[INFO] cloning repository https://github.com/obs145628/strength-reduction
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/obs145628/strength-reduction" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobs145628%2Fstrength-reduction", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobs145628%2Fstrength-reduction'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 009d943f1f3417ebc12c8fadb2b272a1a2fc8a3e
[INFO] linting obs145628/strength-reduction against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobs145628%2Fstrength-reduction" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/obs145628/strength-reduction
[INFO] finished tweaking git repo https://github.com/obs145628/strength-reduction
[INFO] tweaked toml for git repo https://github.com/obs145628/strength-reduction written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/obs145628/strength-reduction on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/obs145628/strength-reduction already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb8ed68c2df544b5e9cda2d69ca72bd2be73905b78c62eb4f8e0b8f178b9871b
[INFO] running `Command { std: "docker" "start" "-a" "fb8ed68c2df544b5e9cda2d69ca72bd2be73905b78c62eb4f8e0b8f178b9871b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb8ed68c2df544b5e9cda2d69ca72bd2be73905b78c62eb4f8e0b8f178b9871b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb8ed68c2df544b5e9cda2d69ca72bd2be73905b78c62eb4f8e0b8f178b9871b", kill_on_drop: false }`
[INFO] [stdout] fb8ed68c2df544b5e9cda2d69ca72bd2be73905b78c62eb4f8e0b8f178b9871b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 598a18182f3799f284583663fbe741d5dfb0727d5837005ed0e9d11c95dfdd8c
[INFO] running `Command { std: "docker" "start" "-a" "598a18182f3799f284583663fbe741d5dfb0727d5837005ed0e9d11c95dfdd8c", kill_on_drop: false }`
[INFO] [stderr]     Checking strength-reduction v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `BasicBlockRef`, `InstructionRef`, and `ValueRef`
[INFO] [stdout]  --> src/argument.rs:2:36
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::valueref::{ArgumentRef, BasicBlockRef, FunctionRef, InstructionRef, ValueRef};
[INFO] [stdout]   |                                    ^^^^^^^^^^^^^               ^^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ValueRef`
[INFO] [stdout]  --> src/basicblock.rs:2:67
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::valueref::{BasicBlockRef, FunctionRef, InstructionRef, ValueRef};
[INFO] [stdout]   |                                                                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BasicBlockRef`, `FunctionRef`, `InstructionRef`, and `ValueRef`
[INFO] [stdout]  --> src/constant.rs:2:23
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::valueref::{BasicBlockRef, ConstantRef, FunctionRef, InstructionRef, ValueRef};
[INFO] [stdout]   |                       ^^^^^^^^^^^^^               ^^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/digraph.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |         (0..self.v)
[INFO] [stdout]    |         ^         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 55 -         (0..self.v)
[INFO] [stdout] 55 +         0..self.v
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/digraph_order.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |         if (self.visit_unreachable) {
[INFO] [stdout]    |            ^                      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 32 -         if (self.visit_unreachable) {
[INFO] [stdout] 32 +         if self.visit_unreachable  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `InstructionRef` and `ValueRef`
[INFO] [stdout]  --> src/function.rs:2:64
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::valueref::{ArgumentRef, BasicBlockRef, FunctionRef, InstructionRef, ValueRef};
[INFO] [stdout]   |                                                                ^^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ValueRef`
[INFO] [stdout]  --> src/instruction.rs:2:54
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::valueref::{BasicBlockRef, InstructionRef, ValueRef, ValueRefEnum};
[INFO] [stdout]   |                                                      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/isa.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |         if (self.name == "call") {
[INFO] [stdout]    |            ^                   ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 19 -         if (self.name == "call") {
[INFO] [stdout] 19 +         if self.name == "call"  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BasicBlockRef`, `InstructionRef`, and `ValueRef`
[INFO] [stdout]  --> src/argument.rs:2:36
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::valueref::{ArgumentRef, BasicBlockRef, FunctionRef, InstructionRef, ValueRef};
[INFO] [stdout]   |                                    ^^^^^^^^^^^^^               ^^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ValueRef`
[INFO] [stdout]  --> src/basicblock.rs:2:67
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::valueref::{BasicBlockRef, FunctionRef, InstructionRef, ValueRef};
[INFO] [stdout]   |                                                                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BasicBlockRef`, `FunctionRef`, `InstructionRef`, and `ValueRef`
[INFO] [stdout]  --> src/constant.rs:2:23
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::valueref::{BasicBlockRef, ConstantRef, FunctionRef, InstructionRef, ValueRef};
[INFO] [stdout]   |                       ^^^^^^^^^^^^^               ^^^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/digraph.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |         (0..self.v)
[INFO] [stdout]    |         ^         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 55 -         (0..self.v)
[INFO] [stdout] 55 +         0..self.v
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/digraph_order.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |         if (self.visit_unreachable) {
