[INFO] cloning repository https://github.com/cre-chan/MCIR
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cre-chan/MCIR" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcre-chan%2FMCIR", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcre-chan%2FMCIR'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 12a6b256c1d58df5879ab7ecacdc00bb286f8fc2
[INFO] checking cre-chan/MCIR against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcre-chan%2FMCIR" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cre-chan/MCIR on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cre-chan/MCIR
[INFO] finished tweaking git repo https://github.com/cre-chan/MCIR
[INFO] tweaked toml for git repo https://github.com/cre-chan/MCIR written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/cre-chan/MCIR already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 035d45715a61b46fdd47e92241a3484b74f1d4c10b10d9793e7a684b7c501a69
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "035d45715a61b46fdd47e92241a3484b74f1d4c10b10d9793e7a684b7c501a69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "035d45715a61b46fdd47e92241a3484b74f1d4c10b10d9793e7a684b7c501a69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "035d45715a61b46fdd47e92241a3484b74f1d4c10b10d9793e7a684b7c501a69", kill_on_drop: false }`
[INFO] [stdout] 035d45715a61b46fdd47e92241a3484b74f1d4c10b10d9793e7a684b7c501a69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 08beeb9e46ea1f048a93b85175fe55e8cef3d2b855e20e361b5f3fafba05a194
[INFO] running `Command { std: "docker" "start" "-a" "08beeb9e46ea1f048a93b85175fe55e8cef3d2b855e20e361b5f3fafba05a194", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.37
[INFO] [stderr]    Compiling pest v2.1.1
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling pest_meta v2.1.1
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking MCIR v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: argument must be of the form: `expected = "error message"`
[INFO] [stdout]   --> src/frontend/parser/tiger_parser/token.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 87 |     #[should_panic("Expecting char. Identifier found")]
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: errors in this attribute were erroneously allowed and will become a hard error in a future release.
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::frontend::parser::AST::exp`
[INFO] [stdout]  --> src/frontend/parser/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::frontend::parser::AST::exp;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `lvalue` should have an upper camel case name
[INFO] [stdout]   --> src/frontend/parser/AST.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub enum lvalue{
[INFO] [stdout]    |          ^^^^^^ help: convert the identifier to upper camel case: `Lvalue`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `exp` should have an upper camel case name
[INFO] [stdout]   --> src/frontend/parser/AST.rs:32:10
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub enum exp{
[INFO] [stdout]    |          ^^^ help: convert the identifier to upper camel case: `Exp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `decl` should have an upper camel case name
[INFO] [stdout]   --> src/frontend/parser/AST.rs:54:10
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub enum decl{
[INFO] [stdout]    |          ^^^^ help: convert the identifier to upper camel case: `Decl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `typ` should have an upper camel case name
[INFO] [stdout]   --> src/frontend/parser/AST.rs:63:10
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub enum typ{
[INFO] [stdout]    |          ^^^ help: convert the identifier to upper camel case: `Typ`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `field` should have an upper camel case name
[INFO] [stdout]   --> src/frontend/parser/AST.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub struct field{ name:Symbol,typ:Symbol }//name:typ
[INFO] [stdout]    |            ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `fundec` should have an upper camel case name
[INFO] [stdout]   --> src/frontend/parser/AST.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub struct fundec{
[INFO] [stdout]    |            ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Fundec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `namety` should have an upper camel case name
[INFO] [stdout]   --> src/frontend/parser/AST.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub struct namety{
[INFO] [stdout]    |            ^^^^^^ help: convert the identifier to upper camel case: `Namety`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `efield` should have an upper camel case name
[INFO] [stdout]   --> src/frontend/parser/AST.rs:95:13
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub struct  efield{name:Symbol,expr:exp}
[INFO] [stdout]    |             ^^^^^^ help: convert the identifier to upper camel case: `Efield`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/frontend/parser/tiger_parser/mod.rs:35:28
[INFO] [stdout]    |
[INFO] [stdout] 35 |         src.read_to_string((&mut src_string));
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/frontend/parser/tiger_parser/token.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     use std::fs::File;
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/frontend/parser/tiger_parser/token.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     use std::io::Read;
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `*`, `self`
[INFO] [stdout]    --> src/frontend/parser/tiger_parser/token.rs:149:24
[INFO] [stdout]     |
[INFO] [stdout] 149 | use super::ParserErr::{self,*};
[INFO] [stdout]     |                        ^^^^ ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::frontend::parser::AST::exp`
