Dec 17 16:58:05.472 INFO checking rikshot/testbed against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 16:58:05.472 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/rikshot/testbed:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 16:58:05.695 INFO [stdout] 23e744e4506f13d916c641812fd5ae45503aeb4f036f719794e302328089dfe0
Dec 17 16:58:05.698 INFO running `"docker" "start" "-a" "23e744e4506f13d916c641812fd5ae45503aeb4f036f719794e302328089dfe0"`
Dec 17 16:58:06.272 INFO [stderr]     Checking mandelbrot v0.1.0 (/opt/crater/workdir)
Dec 17 16:58:06.712 INFO [stderr] warning: unused import: `CString`
Dec 17 16:58:06.712 INFO [stderr]   --> src/rs/mandelbrot.rs:11:16
Dec 17 16:58:06.712 INFO [stderr]    |
Dec 17 16:58:06.712 INFO [stderr] 11 | use std::ffi::{CString, CStr};
Dec 17 16:58:06.716 INFO [stderr]    |                ^^^^^^^
Dec 17 16:58:06.716 INFO [stderr]    |
Dec 17 16:58:06.716 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 17 16:58:06.716 INFO [stderr] 
Dec 17 16:58:07.022 INFO [stderr] warning: unused variable: `config`
Dec 17 16:58:07.022 INFO [stderr]    --> src/rs/mandelbrot.rs:135:9
Dec 17 16:58:07.022 INFO [stderr]     |
Dec 17 16:58:07.022 INFO [stderr] 135 |     let config: Config = serde_json::from_str(config_json.to_str().unwrap()).unwrap();
Dec 17 16:58:07.022 INFO [stderr]     |         ^^^^^^ help: consider using `_config` instead
Dec 17 16:58:07.022 INFO [stderr]     |
Dec 17 16:58:07.022 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 17 16:58:07.022 INFO [stderr] 
Dec 17 16:58:07.022 INFO [stderr] warning: unused variable: `raw_chunk_config`
Dec 17 16:58:07.022 INFO [stderr]    --> src/rs/mandelbrot.rs:133:66
Dec 17 16:58:07.022 INFO [stderr]     |
Dec 17 16:58:07.023 INFO [stderr] 133 | pub unsafe extern "C" fn iterateChunk(raw_config: *const c_char, raw_chunk_config: *const c_char) -> u32 {
Dec 17 16:58:07.023 INFO [stderr]     |                                                                  ^^^^^^^^^^^^^^^^ help: consider using `_raw_chunk_config` instead
Dec 17 16:58:07.023 INFO [stderr] 
Dec 17 16:58:07.023 INFO [stderr] warning: unused variable: `config`
Dec 17 16:58:07.023 INFO [stderr]    --> src/rs/mandelbrot.rs:209:9
Dec 17 16:58:07.023 INFO [stderr]     |
Dec 17 16:58:07.023 INFO [stderr] 209 |     let config: Config = serde_json::from_str(config_json.to_str().unwrap()).unwrap();
Dec 17 16:58:07.023 INFO [stderr]     |         ^^^^^^ help: consider using `_config` instead
Dec 17 16:58:07.023 INFO [stderr] 
Dec 17 16:58:07.023 INFO [stderr] warning: unused variable: `chunk_config`
Dec 17 16:58:07.023 INFO [stderr]    --> src/rs/mandelbrot.rs:212:9
Dec 17 16:58:07.023 INFO [stderr]     |
Dec 17 16:58:07.023 INFO [stderr] 212 |     let chunk_config: ChunkConfig = serde_json::from_str(chunk_config_json.to_str().unwrap()).unwrap();
Dec 17 16:58:07.023 INFO [stderr]     |         ^^^^^^^^^^^^ help: consider using `_chunk_config` instead
Dec 17 16:58:07.023 INFO [stderr] 
Dec 17 16:58:07.023 INFO [stderr] warning: unused variable: `buffers`
Dec 17 16:58:07.023 INFO [stderr]    --> src/rs/mandelbrot.rs:207:97
Dec 17 16:58:07.023 INFO [stderr]     |
Dec 17 16:58:07.023 INFO [stderr] 207 | pub unsafe extern "C" fn colorChunk(raw_config: *const c_char, raw_chunk_config: *const c_char, buffers: Buffers, total: u32) {