[INFO] [stdout]    |            ^                      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 32 -         if (self.visit_unreachable) {
[INFO] [stdout] 32 +         if self.visit_unreachable  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `InstructionRef` and `ValueRef`
[INFO] [stdout]  --> src/function.rs:2:64
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::valueref::{ArgumentRef, BasicBlockRef, FunctionRef, InstructionRef, ValueRef};
[INFO] [stdout]   |                                                                ^^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ValueRef`
[INFO] [stdout]  --> src/instruction.rs:2:54
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::valueref::{BasicBlockRef, InstructionRef, ValueRef, ValueRefEnum};
[INFO] [stdout]   |                                                      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/isa.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |         if (self.name == "call") {
[INFO] [stdout]    |            ^                   ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 19 -         if (self.name == "call") {
[INFO] [stdout] 19 +         if self.name == "call"  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::checker`
[INFO] [stdout]  --> src/loader.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::checker;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fun`
[INFO] [stdout]    --> src/loader.rs:145:13
[INFO] [stdout]     |
[INFO] [stdout] 145 |         let fun = self.act_fun.unwrap();
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_fun`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/loader.rs:286:9
[INFO] [stdout]     |
[INFO] [stdout] 286 |         _ => unreachable!(),
[INFO] [stdout]     |         ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/loader.rs:286:9
[INFO] [stdout]     |
[INFO] [stdout] 281 |         ValueRefEnum::Ins(r) => "%".to_string() + r.own(ctx).unwrap().val().name(),
[INFO] [stdout]     |         -------------------- matches some of the same values
[INFO] [stdout] 282 |         ValueRefEnum::BB(r) => "@".to_string() + r.own(ctx).unwrap().val().name(),
[INFO] [stdout]     |         ------------------- matches some of the same values
[INFO] [stdout] 283 |         ValueRefEnum::Fun(r) => "@".to_string() + r.own(ctx).unwrap().val().name(),
[INFO] [stdout]     |         -------------------- matches some of the same values
[INFO] [stdout] 284 |         ValueRefEnum::Const(r) => r.own(ctx).unwrap().const_int().to_string(),
[INFO] [stdout]     |         ---------------------- matches some of the same values
[INFO] [stdout] 285 |         ValueRefEnum::Arg(r) => "%".to_string() + r.own(ctx).unwrap().val().name(),
[INFO] [stdout] 286 |         _ => unreachable!(),
[INFO] [stdout]     |         ^ ...and 1 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `arg_pos` and `fun` are never read
[INFO] [stdout]  --> src/argument.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Argument {
[INFO] [stdout]   |            -------- fields in this struct
[INFO] [stdout] 5 |     val: Value,
[INFO] [stdout] 6 |     arg_pos: usize,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 7 |     fun: FunctionRef,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `arg_pos` and `fun` are never used
[INFO] [stdout]   --> src/argument.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Argument {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn arg_pos(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn fun(&self) -> FunctionRef {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `ins_mut`, `insert_begin`, `insert_before`, `insert_after`, `erase`, and `ins_idx` are never used
[INFO] [stdout]   --> src/basicblock.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl BasicBlock {
[INFO] [stdout]    | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn ins_mut(&mut self) -> &mut [InstructionRef] {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn insert_begin(&mut self, ins: InstructionRef) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn insert_before(&mut self, new_ins: InstructionRef, pos: InstructionRef) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn insert_after(&mut self, new_ins: InstructionRef, pos: InstructionRef) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub fn erase(&mut self, ins: InstructionRef) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     fn ins_idx(&self, ins: InstructionRef) -> Option<usize> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/context.rs:160:12
[INFO] [stdout]     |
[INFO] [stdout]  21 | impl Context {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 160 |     pub fn get_data_constant_mut(&mut self, r: ConstantRef) -> Option<&mut Constant> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 195 |     pub fn erase_ins(&mut self, ins: InstructionRef) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 221 |     pub fn ins_detach(&mut self, ins: InstructionRef) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 243 |     pub fn ins_insert_before(&mut self, ins: InstructionRef, pos: InstructionRef) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 254 |     pub fn ins_insert_after(&mut self, ins: InstructionRef, pos: InstructionRef) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 274 |     pub fn erase_bb(&mut self, bb: BasicBlockRef) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 279 |     pub fn bb_detach(&mut self, bb: BasicBlockRef) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 301 |     pub fn bb_insert_before(&mut self, bb: BasicBlockRef, pos: BasicBlockRef) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 312 |     pub fn bb_insert_after(&mut self, bb: BasicBlockRef, pos: BasicBlockRef) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 332 |     fn erase_arg(&mut self, arg: ArgumentRef) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 351 |     pub fn erase_fun(&mut self, fun: FunctionRef) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 356 |     pub fn fun_get_arg_mut(&mut self, fun: FunctionRef, idx: usize) -> &mut Argument {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 377 |     pub fn erase_const(&mut self, c: ConstantRef) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `e` and `del_edge` are never used
