Aug 29 20:05:59.427 INFO checking NishanthSpShetty/crust against try#bc5a74802bb3ffc82f51ef04bca58d64220124c4 for pr-53699
Aug 29 20:05:59.427 INFO running: cargo +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets
Aug 29 20:05:59.428 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53699/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-0/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 29 20:05:59.691 INFO blam! b7ffc365356b7ac4fd7854c5859cd07a38929ff8c33f981136ecf1921bf91c55
Aug 29 20:05:59.694 INFO running `"docker" "start" "-a" "b7ffc365356b7ac4fd7854c5859cd07a38929ff8c33f981136ecf1921bf91c55"`
Aug 29 20:06:00.733 INFO kablam!     Checking crust v0.1.0 (file:///source)
Aug 29 20:06:01.590 INFO kablam! warning: doc comment not used by rustdoc
Aug 29 20:06:01.590 INFO kablam!   --> examples/class.rs:21:9
Aug 29 20:06:01.590 INFO kablam!    |
Aug 29 20:06:01.590 INFO kablam! 21 | /         /** Crust tries to identify return statement and replace with rust equivalent
Aug 29 20:06:01.590 INFO kablam! 22 | |          * shorthand notation. If error found in this line, Please replace shorthand notation
Aug 29 20:06:01.590 INFO kablam! 23 | |          * with return statement
Aug 29 20:06:01.590 INFO kablam! 24 | |          **/
Aug 29 20:06:01.590 INFO kablam!    | |____________^
Aug 29 20:06:01.592 INFO kablam!    |
Aug 29 20:06:01.593 INFO kablam!    = note: #[warn(unused_doc_comments)] on by default
Aug 29 20:06:01.593 INFO kablam! 
Aug 29 20:06:01.593 INFO kablam! warning: doc comment not used by rustdoc
Aug 29 20:06:01.594 INFO kablam!   --> examples/class.rs:28:9
Aug 29 20:06:01.594 INFO kablam!    |
Aug 29 20:06:01.594 INFO kablam! 28 | /         /** Crust tries to identify return statement and replace with rust equivalent
Aug 29 20:06:01.594 INFO kablam! 29 | |          * shorthand notation. If error found in this line, Please replace shorthand notation
Aug 29 20:06:01.594 INFO kablam! 30 | |          * with return statement
Aug 29 20:06:01.594 INFO kablam! 31 | |          **/
Aug 29 20:06:01.594 INFO kablam!    | |____________^
Aug 29 20:06:01.594 INFO kablam! 
Aug 29 20:06:01.595 INFO kablam! warning: doc comment not used by rustdoc
Aug 29 20:06:01.595 INFO kablam!   --> examples/class.rs:56:5
Aug 29 20:06:01.595 INFO kablam!    |
Aug 29 20:06:01.595 INFO kablam! 56 | /     /** Declaration of a structure should be completed with initialization of it's fields
Aug 29 20:06:01.595 INFO kablam! 57 | |      * It should be in the following format
Aug 29 20:06:01.595 INFO kablam! 58 | |      * let variable:struct_name = struct_name { member1:value1, member2:value2,..}
Aug 29 20:06:01.595 INFO kablam! 59 | |      */
Aug 29 20:06:01.595 INFO kablam!    | |_______^
Aug 29 20:06:01.595 INFO kablam! 
Aug 29 20:06:01.596 INFO kablam! warning: doc comment not used by rustdoc
Aug 29 20:06:01.596 INFO kablam!   --> examples/class.rs:64:5
Aug 29 20:06:01.596 INFO kablam!    |
Aug 29 20:06:01.596 INFO kablam! 64 | /     /** Declaration of a structure should be completed with initialization of it's fields
Aug 29 20:06:01.596 INFO kablam! 65 | |      * It should be in the following format
Aug 29 20:06:01.596 INFO kablam! 66 | |      * let variable:struct_name = struct_name { member1:value1, member2:value2,..}
Aug 29 20:06:01.596 INFO kablam! 67 | |      */
Aug 29 20:06:01.596 INFO kablam!    | |_______^
Aug 29 20:06:01.602 INFO kablam! 
