[INFO] updating cached repository lelandbatey/rust_buddhabrot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lelandbatey/rust_buddhabrot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lelandbatey/rust_buddhabrot" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/lelandbatey/rust_buddhabrot"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/lelandbatey/rust_buddhabrot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lelandbatey/rust_buddhabrot" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/lelandbatey/rust_buddhabrot"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/lelandbatey/rust_buddhabrot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 47fb80df605a84fd11565cf7bf2c75f0ea47994f
[INFO] sha for GitHub repo lelandbatey/rust_buddhabrot: 47fb80df605a84fd11565cf7bf2c75f0ea47994f
[INFO] validating manifest of lelandbatey/rust_buddhabrot on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of lelandbatey/rust_buddhabrot on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing lelandbatey/rust_buddhabrot
[INFO] finished frobbing lelandbatey/rust_buddhabrot
[INFO] frobbed toml for lelandbatey/rust_buddhabrot written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/lelandbatey/rust_buddhabrot/Cargo.toml
[INFO] started frobbing lelandbatey/rust_buddhabrot
[INFO] finished frobbing lelandbatey/rust_buddhabrot
[INFO] frobbed toml for lelandbatey/rust_buddhabrot written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/lelandbatey/rust_buddhabrot/Cargo.toml
[INFO] crate lelandbatey/rust_buddhabrot already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking lelandbatey/rust_buddhabrot against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-4/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/lelandbatey/rust_buddhabrot:/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b296b730ded6bd37e1f653ad40c4d2cb015101052cd0473e76c9c37028e6d9b0
[INFO] running `"docker" "start" "-a" "b296b730ded6bd37e1f653ad40c4d2cb015101052cd0473e76c9c37028e6d9b0"`
[INFO] [stderr]    Compiling rayon-core v1.0.0
[INFO] [stderr]     Checking deque v0.3.2
[INFO] [stderr]     Checking adler32 v1.0.0
[INFO] [stderr]     Checking argparse v0.2.1
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking thread-id v3.1.0
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking num-complex v0.1.37
[INFO] [stderr]     Checking gif v0.9.1
[INFO] [stderr]     Checking serde_json v1.0.2
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking thread_local v0.3.3
[INFO] [stderr]     Checking deflate v0.7.9
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking num-bigint v0.1.37
[INFO] [stderr]     Checking png v0.7.0
[INFO] [stderr]     Checking num-rational v0.1.36
[INFO] [stderr]     Checking rayon v0.7.0
[INFO] [stderr]     Checking num v0.1.37
[INFO] [stderr]     Checking jpeg-decoder v0.1.12
[INFO] [stderr]     Checking image v0.13.0
[INFO] [stderr]     Checking buddhabrot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ppm.rs:203:43
[INFO] [stderr]     |
[INFO] [stderr] 203 |     let mut scaling_funcs: Vec<(&str, Box<Fn(f64, f64) -> f64>)> = Vec::new();
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64, f64) -> f64`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/buddha.rs:168:34
[INFO] [stderr]     |
[INFO] [stderr] 168 |     let max_thread_traj = max(1, (max_trajectories / c.thread_count));
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/buddha.rs:169:53
[INFO] [stderr]     |
[INFO] [stderr] 169 |     let to_recieve: usize = min(c.trajectory_count, (max_thread_traj * c.thread_count));
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/buddha.rs:283:32
[INFO] [stderr]     |
[INFO] [stderr] 283 |                 if (traj % max((max_trajectories / 100), 1)) == 0 {
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ppm.rs:203:43
[INFO] [stderr]     |
[INFO] [stderr] 203 |     let mut scaling_funcs: Vec<(&str, Box<Fn(f64, f64) -> f64>)> = Vec::new();
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64, f64) -> f64`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/buddha.rs:168:34
[INFO] [stderr]     |
[INFO] [stderr] 168 |     let max_thread_traj = max(1, (max_trajectories / c.thread_count));
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/buddha.rs:169:53
[INFO] [stderr]     |
[INFO] [stderr] 169 |     let to_recieve: usize = min(c.trajectory_count, (max_thread_traj * c.thread_count));
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/buddha.rs:283:32
[INFO] [stderr]     |
[INFO] [stderr] 283 |                 if (traj % max((max_trajectories / 100), 1)) == 0 {
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.56s
[INFO] running `"docker" "inspect" "b296b730ded6bd37e1f653ad40c4d2cb015101052cd0473e76c9c37028e6d9b0"`
[INFO] running `"docker" "rm" "-f" "b296b730ded6bd37e1f653ad40c4d2cb015101052cd0473e76c9c37028e6d9b0"`
[INFO] [stdout] b296b730ded6bd37e1f653ad40c4d2cb015101052cd0473e76c9c37028e6d9b0