[INFO] updating cached repository EthanTheMaster/ik_solver
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/EthanTheMaster/ik_solver
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/EthanTheMaster/ik_solver" "work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/EthanTheMaster/ik_solver"`
[INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/EthanTheMaster/ik_solver'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/EthanTheMaster/ik_solver" "work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/EthanTheMaster/ik_solver"`
[INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/EthanTheMaster/ik_solver'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 69444746568ccaeb0bcbc5cb0f656db7f5fcd37c
[INFO] sha for GitHub repo EthanTheMaster/ik_solver: 69444746568ccaeb0bcbc5cb0f656db7f5fcd37c
[INFO] validating manifest of EthanTheMaster/ik_solver on toolchain master#589beb979c0f1a9736e02e578913db88398c3ba5
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of EthanTheMaster/ik_solver on toolchain try#42445ded8fd34235a676755cb5d079658ed51f6a
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing EthanTheMaster/ik_solver
[INFO] finished frobbing EthanTheMaster/ik_solver
[INFO] frobbed toml for EthanTheMaster/ik_solver written to work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/EthanTheMaster/ik_solver/Cargo.toml
[INFO] started frobbing EthanTheMaster/ik_solver
[INFO] finished frobbing EthanTheMaster/ik_solver
[INFO] frobbed toml for EthanTheMaster/ik_solver written to work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/EthanTheMaster/ik_solver/Cargo.toml
[INFO] crate EthanTheMaster/ik_solver already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking EthanTheMaster/ik_solver against master#589beb979c0f1a9736e02e578913db88398c3ba5 for pr-60944
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60944/worker-3/master#589beb979c0f1a9736e02e578913db88398c3ba5:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/EthanTheMaster/ik_solver:/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" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b08ae3ff759dd409a5950278da60a466cad3b3fa00f40e1fe709fbecb0691e66
[INFO] running `"docker" "start" "-a" "b08ae3ff759dd409a5950278da60a466cad3b3fa00f40e1fe709fbecb0691e66"`
[INFO] [stderr]     Checking serde v1.0.42
[INFO] [stderr]    Compiling x11-dl v2.17.5
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]    Compiling gl_generator v0.5.5
[INFO] [stderr]     Checking png v0.9.0
[INFO] [stderr]    Compiling gl v0.6.5
[INFO] [stderr]    Compiling serde_derive v1.0.42
[INFO] [stderr]     Checking rulinalg v0.4.2
[INFO] [stderr]     Checking wayland-window v0.7.0
[INFO] [stderr]     Checking image v0.15.0
[INFO] [stderr]    Compiling glutin v0.9.2
[INFO] [stderr]     Checking piston-gfx_texture v0.26.0
[INFO] [stderr]     Checking winit v0.7.6
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.43.0
[INFO] [stderr]     Checking pistoncore-input v0.19.0
[INFO] [stderr]     Checking pistoncore-window v0.28.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.33.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.39.1
[INFO] [stderr]     Checking piston v0.33.0
[INFO] [stderr]     Checking piston_window v0.70.0
[INFO] [stderr]     Checking ik_solver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `delta_angles` is never read
[INFO] [stderr]    --> src/ik.rs:105:21
[INFO] [stderr]     |
[INFO] [stderr] 105 |             let mut delta_angles: Matrix<f64> = Matrix::new(0,0,vec![]);
[INFO] [stderr]     |                     ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `last_position` is never read
[INFO] [stderr]    --> src/ik.rs:106:21
[INFO] [stderr]     |
[INFO] [stderr] 106 |             let mut last_position: Matrix<f64> = Matrix::new(0,0,vec![]);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `create_path`
[INFO] [stderr]    --> src/ik.rs:150:5
[INFO] [stderr]     |
[INFO] [stderr] 150 |     pub fn create_path(&mut self, goal: &Matrix<f64>, window: &mut PistonWindow, windows_settings: &RenderWindow) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `delta_angles` is never read
[INFO] [stderr]    --> src/ik.rs:105:21
[INFO] [stderr]     |
[INFO] [stderr] 105 |             let mut delta_angles: Matrix<f64> = Matrix::new(0,0,vec![]);
[INFO] [stderr]     |                     ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `last_position` is never read
[INFO] [stderr]    --> src/ik.rs:106:21
[INFO] [stderr]     |
[INFO] [stderr] 106 |             let mut last_position: Matrix<f64> = Matrix::new(0,0,vec![]);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `create_path`
[INFO] [stderr]    --> src/ik.rs:150:5
[INFO] [stderr]     |
[INFO] [stderr] 150 |     pub fn create_path(&mut self, goal: &Matrix<f64>, window: &mut PistonWindow, windows_settings: &RenderWindow) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.00s
[INFO] running `"docker" "inspect" "b08ae3ff759dd409a5950278da60a466cad3b3fa00f40e1fe709fbecb0691e66"`
[INFO] running `"docker" "rm" "-f" "b08ae3ff759dd409a5950278da60a466cad3b3fa00f40e1fe709fbecb0691e66"`
[INFO] [stdout] b08ae3ff759dd409a5950278da60a466cad3b3fa00f40e1fe709fbecb0691e66