Nov 02 04:44:28.061 INFO checking tperdue321/rust_basics against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 02 04:44:28.061 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-5/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 04:44:28.556 INFO blam! 84f2bbfaf78dbc9d6c72f60a5c807f07e88a698282504bec3aef2c6167da11af
Nov 02 04:44:28.559 INFO running `"docker" "start" "-a" "84f2bbfaf78dbc9d6c72f60a5c807f07e88a698282504bec3aef2c6167da11af"`
Nov 02 04:44:29.480 INFO kablam! usermod: no changes
Nov 02 04:44:29.527 INFO kablam!     Checking basics v0.1.0 (/source)
Nov 02 04:44:29.720 INFO kablam! warning: unused variable: `a`
Nov 02 04:44:29.720 INFO kablam!  --> src/main.rs:9:9
Nov 02 04:44:29.720 INFO kablam!   |
Nov 02 04:44:29.720 INFO kablam! 9 |     let a: i32 = 1;
Nov 02 04:44:29.720 INFO kablam!   |         ^ help: consider using `_a` instead
Nov 02 04:44:29.721 INFO kablam!   |
Nov 02 04:44:29.721 INFO kablam!   = note: #[warn(unused_variables)] on by default
Nov 02 04:44:29.721 INFO kablam! 
Nov 02 04:44:29.721 INFO kablam! warning: variable `b` is assigned to, but never used
Nov 02 04:44:29.721 INFO kablam!   --> src/main.rs:14:13
Nov 02 04:44:29.721 INFO kablam!    |
Nov 02 04:44:29.721 INFO kablam! 14 |     let mut b: i32 = 15;
Nov 02 04:44:29.721 INFO kablam!    |             ^
Nov 02 04:44:29.721 INFO kablam!    |
Nov 02 04:44:29.721 INFO kablam!    = note: consider using `_b` instead
Nov 02 04:44:29.721 INFO kablam! 
Nov 02 04:44:29.721 INFO kablam! warning: value assigned to `b` is never read
Nov 02 04:44:29.721 INFO kablam!   --> src/main.rs:15:5
Nov 02 04:44:29.721 INFO kablam!    |
Nov 02 04:44:29.721 INFO kablam! 15 |     b = 25;
Nov 02 04:44:29.721 INFO kablam!    |     ^
Nov 02 04:44:29.721 INFO kablam!    |
Nov 02 04:44:29.721 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Nov 02 04:44:29.721 INFO kablam! 
Nov 02 04:44:29.721 INFO kablam! warning: unused variable: `x`
Nov 02 04:44:29.721 INFO kablam!   --> src/main.rs:17:9
Nov 02 04:44:29.721 INFO kablam!    |
Nov 02 04:44:29.721 INFO kablam! 17 |     let x: i32; // bindings need to be given a starting val. this is bad
Nov 02 04:44:29.721 INFO kablam!    |         ^ help: consider using `_x` instead
Nov 02 04:44:29.721 INFO kablam! 
Nov 02 04:44:29.721 INFO kablam! warning: value assigned to `x` is never read
Nov 02 04:44:29.721 INFO kablam!   --> src/main.rs:38:13
Nov 02 04:44:29.721 INFO kablam!    |
Nov 02 04:44:29.721 INFO kablam! 38 |     let mut x: i32 = 1;
Nov 02 04:44:29.721 INFO kablam!    |             ^
Nov 02 04:44:29.721 INFO kablam! 
Nov 02 04:44:29.721 INFO kablam! warning: unused variable: `y`
Nov 02 04:44:29.721 INFO kablam!   --> src/main.rs:42:9
Nov 02 04:44:29.721 INFO kablam!    |
Nov 02 04:44:29.721 INFO kablam! 42 |     let y = 4;
Nov 02 04:44:29.721 INFO kablam!    |         ^ help: consider using `_y` instead
Nov 02 04:44:29.721 INFO kablam! 
Nov 02 04:44:29.721 INFO kablam! warning: unused variable: `y`
Nov 02 04:44:29.721 INFO kablam!   --> src/main.rs:45:9
Nov 02 04:44:29.721 INFO kablam!    |
Nov 02 04:44:29.721 INFO kablam! 45 |     let y = "I can also be bound to text!"; // `y` is now of a different type.
Nov 02 04:44:29.721 INFO kablam!    |         ^ help: consider using `_y` instead
Nov 02 04:44:29.721 INFO kablam! 
Nov 02 04:44:29.721 INFO kablam! warning: unused variable: `x`
Nov 02 04:44:29.721 INFO kablam!   --> src/main.rs:60:9
Nov 02 04:44:29.721 INFO kablam!    |
Nov 02 04:44:29.721 INFO kablam! 60 |     let x = return_int_plus_1(1);
Nov 02 04:44:29.721 INFO kablam!    |         ^ help: consider using `_x` instead
Nov 02 04:44:29.721 INFO kablam! 
Nov 02 04:44:29.729 INFO kablam! warning: unused variable: `a`
Nov 02 04:44:29.729 INFO kablam!  --> src/main.rs:9:9
Nov 02 04:44:29.729 INFO kablam!   |
Nov 02 04:44:29.729 INFO kablam! 9 |     let a: i32 = 1;
Nov 02 04:44:29.729 INFO kablam!   |         ^ help: consider using `_a` instead
Nov 02 04:44:29.730 INFO kablam!   |
Nov 02 04:44:29.730 INFO kablam!   = note: #[warn(unused_variables)] on by default
Nov 02 04:44:29.730 INFO kablam! 