[INFO] [stdout]   --> src/digraph.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Digraph {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn e(&self) -> usize {
[INFO] [stdout]    |            ^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn del_edge(&mut self, u: usize, v: usize) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fun` is never read
[INFO] [stdout]  --> src/dom_tree.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct DomTree {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 8 |     fun: FunctionRef,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `idom` and `dom` are never used
[INFO] [stdout]   --> src/dom_tree.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl DomTree {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn idom(&self, bb: BasicBlockRef) -> BasicBlockRef {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn dom(&self, bb: BasicBlockRef) -> Vec<BasicBlockRef> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `bbs_mut`, `insert_begin`, `insert_before`, `insert_after`, `erase`, and `bb_idx` are never used
[INFO] [stdout]   --> src/function.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Function {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn bbs_mut(&mut self) -> &mut [BasicBlockRef] {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn insert_begin(&mut self, bb: BasicBlockRef) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     pub fn insert_before(&mut self, new_bb: BasicBlockRef, pos: BasicBlockRef) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn insert_after(&mut self, new_bb: BasicBlockRef, pos: BasicBlockRef) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     pub fn erase(&mut self, bb: BasicBlockRef) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     fn bb_idx(&self, bb: BasicBlockRef) -> Option<usize> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `name` is never used
[INFO] [stdout]   --> src/isa.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl InsInfos {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 10 |     pub fn name(&self) -> &'static str {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `users`, `users_mut`, and `set_op` are never used
[INFO] [stdout]   --> src/value.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Value {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn users(&self) -> &[ValueRef] {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn users_mut(&mut self) -> &mut [ValueRef] {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn set_op(&mut self, ctx: &mut Context, idx: usize, val: ValueRef) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `own_mut` is never used
[INFO] [stdout]    --> src/valueref.rs:230:12
[INFO] [stdout]     |
[INFO] [stdout] 225 | impl ConstantRef {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 230 |     pub fn own_mut<'a>(&self, ctx: &'a mut Context) -> Option<&'a mut Constant> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `CFG` contains a capitalized acronym
[INFO] [stdout]  --> src/cfg.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct CFG {
[INFO] [stdout]   |            ^^^ help: consider making the acronym lowercase, except the initial letter: `Cfg`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout]   = note: `#[warn(clippy::upper_case_acronyms)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fun`
[INFO] [stdout]    --> src/loader.rs:145:13
[INFO] [stdout]     |
[INFO] [stdout] 145 |         let fun = self.act_fun.unwrap();
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_fun`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you are using an explicit closure for copying elements
[INFO] [stdout]   --> src/checker.rs:94:20
[INFO] [stdout]    |
[INFO] [stdout] 94 |         self.bbs = fun.bbs().iter().map(|x| *x).collect();
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling the dedicated `copied` method: `fun.bbs().iter().copied()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stdout]    = note: `#[warn(clippy::map_clone)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/loader.rs:286:9
[INFO] [stdout]     |
[INFO] [stdout] 286 |         _ => unreachable!(),
[INFO] [stdout]     |         ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/loader.rs:286:9
[INFO] [stdout]     |
[INFO] [stdout] 281 |         ValueRefEnum::Ins(r) => "%".to_string() + r.own(ctx).unwrap().val().name(),
[INFO] [stdout]     |         -------------------- matches some of the same values
[INFO] [stdout] 282 |         ValueRefEnum::BB(r) => "@".to_string() + r.own(ctx).unwrap().val().name(),
[INFO] [stdout]     |         ------------------- matches some of the same values
[INFO] [stdout] 283 |         ValueRefEnum::Fun(r) => "@".to_string() + r.own(ctx).unwrap().val().name(),
[INFO] [stdout]     |         -------------------- matches some of the same values
[INFO] [stdout] 284 |         ValueRefEnum::Const(r) => r.own(ctx).unwrap().const_int().to_string(),
[INFO] [stdout]     |         ---------------------- matches some of the same values
[INFO] [stdout] 285 |         ValueRefEnum::Arg(r) => "%".to_string() + r.own(ctx).unwrap().val().name(),
[INFO] [stdout] 286 |         _ => unreachable!(),
[INFO] [stdout]     |         ^ ...and 1 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function call inside of `expect`
[INFO] [stdout]    --> src/checker.rs:179:33
[INFO] [stdout]     |
[INFO] [stdout] 179 |               let op_pos = op_pos.expect(&format!(
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 180 | |                 "Phi predecesor value for {} is missing in {}",
[INFO] [stdout] 181 | |                 parent_val.own(ctx).unwrap().name(),
[INFO] [stdout] 182 | |                 bb.val().name()
[INFO] [stdout] 183 | |             ));
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stdout]     = note: `#[warn(clippy::expect_fun_call)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 179 ~             let op_pos = op_pos.unwrap_or_else(|| panic!("Phi predecesor value for {} is missing in {}",