[INFO] [stdout]  --> src/frontend/parser/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::frontend::parser::AST::exp;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `lvalue` should have an upper camel case name
[INFO] [stdout]   --> src/frontend/parser/AST.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub enum lvalue{
[INFO] [stdout]    |          ^^^^^^ help: convert the identifier to upper camel case: `Lvalue`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `exp` should have an upper camel case name
[INFO] [stdout]   --> src/frontend/parser/AST.rs:32:10
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub enum exp{
[INFO] [stdout]    |          ^^^ help: convert the identifier to upper camel case: `Exp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `decl` should have an upper camel case name
[INFO] [stdout]   --> src/frontend/parser/AST.rs:54:10
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub enum decl{
[INFO] [stdout]    |          ^^^^ help: convert the identifier to upper camel case: `Decl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `typ` should have an upper camel case name
[INFO] [stdout]   --> src/frontend/parser/AST.rs:63:10
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub enum typ{
[INFO] [stdout]    |          ^^^ help: convert the identifier to upper camel case: `Typ`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `field` should have an upper camel case name
[INFO] [stdout]   --> src/frontend/parser/AST.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub struct field{ name:Symbol,typ:Symbol }//name:typ
[INFO] [stdout]    |            ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `fundec` should have an upper camel case name
[INFO] [stdout]   --> src/frontend/parser/AST.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub struct fundec{
[INFO] [stdout]    |            ^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Fundec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `namety` should have an upper camel case name
[INFO] [stdout]   --> src/frontend/parser/AST.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub struct namety{
[INFO] [stdout]    |            ^^^^^^ help: convert the identifier to upper camel case: `Namety`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `efield` should have an upper camel case name
[INFO] [stdout]   --> src/frontend/parser/AST.rs:95:13
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub struct  efield{name:Symbol,expr:exp}
[INFO] [stdout]    |             ^^^^^^ help: convert the identifier to upper camel case: `Efield`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pest::Parser`
[INFO] [stdout]  --> src/frontend/parser/tiger_parser/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use pest::Parser;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pest::iterators::*`
[INFO] [stdout]  --> src/frontend/parser/tiger_parser/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use pest::iterators::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `*`, `self`
[INFO] [stdout]    --> src/frontend/parser/tiger_parser/token.rs:149:24
[INFO] [stdout]     |
[INFO] [stdout] 149 | use super::ParserErr::{self,*};
[INFO] [stdout]     |                        ^^^^ ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `src`
[INFO] [stdout]   --> src/frontend/parser/tiger_parser/mod.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub fn run(src:String)->ParseResult{
[INFO] [stdout]    |            ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `src`
[INFO] [stdout]   --> src/frontend/parser/tiger_parser/mod.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub fn run(src:String)->ParseResult{
[INFO] [stdout]    |            ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id_name`
[INFO] [stdout]   --> src/frontend/parser/tiger_parser/token.rs:96:13
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let id_name=transform_ch(id);
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_id_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Cons`
[INFO] [stdout]  --> src/frontend/parser/AST.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Cons(T,Box<Self>),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Nil`
[INFO] [stdout]  --> src/frontend/parser/AST.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Nil
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Simple`
[INFO] [stdout]   --> src/frontend/parser/AST.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     Simple{sym:Symbol},//sym
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Field`
[INFO] [stdout]   --> src/frontend/parser/AST.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Field{var:Box<lvalue>,field:Symbol},//var.field
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Subscript`
[INFO] [stdout]   --> src/frontend/parser/AST.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Subscript{var:Box<lvalue>,index:Box<exp>}//var[index]
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Var`
[INFO] [stdout]   --> src/frontend/parser/AST.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Var{var:Box<lvalue>},//var
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Nil`
[INFO] [stdout]   --> src/frontend/parser/AST.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Nil,//Nil
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Int`
[INFO] [stdout]   --> src/frontend/parser/AST.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     Int{i:i64},//i
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `String`
[INFO] [stdout]   --> src/frontend/parser/AST.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     String{s:Symbol},//s
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Call`
