[INFO] crate xc2par 0.0.1 is already in cache
[INFO] extracting crate xc2par 0.0.1 into work/ex/clippy-test-run/sources/stable/reg/xc2par/0.0.1
[INFO] extracting crate xc2par 0.0.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/xc2par/0.0.1
[INFO] validating manifest of xc2par-0.0.1 on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of xc2par-0.0.1 on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing xc2par-0.0.1
[INFO] finished frobbing xc2par-0.0.1
[INFO] frobbed toml for xc2par-0.0.1 written to work/ex/clippy-test-run/sources/stable/reg/xc2par/0.0.1/Cargo.toml
[INFO] started frobbing xc2par-0.0.1
[INFO] finished frobbing xc2par-0.0.1
[INFO] frobbed toml for xc2par-0.0.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/xc2par/0.0.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting xc2par-0.0.1 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/xc2par/0.0.1:/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" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1a0357cb7b89475c3bdf91ed3f59f3a7dfc409a021fcda5e79707bd95ba631ea
[INFO] running `"docker" "start" "-a" "1a0357cb7b89475c3bdf91ed3f59f3a7dfc409a021fcda5e79707bd95ba631ea"`
[INFO] [stderr]    Compiling xc2bit v0.0.3
[INFO] [stderr]     Checking jedec v0.0.2
[INFO] [stderr]    Compiling xc2par v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]     Checking yosys-netlist-json v0.0.2
[INFO] [stderr]     Checking slog-scope v4.1.1
[INFO] [stderr]     Checking slog-term v2.4.0
[INFO] [stderr]     Checking slog-stdlog v3.0.2
[INFO] [stderr]    Compiling bittwiddler v0.0.1
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/objpool.rs:87:28
[INFO] [stderr]    |
[INFO] [stderr] 87 |         ObjPoolIndex::<T> {i: i, type_marker: PhantomData}
[INFO] [stderr]    |                            ^^^^ help: replace it with: `i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/objpool.rs:132:28
[INFO] [stderr]     |
[INFO] [stderr] 132 |         ObjPoolIndex::<T> {i: i, type_marker: PhantomData}
[INFO] [stderr]     |                            ^^^^ help: replace it with: `i`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/objpool.rs:87:28
[INFO] [stderr]    |
[INFO] [stderr] 87 |         ObjPoolIndex::<T> {i: i, type_marker: PhantomData}
[INFO] [stderr]    |                            ^^^^ help: replace it with: `i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/objpool.rs:132:28
[INFO] [stderr]     |
[INFO] [stderr] 132 |         ObjPoolIndex::<T> {i: i, type_marker: PhantomData}
[INFO] [stderr]     |                            ^^^^ help: replace it with: `i`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/frontend.rs:462:17
[INFO] [stderr]     |
[INFO] [stderr] 462 |                 return Ok(result);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(result)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/frontend.rs:482:17
[INFO] [stderr]     |
[INFO] [stderr] 482 |                 return Ok(Some(result));
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(Some(result))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/frontend.rs:504:17
[INFO] [stderr]     |
[INFO] [stderr] 504 |                 return Ok(result);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(result)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/engine.rs:678:9
[INFO] [stderr]     |
[INFO] [stderr] 678 |         return false;
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: remove `return` as shown: `false`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/engine.rs:882:9
[INFO] [stderr]     |
[INFO] [stderr] 882 |         return false;
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: remove `return` as shown: `false`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]     --> src/engine.rs:1276:16
[INFO] [stderr]      |
[INFO] [stderr] 1276 |           } else {
[INFO] [stderr]      |  ________________^
[INFO] [stderr] 1277 | |             if let PARMCAssignment::MC(mc_idx) = macrocell_placement[move_fb as usize][move_mc as usize].1 {
[INFO] [stderr] 1278 | |                 mc_idx
[INFO] [stderr] 1279 | |             } else {
[INFO] [stderr] 1280 | |                 unreachable!();
[INFO] [stderr] 1281 | |             }
[INFO] [stderr] 1282 | |         };
[INFO] [stderr]      | |_________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]      |
[INFO] [stderr] 1276 |         } else if let PARMCAssignment::MC(mc_idx) = macrocell_placement[move_fb as usize][move_mc as usize].1 {
[INFO] [stderr] 1277 |     mc_idx
[INFO] [stderr] 1278 | } else {
[INFO] [stderr] 1279 |     unreachable!();
[INFO] [stderr] 1280 | };
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/frontend.rs:462:17
[INFO] [stderr]     |
[INFO] [stderr] 462 |                 return Ok(result);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(result)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/frontend.rs:482:17
[INFO] [stderr]     |
[INFO] [stderr] 482 |                 return Ok(Some(result));
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(Some(result))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/frontend.rs:504:17
[INFO] [stderr]     |
[INFO] [stderr] 504 |                 return Ok(result);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(result)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/netlist.rs:238:16
[INFO] [stderr]     |
[INFO] [stderr] 238 |           } else {
[INFO] [stderr]     |  ________________^
[INFO] [stderr] 239 | |             if self.reg_bits.is_some() {
[INFO] [stderr] 240 | |                 InputGraphMacrocellType::BuriedReg
[INFO] [stderr] 241 | |             } else {
[INFO] [stderr] 242 | |                 InputGraphMacrocellType::BuriedComb
[INFO] [stderr] 243 | |             }
[INFO] [stderr] 244 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 238 |         } else if self.reg_bits.is_some() {
[INFO] [stderr] 239 |     InputGraphMacrocellType::BuriedReg
[INFO] [stderr] 240 | } else {
[INFO] [stderr] 241 |     InputGraphMacrocellType::BuriedComb
[INFO] [stderr] 242 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/netlist.rs:231:20
[INFO] [stderr]     |
[INFO] [stderr] 231 |               } else {
[INFO] [stderr]     |  ____________________^
[INFO] [stderr] 232 | |                 if self.reg_bits.is_some() {
[INFO] [stderr] 233 | |                     InputGraphMacrocellType::PinInputReg
[INFO] [stderr] 234 | |                 } else {
[INFO] [stderr] 235 | |                     InputGraphMacrocellType::PinInputUnreg
[INFO] [stderr] 236 | |                 }
[INFO] [stderr] 237 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 231 |             } else if self.reg_bits.is_some() {
[INFO] [stderr] 232 |     InputGraphMacrocellType::PinInputReg
[INFO] [stderr] 233 | } else {
[INFO] [stderr] 234 |     InputGraphMacrocellType::PinInputUnreg
[INFO] [stderr] 235 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/netlist.rs:301:16
[INFO] [stderr]     |
[INFO] [stderr] 301 |           } else {
[INFO] [stderr]     |  ________________^
[INFO] [stderr] 302 | |             if old_.i.is_none() {
[INFO] [stderr] 303 | |                 Ok(additional)
[INFO] [stderr] 304 | |             } else if new.i.is_none() {
[INFO] [stderr] ...   |
[INFO] [stderr] 318 | |             }
[INFO] [stderr] 319 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 301 |         } else if old_.i.is_none() {
[INFO] [stderr] 302 |     Ok(additional)
[INFO] [stderr] 303 | } else if new.i.is_none() {
[INFO] [stderr] 304 |     Ok(old)
[INFO] [stderr] 305 | } else {
[INFO] [stderr] 306 |     let old_i = old_.i.unwrap();
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/netlist.rs:552:36
[INFO] [stderr]     |
[INFO] [stderr] 552 |                               } else {
[INFO] [stderr]     |  ____________________________________^
[INFO] [stderr] 553 | |                                 if old_input.is_some() && old_input.unwrap() == s.g.vss_net {
[INFO] [stderr] 554 | |                                     Some(InputGraphIOOEType::OpenDrain)
[INFO] [stderr] 555 | |                                 } else {
[INFO] [stderr] ...   |
[INFO] [stderr] 567 | |                                 }
[INFO] [stderr] 568 | |                             }
[INFO] [stderr]     | |_____________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 552 |                             } else if old_input.is_some() && old_input.unwrap() == s.g.vss_net {
[INFO] [stderr] 553 |     Some(InputGraphIOOEType::OpenDrain)
[INFO] [stderr] 554 | } else {
[INFO] [stderr] 555 |     let oe_n = s.g.nets.get(oe.unwrap()).source.unwrap();
[INFO] [stderr] 556 |     let oe_newg_n = process_one_intermed_node(s, oe_n, logger)?;
[INFO] [stderr] 557 |     Some(match oe_newg_n {
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/engine.rs:678:9
[INFO] [stderr]     |
[INFO] [stderr] 678 |         return false;
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: remove `return` as shown: `false`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/engine.rs:882:9
[INFO] [stderr]     |
[INFO] [stderr] 882 |         return false;
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: remove `return` as shown: `false`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]     --> src/netlist.rs:1209:21
[INFO] [stderr]      |
[INFO] [stderr] 1209 |                     new_pterm
[INFO] [stderr]      |                     ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 1218 |                         xor.andterm_input = Some(clone_pterm!(pterm));
[INFO] [stderr]      |                                                  ------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]     --> src/netlist.rs:1208:37
[INFO] [stderr]      |
[INFO] [stderr] 1208 |                     let new_pterm = self.pterms.insert(cloned_pterm);
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 1218 |                         xor.andterm_input = Some(clone_pterm!(pterm));
[INFO] [stderr]      |                                                  ------------------- in this macro invocation
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]     --> src/netlist.rs:1209:21
[INFO] [stderr]      |
[INFO] [stderr] 1209 |                     new_pterm
[INFO] [stderr]      |                     ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 1226 |                         xor.orterm_inputs[i] = clone_pterm!(pterm);
[INFO] [stderr]      |                                                ------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]     --> src/netlist.rs:1208:37
[INFO] [stderr]      |
[INFO] [stderr] 1208 |                     let new_pterm = self.pterms.insert(cloned_pterm);
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 1226 |                         xor.orterm_inputs[i] = clone_pterm!(pterm);
[INFO] [stderr]      |                                                ------------------- in this macro invocation
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]     --> src/netlist.rs:1209:21
[INFO] [stderr]      |
[INFO] [stderr] 1209 |                     new_pterm
[INFO] [stderr]      |                     ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 1237 |                         reg.ce_input = Some(clone_pterm!(pterm));
[INFO] [stderr]      |                                             ------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]     --> src/netlist.rs:1208:37
[INFO] [stderr]      |
[INFO] [stderr] 1208 |                     let new_pterm = self.pterms.insert(cloned_pterm);
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 1237 |                         reg.ce_input = Some(clone_pterm!(pterm));
[INFO] [stderr]      |                                             ------------------- in this macro invocation
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]     --> src/netlist.rs:1209:21
[INFO] [stderr]      |
[INFO] [stderr] 1209 |                     new_pterm
[INFO] [stderr]      |                     ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 1244 |                         reg.clk_input = InputGraphRegClockType::PTerm(clone_pterm!(pterm));
[INFO] [stderr]      |                                                                       ------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]     --> src/netlist.rs:1208:37
[INFO] [stderr]      |
[INFO] [stderr] 1208 |                     let new_pterm = self.pterms.insert(cloned_pterm);
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 1244 |                         reg.clk_input = InputGraphRegClockType::PTerm(clone_pterm!(pterm));
[INFO] [stderr]      |                                                                       ------------------- in this macro invocation
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]     --> src/netlist.rs:1209:21
[INFO] [stderr]      |
[INFO] [stderr] 1209 |                     new_pterm
[INFO] [stderr]      |                     ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 1251 |                         reg.set_input = Some(InputGraphRegRSType::PTerm(clone_pterm!(pterm)));
