Nov 04 05:14:37.069 INFO checking java007hf/Rust_demo against try#e740b9aa0b624fa39feb39613e76d15bdf57e594 for pr-55655
Nov 04 05:14:37.069 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-4/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 04 05:14:37.244 INFO blam! 251ecb18d5b0cde8847315c54e1401d5787704ee8bb1d1f84d631165ec5edffb
Nov 04 05:14:37.246 INFO running `"docker" "start" "-a" "251ecb18d5b0cde8847315c54e1401d5787704ee8bb1d1f84d631165ec5edffb"`
Nov 04 05:14:37.608 INFO kablam! usermod: no changes
Nov 04 05:14:37.657 INFO kablam!     Checking rust_demo v0.1.0 (/source)
Nov 04 05:14:37.998 INFO kablam! warning: unnecessary parentheses around `for` head expression
Nov 04 05:14:37.998 INFO kablam!    --> src/main.rs:214:14
Nov 04 05:14:37.998 INFO kablam!     |
Nov 04 05:14:37.998 INFO kablam! 214 |     for x in (0..11) {
Nov 04 05:14:37.998 INFO kablam!     |              ^^^^^^^ help: remove these parentheses
Nov 04 05:14:37.998 INFO kablam!     |
Nov 04 05:14:37.998 INFO kablam!     = note: #[warn(unused_parens)] on by default
Nov 04 05:14:37.998 INFO kablam! 
Nov 04 05:14:38.003 INFO kablam! warning: unnecessary parentheses around `for` head expression
Nov 04 05:14:38.003 INFO kablam!    --> src/main.rs:214:14
Nov 04 05:14:38.003 INFO kablam!     |
Nov 04 05:14:38.003 INFO kablam! 214 |     for x in (0..11) {
Nov 04 05:14:38.003 INFO kablam!     |              ^^^^^^^ help: remove these parentheses
Nov 04 05:14:38.003 INFO kablam!     |
Nov 04 05:14:38.003 INFO kablam!     = note: #[warn(unused_parens)] on by default
Nov 04 05:14:38.003 INFO kablam! 
Nov 04 05:14:38.106 INFO kablam! warning: variable `inferred_type` is assigned to, but never used
Nov 04 05:14:38.119 INFO kablam!   --> src/main.rs:19:13
Nov 04 05:14:38.119 INFO kablam!    |
Nov 04 05:14:38.119 INFO kablam! 19 |     let mut inferred_type = 12; // Type i64 is inferred from another line
Nov 04 05:14:38.119 INFO kablam!    |             ^^^^^^^^^^^^^
Nov 04 05:14:38.119 INFO kablam!    |
Nov 04 05:14:38.119 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 04 05:14:38.119 INFO kablam!    = note: consider using `_inferred_type` instead
Nov 04 05:14:38.119 INFO kablam! 
Nov 04 05:14:38.119 INFO kablam! warning: value assigned to `inferred_type` is never read
Nov 04 05:14:38.119 INFO kablam!   --> src/main.rs:20:5
Nov 04 05:14:38.119 INFO kablam!    |
Nov 04 05:14:38.119 INFO kablam! 20 |     inferred_type = 4294967296i64;
Nov 04 05:14:38.119 INFO kablam!    |     ^^^^^^^^^^^^^
Nov 04 05:14:38.119 INFO kablam!    |
Nov 04 05:14:38.119 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Nov 04 05:14:38.119 INFO kablam! 
Nov 04 05:14:38.119 INFO kablam! warning: variable `mutable` is assigned to, but never used
Nov 04 05:14:38.119 INFO kablam!   --> src/main.rs:23:13
Nov 04 05:14:38.119 INFO kablam!    |
Nov 04 05:14:38.119 INFO kablam! 23 |     let mut mutable = 12; // Mutable `i32`
Nov 04 05:14:38.119 INFO kablam!    |             ^^^^^^^
Nov 04 05:14:38.119 INFO kablam!    |
Nov 04 05:14:38.119 INFO kablam!    = note: consider using `_mutable` instead
Nov 04 05:14:38.119 INFO kablam! 
Nov 04 05:14:38.119 INFO kablam! warning: value assigned to `mutable` is never read
Nov 04 05:14:38.119 INFO kablam!   --> src/main.rs:24:5
Nov 04 05:14:38.119 INFO kablam!    |
Nov 04 05:14:38.119 INFO kablam! 24 |     mutable = 21;
Nov 04 05:14:38.119 INFO kablam!    |     ^^^^^^^
Nov 04 05:14:38.119 INFO kablam! 
