Oct 12 15:00:02.134 INFO checking rikshot/testbed against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 15:00:02.135 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-7/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +4021bd0b3c5815b087d6db10ce461e7e4854ade7-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 12 15:00:02.563 INFO blam! 70a1ff359be9feb88f2fd77d503907703c22924d3f56f4c31588d668c3fe3166
Oct 12 15:00:02.565 INFO running `"docker" "start" "-a" "70a1ff359be9feb88f2fd77d503907703c22924d3f56f4c31588d668c3fe3166"`
Oct 12 15:00:03.581 INFO kablam! usermod: no changes
Oct 12 15:00:03.658 INFO kablam!     Checking mandelbrot v0.1.0 (/source)
Oct 12 15:00:04.092 INFO kablam! warning: unused import: `CString`
Oct 12 15:00:04.092 INFO kablam!   --> src/rs/mandelbrot.rs:11:16
Oct 12 15:00:04.092 INFO kablam!    |
Oct 12 15:00:04.092 INFO kablam! 11 | use std::ffi::{CString, CStr};
Oct 12 15:00:04.092 INFO kablam!    |                ^^^^^^^
Oct 12 15:00:04.092 INFO kablam!    |
Oct 12 15:00:04.092 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 12 15:00:04.092 INFO kablam! 
Oct 12 15:00:04.472 INFO kablam! warning: unused variable: `config`
Oct 12 15:00:04.473 INFO kablam!    --> src/rs/mandelbrot.rs:135:9
Oct 12 15:00:04.473 INFO kablam!     |
Oct 12 15:00:04.473 INFO kablam! 135 |     let config: Config = serde_json::from_str(config_json.to_str().unwrap()).unwrap();
Oct 12 15:00:04.474 INFO kablam!     |         ^^^^^^ help: consider using `_config` instead
Oct 12 15:00:04.474 INFO kablam!     |
Oct 12 15:00:04.474 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 12 15:00:04.475 INFO kablam! 
Oct 12 15:00:04.475 INFO kablam! warning: unused variable: `raw_chunk_config`
Oct 12 15:00:04.475 INFO kablam!    --> src/rs/mandelbrot.rs:133:66
Oct 12 15:00:04.475 INFO kablam!     |
Oct 12 15:00:04.476 INFO kablam! 133 | pub unsafe extern "C" fn iterateChunk(raw_config: *const c_char, raw_chunk_config: *const c_char) -> u32 {
Oct 12 15:00:04.476 INFO kablam!     |                                                                  ^^^^^^^^^^^^^^^^ help: consider using `_raw_chunk_config` instead
Oct 12 15:00:04.476 INFO kablam! 
Oct 12 15:00:04.477 INFO kablam! warning: unused variable: `config`
Oct 12 15:00:04.477 INFO kablam!    --> src/rs/mandelbrot.rs:209:9
Oct 12 15:00:04.477 INFO kablam!     |
Oct 12 15:00:04.478 INFO kablam! 209 |     let config: Config = serde_json::from_str(config_json.to_str().unwrap()).unwrap();
Oct 12 15:00:04.478 INFO kablam!     |         ^^^^^^ help: consider using `_config` instead
Oct 12 15:00:04.478 INFO kablam! 
Oct 12 15:00:04.479 INFO kablam! warning: unused variable: `chunk_config`
Oct 12 15:00:04.479 INFO kablam!    --> src/rs/mandelbrot.rs:212:9
Oct 12 15:00:04.479 INFO kablam!     |
Oct 12 15:00:04.480 INFO kablam! 212 |     let chunk_config: ChunkConfig = serde_json::from_str(chunk_config_json.to_str().unwrap()).unwrap();
Oct 12 15:00:04.480 INFO kablam!     |         ^^^^^^^^^^^^ help: consider using `_chunk_config` instead
Oct 12 15:00:04.480 INFO kablam! 
