[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-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/DaOnlyOwner/l-Systems"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/DaOnlyOwner/l-Systems'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/DaOnlyOwner/l-Systems" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/DaOnlyOwner/l-Systems"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of DaOnlyOwner/l-Systems on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-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-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/DaOnlyOwner/l-Systems/Cargo.toml
[INFO] crate DaOnlyOwner/l-Systems has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing DaOnlyOwner/l-Systems against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 3b13b353dcd756219e6cbc332200395c9126e58df3d9125c112bdb594a78afc5
[INFO] running `"docker" "start" "-a" "3b13b353dcd756219e6cbc332200395c9126e58df3d9125c112bdb594a78afc5"`
[INFO] [stderr]    Compiling itertools v0.6.1
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling num-bigint v0.1.40
[INFO] [stderr]    Compiling alga v0.5.1
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling num-rational v0.1.39
[INFO] [stderr]    Compiling num v0.1.40
[INFO] [stderr]    Compiling image v0.14.0
[INFO] [stderr]    Compiling nalgebra v0.11.2
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling quickcheck v0.2.27
[INFO] [stderr]    Compiling imageproc v0.9.0
[INFO] [stderr]    Compiling 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: 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 45.31s
[INFO] running `"docker" "inspect" "3b13b353dcd756219e6cbc332200395c9126e58df3d9125c112bdb594a78afc5"`
[INFO] running `"docker" "rm" "-f" "3b13b353dcd756219e6cbc332200395c9126e58df3d9125c112bdb594a78afc5"`
[INFO] [stdout] 3b13b353dcd756219e6cbc332200395c9126e58df3d9125c112bdb594a78afc5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 48b55acbaf84ce5322e6c8ac27c28217e2710ddb919d515aa6a53f962e498c53
[INFO] running `"docker" "start" "-a" "48b55acbaf84ce5322e6c8ac27c28217e2710ddb919d515aa6a53f962e498c53"`
[INFO] [stderr]    Compiling 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: 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 1.79s
[INFO] running `"docker" "inspect" "48b55acbaf84ce5322e6c8ac27c28217e2710ddb919d515aa6a53f962e498c53"`
[INFO] running `"docker" "rm" "-f" "48b55acbaf84ce5322e6c8ac27c28217e2710ddb919d515aa6a53f962e498c53"`
[INFO] [stdout] 48b55acbaf84ce5322e6c8ac27c28217e2710ddb919d515aa6a53f962e498c53
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 68167020d3494661590498696c0f4443918782d32bddf0732f3a572a9f880283
[INFO] running `"docker" "start" "-a" "68167020d3494661590498696c0f4443918782d32bddf0732f3a572a9f880283"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/l_systems-26615dea789400c3
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "68167020d3494661590498696c0f4443918782d32bddf0732f3a572a9f880283"`
[INFO] running `"docker" "rm" "-f" "68167020d3494661590498696c0f4443918782d32bddf0732f3a572a9f880283"`
[INFO] [stdout] 68167020d3494661590498696c0f4443918782d32bddf0732f3a572a9f880283