[INFO] cloning repository cre-chan/MCIR
[INFO] running `"git" "clone" "--bare" "git://github.com/cre-chan/MCIR.git" "work/cache/sources/gh/cre-chan/MCIR"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/cre-chan/MCIR'...
[INFO] running `"git" "clone" "work/cache/sources/gh/cre-chan/MCIR" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/cre-chan/MCIR"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/cre-chan/MCIR'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cre-chan/MCIR" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/cre-chan/MCIR"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/cre-chan/MCIR'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3a4a7d33113eeae28c26c4abe9dcebe13b91c3bd
[INFO] sha for GitHub repo cre-chan/MCIR: 3a4a7d33113eeae28c26c4abe9dcebe13b91c3bd
[INFO] validating manifest of cre-chan/MCIR on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cre-chan/MCIR on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cre-chan/MCIR
[INFO] finished frobbing cre-chan/MCIR
[INFO] frobbed toml for cre-chan/MCIR written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/cre-chan/MCIR/Cargo.toml
[INFO] started frobbing cre-chan/MCIR
[INFO] finished frobbing cre-chan/MCIR
[INFO] frobbed toml for cre-chan/MCIR written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/cre-chan/MCIR/Cargo.toml
[INFO] crate cre-chan/MCIR already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking cre-chan/MCIR against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-4/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/cre-chan/MCIR:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2e07b654f59f10c20a492ecf80a85d633ab25c585ef8938c02ca0cfb6ab2afbd
[INFO] running `"docker" "start" "-a" "2e07b654f59f10c20a492ecf80a85d633ab25c585ef8938c02ca0cfb6ab2afbd"`
[INFO] [stderr]    Compiling syn v0.15.37
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking MCIR v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: type `efieldList` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:10:10
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub type efieldList=List<efield>;
[INFO] [stderr]    |          ^^^^^^^^^^ help: convert the identifier to upper camel case: `EfieldList`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_camel_case_types)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `declist` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:12:10
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub type declist=List<decl>;
[INFO] [stderr]    |          ^^^^^^^ help: convert the identifier to upper camel case: `Declist`
[INFO] [stderr] 
[INFO] [stderr] warning: type `fundeclist` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:13:10
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub type fundeclist=List<fundec>;
[INFO] [stderr]    |          ^^^^^^^^^^ help: convert the identifier to upper camel case: `Fundeclist`
[INFO] [stderr] 
[INFO] [stderr] warning: type `fieldlist` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:14:10
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub type fieldlist=List<field>;
[INFO] [stderr]    |          ^^^^^^^^^ help: convert the identifier to upper camel case: `Fieldlist`
[INFO] [stderr] 
[INFO] [stderr] warning: type `explist` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:15:10
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub type explist=List<exp>;
[INFO] [stderr]    |          ^^^^^^^ help: convert the identifier to upper camel case: `Explist`
[INFO] [stderr] 
[INFO] [stderr] warning: type `lvalue` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:19:10
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub enum lvalue{
[INFO] [stderr]    |          ^^^^^^ help: convert the identifier to upper camel case: `Lvalue`
[INFO] [stderr] 
[INFO] [stderr] warning: type `exp` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:26:10
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub enum exp{
[INFO] [stderr]    |          ^^^ help: convert the identifier to upper camel case: `Exp`
[INFO] [stderr] 
[INFO] [stderr] warning: type `decl` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:46:10
[INFO] [stderr]    |
[INFO] [stderr] 46 | pub enum decl{
[INFO] [stderr]    |          ^^^^ help: convert the identifier to upper camel case: `Decl`
[INFO] [stderr] 
[INFO] [stderr] warning: type `typ` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:53:10
[INFO] [stderr]    |
[INFO] [stderr] 53 | pub enum typ{
[INFO] [stderr]    |          ^^^ help: convert the identifier to upper camel case: `Typ`
[INFO] [stderr] 
[INFO] [stderr] warning: type `field` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:60:12
[INFO] [stderr]    |
[INFO] [stderr] 60 | pub struct field{ name:Symbol,typ:Symbol }//name:typ
[INFO] [stderr]    |            ^^^^^ help: convert the identifier to upper camel case: `Field`
[INFO] [stderr] 
[INFO] [stderr] warning: type `fundec` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:63:12
[INFO] [stderr]    |
[INFO] [stderr] 63 | pub struct fundec{
[INFO] [stderr]    |            ^^^^^^ help: convert the identifier to upper camel case: `Fundec`
[INFO] [stderr] 
[INFO] [stderr] warning: type `namety` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:71:12
[INFO] [stderr]    |
[INFO] [stderr] 71 | pub struct namety{
[INFO] [stderr]    |            ^^^^^^ help: convert the identifier to upper camel case: `Namety`