Nov 04 05:14:38.119 INFO kablam! warning: value assigned to `mutable` is never read
Nov 04 05:14:38.119 INFO kablam!   --> src/main.rs:27:5
Nov 04 05:14:38.119 INFO kablam!    |
Nov 04 05:14:38.119 INFO kablam! 27 |     mutable = 11;
Nov 04 05:14:38.119 INFO kablam!    |     ^^^^^^^
Nov 04 05:14:38.119 INFO kablam! 
Nov 04 05:14:38.119 INFO kablam! warning: unused variable: `mutable`
Nov 04 05:14:38.119 INFO kablam!   --> src/main.rs:30:9
Nov 04 05:14:38.119 INFO kablam!    |
Nov 04 05:14:38.119 INFO kablam! 30 |     let mutable = true;
Nov 04 05:14:38.119 INFO kablam!    |         ^^^^^^^ help: consider using `_mutable` instead
Nov 04 05:14:38.119 INFO kablam! 
Nov 04 05:14:38.119 INFO kablam! warning: unused variable: `a`
Nov 04 05:14:38.119 INFO kablam!   --> src/main.rs:36:9
Nov 04 05:14:38.119 INFO kablam!    |
Nov 04 05:14:38.119 INFO kablam! 36 |     let a = [1, 2, 3]; // a: [i32; 3]
Nov 04 05:14:38.119 INFO kablam!    |         ^ help: consider using `_a` instead
Nov 04 05:14:38.119 INFO kablam! 
Nov 04 05:14:38.119 INFO kablam! warning: unused variable: `middle`
Nov 04 05:14:38.119 INFO kablam!   --> src/main.rs:61:9
Nov 04 05:14:38.119 INFO kablam!    |
Nov 04 05:14:38.119 INFO kablam! 61 |     let middle = &a[1..3];
Nov 04 05:14:38.119 INFO kablam!    |         ^^^^^^ help: consider using `_middle` instead
Nov 04 05:14:38.119 INFO kablam! 
Nov 04 05:14:38.119 INFO kablam! warning: unused variable: `a`
Nov 04 05:14:38.119 INFO kablam!   --> src/main.rs:67:10
Nov 04 05:14:38.119 INFO kablam!    |
Nov 04 05:14:38.119 INFO kablam! 67 |     let (a, b, c) = y;
Nov 04 05:14:38.119 INFO kablam!    |          ^ help: consider using `_a` instead
Nov 04 05:14:38.119 INFO kablam! 
Nov 04 05:14:38.119 INFO kablam! warning: unused variable: `b`
Nov 04 05:14:38.119 INFO kablam!   --> src/main.rs:67:13
Nov 04 05:14:38.119 INFO kablam!    |
Nov 04 05:14:38.119 INFO kablam! 67 |     let (a, b, c) = y;
Nov 04 05:14:38.119 INFO kablam!    |             ^ help: consider using `_b` instead
Nov 04 05:14:38.119 INFO kablam! 
Nov 04 05:14:38.119 INFO kablam! warning: unused variable: `y`
Nov 04 05:14:38.119 INFO kablam!   --> src/main.rs:73:9
Nov 04 05:14:38.119 INFO kablam!    |
Nov 04 05:14:38.119 INFO kablam! 73 |     let y = tuple.1;
Nov 04 05:14:38.119 INFO kablam!    |         ^ help: consider using `_y` instead
Nov 04 05:14:38.119 INFO kablam! 
Nov 04 05:14:38.119 INFO kablam! warning: unused variable: `z`
Nov 04 05:14:38.119 INFO kablam!   --> src/main.rs:74:9
Nov 04 05:14:38.119 INFO kablam!    |
Nov 04 05:14:38.120 INFO kablam! 74 |     let z = tuple.2;
Nov 04 05:14:38.120 INFO kablam!    |         ^ help: consider using `_z` instead
Nov 04 05:14:38.120 INFO kablam! 
Nov 04 05:14:38.120 INFO kablam! warning: unused variable: `j`
Nov 04 05:14:38.120 INFO kablam!   --> src/main.rs:91:9
Nov 04 05:14:38.120 INFO kablam!    |
Nov 04 05:14:38.120 INFO kablam! 91 |     let j: i32 = 0;
Nov 04 05:14:38.120 INFO kablam!    |         ^ help: consider using `_j` instead
Nov 04 05:14:38.120 INFO kablam! 
Nov 04 05:14:38.120 INFO kablam! warning: unused variable: `v2`
Nov 04 05:14:38.120 INFO kablam!    --> src/main.rs:119:9
Nov 04 05:14:38.120 INFO kablam!     |
Nov 04 05:14:38.120 INFO kablam! 119 |     let v2 = v;
Nov 04 05:14:38.120 INFO kablam!     |         ^^ help: consider using `_v2` instead
Nov 04 05:14:38.120 INFO kablam! 
