Nov 02 16:55:58.545 INFO checking caporta/rust_fundamentals against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 02 16:55:58.545 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-0/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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"`
Nov 02 16:55:59.173 INFO blam! 3c8f8ba4c62a21706251980cb95fef3c69eafb718574d545c4edb32c53cfd92c
Nov 02 16:55:59.174 INFO running `"docker" "start" "-a" "3c8f8ba4c62a21706251980cb95fef3c69eafb718574d545c4edb32c53cfd92c"`
Nov 02 16:56:00.553 INFO kablam! usermod: no changes
Nov 02 16:56:00.596 INFO kablam!     Checking hello_world v0.0.1 (/source)
Nov 02 16:56:00.705 INFO kablam! warning: unknown lint: `unused_variable`
Nov 02 16:56:00.705 INFO kablam!  --> src/stack_and_heap.rs:2:9
Nov 02 16:56:00.705 INFO kablam!   |
Nov 02 16:56:00.705 INFO kablam! 2 | #[allow(unused_variable)]
Nov 02 16:56:00.705 INFO kablam!   |         ^^^^^^^^^^^^^^^
Nov 02 16:56:00.705 INFO kablam!   |
Nov 02 16:56:00.705 INFO kablam!   = note: #[warn(unknown_lints)] on by default
Nov 02 16:56:00.705 INFO kablam! 
Nov 02 16:56:00.752 INFO kablam! warning: unknown lint: `unused_variable`
Nov 02 16:56:00.752 INFO kablam!  --> src/stack_and_heap.rs:2:9
Nov 02 16:56:00.752 INFO kablam!   |
Nov 02 16:56:00.752 INFO kablam! 2 | #[allow(unused_variable)]
Nov 02 16:56:00.752 INFO kablam!   |         ^^^^^^^^^^^^^^^
Nov 02 16:56:00.752 INFO kablam!   |
Nov 02 16:56:00.752 INFO kablam!   = note: #[warn(unknown_lints)] on by default
Nov 02 16:56:00.752 INFO kablam! 
Nov 02 16:56:01.572 INFO kablam! warning: unused variable: `x`
Nov 02 16:56:01.572 INFO kablam!   --> src/stack_and_heap.rs:15:9
Nov 02 16:56:01.572 INFO kablam!    |
Nov 02 16:56:01.572 INFO kablam! 15 |     let x = 5; // i32 stored on the stack
Nov 02 16:56:01.572 INFO kablam!    |         ^ help: consider using `_x` instead
Nov 02 16:56:01.572 INFO kablam!    |
Nov 02 16:56:01.572 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 02 16:56:01.572 INFO kablam! 
Nov 02 16:56:01.580 INFO kablam! warning: unused variable: `u`
Nov 02 16:56:01.580 INFO kablam!   --> src/data_structures_2.rs:43:9
Nov 02 16:56:01.580 INFO kablam!    |
Nov 02 16:56:01.580 INFO kablam! 43 |     let u:&str = &letters; // d-ref conversions
Nov 02 16:56:01.580 INFO kablam!    |         ^ help: consider using `_u` instead
Nov 02 16:56:01.580 INFO kablam! 
Nov 02 16:56:01.580 INFO kablam! warning: unused variable: `z`
Nov 02 16:56:01.580 INFO kablam!  --> src/pattern_matching.rs:5:9
Nov 02 16:56:01.580 INFO kablam!   |
Nov 02 16:56:01.580 INFO kablam! 5 |         z @ 9...11 => "lots of", //assign range to variable
Nov 02 16:56:01.580 INFO kablam!   |         ^ help: consider using `_z` instead
Nov 02 16:56:01.580 INFO kablam! 
