Oct 27 12:27:46.733 INFO checking CarloMicieli/rust_tutorial against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 27 12:27:46.734 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-2/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +19f01b935b91481fd445b16b533d2f87661bf12e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 27 12:27:47.041 INFO blam! cb87893f4f2b94ea528fdaf8667263a97a3ec35410104301bf1d1d0a241f475d
Oct 27 12:27:47.046 INFO running `"docker" "start" "-a" "cb87893f4f2b94ea528fdaf8667263a97a3ec35410104301bf1d1d0a241f475d"`
Oct 27 12:27:47.919 INFO kablam! usermod: no changes
Oct 27 12:27:47.966 INFO kablam!     Checking rust_tutorial v0.1.0 (/source)
Oct 27 12:27:48.603 INFO kablam! warning: function is never used: `thruth`
Oct 27 12:27:48.604 INFO kablam!  --> src/control_flow/ifs.rs:1:1
Oct 27 12:27:48.604 INFO kablam!   |
Oct 27 12:27:48.604 INFO kablam! 1 | pub fn thruth(x: i32) -> bool {
Oct 27 12:27:48.604 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 12:27:48.605 INFO kablam!   |
Oct 27 12:27:48.605 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 27 12:27:48.605 INFO kablam! 
Oct 27 12:27:48.634 INFO kablam! warning: function is never used: `if_as_expression`
Oct 27 12:27:48.634 INFO kablam!  --> src/control_flow/ifs.rs:9:1
Oct 27 12:27:48.635 INFO kablam!   |
Oct 27 12:27:48.635 INFO kablam! 9 | pub fn if_as_expression(x: i32) -> &'static str {
Oct 27 12:27:48.635 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 12:27:48.635 INFO kablam! 
Oct 27 12:27:48.636 INFO kablam! warning: function is never used: `sum`
Oct 27 12:27:48.636 INFO kablam!  --> src/control_flow/loops.rs:2:1
Oct 27 12:27:48.636 INFO kablam!   |
Oct 27 12:27:48.637 INFO kablam! 2 | pub fn sum(from: i32, to: i32) -> i32 {
Oct 27 12:27:48.637 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 12:27:48.637 INFO kablam! 
Oct 27 12:27:48.637 INFO kablam! warning: function is never used: `sum2`
Oct 27 12:27:48.638 INFO kablam!   --> src/control_flow/loops.rs:15:1
Oct 27 12:27:48.638 INFO kablam!    |
Oct 27 12:27:48.638 INFO kablam! 15 | pub fn sum2(from: i32, to: i32) -> i32 {
Oct 27 12:27:48.638 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 12:27:48.639 INFO kablam! 
Oct 27 12:27:48.639 INFO kablam! warning: function is never used: `sum3`
Oct 27 12:27:48.639 INFO kablam!   --> src/control_flow/loops.rs:24:1
Oct 27 12:27:48.639 INFO kablam!    |
Oct 27 12:27:48.640 INFO kablam! 24 | pub fn sum3(from: i32, to: i32) -> i32 {
Oct 27 12:27:48.640 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 12:27:48.640 INFO kablam! 
Oct 27 12:27:48.640 INFO kablam! warning: variant is never constructed: `Val`
Oct 27 12:27:48.641 INFO kablam!  --> src/custom_types/expressions.rs:5:5
Oct 27 12:27:48.641 INFO kablam!   |
Oct 27 12:27:48.641 INFO kablam! 5 |     Val { n: i32 },
Oct 27 12:27:48.642 INFO kablam!   |     ^^^^^^^^^^^^^^
Oct 27 12:27:48.642 INFO kablam! 
Oct 27 12:27:48.642 INFO kablam! warning: variant is never constructed: `Variable`
Oct 27 12:27:48.642 INFO kablam!  --> src/custom_types/expressions.rs:6:5
Oct 27 12:27:48.643 INFO kablam!   |
Oct 27 12:27:48.643 INFO kablam! 6 |     Variable { name: String, exp: Box<Exp> },
Oct 27 12:27:48.643 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 12:27:48.643 INFO kablam! 
Oct 27 12:27:48.644 INFO kablam! warning: variant is never constructed: `Sum`
Oct 27 12:27:48.644 INFO kablam!  --> src/custom_types/expressions.rs:7:5
Oct 27 12:27:48.644 INFO kablam!   |
Oct 27 12:27:48.644 INFO kablam! 7 |     Sum { lhs: Box<Exp>, rhs: Box<Exp> },
Oct 27 12:27:48.645 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 12:27:48.645 INFO kablam! 