Nov 02 04:44:29.730 INFO kablam! warning: variable `b` is assigned to, but never used
Nov 02 04:44:29.730 INFO kablam!   --> src/main.rs:14:13
Nov 02 04:44:29.730 INFO kablam!    |
Nov 02 04:44:29.730 INFO kablam! 14 |     let mut b: i32 = 15;
Nov 02 04:44:29.730 INFO kablam!    |             ^
Nov 02 04:44:29.730 INFO kablam!    |
Nov 02 04:44:29.730 INFO kablam!    = note: consider using `_b` instead
Nov 02 04:44:29.730 INFO kablam! 
Nov 02 04:44:29.730 INFO kablam! warning: value assigned to `b` is never read
Nov 02 04:44:29.730 INFO kablam!   --> src/main.rs:15:5
Nov 02 04:44:29.730 INFO kablam!    |
Nov 02 04:44:29.731 INFO kablam! 15 |     b = 25;
Nov 02 04:44:29.731 INFO kablam!    |     ^
Nov 02 04:44:29.731 INFO kablam!    |
Nov 02 04:44:29.731 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Nov 02 04:44:29.731 INFO kablam! 
Nov 02 04:44:29.731 INFO kablam! warning: unused variable: `x`
Nov 02 04:44:29.731 INFO kablam!   --> src/main.rs:17:9
Nov 02 04:44:29.731 INFO kablam!    |
Nov 02 04:44:29.731 INFO kablam! 17 |     let x: i32; // bindings need to be given a starting val. this is bad
Nov 02 04:44:29.731 INFO kablam!    |         ^ help: consider using `_x` instead
Nov 02 04:44:29.731 INFO kablam! 
Nov 02 04:44:29.731 INFO kablam! warning: value assigned to `x` is never read
Nov 02 04:44:29.731 INFO kablam!   --> src/main.rs:38:13
Nov 02 04:44:29.731 INFO kablam!    |
Nov 02 04:44:29.731 INFO kablam! 38 |     let mut x: i32 = 1;
Nov 02 04:44:29.731 INFO kablam!    |             ^
Nov 02 04:44:29.731 INFO kablam! 
Nov 02 04:44:29.731 INFO kablam! warning: unused variable: `y`
Nov 02 04:44:29.731 INFO kablam!   --> src/main.rs:42:9
Nov 02 04:44:29.731 INFO kablam!    |
Nov 02 04:44:29.731 INFO kablam! 42 |     let y = 4;
Nov 02 04:44:29.731 INFO kablam!    |         ^ help: consider using `_y` instead
Nov 02 04:44:29.731 INFO kablam! 
Nov 02 04:44:29.731 INFO kablam! warning: unused variable: `y`
Nov 02 04:44:29.731 INFO kablam!   --> src/main.rs:45:9
Nov 02 04:44:29.731 INFO kablam!    |
Nov 02 04:44:29.731 INFO kablam! 45 |     let y = "I can also be bound to text!"; // `y` is now of a different type.
Nov 02 04:44:29.731 INFO kablam!    |         ^ help: consider using `_y` instead
Nov 02 04:44:29.731 INFO kablam! 
Nov 02 04:44:29.731 INFO kablam! warning: unused variable: `x`
Nov 02 04:44:29.731 INFO kablam!   --> src/main.rs:60:9
Nov 02 04:44:29.731 INFO kablam!    |
Nov 02 04:44:29.731 INFO kablam! 60 |     let x = return_int_plus_1(1);
Nov 02 04:44:29.731 INFO kablam!    |         ^ help: consider using `_x` instead
Nov 02 04:44:29.731 INFO kablam! 
Nov 02 04:44:29.740 INFO kablam! warning: function is never used: `diverges`
Nov 02 04:44:29.741 INFO kablam!   --> src/main.rs:93:1
Nov 02 04:44:29.741 INFO kablam!    |
Nov 02 04:44:29.741 INFO kablam! 93 | fn diverges() -> ! {
Nov 02 04:44:29.741 INFO kablam!    | ^^^^^^^^^^^^^^^^^^
Nov 02 04:44:29.741 INFO kablam!    |
Nov 02 04:44:29.741 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 02 04:44:29.741 INFO kablam! 
Nov 02 04:44:29.741 INFO kablam! warning: function is never used: `diverges`
Nov 02 04:44:29.741 INFO kablam!   --> src/main.rs:93:1
Nov 02 04:44:29.741 INFO kablam!    |
Nov 02 04:44:29.741 INFO kablam! 93 | fn diverges() -> ! {
Nov 02 04:44:29.741 INFO kablam!    | ^^^^^^^^^^^^^^^^^^
Nov 02 04:44:29.741 INFO kablam!    |
Nov 02 04:44:29.741 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 02 04:44:29.741 INFO kablam! 
Nov 02 04:44:29.765 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
Nov 02 04:44:29.765 INFO kablam! su: No module specific data is present
Nov 02 04:44:30.090 INFO running `"docker" "rm" "-f" "84f2bbfaf78dbc9d6c72f60a5c807f07e88a698282504bec3aef2c6167da11af"`
Nov 02 04:44:30.303 INFO blam! 84f2bbfaf78dbc9d6c72f60a5c807f07e88a698282504bec3aef2c6167da11af