[INFO] [stderr]      |                                                                         ------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]     --> src/netlist.rs:1208:37
[INFO] [stderr]      |
[INFO] [stderr] 1208 |                     let new_pterm = self.pterms.insert(cloned_pterm);
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 1251 |                         reg.set_input = Some(InputGraphRegRSType::PTerm(clone_pterm!(pterm)));
[INFO] [stderr]      |                                                                         ------------------- in this macro invocation
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]     --> src/netlist.rs:1209:21
[INFO] [stderr]      |
[INFO] [stderr] 1209 |                     new_pterm
[INFO] [stderr]      |                     ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 1258 |                         reg.reset_input = Some(InputGraphRegRSType::PTerm(clone_pterm!(pterm)));
[INFO] [stderr]      |                                                                           ------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]     --> src/netlist.rs:1208:37
[INFO] [stderr]      |
[INFO] [stderr] 1208 |                     let new_pterm = self.pterms.insert(cloned_pterm);
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 1258 |                         reg.reset_input = Some(InputGraphRegRSType::PTerm(clone_pterm!(pterm)));
[INFO] [stderr]      |                                                                           ------------------- in this macro invocation
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]     --> src/netlist.rs:1209:21
[INFO] [stderr]      |
[INFO] [stderr] 1209 |                     new_pterm
[INFO] [stderr]      |                     ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 1269 |                         io.oe = Some(InputGraphIOOEType::PTerm(clone_pterm!(pterm)));
[INFO] [stderr]      |                                                                ------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]     --> src/netlist.rs:1208:37
[INFO] [stderr]      |
[INFO] [stderr] 1208 |                     let new_pterm = self.pterms.insert(cloned_pterm);
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 1269 |                         io.oe = Some(InputGraphIOOEType::PTerm(clone_pterm!(pterm)));
[INFO] [stderr]      |                                                                ------------------- in this macro invocation
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]     --> src/engine.rs:1276:16
[INFO] [stderr]      |
[INFO] [stderr] 1276 |           } else {
[INFO] [stderr]      |  ________________^
[INFO] [stderr] 1277 | |             if let PARMCAssignment::MC(mc_idx) = macrocell_placement[move_fb as usize][move_mc as usize].1 {
[INFO] [stderr] 1278 | |                 mc_idx
[INFO] [stderr] 1279 | |             } else {
[INFO] [stderr] 1280 | |                 unreachable!();
[INFO] [stderr] 1281 | |             }
[INFO] [stderr] 1282 | |         };
[INFO] [stderr]      | |_________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]      |
[INFO] [stderr] 1276 |         } else if let PARMCAssignment::MC(mc_idx) = macrocell_placement[move_fb as usize][move_mc as usize].1 {
[INFO] [stderr] 1277 |     mc_idx
[INFO] [stderr] 1278 | } else {
[INFO] [stderr] 1279 |     unreachable!();
[INFO] [stderr] 1280 | };
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/netlist.rs:238:16
[INFO] [stderr]     |
[INFO] [stderr] 238 |           } else {
[INFO] [stderr]     |  ________________^
[INFO] [stderr] 239 | |             if self.reg_bits.is_some() {
[INFO] [stderr] 240 | |                 InputGraphMacrocellType::BuriedReg
[INFO] [stderr] 241 | |             } else {
[INFO] [stderr] 242 | |                 InputGraphMacrocellType::BuriedComb
[INFO] [stderr] 243 | |             }
[INFO] [stderr] 244 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 238 |         } else if self.reg_bits.is_some() {
[INFO] [stderr] 239 |     InputGraphMacrocellType::BuriedReg
[INFO] [stderr] 240 | } else {
[INFO] [stderr] 241 |     InputGraphMacrocellType::BuriedComb
[INFO] [stderr] 242 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/netlist.rs:231:20
[INFO] [stderr]     |
[INFO] [stderr] 231 |               } else {
[INFO] [stderr]     |  ____________________^
[INFO] [stderr] 232 | |                 if self.reg_bits.is_some() {
[INFO] [stderr] 233 | |                     InputGraphMacrocellType::PinInputReg
[INFO] [stderr] 234 | |                 } else {
[INFO] [stderr] 235 | |                     InputGraphMacrocellType::PinInputUnreg
[INFO] [stderr] 236 | |                 }
[INFO] [stderr] 237 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 231 |             } else if self.reg_bits.is_some() {
[INFO] [stderr] 232 |     InputGraphMacrocellType::PinInputReg
[INFO] [stderr] 233 | } else {
[INFO] [stderr] 234 |     InputGraphMacrocellType::PinInputUnreg
[INFO] [stderr] 235 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/netlist.rs:301:16
[INFO] [stderr]     |
[INFO] [stderr] 301 |           } else {
[INFO] [stderr]     |  ________________^
[INFO] [stderr] 302 | |             if old_.i.is_none() {
[INFO] [stderr] 303 | |                 Ok(additional)
[INFO] [stderr] 304 | |             } else if new.i.is_none() {
[INFO] [stderr] ...   |
[INFO] [stderr] 318 | |             }
[INFO] [stderr] 319 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 301 |         } else if old_.i.is_none() {
[INFO] [stderr] 302 |     Ok(additional)
[INFO] [stderr] 303 | } else if new.i.is_none() {
[INFO] [stderr] 304 |     Ok(old)
[INFO] [stderr] 305 | } else {
[INFO] [stderr] 306 |     let old_i = old_.i.unwrap();
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/netlist.rs:552:36
[INFO] [stderr]     |
[INFO] [stderr] 552 |                               } else {
[INFO] [stderr]     |  ____________________________________^
[INFO] [stderr] 553 | |                                 if old_input.is_some() && old_input.unwrap() == s.g.vss_net {
[INFO] [stderr] 554 | |                                     Some(InputGraphIOOEType::OpenDrain)
[INFO] [stderr] 555 | |                                 } else {
[INFO] [stderr] ...   |
[INFO] [stderr] 567 | |                                 }
[INFO] [stderr] 568 | |                             }
[INFO] [stderr]     | |_____________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 552 |                             } else if old_input.is_some() && old_input.unwrap() == s.g.vss_net {
[INFO] [stderr] 553 |     Some(InputGraphIOOEType::OpenDrain)
[INFO] [stderr] 554 | } else {
[INFO] [stderr] 555 |     let oe_n = s.g.nets.get(oe.unwrap()).source.unwrap();
[INFO] [stderr] 556 |     let oe_newg_n = process_one_intermed_node(s, oe_n, logger)?;
[INFO] [stderr] 557 |     Some(match oe_newg_n {
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]     --> src/netlist.rs:1209:21
[INFO] [stderr]      |
[INFO] [stderr] 1209 |                     new_pterm
[INFO] [stderr]      |                     ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 1218 |                         xor.andterm_input = Some(clone_pterm!(pterm));
[INFO] [stderr]      |                                                  ------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]     --> src/netlist.rs:1208:37
[INFO] [stderr]      |
[INFO] [stderr] 1208 |                     let new_pterm = self.pterms.insert(cloned_pterm);
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 1218 |                         xor.andterm_input = Some(clone_pterm!(pterm));
[INFO] [stderr]      |                                                  ------------------- in this macro invocation
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]     --> src/netlist.rs:1209:21
[INFO] [stderr]      |
[INFO] [stderr] 1209 |                     new_pterm
[INFO] [stderr]      |                     ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 1226 |                         xor.orterm_inputs[i] = clone_pterm!(pterm);
[INFO] [stderr]      |                                                ------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]     --> src/netlist.rs:1208:37
[INFO] [stderr]      |
[INFO] [stderr] 1208 |                     let new_pterm = self.pterms.insert(cloned_pterm);
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 1226 |                         xor.orterm_inputs[i] = clone_pterm!(pterm);
[INFO] [stderr]      |                                                ------------------- in this macro invocation
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]     --> src/netlist.rs:1209:21
[INFO] [stderr]      |
[INFO] [stderr] 1209 |                     new_pterm
[INFO] [stderr]      |                     ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 1237 |                         reg.ce_input = Some(clone_pterm!(pterm));
[INFO] [stderr]      |                                             ------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]     --> src/netlist.rs:1208:37
[INFO] [stderr]      |
[INFO] [stderr] 1208 |                     let new_pterm = self.pterms.insert(cloned_pterm);
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 1237 |                         reg.ce_input = Some(clone_pterm!(pterm));
[INFO] [stderr]      |                                             ------------------- in this macro invocation
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]     --> src/netlist.rs:1209:21
[INFO] [stderr]      |
[INFO] [stderr] 1209 |                     new_pterm
[INFO] [stderr]      |                     ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 1244 |                         reg.clk_input = InputGraphRegClockType::PTerm(clone_pterm!(pterm));
[INFO] [stderr]      |                                                                       ------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]     --> src/netlist.rs:1208:37
[INFO] [stderr]      |
[INFO] [stderr] 1208 |                     let new_pterm = self.pterms.insert(cloned_pterm);
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 1244 |                         reg.clk_input = InputGraphRegClockType::PTerm(clone_pterm!(pterm));
[INFO] [stderr]      |                                                                       ------------------- in this macro invocation
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]     --> src/netlist.rs:1209:21
[INFO] [stderr]      |
[INFO] [stderr] 1209 |                     new_pterm
[INFO] [stderr]      |                     ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 1251 |                         reg.set_input = Some(InputGraphRegRSType::PTerm(clone_pterm!(pterm)));
[INFO] [stderr]      |                                                                         ------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]     --> src/netlist.rs:1208:37
[INFO] [stderr]      |
[INFO] [stderr] 1208 |                     let new_pterm = self.pterms.insert(cloned_pterm);
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 1251 |                         reg.set_input = Some(InputGraphRegRSType::PTerm(clone_pterm!(pterm)));
[INFO] [stderr]      |                                                                         ------------------- in this macro invocation
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]     --> src/netlist.rs:1209:21
[INFO] [stderr]      |
[INFO] [stderr] 1209 |                     new_pterm
[INFO] [stderr]      |                     ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 1258 |                         reg.reset_input = Some(InputGraphRegRSType::PTerm(clone_pterm!(pterm)));
[INFO] [stderr]      |                                                                           ------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]     --> src/netlist.rs:1208:37
[INFO] [stderr]      |
[INFO] [stderr] 1208 |                     let new_pterm = self.pterms.insert(cloned_pterm);
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 1258 |                         reg.reset_input = Some(InputGraphRegRSType::PTerm(clone_pterm!(pterm)));
[INFO] [stderr]      |                                                                           ------------------- in this macro invocation
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]     --> src/netlist.rs:1209:21
[INFO] [stderr]      |
[INFO] [stderr] 1209 |                     new_pterm
[INFO] [stderr]      |                     ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 1269 |                         io.oe = Some(InputGraphIOOEType::PTerm(clone_pterm!(pterm)));
[INFO] [stderr]      |                                                                ------------------- in this macro invocation
[INFO] [stderr]      |
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]     --> src/netlist.rs:1208:37
[INFO] [stderr]      |