Oct 12 15:00:04.481 INFO kablam! warning: unused variable: `buffers`
Oct 12 15:00:04.481 INFO kablam!    --> src/rs/mandelbrot.rs:207:97
Oct 12 15:00:04.481 INFO kablam!     |
Oct 12 15:00:04.481 INFO kablam! 207 | pub unsafe extern "C" fn colorChunk(raw_config: *const c_char, raw_chunk_config: *const c_char, buffers: Buffers, total: u32) {
Oct 12 15:00:04.482 INFO kablam!     |                                                                                                 ^^^^^^^ help: consider using `_buffers` instead
Oct 12 15:00:04.482 INFO kablam! 
Oct 12 15:00:04.482 INFO kablam! warning: unused variable: `total`
Oct 12 15:00:04.483 INFO kablam!    --> src/rs/mandelbrot.rs:207:115
Oct 12 15:00:04.483 INFO kablam!     |
Oct 12 15:00:04.483 INFO kablam! 207 | pub unsafe extern "C" fn colorChunk(raw_config: *const c_char, raw_chunk_config: *const c_char, buffers: Buffers, total: u32) {
Oct 12 15:00:04.483 INFO kablam!     |                                                                                                                   ^^^^^ help: consider using `_total` instead
Oct 12 15:00:04.484 INFO kablam! 
Oct 12 15:00:04.592 INFO kablam! warning: method is never used: `new`
Oct 12 15:00:04.592 INFO kablam!   --> src/rs/mandelbrot.rs:82:5
Oct 12 15:00:04.592 INFO kablam!    |
Oct 12 15:00:04.592 INFO kablam! 82 |     pub fn new(min: T, max: T) -> NumberRange<T> {
Oct 12 15:00:04.592 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:00:04.592 INFO kablam!    |
Oct 12 15:00:04.592 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 15:00:04.592 INFO kablam! 
Oct 12 15:00:04.592 INFO kablam! warning: method is never used: `scale`
Oct 12 15:00:04.592 INFO kablam!   --> src/rs/mandelbrot.rs:90:5
Oct 12 15:00:04.592 INFO kablam!    |
Oct 12 15:00:04.592 INFO kablam! 90 |     pub fn scale(input: &NumberRange<T>, value: T, output: &NumberRange<T>) -> T {
Oct 12 15:00:04.593 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:00:04.593 INFO kablam! 
Oct 12 15:00:04.593 INFO kablam! warning: struct is never constructed: `Color`
Oct 12 15:00:04.593 INFO kablam!   --> src/rs/mandelbrot.rs:96:1
Oct 12 15:00:04.593 INFO kablam!    |
Oct 12 15:00:04.593 INFO kablam! 96 | struct Color {
Oct 12 15:00:04.593 INFO kablam!    | ^^^^^^^^^^^^
Oct 12 15:00:04.593 INFO kablam! 
Oct 12 15:00:04.593 INFO kablam! warning: method is never used: `black`
Oct 12 15:00:04.593 INFO kablam!    --> src/rs/mandelbrot.rs:106:5
Oct 12 15:00:04.593 INFO kablam!     |
Oct 12 15:00:04.593 INFO kablam! 106 |     pub fn black() -> &'static Color {
Oct 12 15:00:04.593 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:00:04.593 INFO kablam! 
Oct 12 15:00:04.593 INFO kablam! warning: static item is never used: `BLACK`
Oct 12 15:00:04.593 INFO kablam!    --> src/rs/mandelbrot.rs:107:9
Oct 12 15:00:04.593 INFO kablam!     |
Oct 12 15:00:04.593 INFO kablam! 107 |         static BLACK: Color = Color {red: 0, green: 0, blue: 0, alpha: 0xFF, abgr: 0};
Oct 12 15:00:04.593 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:00:04.593 INFO kablam! 
Oct 12 15:00:04.593 INFO kablam! warning: method is never used: `new`
Oct 12 15:00:04.593 INFO kablam!    --> src/rs/mandelbrot.rs:111:5
Oct 12 15:00:04.593 INFO kablam!     |
Oct 12 15:00:04.593 INFO kablam! 111 |     pub fn new(red: u8, green: u8, blue: u8, alpha: u8) -> Color {
Oct 12 15:00:04.593 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:00:04.593 INFO kablam! 
