Oct 27 07:04:58.960 INFO checking caporta/rust_fundamentals against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 27 07:04:58.960 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-1/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/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 07:04:59.642 INFO blam! 3ae336c2e6b4db7884231187de37138766fd5ba0d950546716d45d3796cf9f73
Oct 27 07:04:59.645 INFO running `"docker" "start" "-a" "3ae336c2e6b4db7884231187de37138766fd5ba0d950546716d45d3796cf9f73"`
Oct 27 07:05:01.129 INFO kablam! usermod: no changes
Oct 27 07:05:01.185 INFO kablam!     Checking hello_world v0.0.1 (/source)
Oct 27 07:05:01.294 INFO kablam! warning: unknown lint: `unused_variable`
Oct 27 07:05:01.295 INFO kablam!  --> src/stack_and_heap.rs:2:9
Oct 27 07:05:01.295 INFO kablam!   |
Oct 27 07:05:01.295 INFO kablam! 2 | #[allow(unused_variable)]
Oct 27 07:05:01.295 INFO kablam!   |         ^^^^^^^^^^^^^^^
Oct 27 07:05:01.295 INFO kablam!   |
Oct 27 07:05:01.295 INFO kablam!   = note: #[warn(unknown_lints)] on by default
Oct 27 07:05:01.295 INFO kablam! 
Oct 27 07:05:01.360 INFO kablam! warning: unknown lint: `unused_variable`
Oct 27 07:05:01.360 INFO kablam!  --> src/stack_and_heap.rs:2:9
Oct 27 07:05:01.360 INFO kablam!   |
Oct 27 07:05:01.361 INFO kablam! 2 | #[allow(unused_variable)]
Oct 27 07:05:01.361 INFO kablam!   |         ^^^^^^^^^^^^^^^
Oct 27 07:05:01.361 INFO kablam!   |
Oct 27 07:05:01.361 INFO kablam!   = note: #[warn(unknown_lints)] on by default
Oct 27 07:05:01.361 INFO kablam! 
Oct 27 07:05:02.289 INFO kablam! warning: unused variable: `x`
Oct 27 07:05:02.290 INFO kablam!   --> src/stack_and_heap.rs:15:9
Oct 27 07:05:02.291 INFO kablam!    |
Oct 27 07:05:02.291 INFO kablam! 15 |     let x = 5; // i32 stored on the stack
Oct 27 07:05:02.292 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 27 07:05:02.293 INFO kablam!    |
Oct 27 07:05:02.293 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 27 07:05:02.294 INFO kablam! 
Oct 27 07:05:02.295 INFO kablam! warning: unused variable: `u`
Oct 27 07:05:02.295 INFO kablam!   --> src/data_structures_2.rs:43:9
Oct 27 07:05:02.296 INFO kablam!    |
Oct 27 07:05:02.296 INFO kablam! 43 |     let u:&str = &letters; // d-ref conversions
Oct 27 07:05:02.297 INFO kablam!    |         ^ help: consider using `_u` instead
Oct 27 07:05:02.297 INFO kablam! 
Oct 27 07:05:02.298 INFO kablam! warning: unused variable: `z`
Oct 27 07:05:02.299 INFO kablam!  --> src/pattern_matching.rs:5:9
Oct 27 07:05:02.299 INFO kablam!   |
Oct 27 07:05:02.300 INFO kablam! 5 |         z @ 9...11 => "lots of", //assign range to variable
Oct 27 07:05:02.300 INFO kablam!   |         ^ help: consider using `_z` instead
Oct 27 07:05:02.301 INFO kablam! 
Oct 27 07:05:02.302 INFO kablam! warning: unused variable: `myLine`
Oct 27 07:05:02.302 INFO kablam!   --> src/generics.rs:17:9
Oct 27 07:05:02.303 INFO kablam!    |
Oct 27 07:05:02.303 INFO kablam! 17 |     let myLine = Line { start: a, end: b };
Oct 27 07:05:02.304 INFO kablam!    |         ^^^^^^ help: consider using `_myLine` instead
Oct 27 07:05:02.305 INFO kablam! 
Oct 27 07:05:02.343 INFO kablam! warning: unused variable: `x`
Oct 27 07:05:02.344 INFO kablam!   --> src/stack_and_heap.rs:15:9
Oct 27 07:05:02.345 INFO kablam!    |
Oct 27 07:05:02.346 INFO kablam! 15 |     let x = 5; // i32 stored on the stack
Oct 27 07:05:02.346 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 27 07:05:02.347 INFO kablam!    |
Oct 27 07:05:02.347 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 27 07:05:02.348 INFO kablam! 