[INFO] [stderr] 1208 |                     let new_pterm = self.pterms.insert(cloned_pterm);
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 1269 |                         io.oe = Some(InputGraphIOOEType::PTerm(clone_pterm!(pterm)));
[INFO] [stderr]      |                                                                ------------------- in this macro invocation
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/compiler_driver.rs:95:9
[INFO] [stderr]     |
[INFO] [stderr] 95  | /         match self {
[INFO] [stderr] 96  | |             &PARFlowError::SerdeError(_) => "json read failed",
[INFO] [stderr] 97  | |             &PARFlowError::FrontendError(_) => "frontend pass failed",
[INFO] [stderr] 98  | |             &PARFlowError::IntermedToInputError(_) => "intermediate pass failed",
[INFO] [stderr] ...   |
[INFO] [stderr] 101 | |             &PARFlowError::PARSanityCheckFailed(_) => "PAR sanity check failed",
[INFO] [stderr] 102 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 95  |         match *self {
[INFO] [stderr] 96  |             PARFlowError::SerdeError(_) => "json read failed",
[INFO] [stderr] 97  |             PARFlowError::FrontendError(_) => "frontend pass failed",
[INFO] [stderr] 98  |             PARFlowError::IntermedToInputError(_) => "intermediate pass failed",
[INFO] [stderr] 99  |             PARFlowError::OutputWriteError(_) => "writing output failed",
[INFO] [stderr] 100 |             PARFlowError::PARIterationsExceeded => "maximum iterations exceeded",
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/compiler_driver.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 | /         match self {
[INFO] [stderr] 107 | |             &PARFlowError::SerdeError(ref inner) => {
[INFO] [stderr] 108 | |                 Some(inner)
[INFO] [stderr] 109 | |             },
[INFO] [stderr] ...   |
[INFO] [stderr] 119 | |             _ => None,
[INFO] [stderr] 120 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 106 |         match *self {
[INFO] [stderr] 107 |             PARFlowError::SerdeError(ref inner) => {
[INFO] [stderr] 108 |                 Some(inner)
[INFO] [stderr] 109 |             },
[INFO] [stderr] 110 |             PARFlowError::FrontendError(ref inner) => {
[INFO] [stderr] 111 |                 Some(inner)
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/compiler_driver.rs:126:9
[INFO] [stderr]     |
[INFO] [stderr] 126 | /         match self {
[INFO] [stderr] 127 | |             &PARFlowError::PARIterationsExceeded |
[INFO] [stderr] 128 | |             &PARFlowError::PARSanityCheckFailed(_) => {
[INFO] [stderr] 129 | |                 write!(f, "{}", self.description())
[INFO] [stderr] ...   |
[INFO] [stderr] 133 | |             }
[INFO] [stderr] 134 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 126 |         match *self {
[INFO] [stderr] 127 |             PARFlowError::PARIterationsExceeded |
[INFO] [stderr] 128 |             PARFlowError::PARSanityCheckFailed(_) => {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/compiler_driver.rs:165:32
[INFO] [stderr]     |
[INFO] [stderr] 165 |     let logger = logger.into().unwrap_or(slog::Logger::root(slog_stdlog::StdLog.fuse(), o!()));
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| slog::Logger::root(slog_stdlog::StdLog.fuse(), o!()))`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run_one_reftest`
[INFO] [stderr]     --> src/frontend.rs:1095:5
[INFO] [stderr]      |
[INFO] [stderr] 1095 |     fn run_one_reftest(input_filename: &'static str) {
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run_one_reftest`
[INFO] [stderr]     --> src/engine.rs:1439:5
[INFO] [stderr]      |
[INFO] [stderr] 1439 |     fn run_one_reftest(input_filename: &'static str) {
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run_one_reftest`
[INFO] [stderr]     --> src/netlist.rs:1288:5
[INFO] [stderr]      |
[INFO] [stderr] 1288 |     fn run_one_reftest(input_filename: &'static str) {
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/compiler_driver.rs:95:9
[INFO] [stderr]     |
[INFO] [stderr] 95  | /         match self {
[INFO] [stderr] 96  | |             &PARFlowError::SerdeError(_) => "json read failed",
[INFO] [stderr] 97  | |             &PARFlowError::FrontendError(_) => "frontend pass failed",
[INFO] [stderr] 98  | |             &PARFlowError::IntermedToInputError(_) => "intermediate pass failed",
[INFO] [stderr] ...   |
[INFO] [stderr] 101 | |             &PARFlowError::PARSanityCheckFailed(_) => "PAR sanity check failed",
[INFO] [stderr] 102 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 95  |         match *self {
[INFO] [stderr] 96  |             PARFlowError::SerdeError(_) => "json read failed",
[INFO] [stderr] 97  |             PARFlowError::FrontendError(_) => "frontend pass failed",
[INFO] [stderr] 98  |             PARFlowError::IntermedToInputError(_) => "intermediate pass failed",
[INFO] [stderr] 99  |             PARFlowError::OutputWriteError(_) => "writing output failed",
[INFO] [stderr] 100 |             PARFlowError::PARIterationsExceeded => "maximum iterations exceeded",
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/compiler_driver.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 | /         match self {
[INFO] [stderr] 107 | |             &PARFlowError::SerdeError(ref inner) => {
[INFO] [stderr] 108 | |                 Some(inner)
[INFO] [stderr] 109 | |             },
[INFO] [stderr] ...   |
[INFO] [stderr] 119 | |             _ => None,
[INFO] [stderr] 120 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 106 |         match *self {
[INFO] [stderr] 107 |             PARFlowError::SerdeError(ref inner) => {
[INFO] [stderr] 108 |                 Some(inner)
[INFO] [stderr] 109 |             },
[INFO] [stderr] 110 |             PARFlowError::FrontendError(ref inner) => {
[INFO] [stderr] 111 |                 Some(inner)
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/compiler_driver.rs:126:9
[INFO] [stderr]     |
[INFO] [stderr] 126 | /         match self {
[INFO] [stderr] 127 | |             &PARFlowError::PARIterationsExceeded |
[INFO] [stderr] 128 | |             &PARFlowError::PARSanityCheckFailed(_) => {
[INFO] [stderr] 129 | |                 write!(f, "{}", self.description())
[INFO] [stderr] ...   |
[INFO] [stderr] 133 | |             }
[INFO] [stderr] 134 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 126 |         match *self {
[INFO] [stderr] 127 |             PARFlowError::PARIterationsExceeded |
[INFO] [stderr] 128 |             PARFlowError::PARSanityCheckFailed(_) => {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/compiler_driver.rs:165:32
[INFO] [stderr]     |
[INFO] [stderr] 165 |     let logger = logger.into().unwrap_or(slog::Logger::root(slog_stdlog::StdLog.fuse(), o!()));
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| slog::Logger::root(slog_stdlog::StdLog.fuse(), o!()))`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/frontend.rs:140:9
[INFO] [stderr]     |
[INFO] [stderr] 140 | /         match self {
[INFO] [stderr] 141 | |             &FrontendError::MultipleToplevelModules => "multiple top-level modules",
[INFO] [stderr] 142 | |             &FrontendError::NoToplevelModules => "no top-level modules",
[INFO] [stderr] 143 | |             &FrontendError::UnsupportedCellType(_) => "unsupported cell type",
[INFO] [stderr] ...   |
[INFO] [stderr] 154 | |             &FrontendError::ParseIntError(_) => "integer parse error",
[INFO] [stderr] 155 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 140 |         match *self {
[INFO] [stderr] 141 |             FrontendError::MultipleToplevelModules => "multiple top-level modules",
[INFO] [stderr] 142 |             FrontendError::NoToplevelModules => "no top-level modules",
[INFO] [stderr] 143 |             FrontendError::UnsupportedCellType(_) => "unsupported cell type",
[INFO] [stderr] 144 |             FrontendError::MultipleNetDrivers(_) => "multiple drivers for net",
[INFO] [stderr] 145 |             FrontendError::NoNetDrivers(_) => "no drivers for net",
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/frontend.rs:159:9
[INFO] [stderr]     |
[INFO] [stderr] 159 | /         match self {
[INFO] [stderr] 160 | |             &FrontendError::ParseIntError(ref inner) => Some(inner),
[INFO] [stderr] 161 | |             _ => None,
[INFO] [stderr] 162 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 159 |         match *self {
[INFO] [stderr] 160 |             FrontendError::ParseIntError(ref inner) => Some(inner),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/frontend.rs:168:9
[INFO] [stderr]     |
[INFO] [stderr] 168 | /         match self {
[INFO] [stderr] 169 | |             &FrontendError::UnsupportedCellType(ref s) |
[INFO] [stderr] 170 | |             &FrontendError::MultipleNetDrivers(ref s) |
[INFO] [stderr] 171 | |             &FrontendError::NoNetDrivers(ref s) |
[INFO] [stderr] ...   |
[INFO] [stderr] 190 | |             }
[INFO] [stderr] 191 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 168 |         match *self {
[INFO] [stderr] 169 |             FrontendError::UnsupportedCellType(ref s) |
[INFO] [stderr] 170 |             FrontendError::MultipleNetDrivers(ref s) |
[INFO] [stderr] 171 |             FrontendError::NoNetDrivers(ref s) |
[INFO] [stderr] 172 |             FrontendError::MalformedLoc(ref s) |
[INFO] [stderr] 173 |             FrontendError::IllegalStringAttributeValue(ref s) |
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 62
[INFO] [stderr]    --> src/frontend.rs:202:5
[INFO] [stderr]     |
[INFO] [stderr] 202 | /     pub fn from_yosys_netlist<L: Into<Option<slog::Logger>>>(
[INFO] [stderr] 203 | |         yosys_net: &yosys_netlist_json::Netlist, logger: L) -> Result<Self, FrontendError> {
[INFO] [stderr] 204 | |
[INFO] [stderr] 205 | |         let logger = logger.into().unwrap_or(slog::Logger::root(slog_stdlog::StdLog.fuse(), o!()));
[INFO] [stderr] ...   |
[INFO] [stderr] 815 | |         })
[INFO] [stderr] 816 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cyclomatic_complexity)] on by default
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/frontend.rs:140:9
[INFO] [stderr]     |
[INFO] [stderr] 140 | /         match self {
[INFO] [stderr] 141 | |             &FrontendError::MultipleToplevelModules => "multiple top-level modules",
[INFO] [stderr] 142 | |             &FrontendError::NoToplevelModules => "no top-level modules",
[INFO] [stderr] 143 | |             &FrontendError::UnsupportedCellType(_) => "unsupported cell type",
[INFO] [stderr] ...   |
[INFO] [stderr] 154 | |             &FrontendError::ParseIntError(_) => "integer parse error",
[INFO] [stderr] 155 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/frontend.rs:205:36
[INFO] [stderr]     |
[INFO] [stderr] 205 |         let logger = logger.into().unwrap_or(slog::Logger::root(slog_stdlog::StdLog.fuse(), o!()));
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| slog::Logger::root(slog_stdlog::StdLog.fuse(), o!()))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr]     |
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/frontend.rs:213:17
[INFO] [stderr]     |
[INFO] [stderr] 213 | /                 if let &yosys_netlist_json::AttributeVal::N(n) = top_attr {
[INFO] [stderr] 214 | |                     if n != 0 {
[INFO] [stderr] 215 | |                         // Claims to be a top-level module
[INFO] [stderr] 216 | |                         debug!(logger, "found toplevel yosys netlist module"; "module name" => module_name);
[INFO] [stderr] ...   |
[INFO] [stderr] 226 | |                     }
[INFO] [stderr] 227 | |                 }
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 213 |                 if let yosys_netlist_json::AttributeVal::N(n) = *top_attr {
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 140 |         match *self {
[INFO] [stderr] 141 |             FrontendError::MultipleToplevelModules => "multiple top-level modules",
[INFO] [stderr] 142 |             FrontendError::NoToplevelModules => "no top-level modules",
[INFO] [stderr] 143 |             FrontendError::UnsupportedCellType(_) => "unsupported cell type",
[INFO] [stderr] 144 |             FrontendError::MultipleNetDrivers(_) => "multiple drivers for net",
[INFO] [stderr] 145 |             FrontendError::NoNetDrivers(_) => "no drivers for net",
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/frontend.rs:159:9
[INFO] [stderr]     |
[INFO] [stderr] 159 | /         match self {
[INFO] [stderr] 160 | |             &FrontendError::ParseIntError(ref inner) => Some(inner),
[INFO] [stderr] 161 | |             _ => None,
[INFO] [stderr] 162 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/frontend.rs:235:26
[INFO] [stderr]     |
[INFO] [stderr] 235 |         let top_module = yosys_net.modules.get(top_module_name).unwrap();
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&yosys_net.modules[top_module_name]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to want to iterate on a map's values