[INFO] [stdout] 180 +                 parent_val.own(ctx).unwrap().name(),
[INFO] [stdout] 181 ~                 bb.val().name()));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]   --> src/digraph.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |         write!(os, "digraph G {{\n")?;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout]    = note: `#[warn(clippy::write_with_newline)]` on by default
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]    |
[INFO] [stdout] 78 -         write!(os, "digraph G {{\n")?;
[INFO] [stdout] 78 +         writeln!(os, "digraph G {{")?;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]   --> src/digraph.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 | /             write!(
[INFO] [stdout] 82 | |                 os,
[INFO] [stdout] 83 | |                 "  {} [ label=\"{}\" ];\n",
[INFO] [stdout] 84 | |                 u, self.labels_vertex_names[u]
[INFO] [stdout] 85 | |             )?;
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]    |
[INFO] [stdout] 81 ~             writeln!(
[INFO] [stdout] 82 |                 os,
[INFO] [stdout] 83 ~                 "  {} [ label=\"{}\" ];",
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]   --> src/digraph.rs:89:13
[INFO] [stdout]    |
[INFO] [stdout] 89 |             write!(os, "  {} -> {}\n", u, v)?;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]    |
[INFO] [stdout] 89 -             write!(os, "  {} -> {}\n", u, v)?;
[INFO] [stdout] 89 +             writeln!(os, "  {} -> {}", u, v)?;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]   --> src/digraph.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |         write!(os, "}}\n")
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]    |
[INFO] [stdout] 92 -         write!(os, "}}\n")
[INFO] [stdout] 92 +         writeln!(os, "}}")
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `DFS` contains a capitalized acronym
[INFO] [stdout]   --> src/digraph_order.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct DFS {
[INFO] [stdout]    |        ^^^ help: consider making the acronym lowercase, except the initial letter (notice the capitalization): `Dfs`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `arg_pos` and `fun` are never read
[INFO] [stdout]  --> src/argument.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Argument {
[INFO] [stdout]   |            -------- fields in this struct
[INFO] [stdout] 5 |     val: Value,
[INFO] [stdout] 6 |     arg_pos: usize,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 7 |     fun: FunctionRef,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `arg_pos` and `fun` are never used
[INFO] [stdout]   --> src/argument.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Argument {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn arg_pos(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn fun(&self) -> FunctionRef {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `ins_mut`, `insert_begin`, `insert_before`, `insert_after`, `erase`, and `ins_idx` are never used
[INFO] [stdout]   --> src/basicblock.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl BasicBlock {
[INFO] [stdout]    | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn ins_mut(&mut self) -> &mut [InstructionRef] {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn insert_begin(&mut self, ins: InstructionRef) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn insert_before(&mut self, new_ins: InstructionRef, pos: InstructionRef) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn insert_after(&mut self, new_ins: InstructionRef, pos: InstructionRef) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub fn erase(&mut self, ins: InstructionRef) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     fn ins_idx(&self, ins: InstructionRef) -> Option<usize> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/context.rs:160:12
[INFO] [stdout]     |
[INFO] [stdout]  21 | impl Context {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 160 |     pub fn get_data_constant_mut(&mut self, r: ConstantRef) -> Option<&mut Constant> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 195 |     pub fn erase_ins(&mut self, ins: InstructionRef) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 221 |     pub fn ins_detach(&mut self, ins: InstructionRef) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 243 |     pub fn ins_insert_before(&mut self, ins: InstructionRef, pos: InstructionRef) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 254 |     pub fn ins_insert_after(&mut self, ins: InstructionRef, pos: InstructionRef) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 274 |     pub fn erase_bb(&mut self, bb: BasicBlockRef) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 279 |     pub fn bb_detach(&mut self, bb: BasicBlockRef) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 301 |     pub fn bb_insert_before(&mut self, bb: BasicBlockRef, pos: BasicBlockRef) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 312 |     pub fn bb_insert_after(&mut self, bb: BasicBlockRef, pos: BasicBlockRef) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 332 |     fn erase_arg(&mut self, arg: ArgumentRef) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 351 |     pub fn erase_fun(&mut self, fun: FunctionRef) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 377 |     pub fn erase_const(&mut self, c: ConstantRef) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `e` and `del_edge` are never used
[INFO] [stdout]   --> src/digraph.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Digraph {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn e(&self) -> usize {
[INFO] [stdout]    |            ^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn del_edge(&mut self, u: usize, v: usize) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fun` is never read