Dec 17 16:58:07.023 INFO [stderr]     |                                                                                                 ^^^^^^^ help: consider using `_buffers` instead
Dec 17 16:58:07.023 INFO [stderr] 
Dec 17 16:58:07.023 INFO [stderr] warning: unused variable: `total`
Dec 17 16:58:07.023 INFO [stderr]    --> src/rs/mandelbrot.rs:207:115
Dec 17 16:58:07.023 INFO [stderr]     |
Dec 17 16:58:07.023 INFO [stderr] 207 | pub unsafe extern "C" fn colorChunk(raw_config: *const c_char, raw_chunk_config: *const c_char, buffers: Buffers, total: u32) {
Dec 17 16:58:07.023 INFO [stderr]     |                                                                                                                   ^^^^^ help: consider using `_total` instead
Dec 17 16:58:07.023 INFO [stderr] 
Dec 17 16:58:07.114 INFO [stderr] warning: unused variable: `config`
Dec 17 16:58:07.115 INFO [stderr]    --> src/rs/mandelbrot.rs:135:9
Dec 17 16:58:07.115 INFO [stderr]     |
Dec 17 16:58:07.115 INFO [stderr] 135 |     let config: Config = serde_json::from_str(config_json.to_str().unwrap()).unwrap();
Dec 17 16:58:07.115 INFO [stderr]     |         ^^^^^^ help: consider using `_config` instead
Dec 17 16:58:07.115 INFO [stderr]     |
Dec 17 16:58:07.115 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 17 16:58:07.115 INFO [stderr] 
Dec 17 16:58:07.115 INFO [stderr] warning: unused variable: `raw_chunk_config`
Dec 17 16:58:07.115 INFO [stderr]    --> src/rs/mandelbrot.rs:133:66
Dec 17 16:58:07.115 INFO [stderr]     |
Dec 17 16:58:07.115 INFO [stderr] 133 | pub unsafe extern "C" fn iterateChunk(raw_config: *const c_char, raw_chunk_config: *const c_char) -> u32 {
Dec 17 16:58:07.115 INFO [stderr]     |                                                                  ^^^^^^^^^^^^^^^^ help: consider using `_raw_chunk_config` instead
Dec 17 16:58:07.115 INFO [stderr] 
Dec 17 16:58:07.115 INFO [stderr] warning: unused variable: `config`
Dec 17 16:58:07.115 INFO [stderr]    --> src/rs/mandelbrot.rs:209:9
Dec 17 16:58:07.115 INFO [stderr]     |
Dec 17 16:58:07.115 INFO [stderr] 209 |     let config: Config = serde_json::from_str(config_json.to_str().unwrap()).unwrap();
Dec 17 16:58:07.115 INFO [stderr]     |         ^^^^^^ help: consider using `_config` instead
Dec 17 16:58:07.115 INFO [stderr] 
Dec 17 16:58:07.115 INFO [stderr] warning: unused variable: `chunk_config`
Dec 17 16:58:07.115 INFO [stderr]    --> src/rs/mandelbrot.rs:212:9
Dec 17 16:58:07.115 INFO [stderr]     |
Dec 17 16:58:07.115 INFO [stderr] 212 |     let chunk_config: ChunkConfig = serde_json::from_str(chunk_config_json.to_str().unwrap()).unwrap();
Dec 17 16:58:07.115 INFO [stderr]     |         ^^^^^^^^^^^^ help: consider using `_chunk_config` instead
Dec 17 16:58:07.115 INFO [stderr] 
Dec 17 16:58:07.115 INFO [stderr] warning: unused variable: `buffers`
Dec 17 16:58:07.115 INFO [stderr]    --> src/rs/mandelbrot.rs:207:97
Dec 17 16:58:07.115 INFO [stderr]     |
Dec 17 16:58:07.115 INFO [stderr] 207 | pub unsafe extern "C" fn colorChunk(raw_config: *const c_char, raw_chunk_config: *const c_char, buffers: Buffers, total: u32) {
Dec 17 16:58:07.115 INFO [stderr]     |                                                                                                 ^^^^^^^ help: consider using `_buffers` instead