Oct 27 12:27:48.645 INFO kablam! warning: method is never used: `constant`
Oct 27 12:27:48.645 INFO kablam!   --> src/custom_types/expressions.rs:22:5
Oct 27 12:27:48.646 INFO kablam!    |
Oct 27 12:27:48.646 INFO kablam! 22 |     pub fn constant(val: i32) -> Exp {
Oct 27 12:27:48.646 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 12:27:48.646 INFO kablam! 
Oct 27 12:27:48.647 INFO kablam! warning: method is never used: `variable`
Oct 27 12:27:48.647 INFO kablam!   --> src/custom_types/expressions.rs:29:5
Oct 27 12:27:48.647 INFO kablam!    |
Oct 27 12:27:48.648 INFO kablam! 29 |     pub fn variable(name: &str, exp: Exp) -> Exp {
Oct 27 12:27:48.648 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 12:27:48.648 INFO kablam! 
Oct 27 12:27:48.648 INFO kablam! warning: method is never used: `sum`
Oct 27 12:27:48.649 INFO kablam!   --> src/custom_types/expressions.rs:36:5
Oct 27 12:27:48.649 INFO kablam!    |
Oct 27 12:27:48.649 INFO kablam! 36 |     pub fn sum(lhs: Exp, rhs: Exp) -> Exp {
Oct 27 12:27:48.649 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 12:27:48.650 INFO kablam! 
Oct 27 12:27:48.650 INFO kablam! warning: method is never used: `eval`
Oct 27 12:27:48.650 INFO kablam!   --> src/custom_types/expressions.rs:43:5
Oct 27 12:27:48.650 INFO kablam!    |
Oct 27 12:27:48.651 INFO kablam! 43 |     pub fn eval(exp: &Exp) -> i32 {
Oct 27 12:27:48.652 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 12:27:48.652 INFO kablam! 
Oct 27 12:27:48.652 INFO kablam! warning: method is never used: `numerator`
Oct 27 12:27:48.652 INFO kablam!   --> src/custom_types/rational.rs:26:5
Oct 27 12:27:48.653 INFO kablam!    |
Oct 27 12:27:48.653 INFO kablam! 26 |     pub fn numerator(&self) -> i32 {
Oct 27 12:27:48.653 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 12:27:48.653 INFO kablam! 
Oct 27 12:27:48.654 INFO kablam! warning: method is never used: `denominator`
Oct 27 12:27:48.654 INFO kablam!   --> src/custom_types/rational.rs:30:5
Oct 27 12:27:48.654 INFO kablam!    |
Oct 27 12:27:48.654 INFO kablam! 30 |     pub fn denominator(&self) -> i32 {
Oct 27 12:27:48.655 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 12:27:48.655 INFO kablam! 
Oct 27 12:27:48.655 INFO kablam! warning: method is never used: `from`
Oct 27 12:27:48.655 INFO kablam!   --> src/custom_types/rational.rs:35:5
Oct 27 12:27:48.656 INFO kablam!    |
Oct 27 12:27:48.656 INFO kablam! 35 |     pub fn from(num: i32) -> Rational {
Oct 27 12:27:48.656 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 12:27:48.656 INFO kablam! 
Oct 27 12:27:48.657 INFO kablam! warning: function is never used: `sum`
Oct 27 12:27:48.657 INFO kablam!  --> src/functions/functions.rs:1:1
Oct 27 12:27:48.657 INFO kablam!   |
Oct 27 12:27:48.657 INFO kablam! 1 | fn sum(a: i32, b: i32) -> i32 {
Oct 27 12:27:48.658 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 12:27:48.658 INFO kablam! 
Oct 27 12:27:48.658 INFO kablam! warning: variant is never constructed: `DividedByZero`
Oct 27 12:27:48.658 INFO kablam!  --> src/functions/functions.rs:7:5
Oct 27 12:27:48.659 INFO kablam!   |
Oct 27 12:27:48.659 INFO kablam! 7 |     DividedByZero,
Oct 27 12:27:48.659 INFO kablam!   |     ^^^^^^^^^^^^^
Oct 27 12:27:48.659 INFO kablam! 
Oct 27 12:27:48.660 INFO kablam! warning: function is never used: `div`
Oct 27 12:27:48.660 INFO kablam!   --> src/functions/functions.rs:10:1
Oct 27 12:27:48.660 INFO kablam!    |
Oct 27 12:27:48.660 INFO kablam! 10 | fn div(a: i32, b: i32) -> Result<i32, DivError> {
Oct 27 12:27:48.661 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 12:27:48.661 INFO kablam! 
Oct 27 12:27:48.661 INFO kablam! warning: function is never used: `fib`
Oct 27 12:27:48.661 INFO kablam!   --> src/functions/functions.rs:18:1
Oct 27 12:27:48.662 INFO kablam!    |
Oct 27 12:27:48.662 INFO kablam! 18 | pub fn fib(n: i32) -> i32 {
Oct 27 12:27:48.662 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 12:27:48.663 INFO kablam! 