Nov 04 05:14:38.167 INFO kablam! warning: function is never used: `diverges`
Nov 04 05:14:38.169 INFO kablam!    --> src/main.rs:188:1
Nov 04 05:14:38.169 INFO kablam!     |
Nov 04 05:14:38.169 INFO kablam! 188 | fn diverges() -> ! {
Nov 04 05:14:38.169 INFO kablam!     | ^^^^^^^^^^^^^^^^^^
Nov 04 05:14:38.169 INFO kablam!     |
Nov 04 05:14:38.169 INFO kablam!     = note: #[warn(dead_code)] on by default
Nov 04 05:14:38.169 INFO kablam! 
Nov 04 05:14:38.177 INFO kablam! warning: variable `inferred_type` is assigned to, but never used
Nov 04 05:14:38.177 INFO kablam!   --> src/main.rs:19:13
Nov 04 05:14:38.177 INFO kablam!    |
Nov 04 05:14:38.177 INFO kablam! 19 |     let mut inferred_type = 12; // Type i64 is inferred from another line
Nov 04 05:14:38.177 INFO kablam!    |             ^^^^^^^^^^^^^
Nov 04 05:14:38.177 INFO kablam!    |
Nov 04 05:14:38.177 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 04 05:14:38.177 INFO kablam!    = note: consider using `_inferred_type` instead
Nov 04 05:14:38.177 INFO kablam! 
Nov 04 05:14:38.177 INFO kablam! warning: value assigned to `inferred_type` is never read
Nov 04 05:14:38.177 INFO kablam!   --> src/main.rs:20:5
Nov 04 05:14:38.177 INFO kablam!    |
Nov 04 05:14:38.177 INFO kablam! 20 |     inferred_type = 4294967296i64;
Nov 04 05:14:38.177 INFO kablam!    |     ^^^^^^^^^^^^^
Nov 04 05:14:38.177 INFO kablam!    |
Nov 04 05:14:38.177 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Nov 04 05:14:38.177 INFO kablam! 
Nov 04 05:14:38.177 INFO kablam! warning: variable `mutable` is assigned to, but never used
Nov 04 05:14:38.177 INFO kablam!   --> src/main.rs:23:13
Nov 04 05:14:38.177 INFO kablam!    |
Nov 04 05:14:38.177 INFO kablam! 23 |     let mut mutable = 12; // Mutable `i32`
Nov 04 05:14:38.177 INFO kablam!    |             ^^^^^^^
Nov 04 05:14:38.177 INFO kablam!    |
Nov 04 05:14:38.177 INFO kablam!    = note: consider using `_mutable` instead
Nov 04 05:14:38.177 INFO kablam! 
Nov 04 05:14:38.177 INFO kablam! warning: value assigned to `mutable` is never read
Nov 04 05:14:38.177 INFO kablam!   --> src/main.rs:24:5
Nov 04 05:14:38.177 INFO kablam!    |
Nov 04 05:14:38.177 INFO kablam! 24 |     mutable = 21;
Nov 04 05:14:38.177 INFO kablam!    |     ^^^^^^^
Nov 04 05:14:38.177 INFO kablam! 
Nov 04 05:14:38.177 INFO kablam! warning: value assigned to `mutable` is never read
Nov 04 05:14:38.177 INFO kablam!   --> src/main.rs:27:5
Nov 04 05:14:38.177 INFO kablam!    |
Nov 04 05:14:38.177 INFO kablam! 27 |     mutable = 11;
Nov 04 05:14:38.177 INFO kablam!    |     ^^^^^^^
Nov 04 05:14:38.177 INFO kablam! 
Nov 04 05:14:38.177 INFO kablam! warning: unused variable: `mutable`
Nov 04 05:14:38.177 INFO kablam!   --> src/main.rs:30:9
Nov 04 05:14:38.177 INFO kablam!    |
Nov 04 05:14:38.177 INFO kablam! 30 |     let mutable = true;
Nov 04 05:14:38.177 INFO kablam!    |         ^^^^^^^ help: consider using `_mutable` instead
Nov 04 05:14:38.177 INFO kablam! 
Nov 04 05:14:38.177 INFO kablam! warning: unused variable: `a`
Nov 04 05:14:38.177 INFO kablam!   --> src/main.rs:36:9
Nov 04 05:14:38.177 INFO kablam!    |
Nov 04 05:14:38.177 INFO kablam! 36 |     let a = [1, 2, 3]; // a: [i32; 3]
Nov 04 05:14:38.177 INFO kablam!    |         ^ help: consider using `_a` instead
Nov 04 05:14:38.178 INFO kablam! 