Aug 29 20:06:01.603 INFO kablam! warning: doc comment not used by rustdoc
Aug 29 20:06:01.603 INFO kablam!   --> examples/class.rs:71:5
Aug 29 20:06:01.603 INFO kablam!    |
Aug 29 20:06:01.603 INFO kablam! 71 | /     /** Declaration of a structure should be completed with initialization of it's fields
Aug 29 20:06:01.603 INFO kablam! 72 | |      * It should be in the following format
Aug 29 20:06:01.603 INFO kablam! 73 | |      * let variable:struct_name = struct_name { member1:value1, member2:value2,..}
Aug 29 20:06:01.603 INFO kablam! 74 | |      */
Aug 29 20:06:01.603 INFO kablam!    | |_______^
Aug 29 20:06:01.603 INFO kablam! 
Aug 29 20:06:01.633 INFO kablam! error[E0061]: this function takes 1 parameter but 0 parameters were supplied
Aug 29 20:06:01.633 INFO kablam!   --> examples/class.rs:69:7
Aug 29 20:06:01.633 INFO kablam!    |
Aug 29 20:06:01.633 INFO kablam! 27 |     pub fn getInt(&self, a: i32) -> i32 {
Aug 29 20:06:01.633 INFO kablam!    |     ----------------------------------- defined here
Aug 29 20:06:01.633 INFO kablam! ...
Aug 29 20:06:01.633 INFO kablam! 69 |     a.getInt();
Aug 29 20:06:01.633 INFO kablam!    |       ^^^^^^ expected 1 parameter
Aug 29 20:06:01.638 INFO kablam! 
Aug 29 20:06:01.640 INFO kablam! error: aborting due to previous error
Aug 29 20:06:01.640 INFO kablam! 
Aug 29 20:06:01.641 INFO kablam! For more information about this error, try `rustc --explain E0061`.
Aug 29 20:06:01.652 INFO kablam! error[E0425]: cannot find value `c` in this scope
Aug 29 20:06:01.652 INFO kablam!   --> examples/prog.rs:10:22
Aug 29 20:06:01.652 INFO kablam!    |
Aug 29 20:06:01.652 INFO kablam! 10 |     let mut b: i32 = c + b + c;
Aug 29 20:06:01.652 INFO kablam!    |                      ^ not found in this scope
Aug 29 20:06:01.652 INFO kablam! 
Aug 29 20:06:01.652 INFO kablam! error[E0425]: cannot find value `b` in this scope
Aug 29 20:06:01.652 INFO kablam!   --> examples/prog.rs:10:26
Aug 29 20:06:01.653 INFO kablam!    |
Aug 29 20:06:01.653 INFO kablam! 10 |     let mut b: i32 = c + b + c;
Aug 29 20:06:01.653 INFO kablam!    |                          ^ not found in this scope
Aug 29 20:06:01.653 INFO kablam! 
Aug 29 20:06:01.653 INFO kablam! error[E0425]: cannot find value `c` in this scope
Aug 29 20:06:01.653 INFO kablam!   --> examples/prog.rs:10:30
Aug 29 20:06:01.653 INFO kablam!    |
Aug 29 20:06:01.653 INFO kablam! 10 |     let mut b: i32 = c + b + c;
Aug 29 20:06:01.653 INFO kablam!    |                              ^ not found in this scope
Aug 29 20:06:01.654 INFO kablam! 
Aug 29 20:06:01.654 INFO kablam! error[E0423]: expected value, found builtin type `i32`
Aug 29 20:06:01.654 INFO kablam!   --> examples/prog.rs:13:44
Aug 29 20:06:01.654 INFO kablam!    |
Aug 29 20:06:01.654 INFO kablam! 13 |     let mut a: i32 = b + std::mem::size_of(i32);
Aug 29 20:06:01.654 INFO kablam!    |                                            ^^^ not a value
Aug 29 20:06:01.654 INFO kablam! 
Aug 29 20:06:01.664 INFO kablam! error: Could not compile `crust`.
Aug 29 20:06:01.664 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 29 20:06:01.677 INFO kablam! warning: doc comment not used by rustdoc
Aug 29 20:06:01.677 INFO kablam!   --> examples/main.rs:12:5
Aug 29 20:06:01.677 INFO kablam!    |
Aug 29 20:06:01.677 INFO kablam! 12 | /     /** Crust tries to identify return statement and replace with rust equivalent
Aug 29 20:06:01.677 INFO kablam! 13 | |      * shorthand notation. If error found in this line, Please replace shorthand notation
Aug 29 20:06:01.677 INFO kablam! 14 | |      * with return statement
Aug 29 20:06:01.677 INFO kablam! 15 | |      **/
Aug 29 20:06:01.677 INFO kablam!    | |________^
Aug 29 20:06:01.677 INFO kablam!    |
Aug 29 20:06:01.677 INFO kablam!    = note: #[warn(unused_doc_comments)] on by default
Aug 29 20:06:01.677 INFO kablam! 
