Nov 03 21:17:04.368 INFO checking tperdue321/rust_basics against try#e740b9aa0b624fa39feb39613e76d15bdf57e594 for pr-55655
Nov 03 21:17:04.368 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-3/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55655/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/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 +e740b9aa0b624fa39feb39613e76d15bdf57e594-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 03 21:17:04.751 INFO blam! 25d30c4df0b55e9d752efa4168b49725d8ce3fafc53a62f899765e453b5c132e
Nov 03 21:17:04.770 INFO running `"docker" "start" "-a" "25d30c4df0b55e9d752efa4168b49725d8ce3fafc53a62f899765e453b5c132e"`
Nov 03 21:17:06.013 INFO kablam! usermod: no changes
Nov 03 21:17:06.063 INFO kablam!     Checking basics v0.1.0 (/source)
Nov 03 21:17:06.421 INFO kablam! warning: unused variable: `a`
Nov 03 21:17:06.421 INFO kablam!  --> src/main.rs:9:9
Nov 03 21:17:06.422 INFO kablam!   |
Nov 03 21:17:06.422 INFO kablam! 9 |     let a: i32 = 1;
Nov 03 21:17:06.422 INFO kablam!   |         ^ help: consider using `_a` instead
Nov 03 21:17:06.423 INFO kablam!   |
Nov 03 21:17:06.423 INFO kablam!   = note: #[warn(unused_variables)] on by default
Nov 03 21:17:06.424 INFO kablam! 
Nov 03 21:17:06.424 INFO kablam! warning: variable `b` is assigned to, but never used
Nov 03 21:17:06.426 INFO kablam!   --> src/main.rs:14:13
Nov 03 21:17:06.429 INFO kablam!    |
Nov 03 21:17:06.429 INFO kablam! 14 |     let mut b: i32 = 15;
Nov 03 21:17:06.430 INFO kablam!    |             ^
Nov 03 21:17:06.430 INFO kablam!    |
Nov 03 21:17:06.430 INFO kablam!    = note: consider using `_b` instead
Nov 03 21:17:06.431 INFO kablam! 
Nov 03 21:17:06.431 INFO kablam! warning: value assigned to `b` is never read
Nov 03 21:17:06.431 INFO kablam!   --> src/main.rs:15:5
Nov 03 21:17:06.431 INFO kablam!    |
Nov 03 21:17:06.431 INFO kablam! 15 |     b = 25;
Nov 03 21:17:06.432 INFO kablam!    |     ^
Nov 03 21:17:06.432 INFO kablam!    |
Nov 03 21:17:06.432 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Nov 03 21:17:06.432 INFO kablam! 
Nov 03 21:17:06.433 INFO kablam! warning: unused variable: `x`
Nov 03 21:17:06.433 INFO kablam!   --> src/main.rs:17:9
Nov 03 21:17:06.433 INFO kablam!    |
Nov 03 21:17:06.433 INFO kablam! 17 |     let x: i32; // bindings need to be given a starting val. this is bad
Nov 03 21:17:06.434 INFO kablam!    |         ^ help: consider using `_x` instead
Nov 03 21:17:06.434 INFO kablam! 
Nov 03 21:17:06.434 INFO kablam! warning: value assigned to `x` is never read
Nov 03 21:17:06.434 INFO kablam!   --> src/main.rs:38:13
Nov 03 21:17:06.435 INFO kablam!    |
Nov 03 21:17:06.435 INFO kablam! 38 |     let mut x: i32 = 1;
Nov 03 21:17:06.435 INFO kablam!    |             ^
Nov 03 21:17:06.435 INFO kablam! 
Nov 03 21:17:06.436 INFO kablam! warning: unused variable: `y`
Nov 03 21:17:06.436 INFO kablam!   --> src/main.rs:42:9
Nov 03 21:17:06.436 INFO kablam!    |
Nov 03 21:17:06.436 INFO kablam! 42 |     let y = 4;
Nov 03 21:17:06.437 INFO kablam!    |         ^ help: consider using `_y` instead
Nov 03 21:17:06.437 INFO kablam! 
Nov 03 21:17:06.437 INFO kablam! warning: unused variable: `y`
Nov 03 21:17:06.437 INFO kablam!   --> src/main.rs:45:9
Nov 03 21:17:06.438 INFO kablam!    |
Nov 03 21:17:06.438 INFO kablam! 45 |     let y = "I can also be bound to text!"; // `y` is now of a different type.
Nov 03 21:17:06.438 INFO kablam!    |         ^ help: consider using `_y` instead
Nov 03 21:17:06.438 INFO kablam! 
Nov 03 21:17:06.439 INFO kablam! warning: unused variable: `x`
Nov 03 21:17:06.439 INFO kablam!   --> src/main.rs:60:9
Nov 03 21:17:06.439 INFO kablam!    |
Nov 03 21:17:06.439 INFO kablam! 60 |     let x = return_int_plus_1(1);
Nov 03 21:17:06.439 INFO kablam!    |         ^ help: consider using `_x` instead
Nov 03 21:17:06.440 INFO kablam! 
Nov 03 21:17:06.440 INFO kablam! warning: function is never used: `diverges`
Nov 03 21:17:06.440 INFO kablam!   --> src/main.rs:93:1
Nov 03 21:17:06.440 INFO kablam!    |
Nov 03 21:17:06.440 INFO kablam! 93 | fn diverges() -> ! {
Nov 03 21:17:06.441 INFO kablam!    | ^^^^^^^^^^^^^^^^^^
Nov 03 21:17:06.441 INFO kablam!    |
Nov 03 21:17:06.441 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 03 21:17:06.441 INFO kablam! 