Nov 02 16:56:01.580 INFO kablam! warning: unused variable: `myLine`
Nov 02 16:56:01.580 INFO kablam!   --> src/generics.rs:17:9
Nov 02 16:56:01.580 INFO kablam!    |
Nov 02 16:56:01.580 INFO kablam! 17 |     let myLine = Line { start: a, end: b };
Nov 02 16:56:01.580 INFO kablam!    |         ^^^^^^ help: consider using `_myLine` instead
Nov 02 16:56:01.580 INFO kablam! 
Nov 02 16:56:01.629 INFO kablam! warning: unused variable: `x`
Nov 02 16:56:01.629 INFO kablam!   --> src/stack_and_heap.rs:15:9
Nov 02 16:56:01.629 INFO kablam!    |
Nov 02 16:56:01.629 INFO kablam! 15 |     let x = 5; // i32 stored on the stack
Nov 02 16:56:01.629 INFO kablam!    |         ^ help: consider using `_x` instead
Nov 02 16:56:01.629 INFO kablam!    |
Nov 02 16:56:01.629 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 02 16:56:01.629 INFO kablam! 
Nov 02 16:56:01.629 INFO kablam! warning: unused variable: `u`
Nov 02 16:56:01.629 INFO kablam!   --> src/data_structures_2.rs:43:9
Nov 02 16:56:01.629 INFO kablam!    |
Nov 02 16:56:01.629 INFO kablam! 43 |     let u:&str = &letters; // d-ref conversions
Nov 02 16:56:01.629 INFO kablam!    |         ^ help: consider using `_u` instead
Nov 02 16:56:01.629 INFO kablam! 
Nov 02 16:56:01.629 INFO kablam! warning: unused variable: `z`
Nov 02 16:56:01.629 INFO kablam!  --> src/pattern_matching.rs:5:9
Nov 02 16:56:01.629 INFO kablam!   |
Nov 02 16:56:01.629 INFO kablam! 5 |         z @ 9...11 => "lots of", //assign range to variable
Nov 02 16:56:01.629 INFO kablam!   |         ^ help: consider using `_z` instead
Nov 02 16:56:01.629 INFO kablam! 
Nov 02 16:56:01.636 INFO kablam! warning: unused variable: `myLine`
Nov 02 16:56:01.636 INFO kablam!   --> src/generics.rs:17:9
Nov 02 16:56:01.636 INFO kablam!    |
Nov 02 16:56:01.636 INFO kablam! 17 |     let myLine = Line { start: a, end: b };
Nov 02 16:56:01.636 INFO kablam!    |         ^^^^^^ help: consider using `_myLine` instead
Nov 02 16:56:01.636 INFO kablam! 
Nov 02 16:56:01.716 INFO kablam! warning: field is never used: `y`
Nov 02 16:56:01.716 INFO kablam!  --> src/stack_and_heap.rs:7:5
Nov 02 16:56:01.716 INFO kablam!   |
Nov 02 16:56:01.716 INFO kablam! 7 |     y: f64
Nov 02 16:56:01.716 INFO kablam!   |     ^^^^^^
Nov 02 16:56:01.716 INFO kablam!   |
Nov 02 16:56:01.716 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 02 16:56:01.717 INFO kablam! 
Nov 02 16:56:01.717 INFO kablam! warning: variant is never constructed: `Red`
Nov 02 16:56:01.717 INFO kablam!   --> src/data_structures_1.rs:28:5
Nov 02 16:56:01.717 INFO kablam!    |
Nov 02 16:56:01.717 INFO kablam! 28 |     Red, // "memberless struct"
Nov 02 16:56:01.717 INFO kablam!    |     ^^^
Nov 02 16:56:01.717 INFO kablam! 
Nov 02 16:56:01.717 INFO kablam! warning: variant is never constructed: `Green`
Nov 02 16:56:01.717 INFO kablam!   --> src/data_structures_1.rs:29:5
Nov 02 16:56:01.717 INFO kablam!    |
Nov 02 16:56:01.717 INFO kablam! 29 |     Green, // "memberless struct"
Nov 02 16:56:01.717 INFO kablam!    |     ^^^^^
Nov 02 16:56:01.717 INFO kablam! 