Dec 17 16:58:07.115 INFO [stderr] 
Dec 17 16:58:07.115 INFO [stderr] warning: unused variable: `total`
Dec 17 16:58:07.115 INFO [stderr]    --> src/rs/mandelbrot.rs:207:115
Dec 17 16:58:07.115 INFO [stderr]     |
Dec 17 16:58:07.115 INFO [stderr] 207 | pub unsafe extern "C" fn colorChunk(raw_config: *const c_char, raw_chunk_config: *const c_char, buffers: Buffers, total: u32) {
Dec 17 16:58:07.115 INFO [stderr]     |                                                                                                                   ^^^^^ help: consider using `_total` instead
Dec 17 16:58:07.115 INFO [stderr] 
Dec 17 16:58:07.144 INFO [stderr] warning: method is never used: `new`
Dec 17 16:58:07.144 INFO [stderr]   --> src/rs/mandelbrot.rs:82:5
Dec 17 16:58:07.144 INFO [stderr]    |
Dec 17 16:58:07.144 INFO [stderr] 82 |     pub fn new(min: T, max: T) -> NumberRange<T> {
Dec 17 16:58:07.144 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 16:58:07.144 INFO [stderr]    |
Dec 17 16:58:07.144 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 16:58:07.144 INFO [stderr] 
Dec 17 16:58:07.144 INFO [stderr] warning: method is never used: `scale`
Dec 17 16:58:07.144 INFO [stderr]   --> src/rs/mandelbrot.rs:90:5
Dec 17 16:58:07.144 INFO [stderr]    |
Dec 17 16:58:07.144 INFO [stderr] 90 |     pub fn scale(input: &NumberRange<T>, value: T, output: &NumberRange<T>) -> T {
Dec 17 16:58:07.144 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 16:58:07.144 INFO [stderr] 
Dec 17 16:58:07.144 INFO [stderr] warning: struct is never constructed: `Color`
Dec 17 16:58:07.144 INFO [stderr]   --> src/rs/mandelbrot.rs:96:1
Dec 17 16:58:07.144 INFO [stderr]    |
Dec 17 16:58:07.144 INFO [stderr] 96 | struct Color {
Dec 17 16:58:07.144 INFO [stderr]    | ^^^^^^^^^^^^
Dec 17 16:58:07.144 INFO [stderr] 
Dec 17 16:58:07.144 INFO [stderr] warning: method is never used: `black`
Dec 17 16:58:07.144 INFO [stderr]    --> src/rs/mandelbrot.rs:106:5
Dec 17 16:58:07.144 INFO [stderr]     |
Dec 17 16:58:07.144 INFO [stderr] 106 |     pub fn black() -> &'static Color {
Dec 17 16:58:07.144 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 16:58:07.144 INFO [stderr] 
Dec 17 16:58:07.144 INFO [stderr] warning: static item is never used: `BLACK`
Dec 17 16:58:07.144 INFO [stderr]    --> src/rs/mandelbrot.rs:107:9
Dec 17 16:58:07.144 INFO [stderr]     |
Dec 17 16:58:07.144 INFO [stderr] 107 |         static BLACK: Color = Color {red: 0, green: 0, blue: 0, alpha: 0xFF, abgr: 0};
Dec 17 16:58:07.144 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 16:58:07.144 INFO [stderr] 
Dec 17 16:58:07.144 INFO [stderr] warning: method is never used: `new`
Dec 17 16:58:07.144 INFO [stderr]    --> src/rs/mandelbrot.rs:111:5
Dec 17 16:58:07.144 INFO [stderr]     |
Dec 17 16:58:07.144 INFO [stderr] 111 |     pub fn new(red: u8, green: u8, blue: u8, alpha: u8) -> Color {
Dec 17 16:58:07.144 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 16:58:07.144 INFO [stderr] 
Dec 17 16:58:07.144 INFO [stderr] warning: method is never used: `lerp`
Dec 17 16:58:07.144 INFO [stderr]    --> src/rs/mandelbrot.rs:121:5
Dec 17 16:58:07.144 INFO [stderr]     |
Dec 17 16:58:07.144 INFO [stderr] 121 |     pub fn lerp(color1: &Color, color2: &Color, value: f64) -> Color {
