Oct 21 19:05:27.459 INFO checking caporta/rust_fundamentals against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192
Oct 21 19:05:27.461 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192/worker-2/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-2/pr-55192/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/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 +155510e377ae2a8d8ee0dad1a5f809c9062a5526-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 21 19:05:27.967 INFO blam! df5f99d5650ff25230e3ad37ac2b1187452a93bf90c805631aa97ebba500f25e
Oct 21 19:05:27.968 INFO running `"docker" "start" "-a" "df5f99d5650ff25230e3ad37ac2b1187452a93bf90c805631aa97ebba500f25e"`
Oct 21 19:05:29.132 INFO kablam! usermod: no changes
Oct 21 19:05:29.236 INFO kablam!     Checking hello_world v0.0.1 (/source)
Oct 21 19:05:29.388 INFO kablam! warning: unknown lint: `unused_variable`
Oct 21 19:05:29.388 INFO kablam!  --> src/stack_and_heap.rs:2:9
Oct 21 19:05:29.388 INFO kablam!   |
Oct 21 19:05:29.388 INFO kablam! 2 | #[allow(unused_variable)]
Oct 21 19:05:29.388 INFO kablam!   |         ^^^^^^^^^^^^^^^
Oct 21 19:05:29.388 INFO kablam!   |
Oct 21 19:05:29.388 INFO kablam!   = note: #[warn(unknown_lints)] on by default
Oct 21 19:05:29.388 INFO kablam! 
Oct 21 19:05:29.400 INFO kablam! warning: unknown lint: `unused_variable`
Oct 21 19:05:29.400 INFO kablam!  --> src/stack_and_heap.rs:2:9
Oct 21 19:05:29.400 INFO kablam!   |
Oct 21 19:05:29.400 INFO kablam! 2 | #[allow(unused_variable)]
Oct 21 19:05:29.400 INFO kablam!   |         ^^^^^^^^^^^^^^^
Oct 21 19:05:29.400 INFO kablam!   |
Oct 21 19:05:29.400 INFO kablam!   = note: #[warn(unknown_lints)] on by default
Oct 21 19:05:29.400 INFO kablam! 
Oct 21 19:05:30.436 INFO kablam! warning: unused variable: `x`
Oct 21 19:05:30.437 INFO kablam!   --> src/stack_and_heap.rs:15:9
Oct 21 19:05:30.437 INFO kablam!    |
Oct 21 19:05:30.437 INFO kablam! 15 |     let x = 5; // i32 stored on the stack
Oct 21 19:05:30.438 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 21 19:05:30.438 INFO kablam!    |
Oct 21 19:05:30.438 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 21 19:05:30.438 INFO kablam! 
Oct 21 19:05:30.439 INFO kablam! warning: unused variable: `u`
Oct 21 19:05:30.439 INFO kablam!   --> src/data_structures_2.rs:43:9
Oct 21 19:05:30.439 INFO kablam!    |
Oct 21 19:05:30.439 INFO kablam! 43 |     let u:&str = &letters; // d-ref conversions
Oct 21 19:05:30.440 INFO kablam!    |         ^ help: consider using `_u` instead
Oct 21 19:05:30.440 INFO kablam! 
Oct 21 19:05:30.440 INFO kablam! warning: unused variable: `z`
Oct 21 19:05:30.441 INFO kablam!  --> src/pattern_matching.rs:5:9
Oct 21 19:05:30.441 INFO kablam!   |
Oct 21 19:05:30.441 INFO kablam! 5 |         z @ 9...11 => "lots of", //assign range to variable
Oct 21 19:05:30.441 INFO kablam!   |         ^ help: consider using `_z` instead
Oct 21 19:05:30.442 INFO kablam! 