Aug 29 20:06:01.677 INFO kablam! warning: doc comment not used by rustdoc
Aug 29 20:06:01.677 INFO kablam!   --> examples/main.rs:19:5
Aug 29 20:06:01.677 INFO kablam!    |
Aug 29 20:06:01.677 INFO kablam! 19 | /     /** Crust tries to identify return statement and replace with rust equivalent
Aug 29 20:06:01.677 INFO kablam! 20 | |      * shorthand notation. If error found in this line, Please replace shorthand notation
Aug 29 20:06:01.678 INFO kablam! 21 | |      * with return statement
Aug 29 20:06:01.678 INFO kablam! 22 | |      **/
Aug 29 20:06:01.678 INFO kablam!    | |________^
Aug 29 20:06:01.678 INFO kablam! 
Aug 29 20:06:01.680 INFO kablam! error[E0061]: this function takes 0 parameters but 1 parameter was supplied
Aug 29 20:06:01.680 INFO kablam!   --> examples/prog.rs:13:26
Aug 29 20:06:01.680 INFO kablam!    |
Aug 29 20:06:01.680 INFO kablam! 13 |     let mut a: i32 = b + std::mem::size_of(i32);
Aug 29 20:06:01.680 INFO kablam!    |                          ^^^^^^^^^^^^^^^^^^^^^^ expected 0 parameters
Aug 29 20:06:01.680 INFO kablam! 
Aug 29 20:06:01.680 INFO kablam! error[E0308]: mismatched types
Aug 29 20:06:01.680 INFO kablam!   --> examples/prog.rs:13:26
Aug 29 20:06:01.680 INFO kablam!    |
Aug 29 20:06:01.681 INFO kablam! 13 |     let mut a: i32 = b + std::mem::size_of(i32);
Aug 29 20:06:01.681 INFO kablam!    |                          ^^^^^^^^^^^^^^^^^^^^^^ expected i32, found usize
Aug 29 20:06:01.681 INFO kablam! 
Aug 29 20:06:01.688 INFO kablam! warning: doc comment not used by rustdoc
Aug 29 20:06:01.688 INFO kablam!   --> examples/struct.rs:20:5
Aug 29 20:06:01.688 INFO kablam!    |
Aug 29 20:06:01.688 INFO kablam! 20 | /     /** Declaration of a structure should be completed with initialization of it's fields
Aug 29 20:06:01.688 INFO kablam! 21 | |      * It should be in the following format
Aug 29 20:06:01.688 INFO kablam! 22 | |      * let variable:struct_name = struct_name { member1:value1, member2:value2,..}
Aug 29 20:06:01.688 INFO kablam! 23 | |      */
Aug 29 20:06:01.688 INFO kablam!    | |_______^
Aug 29 20:06:01.688 INFO kablam!    |
Aug 29 20:06:01.688 INFO kablam!    = note: #[warn(unused_doc_comments)] on by default
Aug 29 20:06:01.688 INFO kablam! 
Aug 29 20:06:01.688 INFO kablam! warning: doc comment not used by rustdoc
Aug 29 20:06:01.688 INFO kablam!   --> examples/struct.rs:30:5
Aug 29 20:06:01.688 INFO kablam!    |
Aug 29 20:06:01.688 INFO kablam! 30 | /     /** Declaration of a structure should be completed with initialization of it's fields
Aug 29 20:06:01.688 INFO kablam! 31 | |      * It should be in the following format
Aug 29 20:06:01.688 INFO kablam! 32 | |      * let variable:struct_name = struct_name { member1:value1, member2:value2,..}
Aug 29 20:06:01.689 INFO kablam! 33 | |      */
Aug 29 20:06:01.689 INFO kablam!    | |_______^
Aug 29 20:06:01.689 INFO kablam! 
Aug 29 20:06:01.705 INFO kablam! error[E0277]: cannot add `usize` to `i32`
Aug 29 20:06:01.705 INFO kablam!   --> examples/prog.rs:13:24
Aug 29 20:06:01.705 INFO kablam!    |
Aug 29 20:06:01.705 INFO kablam! 13 |     let mut a: i32 = b + std::mem::size_of(i32);
Aug 29 20:06:01.705 INFO kablam!    |                        ^ no implementation for `i32 + usize`
Aug 29 20:06:01.705 INFO kablam!    |
Aug 29 20:06:01.705 INFO kablam!    = help: the trait `std::ops::Add<usize>` is not implemented for `i32`
Aug 29 20:06:01.705 INFO kablam! 