Oct 12 15:00:04.593 INFO kablam! warning: method is never used: `lerp`
Oct 12 15:00:04.593 INFO kablam!    --> src/rs/mandelbrot.rs:121:5
Oct 12 15:00:04.593 INFO kablam!     |
Oct 12 15:00:04.593 INFO kablam! 121 |     pub fn lerp(color1: &Color, color2: &Color, value: f64) -> Color {
Oct 12 15:00:04.593 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:00:04.593 INFO kablam! 
Oct 12 15:00:04.716 INFO kablam! warning: unused variable: `config`
Oct 12 15:00:04.716 INFO kablam!    --> src/rs/mandelbrot.rs:135:9
Oct 12 15:00:04.716 INFO kablam!     |
Oct 12 15:00:04.716 INFO kablam! 135 |     let config: Config = serde_json::from_str(config_json.to_str().unwrap()).unwrap();
Oct 12 15:00:04.716 INFO kablam!     |         ^^^^^^ help: consider using `_config` instead
Oct 12 15:00:04.716 INFO kablam!     |
Oct 12 15:00:04.716 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 12 15:00:04.716 INFO kablam! 
Oct 12 15:00:04.716 INFO kablam! warning: unused variable: `raw_chunk_config`
Oct 12 15:00:04.716 INFO kablam!    --> src/rs/mandelbrot.rs:133:66
Oct 12 15:00:04.716 INFO kablam!     |
Oct 12 15:00:04.716 INFO kablam! 133 | pub unsafe extern "C" fn iterateChunk(raw_config: *const c_char, raw_chunk_config: *const c_char) -> u32 {
Oct 12 15:00:04.716 INFO kablam!     |                                                                  ^^^^^^^^^^^^^^^^ help: consider using `_raw_chunk_config` instead
Oct 12 15:00:04.716 INFO kablam! 
Oct 12 15:00:04.716 INFO kablam! warning: unused variable: `config`
Oct 12 15:00:04.716 INFO kablam!    --> src/rs/mandelbrot.rs:209:9
Oct 12 15:00:04.716 INFO kablam!     |
Oct 12 15:00:04.716 INFO kablam! 209 |     let config: Config = serde_json::from_str(config_json.to_str().unwrap()).unwrap();
Oct 12 15:00:04.716 INFO kablam!     |         ^^^^^^ help: consider using `_config` instead
Oct 12 15:00:04.716 INFO kablam! 
Oct 12 15:00:04.716 INFO kablam! warning: unused variable: `chunk_config`
Oct 12 15:00:04.716 INFO kablam!    --> src/rs/mandelbrot.rs:212:9
Oct 12 15:00:04.716 INFO kablam!     |
Oct 12 15:00:04.716 INFO kablam! 212 |     let chunk_config: ChunkConfig = serde_json::from_str(chunk_config_json.to_str().unwrap()).unwrap();
Oct 12 15:00:04.716 INFO kablam!     |         ^^^^^^^^^^^^ help: consider using `_chunk_config` instead
Oct 12 15:00:04.716 INFO kablam! 
Oct 12 15:00:04.716 INFO kablam! warning: unused variable: `buffers`
Oct 12 15:00:04.716 INFO kablam!    --> src/rs/mandelbrot.rs:207:97
Oct 12 15:00:04.716 INFO kablam!     |
Oct 12 15:00:04.716 INFO kablam! 207 | pub unsafe extern "C" fn colorChunk(raw_config: *const c_char, raw_chunk_config: *const c_char, buffers: Buffers, total: u32) {
Oct 12 15:00:04.716 INFO kablam!     |                                                                                                 ^^^^^^^ help: consider using `_buffers` instead
Oct 12 15:00:04.716 INFO kablam! 
Oct 12 15:00:04.716 INFO kablam! warning: unused variable: `total`
Oct 12 15:00:04.716 INFO kablam!    --> src/rs/mandelbrot.rs:207:115
Oct 12 15:00:04.716 INFO kablam!     |
Oct 12 15:00:04.716 INFO kablam! 207 | pub unsafe extern "C" fn colorChunk(raw_config: *const c_char, raw_chunk_config: *const c_char, buffers: Buffers, total: u32) {
Oct 12 15:00:04.716 INFO kablam!     |                                                                                                                   ^^^^^ help: consider using `_total` instead
Oct 12 15:00:04.716 INFO kablam! 