Oct 21 19:05:30.442 INFO kablam! warning: unused variable: `myLine`
Oct 21 19:05:30.442 INFO kablam!   --> src/generics.rs:17:9
Oct 21 19:05:30.443 INFO kablam!    |
Oct 21 19:05:30.443 INFO kablam! 17 |     let myLine = Line { start: a, end: b };
Oct 21 19:05:30.443 INFO kablam!    |         ^^^^^^ help: consider using `_myLine` instead
Oct 21 19:05:30.443 INFO kablam! 
Oct 21 19:05:30.506 INFO kablam! warning: field is never used: `y`
Oct 21 19:05:30.507 INFO kablam!  --> src/stack_and_heap.rs:7:5
Oct 21 19:05:30.507 INFO kablam!   |
Oct 21 19:05:30.507 INFO kablam! 7 |     y: f64
Oct 21 19:05:30.507 INFO kablam!   |     ^^^^^^
Oct 21 19:05:30.507 INFO kablam!   |
Oct 21 19:05:30.507 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 21 19:05:30.507 INFO kablam! 
Oct 21 19:05:30.510 INFO kablam! warning: variant is never constructed: `Red`
Oct 21 19:05:30.510 INFO kablam!   --> src/data_structures_1.rs:28:5
Oct 21 19:05:30.510 INFO kablam!    |
Oct 21 19:05:30.510 INFO kablam! 28 |     Red, // "memberless struct"
Oct 21 19:05:30.510 INFO kablam!    |     ^^^
Oct 21 19:05:30.510 INFO kablam! 
Oct 21 19:05:30.510 INFO kablam! warning: variant is never constructed: `Green`
Oct 21 19:05:30.510 INFO kablam!   --> src/data_structures_1.rs:29:5
Oct 21 19:05:30.510 INFO kablam!    |
Oct 21 19:05:30.510 INFO kablam! 29 |     Green, // "memberless struct"
Oct 21 19:05:30.510 INFO kablam!    |     ^^^^^
Oct 21 19:05:30.510 INFO kablam! 
Oct 21 19:05:30.510 INFO kablam! warning: variant is never constructed: `Blue`
Oct 21 19:05:30.510 INFO kablam!   --> src/data_structures_1.rs:30:5
Oct 21 19:05:30.510 INFO kablam!    |
Oct 21 19:05:30.510 INFO kablam! 30 |     Blue, // etc...
Oct 21 19:05:30.510 INFO kablam!    |     ^^^^
Oct 21 19:05:30.510 INFO kablam! 
Oct 21 19:05:30.510 INFO kablam! warning: variant is never constructed: `RGBColor`
Oct 21 19:05:30.510 INFO kablam!   --> src/data_structures_1.rs:31:5
Oct 21 19:05:30.510 INFO kablam!    |
Oct 21 19:05:30.510 INFO kablam! 31 |     RGBColor(u8, u8, u8), // tuple
Oct 21 19:05:30.510 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Oct 21 19:05:30.510 INFO kablam! 
Oct 21 19:05:30.510 INFO kablam! warning: field is never used: `cyan`
Oct 21 19:05:30.510 INFO kablam!   --> src/data_structures_1.rs:32:15
Oct 21 19:05:30.510 INFO kablam!    |
Oct 21 19:05:30.510 INFO kablam! 32 |     CmykColor{cyan:u8, magenta:u8, yellow:u8, black:u8}, // struct
Oct 21 19:05:30.510 INFO kablam!    |               ^^^^^^^
Oct 21 19:05:30.510 INFO kablam! 
Oct 21 19:05:30.510 INFO kablam! warning: field is never used: `magenta`
Oct 21 19:05:30.510 INFO kablam!   --> src/data_structures_1.rs:32:24
Oct 21 19:05:30.510 INFO kablam!    |
Oct 21 19:05:30.510 INFO kablam! 32 |     CmykColor{cyan:u8, magenta:u8, yellow:u8, black:u8}, // struct
Oct 21 19:05:30.510 INFO kablam!    |                        ^^^^^^^^^^
Oct 21 19:05:30.510 INFO kablam! 
