[INFO] cloning repository https://github.com/Tuxinet/mandlerust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Tuxinet/mandlerust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTuxinet%2Fmandlerust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTuxinet%2Fmandlerust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae36497ebe5f29df5b9d597ccadf200e9262faaf
[INFO] testing Tuxinet/mandlerust against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTuxinet%2Fmandlerust" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Tuxinet/mandlerust on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Tuxinet/mandlerust
[INFO] finished tweaking git repo https://github.com/Tuxinet/mandlerust
[INFO] tweaked toml for git repo https://github.com/Tuxinet/mandlerust written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/Tuxinet/mandlerust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (gmp-mpfr-sys) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded indicatif v0.13.0
[INFO] [stderr]   Downloaded owning_ref v0.2.4
[INFO] [stderr]   Downloaded smallvec v0.3.4
[INFO] [stderr]   Downloaded parking_lot v0.3.8
[INFO] [stderr]   Downloaded multiqueue v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f5003eed0c7016fc627d7651f3cff38ef1330a2916387842af6e969c5dc6590
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6f5003eed0c7016fc627d7651f3cff38ef1330a2916387842af6e969c5dc6590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f5003eed0c7016fc627d7651f3cff38ef1330a2916387842af6e969c5dc6590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f5003eed0c7016fc627d7651f3cff38ef1330a2916387842af6e969c5dc6590", kill_on_drop: false }`
[INFO] [stdout] 6f5003eed0c7016fc627d7651f3cff38ef1330a2916387842af6e969c5dc6590
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee361fc0c0c2889e68778f24414dc11ac97896510a525998118bd3843afec5fb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ee361fc0c0c2889e68778f24414dc11ac97896510a525998118bd3843afec5fb", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (gmp-mpfr-sys) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling rayon-core v1.6.1
[INFO] [stderr]    Compiling rug v1.6.0
[INFO] [stderr]    Compiling owning_ref v0.2.4
[INFO] [stderr]    Compiling smallvec v0.3.4
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling termios v0.3.1
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling clicolors-control v1.0.1
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling png v0.15.2
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling palette_derive v0.5.0
[INFO] [stderr]    Compiling console v0.9.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling parking_lot v0.3.8
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.1.14
[INFO] [stderr]    Compiling multiqueue v0.3.2
[INFO] [stderr]    Compiling indicatif v0.13.0
[INFO] [stderr]    Compiling rayon v1.2.1
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling palette v0.5.0
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling tiff v0.3.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.18
[INFO] [stderr]    Compiling image v0.22.3
[INFO] [stderr]    Compiling mandlerust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Hsv`
[INFO] [stdout]  --> src/main.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | use palette::{Hsv};
[INFO] [stdout]   |               ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `image::ColorType`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use image::ColorType;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `image::ImageRgb8`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use image::ImageRgb8;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `image::png::PNGEncoder`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use image::png::PNGEncoder;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::fs::File;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rug::float::Round`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use rug::float::Round;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::Ordering`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::cmp::Ordering;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `GenericImageView`, `GenericImage`, `RGB`
[INFO] [stdout]    --> src/main.rs:161:13
[INFO] [stdout]     |
[INFO] [stdout] 161 | use image::{GenericImage, GenericImageView, ImageBuffer, RgbImage, RGB};
[INFO] [stdout]     |             ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filename`
[INFO] [stdout]    --> src/main.rs:205:16
[INFO] [stdout]     |
[INFO] [stdout] 205 | fn write_image(filename: &str, pixels: &[u8], bounds: (usize, usize))
[INFO] [stdout]     |                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bounds`
[INFO] [stdout]    --> src/main.rs:205:47
[INFO] [stdout]     |
[INFO] [stdout] 205 | fn write_image(filename: &str, pixels: &[u8], bounds: (usize, usize))
[INFO] [stdout]     |                                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_bounds`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `iterations`
[INFO] [stdout]    --> src/main.rs:225:18
[INFO] [stdout]     |
[INFO] [stdout] 225 | fn iter_to_color(iterations: &Vec<u32>, iter: u32, iter_smooth: &Vec<f32>, histogram: &Vec<u32>, idx: usize) -> (u8, u8, u8) {
[INFO] [stdout]     |                  ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_iterations`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `old_z` is never read
[INFO] [stdout]    --> src/main.rs:274:9
[INFO] [stdout]     |
[INFO] [stdout] 274 |     let mut old_z = z.clone();
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_pixel_order`
[INFO] [stdout]   --> src/main.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn get_pixel_order() -> Vec<u32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `radX` should have a snake case name
