Oct 26 19:04:56.903 INFO checking tperdue321/rust_basics against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 26 19:04:56.903 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-3/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/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 26 19:04:57.203 INFO blam! fa3b01a17abfacc0e9586ad1b8e8e548db1c0acd5be0d896797d4d4f8ef7551e
Oct 26 19:04:57.211 INFO running `"docker" "start" "-a" "fa3b01a17abfacc0e9586ad1b8e8e548db1c0acd5be0d896797d4d4f8ef7551e"`
Oct 26 19:04:58.570 INFO kablam! usermod: no changes
Oct 26 19:04:58.647 INFO kablam!     Checking basics v0.1.0 (/source)
Oct 26 19:04:58.931 INFO kablam! warning: unused variable: `a`
Oct 26 19:04:58.931 INFO kablam!  --> src/main.rs:9:9
Oct 26 19:04:58.931 INFO kablam!   |
Oct 26 19:04:58.931 INFO kablam! 9 |     let a: i32 = 1;
Oct 26 19:04:58.931 INFO kablam!   |         ^ help: consider using `_a` instead
Oct 26 19:04:58.931 INFO kablam!   |
Oct 26 19:04:58.931 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 26 19:04:58.931 INFO kablam! 
Oct 26 19:04:58.931 INFO kablam! warning: variable `b` is assigned to, but never used
Oct 26 19:04:58.931 INFO kablam!   --> src/main.rs:14:13
Oct 26 19:04:58.931 INFO kablam!    |
Oct 26 19:04:58.931 INFO kablam! 14 |     let mut b: i32 = 15;
Oct 26 19:04:58.931 INFO kablam!    |             ^
Oct 26 19:04:58.931 INFO kablam!    |
Oct 26 19:04:58.931 INFO kablam!    = note: consider using `_b` instead
Oct 26 19:04:58.931 INFO kablam! 
Oct 26 19:04:58.931 INFO kablam! warning: value assigned to `b` is never read
Oct 26 19:04:58.931 INFO kablam!   --> src/main.rs:15:5
Oct 26 19:04:58.931 INFO kablam!    |
Oct 26 19:04:58.931 INFO kablam! 15 |     b = 25;
Oct 26 19:04:58.931 INFO kablam!    |     ^
Oct 26 19:04:58.931 INFO kablam!    |
Oct 26 19:04:58.931 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Oct 26 19:04:58.931 INFO kablam! 
Oct 26 19:04:58.931 INFO kablam! warning: unused variable: `x`
Oct 26 19:04:58.931 INFO kablam!   --> src/main.rs:17:9
Oct 26 19:04:58.931 INFO kablam!    |
Oct 26 19:04:58.931 INFO kablam! 17 |     let x: i32; // bindings need to be given a starting val. this is bad
Oct 26 19:04:58.931 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 26 19:04:58.931 INFO kablam! 
Oct 26 19:04:58.931 INFO kablam! warning: value assigned to `x` is never read
Oct 26 19:04:58.931 INFO kablam!   --> src/main.rs:38:13
Oct 26 19:04:58.931 INFO kablam!    |
Oct 26 19:04:58.931 INFO kablam! 38 |     let mut x: i32 = 1;
Oct 26 19:04:58.931 INFO kablam!    |             ^
Oct 26 19:04:58.931 INFO kablam! 
Oct 26 19:04:58.931 INFO kablam! warning: unused variable: `y`
Oct 26 19:04:58.931 INFO kablam!   --> src/main.rs:42:9
Oct 26 19:04:58.931 INFO kablam!    |
Oct 26 19:04:58.931 INFO kablam! 42 |     let y = 4;
Oct 26 19:04:58.931 INFO kablam!    |         ^ help: consider using `_y` instead
Oct 26 19:04:58.933 INFO kablam! 
Oct 26 19:04:58.933 INFO kablam! warning: unused variable: `y`
Oct 26 19:04:58.933 INFO kablam!   --> src/main.rs:45:9
Oct 26 19:04:58.933 INFO kablam!    |
Oct 26 19:04:58.933 INFO kablam! 45 |     let y = "I can also be bound to text!"; // `y` is now of a different type.
Oct 26 19:04:58.933 INFO kablam!    |         ^ help: consider using `_y` instead
Oct 26 19:04:58.933 INFO kablam! 
Oct 26 19:04:58.933 INFO kablam! warning: unused variable: `x`
Oct 26 19:04:58.933 INFO kablam!   --> src/main.rs:60:9
Oct 26 19:04:58.933 INFO kablam!    |
Oct 26 19:04:58.933 INFO kablam! 60 |     let x = return_int_plus_1(1);
Oct 26 19:04:58.933 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 26 19:04:58.933 INFO kablam! 
Oct 26 19:04:58.937 INFO kablam! warning: function is never used: `diverges`
Oct 26 19:04:58.937 INFO kablam!   --> src/main.rs:93:1
Oct 26 19:04:58.937 INFO kablam!    |
Oct 26 19:04:58.937 INFO kablam! 93 | fn diverges() -> ! {
Oct 26 19:04:58.937 INFO kablam!    | ^^^^^^^^^^^^^^^^^^
Oct 26 19:04:58.937 INFO kablam!    |
Oct 26 19:04:58.937 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 26 19:04:58.937 INFO kablam! 