Oct 21 19:05:30.510 INFO kablam! warning: field is never used: `yellow`
Oct 21 19:05:30.510 INFO kablam!   --> src/data_structures_1.rs:32:36
Oct 21 19:05:30.510 INFO kablam!    |
Oct 21 19:05:30.510 INFO kablam! 32 |     CmykColor{cyan:u8, magenta:u8, yellow:u8, black:u8}, // struct
Oct 21 19:05:30.510 INFO kablam!    |                                    ^^^^^^^^^
Oct 21 19:05:30.510 INFO kablam! 
Oct 21 19:05:30.510 INFO kablam! warning: field is never used: `start`
Oct 21 19:05:30.510 INFO kablam!  --> src/generics.rs:7:5
Oct 21 19:05:30.510 INFO kablam!   |
Oct 21 19:05:30.510 INFO kablam! 7 |     start: Point<T>,
Oct 21 19:05:30.510 INFO kablam!   |     ^^^^^^^^^^^^^^^
Oct 21 19:05:30.510 INFO kablam! 
Oct 21 19:05:30.510 INFO kablam! warning: field is never used: `end`
Oct 21 19:05:30.510 INFO kablam!  --> src/generics.rs:8:5
Oct 21 19:05:30.510 INFO kablam!   |
Oct 21 19:05:30.510 INFO kablam! 8 |     end: Point<T>,
Oct 21 19:05:30.510 INFO kablam!   |     ^^^^^^^^^^^^^
Oct 21 19:05:30.510 INFO kablam! 
Oct 21 19:05:30.521 INFO kablam! warning: variable `myLine` should have a snake case name such as `my_line`
Oct 21 19:05:30.522 INFO kablam!   --> src/data_structures_1.rs:21:9
Oct 21 19:05:30.522 INFO kablam!    |
Oct 21 19:05:30.522 INFO kablam! 21 |     let myLine = Line { start: p, end: p2 };
Oct 21 19:05:30.522 INFO kablam!    |         ^^^^^^
Oct 21 19:05:30.522 INFO kablam!    |
Oct 21 19:05:30.522 INFO kablam!    = note: #[warn(non_snake_case)] on by default
Oct 21 19:05:30.522 INFO kablam! 
Oct 21 19:05:30.524 INFO kablam! warning: variable `myLine` should have a snake case name such as `my_line`
Oct 21 19:05:30.524 INFO kablam!   --> src/generics.rs:17:9
Oct 21 19:05:30.524 INFO kablam!    |
Oct 21 19:05:30.525 INFO kablam! 17 |     let myLine = Line { start: a, end: b };
Oct 21 19:05:30.525 INFO kablam!    |         ^^^^^^
Oct 21 19:05:30.525 INFO kablam! 
Oct 21 19:05:30.665 INFO kablam! warning: unused variable: `x`
Oct 21 19:05:30.665 INFO kablam!   --> src/stack_and_heap.rs:15:9
Oct 21 19:05:30.665 INFO kablam!    |
Oct 21 19:05:30.665 INFO kablam! 15 |     let x = 5; // i32 stored on the stack
Oct 21 19:05:30.665 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 21 19:05:30.666 INFO kablam!    |
Oct 21 19:05:30.666 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 21 19:05:30.666 INFO kablam! 
Oct 21 19:05:30.666 INFO kablam! warning: unused variable: `u`
Oct 21 19:05:30.666 INFO kablam!   --> src/data_structures_2.rs:43:9
Oct 21 19:05:30.666 INFO kablam!    |
Oct 21 19:05:30.666 INFO kablam! 43 |     let u:&str = &letters; // d-ref conversions
Oct 21 19:05:30.666 INFO kablam!    |         ^ help: consider using `_u` instead
Oct 21 19:05:30.667 INFO kablam! 