[INFO] [stderr] 
[INFO] [stderr] warning: type `efield` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:77:13
[INFO] [stderr]    |
[INFO] [stderr] 77 | pub struct  efield{name:Symbol,expr:exp}
[INFO] [stderr]    |             ^^^^^^ help: convert the identifier to upper camel case: `Efield`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `plus` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 82 |     plus,
[INFO] [stderr]    |     ^^^^ help: convert the identifier to upper camel case: `Plus`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `minus` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     minus,
[INFO] [stderr]    |     ^^^^^ help: convert the identifier to upper camel case: `Minus`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `times` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 |     times,
[INFO] [stderr]    |     ^^^^^ help: convert the identifier to upper camel case: `Times`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `div` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 85 |     div,
[INFO] [stderr]    |     ^^^ help: convert the identifier to upper camel case: `Div`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `eq` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 |     eq,
[INFO] [stderr]    |     ^^ help: convert the identifier to upper camel case: `Eq`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `neq` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     neq,
[INFO] [stderr]    |     ^^^ help: convert the identifier to upper camel case: `Neq`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `lt` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     lt,
[INFO] [stderr]    |     ^^ help: convert the identifier to upper camel case: `Lt`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `le` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     le,
[INFO] [stderr]    |     ^^ help: convert the identifier to upper camel case: `Le`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `gt` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     gt,
[INFO] [stderr]    |     ^^ help: convert the identifier to upper camel case: `Gt`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `ge` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     ge
[INFO] [stderr]    |     ^^ help: convert the identifier to upper camel case: `Ge`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pest::Parser`
[INFO] [stderr]  --> src/frontend/parser/parser.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use pest::Parser;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `efieldList` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:10:10
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub type efieldList=List<efield>;
[INFO] [stderr]    |          ^^^^^^^^^^ help: convert the identifier to upper camel case: `EfieldList`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_camel_case_types)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `declist` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:12:10
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub type declist=List<decl>;
[INFO] [stderr]    |          ^^^^^^^ help: convert the identifier to upper camel case: `Declist`
[INFO] [stderr] 
[INFO] [stderr] warning: type `fundeclist` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:13:10
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub type fundeclist=List<fundec>;
[INFO] [stderr]    |          ^^^^^^^^^^ help: convert the identifier to upper camel case: `Fundeclist`
[INFO] [stderr] 
[INFO] [stderr] warning: type `fieldlist` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:14:10
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub type fieldlist=List<field>;
[INFO] [stderr]    |          ^^^^^^^^^ help: convert the identifier to upper camel case: `Fieldlist`
[INFO] [stderr] 
[INFO] [stderr] warning: type `explist` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:15:10
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub type explist=List<exp>;
[INFO] [stderr]    |          ^^^^^^^ help: convert the identifier to upper camel case: `Explist`
[INFO] [stderr] 
[INFO] [stderr] warning: type `lvalue` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:19:10
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub enum lvalue{
[INFO] [stderr]    |          ^^^^^^ help: convert the identifier to upper camel case: `Lvalue`
[INFO] [stderr] 
[INFO] [stderr] warning: type `exp` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:26:10
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub enum exp{
[INFO] [stderr]    |          ^^^ help: convert the identifier to upper camel case: `Exp`
[INFO] [stderr] 
[INFO] [stderr] warning: type `decl` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:46:10
[INFO] [stderr]    |
[INFO] [stderr] 46 | pub enum decl{
[INFO] [stderr]    |          ^^^^ help: convert the identifier to upper camel case: `Decl`
[INFO] [stderr] 
[INFO] [stderr] warning: type `typ` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:53:10
[INFO] [stderr]    |
[INFO] [stderr] 53 | pub enum typ{
[INFO] [stderr]    |          ^^^ help: convert the identifier to upper camel case: `Typ`
[INFO] [stderr] 
[INFO] [stderr] warning: type `field` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:60:12
[INFO] [stderr]    |
[INFO] [stderr] 60 | pub struct field{ name:Symbol,typ:Symbol }//name:typ
