[INFO] updating cached repository bug00r/math-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bug00r/math-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bug00r/math-rust" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/bug00r/math-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/bug00r/math-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bug00r/math-rust" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/bug00r/math-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/bug00r/math-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7fe96ca712c07c720e05798e519a31495fc0c6f3
[INFO] sha for GitHub repo bug00r/math-rust: 7fe96ca712c07c720e05798e519a31495fc0c6f3
[INFO] validating manifest of bug00r/math-rust 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 bug00r/math-rust 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 bug00r/math-rust
[INFO] finished frobbing bug00r/math-rust
[INFO] frobbed toml for bug00r/math-rust written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/bug00r/math-rust/Cargo.toml
[INFO] started frobbing bug00r/math-rust
[INFO] finished frobbing bug00r/math-rust
[INFO] frobbed toml for bug00r/math-rust written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/bug00r/math-rust/Cargo.toml
[INFO] crate bug00r/math-rust 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 bug00r/math-rust against try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-3/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/bug00r/math-rust:/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" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 79c6ec5cfe250c436ef2ffb438414bb524e896e465519ce3fabaea3154ac6443
[INFO] running `"docker" "start" "-a" "79c6ec5cfe250c436ef2ffb438414bb524e896e465519ce3fabaea3154ac6443"`
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]     Checking num-complex v0.2.0
[INFO] [stderr]     Checking math v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `num_complex::*`
[INFO] [stderr]  --> src/utils/utils_test.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use num_complex::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `num_complex::*`
[INFO] [stderr]  --> src/algorithm/fractals/julia_test.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use num_complex::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/algorithm/noise/core.rs:209:8
[INFO] [stderr]     |
[INFO] [stderr] 209 |             let mut noiseval = interpolate_lin(fref, noise.min, 0., noise.max, 1.)*factor;
[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: variable does not need to be mutable
[INFO] [stderr]    --> src/algorithm/noise/core.rs:209:8
[INFO] [stderr]     |
[INFO] [stderr] 209 |             let mut noiseval = interpolate_lin(fref, noise.min, 0., noise.max, 1.)*factor;
[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 6.36s
[INFO] running `"docker" "inspect" "79c6ec5cfe250c436ef2ffb438414bb524e896e465519ce3fabaea3154ac6443"`
[INFO] running `"docker" "rm" "-f" "79c6ec5cfe250c436ef2ffb438414bb524e896e465519ce3fabaea3154ac6443"`
[INFO] [stdout] 79c6ec5cfe250c436ef2ffb438414bb524e896e465519ce3fabaea3154ac6443