Oct 21 19:05:30.667 INFO kablam! warning: unused variable: `z`
Oct 21 19:05:30.667 INFO kablam!  --> src/pattern_matching.rs:5:9
Oct 21 19:05:30.667 INFO kablam!   |
Oct 21 19:05:30.667 INFO kablam! 5 |         z @ 9...11 => "lots of", //assign range to variable
Oct 21 19:05:30.667 INFO kablam!   |         ^ help: consider using `_z` instead
Oct 21 19:05:30.668 INFO kablam! 
Oct 21 19:05:30.668 INFO kablam! warning: unused variable: `myLine`
Oct 21 19:05:30.668 INFO kablam!   --> src/generics.rs:17:9
Oct 21 19:05:30.668 INFO kablam!    |
Oct 21 19:05:30.668 INFO kablam! 17 |     let myLine = Line { start: a, end: b };
Oct 21 19:05:30.668 INFO kablam!    |         ^^^^^^ help: consider using `_myLine` instead
Oct 21 19:05:30.669 INFO kablam! 
Oct 21 19:05:30.778 INFO kablam! warning: field is never used: `y`
Oct 21 19:05:30.778 INFO kablam!  --> src/stack_and_heap.rs:7:5
Oct 21 19:05:30.778 INFO kablam!   |
Oct 21 19:05:30.778 INFO kablam! 7 |     y: f64
Oct 21 19:05:30.778 INFO kablam!   |     ^^^^^^
Oct 21 19:05:30.778 INFO kablam!   |
Oct 21 19:05:30.778 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 21 19:05:30.778 INFO kablam! 
Oct 21 19:05:30.778 INFO kablam! warning: variant is never constructed: `Red`
Oct 21 19:05:30.778 INFO kablam!   --> src/data_structures_1.rs:28:5
Oct 21 19:05:30.778 INFO kablam!    |
Oct 21 19:05:30.780 INFO kablam! 28 |     Red, // "memberless struct"
Oct 21 19:05:30.781 INFO kablam!    |     ^^^
Oct 21 19:05:30.781 INFO kablam! 
Oct 21 19:05:30.781 INFO kablam! warning: variant is never constructed: `Green`
Oct 21 19:05:30.781 INFO kablam!   --> src/data_structures_1.rs:29:5
Oct 21 19:05:30.781 INFO kablam!    |
Oct 21 19:05:30.782 INFO kablam! 29 |     Green, // "memberless struct"
Oct 21 19:05:30.782 INFO kablam!    |     ^^^^^
Oct 21 19:05:30.782 INFO kablam! 
Oct 21 19:05:30.782 INFO kablam! warning: variant is never constructed: `Blue`
Oct 21 19:05:30.782 INFO kablam!   --> src/data_structures_1.rs:30:5
Oct 21 19:05:30.783 INFO kablam!    |
Oct 21 19:05:30.783 INFO kablam! 30 |     Blue, // etc...
Oct 21 19:05:30.783 INFO kablam!    |     ^^^^
Oct 21 19:05:30.783 INFO kablam! 
Oct 21 19:05:30.783 INFO kablam! warning: variant is never constructed: `RGBColor`
Oct 21 19:05:30.783 INFO kablam!   --> src/data_structures_1.rs:31:5
Oct 21 19:05:30.784 INFO kablam!    |
Oct 21 19:05:30.784 INFO kablam! 31 |     RGBColor(u8, u8, u8), // tuple
Oct 21 19:05:30.785 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Oct 21 19:05:30.785 INFO kablam! 
Oct 21 19:05:30.785 INFO kablam! warning: field is never used: `cyan`
Oct 21 19:05:30.785 INFO kablam!   --> src/data_structures_1.rs:32:15
Oct 21 19:05:30.785 INFO kablam!    |
Oct 21 19:05:30.786 INFO kablam! 32 |     CmykColor{cyan:u8, magenta:u8, yellow:u8, black:u8}, // struct
Oct 21 19:05:30.786 INFO kablam!    |               ^^^^^^^
Oct 21 19:05:30.786 INFO kablam! 