[INFO] [stdout]  --> src/dom_tree.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct DomTree {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 8 |     fun: FunctionRef,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `idom` and `dom` are never used
[INFO] [stdout]   --> src/dom_tree.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl DomTree {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn idom(&self, bb: BasicBlockRef) -> BasicBlockRef {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn dom(&self, bb: BasicBlockRef) -> Vec<BasicBlockRef> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `bbs_mut`, `insert_begin`, `insert_before`, `insert_after`, `erase`, and `bb_idx` are never used
[INFO] [stdout]   --> src/function.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Function {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn bbs_mut(&mut self) -> &mut [BasicBlockRef] {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn insert_begin(&mut self, bb: BasicBlockRef) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     pub fn insert_before(&mut self, new_bb: BasicBlockRef, pos: BasicBlockRef) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     pub fn insert_after(&mut self, new_bb: BasicBlockRef, pos: BasicBlockRef) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     pub fn erase(&mut self, bb: BasicBlockRef) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     fn bb_idx(&self, bb: BasicBlockRef) -> Option<usize> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `name` is never used
[INFO] [stdout]   --> src/isa.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl InsInfos {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 10 |     pub fn name(&self) -> &'static str {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `users`, `users_mut`, and `set_op` are never used
[INFO] [stdout]   --> src/value.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Value {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn users(&self) -> &[ValueRef] {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn users_mut(&mut self) -> &mut [ValueRef] {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub fn set_op(&mut self, ctx: &mut Context, idx: usize, val: ValueRef) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `own_mut` is never used
[INFO] [stdout]    --> src/valueref.rs:230:12
[INFO] [stdout]     |
[INFO] [stdout] 225 | impl ConstantRef {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 230 |     pub fn own_mut<'a>(&self, ctx: &'a mut Context) -> Option<&'a mut Constant> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `CFG` contains a capitalized acronym
[INFO] [stdout]  --> src/cfg.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct CFG {
[INFO] [stdout]   |            ^^^ help: consider making the acronym lowercase, except the initial letter: `Cfg`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout]   = note: `#[warn(clippy::upper_case_acronyms)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you should use the `starts_with` method
[INFO] [stdout]   --> src/gop.rs:78:28
[INFO] [stdout]    |
[INFO] [stdout] 78 |         if s.is_empty() || s.chars().next().unwrap() != '.' {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: like this: `!s.starts_with('.')`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#chars_next_cmp
[INFO] [stdout]    = note: `#[warn(clippy::chars_next_cmp)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you should use the `starts_with` method
[INFO] [stdout]    --> src/gop.rs:106:29
[INFO] [stdout]     |
[INFO] [stdout] 106 |         if !s.is_empty() && s.chars().next().unwrap() == '.' {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: like this: `s.starts_with('.')`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#chars_next_cmp
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/gop.rs:163:13
[INFO] [stdout]     |
[INFO] [stdout] 163 |             write!(f, "\n")?;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 163 -             write!(f, "\n")?;
[INFO] [stdout] 163 +             writeln!(f)?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/gop.rs:165:17
[INFO] [stdout]     |
[INFO] [stdout] 165 |                 write!(f, "{}:\n", label)?;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 165 -                 write!(f, "{}:\n", label)?;
[INFO] [stdout] 165 +                 writeln!(f, "{}:", label)?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/gop.rs:170:13
[INFO] [stdout]     |
[INFO] [stdout] 170 |             write!(f, " ; {}\n", comm)?;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 170 -             write!(f, " ; {}\n", comm)?;
[INFO] [stdout] 170 +             writeln!(f, " ; {}", comm)?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/gop.rs:182:9
[INFO] [stdout]     |
[INFO] [stdout] 182 |         write!(f, "\n")
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 182 -         write!(f, "\n")
[INFO] [stdout] 182 +         writeln!(f)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you should use the `starts_with` method
[INFO] [stdout]    --> src/gop.rs:214:16
[INFO] [stdout]     |
[INFO] [stdout] 214 |             if line.chars().next().unwrap() == ';' {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: like this: `line.starts_with(';')`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#chars_next_cmp
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you should use the `ends_with` method
[INFO] [stdout]    --> src/gop.rs:219:16
[INFO] [stdout]     |
[INFO] [stdout] 219 |             if line.chars().last().unwrap() == ':' {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: like this: `line.ends_with(':')`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#chars_last_cmp
[INFO] [stdout]     = note: `#[warn(clippy::chars_last_cmp)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/gop.rs:250:9
[INFO] [stdout]     |
[INFO] [stdout] 250 |         write!(f, "\n")
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 250 -         write!(f, "\n")
[INFO] [stdout] 250 +         writeln!(f)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you are using an explicit closure for copying elements