[INFO] [stdout]   --> src/main.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let radX = Float::parse_radix(COORDS.0, BASE);
[INFO] [stdout]    |         ^^^^ help: convert the identifier to snake case: `rad_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `floatX` should have a snake case name
[INFO] [stdout]   --> src/main.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let floatX = Float::with_val(PREC, radX.unwrap());
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case: `float_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `radY` should have a snake case name
[INFO] [stdout]   --> src/main.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let radY = Float::parse_radix(COORDS.1, BASE);
[INFO] [stdout]    |         ^^^^ help: convert the identifier to snake case: `rad_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `floatY` should have a snake case name
[INFO] [stdout]   --> src/main.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let floatY = Float::with_val(PREC, radY.unwrap());
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case: `float_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `radS` should have a snake case name
[INFO] [stdout]   --> src/main.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let radS = Float::parse_radix(SIZE_STR, BASE);
[INFO] [stdout]    |         ^^^^ help: convert the identifier to snake case: `rad_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 41s
[INFO] running `Command { std: "docker" "inspect" "ee361fc0c0c2889e68778f24414dc11ac97896510a525998118bd3843afec5fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee361fc0c0c2889e68778f24414dc11ac97896510a525998118bd3843afec5fb", kill_on_drop: false }`
[INFO] [stdout] ee361fc0c0c2889e68778f24414dc11ac97896510a525998118bd3843afec5fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31b592525ddc3eb31fd99685bf967623abe8e747400340f7fc770ea14a685db6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "31b592525ddc3eb31fd99685bf967623abe8e747400340f7fc770ea14a685db6", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (gmp-mpfr-sys) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling mandlerust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Hsv`
[INFO] [stdout]  --> src/main.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | use palette::{Hsv};
[INFO] [stdout]   |               ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `image::ColorType`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use image::ColorType;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `image::ImageRgb8`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use image::ImageRgb8;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `image::png::PNGEncoder`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use image::png::PNGEncoder;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::fs::File;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rug::float::Round`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use rug::float::Round;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::Ordering`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::cmp::Ordering;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `GenericImageView`, `GenericImage`, `RGB`
[INFO] [stdout]    --> src/main.rs:161:13
[INFO] [stdout]     |
[INFO] [stdout] 161 | use image::{GenericImage, GenericImageView, ImageBuffer, RgbImage, RGB};
[INFO] [stdout]     |             ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filename`
[INFO] [stdout]    --> src/main.rs:205:16
[INFO] [stdout]     |
[INFO] [stdout] 205 | fn write_image(filename: &str, pixels: &[u8], bounds: (usize, usize))
[INFO] [stdout]     |                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bounds`
[INFO] [stdout]    --> src/main.rs:205:47
[INFO] [stdout]     |
[INFO] [stdout] 205 | fn write_image(filename: &str, pixels: &[u8], bounds: (usize, usize))
[INFO] [stdout]     |                                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_bounds`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `iterations`
[INFO] [stdout]    --> src/main.rs:225:18
[INFO] [stdout]     |
[INFO] [stdout] 225 | fn iter_to_color(iterations: &Vec<u32>, iter: u32, iter_smooth: &Vec<f32>, histogram: &Vec<u32>, idx: usize) -> (u8, u8, u8) {
[INFO] [stdout]     |                  ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_iterations`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `old_z` is never read
[INFO] [stdout]    --> src/main.rs:274:9
[INFO] [stdout]     |
[INFO] [stdout] 274 |     let mut old_z = z.clone();
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_pixel_order`
[INFO] [stdout]   --> src/main.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn get_pixel_order() -> Vec<u32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `radX` should have a snake case name
[INFO] [stdout]   --> src/main.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let radX = Float::parse_radix(COORDS.0, BASE);
[INFO] [stdout]    |         ^^^^ help: convert the identifier to snake case: `rad_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `floatX` should have a snake case name
[INFO] [stdout]   --> src/main.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let floatX = Float::with_val(PREC, radX.unwrap());
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case: `float_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `radY` should have a snake case name
[INFO] [stdout]   --> src/main.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let radY = Float::parse_radix(COORDS.1, BASE);
[INFO] [stdout]    |         ^^^^ help: convert the identifier to snake case: `rad_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `floatY` should have a snake case name