Oct 21 19:05:30.786 INFO kablam! warning: field is never used: `magenta`
Oct 21 19:05:30.786 INFO kablam!   --> src/data_structures_1.rs:32:24
Oct 21 19:05:30.786 INFO kablam!    |
Oct 21 19:05:30.787 INFO kablam! 32 |     CmykColor{cyan:u8, magenta:u8, yellow:u8, black:u8}, // struct
Oct 21 19:05:30.787 INFO kablam!    |                        ^^^^^^^^^^
Oct 21 19:05:30.787 INFO kablam! 
Oct 21 19:05:30.787 INFO kablam! warning: field is never used: `yellow`
Oct 21 19:05:30.787 INFO kablam!   --> src/data_structures_1.rs:32:36
Oct 21 19:05:30.788 INFO kablam!    |
Oct 21 19:05:30.788 INFO kablam! 32 |     CmykColor{cyan:u8, magenta:u8, yellow:u8, black:u8}, // struct
Oct 21 19:05:30.793 INFO kablam!    |                                    ^^^^^^^^^
Oct 21 19:05:30.793 INFO kablam! 
Oct 21 19:05:30.794 INFO kablam! warning: field is never used: `start`
Oct 21 19:05:30.794 INFO kablam!  --> src/generics.rs:7:5
Oct 21 19:05:30.794 INFO kablam!   |
Oct 21 19:05:30.794 INFO kablam! 7 |     start: Point<T>,
Oct 21 19:05:30.794 INFO kablam!   |     ^^^^^^^^^^^^^^^
Oct 21 19:05:30.794 INFO kablam! 
Oct 21 19:05:30.794 INFO kablam! warning: field is never used: `end`
Oct 21 19:05:30.795 INFO kablam!  --> src/generics.rs:8:5
Oct 21 19:05:30.795 INFO kablam!   |
Oct 21 19:05:30.795 INFO kablam! 8 |     end: Point<T>,
Oct 21 19:05:30.795 INFO kablam!   |     ^^^^^^^^^^^^^
Oct 21 19:05:30.795 INFO kablam! 
Oct 21 19:05:30.795 INFO kablam! warning: variable `myLine` should have a snake case name such as `my_line`
Oct 21 19:05:30.795 INFO kablam!   --> src/data_structures_1.rs:21:9
Oct 21 19:05:30.795 INFO kablam!    |
Oct 21 19:05:30.796 INFO kablam! 21 |     let myLine = Line { start: p, end: p2 };
Oct 21 19:05:30.796 INFO kablam!    |         ^^^^^^
Oct 21 19:05:30.796 INFO kablam!    |
Oct 21 19:05:30.796 INFO kablam!    = note: #[warn(non_snake_case)] on by default
Oct 21 19:05:30.796 INFO kablam! 
Oct 21 19:05:30.796 INFO kablam! warning: variable `myLine` should have a snake case name such as `my_line`
Oct 21 19:05:30.796 INFO kablam!   --> src/generics.rs:17:9
Oct 21 19:05:30.796 INFO kablam!    |
Oct 21 19:05:30.797 INFO kablam! 17 |     let myLine = Line { start: a, end: b };
Oct 21 19:05:30.797 INFO kablam!    |         ^^^^^^
Oct 21 19:05:30.797 INFO kablam! 
Oct 21 19:05:30.821 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.65s
Oct 21 19:05:30.840 INFO kablam! su: No module specific data is present
Oct 21 19:05:31.540 INFO running `"docker" "rm" "-f" "df5f99d5650ff25230e3ad37ac2b1187452a93bf90c805631aa97ebba500f25e"`
Oct 21 19:05:31.748 INFO blam! df5f99d5650ff25230e3ad37ac2b1187452a93bf90c805631aa97ebba500f25e