[INFO] [stdout]   --> src/checker.rs:94:20
[INFO] [stdout]    |
[INFO] [stdout] 94 |         self.bbs = fun.bbs().iter().map(|x| *x).collect();
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling the dedicated `copied` method: `fun.bbs().iter().copied()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stdout]    = note: `#[warn(clippy::map_clone)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: match expression looks like `matches!` macro
[INFO] [stdout]   --> src/instruction.rs:48:25
[INFO] [stdout]    |
[INFO] [stdout] 48 |               .filter(|x| match x.to_enum() {
[INFO] [stdout]    |  _________________________^
[INFO] [stdout] 49 | |                 ValueRefEnum::BB(_) => true,
[INFO] [stdout] 50 | |                 _ => false,
[INFO] [stdout] 51 | |             })
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_like_matches_macro
[INFO] [stdout]    = note: `#[warn(clippy::match_like_matches_macro)]` on by default
[INFO] [stdout] help: use `matches!` directly
[INFO] [stdout]    |
[INFO] [stdout] 48 -             .filter(|x| match x.to_enum() {
[INFO] [stdout] 49 -                 ValueRefEnum::BB(_) => true,
[INFO] [stdout] 50 -                 _ => false,
[INFO] [stdout] 51 -             })
[INFO] [stdout] 48 +             .filter(|x| matches!(x.to_enum(), ValueRefEnum::BB(_)))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/isa.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |         &self.name
[INFO] [stdout]    |         ^^^^^^^^^^ help: change this to: `self.name`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/isa.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         return args[1].chars().next().unwrap() == '%';
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 27 -         return args[1].chars().next().unwrap() == '%';
[INFO] [stdout] 27 +         args[1].chars().next().unwrap() == '%'
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you should use the `starts_with` method
[INFO] [stdout]   --> src/isa.rs:27:16
[INFO] [stdout]    |
[INFO] [stdout] 27 |         return args[1].chars().next().unwrap() == '%';
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: like this: `args[1].starts_with('%')`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#chars_next_cmp
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `ISA` contains a capitalized acronym
[INFO] [stdout]   --> src/isa.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct ISA {
[INFO] [stdout]    |            ^^^ help: consider making the acronym lowercase, except the initial letter: `Isa`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function call inside of `expect`
[INFO] [stdout]    --> src/checker.rs:179:33
[INFO] [stdout]     |
[INFO] [stdout] 179 |               let op_pos = op_pos.expect(&format!(
[INFO] [stdout]     |  _________________________________^
[INFO] [stdout] 180 | |                 "Phi predecesor value for {} is missing in {}",
[INFO] [stdout] 181 | |                 parent_val.own(ctx).unwrap().name(),
[INFO] [stdout] 182 | |                 bb.val().name()
[INFO] [stdout] 183 | |             ));
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stdout]     = note: `#[warn(clippy::expect_fun_call)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 179 ~             let op_pos = op_pos.unwrap_or_else(|| panic!("Phi predecesor value for {} is missing in {}",
[INFO] [stdout] 180 +                 parent_val.own(ctx).unwrap().name(),
[INFO] [stdout] 181 ~                 bb.val().name()));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/loader.rs:82:32
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let fun = ctx.make_fun(&fun_name, args_count, false);
[INFO] [stdout]    |                                ^^^^^^^^^ help: change this to: `fun_name`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/loader.rs:113:45
[INFO] [stdout]     |
[INFO] [stdout] 113 |             .map(|arg| self.handle_arg(ctx, &arg))
[INFO] [stdout]     |                                             ^^^^ help: change this to: `arg`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual `RangeInclusive::contains` implementation
[INFO] [stdout]    --> src/loader.rs:136:24
[INFO] [stdout]     |
[INFO] [stdout] 136 |         if f == '-' || (f >= '0' && f <= '9') {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^ help: use: `('0'..='9').contains(&f)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_range_contains
[INFO] [stdout]     = note: `#[warn(clippy::manual_range_contains)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function call inside of `expect`
[INFO] [stdout]    --> src/loader.rs:181:43
[INFO] [stdout]     |
[INFO] [stdout] 181 |               *self.vars_map.get(&arg[1..]).expect(&format!(
[INFO] [stdout]     |  ___________________________________________^
[INFO] [stdout] 182 | |                 "Use undefined register value {} at {:?}",
[INFO] [stdout] 183 | |                 &arg[1..],
[INFO] [stdout] 184 | |                 args
[INFO] [stdout] 185 | |             ))
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 181 ~             *self.vars_map.get(&arg[1..]).unwrap_or_else(|| panic!("Use undefined register value {} at {:?}",
[INFO] [stdout] 182 +                 &arg[1..],
[INFO] [stdout] 183 +                 args))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `unwrap` on `it` after checking its variant with `is_some`
[INFO] [stdout]    --> src/loader.rs:207:21
[INFO] [stdout]     |
[INFO] [stdout] 206 |         if it.is_some() {
[INFO] [stdout]     |         --------------- help: try: `if let Some(<item>) = it`
[INFO] [stdout] 207 |             return *it.unwrap();
[INFO] [stdout]     |                     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_unwrap
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_unwrap)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/value.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |         if !self.users.iter().find(|x| **x == v).is_some() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.users.iter().find(|x| **x == v).is_none()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]   --> src/digraph.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |         write!(os, "digraph G {{\n")?;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout]    = note: `#[warn(clippy::write_with_newline)]` on by default