[INFO] [stderr]    --> src/frontend.rs:258:26
[INFO] [stderr]     |
[INFO] [stderr] 258 |         for (_, port) in &top_module.ports {
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::for_kv_map)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_kv_map
[INFO] [stderr] help: use the corresponding method
[INFO] [stderr]     |
[INFO] [stderr] 258 |         for port in top_module.ports.values() {
[INFO] [stderr]     |             ^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/frontend.rs:260:17
[INFO] [stderr]     |
[INFO] [stderr] 260 | /                 if let &yosys_netlist_json::BitVal::N(n) = yosys_edge_idx {
[INFO] [stderr] 261 | |                     module_ports.insert(n);
[INFO] [stderr] 262 | |                 }
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 260 |                 if let yosys_netlist_json::BitVal::N(n) = *yosys_edge_idx {
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^   ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/frontend.rs:278:21
[INFO] [stderr]     |
[INFO] [stderr] 278 | /                     if let &yosys_netlist_json::BitVal::N(yosys_edge_idx) = connection {
[INFO] [stderr] 279 | |                         // Don't create nets for the pad side of io buffers
[INFO] [stderr] 280 | |                         if module_ports.contains(&yosys_edge_idx) {
[INFO] [stderr] 281 | |                             debug!(logger, "nets - skipping module port for cell";
[INFO] [stderr] ...   |
[INFO] [stderr] 300 | |                         }
[INFO] [stderr] 301 | |                     }
[INFO] [stderr]     | |_____________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 278 |                     if let yosys_netlist_json::BitVal::N(yosys_edge_idx) = *connection {
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 159 |         match *self {
[INFO] [stderr] 160 |             FrontendError::ParseIntError(ref inner) => Some(inner),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/frontend.rs:313:17
[INFO] [stderr]     |
[INFO] [stderr] 313 | /                 if let &yosys_netlist_json::BitVal::N(yosys_edge_idx) = yosys_edge_idx {
[INFO] [stderr] 314 | |                     // Don't create nets for the pad side of io buffers
[INFO] [stderr] 315 | |                     if module_ports.contains(&yosys_edge_idx) {
[INFO] [stderr] 316 | |                         debug!(logger, "nets - skipping module port for netname";
[INFO] [stderr] ...   |
[INFO] [stderr] 347 | |                     }
[INFO] [stderr] 348 | |                 }
[INFO] [stderr]     | |_________________^
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/frontend.rs:168:9
[INFO] [stderr]     |
[INFO] [stderr] 168 | /         match self {
[INFO] [stderr] 169 | |             &FrontendError::UnsupportedCellType(ref s) |
[INFO] [stderr] 170 | |             &FrontendError::MultipleNetDrivers(ref s) |
[INFO] [stderr] 171 | |             &FrontendError::NoNetDrivers(ref s) |
[INFO] [stderr] ...   |
[INFO] [stderr] 190 | |             }
[INFO] [stderr] 191 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 168 |         match *self {
[INFO] [stderr] 169 |             FrontendError::UnsupportedCellType(ref s) |
[INFO] [stderr] 170 |             FrontendError::MultipleNetDrivers(ref s) |
[INFO] [stderr] 171 |             FrontendError::NoNetDrivers(ref s) |
[INFO] [stderr] 172 |             FrontendError::MalformedLoc(ref s) |
[INFO] [stderr] 173 |             FrontendError::IllegalStringAttributeValue(ref s) |
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 313 |                 if let yosys_netlist_json::BitVal::N(yosys_edge_idx) = *yosys_edge_idx {
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^   ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/frontend.rs:338:52
[INFO] [stderr]     |
[INFO] [stderr] 338 |                         let existing_net_our_idx = net_map.get(&yosys_edge_idx).unwrap();
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&net_map[&yosys_edge_idx]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 62
[INFO] [stderr]    --> src/frontend.rs:202:5
[INFO] [stderr]     |
[INFO] [stderr] 202 | /     pub fn from_yosys_netlist<L: Into<Option<slog::Logger>>>(
[INFO] [stderr] 203 | |         yosys_net: &yosys_netlist_json::Netlist, logger: L) -> Result<Self, FrontendError> {
[INFO] [stderr] 204 | |
[INFO] [stderr] 205 | |         let logger = logger.into().unwrap_or(slog::Logger::root(slog_stdlog::StdLog.fuse(), o!()));
[INFO] [stderr] ...   |
[INFO] [stderr] 815 | |         })
[INFO] [stderr] 816 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cyclomatic_complexity)] on by default
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/frontend.rs:357:57
[INFO] [stderr]     |
[INFO] [stderr] 357 |                 yosys_netlist_json::BitVal::N(n) => Ok(*net_map.get(&n).unwrap()),
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&net_map[&n]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/frontend.rs:385:17
[INFO] [stderr]     |
[INFO] [stderr] 385 | /                 if let &yosys_netlist_json::AttributeVal::N(n) = param_option.unwrap() {
[INFO] [stderr] 386 | |                     debug!(logger, "cells - numeric parameter";
[INFO] [stderr] 387 | |                         "name" => name,
[INFO] [stderr] 388 | |                         "value" => n);
[INFO] [stderr] ...   |
[INFO] [stderr] 394 | |                     return Err(FrontendError::IllegalAttributeValue(param_option_copy.clone()));
[INFO] [stderr] 395 | |                 };
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 385 |                 if let yosys_netlist_json::AttributeVal::N(n) = *param_option.unwrap() {
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/frontend.rs:405:17
[INFO] [stderr]     |
[INFO] [stderr] 405 | /                 if let &yosys_netlist_json::AttributeVal::S(ref s) = param_option.unwrap() {
[INFO] [stderr] 406 | |                     debug!(logger, "cells - string parameter";
[INFO] [stderr] 407 | |                         "name" => name,
[INFO] [stderr] 408 | |                         "value" => s);
[INFO] [stderr] ...   |
[INFO] [stderr] 414 | |                     return Err(FrontendError::IllegalAttributeValue(param_option_copy.clone()));
[INFO] [stderr] 415 | |                 };
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 405 |                 if let yosys_netlist_json::AttributeVal::S(ref s) = *param_option.unwrap() {
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/frontend.rs:457:44
[INFO] [stderr]     |
[INFO] [stderr] 457 |                 let result = bitval_to_net(conn_obj[0].clone(), name, logger)?;
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `conn_obj[0]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/frontend.rs:460:40
[INFO] [stderr]     |
[INFO] [stderr] 460 |                     "yosys net idx" => conn_obj[0].clone(),
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `conn_obj[0]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/frontend.rs:477:44
[INFO] [stderr]     |
[INFO] [stderr] 477 |                 let result = bitval_to_net(conn_obj[0].clone(), name, logger)?;
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `conn_obj[0]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/frontend.rs:480:40
[INFO] [stderr]     |
[INFO] [stderr] 480 |                     "yosys net idx" => conn_obj[0].clone(),
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `conn_obj[0]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
[INFO] [stderr]    --> src/frontend.rs:494:37
[INFO] [stderr]     |
[INFO] [stderr] 494 |                 let conn_obj_copy = conn_obj.as_ref().unwrap().clone();
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::clone_double_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]     |
[INFO] [stderr] 494 |                 let conn_obj_copy = &(*conn_obj.as_ref().unwrap()).clone();
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: or try being explicit about what type to clone
[INFO] [stderr]     |
[INFO] [stderr] 494 |                 let conn_obj_copy = &std::vec::Vec<yosys_netlist_json::BitVal>::clone(conn_obj.as_ref().unwrap());
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/frontend.rs:496:47
[INFO] [stderr]     |
[INFO] [stderr] 496 |                     result.push(bitval_to_net(x.clone(), name, logger)?);
[INFO] [stderr]     |                                               ^^^^^^^^^ help: try dereferencing it: `*x`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/frontend.rs:205:36
[INFO] [stderr]     |
[INFO] [stderr] 205 |         let logger = logger.into().unwrap_or(slog::Logger::root(slog_stdlog::StdLog.fuse(), o!()));
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| slog::Logger::root(slog_stdlog::StdLog.fuse(), o!()))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]    --> src/frontend.rs:678:21
[INFO] [stderr]     |
[INFO] [stderr] 678 | /                     let mut ce_input = None;
[INFO] [stderr] 679 | |                     if mode == XC2MCRegMode::DFFCE {
[INFO] [stderr] 680 | |                         ce_input = Some(single_required_connection("CE", &logger)?);
[INFO] [stderr] 681 | |                     }
[INFO] [stderr]     | |_____________________^ help: it is more idiomatic to write: `let <mut> ce_input = if mode == XC2MCRegMode::DFFCE { Some(single_required_connection("CE", &logger)?) } else { None };`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_let_if_seq)] on by default
[INFO] [stderr]     = note: you might not need `mut` at all
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/frontend.rs:213:17
[INFO] [stderr]     |
[INFO] [stderr] 213 | /                 if let &yosys_netlist_json::AttributeVal::N(n) = top_attr {
[INFO] [stderr] 214 | |                     if n != 0 {
[INFO] [stderr] 215 | |                         // Claims to be a top-level module
[INFO] [stderr] 216 | |                         debug!(logger, "found toplevel yosys netlist module"; "module name" => module_name);
[INFO] [stderr] ...   |
[INFO] [stderr] 226 | |                     }
[INFO] [stderr] 227 | |                 }
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 213 |                 if let yosys_netlist_json::AttributeVal::N(n) = *top_attr {
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/frontend.rs:235:26
[INFO] [stderr]     |
[INFO] [stderr] 235 |         let top_module = yosys_net.modules.get(top_module_name).unwrap();
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&yosys_net.modules[top_module_name]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to want to iterate on a map's values
[INFO] [stderr]    --> src/frontend.rs:258:26
[INFO] [stderr]     |
[INFO] [stderr] 258 |         for (_, port) in &top_module.ports {
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::for_kv_map)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_kv_map
[INFO] [stderr] help: use the corresponding method
[INFO] [stderr]     |
[INFO] [stderr] 258 |         for port in top_module.ports.values() {
[INFO] [stderr]     |             ^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/frontend.rs:260:17
[INFO] [stderr]     |
[INFO] [stderr] 260 | /                 if let &yosys_netlist_json::BitVal::N(n) = yosys_edge_idx {
[INFO] [stderr] 261 | |                     module_ports.insert(n);
[INFO] [stderr] 262 | |                 }
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 260 |                 if let yosys_netlist_json::BitVal::N(n) = *yosys_edge_idx {
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^   ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/frontend.rs:278:21
[INFO] [stderr]     |
[INFO] [stderr] 278 | /                     if let &yosys_netlist_json::BitVal::N(yosys_edge_idx) = connection {
[INFO] [stderr] 279 | |                         // Don't create nets for the pad side of io buffers
[INFO] [stderr] 280 | |                         if module_ports.contains(&yosys_edge_idx) {
[INFO] [stderr] 281 | |                             debug!(logger, "nets - skipping module port for cell";
[INFO] [stderr] ...   |
[INFO] [stderr] 300 | |                         }
[INFO] [stderr] 301 | |                     }
[INFO] [stderr]     | |_____________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 278 |                     if let yosys_netlist_json::BitVal::N(yosys_edge_idx) = *connection {
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/frontend.rs:313:17
[INFO] [stderr]     |
[INFO] [stderr] 313 | /                 if let &yosys_netlist_json::BitVal::N(yosys_edge_idx) = yosys_edge_idx {
[INFO] [stderr] 314 | |                     // Don't create nets for the pad side of io buffers
[INFO] [stderr] 315 | |                     if module_ports.contains(&yosys_edge_idx) {
[INFO] [stderr] 316 | |                         debug!(logger, "nets - skipping module port for netname";
[INFO] [stderr] ...   |
[INFO] [stderr] 347 | |                     }
[INFO] [stderr] 348 | |                 }
