[INFO] cloning repository https://github.com/LeifTeorin/Rust-Compiler
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[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeifTeorin%2FRust-Compiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2f7516ebf0c6a78faa02383d6933ab2a2ad4c87
[INFO] checking LeifTeorin/Rust-Compiler against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeifTeorin%2FRust-Compiler" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
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[INFO] tweaked toml for git repo https://github.com/LeifTeorin/Rust-Compiler written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/LeifTeorin/Rust-Compiler on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/LeifTeorin/Rust-Compiler 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded indented v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "334bcf8f780e3b21fcdf511153dc219e1a7d5e3aca8c87494efdee90a8fe7d3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "334bcf8f780e3b21fcdf511153dc219e1a7d5e3aca8c87494efdee90a8fe7d3f", kill_on_drop: false }`
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[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking indented v0.1.0
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking regex v1.7.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking rnr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::climb::climb`
[INFO] [stdout]  --> src/vm.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::climb::climb;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/vm.rs:130:27
[INFO] [stdout]     |
[INFO] [stdout] 130 |                     match (e){
[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] 130 -                     match (e){
[INFO] [stdout] 130 +                     match e {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Literal`
[INFO] [stdout]  --> src/bc.rs:1:63
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::ast::{Block, Expr, FnDeclaration, Prog, Statement, Literal};
[INFO] [stdout]   |                                                               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::climb::climb`
[INFO] [stdout]  --> src/vm.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::climb::climb;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/vm.rs:130:27
[INFO] [stdout]     |
[INFO] [stdout] 130 |                     match (e){
[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] 130 -                     match (e){
[INFO] [stdout] 130 +                     match e {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Literal`
[INFO] [stdout]  --> src/bc.rs:1:63
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::ast::{Block, Expr, FnDeclaration, Prog, Statement, Literal};
[INFO] [stdout]   |                                                               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Literal`
[INFO] [stdout]   --> src/bc.rs:79:35
[INFO] [stdout]    |
[INFO] [stdout] 79 |     use crate::ast::{Block, Prog, Literal};
[INFO] [stdout]    |                                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ast_traits.rs:172:13
[INFO] [stdout]     |
[INFO] [stdout] 172 |         let mut s: String = if self.mutable.0{
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `s` is never read
[INFO] [stdout]    --> src/ast_traits.rs:204:21
[INFO] [stdout]     |
[INFO] [stdout] 204 |         let mut s = String::new();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/type_check.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         _ => todo!(),
[INFO] [stdout]    |         ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/type_check.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         Op::Add => (Ty::Lit(Type::I32), Ty::Lit(Type::I32), Ty::Lit(Type::I32)),
[INFO] [stdout]    |         ------- matches some of the same values
[INFO] [stdout] 33 |         Op::Sub => (Ty::Lit(Type::I32), Ty::Lit(Type::I32), Ty::Lit(Type::I32)),
[INFO] [stdout]    |         ------- matches some of the same values
[INFO] [stdout] 34 |         Op::Mul => (Ty::Lit(Type::I32), Ty::Lit(Type::I32), Ty::Lit(Type::I32)),
[INFO] [stdout]    |         ------- matches some of the same values
[INFO] [stdout] 35 |         Op::Div => (Ty::Lit(Type::I32), Ty::Lit(Type::I32), Ty::Lit(Type::I32)),
[INFO] [stdout]    |         ------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 41 |         _ => todo!(),
[INFO] [stdout]    |         ^ ...and 5 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: unreachable pattern
[INFO] [stdout]   --> src/type_check.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |             _ => todo!(),
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/type_check.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |             Op::Add => unify(left, right, Ty::Lit(Type::I32)),
