[INFO] updating cached repository margarita-v/optimization_methods_development
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/margarita-v/optimization_methods_development
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/margarita-v/optimization_methods_development" "work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/margarita-v/optimization_methods_development"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/margarita-v/optimization_methods_development'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/margarita-v/optimization_methods_development" "work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/margarita-v/optimization_methods_development"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/margarita-v/optimization_methods_development'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1ffb3b35f434c06725c6cf4ed885b736b10bcb1b
[INFO] sha for GitHub repo margarita-v/optimization_methods_development: 1ffb3b35f434c06725c6cf4ed885b736b10bcb1b
[INFO] validating manifest of margarita-v/optimization_methods_development on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of margarita-v/optimization_methods_development on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing margarita-v/optimization_methods_development
[INFO] finished frobbing margarita-v/optimization_methods_development
[INFO] frobbed toml for margarita-v/optimization_methods_development written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/margarita-v/optimization_methods_development/Cargo.toml
[INFO] started frobbing margarita-v/optimization_methods_development
[INFO] finished frobbing margarita-v/optimization_methods_development
[INFO] frobbed toml for margarita-v/optimization_methods_development written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/margarita-v/optimization_methods_development/Cargo.toml
[INFO] crate margarita-v/optimization_methods_development already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking margarita-v/optimization_methods_development against try#f45cc3094ee337acd688771b9234318046b0572d for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-4/try#f45cc3094ee337acd688771b9234318046b0572d:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/margarita-v/optimization_methods_development:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9b6fcb60644171f5fb5120b91b33f4194eb35878c2199f7133e8d0870a5e1a15
[INFO] running `"docker" "start" "-a" "9b6fcb60644171f5fb5120b91b33f4194eb35878c2199f7133e8d0870a5e1a15"`
[INFO] [stderr]     Checking optimization_methods_development v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:25:21
[INFO] [stderr]    |
[INFO] [stderr] 25 |                 let mut result : f64;
[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/main.rs:25:21
[INFO] [stderr]    |
[INFO] [stderr] 25 |                 let mut result : f64;
[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 0.62s
[INFO] running `"docker" "inspect" "9b6fcb60644171f5fb5120b91b33f4194eb35878c2199f7133e8d0870a5e1a15"`
[INFO] running `"docker" "rm" "-f" "9b6fcb60644171f5fb5120b91b33f4194eb35878c2199f7133e8d0870a5e1a15"`
[INFO] [stdout] 9b6fcb60644171f5fb5120b91b33f4194eb35878c2199f7133e8d0870a5e1a15