Dec 19 13:43:34.130 INFO checking lesguillemets/rgae against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 13:43:34.130 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/lesguillemets/rgae:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 13:43:34.342 INFO [stdout] b451ff3fcc102d39a98a60cccb030e2b29cee6d57f88a58752078fd3b3b7d9bb
Dec 19 13:43:34.344 INFO running `"docker" "start" "-a" "b451ff3fcc102d39a98a60cccb030e2b29cee6d57f88a58752078fd3b3b7d9bb"`
Dec 19 13:43:35.208 INFO [stderr]     Checking custom_derive v0.1.7
Dec 19 13:43:35.209 INFO [stderr]     Checking crossbeam-epoch v0.3.1
Dec 19 13:43:35.209 INFO [stderr]     Checking num-complex v0.1.43
Dec 19 13:43:35.209 INFO [stderr]     Checking generic-array v0.8.3
Dec 19 13:43:35.217 INFO [stderr]     Checking num-bigint v0.1.44
Dec 19 13:43:35.217 INFO [stderr]     Checking env_logger v0.5.10
Dec 19 13:43:35.218 INFO [stderr]     Checking png v0.12.0
Dec 19 13:43:35.218 INFO [stderr]     Checking rusttype v0.5.2
Dec 19 13:43:36.108 INFO [stderr]     Checking conv v0.3.3
Dec 19 13:43:36.424 INFO [stderr]     Checking crossbeam-deque v0.2.0
Dec 19 13:43:36.942 INFO [stderr]     Checking rayon-core v1.4.0
Dec 19 13:43:37.812 INFO [stderr]     Checking quickcheck v0.6.2
Dec 19 13:43:38.027 INFO [stderr]     Checking rayon v1.0.1
Dec 19 13:43:38.044 INFO [stderr]     Checking alga v0.5.4
Dec 19 13:43:39.481 INFO [stderr]     Checking num-rational v0.1.42
Dec 19 13:43:40.028 INFO [stderr]     Checking num v0.1.42
Dec 19 13:43:41.782 INFO [stderr]     Checking jpeg-decoder v0.1.15
Dec 19 13:43:42.033 INFO [stderr]     Checking nalgebra v0.13.1
Dec 19 13:43:43.051 INFO [stderr]     Checking image v0.19.0
Dec 19 13:44:09.002 INFO [stderr]     Checking imageproc v0.15.0
Dec 19 13:44:11.840 INFO [stderr]     Checking generative v0.1.0 (/opt/crater/workdir)
Dec 19 13:44:13.095 INFO [stderr] warning: function is never used: `to_colour`
Dec 19 13:44:13.095 INFO [stderr]   --> src/bin/mandelbrot.rs:69:1
Dec 19 13:44:13.095 INFO [stderr]    |
Dec 19 13:44:13.095 INFO [stderr] 69 | fn to_colour(n: u32, m: u32) -> image::Rgba<u8> {
Dec 19 13:44:13.095 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:44:13.130 INFO [stderr]    |
Dec 19 13:44:13.130 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 13:44:13.130 INFO [stderr] 
Dec 19 13:44:13.595 INFO [stderr] warning: unused import: `rand::random`
Dec 19 13:44:13.595 INFO [stderr]  --> src/bin/nebulabrot.rs:8:5
Dec 19 13:44:13.595 INFO [stderr]   |
Dec 19 13:44:13.595 INFO [stderr] 8 | use rand::random;
Dec 19 13:44:13.595 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 19 13:44:13.595 INFO [stderr]   |
Dec 19 13:44:13.595 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 13:44:13.595 INFO [stderr] 
Dec 19 13:44:13.595 INFO [stderr] warning: doc comment not used by rustdoc
Dec 19 13:44:13.595 INFO [stderr]    --> src/bin/nebulabrot.rs:113:5
Dec 19 13:44:13.595 INFO [stderr]     |
Dec 19 13:44:13.595 INFO [stderr] 113 |     /// takes a random point from (r,θ) where 0 <= r <= OUTSIDE and 0 <= θ <= pi.