Aug 29 20:06:01.706 INFO kablam! error: aborting due to 7 previous errors
Aug 29 20:06:01.706 INFO kablam! 
Aug 29 20:06:01.706 INFO kablam! Some errors occurred: E0061, E0277, E0308, E0423, E0425.
Aug 29 20:06:01.706 INFO kablam! For more information about an error, try `rustc --explain E0061`.
Aug 29 20:06:01.718 INFO kablam! error: Could not compile `crust`.
Aug 29 20:06:01.719 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 29 20:06:01.746 INFO kablam! warning: unused variable: `fp`
Aug 29 20:06:01.747 INFO kablam!   --> examples/struct.rs:24:9
Aug 29 20:06:01.747 INFO kablam!    |
Aug 29 20:06:01.747 INFO kablam! 24 |     let fp = FilePointer {
Aug 29 20:06:01.747 INFO kablam!    |         ^^ help: consider using `_fp` instead
Aug 29 20:06:01.747 INFO kablam!    |
Aug 29 20:06:01.747 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 29 20:06:01.747 INFO kablam! 
Aug 29 20:06:01.747 INFO kablam! warning: unused variable: `decl_a`
Aug 29 20:06:01.747 INFO kablam!   --> examples/struct.rs:34:9
Aug 29 20:06:01.747 INFO kablam!    |
Aug 29 20:06:01.747 INFO kablam! 34 |     let decl_a = A {
Aug 29 20:06:01.747 INFO kablam!    |         ^^^^^^ help: consider using `_decl_a` instead
Aug 29 20:06:01.747 INFO kablam! 
Aug 29 20:06:01.748 INFO kablam! warning: field is never used: `stdin`
Aug 29 20:06:01.748 INFO kablam!  --> examples/struct.rs:8:5
Aug 29 20:06:01.748 INFO kablam!   |
Aug 29 20:06:01.748 INFO kablam! 8 |     stdin: i32,
Aug 29 20:06:01.748 INFO kablam!   |     ^^^^^^^^^^
Aug 29 20:06:01.748 INFO kablam!   |
Aug 29 20:06:01.748 INFO kablam!   = note: #[warn(dead_code)] on by default
Aug 29 20:06:01.748 INFO kablam! 
Aug 29 20:06:01.748 INFO kablam! warning: field is never used: `stdout`
Aug 29 20:06:01.748 INFO kablam!  --> examples/struct.rs:9:5
Aug 29 20:06:01.748 INFO kablam!   |
Aug 29 20:06:01.748 INFO kablam! 9 |     stdout: i32,
Aug 29 20:06:01.748 INFO kablam!   |     ^^^^^^^^^^^
Aug 29 20:06:01.748 INFO kablam! 
Aug 29 20:06:01.748 INFO kablam! warning: field is never used: `stderr`
Aug 29 20:06:01.748 INFO kablam!   --> examples/struct.rs:10:5
Aug 29 20:06:01.748 INFO kablam!    |
Aug 29 20:06:01.748 INFO kablam! 10 |     stderr: i32,
Aug 29 20:06:01.748 INFO kablam!    |     ^^^^^^^^^^^
Aug 29 20:06:01.749 INFO kablam! 
Aug 29 20:06:01.749 INFO kablam! warning: field is never used: `EOF`
Aug 29 20:06:01.749 INFO kablam!   --> examples/struct.rs:11:5
Aug 29 20:06:01.749 INFO kablam!    |
Aug 29 20:06:01.749 INFO kablam! 11 |     EOF: char,
Aug 29 20:06:01.749 INFO kablam!    |     ^^^^^^^^^
Aug 29 20:06:01.749 INFO kablam! 
Aug 29 20:06:01.749 INFO kablam! warning: field is never used: `a`
Aug 29 20:06:01.749 INFO kablam!   --> examples/struct.rs:14:5
Aug 29 20:06:01.749 INFO kablam!    |
Aug 29 20:06:01.749 INFO kablam! 14 |     a: i32,
Aug 29 20:06:01.749 INFO kablam!    |     ^^^^^^
Aug 29 20:06:01.749 INFO kablam! 