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 313 |                 if let yosys_netlist_json::BitVal::N(yosys_edge_idx) = *yosys_edge_idx {
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^   ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/frontend.rs:338:52
[INFO] [stderr]     |
[INFO] [stderr] 338 |                         let existing_net_our_idx = net_map.get(&yosys_edge_idx).unwrap();
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&net_map[&yosys_edge_idx]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 34
[INFO] [stderr]    --> src/frontend.rs:818:5
[INFO] [stderr]     |
[INFO] [stderr] 818 | /     pub fn gather_macrocells<L: Into<Option<slog::Logger>>>(&self, logger: L)
[INFO] [stderr] 819 | |         -> Result<Vec<ObjPoolIndex<IntermediateGraphNode>>, GatherMacrocellError> {
[INFO] [stderr] 820 | |
[INFO] [stderr] 821 | |         let logger = logger.into().unwrap_or(slog::Logger::root(slog_stdlog::StdLog.fuse(), o!()));
[INFO] [stderr] ...   |
[INFO] [stderr] 983 | |         Ok(ret)
[INFO] [stderr] 984 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/frontend.rs:357:57
[INFO] [stderr]     |
[INFO] [stderr] 357 |                 yosys_netlist_json::BitVal::N(n) => Ok(*net_map.get(&n).unwrap()),
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&net_map[&n]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/frontend.rs:385:17
[INFO] [stderr]     |
[INFO] [stderr] 385 | /                 if let &yosys_netlist_json::AttributeVal::N(n) = param_option.unwrap() {
[INFO] [stderr] 386 | |                     debug!(logger, "cells - numeric parameter";
[INFO] [stderr] 387 | |                         "name" => name,
[INFO] [stderr] 388 | |                         "value" => n);
[INFO] [stderr] ...   |
[INFO] [stderr] 394 | |                     return Err(FrontendError::IllegalAttributeValue(param_option_copy.clone()));
[INFO] [stderr] 395 | |                 };
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 385 |                 if let yosys_netlist_json::AttributeVal::N(n) = *param_option.unwrap() {
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/frontend.rs:405:17
[INFO] [stderr]     |
[INFO] [stderr] 405 | /                 if let &yosys_netlist_json::AttributeVal::S(ref s) = param_option.unwrap() {
[INFO] [stderr] 406 | |                     debug!(logger, "cells - string parameter";
[INFO] [stderr] 407 | |                         "name" => name,
[INFO] [stderr] 408 | |                         "value" => s);
[INFO] [stderr] ...   |
[INFO] [stderr] 414 | |                     return Err(FrontendError::IllegalAttributeValue(param_option_copy.clone()));
[INFO] [stderr] 415 | |                 };
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 405 |                 if let yosys_netlist_json::AttributeVal::S(ref s) = *param_option.unwrap() {
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/frontend.rs:821:36
[INFO] [stderr]     |
[INFO] [stderr] 821 |         let logger = logger.into().unwrap_or(slog::Logger::root(slog_stdlog::StdLog.fuse(), o!()));
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| slog::Logger::root(slog_stdlog::StdLog.fuse(), o!()))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/frontend.rs:457:44
[INFO] [stderr]     |
[INFO] [stderr] 457 |                 let result = bitval_to_net(conn_obj[0].clone(), name, logger)?;
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `conn_obj[0]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/frontend.rs:460:40
[INFO] [stderr]     |
[INFO] [stderr] 460 |                     "yosys net idx" => conn_obj[0].clone(),
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `conn_obj[0]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/frontend.rs:995:9
[INFO] [stderr]     |
[INFO] [stderr] 995 | /         match self {
[INFO] [stderr] 996 | |             &GatherMacrocellError::IllegalNodeDriver(_) => "node is driven by illegal type of node",
[INFO] [stderr] 997 | |             &GatherMacrocellError::IllegalNodeSink(_) => "node sinks to too many nodes",
[INFO] [stderr] 998 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 995 |         match *self {
[INFO] [stderr] 996 |             GatherMacrocellError::IllegalNodeDriver(_) => "node is driven by illegal type of node",
[INFO] [stderr] 997 |             GatherMacrocellError::IllegalNodeSink(_) => "node sinks to too many nodes",
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]     --> src/frontend.rs:1008:9
[INFO] [stderr]      |
[INFO] [stderr] 1008 | /         match self {
[INFO] [stderr] 1009 | |             &GatherMacrocellError::IllegalNodeDriver(ref s) |
[INFO] [stderr] 1010 | |             &GatherMacrocellError::IllegalNodeSink(ref s) => {
[INFO] [stderr] 1011 | |                 write!(f, "{} - {}", self.description(), s)
[INFO] [stderr] 1012 | |             },
[INFO] [stderr] 1013 | |         }
[INFO] [stderr]      | |_________^
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]      |
[INFO] [stderr] 1008 |         match *self {
[INFO] [stderr] 1009 |             GatherMacrocellError::IllegalNodeDriver(ref s) |
[INFO] [stderr] 1010 |             GatherMacrocellError::IllegalNodeSink(ref s) => {
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/frontend.rs:477:44
[INFO] [stderr]     |
[INFO] [stderr] 477 |                 let result = bitval_to_net(conn_obj[0].clone(), name, logger)?;
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `conn_obj[0]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/frontend.rs:480:40
[INFO] [stderr]     |
[INFO] [stderr] 480 |                     "yosys net idx" => conn_obj[0].clone(),
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `conn_obj[0]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
[INFO] [stderr]    --> src/frontend.rs:494:37
[INFO] [stderr]     |
[INFO] [stderr] 494 |                 let conn_obj_copy = conn_obj.as_ref().unwrap().clone();
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::clone_double_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]     |
[INFO] [stderr] 494 |                 let conn_obj_copy = &(*conn_obj.as_ref().unwrap()).clone();
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: or try being explicit about what type to clone
[INFO] [stderr]     |
[INFO] [stderr] 494 |                 let conn_obj_copy = &std::vec::Vec<yosys_netlist_json::BitVal>::clone(conn_obj.as_ref().unwrap());
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/frontend.rs:496:47
[INFO] [stderr]     |
[INFO] [stderr] 496 |                     result.push(bitval_to_net(x.clone(), name, logger)?);
[INFO] [stderr]     |                                               ^^^^^^^^^ help: try dereferencing it: `*x`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]     --> src/frontend.rs:1033:42
[INFO] [stderr]      |
[INFO] [stderr] 1033 |                 let loc_fb_i = loc.split("_").collect::<Vec<_>>();
[INFO] [stderr]      |                                          ^^^ help: try using a char instead: `'_'`
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]     --> src/frontend.rs:1044:49
[INFO] [stderr]      |
[INFO] [stderr] 1044 |                     if !loc_fb_i[1].starts_with("P") {
[INFO] [stderr]      |                                                 ^^^ help: try using a char instead: `'P'`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]    --> src/frontend.rs:678:21
[INFO] [stderr]     |
[INFO] [stderr] 678 | /                     let mut ce_input = None;
[INFO] [stderr] 679 | |                     if mode == XC2MCRegMode::DFFCE {
[INFO] [stderr] 680 | |                         ce_input = Some(single_required_connection("CE", &logger)?);
[INFO] [stderr] 681 | |                     }
[INFO] [stderr]     | |_____________________^ help: it is more idiomatic to write: `let <mut> ce_input = if mode == XC2MCRegMode::DFFCE { Some(single_required_connection("CE", &logger)?) } else { None };`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_let_if_seq)] on by default
[INFO] [stderr]     = note: you might not need `mut` at all
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 34
[INFO] [stderr]    --> src/frontend.rs:818:5
[INFO] [stderr]     |
[INFO] [stderr] 818 | /     pub fn gather_macrocells<L: Into<Option<slog::Logger>>>(&self, logger: L)
[INFO] [stderr] 819 | |         -> Result<Vec<ObjPoolIndex<IntermediateGraphNode>>, GatherMacrocellError> {
[INFO] [stderr] 820 | |
[INFO] [stderr] 821 | |         let logger = logger.into().unwrap_or(slog::Logger::root(slog_stdlog::StdLog.fuse(), o!()));
[INFO] [stderr] ...   |
[INFO] [stderr] 983 | |         Ok(ret)
[INFO] [stderr] 984 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/frontend.rs:821:36
[INFO] [stderr]     |
[INFO] [stderr] 821 |         let logger = logger.into().unwrap_or(slog::Logger::root(slog_stdlog::StdLog.fuse(), o!()));
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| slog::Logger::root(slog_stdlog::StdLog.fuse(), o!()))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 117
[INFO] [stderr]    --> src/engine.rs:188:1
[INFO] [stderr]     |
[INFO] [stderr] 188 | / pub fn greedy_initial_placement(g: &mut InputGraph, go: &mut OutputGraph, device_type: XC2DeviceSpeedPackage,
[INFO] [stderr] 189 | |     logger: &slog::Logger) -> Option<Vec<PARFBAssignment>> {
[INFO] [stderr] 190 | |
[INFO] [stderr] 191 | |     let mut ret = Vec::new();
[INFO] [stderr] ...   |
[INFO] [stderr] 533 | |     Some(ret)
[INFO] [stderr] 534 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/frontend.rs:995:9
[INFO] [stderr]     |
[INFO] [stderr] 995 | /         match self {
[INFO] [stderr] 996 | |             &GatherMacrocellError::IllegalNodeDriver(_) => "node is driven by illegal type of node",
[INFO] [stderr] 997 | |             &GatherMacrocellError::IllegalNodeSink(_) => "node sinks to too many nodes",
[INFO] [stderr] 998 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 995 |         match *self {
[INFO] [stderr] 996 |             GatherMacrocellError::IllegalNodeDriver(_) => "node is driven by illegal type of node",
[INFO] [stderr] 997 |             GatherMacrocellError::IllegalNodeSink(_) => "node sinks to too many nodes",
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]     --> src/frontend.rs:1008:9
[INFO] [stderr]      |
[INFO] [stderr] 1008 | /         match self {
[INFO] [stderr] 1009 | |             &GatherMacrocellError::IllegalNodeDriver(ref s) |
[INFO] [stderr] 1010 | |             &GatherMacrocellError::IllegalNodeSink(ref s) => {
[INFO] [stderr] 1011 | |                 write!(f, "{} - {}", self.description(), s)
[INFO] [stderr] 1012 | |             },
[INFO] [stderr] 1013 | |         }
[INFO] [stderr]      | |_________^
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]      |
[INFO] [stderr] 1008 |         match *self {
[INFO] [stderr] 1009 |             GatherMacrocellError::IllegalNodeDriver(ref s) |
[INFO] [stderr] 1010 |             GatherMacrocellError::IllegalNodeSink(ref s) => {
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]     --> src/frontend.rs:1033:42
[INFO] [stderr]      |
[INFO] [stderr] 1033 |                 let loc_fb_i = loc.split("_").collect::<Vec<_>>();
[INFO] [stderr]      |                                          ^^^ help: try using a char instead: `'_'`
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]     --> src/frontend.rs:1044:49
[INFO] [stderr]      |
[INFO] [stderr] 1044 |                     if !loc_fb_i[1].starts_with("P") {
[INFO] [stderr]      |                                                 ^^^ help: try using a char instead: `'P'`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `fb` is used to index `ret`
[INFO] [stderr]    --> src/engine.rs:463:23
[INFO] [stderr]     |
[INFO] [stderr] 463 |             for fb in 0..num_fbs {
[INFO] [stderr]     |                       ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 463 |             for (fb, <item>) in ret.iter().enumerate().take(num_fbs) {
[INFO] [stderr]     |                 ^^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 31
[INFO] [stderr]    --> src/engine.rs:543:1
[INFO] [stderr]     |
[INFO] [stderr] 543 | / pub fn try_assign_andterms(g: &InputGraph, go: &mut OutputGraph, mc_assignment: &PARFBAssignment, fb_i: u32)
[INFO] [stderr] 544 | |     -> AndTermAssignmentResult {
[INFO] [stderr] 545 | |
[INFO] [stderr] 546 | |     let mut ret = [None; ANDTERMS_PER_FB];
[INFO] [stderr] ...   |
[INFO] [stderr] 728 | |     AndTermAssignmentResult::Success
[INFO] [stderr] 729 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `mc_i` is used to index `mc_assignment`
[INFO] [stderr]    --> src/engine.rs:558:17
[INFO] [stderr]     |
[INFO] [stderr] 558 |     for mc_i in 0..MCS_PER_FB {
[INFO] [stderr]     |                 ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 558 |     for (mc_i, <item>) in mc_assignment.iter().enumerate().take(MCS_PER_FB) {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `mc_i` is only used to index `mc_assignment`.