[INFO] [stdout]    |             ------- matches some of the same values
[INFO] [stdout] 51 |             Op::Sub => unify(left, right, Ty::Lit(Type::I32)),
[INFO] [stdout]    |             ------- matches some of the same values
[INFO] [stdout] 52 |             Op::Mul => unify(left, right, Ty::Lit(Type::I32)),
[INFO] [stdout]    |             ------- matches some of the same values
[INFO] [stdout] 53 |             Op::Div => unify(left, right, Ty::Lit(Type::I32)),
[INFO] [stdout]    |             ------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 60 |             _ => todo!(),
[INFO] [stdout]    |             ^ ...and 5 other patterns collectively make this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Ex1` should have a snake case name
[INFO] [stdout]    --> src/ast_traits.rs:237:31
[INFO] [stdout]     |
[INFO] [stdout] 237 |             Statement::Let(m, Ex1, typ, Ex2) => {
[INFO] [stdout]     |                               ^^^ help: convert the identifier to snake case: `ex1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Ex2` should have a snake case name
[INFO] [stdout]    --> src/ast_traits.rs:237:41
[INFO] [stdout]     |
[INFO] [stdout] 237 |             Statement::Let(m, Ex1, typ, Ex2) => {
[INFO] [stdout]     |                                         ^^^ help: convert the identifier to snake case: `ex2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Ex1` should have a snake case name
[INFO] [stdout]    --> src/ast_traits.rs:249:31
[INFO] [stdout]     |
[INFO] [stdout] 249 |             Statement::Assign(Ex1, Ex2) => format!("{} = {};", Ex1, Ex2),
[INFO] [stdout]     |                               ^^^ help: convert the identifier to snake case: `ex1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Ex2` should have a snake case name
[INFO] [stdout]    --> src/ast_traits.rs:249:36
[INFO] [stdout]     |
[INFO] [stdout] 249 |             Statement::Assign(Ex1, Ex2) => format!("{} = {};", Ex1, Ex2),
[INFO] [stdout]     |                                    ^^^ help: convert the identifier to snake case: `ex2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ast_traits.rs:172:13
[INFO] [stdout]     |
[INFO] [stdout] 172 |         let mut s: String = if self.mutable.0{
[INFO] [stdout]     |             ----^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `s` is never read
[INFO] [stdout]    --> src/ast_traits.rs:204:21
[INFO] [stdout]     |
[INFO] [stdout] 204 |         let mut s = String::new();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `a` is never used
[INFO] [stdout]  --> examples/fn_redef.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 |     fn a() {}
[INFO] [stdout]   |        ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]  --> examples/block.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let b = {
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `a` is never read
[INFO] [stdout]  --> examples/scope.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |             a = a + 1 // inner a == 1
[INFO] [stdout]   |             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `a` is never used
[INFO] [stdout]  --> examples/scope.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 |     fn a() -> i32 {
[INFO] [stdout]   |        ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> examples/ref.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let mut a = &mut { *a + 5 };
[INFO] [stdout]   |         ----^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout]  --> examples/while.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     while true {
[INFO] [stdout]   |     ^^^^^^^^^^ help: use `loop`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(while_true)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/type_check.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         _ => todo!(),
[INFO] [stdout]    |         ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/type_check.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         Op::Add => (Ty::Lit(Type::I32), Ty::Lit(Type::I32), Ty::Lit(Type::I32)),
[INFO] [stdout]    |         ------- matches some of the same values
[INFO] [stdout] 33 |         Op::Sub => (Ty::Lit(Type::I32), Ty::Lit(Type::I32), Ty::Lit(Type::I32)),
[INFO] [stdout]    |         ------- matches some of the same values
[INFO] [stdout] 34 |         Op::Mul => (Ty::Lit(Type::I32), Ty::Lit(Type::I32), Ty::Lit(Type::I32)),
[INFO] [stdout]    |         ------- matches some of the same values
[INFO] [stdout] 35 |         Op::Div => (Ty::Lit(Type::I32), Ty::Lit(Type::I32), Ty::Lit(Type::I32)),
[INFO] [stdout]    |         ------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 41 |         _ => todo!(),