Dec 19 13:44:13.595 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:44:13.595 INFO [stderr]     |
Dec 19 13:44:13.595 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Dec 19 13:44:13.595 INFO [stderr] 
Dec 19 13:44:13.740 INFO [stderr] warning: function is never used: `draw_picture_sqrt`
Dec 19 13:44:13.740 INFO [stderr]   --> src/bin/nebulabrot.rs:76:1
Dec 19 13:44:13.740 INFO [stderr]    |
Dec 19 13:44:13.740 INFO [stderr] 76 | fn draw_picture_sqrt(dat: &Vec<u32>) -> image::ImageBuffer<image::Rgba<u8>, Vec<u8>> {
Dec 19 13:44:13.740 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:44:13.740 INFO [stderr]    |
Dec 19 13:44:13.740 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 13:44:13.740 INFO [stderr] 
Dec 19 13:44:13.848 INFO [stderr] warning: unused import: `std::fs::File`
Dec 19 13:44:13.849 INFO [stderr]  --> src/main.rs:3:5
Dec 19 13:44:13.849 INFO [stderr]   |
Dec 19 13:44:13.849 INFO [stderr] 3 | use std::fs::File;
Dec 19 13:44:13.849 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 19 13:44:13.849 INFO [stderr]   |
Dec 19 13:44:13.849 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 13:44:13.849 INFO [stderr] 
Dec 19 13:44:13.849 INFO [stderr] warning: unused import: `std::path::Path`
Dec 19 13:44:13.849 INFO [stderr]  --> src/main.rs:4:5
Dec 19 13:44:13.849 INFO [stderr]   |
Dec 19 13:44:13.849 INFO [stderr] 4 | use std::path::Path;
Dec 19 13:44:13.849 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 19 13:44:13.849 INFO [stderr] 
Dec 19 13:44:13.849 INFO [stderr] warning: unused import: `image::GenericImage`
Dec 19 13:44:13.849 INFO [stderr]  --> src/main.rs:6:5
Dec 19 13:44:13.849 INFO [stderr]   |
Dec 19 13:44:13.849 INFO [stderr] 6 | use image::GenericImage;
Dec 19 13:44:13.849 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 19 13:44:13.849 INFO [stderr] 
Dec 19 13:44:13.931 INFO [stderr] warning: function is never used: `to_colour`
Dec 19 13:44:13.936 INFO [stderr]   --> src/bin/mandelbrot.rs:69:1
Dec 19 13:44:13.936 INFO [stderr]    |
Dec 19 13:44:13.936 INFO [stderr] 69 | fn to_colour(n: u32, m: u32) -> image::Rgba<u8> {
Dec 19 13:44:13.936 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:44:13.936 INFO [stderr]    |
Dec 19 13:44:13.936 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 13:44:13.936 INFO [stderr] 
Dec 19 13:44:14.180 INFO [stderr] warning: unused import: `rand::random`
Dec 19 13:44:14.180 INFO [stderr]  --> src/bin/nebulabrot.rs:8:5
Dec 19 13:44:14.180 INFO [stderr]   |
Dec 19 13:44:14.180 INFO [stderr] 8 | use rand::random;
Dec 19 13:44:14.180 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 19 13:44:14.180 INFO [stderr]   |
Dec 19 13:44:14.180 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 13:44:14.180 INFO [stderr] 
Dec 19 13:44:14.180 INFO [stderr] warning: doc comment not used by rustdoc
Dec 19 13:44:14.181 INFO [stderr]    --> src/bin/nebulabrot.rs:113:5
Dec 19 13:44:14.181 INFO [stderr]     |
Dec 19 13:44:14.181 INFO [stderr] 113 |     /// takes a random point from (r,θ) where 0 <= r <= OUTSIDE and 0 <= θ <= pi.
Dec 19 13:44:14.181 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:44:14.181 INFO [stderr]     |
Dec 19 13:44:14.181 INFO [stderr]     = note: #[warn(unused_doc_comments)] on by default
Dec 19 13:44:14.181 INFO [stderr] 
Dec 19 13:44:14.254 INFO [stderr] warning: unused import: `std::fs::File`
Dec 19 13:44:14.254 INFO [stderr]  --> src/main.rs:3:5
Dec 19 13:44:14.254 INFO [stderr]   |
Dec 19 13:44:14.254 INFO [stderr] 3 | use std::fs::File;
Dec 19 13:44:14.254 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 19 13:44:14.254 INFO [stderr]   |
Dec 19 13:44:14.254 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 13:44:14.254 INFO [stderr] 
Dec 19 13:44:14.254 INFO [stderr] warning: unused import: `std::path::Path`
Dec 19 13:44:14.254 INFO [stderr]  --> src/main.rs:4:5
Dec 19 13:44:14.254 INFO [stderr]   |
Dec 19 13:44:14.254 INFO [stderr] 4 | use std::path::Path;
Dec 19 13:44:14.254 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 19 13:44:14.254 INFO [stderr] 
Dec 19 13:44:14.254 INFO [stderr] warning: unused import: `image::GenericImage`
Dec 19 13:44:14.254 INFO [stderr]  --> src/main.rs:6:5
Dec 19 13:44:14.254 INFO [stderr]   |
Dec 19 13:44:14.254 INFO [stderr] 6 | use image::GenericImage;
Dec 19 13:44:14.254 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 19 13:44:14.254 INFO [stderr] 
Dec 19 13:44:14.351 INFO [stderr] warning: function is never used: `draw_picture_sqrt`
Dec 19 13:44:14.351 INFO [stderr]   --> src/bin/nebulabrot.rs:76:1
Dec 19 13:44:14.351 INFO [stderr]    |
Dec 19 13:44:14.351 INFO [stderr] 76 | fn draw_picture_sqrt(dat: &Vec<u32>) -> image::ImageBuffer<image::Rgba<u8>, Vec<u8>> {
Dec 19 13:44:14.351 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:44:14.351 INFO [stderr]    |
Dec 19 13:44:14.351 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 13:44:14.351 INFO [stderr] 
Dec 19 13:44:14.372 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.37s
Dec 19 13:44:15.034 INFO running `"docker" "inspect" "b451ff3fcc102d39a98a60cccb030e2b29cee6d57f88a58752078fd3b3b7d9bb"`
Dec 19 13:44:15.274 INFO running `"docker" "rm" "-f" "b451ff3fcc102d39a98a60cccb030e2b29cee6d57f88a58752078fd3b3b7d9bb"`
Dec 19 13:44:15.593 INFO [stdout] b451ff3fcc102d39a98a60cccb030e2b29cee6d57f88a58752078fd3b3b7d9bb