[INFO] [stderr]    --> src/engine.rs:635:17
[INFO] [stderr]     |
[INFO] [stderr] 635 |     for mc_i in 0..MCS_PER_FB {
[INFO] [stderr]     |                 ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 635 |     for <item> in mc_assignment.iter().take(MCS_PER_FB) {
[INFO] [stderr]     |         ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 117
[INFO] [stderr]    --> src/engine.rs:188:1
[INFO] [stderr]     |
[INFO] [stderr] 188 | / pub fn greedy_initial_placement(g: &mut InputGraph, go: &mut OutputGraph, device_type: XC2DeviceSpeedPackage,
[INFO] [stderr] 189 | |     logger: &slog::Logger) -> Option<Vec<PARFBAssignment>> {
[INFO] [stderr] 190 | |
[INFO] [stderr] 191 | |     let mut ret = Vec::new();
[INFO] [stderr] ...   |
[INFO] [stderr] 533 | |     Some(ret)
[INFO] [stderr] 534 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `candidate_pt_i` is only used to index `ret`.
[INFO] [stderr]    --> src/engine.rs:690:31
[INFO] [stderr]     |
[INFO] [stderr] 690 |         for candidate_pt_i in 0..ANDTERMS_PER_FB {
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 690 |         for <item> in ret.iter_mut().take(ANDTERMS_PER_FB) {
[INFO] [stderr]     |             ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `pterm_i` is used to index `ret`
[INFO] [stderr]    --> src/engine.rs:709:20
[INFO] [stderr]     |
[INFO] [stderr] 709 |     for pterm_i in 0..ANDTERMS_PER_FB {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 709 |     for (pterm_i, <item>) in ret.iter().enumerate().take(ANDTERMS_PER_FB) {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `mc_i` is only used to index `mc_assignment`.
[INFO] [stderr]    --> src/engine.rs:745:17
[INFO] [stderr]     |
[INFO] [stderr] 745 |     for mc_i in 0..MCS_PER_FB {
[INFO] [stderr]     |                 ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 745 |     for <item> in mc_assignment.iter().take(MCS_PER_FB) {
[INFO] [stderr]     |         ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/engine.rs:896:51
[INFO] [stderr]     |
[INFO] [stderr] 896 |             andterm_node_go.inputs_true_zia.push(*input_to_row_map.get(input_net).unwrap());
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&input_to_row_map[input_net]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/engine.rs:899:51
[INFO] [stderr]     |
[INFO] [stderr] 899 |             andterm_node_go.inputs_comp_zia.push(*input_to_row_map.get(input_net).unwrap());
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&input_to_row_map[input_net]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: parameter of type `HashMap` should be generalized over different hashers
[INFO] [stderr]    --> src/engine.rs:952:33
[INFO] [stderr]     |
[INFO] [stderr] 952 |     constraint_violations: &mut HashMap<PARFBAssignLoc, u32>, device_type: XC2DeviceSpeedPackage)
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::implicit_hasher)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#implicit_hasher
[INFO] [stderr] help: consider adding a type parameter
[INFO] [stderr]     |
[INFO] [stderr] 951 | pub fn try_assign_fb<S: ::std::hash::BuildHasher>(g: &InputGraph, go: &mut OutputGraph, mc_assignments: &[PARFBAssignment], fb_i: u32,
[INFO] [stderr] 952 |     constraint_violations: &mut HashMap<PARFBAssignLoc, u32, S>, device_type: XC2DeviceSpeedPackage)
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 29
[INFO] [stderr]     --> src/engine.rs:1042:1
[INFO] [stderr]      |
[INFO] [stderr] 1042 | / pub fn do_par_sanity_check(g: &mut InputGraph, device_type: XC2DeviceSpeedPackage, logger: &slog::Logger)
[INFO] [stderr] 1043 | |     -> PARSanityResult {
[INFO] [stderr] 1044 | |
[INFO] [stderr] 1045 | |     // Check if everything fits in the device
[INFO] [stderr] ...    |
[INFO] [stderr] 1157 | |     PARSanityResult::Ok
[INFO] [stderr] 1158 | | }
[INFO] [stderr]      | |_^
[INFO] [stderr]      |
[INFO] [stderr]      = help: you could split it up into multiple smaller functions
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 39
[INFO] [stderr]     --> src/engine.rs:1189:1
[INFO] [stderr]      |
[INFO] [stderr] 1189 | / pub fn do_par<L: Into<Option<slog::Logger>>>(g: &mut InputGraph, device_type: XC2DeviceSpeedPackage,
[INFO] [stderr] 1190 | |     options: &XC2ParOptions, logger: L) -> PARResult {
[INFO] [stderr] 1191 | |
[INFO] [stderr] 1192 | |     let logger = logger.into().unwrap_or(slog::Logger::root(slog_stdlog::StdLog.fuse(), o!()));
[INFO] [stderr] ...    |
[INFO] [stderr] 1426 | |     PARResult::FailureIterationsExceeded
[INFO] [stderr] 1427 | | }
[INFO] [stderr]      | |_^
[INFO] [stderr]      |
[INFO] [stderr]      = help: you could split it up into multiple smaller functions
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]     --> src/engine.rs:1192:32
[INFO] [stderr]      |
[INFO] [stderr] 1192 |     let logger = logger.into().unwrap_or(slog::Logger::root(slog_stdlog::StdLog.fuse(), o!()));
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| slog::Logger::root(slog_stdlog::StdLog.fuse(), o!()))`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `fb` is used to index `ret`
[INFO] [stderr]    --> src/engine.rs:463:23
[INFO] [stderr]     |
[INFO] [stderr] 463 |             for fb in 0..num_fbs {
[INFO] [stderr]     |                       ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 463 |             for (fb, <item>) in ret.iter().enumerate().take(num_fbs) {
[INFO] [stderr]     |                 ^^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/engine.rs:1218:12
[INFO] [stderr]      |
[INFO] [stderr] 1218 |         if best_placement_violations.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `best_placement_violations.is_empty()`
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `best_par_results_per_fb`.
[INFO] [stderr]     --> src/engine.rs:1221:22
[INFO] [stderr]      |
[INFO] [stderr] 1221 |             for i in 0..device_type.dev.num_fbs() {
[INFO] [stderr]      |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]      |
[INFO] [stderr] 1221 |             for <item> in best_par_results_per_fb.iter_mut().take(device_type.dev.num_fbs()) {
[INFO] [stderr]      |                 ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 31
[INFO] [stderr]    --> src/engine.rs:543:1
[INFO] [stderr]     |
[INFO] [stderr] 543 | / pub fn try_assign_andterms(g: &InputGraph, go: &mut OutputGraph, mc_assignment: &PARFBAssignment, fb_i: u32)
[INFO] [stderr] 544 | |     -> AndTermAssignmentResult {
[INFO] [stderr] 545 | |
[INFO] [stderr] 546 | |     let mut ret = [None; ANDTERMS_PER_FB];
[INFO] [stderr] ...   |
[INFO] [stderr] 728 | |     AndTermAssignmentResult::Success
[INFO] [stderr] 729 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/engine.rs:1388:24
[INFO] [stderr]      |
[INFO] [stderr] 1388 |                     if best_placement_violations.len() == 0 {
[INFO] [stderr]      |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `best_placement_violations.is_empty()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `mc_i` is used to index `mc_assignment`
[INFO] [stderr]    --> src/engine.rs:558:17
[INFO] [stderr]     |
[INFO] [stderr] 558 |     for mc_i in 0..MCS_PER_FB {
[INFO] [stderr]     |                 ^^^^^^^^^^^^^
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/engine.rs:1398:16
[INFO] [stderr]      |
[INFO] [stderr] 1398 |             if best_placement_violations.len() == 0 {
[INFO] [stderr]      |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `best_placement_violations.is_empty()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 558 |     for (mc_i, <item>) in mc_assignment.iter().enumerate().take(MCS_PER_FB) {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `mc_i` is only used to index `mc_assignment`.
[INFO] [stderr]    --> src/engine.rs:635:17
[INFO] [stderr]     |
[INFO] [stderr] 635 |     for mc_i in 0..MCS_PER_FB {
[INFO] [stderr]     |                 ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 635 |     for <item> in mc_assignment.iter().take(MCS_PER_FB) {
[INFO] [stderr]     |         ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `candidate_pt_i` is only used to index `ret`.
[INFO] [stderr]    --> src/engine.rs:690:31
[INFO] [stderr]     |
[INFO] [stderr] 690 |         for candidate_pt_i in 0..ANDTERMS_PER_FB {
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 690 |         for <item> in ret.iter_mut().take(ANDTERMS_PER_FB) {
[INFO] [stderr]     |             ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `pterm_i` is used to index `ret`
[INFO] [stderr]    --> src/engine.rs:709:20
[INFO] [stderr]     |
[INFO] [stderr] 709 |     for pterm_i in 0..ANDTERMS_PER_FB {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 709 |     for (pterm_i, <item>) in ret.iter().enumerate().take(ANDTERMS_PER_FB) {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `mc_i` is only used to index `mc_assignment`.