Aug 29 20:06:01.749 INFO kablam! warning: field is never used: `b`
Aug 29 20:06:01.749 INFO kablam!   --> examples/struct.rs:15:5
Aug 29 20:06:01.749 INFO kablam!    |
Aug 29 20:06:01.749 INFO kablam! 15 |     b: i32,
Aug 29 20:06:01.749 INFO kablam!    |     ^^^^^^
Aug 29 20:06:01.749 INFO kablam! 
Aug 29 20:06:01.749 INFO kablam! warning: field is never used: `c`
Aug 29 20:06:01.749 INFO kablam!   --> examples/struct.rs:16:5
Aug 29 20:06:01.749 INFO kablam!    |
Aug 29 20:06:01.750 INFO kablam! 16 |     c: i32,
Aug 29 20:06:01.750 INFO kablam!    |     ^^^^^^
Aug 29 20:06:01.750 INFO kablam! 
Aug 29 20:06:01.750 INFO kablam! warning: field is never used: `fa`
Aug 29 20:06:01.750 INFO kablam!   --> examples/struct.rs:17:5
Aug 29 20:06:01.750 INFO kablam!    |
Aug 29 20:06:01.750 INFO kablam! 17 |     fa: f32,
Aug 29 20:06:01.750 INFO kablam!    |     ^^^^^^^
Aug 29 20:06:01.750 INFO kablam! 
Aug 29 20:06:01.750 INFO kablam! warning: structure field `EOF` should have a snake case name such as `eof`
Aug 29 20:06:01.750 INFO kablam!   --> examples/struct.rs:11:5
Aug 29 20:06:01.750 INFO kablam!    |
Aug 29 20:06:01.750 INFO kablam! 11 |     EOF: char,
Aug 29 20:06:01.750 INFO kablam!    |     ^^^^^^^^^
Aug 29 20:06:01.750 INFO kablam!    |
Aug 29 20:06:01.750 INFO kablam!    = note: #[warn(non_snake_case)] on by default
Aug 29 20:06:01.750 INFO kablam! 
Aug 29 20:06:01.777 INFO kablam! warning: unused variable: `argc`
Aug 29 20:06:01.777 INFO kablam!   --> examples/main.rs:11:13
Aug 29 20:06:01.777 INFO kablam!    |
Aug 29 20:06:01.777 INFO kablam! 11 |     let mut argc = argv.len();
Aug 29 20:06:01.777 INFO kablam!    |             ^^^^ help: consider using `_argc` instead
Aug 29 20:06:01.777 INFO kablam!    |
Aug 29 20:06:01.777 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 29 20:06:01.777 INFO kablam! 
Aug 29 20:06:01.779 INFO kablam! warning: variable does not need to be mutable
Aug 29 20:06:01.779 INFO kablam!   --> examples/main.rs:10:9
Aug 29 20:06:01.779 INFO kablam!    |
Aug 29 20:06:01.779 INFO kablam! 10 |     let mut argv: Vec<_> = std::env::args().collect();
Aug 29 20:06:01.779 INFO kablam!    |         ----^^^^
Aug 29 20:06:01.779 INFO kablam!    |         |
Aug 29 20:06:01.779 INFO kablam!    |         help: remove this `mut`
Aug 29 20:06:01.779 INFO kablam!    |
Aug 29 20:06:01.779 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 29 20:06:01.779 INFO kablam! 
Aug 29 20:06:01.779 INFO kablam! warning: variable does not need to be mutable
Aug 29 20:06:01.779 INFO kablam!   --> examples/main.rs:11:9
Aug 29 20:06:01.779 INFO kablam!    |
Aug 29 20:06:01.779 INFO kablam! 11 |     let mut argc = argv.len();
Aug 29 20:06:01.779 INFO kablam!    |         ----^^^^
Aug 29 20:06:01.779 INFO kablam!    |         |
Aug 29 20:06:01.779 INFO kablam!    |         help: remove this `mut`
Aug 29 20:06:01.780 INFO kablam! 
Aug 29 20:06:01.780 INFO kablam! warning: function is never used: `hello`
Aug 29 20:06:01.780 INFO kablam!   --> examples/main.rs:18:1
Aug 29 20:06:01.780 INFO kablam!    |
Aug 29 20:06:01.780 INFO kablam! 18 | fn hello() -> i32 {
Aug 29 20:06:01.780 INFO kablam!    | ^^^^^^^^^^^^^^^^^
Aug 29 20:06:01.780 INFO kablam!    |
Aug 29 20:06:01.780 INFO kablam!    = note: #[warn(dead_code)] on by default
Aug 29 20:06:01.780 INFO kablam! 