Nov 04 05:14:38.178 INFO kablam! warning: unused variable: `middle`
Nov 04 05:14:38.178 INFO kablam!   --> src/main.rs:61:9
Nov 04 05:14:38.178 INFO kablam!    |
Nov 04 05:14:38.178 INFO kablam! 61 |     let middle = &a[1..3];
Nov 04 05:14:38.178 INFO kablam!    |         ^^^^^^ help: consider using `_middle` instead
Nov 04 05:14:38.178 INFO kablam! 
Nov 04 05:14:38.178 INFO kablam! warning: unused variable: `a`
Nov 04 05:14:38.178 INFO kablam!   --> src/main.rs:67:10
Nov 04 05:14:38.178 INFO kablam!    |
Nov 04 05:14:38.178 INFO kablam! 67 |     let (a, b, c) = y;
Nov 04 05:14:38.178 INFO kablam!    |          ^ help: consider using `_a` instead
Nov 04 05:14:38.178 INFO kablam! 
Nov 04 05:14:38.178 INFO kablam! warning: unused variable: `b`
Nov 04 05:14:38.178 INFO kablam!   --> src/main.rs:67:13
Nov 04 05:14:38.178 INFO kablam!    |
Nov 04 05:14:38.178 INFO kablam! 67 |     let (a, b, c) = y;
Nov 04 05:14:38.178 INFO kablam!    |             ^ help: consider using `_b` instead
Nov 04 05:14:38.178 INFO kablam! 
Nov 04 05:14:38.178 INFO kablam! warning: unused variable: `y`
Nov 04 05:14:38.178 INFO kablam!   --> src/main.rs:73:9
Nov 04 05:14:38.178 INFO kablam!    |
Nov 04 05:14:38.178 INFO kablam! 73 |     let y = tuple.1;
Nov 04 05:14:38.178 INFO kablam!    |         ^ help: consider using `_y` instead
Nov 04 05:14:38.178 INFO kablam! 
Nov 04 05:14:38.178 INFO kablam! warning: unused variable: `z`
Nov 04 05:14:38.178 INFO kablam!   --> src/main.rs:74:9
Nov 04 05:14:38.178 INFO kablam!    |
Nov 04 05:14:38.178 INFO kablam! 74 |     let z = tuple.2;
Nov 04 05:14:38.178 INFO kablam!    |         ^ help: consider using `_z` instead
Nov 04 05:14:38.178 INFO kablam! 
Nov 04 05:14:38.178 INFO kablam! warning: unused variable: `j`
Nov 04 05:14:38.178 INFO kablam!   --> src/main.rs:91:9
Nov 04 05:14:38.178 INFO kablam!    |
Nov 04 05:14:38.178 INFO kablam! 91 |     let j: i32 = 0;
Nov 04 05:14:38.178 INFO kablam!    |         ^ help: consider using `_j` instead
Nov 04 05:14:38.178 INFO kablam! 
Nov 04 05:14:38.178 INFO kablam! warning: unused variable: `v2`
Nov 04 05:14:38.178 INFO kablam!    --> src/main.rs:119:9
Nov 04 05:14:38.178 INFO kablam!     |
Nov 04 05:14:38.178 INFO kablam! 119 |     let v2 = v;
Nov 04 05:14:38.178 INFO kablam!     |         ^^ help: consider using `_v2` instead
Nov 04 05:14:38.178 INFO kablam! 
Nov 04 05:14:38.198 INFO kablam! warning: function is never used: `diverges`
Nov 04 05:14:38.198 INFO kablam!    --> src/main.rs:188:1
Nov 04 05:14:38.198 INFO kablam!     |
Nov 04 05:14:38.198 INFO kablam! 188 | fn diverges() -> ! {
Nov 04 05:14:38.198 INFO kablam!     | ^^^^^^^^^^^^^^^^^^
Nov 04 05:14:38.198 INFO kablam!     |
Nov 04 05:14:38.198 INFO kablam!     = note: #[warn(dead_code)] on by default
Nov 04 05:14:38.198 INFO kablam! 
Nov 04 05:14:38.219 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
Nov 04 05:14:38.227 INFO kablam! su: No module specific data is present
Nov 04 05:14:38.612 INFO running `"docker" "rm" "-f" "251ecb18d5b0cde8847315c54e1401d5787704ee8bb1d1f84d631165ec5edffb"`
Nov 04 05:14:38.755 INFO blam! 251ecb18d5b0cde8847315c54e1401d5787704ee8bb1d1f84d631165ec5edffb