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]    |
[INFO] [stdout] 78 -         write!(os, "digraph G {{\n")?;
[INFO] [stdout] 78 +         writeln!(os, "digraph G {{")?;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]   --> src/digraph.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 | /             write!(
[INFO] [stdout] 82 | |                 os,
[INFO] [stdout] 83 | |                 "  {} [ label=\"{}\" ];\n",
[INFO] [stdout] 84 | |                 u, self.labels_vertex_names[u]
[INFO] [stdout] 85 | |             )?;
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]    |
[INFO] [stdout] 81 ~             writeln!(
[INFO] [stdout] 82 |                 os,
[INFO] [stdout] 83 ~                 "  {} [ label=\"{}\" ];",
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods with the following characteristics: (`to_*` and `self` type is `Copy`) usually take `self` by value
[INFO] [stdout]    --> src/valueref.rs:281:20
[INFO] [stdout]     |
[INFO] [stdout] 281 |     pub fn to_enum(&self) -> ValueRefEnum {
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider choosing a less ambiguous name
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stdout]     = note: `#[warn(clippy::wrong_self_convention)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]   --> src/digraph.rs:89:13
[INFO] [stdout]    |
[INFO] [stdout] 89 |             write!(os, "  {} -> {}\n", u, v)?;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]    |
[INFO] [stdout] 89 -             write!(os, "  {} -> {}\n", u, v)?;
[INFO] [stdout] 89 +             writeln!(os, "  {} -> {}", u, v)?;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]   --> src/digraph.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |         write!(os, "}}\n")
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]    |
[INFO] [stdout] 92 -         write!(os, "}}\n")
[INFO] [stdout] 92 +         writeln!(os, "}}")
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/main.rs:31:52
[INFO] [stdout]    |
[INFO] [stdout] 31 |     loader::load_gop(&mut ctx, &gop::Module::parse(&fpath));
[INFO] [stdout]    |                                                    ^^^^^^ help: change this to: `fpath`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `DFS` contains a capitalized acronym
[INFO] [stdout]   --> src/digraph_order.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct DFS {
[INFO] [stdout]    |        ^^^ help: consider making the acronym lowercase, except the initial letter (notice the capitalization): `Dfs`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you should use the `starts_with` method
[INFO] [stdout]   --> src/gop.rs:78:28
[INFO] [stdout]    |
[INFO] [stdout] 78 |         if s.is_empty() || s.chars().next().unwrap() != '.' {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: like this: `!s.starts_with('.')`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#chars_next_cmp
[INFO] [stdout]    = note: `#[warn(clippy::chars_next_cmp)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you should use the `starts_with` method
[INFO] [stdout]    --> src/gop.rs:106:29
[INFO] [stdout]     |
[INFO] [stdout] 106 |         if !s.is_empty() && s.chars().next().unwrap() == '.' {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: like this: `s.starts_with('.')`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#chars_next_cmp
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/gop.rs:163:13
[INFO] [stdout]     |
[INFO] [stdout] 163 |             write!(f, "\n")?;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 163 -             write!(f, "\n")?;
[INFO] [stdout] 163 +             writeln!(f)?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/gop.rs:165:17
[INFO] [stdout]     |
[INFO] [stdout] 165 |                 write!(f, "{}:\n", label)?;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 165 -                 write!(f, "{}:\n", label)?;
[INFO] [stdout] 165 +                 writeln!(f, "{}:", label)?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/gop.rs:170:13
[INFO] [stdout]     |
[INFO] [stdout] 170 |             write!(f, " ; {}\n", comm)?;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 170 -             write!(f, " ; {}\n", comm)?;
[INFO] [stdout] 170 +             writeln!(f, " ; {}", comm)?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/gop.rs:182:9
[INFO] [stdout]     |
[INFO] [stdout] 182 |         write!(f, "\n")
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 182 -         write!(f, "\n")
[INFO] [stdout] 182 +         writeln!(f)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you should use the `starts_with` method
[INFO] [stdout]    --> src/gop.rs:214:16
[INFO] [stdout]     |
[INFO] [stdout] 214 |             if line.chars().next().unwrap() == ';' {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: like this: `line.starts_with(';')`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#chars_next_cmp
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you should use the `ends_with` method
[INFO] [stdout]    --> src/gop.rs:219:16
[INFO] [stdout]     |
[INFO] [stdout] 219 |             if line.chars().last().unwrap() == ':' {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: like this: `line.ends_with(':')`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#chars_last_cmp
[INFO] [stdout]     = note: `#[warn(clippy::chars_last_cmp)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `write!()` with a format string that ends in a single newline
[INFO] [stdout]    --> src/gop.rs:250:9
[INFO] [stdout]     |
[INFO] [stdout] 250 |         write!(f, "\n")
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stdout] help: use `writeln!` instead
[INFO] [stdout]     |
[INFO] [stdout] 250 -         write!(f, "\n")