[INFO] [stdout]   --> src/frontend/parser/AST.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     Call{func:Symbol,args:Box<Explist>},//func(args)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Op`
[INFO] [stdout]   --> src/frontend/parser/AST.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     Op{oper: Operator,lop:Box<exp>,rop:Box<exp>},//lop op rop
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Record`
[INFO] [stdout]   --> src/frontend/parser/AST.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     Record{typ:Symbol,fields:Box<EfieldList>},//typ{fields}
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Seq`
[INFO] [stdout]   --> src/frontend/parser/AST.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     Seq{seq:Box<Explist>},//Explist, a sequence of consecutive expressions
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Assign`
[INFO] [stdout]   --> src/frontend/parser/AST.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     Assign{var:Box<lvalue>,expr:Box<exp>},//var:=Box<exp>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `If`
[INFO] [stdout]   --> src/frontend/parser/AST.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     If{test:Box<exp>,then:Box<exp>,els:Box<exp>},//if test then Box<exp> else Box<exp>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `While`
[INFO] [stdout]   --> src/frontend/parser/AST.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     While{test:Box<exp>,body:Box<exp>},//while test {Box<exp>}
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Break`
[INFO] [stdout]   --> src/frontend/parser/AST.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     Break,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `For`
[INFO] [stdout]   --> src/frontend/parser/AST.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     For{var:Symbol,lo:Box<exp>,hi:Box<exp>,body:Box<exp>},//for var in lo..hi {Box<exp>}
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Let`
[INFO] [stdout]   --> src/frontend/parser/AST.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     Let{decs:Box<Declist>,body:Box<exp>},//let Declist in body
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Array`
[INFO] [stdout]   --> src/frontend/parser/AST.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     Array{typ:Symbol,size:Box<exp>,init:Box<exp>}//
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Func`
[INFO] [stdout]   --> src/frontend/parser/AST.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     Func{function: Fundeclist },//consecutive definition of functions
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Var`
[INFO] [stdout]   --> src/frontend/parser/AST.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     Var{var:Symbol,typ:Symbol,init:Box<exp>},//var var:typ=init
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Type`
[INFO] [stdout]   --> src/frontend/parser/AST.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     Type{typs:NameTyList}//consecutive definition of types
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Namely`
[INFO] [stdout]   --> src/frontend/parser/AST.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 |     Namely{name:Symbol},//alias for a type
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Record`
[INFO] [stdout]   --> src/frontend/parser/AST.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 |     Record{fields: Fieldlist },//record type
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Array`
[INFO] [stdout]   --> src/frontend/parser/AST.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     Array{array:Symbol}
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Plus`
[INFO] [stdout]    --> src/frontend/parser/AST.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 102 |     Plus,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Minus`
[INFO] [stdout]    --> src/frontend/parser/AST.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout] 103 |     Minus,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Times`
[INFO] [stdout]    --> src/frontend/parser/AST.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 104 |     Times,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Div`
[INFO] [stdout]    --> src/frontend/parser/AST.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 |     Div,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_src`
[INFO] [stdout]   --> src/frontend/parser/tiger_parser/mod.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn parse_src(src:&str,rule:Rule)->Pair<Rule>{
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `expecting_plusorminus`
[INFO] [stdout]    --> src/frontend/parser/tiger_parser/token.rs:248:8
[INFO] [stdout]     |
[INFO] [stdout] 248 | pub fn expecting_plusorminus(plus_or_minus:Pair<Rule>) ->Operator{
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `expecting_timesordiv`
[INFO] [stdout]    --> src/frontend/parser/tiger_parser/token.rs:263:8
[INFO] [stdout]     |
[INFO] [stdout] 263 | pub fn expecting_timesordiv(timesordiv:Pair<Rule>)->Operator{
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NotImplementedErr`
[INFO] [stdout]   --> src/frontend/parser/tiger_parser/mod.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     NotImplementedErr,//special error for the unimplemented
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Expecting`
[INFO] [stdout]   --> src/frontend/parser/tiger_parser/mod.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     Expecting(Rule)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `ParseResult`
[INFO] [stdout]   --> src/frontend/parser/tiger_parser/mod.rs:66:1
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub type ParseResult=Result<exp,ParserErr>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/frontend/parser/tiger_parser/mod.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub fn run(src:String)->ParseResult{