Nov 02 16:56:01.717 INFO kablam! warning: variant is never constructed: `Blue`
Nov 02 16:56:01.717 INFO kablam!   --> src/data_structures_1.rs:30:5
Nov 02 16:56:01.717 INFO kablam!    |
Nov 02 16:56:01.717 INFO kablam! 30 |     Blue, // etc...
Nov 02 16:56:01.717 INFO kablam!    |     ^^^^
Nov 02 16:56:01.717 INFO kablam! 
Nov 02 16:56:01.717 INFO kablam! warning: variant is never constructed: `RGBColor`
Nov 02 16:56:01.717 INFO kablam!   --> src/data_structures_1.rs:31:5
Nov 02 16:56:01.717 INFO kablam!    |
Nov 02 16:56:01.717 INFO kablam! 31 |     RGBColor(u8, u8, u8), // tuple
Nov 02 16:56:01.717 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Nov 02 16:56:01.717 INFO kablam! 
Nov 02 16:56:01.717 INFO kablam! warning: field is never used: `cyan`
Nov 02 16:56:01.717 INFO kablam!   --> src/data_structures_1.rs:32:15
Nov 02 16:56:01.717 INFO kablam!    |
Nov 02 16:56:01.717 INFO kablam! 32 |     CmykColor{cyan:u8, magenta:u8, yellow:u8, black:u8}, // struct
Nov 02 16:56:01.717 INFO kablam!    |               ^^^^^^^
Nov 02 16:56:01.717 INFO kablam! 
Nov 02 16:56:01.717 INFO kablam! warning: field is never used: `magenta`
Nov 02 16:56:01.717 INFO kablam!   --> src/data_structures_1.rs:32:24
Nov 02 16:56:01.717 INFO kablam!    |
Nov 02 16:56:01.717 INFO kablam! 32 |     CmykColor{cyan:u8, magenta:u8, yellow:u8, black:u8}, // struct
Nov 02 16:56:01.717 INFO kablam!    |                        ^^^^^^^^^^
Nov 02 16:56:01.717 INFO kablam! 
Nov 02 16:56:01.717 INFO kablam! warning: field is never used: `yellow`
Nov 02 16:56:01.717 INFO kablam!   --> src/data_structures_1.rs:32:36
Nov 02 16:56:01.717 INFO kablam!    |
Nov 02 16:56:01.717 INFO kablam! 32 |     CmykColor{cyan:u8, magenta:u8, yellow:u8, black:u8}, // struct
Nov 02 16:56:01.717 INFO kablam!    |                                    ^^^^^^^^^
Nov 02 16:56:01.717 INFO kablam! 
Nov 02 16:56:01.717 INFO kablam! warning: field is never used: `start`
Nov 02 16:56:01.717 INFO kablam!  --> src/generics.rs:7:5
Nov 02 16:56:01.717 INFO kablam!   |
Nov 02 16:56:01.717 INFO kablam! 7 |     start: Point<T>,
Nov 02 16:56:01.717 INFO kablam!   |     ^^^^^^^^^^^^^^^
Nov 02 16:56:01.717 INFO kablam! 
Nov 02 16:56:01.717 INFO kablam! warning: field is never used: `end`
Nov 02 16:56:01.717 INFO kablam!  --> src/generics.rs:8:5
Nov 02 16:56:01.717 INFO kablam!   |
Nov 02 16:56:01.717 INFO kablam! 8 |     end: Point<T>,
Nov 02 16:56:01.717 INFO kablam!   |     ^^^^^^^^^^^^^
Nov 02 16:56:01.717 INFO kablam! 