Oct 27 07:05:02.348 INFO kablam! warning: unused variable: `u`
Oct 27 07:05:02.349 INFO kablam!   --> src/data_structures_2.rs:43:9
Oct 27 07:05:02.350 INFO kablam!    |
Oct 27 07:05:02.350 INFO kablam! 43 |     let u:&str = &letters; // d-ref conversions
Oct 27 07:05:02.351 INFO kablam!    |         ^ help: consider using `_u` instead
Oct 27 07:05:02.351 INFO kablam! 
Oct 27 07:05:02.352 INFO kablam! warning: unused variable: `z`
Oct 27 07:05:02.353 INFO kablam!  --> src/pattern_matching.rs:5:9
Oct 27 07:05:02.353 INFO kablam!   |
Oct 27 07:05:02.354 INFO kablam! 5 |         z @ 9...11 => "lots of", //assign range to variable
Oct 27 07:05:02.354 INFO kablam!   |         ^ help: consider using `_z` instead
Oct 27 07:05:02.355 INFO kablam! 
Oct 27 07:05:02.355 INFO kablam! warning: unused variable: `myLine`
Oct 27 07:05:02.356 INFO kablam!   --> src/generics.rs:17:9
Oct 27 07:05:02.356 INFO kablam!    |
Oct 27 07:05:02.356 INFO kablam! 17 |     let myLine = Line { start: a, end: b };
Oct 27 07:05:02.356 INFO kablam!    |         ^^^^^^ help: consider using `_myLine` instead
Oct 27 07:05:02.356 INFO kablam! 
Oct 27 07:05:02.408 INFO kablam! warning: field is never used: `y`
Oct 27 07:05:02.409 INFO kablam!  --> src/stack_and_heap.rs:7:5
Oct 27 07:05:02.409 INFO kablam!   |
Oct 27 07:05:02.410 INFO kablam! 7 |     y: f64
Oct 27 07:05:02.410 INFO kablam!   |     ^^^^^^
Oct 27 07:05:02.411 INFO kablam!   |
Oct 27 07:05:02.412 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 27 07:05:02.412 INFO kablam! 
Oct 27 07:05:02.413 INFO kablam! warning: variant is never constructed: `Red`
Oct 27 07:05:02.413 INFO kablam!   --> src/data_structures_1.rs:28:5
Oct 27 07:05:02.414 INFO kablam!    |
Oct 27 07:05:02.414 INFO kablam! 28 |     Red, // "memberless struct"
Oct 27 07:05:02.415 INFO kablam!    |     ^^^
Oct 27 07:05:02.415 INFO kablam! 
Oct 27 07:05:02.416 INFO kablam! warning: variant is never constructed: `Green`
Oct 27 07:05:02.416 INFO kablam!   --> src/data_structures_1.rs:29:5
Oct 27 07:05:02.417 INFO kablam!    |
Oct 27 07:05:02.417 INFO kablam! 29 |     Green, // "memberless struct"
Oct 27 07:05:02.418 INFO kablam!    |     ^^^^^
Oct 27 07:05:02.418 INFO kablam! 
Oct 27 07:05:02.419 INFO kablam! warning: variant is never constructed: `Blue`
Oct 27 07:05:02.419 INFO kablam!   --> src/data_structures_1.rs:30:5
Oct 27 07:05:02.420 INFO kablam!    |
Oct 27 07:05:02.420 INFO kablam! 30 |     Blue, // etc...
Oct 27 07:05:02.421 INFO kablam!    |     ^^^^
Oct 27 07:05:02.421 INFO kablam! 
Oct 27 07:05:02.422 INFO kablam! warning: variant is never constructed: `RGBColor`
Oct 27 07:05:02.422 INFO kablam!   --> src/data_structures_1.rs:31:5
Oct 27 07:05:02.423 INFO kablam!    |
Oct 27 07:05:02.423 INFO kablam! 31 |     RGBColor(u8, u8, u8), // tuple
Oct 27 07:05:02.424 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Oct 27 07:05:02.424 INFO kablam! 
Oct 27 07:05:02.425 INFO kablam! warning: field is never used: `cyan`
Oct 27 07:05:02.425 INFO kablam!   --> src/data_structures_1.rs:32:15
Oct 27 07:05:02.426 INFO kablam!    |
Oct 27 07:05:02.426 INFO kablam! 32 |     CmykColor{cyan:u8, magenta:u8, yellow:u8, black:u8}, // struct
Oct 27 07:05:02.427 INFO kablam!    |               ^^^^^^^
Oct 27 07:05:02.427 INFO kablam! 
Oct 27 07:05:02.428 INFO kablam! warning: field is never used: `magenta`
Oct 27 07:05:02.428 INFO kablam!   --> src/data_structures_1.rs:32:24
Oct 27 07:05:02.429 INFO kablam!    |
Oct 27 07:05:02.429 INFO kablam! 32 |     CmykColor{cyan:u8, magenta:u8, yellow:u8, black:u8}, // struct
Oct 27 07:05:02.430 INFO kablam!    |                        ^^^^^^^^^^
Oct 27 07:05:02.430 INFO kablam! 