[INFO] [stderr]    |            ^^^^^ help: convert the identifier to upper camel case: `Field`
[INFO] [stderr] 
[INFO] [stderr] warning: type `fundec` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:63:12
[INFO] [stderr]    |
[INFO] [stderr] 63 | pub struct fundec{
[INFO] [stderr]    |            ^^^^^^ help: convert the identifier to upper camel case: `Fundec`
[INFO] [stderr] 
[INFO] [stderr] warning: type `namety` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:71:12
[INFO] [stderr]    |
[INFO] [stderr] 71 | pub struct namety{
[INFO] [stderr]    |            ^^^^^^ help: convert the identifier to upper camel case: `Namety`
[INFO] [stderr] 
[INFO] [stderr] warning: type `efield` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:77:13
[INFO] [stderr]    |
[INFO] [stderr] 77 | pub struct  efield{name:Symbol,expr:exp}
[INFO] [stderr]    |             ^^^^^^ help: convert the identifier to upper camel case: `Efield`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `plus` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 82 |     plus,
[INFO] [stderr]    |     ^^^^ help: convert the identifier to upper camel case: `Plus`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `minus` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     minus,
[INFO] [stderr]    |     ^^^^^ help: convert the identifier to upper camel case: `Minus`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `times` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 |     times,
[INFO] [stderr]    |     ^^^^^ help: convert the identifier to upper camel case: `Times`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `div` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 85 |     div,
[INFO] [stderr]    |     ^^^ help: convert the identifier to upper camel case: `Div`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `eq` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 |     eq,
[INFO] [stderr]    |     ^^ help: convert the identifier to upper camel case: `Eq`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `neq` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     neq,
[INFO] [stderr]    |     ^^^ help: convert the identifier to upper camel case: `Neq`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `lt` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     lt,
[INFO] [stderr]    |     ^^ help: convert the identifier to upper camel case: `Lt`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `le` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     le,
[INFO] [stderr]    |     ^^ help: convert the identifier to upper camel case: `Le`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `gt` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     gt,
[INFO] [stderr]    |     ^^ help: convert the identifier to upper camel case: `Gt`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `ge` should have an upper camel case name
[INFO] [stderr]   --> src/frontend/parser/AST.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     ge
[INFO] [stderr]    |     ^^ help: convert the identifier to upper camel case: `Ge`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pest::Parser`
[INFO] [stderr]  --> src/frontend/parser/parser.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use pest::Parser;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Symbol`
[INFO] [stderr]   --> src/frontend/Semantics/mod.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub type Symbol=u32;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `SymbolTable`
[INFO] [stderr]   --> src/frontend/Semantics/mod.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub struct SymbolTable<'a>{
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/frontend/Semantics/mod.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn new()->Self{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_symbol`
[INFO] [stderr]   --> src/frontend/Semantics/mod.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn get_symbol(&mut self, string:&'a str) ->Symbol{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `List`
[INFO] [stderr]  --> src/frontend/parser/AST.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub enum List<T>{
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `efieldList`
[INFO] [stderr]   --> src/frontend/parser/AST.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub type efieldList=List<efield>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `NameTyList`
[INFO] [stderr]   --> src/frontend/parser/AST.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub type NameTyList=List<namety>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `declist`
[INFO] [stderr]   --> src/frontend/parser/AST.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub type declist=List<decl>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `fundeclist`
[INFO] [stderr]   --> src/frontend/parser/AST.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub type fundeclist=List<fundec>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `fieldlist`
[INFO] [stderr]   --> src/frontend/parser/AST.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub type fieldlist=List<field>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `explist`
[INFO] [stderr]   --> src/frontend/parser/AST.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub type explist=List<exp>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `lvalue`
