[INFO] cloning repository https://github.com/TheSilvus/buddhabrot
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheSilvus/buddhabrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheSilvus%2Fbuddhabrot"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheSilvus%2Fbuddhabrot'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cfb5613add2f54259f36308137be4b9bc2bbda6c
[INFO] checking TheSilvus/buddhabrot against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheSilvus%2Fbuddhabrot" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TheSilvus/buddhabrot on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/TheSilvus/buddhabrot
[INFO] finished tweaking git repo https://github.com/TheSilvus/buddhabrot
[INFO] tweaked toml for git repo https://github.com/TheSilvus/buddhabrot written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/TheSilvus/buddhabrot already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8d152aaf9a789a1c203f4f7f14ccab19fb441fe4b9c15ea59c41cf81dce8f8fc
[INFO] running `"docker" "start" "-a" "8d152aaf9a789a1c203f4f7f14ccab19fb441fe4b9c15ea59c41cf81dce8f8fc"`
[INFO] [stderr]     Checking memchr v2.1.0
[INFO] [stderr]     Checking itertools-num v0.1.2
[INFO] [stderr]     Checking criterion-stats v0.2.5
[INFO] [stderr]    Compiling syn v0.15.13
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking aho-corasick v0.6.8
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking regex v1.0.5
[INFO] [stderr]     Checking csv v1.0.2
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking simplelog v0.5.3
[INFO] [stderr]     Checking rayon v1.0.2
[INFO] [stderr]     Checking handlebars v0.32.4
[INFO] [stderr]    Compiling synstructure v0.10.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]     Checking tiff v0.2.1
[INFO] [stderr]     Checking image v0.20.0
[INFO] [stderr]     Checking criterion v0.2.5
[INFO] [stderr]     Checking mandelbuddha v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::fs::OpenOptions`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::fs::OpenOptions;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/image.rs:58:39
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn map_to_image1(&self, map: &Fn(u32, u32) -> u8, color_type: file_image::ColorType) -> Image {
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u32, u32) -> u8`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/image.rs:79:39
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn map_to_image3(&self, map: &Fn(u32, u32) -> [u8; 3], color_type: file_image::ColorType) -> Image {
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u32, u32) -> [u8; 3]`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/image.rs:99:33
[INFO] [stderr]    |
[INFO] [stderr] 99 |     pub fn map(&mut self, map: &Fn(u32) -> u32) -> &mut ImageData {
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u32) -> u32`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]    --> src/main.rs:399:10
[INFO] [stderr]     |
[INFO] [stderr] 399 | fn image(config: Config) {
[INFO] [stderr]     |          ^^^^^^ help: consider prefixing with an underscore: `_config`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/image.rs:30:17
[INFO] [stderr]    |
[INFO] [stderr] 30 |         for (i, mut value) in image1.data.iter_mut().enumerate() {
[INFO] [stderr]    |                 ----^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::OpenOptions`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::fs::OpenOptions;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/image.rs:58:39
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn map_to_image1(&self, map: &Fn(u32, u32) -> u8, color_type: file_image::ColorType) -> Image {
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u32, u32) -> u8`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/image.rs:79:39
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn map_to_image3(&self, map: &Fn(u32, u32) -> [u8; 3], color_type: file_image::ColorType) -> Image {
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u32, u32) -> [u8; 3]`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/image.rs:99:33
[INFO] [stderr]    |
[INFO] [stderr] 99 |     pub fn map(&mut self, map: &Fn(u32) -> u32) -> &mut ImageData {
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(u32) -> u32`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]    --> src/main.rs:399:10
[INFO] [stderr]     |
[INFO] [stderr] 399 | fn image(config: Config) {
[INFO] [stderr]     |          ^^^^^^ help: consider prefixing with an underscore: `_config`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/image.rs:30:17
[INFO] [stderr]    |
[INFO] [stderr] 30 |         for (i, mut value) in image1.data.iter_mut().enumerate() {
[INFO] [stderr]    |                 ----^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `"docker" "inspect" "8d152aaf9a789a1c203f4f7f14ccab19fb441fe4b9c15ea59c41cf81dce8f8fc"`
[INFO] running `"docker" "rm" "-f" "8d152aaf9a789a1c203f4f7f14ccab19fb441fe4b9c15ea59c41cf81dce8f8fc"`
[INFO] [stdout] 8d152aaf9a789a1c203f4f7f14ccab19fb441fe4b9c15ea59c41cf81dce8f8fc