Aug 29 20:06:01.798 INFO kablam! warning: unused variable: `ah`
Aug 29 20:06:01.798 INFO kablam!   --> examples/if.rs:14:13
Aug 29 20:06:01.798 INFO kablam!    |
Aug 29 20:06:01.798 INFO kablam! 14 |     let mut ah: i32;
Aug 29 20:06:01.798 INFO kablam!    |             ^^ help: consider using `_ah` instead
Aug 29 20:06:01.806 INFO kablam!    |
Aug 29 20:06:01.806 INFO kablam!    = note: #[warn(unused_variables)] on by default
Aug 29 20:06:01.807 INFO kablam! 
Aug 29 20:06:01.808 INFO kablam! warning: variable does not need to be mutable
Aug 29 20:06:01.808 INFO kablam!   --> examples/if.rs:10:9
Aug 29 20:06:01.808 INFO kablam!    |
Aug 29 20:06:01.808 INFO kablam! 10 |     let mut a: u16 = 0;
Aug 29 20:06:01.808 INFO kablam!    |         ----^
Aug 29 20:06:01.808 INFO kablam!    |         |
Aug 29 20:06:01.808 INFO kablam!    |         help: remove this `mut`
Aug 29 20:06:01.808 INFO kablam!    |
Aug 29 20:06:01.808 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 29 20:06:01.808 INFO kablam! 
Aug 29 20:06:01.808 INFO kablam! warning: variable does not need to be mutable
Aug 29 20:06:01.808 INFO kablam!   --> examples/if.rs:11:9
Aug 29 20:06:01.808 INFO kablam!    |
Aug 29 20:06:01.808 INFO kablam! 11 |     let mut b: u16 = 9;
Aug 29 20:06:01.808 INFO kablam!    |         ----^
Aug 29 20:06:01.808 INFO kablam!    |         |
Aug 29 20:06:01.808 INFO kablam!    |         help: remove this `mut`
Aug 29 20:06:01.808 INFO kablam! 
Aug 29 20:06:01.808 INFO kablam! warning: variable does not need to be mutable
Aug 29 20:06:01.808 INFO kablam!   --> examples/if.rs:14:9
Aug 29 20:06:01.809 INFO kablam!    |
Aug 29 20:06:01.809 INFO kablam! 14 |     let mut ah: i32;
Aug 29 20:06:01.809 INFO kablam!    |         ----^^
Aug 29 20:06:01.809 INFO kablam!    |         |
Aug 29 20:06:01.809 INFO kablam!    |         help: remove this `mut`
Aug 29 20:06:01.809 INFO kablam! 
Aug 29 20:06:03.342 INFO kablam! warning: unused arithmetic operation which must be used
Aug 29 20:06:03.342 INFO kablam!     --> src/library/parser/mod.rs:1578:21
Aug 29 20:06:03.342 INFO kablam!      |
Aug 29 20:06:03.342 INFO kablam! 1578 |                     thead + 1;
Aug 29 20:06:03.343 INFO kablam!      |                     ^^^^^^^^^
Aug 29 20:06:03.343 INFO kablam!      |
Aug 29 20:06:03.343 INFO kablam!      = note: #[warn(unused_must_use)] on by default
Aug 29 20:06:03.343 INFO kablam! 
Aug 29 20:06:03.837 INFO kablam! warning: unused arithmetic operation which must be used
Aug 29 20:06:03.838 INFO kablam!     --> src/library/parser/mod.rs:1578:21
Aug 29 20:06:03.838 INFO kablam!      |
Aug 29 20:06:03.838 INFO kablam! 1578 |                     thead + 1;
Aug 29 20:06:03.838 INFO kablam!      |                     ^^^^^^^^^
Aug 29 20:06:03.838 INFO kablam!      |
Aug 29 20:06:03.838 INFO kablam!      = note: #[warn(unused_must_use)] on by default
Aug 29 20:06:03.838 INFO kablam! 
Aug 29 20:06:03.904 INFO kablam! error: build failed
Aug 29 20:06:03.906 INFO kablam! su: No module specific data is present
Aug 29 20:06:04.412 INFO running `"docker" "rm" "-f" "b7ffc365356b7ac4fd7854c5859cd07a38929ff8c33f981136ecf1921bf91c55"`
Aug 29 20:06:04.582 INFO blam! b7ffc365356b7ac4fd7854c5859cd07a38929ff8c33f981136ecf1921bf91c55