Nov 02 16:56:01.720 INFO kablam! warning: variable `myLine` should have a snake case name such as `my_line`
Nov 02 16:56:01.720 INFO kablam!   --> src/data_structures_1.rs:21:9
Nov 02 16:56:01.720 INFO kablam!    |
Nov 02 16:56:01.720 INFO kablam! 21 |     let myLine = Line { start: p, end: p2 };
Nov 02 16:56:01.720 INFO kablam!    |         ^^^^^^
Nov 02 16:56:01.720 INFO kablam!    |
Nov 02 16:56:01.720 INFO kablam!    = note: #[warn(non_snake_case)] on by default
Nov 02 16:56:01.720 INFO kablam! 
Nov 02 16:56:01.722 INFO kablam! warning: variable `myLine` should have a snake case name such as `my_line`
Nov 02 16:56:01.722 INFO kablam!   --> src/generics.rs:17:9
Nov 02 16:56:01.722 INFO kablam!    |
Nov 02 16:56:01.722 INFO kablam! 17 |     let myLine = Line { start: a, end: b };
Nov 02 16:56:01.722 INFO kablam!    |         ^^^^^^
Nov 02 16:56:01.722 INFO kablam! 
Nov 02 16:56:01.724 INFO kablam! warning: field is never used: `y`
Nov 02 16:56:01.724 INFO kablam!  --> src/stack_and_heap.rs:7:5
Nov 02 16:56:01.724 INFO kablam!   |
Nov 02 16:56:01.724 INFO kablam! 7 |     y: f64
Nov 02 16:56:01.724 INFO kablam!   |     ^^^^^^
Nov 02 16:56:01.724 INFO kablam!   |
Nov 02 16:56:01.724 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 02 16:56:01.724 INFO kablam! 
Nov 02 16:56:01.724 INFO kablam! warning: variant is never constructed: `Red`
Nov 02 16:56:01.724 INFO kablam!   --> src/data_structures_1.rs:28:5
Nov 02 16:56:01.724 INFO kablam!    |
Nov 02 16:56:01.724 INFO kablam! 28 |     Red, // "memberless struct"
Nov 02 16:56:01.724 INFO kablam!    |     ^^^
Nov 02 16:56:01.724 INFO kablam! 
Nov 02 16:56:01.724 INFO kablam! warning: variant is never constructed: `Green`
Nov 02 16:56:01.724 INFO kablam!   --> src/data_structures_1.rs:29:5
Nov 02 16:56:01.724 INFO kablam!    |
Nov 02 16:56:01.724 INFO kablam! 29 |     Green, // "memberless struct"
Nov 02 16:56:01.724 INFO kablam!    |     ^^^^^
Nov 02 16:56:01.724 INFO kablam! 
Nov 02 16:56:01.724 INFO kablam! warning: variant is never constructed: `Blue`
Nov 02 16:56:01.724 INFO kablam!   --> src/data_structures_1.rs:30:5
Nov 02 16:56:01.725 INFO kablam!    |
Nov 02 16:56:01.725 INFO kablam! 30 |     Blue, // etc...
Nov 02 16:56:01.725 INFO kablam!    |     ^^^^
Nov 02 16:56:01.725 INFO kablam! 
Nov 02 16:56:01.725 INFO kablam! warning: variant is never constructed: `RGBColor`
Nov 02 16:56:01.725 INFO kablam!   --> src/data_structures_1.rs:31:5
Nov 02 16:56:01.725 INFO kablam!    |
Nov 02 16:56:01.725 INFO kablam! 31 |     RGBColor(u8, u8, u8), // tuple
Nov 02 16:56:01.725 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Nov 02 16:56:01.725 INFO kablam! 
Nov 02 16:56:01.725 INFO kablam! warning: field is never used: `cyan`
Nov 02 16:56:01.725 INFO kablam!   --> src/data_structures_1.rs:32:15
Nov 02 16:56:01.725 INFO kablam!    |
Nov 02 16:56:01.725 INFO kablam! 32 |     CmykColor{cyan:u8, magenta:u8, yellow:u8, black:u8}, // struct
Nov 02 16:56:01.725 INFO kablam!    |               ^^^^^^^
Nov 02 16:56:01.725 INFO kablam! 