Oct 26 19:04:59.063 INFO kablam! warning: unused variable: `a`
Oct 26 19:04:59.063 INFO kablam!  --> src/main.rs:9:9
Oct 26 19:04:59.063 INFO kablam!   |
Oct 26 19:04:59.063 INFO kablam! 9 |     let a: i32 = 1;
Oct 26 19:04:59.063 INFO kablam!   |         ^ help: consider using `_a` instead
Oct 26 19:04:59.063 INFO kablam!   |
Oct 26 19:04:59.063 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 26 19:04:59.063 INFO kablam! 
Oct 26 19:04:59.063 INFO kablam! warning: variable `b` is assigned to, but never used
Oct 26 19:04:59.063 INFO kablam!   --> src/main.rs:14:13
Oct 26 19:04:59.063 INFO kablam!    |
Oct 26 19:04:59.063 INFO kablam! 14 |     let mut b: i32 = 15;
Oct 26 19:04:59.063 INFO kablam!    |             ^
Oct 26 19:04:59.063 INFO kablam!    |
Oct 26 19:04:59.063 INFO kablam!    = note: consider using `_b` instead
Oct 26 19:04:59.063 INFO kablam! 
Oct 26 19:04:59.063 INFO kablam! warning: value assigned to `b` is never read
Oct 26 19:04:59.063 INFO kablam!   --> src/main.rs:15:5
Oct 26 19:04:59.063 INFO kablam!    |
Oct 26 19:04:59.063 INFO kablam! 15 |     b = 25;
Oct 26 19:04:59.063 INFO kablam!    |     ^
Oct 26 19:04:59.063 INFO kablam!    |
Oct 26 19:04:59.063 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Oct 26 19:04:59.063 INFO kablam! 
Oct 26 19:04:59.063 INFO kablam! warning: unused variable: `x`
Oct 26 19:04:59.063 INFO kablam!   --> src/main.rs:17:9
Oct 26 19:04:59.063 INFO kablam!    |
Oct 26 19:04:59.063 INFO kablam! 17 |     let x: i32; // bindings need to be given a starting val. this is bad
Oct 26 19:04:59.063 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 26 19:04:59.063 INFO kablam! 
Oct 26 19:04:59.063 INFO kablam! warning: value assigned to `x` is never read
Oct 26 19:04:59.063 INFO kablam!   --> src/main.rs:38:13
Oct 26 19:04:59.063 INFO kablam!    |
Oct 26 19:04:59.064 INFO kablam! 38 |     let mut x: i32 = 1;
Oct 26 19:04:59.064 INFO kablam!    |             ^
Oct 26 19:04:59.064 INFO kablam! 
Oct 26 19:04:59.064 INFO kablam! warning: unused variable: `y`
Oct 26 19:04:59.064 INFO kablam!   --> src/main.rs:42:9
Oct 26 19:04:59.064 INFO kablam!    |
Oct 26 19:04:59.064 INFO kablam! 42 |     let y = 4;
Oct 26 19:04:59.064 INFO kablam!    |         ^ help: consider using `_y` instead
Oct 26 19:04:59.064 INFO kablam! 
Oct 26 19:04:59.064 INFO kablam! warning: unused variable: `y`
Oct 26 19:04:59.064 INFO kablam!   --> src/main.rs:45:9
Oct 26 19:04:59.064 INFO kablam!    |
Oct 26 19:04:59.064 INFO kablam! 45 |     let y = "I can also be bound to text!"; // `y` is now of a different type.
Oct 26 19:04:59.064 INFO kablam!    |         ^ help: consider using `_y` instead
Oct 26 19:04:59.064 INFO kablam! 
Oct 26 19:04:59.064 INFO kablam! warning: unused variable: `x`
Oct 26 19:04:59.064 INFO kablam!   --> src/main.rs:60:9
Oct 26 19:04:59.064 INFO kablam!    |
Oct 26 19:04:59.064 INFO kablam! 60 |     let x = return_int_plus_1(1);
Oct 26 19:04:59.064 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 26 19:04:59.064 INFO kablam! 
Oct 26 19:04:59.079 INFO kablam! warning: function is never used: `diverges`
Oct 26 19:04:59.079 INFO kablam!   --> src/main.rs:93:1
Oct 26 19:04:59.079 INFO kablam!    |
Oct 26 19:04:59.079 INFO kablam! 93 | fn diverges() -> ! {
Oct 26 19:04:59.079 INFO kablam!    | ^^^^^^^^^^^^^^^^^^
Oct 26 19:04:59.079 INFO kablam!    |
Oct 26 19:04:59.079 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 26 19:04:59.079 INFO kablam! 
Oct 26 19:04:59.089 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
Oct 26 19:04:59.089 INFO kablam! su: No module specific data is present
Oct 26 19:04:59.729 INFO running `"docker" "rm" "-f" "fa3b01a17abfacc0e9586ad1b8e8e548db1c0acd5be0d896797d4d4f8ef7551e"`
Oct 26 19:05:00.181 INFO blam! fa3b01a17abfacc0e9586ad1b8e8e548db1c0acd5be0d896797d4d4f8ef7551e