119 | const FONT5X7: [Glyph; 95] = [
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Frame` is never used
[INFO] [stdout]  --> src/framebuf.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub type Frame = [u8; 32];
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `clear` is never used
[INFO] [stdout]  --> src/framebuf.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn clear(frame: &mut Frame) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_pixel` is never used
[INFO] [stdout]   --> src/framebuf.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn set_pixel(frame: &mut Frame, x: usize, y: usize, on: bool) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_pixel` is never used
[INFO] [stdout]   --> src/framebuf.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn get_pixel(frame: &Frame, x: usize, y: usize) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `blit_text` is never used
[INFO] [stdout]   --> src/framebuf.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn blit_text(frame: &mut Frame, text: &str, offset_x: usize) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `blit_text_centered` is never used
[INFO] [stdout]   --> src/framebuf.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn blit_text_centered(frame: &mut Frame, text: &str) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 24.70s
[INFO] running `Command { std: "docker" "inspect" "8a448d4be2ce53ffc5a497747220f7d922f67c359ba515d6062e292f64a62b48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a448d4be2ce53ffc5a497747220f7d922f67c359ba515d6062e292f64a62b48", kill_on_drop: false }`
[INFO] [stdout] 8a448d4be2ce53ffc5a497747220f7d922f67c359ba515d6062e292f64a62b48