Oct 12 15:00:04.864 INFO kablam! warning: method is never used: `new`
Oct 12 15:00:04.864 INFO kablam!   --> src/rs/mandelbrot.rs:82:5
Oct 12 15:00:04.864 INFO kablam!    |
Oct 12 15:00:04.865 INFO kablam! 82 |     pub fn new(min: T, max: T) -> NumberRange<T> {
Oct 12 15:00:04.865 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:00:04.865 INFO kablam!    |
Oct 12 15:00:04.866 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 15:00:04.866 INFO kablam! 
Oct 12 15:00:04.866 INFO kablam! warning: method is never used: `scale`
Oct 12 15:00:04.866 INFO kablam!   --> src/rs/mandelbrot.rs:90:5
Oct 12 15:00:04.867 INFO kablam!    |
Oct 12 15:00:04.867 INFO kablam! 90 |     pub fn scale(input: &NumberRange<T>, value: T, output: &NumberRange<T>) -> T {
Oct 12 15:00:04.867 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:00:04.868 INFO kablam! 
Oct 12 15:00:04.868 INFO kablam! warning: struct is never constructed: `Color`
Oct 12 15:00:04.868 INFO kablam!   --> src/rs/mandelbrot.rs:96:1
Oct 12 15:00:04.868 INFO kablam!    |
Oct 12 15:00:04.869 INFO kablam! 96 | struct Color {
Oct 12 15:00:04.869 INFO kablam!    | ^^^^^^^^^^^^
Oct 12 15:00:04.869 INFO kablam! 
Oct 12 15:00:04.869 INFO kablam! warning: method is never used: `black`
Oct 12 15:00:04.870 INFO kablam!    --> src/rs/mandelbrot.rs:106:5
Oct 12 15:00:04.870 INFO kablam!     |
Oct 12 15:00:04.870 INFO kablam! 106 |     pub fn black() -> &'static Color {
Oct 12 15:00:04.871 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:00:04.871 INFO kablam! 
Oct 12 15:00:04.871 INFO kablam! warning: static item is never used: `BLACK`
Oct 12 15:00:04.871 INFO kablam!    --> src/rs/mandelbrot.rs:107:9
Oct 12 15:00:04.872 INFO kablam!     |
Oct 12 15:00:04.872 INFO kablam! 107 |         static BLACK: Color = Color {red: 0, green: 0, blue: 0, alpha: 0xFF, abgr: 0};
Oct 12 15:00:04.872 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:00:04.872 INFO kablam! 
Oct 12 15:00:04.873 INFO kablam! warning: method is never used: `new`
Oct 12 15:00:04.873 INFO kablam!    --> src/rs/mandelbrot.rs:111:5
Oct 12 15:00:04.873 INFO kablam!     |
Oct 12 15:00:04.873 INFO kablam! 111 |     pub fn new(red: u8, green: u8, blue: u8, alpha: u8) -> Color {
Oct 12 15:00:04.874 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:00:04.874 INFO kablam! 
Oct 12 15:00:04.874 INFO kablam! warning: method is never used: `lerp`
Oct 12 15:00:04.875 INFO kablam!    --> src/rs/mandelbrot.rs:121:5
Oct 12 15:00:04.875 INFO kablam!     |
Oct 12 15:00:04.875 INFO kablam! 121 |     pub fn lerp(color1: &Color, color2: &Color, value: f64) -> Color {
Oct 12 15:00:04.875 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 15:00:04.876 INFO kablam! 
Oct 12 15:00:04.933 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
Oct 12 15:00:04.936 INFO kablam! su: No module specific data is present
Oct 12 15:00:05.321 INFO running `"docker" "rm" "-f" "70a1ff359be9feb88f2fd77d503907703c22924d3f56f4c31588d668c3fe3166"`
Oct 12 15:00:05.548 INFO blam! 70a1ff359be9feb88f2fd77d503907703c22924d3f56f4c31588d668c3fe3166