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `MCIR` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `mcir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `SymbolTable`
[INFO] [stdout]   --> src/frontend/Semantics/mod.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct SymbolTable<'a>{
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/frontend/Semantics/mod.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn new()->Self{
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_symbol`
[INFO] [stdout]   --> src/frontend/Semantics/mod.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn get_symbol(&mut self, string:&'a str) ->Symbol{
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Cons`
[INFO] [stdout]  --> src/frontend/parser/AST.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Cons(T,Box<Self>),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Nil`
[INFO] [stdout]  --> src/frontend/parser/AST.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Nil
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Simple`
[INFO] [stdout]   --> src/frontend/parser/AST.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     Simple{sym:Symbol},//sym
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Field`
[INFO] [stdout]   --> src/frontend/parser/AST.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Field{var:Box<lvalue>,field:Symbol},//var.field
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Subscript`
[INFO] [stdout]   --> src/frontend/parser/AST.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Subscript{var:Box<lvalue>,index:Box<exp>}//var[index]
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Var`
[INFO] [stdout]   --> src/frontend/parser/AST.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Var{var:Box<lvalue>},//var
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Nil`
[INFO] [stdout]   --> src/frontend/parser/AST.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Nil,//Nil
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Int`
[INFO] [stdout]   --> src/frontend/parser/AST.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     Int{i:i64},//i
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `String`
[INFO] [stdout]   --> src/frontend/parser/AST.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     String{s:Symbol},//s
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Call`
[INFO] [stdout]   --> src/frontend/parser/AST.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     Call{func:Symbol,args:Box<Explist>},//func(args)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Op`
[INFO] [stdout]   --> src/frontend/parser/AST.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     Op{oper: Operator,lop:Box<exp>,rop:Box<exp>},//lop op rop
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Record`
[INFO] [stdout]   --> src/frontend/parser/AST.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     Record{typ:Symbol,fields:Box<EfieldList>},//typ{fields}
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Seq`
[INFO] [stdout]   --> src/frontend/parser/AST.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     Seq{seq:Box<Explist>},//Explist, a sequence of consecutive expressions
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Assign`
[INFO] [stdout]   --> src/frontend/parser/AST.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     Assign{var:Box<lvalue>,expr:Box<exp>},//var:=Box<exp>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `If`
[INFO] [stdout]   --> src/frontend/parser/AST.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     If{test:Box<exp>,then:Box<exp>,els:Box<exp>},//if test then Box<exp> else Box<exp>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `While`
[INFO] [stdout]   --> src/frontend/parser/AST.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     While{test:Box<exp>,body:Box<exp>},//while test {Box<exp>}
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Break`
[INFO] [stdout]   --> src/frontend/parser/AST.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     Break,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `For`
[INFO] [stdout]   --> src/frontend/parser/AST.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     For{var:Symbol,lo:Box<exp>,hi:Box<exp>,body:Box<exp>},//for var in lo..hi {Box<exp>}
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Let`
[INFO] [stdout]   --> src/frontend/parser/AST.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     Let{decs:Box<Declist>,body:Box<exp>},//let Declist in body
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Array`
[INFO] [stdout]   --> src/frontend/parser/AST.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     Array{typ:Symbol,size:Box<exp>,init:Box<exp>}//
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Func`
[INFO] [stdout]   --> src/frontend/parser/AST.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     Func{function: Fundeclist },//consecutive definition of functions
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Var`
[INFO] [stdout]   --> src/frontend/parser/AST.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     Var{var:Symbol,typ:Symbol,init:Box<exp>},//var var:typ=init
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Type`
[INFO] [stdout]   --> src/frontend/parser/AST.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     Type{typs:NameTyList}//consecutive definition of types
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Namely`
[INFO] [stdout]   --> src/frontend/parser/AST.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 |     Namely{name:Symbol},//alias for a type
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Record`
[INFO] [stdout]   --> src/frontend/parser/AST.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 |     Record{fields: Fieldlist },//record type