[INFO] [stdout]    |         ^ ...and 5 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: unreachable pattern
[INFO] [stdout]   --> src/type_check.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |             _ => todo!(),
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/type_check.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |             Op::Add => unify(left, right, Ty::Lit(Type::I32)),
[INFO] [stdout]    |             ------- matches some of the same values
[INFO] [stdout] 51 |             Op::Sub => unify(left, right, Ty::Lit(Type::I32)),
[INFO] [stdout]    |             ------- matches some of the same values
[INFO] [stdout] 52 |             Op::Mul => unify(left, right, Ty::Lit(Type::I32)),
[INFO] [stdout]    |             ------- matches some of the same values
[INFO] [stdout] 53 |             Op::Div => unify(left, right, Ty::Lit(Type::I32)),
[INFO] [stdout]    |             ------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 60 |             _ => todo!(),
[INFO] [stdout]    |             ^ ...and 5 other patterns collectively make this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]  --> examples/nested_fn.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |         fn a(i: i32) {
[INFO] [stdout]   |         ^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 4 |             a(1);
[INFO] [stdout]   |             ---- recursive call site
[INFO] [stdout]   |
[INFO] [stdout]   = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout]   = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]  --> examples/nested_fn.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 |         fn a(i: i32) {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `a` is never used
[INFO] [stdout]  --> examples/nested_fn.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 |     fn a() {
[INFO] [stdout]   |        ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `c` is never used
[INFO] [stdout]   --> examples/nested_fn.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn c() {}
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> examples/fn_sig.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout]  1 | fn a(i: i32, bo: bool) -> i32 {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] ...
[INFO] [stdout] 11 |     a(i, bo)
[INFO] [stdout]    |     -------- recursive call site
[INFO] [stdout]    |
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Ex1` should have a snake case name
[INFO] [stdout]    --> src/ast_traits.rs:237:31
[INFO] [stdout]     |
[INFO] [stdout] 237 |             Statement::Let(m, Ex1, typ, Ex2) => {
[INFO] [stdout]     |                               ^^^ help: convert the identifier to snake case: `ex1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Ex2` should have a snake case name
[INFO] [stdout]    --> src/ast_traits.rs:237:41
[INFO] [stdout]     |
[INFO] [stdout] 237 |             Statement::Let(m, Ex1, typ, Ex2) => {
[INFO] [stdout]     |                                         ^^^ help: convert the identifier to snake case: `ex2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Ex1` should have a snake case name
[INFO] [stdout]    --> src/ast_traits.rs:249:31
[INFO] [stdout]     |
[INFO] [stdout] 249 |             Statement::Assign(Ex1, Ex2) => format!("{} = {};", Ex1, Ex2),
[INFO] [stdout]     |                               ^^^ help: convert the identifier to snake case: `ex1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Ex2` should have a snake case name
[INFO] [stdout]    --> src/ast_traits.rs:249:36
[INFO] [stdout]     |
[INFO] [stdout] 249 |             Statement::Assign(Ex1, Ex2) => format!("{} = {};", Ex1, Ex2),
[INFO] [stdout]     |                                    ^^^ help: convert the identifier to snake case: `ex2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]  --> examples/call.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let b = a;
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]  --> examples/borrow_error.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let b = &mut a;
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]  --> examples/borrow_error.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let c = &a;
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `a` is never read
[INFO] [stdout]  --> examples/assign.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     a = a + 1
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.07s
[INFO] running `Command { std: "docker" "inspect" "e717cf6f8ee46dbcf9bcbf2a750d4f8b1457aa446a86d309f6ac29d37473bfff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e717cf6f8ee46dbcf9bcbf2a750d4f8b1457aa446a86d309f6ac29d37473bfff", kill_on_drop: false }`
[INFO] [stdout] e717cf6f8ee46dbcf9bcbf2a750d4f8b1457aa446a86d309f6ac29d37473bfff