[INFO] [stderr]   --> src/frontend/parser/AST.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub enum lvalue{
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `exp`
[INFO] [stderr]   --> src/frontend/parser/AST.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub enum exp{
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `decl`
[INFO] [stderr]   --> src/frontend/parser/AST.rs:46:1
[INFO] [stderr]    |
[INFO] [stderr] 46 | pub enum decl{
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `typ`
[INFO] [stderr]   --> src/frontend/parser/AST.rs:53:1
[INFO] [stderr]    |
[INFO] [stderr] 53 | pub enum typ{
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `field`
[INFO] [stderr]   --> src/frontend/parser/AST.rs:60:1
[INFO] [stderr]    |
[INFO] [stderr] 60 | pub struct field{ name:Symbol,typ:Symbol }//name:typ
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `fundec`
[INFO] [stderr]   --> src/frontend/parser/AST.rs:63:1
[INFO] [stderr]    |
[INFO] [stderr] 63 | pub struct fundec{
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `namety`
[INFO] [stderr]   --> src/frontend/parser/AST.rs:71:1
[INFO] [stderr]    |
[INFO] [stderr] 71 | pub struct namety{
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `efield`
[INFO] [stderr]   --> src/frontend/parser/AST.rs:77:1
[INFO] [stderr]    |
[INFO] [stderr] 77 | pub struct  efield{name:Symbol,expr:exp}
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Operator`
[INFO] [stderr]   --> src/frontend/parser/AST.rs:81:1
[INFO] [stderr]    |
[INFO] [stderr] 81 | pub enum Operator {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `TigerParser`
[INFO] [stderr]  --> src/frontend/parser/parser.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | struct TigerParser;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `MCIR` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `mcir`
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `List`
[INFO] [stderr]  --> src/frontend/parser/AST.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub enum List<T>{
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `efieldList`
[INFO] [stderr]   --> src/frontend/parser/AST.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub type efieldList=List<efield>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `NameTyList`
[INFO] [stderr]   --> src/frontend/parser/AST.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub type NameTyList=List<namety>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `declist`
[INFO] [stderr]   --> src/frontend/parser/AST.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub type declist=List<decl>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `fundeclist`
[INFO] [stderr]   --> src/frontend/parser/AST.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub type fundeclist=List<fundec>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `fieldlist`
[INFO] [stderr]   --> src/frontend/parser/AST.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub type fieldlist=List<field>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `explist`
[INFO] [stderr]   --> src/frontend/parser/AST.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub type explist=List<exp>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `lvalue`
[INFO] [stderr]   --> src/frontend/parser/AST.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub enum lvalue{
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `exp`
[INFO] [stderr]   --> src/frontend/parser/AST.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub enum exp{
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `decl`
[INFO] [stderr]   --> src/frontend/parser/AST.rs:46:1
[INFO] [stderr]    |
[INFO] [stderr] 46 | pub enum decl{
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `typ`
[INFO] [stderr]   --> src/frontend/parser/AST.rs:53:1
[INFO] [stderr]    |
[INFO] [stderr] 53 | pub enum typ{
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `field`
[INFO] [stderr]   --> src/frontend/parser/AST.rs:60:1
[INFO] [stderr]    |
[INFO] [stderr] 60 | pub struct field{ name:Symbol,typ:Symbol }//name:typ
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `fundec`
[INFO] [stderr]   --> src/frontend/parser/AST.rs:63:1
[INFO] [stderr]    |
[INFO] [stderr] 63 | pub struct fundec{
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `namety`
[INFO] [stderr]   --> src/frontend/parser/AST.rs:71:1
[INFO] [stderr]    |
[INFO] [stderr] 71 | pub struct namety{
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `efield`
[INFO] [stderr]   --> src/frontend/parser/AST.rs:77:1
[INFO] [stderr]    |
[INFO] [stderr] 77 | pub struct  efield{name:Symbol,expr:exp}
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Operator`
[INFO] [stderr]   --> src/frontend/parser/AST.rs:81:1
[INFO] [stderr]    |
[INFO] [stderr] 81 | pub enum Operator {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `TigerParser`
[INFO] [stderr]  --> src/frontend/parser/parser.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | struct TigerParser;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `MCIR` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `mcir`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.68s
[INFO] running `"docker" "inspect" "2e07b654f59f10c20a492ecf80a85d633ab25c585ef8938c02ca0cfb6ab2afbd"`
[INFO] running `"docker" "rm" "-f" "2e07b654f59f10c20a492ecf80a85d633ab25c585ef8938c02ca0cfb6ab2afbd"`
[INFO] [stdout] 2e07b654f59f10c20a492ecf80a85d633ab25c585ef8938c02ca0cfb6ab2afbd