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Array`
[INFO] [stdout]   --> src/frontend/parser/AST.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     Array{array:Symbol}
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Plus`
[INFO] [stdout]    --> src/frontend/parser/AST.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 102 |     Plus,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Minus`
[INFO] [stdout]    --> src/frontend/parser/AST.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout] 103 |     Minus,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Times`
[INFO] [stdout]    --> src/frontend/parser/AST.rs:104:5
[INFO] [stdout]     |
[INFO] [stdout] 104 |     Times,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Div`
[INFO] [stdout]    --> src/frontend/parser/AST.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 |     Div,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Eq`
[INFO] [stdout]    --> src/frontend/parser/AST.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 106 |     Eq,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Neq`
[INFO] [stdout]    --> src/frontend/parser/AST.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 107 |     Neq,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LT`
[INFO] [stdout]    --> src/frontend/parser/AST.rs:108:5
[INFO] [stdout]     |
[INFO] [stdout] 108 |     LT,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LE`
[INFO] [stdout]    --> src/frontend/parser/AST.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 109 |     LE,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `GT`
[INFO] [stdout]    --> src/frontend/parser/AST.rs:110:5
[INFO] [stdout]     |
[INFO] [stdout] 110 |     GT,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `GE`
[INFO] [stdout]    --> src/frontend/parser/AST.rs:111:5
[INFO] [stdout]     |
[INFO] [stdout] 111 |     GE
[INFO] [stdout]     |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `expect_identifier`
[INFO] [stdout]    --> src/frontend/parser/tiger_parser/token.rs:156:8
[INFO] [stdout]     |
[INFO] [stdout] 156 | pub fn expect_identifier(id:Pair<Rule>)->String{
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `expect_interger`
[INFO] [stdout]    --> src/frontend/parser/tiger_parser/token.rs:165:8
[INFO] [stdout]     |
[INFO] [stdout] 165 | pub fn expect_interger(int:Pair<Rule>)->u32{
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `expect_string`
[INFO] [stdout]    --> src/frontend/parser/tiger_parser/token.rs:177:8
[INFO] [stdout]     |
[INFO] [stdout] 177 | pub fn expect_string(string:Pair<Rule>)->String{
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `expect_inner`
[INFO] [stdout]    --> src/frontend/parser/tiger_parser/token.rs:186:8
[INFO] [stdout]     |
[INFO] [stdout] 186 | pub fn expect_inner(inner:Pair<Rule>)->String{
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `transform_ch`
[INFO] [stdout]    --> src/frontend/parser/tiger_parser/token.rs:201:8
[INFO] [stdout]     |
[INFO] [stdout] 201 | pub fn transform_ch(c:Pair<Rule>)->String{
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `expecting_compareop`
[INFO] [stdout]    --> src/frontend/parser/tiger_parser/token.rs:230:8
[INFO] [stdout]     |
[INFO] [stdout] 230 | pub fn expecting_compareop(compareop:Pair<Rule>)->Operator{
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `expecting_plusorminus`
[INFO] [stdout]    --> src/frontend/parser/tiger_parser/token.rs:248:8
[INFO] [stdout]     |
[INFO] [stdout] 248 | pub fn expecting_plusorminus(plus_or_minus:Pair<Rule>) ->Operator{
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `expecting_timesordiv`
[INFO] [stdout]    --> src/frontend/parser/tiger_parser/token.rs:263:8
[INFO] [stdout]     |
[INFO] [stdout] 263 | pub fn expecting_timesordiv(timesordiv:Pair<Rule>)->Operator{
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NotImplementedErr`
[INFO] [stdout]   --> src/frontend/parser/tiger_parser/mod.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     NotImplementedErr,//special error for the unimplemented
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Expecting`
[INFO] [stdout]   --> src/frontend/parser/tiger_parser/mod.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     Expecting(Rule)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `ParseResult`
[INFO] [stdout]   --> src/frontend/parser/tiger_parser/mod.rs:66:1
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub type ParseResult=Result<exp,ParserErr>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/frontend/parser/tiger_parser/mod.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 | pub fn run(src:String)->ParseResult{
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/frontend/parser/tiger_parser/mod.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         src.read_to_string((&mut src_string));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `LE_parsing_test` should have a snake case name
[INFO] [stdout]    --> src/frontend/parser/tiger_parser/token.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn LE_parsing_test(){
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `le_parsing_test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `MCIR` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `mcir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 56 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 65 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.35s
[INFO] running `Command { std: "docker" "inspect" "08beeb9e46ea1f048a93b85175fe55e8cef3d2b855e20e361b5f3fafba05a194", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08beeb9e46ea1f048a93b85175fe55e8cef3d2b855e20e361b5f3fafba05a194", kill_on_drop: false }`
[INFO] [stdout] 08beeb9e46ea1f048a93b85175fe55e8cef3d2b855e20e361b5f3fafba05a194