[INFO] [stdout] 250 +         writeln!(f)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: match expression looks like `matches!` macro
[INFO] [stdout]   --> src/instruction.rs:48:25
[INFO] [stdout]    |
[INFO] [stdout] 48 |               .filter(|x| match x.to_enum() {
[INFO] [stdout]    |  _________________________^
[INFO] [stdout] 49 | |                 ValueRefEnum::BB(_) => true,
[INFO] [stdout] 50 | |                 _ => false,
[INFO] [stdout] 51 | |             })
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_like_matches_macro
[INFO] [stdout]    = note: `#[warn(clippy::match_like_matches_macro)]` on by default
[INFO] [stdout] help: use `matches!` directly
[INFO] [stdout]    |
[INFO] [stdout] 48 -             .filter(|x| match x.to_enum() {
[INFO] [stdout] 49 -                 ValueRefEnum::BB(_) => true,
[INFO] [stdout] 50 -                 _ => false,
[INFO] [stdout] 51 -             })
[INFO] [stdout] 48 +             .filter(|x| matches!(x.to_enum(), ValueRefEnum::BB(_)))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/isa.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |         &self.name
[INFO] [stdout]    |         ^^^^^^^^^^ help: change this to: `self.name`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/isa.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         return args[1].chars().next().unwrap() == '%';
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 27 -         return args[1].chars().next().unwrap() == '%';
[INFO] [stdout] 27 +         args[1].chars().next().unwrap() == '%'
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you should use the `starts_with` method
[INFO] [stdout]   --> src/isa.rs:27:16
[INFO] [stdout]    |
[INFO] [stdout] 27 |         return args[1].chars().next().unwrap() == '%';
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: like this: `args[1].starts_with('%')`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#chars_next_cmp
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: name `ISA` contains a capitalized acronym
[INFO] [stdout]   --> src/isa.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct ISA {
[INFO] [stdout]    |            ^^^ help: consider making the acronym lowercase, except the initial letter: `Isa`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#upper_case_acronyms
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/loader.rs:82:32
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let fun = ctx.make_fun(&fun_name, args_count, false);
[INFO] [stdout]    |                                ^^^^^^^^^ help: change this to: `fun_name`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/loader.rs:113:45
[INFO] [stdout]     |
[INFO] [stdout] 113 |             .map(|arg| self.handle_arg(ctx, &arg))
[INFO] [stdout]     |                                             ^^^^ help: change this to: `arg`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual `RangeInclusive::contains` implementation
[INFO] [stdout]    --> src/loader.rs:136:24
[INFO] [stdout]     |
[INFO] [stdout] 136 |         if f == '-' || (f >= '0' && f <= '9') {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^ help: use: `('0'..='9').contains(&f)`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_range_contains
[INFO] [stdout]     = note: `#[warn(clippy::manual_range_contains)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function call inside of `expect`
[INFO] [stdout]    --> src/loader.rs:181:43
[INFO] [stdout]     |
[INFO] [stdout] 181 |               *self.vars_map.get(&arg[1..]).expect(&format!(
[INFO] [stdout]     |  ___________________________________________^
[INFO] [stdout] 182 | |                 "Use undefined register value {} at {:?}",
[INFO] [stdout] 183 | |                 &arg[1..],
[INFO] [stdout] 184 | |                 args
[INFO] [stdout] 185 | |             ))
[INFO] [stdout]     | |______________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#expect_fun_call
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 181 ~             *self.vars_map.get(&arg[1..]).unwrap_or_else(|| panic!("Use undefined register value {} at {:?}",
[INFO] [stdout] 182 +                 &arg[1..],
[INFO] [stdout] 183 +                 args))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `unwrap` on `it` after checking its variant with `is_some`
[INFO] [stdout]    --> src/loader.rs:207:21
[INFO] [stdout]     |
[INFO] [stdout] 206 |         if it.is_some() {
[INFO] [stdout]     |         --------------- help: try: `if let Some(<item>) = it`
[INFO] [stdout] 207 |             return *it.unwrap();
[INFO] [stdout]     |                     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_unwrap
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_unwrap)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/value.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |         if !self.users.iter().find(|x| **x == v).is_some() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.users.iter().find(|x| **x == v).is_none()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods with the following characteristics: (`to_*` and `self` type is `Copy`) usually take `self` by value
[INFO] [stdout]    --> src/valueref.rs:281:20
[INFO] [stdout]     |
[INFO] [stdout] 281 |     pub fn to_enum(&self) -> ValueRefEnum {
[INFO] [stdout]     |                    ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider choosing a less ambiguous name
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stdout]     = note: `#[warn(clippy::wrong_self_convention)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/main.rs:31:52
[INFO] [stdout]    |
[INFO] [stdout] 31 |     loader::load_gop(&mut ctx, &gop::Module::parse(&fpath));
[INFO] [stdout]    |                                                    ^^^^^^ help: change this to: `fpath`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "598a18182f3799f284583663fbe741d5dfb0727d5837005ed0e9d11c95dfdd8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "598a18182f3799f284583663fbe741d5dfb0727d5837005ed0e9d11c95dfdd8c", kill_on_drop: false }`
[INFO] [stdout] 598a18182f3799f284583663fbe741d5dfb0727d5837005ed0e9d11c95dfdd8c