Oct 27 07:05:02.431 INFO kablam! warning: field is never used: `yellow`
Oct 27 07:05:02.431 INFO kablam!   --> src/data_structures_1.rs:32:36
Oct 27 07:05:02.431 INFO kablam!    |
Oct 27 07:05:02.431 INFO kablam! 32 |     CmykColor{cyan:u8, magenta:u8, yellow:u8, black:u8}, // struct
Oct 27 07:05:02.431 INFO kablam!    |                                    ^^^^^^^^^
Oct 27 07:05:02.432 INFO kablam! 
Oct 27 07:05:02.433 INFO kablam! warning: field is never used: `start`
Oct 27 07:05:02.433 INFO kablam!  --> src/generics.rs:7:5
Oct 27 07:05:02.434 INFO kablam!   |
Oct 27 07:05:02.434 INFO kablam! 7 |     start: Point<T>,
Oct 27 07:05:02.434 INFO kablam!   |     ^^^^^^^^^^^^^^^
Oct 27 07:05:02.435 INFO kablam! 
Oct 27 07:05:02.435 INFO kablam! warning: field is never used: `end`
Oct 27 07:05:02.435 INFO kablam!  --> src/generics.rs:8:5
Oct 27 07:05:02.435 INFO kablam!   |
Oct 27 07:05:02.435 INFO kablam! 8 |     end: Point<T>,
Oct 27 07:05:02.435 INFO kablam!   |     ^^^^^^^^^^^^^
Oct 27 07:05:02.438 INFO kablam! 
Oct 27 07:05:02.443 INFO kablam! warning: variable `myLine` should have a snake case name such as `my_line`
Oct 27 07:05:02.443 INFO kablam!   --> src/data_structures_1.rs:21:9
Oct 27 07:05:02.444 INFO kablam!    |
Oct 27 07:05:02.444 INFO kablam! 21 |     let myLine = Line { start: p, end: p2 };
Oct 27 07:05:02.445 INFO kablam!    |         ^^^^^^
Oct 27 07:05:02.445 INFO kablam!    |
Oct 27 07:05:02.446 INFO kablam!    = note: #[warn(non_snake_case)] on by default
Oct 27 07:05:02.446 INFO kablam! 
Oct 27 07:05:02.448 INFO kablam! warning: variable `myLine` should have a snake case name such as `my_line`
Oct 27 07:05:02.449 INFO kablam!   --> src/generics.rs:17:9
Oct 27 07:05:02.449 INFO kablam!    |
Oct 27 07:05:02.450 INFO kablam! 17 |     let myLine = Line { start: a, end: b };
Oct 27 07:05:02.450 INFO kablam!    |         ^^^^^^
Oct 27 07:05:02.455 INFO kablam! 
Oct 27 07:05:02.547 INFO kablam! warning: field is never used: `y`
Oct 27 07:05:02.548 INFO kablam!  --> src/stack_and_heap.rs:7:5
Oct 27 07:05:02.549 INFO kablam!   |
Oct 27 07:05:02.549 INFO kablam! 7 |     y: f64
Oct 27 07:05:02.550 INFO kablam!   |     ^^^^^^
Oct 27 07:05:02.550 INFO kablam!   |
Oct 27 07:05:02.551 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 27 07:05:02.551 INFO kablam! 
Oct 27 07:05:02.552 INFO kablam! warning: variant is never constructed: `Red`
Oct 27 07:05:02.552 INFO kablam!   --> src/data_structures_1.rs:28:5
Oct 27 07:05:02.553 INFO kablam!    |
Oct 27 07:05:02.553 INFO kablam! 28 |     Red, // "memberless struct"
Oct 27 07:05:02.554 INFO kablam!    |     ^^^
Oct 27 07:05:02.554 INFO kablam! 
Oct 27 07:05:02.555 INFO kablam! warning: variant is never constructed: `Green`
Oct 27 07:05:02.556 INFO kablam!   --> src/data_structures_1.rs:29:5
Oct 27 07:05:02.556 INFO kablam!    |
Oct 27 07:05:02.557 INFO kablam! 29 |     Green, // "memberless struct"
Oct 27 07:05:02.557 INFO kablam!    |     ^^^^^
Oct 27 07:05:02.558 INFO kablam! 
Oct 27 07:05:02.558 INFO kablam! warning: variant is never constructed: `Blue`
Oct 27 07:05:02.559 INFO kablam!   --> src/data_structures_1.rs:30:5
Oct 27 07:05:02.559 INFO kablam!    |
Oct 27 07:05:02.559 INFO kablam! 30 |     Blue, // etc...
Oct 27 07:05:02.559 INFO kablam!    |     ^^^^
Oct 27 07:05:02.559 INFO kablam! 