[INFO] [stderr]    --> src/engine.rs:745:17
[INFO] [stderr]     |
[INFO] [stderr] 745 |     for mc_i in 0..MCS_PER_FB {
[INFO] [stderr]     |                 ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 745 |     for <item> in mc_assignment.iter().take(MCS_PER_FB) {
[INFO] [stderr]     |         ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/engine.rs:896:51
[INFO] [stderr]     |
[INFO] [stderr] 896 |             andterm_node_go.inputs_true_zia.push(*input_to_row_map.get(input_net).unwrap());
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&input_to_row_map[input_net]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/engine.rs:899:51
[INFO] [stderr]     |
[INFO] [stderr] 899 |             andterm_node_go.inputs_comp_zia.push(*input_to_row_map.get(input_net).unwrap());
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&input_to_row_map[input_net]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: parameter of type `HashMap` should be generalized over different hashers
[INFO] [stderr]    --> src/engine.rs:952:33
[INFO] [stderr]     |
[INFO] [stderr] 952 |     constraint_violations: &mut HashMap<PARFBAssignLoc, u32>, device_type: XC2DeviceSpeedPackage)
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::implicit_hasher)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#implicit_hasher
[INFO] [stderr] help: consider adding a type parameter
[INFO] [stderr]     |
[INFO] [stderr] 951 | pub fn try_assign_fb<S: ::std::hash::BuildHasher>(g: &InputGraph, go: &mut OutputGraph, mc_assignments: &[PARFBAssignment], fb_i: u32,
[INFO] [stderr] 952 |     constraint_violations: &mut HashMap<PARFBAssignLoc, u32, S>, device_type: XC2DeviceSpeedPackage)
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 29
[INFO] [stderr]     --> src/engine.rs:1042:1
[INFO] [stderr]      |
[INFO] [stderr] 1042 | / pub fn do_par_sanity_check(g: &mut InputGraph, device_type: XC2DeviceSpeedPackage, logger: &slog::Logger)
[INFO] [stderr] 1043 | |     -> PARSanityResult {
[INFO] [stderr] 1044 | |
[INFO] [stderr] 1045 | |     // Check if everything fits in the device
[INFO] [stderr] ...    |
[INFO] [stderr] 1157 | |     PARSanityResult::Ok
[INFO] [stderr] 1158 | | }
[INFO] [stderr]      | |_^
[INFO] [stderr]      |
[INFO] [stderr]      = help: you could split it up into multiple smaller functions
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 39
[INFO] [stderr]     --> src/engine.rs:1189:1
[INFO] [stderr]      |
[INFO] [stderr] 1189 | / pub fn do_par<L: Into<Option<slog::Logger>>>(g: &mut InputGraph, device_type: XC2DeviceSpeedPackage,
[INFO] [stderr] 1190 | |     options: &XC2ParOptions, logger: L) -> PARResult {
[INFO] [stderr] 1191 | |
[INFO] [stderr] 1192 | |     let logger = logger.into().unwrap_or(slog::Logger::root(slog_stdlog::StdLog.fuse(), o!()));
[INFO] [stderr] ...    |
[INFO] [stderr] 1426 | |     PARResult::FailureIterationsExceeded
[INFO] [stderr] 1427 | | }
[INFO] [stderr]      | |_^
[INFO] [stderr]      |
[INFO] [stderr]      = help: you could split it up into multiple smaller functions
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]     --> src/engine.rs:1192:32
[INFO] [stderr]      |
[INFO] [stderr] 1192 |     let logger = logger.into().unwrap_or(slog::Logger::root(slog_stdlog::StdLog.fuse(), o!()));
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| slog::Logger::root(slog_stdlog::StdLog.fuse(), o!()))`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/engine.rs:1218:12
[INFO] [stderr]      |
[INFO] [stderr] 1218 |         if best_placement_violations.len() == 0 {
[INFO] [stderr]      |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `best_placement_violations.is_empty()`
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `best_par_results_per_fb`.
[INFO] [stderr]     --> src/engine.rs:1221:22
[INFO] [stderr]      |
[INFO] [stderr] 1221 |             for i in 0..device_type.dev.num_fbs() {
[INFO] [stderr]      |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]      |
[INFO] [stderr] 1221 |             for <item> in best_par_results_per_fb.iter_mut().take(device_type.dev.num_fbs()) {
[INFO] [stderr]      |                 ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/engine.rs:1388:24
[INFO] [stderr]      |
[INFO] [stderr] 1388 |                     if best_placement_violations.len() == 0 {
[INFO] [stderr]      |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `best_placement_violations.is_empty()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]     --> src/engine.rs:1398:16
[INFO] [stderr]      |
[INFO] [stderr] 1398 |             if best_placement_violations.len() == 0 {
[INFO] [stderr]      |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `best_placement_violations.is_empty()`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/netlist.rs:130:24
[INFO] [stderr]     |
[INFO] [stderr] 130 |     pub fn is_pininput(&self) -> bool {
[INFO] [stderr]     |                        ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/netlist.rs:131:9
[INFO] [stderr]     |
[INFO] [stderr] 131 | /         match self {
[INFO] [stderr] 132 | |             &InputGraphMacrocellType::PinOutput |
[INFO] [stderr] 133 | |             &InputGraphMacrocellType::BuriedComb |
[INFO] [stderr] 134 | |             &InputGraphMacrocellType::BuriedReg => false,
[INFO] [stderr] 135 | |             &InputGraphMacrocellType::PinInputReg |
[INFO] [stderr] 136 | |             &InputGraphMacrocellType::PinInputUnreg => true,
[INFO] [stderr] 137 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 131 |         match *self {
[INFO] [stderr] 132 |             InputGraphMacrocellType::PinOutput |
[INFO] [stderr] 133 |             InputGraphMacrocellType::BuriedComb |
[INFO] [stderr] 134 |             InputGraphMacrocellType::BuriedReg => false,
[INFO] [stderr] 135 |             InputGraphMacrocellType::PinInputReg |
[INFO] [stderr] 136 |             InputGraphMacrocellType::PinInputUnreg => true,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/netlist.rs:130:24
[INFO] [stderr]     |
[INFO] [stderr] 130 |     pub fn is_pininput(&self) -> bool {
[INFO] [stderr]     |                        ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/netlist.rs:131:9
[INFO] [stderr]     |
[INFO] [stderr] 131 | /         match self {
[INFO] [stderr] 132 | |             &InputGraphMacrocellType::PinOutput |
[INFO] [stderr] 133 | |             &InputGraphMacrocellType::BuriedComb |
[INFO] [stderr] 134 | |             &InputGraphMacrocellType::BuriedReg => false,
[INFO] [stderr] 135 | |             &InputGraphMacrocellType::PinInputReg |
[INFO] [stderr] 136 | |             &InputGraphMacrocellType::PinInputUnreg => true,
[INFO] [stderr] 137 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 131 |         match *self {
[INFO] [stderr] 132 |             InputGraphMacrocellType::PinOutput |
[INFO] [stderr] 133 |             InputGraphMacrocellType::BuriedComb |
[INFO] [stderr] 134 |             InputGraphMacrocellType::BuriedReg => false,
[INFO] [stderr] 135 |             InputGraphMacrocellType::PinInputReg |
[INFO] [stderr] 136 |             InputGraphMacrocellType::PinInputUnreg => true,
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/netlist.rs:201:9
[INFO] [stderr]     |
[INFO] [stderr] 201 | /         match self {
[INFO] [stderr] 202 | |             &InputGraphAnyPoolIdx::Macrocell(i) => {
[INFO] [stderr] 203 | |                 serializer.emit_usize(key, i.get_raw_i())?;
[INFO] [stderr] 204 | |                 serializer.emit_str("inputgraph type", "macrocell")
[INFO] [stderr] ...   |
[INFO] [stderr] 221 | |             },
[INFO] [stderr] 222 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 201 |         match *self {
[INFO] [stderr] 202 |             InputGraphAnyPoolIdx::Macrocell(i) => {
[INFO] [stderr] 203 |                 serializer.emit_usize(key, i.get_raw_i())?;
[INFO] [stderr] 204 |                 serializer.emit_str("inputgraph type", "macrocell")
[INFO] [stderr] 205 |             },
[INFO] [stderr] 206 |             InputGraphAnyPoolIdx::PTerm(i) => {
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/netlist.rs:336:9
[INFO] [stderr]     |
[INFO] [stderr] 336 | /         match self {
[INFO] [stderr] 337 | |             &IntermedToInputError::WrongConnectionType(_) => "node is connected to another node of the wrong type",
[INFO] [stderr] 338 | |             &IntermedToInputError::WrongTiedValue(_) => "node input is tied to a disallowed constant",
[INFO] [stderr] 339 | |             &IntermedToInputError::WrongPTermInputs(_) => "p-term inputs incorrect (duplicate or in true+comp)",
[INFO] [stderr] ...   |
[INFO] [stderr] 343 | |             &IntermedToInputError::SanityCheckError(_) => "sanity check failed",
[INFO] [stderr] 344 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 336 |         match *self {
[INFO] [stderr] 337 |             IntermedToInputError::WrongConnectionType(_) => "node is connected to another node of the wrong type",
[INFO] [stderr] 338 |             IntermedToInputError::WrongTiedValue(_) => "node input is tied to a disallowed constant",
[INFO] [stderr] 339 |             IntermedToInputError::WrongPTermInputs(_) => "p-term inputs incorrect (duplicate or in true+comp)",
[INFO] [stderr] 340 |             IntermedToInputError::TooManyFeedbacksUsed(_) => "too many feedback paths used (XOR + register + IO)",
[INFO] [stderr] 341 |             IntermedToInputError::LocMismatchedFB(_, _) => "two LOC constraints have mismatched FB index",
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/netlist.rs:354:9
[INFO] [stderr]     |
[INFO] [stderr] 354 | /         match self {
[INFO] [stderr] 355 | |             &IntermedToInputError::WrongConnectionType(ref s) |
[INFO] [stderr] 356 | |             &IntermedToInputError::WrongTiedValue(ref s) |
[INFO] [stderr] 357 | |             &IntermedToInputError::WrongPTermInputs(ref s) |
[INFO] [stderr] ...   |
[INFO] [stderr] 367 | |             },
[INFO] [stderr] 368 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 354 |         match *self {
[INFO] [stderr] 355 |             IntermedToInputError::WrongConnectionType(ref s) |
[INFO] [stderr] 356 |             IntermedToInputError::WrongTiedValue(ref s) |
[INFO] [stderr] 357 |             IntermedToInputError::WrongPTermInputs(ref s) |
[INFO] [stderr] 358 |             IntermedToInputError::TooManyFeedbacksUsed(ref s) => {
[INFO] [stderr] 359 |                 write!(f, "{} - {}", self.description(), s)
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/netlist.rs:376:36
[INFO] [stderr]     |
[INFO] [stderr] 376 |         let logger = logger.into().unwrap_or(slog::Logger::root(slog_stdlog::StdLog.fuse(), o!()));
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| slog::Logger::root(slog_stdlog::StdLog.fuse(), o!()))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `gathered_mcs`.