Oct 27 12:27:48.663 INFO kablam! warning: function is never used: `max`
Oct 27 12:27:48.663 INFO kablam!   --> src/functions/functions.rs:28:1
Oct 27 12:27:48.663 INFO kablam!    |
Oct 27 12:27:48.664 INFO kablam! 28 | / fn max<T>(a: T, b: T) -> T
Oct 27 12:27:48.664 INFO kablam! 29 | | where
Oct 27 12:27:48.664 INFO kablam! 30 | |     T: PartialOrd,
Oct 27 12:27:48.664 INFO kablam! 31 | | {
Oct 27 12:27:48.664 INFO kablam! ...  |
Oct 27 12:27:48.665 INFO kablam! 36 | |     }
Oct 27 12:27:48.665 INFO kablam! 37 | | }
Oct 27 12:27:48.665 INFO kablam!    | |_^
Oct 27 12:27:48.665 INFO kablam! 
Oct 27 12:27:48.666 INFO kablam! warning: function is never used: `hello`
Oct 27 12:27:48.666 INFO kablam!  --> src/primitive_types/strings.rs:2:1
Oct 27 12:27:48.666 INFO kablam!   |
Oct 27 12:27:48.666 INFO kablam! 2 | fn hello(name: &str) -> String {
Oct 27 12:27:48.667 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 12:27:48.667 INFO kablam! 
Oct 27 12:27:48.667 INFO kablam! warning: the `d:` in this pattern is redundant
Oct 27 12:27:48.667 INFO kablam!   --> src/custom_types/rational.rs:80:30
Oct 27 12:27:48.668 INFO kablam!    |
Oct 27 12:27:48.668 INFO kablam! 80 |         let Rational { n: c, d: d } = other;
Oct 27 12:27:48.668 INFO kablam!    |                              --^^
Oct 27 12:27:48.668 INFO kablam!    |                              |
Oct 27 12:27:48.669 INFO kablam!    |                              help: remove this
Oct 27 12:27:48.669 INFO kablam!    |
Oct 27 12:27:48.669 INFO kablam!    = note: #[warn(non_shorthand_field_patterns)] on by default
Oct 27 12:27:48.669 INFO kablam! 
Oct 27 12:27:48.690 INFO kablam! warning: unused import: `super::*`
Oct 27 12:27:48.690 INFO kablam!  --> src/collections/arrays.rs:4:9
Oct 27 12:27:48.690 INFO kablam!   |
Oct 27 12:27:48.690 INFO kablam! 4 |     use super::*;
Oct 27 12:27:48.690 INFO kablam!   |         ^^^^^^^^
Oct 27 12:27:48.690 INFO kablam!   |
Oct 27 12:27:48.690 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 27 12:27:48.690 INFO kablam! 
Oct 27 12:27:48.690 INFO kablam! warning: unused import: `super::*`
Oct 27 12:27:48.690 INFO kablam!  --> src/collections/vectors.rs:4:9
Oct 27 12:27:48.690 INFO kablam!   |
Oct 27 12:27:48.691 INFO kablam! 4 |     use super::*;
Oct 27 12:27:48.691 INFO kablam!   |         ^^^^^^^^
Oct 27 12:27:48.691 INFO kablam! 
Oct 27 12:27:49.091 INFO kablam! warning: the `d:` in this pattern is redundant
Oct 27 12:27:49.091 INFO kablam!   --> src/custom_types/rational.rs:80:30
Oct 27 12:27:49.091 INFO kablam!    |
Oct 27 12:27:49.091 INFO kablam! 80 |         let Rational { n: c, d: d } = other;
Oct 27 12:27:49.091 INFO kablam!    |                              --^^
Oct 27 12:27:49.091 INFO kablam!    |                              |
Oct 27 12:27:49.091 INFO kablam!    |                              help: remove this
Oct 27 12:27:49.091 INFO kablam!    |
Oct 27 12:27:49.091 INFO kablam!    = note: #[warn(non_shorthand_field_patterns)] on by default
Oct 27 12:27:49.091 INFO kablam! 
Oct 27 12:27:49.140 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
Oct 27 12:27:49.147 INFO kablam! su: No module specific data is present
Oct 27 12:27:49.955 INFO running `"docker" "rm" "-f" "cb87893f4f2b94ea528fdaf8667263a97a3ec35410104301bf1d1d0a241f475d"`
Oct 27 12:27:50.283 INFO blam! cb87893f4f2b94ea528fdaf8667263a97a3ec35410104301bf1d1d0a241f475d