[INFO] updating cached repository DaOnlyOwner/l-Systems
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/DaOnlyOwner/l-Systems
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/DaOnlyOwner/l-Systems" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/DaOnlyOwner/l-Systems"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/DaOnlyOwner/l-Systems'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/DaOnlyOwner/l-Systems" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/DaOnlyOwner/l-Systems"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/DaOnlyOwner/l-Systems'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 53565df1144d98b40635f36f90bda5f5de706373
[INFO] sha for GitHub repo DaOnlyOwner/l-Systems: 53565df1144d98b40635f36f90bda5f5de706373
[INFO] validating manifest of DaOnlyOwner/l-Systems on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of DaOnlyOwner/l-Systems on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing DaOnlyOwner/l-Systems
[INFO] finished frobbing DaOnlyOwner/l-Systems
[INFO] frobbed toml for DaOnlyOwner/l-Systems written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/DaOnlyOwner/l-Systems/Cargo.toml
[INFO] started frobbing DaOnlyOwner/l-Systems
[INFO] finished frobbing DaOnlyOwner/l-Systems
[INFO] frobbed toml for DaOnlyOwner/l-Systems written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/DaOnlyOwner/l-Systems/Cargo.toml
[INFO] crate DaOnlyOwner/l-Systems already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking DaOnlyOwner/l-Systems against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-1/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/DaOnlyOwner/l-Systems:/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1ae5af4bb93eaa6d3ee50cbb2dc00ac09a584e420076c973078f7f833a053fc9
[INFO] running `"docker" "start" "-a" "1ae5af4bb93eaa6d3ee50cbb2dc00ac09a584e420076c973078f7f833a053fc9"`
[INFO] [stderr]     Checking num-bigint v0.1.40
[INFO] [stderr]     Checking rayon v0.7.1
[INFO] [stderr]     Checking nalgebra v0.11.2
[INFO] [stderr]     Checking quickcheck v0.2.27
[INFO] [stderr]     Checking num-rational v0.1.39
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking image v0.14.0
[INFO] [stderr]     Checking imageproc v0.9.0
[INFO] [stderr]     Checking l-systems v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/main.rs:109:43
[INFO] [stderr]     |
[INFO] [stderr] 109 |     draw("S", descr,25f32, |n| f32::round((700f32 / f32::powf(2f32,n as f32))) as u32);
[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/main.rs:109:43
[INFO] [stderr]     |
[INFO] [stderr] 109 |     draw("S", descr,25f32, |n| f32::round((700f32 / f32::powf(2f32,n as f32))) as u32);
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start_symbol`
[INFO] [stderr]   --> src/main.rs:70:12
[INFO] [stderr]    |
[INFO] [stderr] 70 | fn draw<F>(start_symbol : &'static str, production_rules : HashMap<&'static str, Vec<(f32,&'static str)>>, angle_degrees : f32, scaleFn : F)
[INFO] [stderr]    |            ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_start_symbol`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `width`
[INFO] [stderr]   --> src/main.rs:51:20
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn show(&self, width:u32, height:u32)
[INFO] [stderr]    |                    ^^^^^ help: consider prefixing with an underscore: `_width`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `height`
[INFO] [stderr]   --> src/main.rs:51:31
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn show(&self, width:u32, height:u32)
[INFO] [stderr]    |                               ^^^^^^ help: consider prefixing with an underscore: `_height`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `scaleFn` should have a snake case name
[INFO] [stderr]   --> src/main.rs:70:129
[INFO] [stderr]    |
[INFO] [stderr] 70 | fn draw<F>(start_symbol : &'static str, production_rules : HashMap<&'static str, Vec<(f32,&'static str)>>, angle_degrees : f32, scaleFn : F)
[INFO] [stderr]    |                                                                                                                                 ^^^^^^^ help: convert the identifier to snake case: `scale_fn`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start_symbol`
[INFO] [stderr]   --> src/main.rs:70:12
[INFO] [stderr]    |
[INFO] [stderr] 70 | fn draw<F>(start_symbol : &'static str, production_rules : HashMap<&'static str, Vec<(f32,&'static str)>>, angle_degrees : f32, scaleFn : F)
[INFO] [stderr]    |            ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_start_symbol`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `width`
[INFO] [stderr]   --> src/main.rs:51:20
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn show(&self, width:u32, height:u32)
[INFO] [stderr]    |                    ^^^^^ help: consider prefixing with an underscore: `_width`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `height`
[INFO] [stderr]   --> src/main.rs:51:31
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn show(&self, width:u32, height:u32)
[INFO] [stderr]    |                               ^^^^^^ help: consider prefixing with an underscore: `_height`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `scaleFn` should have a snake case name
[INFO] [stderr]   --> src/main.rs:70:129
[INFO] [stderr]    |
[INFO] [stderr] 70 | fn draw<F>(start_symbol : &'static str, production_rules : HashMap<&'static str, Vec<(f32,&'static str)>>, angle_degrees : f32, scaleFn : F)
[INFO] [stderr]    |                                                                                                                                 ^^^^^^^ help: convert the identifier to snake case: `scale_fn`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.90s
[INFO] running `"docker" "inspect" "1ae5af4bb93eaa6d3ee50cbb2dc00ac09a584e420076c973078f7f833a053fc9"`
[INFO] running `"docker" "rm" "-f" "1ae5af4bb93eaa6d3ee50cbb2dc00ac09a584e420076c973078f7f833a053fc9"`
[INFO] [stdout] 1ae5af4bb93eaa6d3ee50cbb2dc00ac09a584e420076c973078f7f833a053fc9