Nov 02 16:56:01.725 INFO kablam! warning: field is never used: `magenta`
Nov 02 16:56:01.725 INFO kablam!   --> src/data_structures_1.rs:32:24
Nov 02 16:56:01.725 INFO kablam!    |
Nov 02 16:56:01.725 INFO kablam! 32 |     CmykColor{cyan:u8, magenta:u8, yellow:u8, black:u8}, // struct
Nov 02 16:56:01.725 INFO kablam!    |                        ^^^^^^^^^^
Nov 02 16:56:01.725 INFO kablam! 
Nov 02 16:56:01.725 INFO kablam! warning: field is never used: `yellow`
Nov 02 16:56:01.725 INFO kablam!   --> src/data_structures_1.rs:32:36
Nov 02 16:56:01.725 INFO kablam!    |
Nov 02 16:56:01.725 INFO kablam! 32 |     CmykColor{cyan:u8, magenta:u8, yellow:u8, black:u8}, // struct
Nov 02 16:56:01.725 INFO kablam!    |                                    ^^^^^^^^^
Nov 02 16:56:01.725 INFO kablam! 
Nov 02 16:56:01.725 INFO kablam! warning: field is never used: `start`
Nov 02 16:56:01.725 INFO kablam!  --> src/generics.rs:7:5
Nov 02 16:56:01.725 INFO kablam!   |
Nov 02 16:56:01.725 INFO kablam! 7 |     start: Point<T>,
Nov 02 16:56:01.725 INFO kablam!   |     ^^^^^^^^^^^^^^^
Nov 02 16:56:01.725 INFO kablam! 
Nov 02 16:56:01.725 INFO kablam! warning: field is never used: `end`
Nov 02 16:56:01.725 INFO kablam!  --> src/generics.rs:8:5
Nov 02 16:56:01.725 INFO kablam!   |
Nov 02 16:56:01.725 INFO kablam! 8 |     end: Point<T>,
Nov 02 16:56:01.725 INFO kablam!   |     ^^^^^^^^^^^^^
Nov 02 16:56:01.725 INFO kablam! 
Nov 02 16:56:01.740 INFO kablam! warning: variable `myLine` should have a snake case name such as `my_line`
Nov 02 16:56:01.740 INFO kablam!   --> src/data_structures_1.rs:21:9
Nov 02 16:56:01.740 INFO kablam!    |
Nov 02 16:56:01.740 INFO kablam! 21 |     let myLine = Line { start: p, end: p2 };
Nov 02 16:56:01.740 INFO kablam!    |         ^^^^^^
Nov 02 16:56:01.740 INFO kablam!    |
Nov 02 16:56:01.740 INFO kablam!    = note: #[warn(non_snake_case)] on by default
Nov 02 16:56:01.740 INFO kablam! 
Nov 02 16:56:01.740 INFO kablam! warning: variable `myLine` should have a snake case name such as `my_line`
Nov 02 16:56:01.740 INFO kablam!   --> src/generics.rs:17:9
Nov 02 16:56:01.740 INFO kablam!    |
Nov 02 16:56:01.740 INFO kablam! 17 |     let myLine = Line { start: a, end: b };
Nov 02 16:56:01.740 INFO kablam!    |         ^^^^^^
Nov 02 16:56:01.740 INFO kablam! 
Nov 02 16:56:01.797 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
Nov 02 16:56:01.804 INFO kablam! su: No module specific data is present
Nov 02 16:56:02.692 INFO running `"docker" "rm" "-f" "3c8f8ba4c62a21706251980cb95fef3c69eafb718574d545c4edb32c53cfd92c"`
Nov 02 16:56:02.968 INFO blam! 3c8f8ba4c62a21706251980cb95fef3c69eafb718574d545c4edb32c53cfd92c