[INFO] [stderr]    --> src/netlist.rs:403:18
[INFO] [stderr]     |
[INFO] [stderr] 403 |         for i in 0..gathered_mcs.len() {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 403 |         for <item> in &gathered_mcs {
[INFO] [stderr]     |             ^^^^^^    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 70
[INFO] [stderr]     --> src/netlist.rs:439:9
[INFO] [stderr]      |
[INFO] [stderr] 439  | /         fn process_one_intermed_node<'a>(s: &mut process_one_intermed_node_state<'a>,
[INFO] [stderr] 440  | |             n_idx: ObjPoolIndex<IntermediateGraphNode>, logger: &slog::Logger)
[INFO] [stderr] 441  | |             -> Result<InputGraphAnyPoolIdx, IntermedToInputError> {
[INFO] [stderr] 442  | |
[INFO] [stderr] ...    |
[INFO] [stderr] 1037 | |             }
[INFO] [stderr] 1038 | |         }
[INFO] [stderr]      | |_________^
[INFO] [stderr]      |
[INFO] [stderr]      = help: you could split it up into multiple smaller functions
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/netlist.rs:201:9
[INFO] [stderr]     |
[INFO] [stderr] 201 | /         match self {
[INFO] [stderr] 202 | |             &InputGraphAnyPoolIdx::Macrocell(i) => {
[INFO] [stderr] 203 | |                 serializer.emit_usize(key, i.get_raw_i())?;
[INFO] [stderr] 204 | |                 serializer.emit_str("inputgraph type", "macrocell")
[INFO] [stderr] ...   |
[INFO] [stderr] 221 | |             },
[INFO] [stderr] 222 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 201 |         match *self {
[INFO] [stderr] 202 |             InputGraphAnyPoolIdx::Macrocell(i) => {
[INFO] [stderr] 203 |                 serializer.emit_usize(key, i.get_raw_i())?;
[INFO] [stderr] 204 |                 serializer.emit_str("inputgraph type", "macrocell")
[INFO] [stderr] 205 |             },
[INFO] [stderr] 206 |             InputGraphAnyPoolIdx::PTerm(i) => {
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/netlist.rs:336:9
[INFO] [stderr]     |
[INFO] [stderr] 336 | /         match self {
[INFO] [stderr] 337 | |             &IntermedToInputError::WrongConnectionType(_) => "node is connected to another node of the wrong type",
[INFO] [stderr] 338 | |             &IntermedToInputError::WrongTiedValue(_) => "node input is tied to a disallowed constant",
[INFO] [stderr] 339 | |             &IntermedToInputError::WrongPTermInputs(_) => "p-term inputs incorrect (duplicate or in true+comp)",
[INFO] [stderr] ...   |
[INFO] [stderr] 343 | |             &IntermedToInputError::SanityCheckError(_) => "sanity check failed",
[INFO] [stderr] 344 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 336 |         match *self {
[INFO] [stderr] 337 |             IntermedToInputError::WrongConnectionType(_) => "node is connected to another node of the wrong type",
[INFO] [stderr] 338 |             IntermedToInputError::WrongTiedValue(_) => "node input is tied to a disallowed constant",
[INFO] [stderr] 339 |             IntermedToInputError::WrongPTermInputs(_) => "p-term inputs incorrect (duplicate or in true+comp)",
[INFO] [stderr] 340 |             IntermedToInputError::TooManyFeedbacksUsed(_) => "too many feedback paths used (XOR + register + IO)",
[INFO] [stderr] 341 |             IntermedToInputError::LocMismatchedFB(_, _) => "two LOC constraints have mismatched FB index",
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/netlist.rs:354:9
[INFO] [stderr]     |
[INFO] [stderr] 354 | /         match self {
[INFO] [stderr] 355 | |             &IntermedToInputError::WrongConnectionType(ref s) |
[INFO] [stderr] 356 | |             &IntermedToInputError::WrongTiedValue(ref s) |
[INFO] [stderr] 357 | |             &IntermedToInputError::WrongPTermInputs(ref s) |
[INFO] [stderr] ...   |
[INFO] [stderr] 367 | |             },
[INFO] [stderr] 368 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 354 |         match *self {
[INFO] [stderr] 355 |             IntermedToInputError::WrongConnectionType(ref s) |
[INFO] [stderr] 356 |             IntermedToInputError::WrongTiedValue(ref s) |
[INFO] [stderr] 357 |             IntermedToInputError::WrongPTermInputs(ref s) |
[INFO] [stderr] 358 |             IntermedToInputError::TooManyFeedbacksUsed(ref s) => {
[INFO] [stderr] 359 |                 write!(f, "{} - {}", self.description(), s)
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: use of `unwrap_or` followed by a function call
[INFO] [stderr]    --> src/netlist.rs:376:36
[INFO] [stderr]     |
[INFO] [stderr] 376 |         let logger = logger.into().unwrap_or(slog::Logger::root(slog_stdlog::StdLog.fuse(), o!()));
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| slog::Logger::root(slog_stdlog::StdLog.fuse(), o!()))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `gathered_mcs`.
[INFO] [stderr]    --> src/netlist.rs:403:18
[INFO] [stderr]     |
[INFO] [stderr] 403 |         for i in 0..gathered_mcs.len() {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 403 |         for <item> in &gathered_mcs {
[INFO] [stderr]     |             ^^^^^^    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 70
[INFO] [stderr]     --> src/netlist.rs:439:9
[INFO] [stderr]      |
[INFO] [stderr] 439  | /         fn process_one_intermed_node<'a>(s: &mut process_one_intermed_node_state<'a>,
[INFO] [stderr] 440  | |             n_idx: ObjPoolIndex<IntermediateGraphNode>, logger: &slog::Logger)
[INFO] [stderr] 441  | |             -> Result<InputGraphAnyPoolIdx, IntermedToInputError> {
[INFO] [stderr] 442  | |
[INFO] [stderr] ...    |
[INFO] [stderr] 1037 | |             }
[INFO] [stderr] 1038 | |         }
[INFO] [stderr]      | |_________^
[INFO] [stderr]      |
[INFO] [stderr]      = help: you could split it up into multiple smaller functions
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 36
[INFO] [stderr]     --> src/netlist.rs:1082:5
[INFO] [stderr]      |
[INFO] [stderr] 1082 | /     fn sanity_check(&self, logger: &slog::Logger) -> Result<(), IntermedToInputError> {
[INFO] [stderr] 1083 | |         // Check various connectivity rules in the CPLD
[INFO] [stderr] 1084 | |         for x in self.mcs.iter() {
[INFO] [stderr] 1085 | |             if x.io_feedback_used && x.io_bits.is_none() {
[INFO] [stderr] ...    |
[INFO] [stderr] 1194 | |         Ok(())
[INFO] [stderr] 1195 | |     }
[INFO] [stderr]      | |_____^
[INFO] [stderr]      |
[INFO] [stderr]      = help: you could split it up into multiple smaller functions
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 26
[INFO] [stderr]     --> src/netlist.rs:1198:5
[INFO] [stderr]      |
[INFO] [stderr] 1198 | /     fn unfuse_pterms(&mut self, logger: &slog::Logger) {
[INFO] [stderr] 1199 | |         let mut used_pterms = HashSet::new();
[INFO] [stderr] 1200 | |
[INFO] [stderr] 1201 | |         for mc in self.mcs.iter_mut() {
[INFO] [stderr] ...    |
[INFO] [stderr] 1274 | |         }
[INFO] [stderr] 1275 | |     }
[INFO] [stderr]      | |_____^
[INFO] [stderr]      |
[INFO] [stderr]      = help: you could split it up into multiple smaller functions
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 36
[INFO] [stderr]     --> src/netlist.rs:1082:5
[INFO] [stderr]      |
[INFO] [stderr] 1082 | /     fn sanity_check(&self, logger: &slog::Logger) -> Result<(), IntermedToInputError> {
[INFO] [stderr] 1083 | |         // Check various connectivity rules in the CPLD
[INFO] [stderr] 1084 | |         for x in self.mcs.iter() {
[INFO] [stderr] 1085 | |             if x.io_feedback_used && x.io_bits.is_none() {
[INFO] [stderr] ...    |
[INFO] [stderr] 1194 | |         Ok(())
[INFO] [stderr] 1195 | |     }
[INFO] [stderr]      | |_____^
[INFO] [stderr]      |
[INFO] [stderr]      = help: you could split it up into multiple smaller functions
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/objpool.rs:61:22
[INFO] [stderr]    |
[INFO] [stderr] 61 |     pub fn get_raw_i(&self) -> usize {
[INFO] [stderr]    |                      ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `objpool::ObjPool<T>`
[INFO] [stderr]   --> src/objpool.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 | /     pub fn new() -> ObjPool<T> {
[INFO] [stderr] 79 | |         ObjPool {storage: Vec::new()}
[INFO] [stderr] 80 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 73 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 54
[INFO] [stderr]    --> src/output.rs:31:1
[INFO] [stderr]     |
[INFO] [stderr] 31  | / pub fn produce_bitstream(device_type: XC2DeviceSpeedPackage, g: &InputGraph, go: &OutputGraph) -> XC2Bitstream {
[INFO] [stderr] 32  | |     let mut result = XC2Bitstream::blank_bitstream(device_type);
[INFO] [stderr] 33  | |
[INFO] [stderr] 34  | |     {
[INFO] [stderr] ...   |
[INFO] [stderr] 298 | |     result
[INFO] [stderr] 299 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 26
[INFO] [stderr]     --> src/netlist.rs:1198:5
[INFO] [stderr]      |
[INFO] [stderr] 1198 | /     fn unfuse_pterms(&mut self, logger: &slog::Logger) {
[INFO] [stderr] 1199 | |         let mut used_pterms = HashSet::new();
[INFO] [stderr] 1200 | |
[INFO] [stderr] 1201 | |         for mc in self.mcs.iter_mut() {
[INFO] [stderr] ...    |
[INFO] [stderr] 1274 | |         }
[INFO] [stderr] 1275 | |     }
[INFO] [stderr]      | |_____^
[INFO] [stderr]      |
[INFO] [stderr]      = help: you could split it up into multiple smaller functions
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `fb_i` is used to index `fb_bits`
[INFO] [stderr]   --> src/output.rs:38:21
[INFO] [stderr]    |
[INFO] [stderr] 38 |         for fb_i in 0..go.zia.len() {
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 38 |         for (fb_i, <item>) in fb_bits.iter_mut().enumerate().take(go.zia.len()) {
[INFO] [stderr]    |             ^^^^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/objpool.rs:61:22
[INFO] [stderr]    |
[INFO] [stderr] 61 |     pub fn get_raw_i(&self) -> usize {
[INFO] [stderr]    |                      ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `objpool::ObjPool<T>`
[INFO] [stderr]   --> src/objpool.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 | /     pub fn new() -> ObjPool<T> {
[INFO] [stderr] 79 | |         ObjPool {storage: Vec::new()}
[INFO] [stderr] 80 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 73 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 54
[INFO] [stderr]    --> src/output.rs:31:1
[INFO] [stderr]     |
[INFO] [stderr] 31  | / pub fn produce_bitstream(device_type: XC2DeviceSpeedPackage, g: &InputGraph, go: &OutputGraph) -> XC2Bitstream {
[INFO] [stderr] 32  | |     let mut result = XC2Bitstream::blank_bitstream(device_type);
[INFO] [stderr] 33  | |
[INFO] [stderr] 34  | |     {
[INFO] [stderr] ...   |
[INFO] [stderr] 298 | |     result
[INFO] [stderr] 299 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `fb_i` is used to index `fb_bits`
[INFO] [stderr]   --> src/output.rs:38:21
[INFO] [stderr]    |
[INFO] [stderr] 38 |         for fb_i in 0..go.zia.len() {
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]    |
[INFO] [stderr] 38 |         for (fb_i, <item>) in fb_bits.iter_mut().enumerate().take(go.zia.len()) {
[INFO] [stderr]    |             ^^^^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `xc2par`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `xc2par`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "1a0357cb7b89475c3bdf91ed3f59f3a7dfc409a021fcda5e79707bd95ba631ea"`
[INFO] running `"docker" "rm" "-f" "1a0357cb7b89475c3bdf91ed3f59f3a7dfc409a021fcda5e79707bd95ba631ea"`
[INFO] [stdout] 1a0357cb7b89475c3bdf91ed3f59f3a7dfc409a021fcda5e79707bd95ba631ea