Oct 27 07:05:02.559 INFO kablam! warning: variant is never constructed: `RGBColor`
Oct 27 07:05:02.560 INFO kablam!   --> src/data_structures_1.rs:31:5
Oct 27 07:05:02.560 INFO kablam!    |
Oct 27 07:05:02.560 INFO kablam! 31 |     RGBColor(u8, u8, u8), // tuple
Oct 27 07:05:02.560 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^
Oct 27 07:05:02.560 INFO kablam! 
Oct 27 07:05:02.560 INFO kablam! warning: field is never used: `cyan`
Oct 27 07:05:02.560 INFO kablam!   --> src/data_structures_1.rs:32:15
Oct 27 07:05:02.561 INFO kablam!    |
Oct 27 07:05:02.561 INFO kablam! 32 |     CmykColor{cyan:u8, magenta:u8, yellow:u8, black:u8}, // struct
Oct 27 07:05:02.561 INFO kablam!    |               ^^^^^^^
Oct 27 07:05:02.561 INFO kablam! 
Oct 27 07:05:02.561 INFO kablam! warning: field is never used: `magenta`
Oct 27 07:05:02.561 INFO kablam!   --> src/data_structures_1.rs:32:24
Oct 27 07:05:02.561 INFO kablam!    |
Oct 27 07:05:02.563 INFO kablam! 32 |     CmykColor{cyan:u8, magenta:u8, yellow:u8, black:u8}, // struct
Oct 27 07:05:02.563 INFO kablam!    |                        ^^^^^^^^^^
Oct 27 07:05:02.563 INFO kablam! 
Oct 27 07:05:02.563 INFO kablam! warning: field is never used: `yellow`
Oct 27 07:05:02.563 INFO kablam!   --> src/data_structures_1.rs:32:36
Oct 27 07:05:02.563 INFO kablam!    |
Oct 27 07:05:02.563 INFO kablam! 32 |     CmykColor{cyan:u8, magenta:u8, yellow:u8, black:u8}, // struct
Oct 27 07:05:02.563 INFO kablam!    |                                    ^^^^^^^^^
Oct 27 07:05:02.563 INFO kablam! 
Oct 27 07:05:02.563 INFO kablam! warning: field is never used: `start`
Oct 27 07:05:02.563 INFO kablam!  --> src/generics.rs:7:5
Oct 27 07:05:02.563 INFO kablam!   |
Oct 27 07:05:02.563 INFO kablam! 7 |     start: Point<T>,
Oct 27 07:05:02.563 INFO kablam!   |     ^^^^^^^^^^^^^^^
Oct 27 07:05:02.563 INFO kablam! 
Oct 27 07:05:02.563 INFO kablam! warning: field is never used: `end`
Oct 27 07:05:02.563 INFO kablam!  --> src/generics.rs:8:5
Oct 27 07:05:02.563 INFO kablam!   |
Oct 27 07:05:02.563 INFO kablam! 8 |     end: Point<T>,
Oct 27 07:05:02.563 INFO kablam!   |     ^^^^^^^^^^^^^
Oct 27 07:05:02.563 INFO kablam! 
Oct 27 07:05:02.563 INFO kablam! warning: variable `myLine` should have a snake case name such as `my_line`
Oct 27 07:05:02.563 INFO kablam!   --> src/data_structures_1.rs:21:9
Oct 27 07:05:02.563 INFO kablam!    |
Oct 27 07:05:02.563 INFO kablam! 21 |     let myLine = Line { start: p, end: p2 };
Oct 27 07:05:02.563 INFO kablam!    |         ^^^^^^
Oct 27 07:05:02.563 INFO kablam!    |
Oct 27 07:05:02.563 INFO kablam!    = note: #[warn(non_snake_case)] on by default
Oct 27 07:05:02.563 INFO kablam! 
Oct 27 07:05:02.563 INFO kablam! warning: variable `myLine` should have a snake case name such as `my_line`
Oct 27 07:05:02.563 INFO kablam!   --> src/generics.rs:17:9
Oct 27 07:05:02.563 INFO kablam!    |
Oct 27 07:05:02.563 INFO kablam! 17 |     let myLine = Line { start: a, end: b };
Oct 27 07:05:02.563 INFO kablam!    |         ^^^^^^
Oct 27 07:05:02.563 INFO kablam! 
Oct 27 07:05:02.616 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.45s
Oct 27 07:05:02.620 INFO kablam! su: No module specific data is present
Oct 27 07:05:03.858 INFO running `"docker" "rm" "-f" "3ae336c2e6b4db7884231187de37138766fd5ba0d950546716d45d3796cf9f73"`
Oct 27 07:05:04.067 INFO blam! 3ae336c2e6b4db7884231187de37138766fd5ba0d950546716d45d3796cf9f73