Dec 17 16:58:07.144 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 16:58:07.144 INFO [stderr] 
Dec 17 16:58:07.257 INFO [stderr] warning: method is never used: `new`
Dec 17 16:58:07.257 INFO [stderr]   --> src/rs/mandelbrot.rs:82:5
Dec 17 16:58:07.257 INFO [stderr]    |
Dec 17 16:58:07.257 INFO [stderr] 82 |     pub fn new(min: T, max: T) -> NumberRange<T> {
Dec 17 16:58:07.257 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 16:58:07.257 INFO [stderr]    |
Dec 17 16:58:07.257 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 16:58:07.257 INFO [stderr] 
Dec 17 16:58:07.257 INFO [stderr] warning: method is never used: `scale`
Dec 17 16:58:07.257 INFO [stderr]   --> src/rs/mandelbrot.rs:90:5
Dec 17 16:58:07.257 INFO [stderr]    |
Dec 17 16:58:07.257 INFO [stderr] 90 |     pub fn scale(input: &NumberRange<T>, value: T, output: &NumberRange<T>) -> T {
Dec 17 16:58:07.257 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 16:58:07.257 INFO [stderr] 
Dec 17 16:58:07.257 INFO [stderr] warning: struct is never constructed: `Color`
Dec 17 16:58:07.257 INFO [stderr]   --> src/rs/mandelbrot.rs:96:1
Dec 17 16:58:07.257 INFO [stderr]    |
Dec 17 16:58:07.257 INFO [stderr] 96 | struct Color {
Dec 17 16:58:07.257 INFO [stderr]    | ^^^^^^^^^^^^
Dec 17 16:58:07.257 INFO [stderr] 
Dec 17 16:58:07.257 INFO [stderr] warning: method is never used: `black`
Dec 17 16:58:07.257 INFO [stderr]    --> src/rs/mandelbrot.rs:106:5
Dec 17 16:58:07.257 INFO [stderr]     |
Dec 17 16:58:07.257 INFO [stderr] 106 |     pub fn black() -> &'static Color {
Dec 17 16:58:07.257 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 16:58:07.257 INFO [stderr] 
Dec 17 16:58:07.257 INFO [stderr] warning: static item is never used: `BLACK`
Dec 17 16:58:07.257 INFO [stderr]    --> src/rs/mandelbrot.rs:107:9
Dec 17 16:58:07.257 INFO [stderr]     |
Dec 17 16:58:07.257 INFO [stderr] 107 |         static BLACK: Color = Color {red: 0, green: 0, blue: 0, alpha: 0xFF, abgr: 0};
Dec 17 16:58:07.257 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 16:58:07.257 INFO [stderr] 
Dec 17 16:58:07.257 INFO [stderr] warning: method is never used: `new`
Dec 17 16:58:07.257 INFO [stderr]    --> src/rs/mandelbrot.rs:111:5
Dec 17 16:58:07.257 INFO [stderr]     |
Dec 17 16:58:07.257 INFO [stderr] 111 |     pub fn new(red: u8, green: u8, blue: u8, alpha: u8) -> Color {
Dec 17 16:58:07.257 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 16:58:07.257 INFO [stderr] 
Dec 17 16:58:07.257 INFO [stderr] warning: method is never used: `lerp`
Dec 17 16:58:07.257 INFO [stderr]    --> src/rs/mandelbrot.rs:121:5
Dec 17 16:58:07.257 INFO [stderr]     |
Dec 17 16:58:07.257 INFO [stderr] 121 |     pub fn lerp(color1: &Color, color2: &Color, value: f64) -> Color {
Dec 17 16:58:07.257 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 16:58:07.257 INFO [stderr] 
Dec 17 16:58:07.277 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
Dec 17 16:58:07.488 INFO running `"docker" "inspect" "23e744e4506f13d916c641812fd5ae45503aeb4f036f719794e302328089dfe0"`
Dec 17 16:58:07.544 INFO running `"docker" "rm" "-f" "23e744e4506f13d916c641812fd5ae45503aeb4f036f719794e302328089dfe0"`
Dec 17 16:58:07.658 INFO [stdout] 23e744e4506f13d916c641812fd5ae45503aeb4f036f719794e302328089dfe0