Nov 03 21:17:06.459 INFO kablam! warning: unused variable: `a`
Nov 03 21:17:06.459 INFO kablam!  --> src/main.rs:9:9
Nov 03 21:17:06.459 INFO kablam!   |
Nov 03 21:17:06.459 INFO kablam! 9 |     let a: i32 = 1;
Nov 03 21:17:06.459 INFO kablam!   |         ^ help: consider using `_a` instead
Nov 03 21:17:06.459 INFO kablam!   |
Nov 03 21:17:06.459 INFO kablam!   = note: #[warn(unused_variables)] on by default
Nov 03 21:17:06.459 INFO kablam! 
Nov 03 21:17:06.459 INFO kablam! warning: variable `b` is assigned to, but never used
Nov 03 21:17:06.459 INFO kablam!   --> src/main.rs:14:13
Nov 03 21:17:06.459 INFO kablam!    |
Nov 03 21:17:06.459 INFO kablam! 14 |     let mut b: i32 = 15;
Nov 03 21:17:06.459 INFO kablam!    |             ^
Nov 03 21:17:06.459 INFO kablam!    |
Nov 03 21:17:06.459 INFO kablam!    = note: consider using `_b` instead
Nov 03 21:17:06.459 INFO kablam! 
Nov 03 21:17:06.459 INFO kablam! warning: value assigned to `b` is never read
Nov 03 21:17:06.459 INFO kablam!   --> src/main.rs:15:5
Nov 03 21:17:06.459 INFO kablam!    |
Nov 03 21:17:06.459 INFO kablam! 15 |     b = 25;
Nov 03 21:17:06.459 INFO kablam!    |     ^
Nov 03 21:17:06.459 INFO kablam!    |
Nov 03 21:17:06.459 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Nov 03 21:17:06.459 INFO kablam! 
Nov 03 21:17:06.459 INFO kablam! warning: unused variable: `x`
Nov 03 21:17:06.459 INFO kablam!   --> src/main.rs:17:9
Nov 03 21:17:06.459 INFO kablam!    |
Nov 03 21:17:06.459 INFO kablam! 17 |     let x: i32; // bindings need to be given a starting val. this is bad
Nov 03 21:17:06.459 INFO kablam!    |         ^ help: consider using `_x` instead
Nov 03 21:17:06.459 INFO kablam! 
Nov 03 21:17:06.459 INFO kablam! warning: value assigned to `x` is never read
Nov 03 21:17:06.459 INFO kablam!   --> src/main.rs:38:13
Nov 03 21:17:06.459 INFO kablam!    |
Nov 03 21:17:06.459 INFO kablam! 38 |     let mut x: i32 = 1;
Nov 03 21:17:06.459 INFO kablam!    |             ^
Nov 03 21:17:06.459 INFO kablam! 
Nov 03 21:17:06.459 INFO kablam! warning: unused variable: `y`
Nov 03 21:17:06.459 INFO kablam!   --> src/main.rs:42:9
Nov 03 21:17:06.459 INFO kablam!    |
Nov 03 21:17:06.459 INFO kablam! 42 |     let y = 4;
Nov 03 21:17:06.459 INFO kablam!    |         ^ help: consider using `_y` instead
Nov 03 21:17:06.459 INFO kablam! 
Nov 03 21:17:06.459 INFO kablam! warning: unused variable: `y`
Nov 03 21:17:06.459 INFO kablam!   --> src/main.rs:45:9
Nov 03 21:17:06.459 INFO kablam!    |
Nov 03 21:17:06.459 INFO kablam! 45 |     let y = "I can also be bound to text!"; // `y` is now of a different type.
Nov 03 21:17:06.460 INFO kablam!    |         ^ help: consider using `_y` instead
Nov 03 21:17:06.460 INFO kablam! 
Nov 03 21:17:06.460 INFO kablam! warning: unused variable: `x`
Nov 03 21:17:06.460 INFO kablam!   --> src/main.rs:60:9
Nov 03 21:17:06.460 INFO kablam!    |
Nov 03 21:17:06.460 INFO kablam! 60 |     let x = return_int_plus_1(1);
Nov 03 21:17:06.460 INFO kablam!    |         ^ help: consider using `_x` instead
Nov 03 21:17:06.460 INFO kablam! 
Nov 03 21:17:06.469 INFO kablam! warning: function is never used: `diverges`
Nov 03 21:17:06.469 INFO kablam!   --> src/main.rs:93:1
Nov 03 21:17:06.469 INFO kablam!    |
Nov 03 21:17:06.469 INFO kablam! 93 | fn diverges() -> ! {
Nov 03 21:17:06.469 INFO kablam!    | ^^^^^^^^^^^^^^^^^^
Nov 03 21:17:06.469 INFO kablam!    |
Nov 03 21:17:06.469 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 03 21:17:06.469 INFO kablam! 
Nov 03 21:17:06.503 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
Nov 03 21:17:06.511 INFO kablam! su: No module specific data is present
Nov 03 21:17:07.243 INFO running `"docker" "rm" "-f" "25d30c4df0b55e9d752efa4168b49725d8ce3fafc53a62f899765e453b5c132e"`
Nov 03 21:17:07.575 INFO blam! 25d30c4df0b55e9d752efa4168b49725d8ce3fafc53a62f899765e453b5c132e