[INFO] [stdout]   --> src/main.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let floatY = Float::with_val(PREC, radY.unwrap());
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case: `float_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `radS` should have a snake case name
[INFO] [stdout]   --> src/main.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let radS = Float::parse_radix(SIZE_STR, BASE);
[INFO] [stdout]    |         ^^^^ help: convert the identifier to snake case: `rad_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "31b592525ddc3eb31fd99685bf967623abe8e747400340f7fc770ea14a685db6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31b592525ddc3eb31fd99685bf967623abe8e747400340f7fc770ea14a685db6", kill_on_drop: false }`
[INFO] [stdout] 31b592525ddc3eb31fd99685bf967623abe8e747400340f7fc770ea14a685db6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e5b24ddcf4484a5aa07ebfb35a842201ce3a53d9590f2b328be041a3d7722731
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e5b24ddcf4484a5aa07ebfb35a842201ce3a53d9590f2b328be041a3d7722731", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (gmp-mpfr-sys) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: unused import: `Hsv`
[INFO] [stderr]  --> src/main.rs:7:15
[INFO] [stderr]   |
[INFO] [stderr] 7 | use palette::{Hsv};
[INFO] [stderr]   |               ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `image::ColorType`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use image::ColorType;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `image::ImageRgb8`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use image::ImageRgb8;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `image::png::PNGEncoder`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use image::png::PNGEncoder;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::fs::File;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rug::float::Round`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use rug::float::Round;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp::Ordering`
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use std::cmp::Ordering;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `GenericImageView`, `GenericImage`, `RGB`
[INFO] [stderr]    --> src/main.rs:161:13
[INFO] [stderr]     |
[INFO] [stderr] 161 | use image::{GenericImage, GenericImageView, ImageBuffer, RgbImage, RGB};
[INFO] [stderr]     |             ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `filename`
[INFO] [stderr]    --> src/main.rs:205:16
[INFO] [stderr]     |
[INFO] [stderr] 205 | fn write_image(filename: &str, pixels: &[u8], bounds: (usize, usize))
[INFO] [stderr]     |                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bounds`
[INFO] [stderr]    --> src/main.rs:205:47
[INFO] [stderr]     |
[INFO] [stderr] 205 | fn write_image(filename: &str, pixels: &[u8], bounds: (usize, usize))
[INFO] [stderr]     |                                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_bounds`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `iterations`
[INFO] [stderr]    --> src/main.rs:225:18
[INFO] [stderr]     |
[INFO] [stderr] 225 | fn iter_to_color(iterations: &Vec<u32>, iter: u32, iter_smooth: &Vec<f32>, histogram: &Vec<u32>, idx: usize) -> (u8, u8, u8) {
[INFO] [stderr]     |                  ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_iterations`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `old_z` is never read
[INFO] [stderr]    --> src/main.rs:274:9
[INFO] [stderr]     |
[INFO] [stderr] 274 |     let mut old_z = z.clone();
[INFO] [stderr]     |         ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_pixel_order`
[INFO] [stderr]   --> src/main.rs:31:4
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn get_pixel_order() -> Vec<u32> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `radX` should have a snake case name
[INFO] [stderr]   --> src/main.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let radX = Float::parse_radix(COORDS.0, BASE);
[INFO] [stderr]    |         ^^^^ help: convert the identifier to snake case: `rad_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `floatX` should have a snake case name
[INFO] [stderr]   --> src/main.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |     let floatX = Float::with_val(PREC, radX.unwrap());
[INFO] [stderr]    |         ^^^^^^ help: convert the identifier to snake case: `float_x`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `radY` should have a snake case name
[INFO] [stderr]   --> src/main.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |     let radY = Float::parse_radix(COORDS.1, BASE);
[INFO] [stderr]    |         ^^^^ help: convert the identifier to snake case: `rad_y`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `floatY` should have a snake case name
[INFO] [stderr]   --> src/main.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let floatY = Float::with_val(PREC, radY.unwrap());
[INFO] [stderr]    |         ^^^^^^ help: convert the identifier to snake case: `float_y`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `radS` should have a snake case name
[INFO] [stderr]   --> src/main.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 |     let radS = Float::parse_radix(SIZE_STR, BASE);
[INFO] [stderr]    |         ^^^^ help: convert the identifier to snake case: `rad_s`
[INFO] [stderr] 
[INFO] [stderr] warning: 18 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mandlerust-01dc39ad3adb2be2
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e5b24ddcf4484a5aa07ebfb35a842201ce3a53d9590f2b328be041a3d7722731", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5b24ddcf4484a5aa07ebfb35a842201ce3a53d9590f2b328be041a3d7722731", kill_on_drop: false }`
[INFO] [stdout] e5b24ddcf4484a5aa07ebfb35a842201ce3a53d9590f2b328be041a3d7722731