Oct 27 03:06:19.893 INFO checking java007hf/Rust_demo against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2 Oct 27 03:06:19.893 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-0/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/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 03:06:20.088 INFO blam! b07cfaa3b0a0d59cb171ee8ba719a76379ae901e21d7e6008412e4d3fc089764 Oct 27 03:06:20.092 INFO running `"docker" "start" "-a" "b07cfaa3b0a0d59cb171ee8ba719a76379ae901e21d7e6008412e4d3fc089764"` Oct 27 03:06:20.671 INFO kablam! usermod: no changes Oct 27 03:06:20.721 INFO kablam! Checking rust_demo v0.1.0 (/source) Oct 27 03:06:21.025 INFO kablam! warning: unnecessary parentheses around `for` head expression Oct 27 03:06:21.025 INFO kablam! --> src/main.rs:214:14 Oct 27 03:06:21.025 INFO kablam! | Oct 27 03:06:21.025 INFO kablam! 214 | for x in (0..11) { Oct 27 03:06:21.025 INFO kablam! | ^^^^^^^ help: remove these parentheses Oct 27 03:06:21.025 INFO kablam! | Oct 27 03:06:21.025 INFO kablam! = note: #[warn(unused_parens)] on by default Oct 27 03:06:21.025 INFO kablam! Oct 27 03:06:21.109 INFO kablam! warning: unnecessary parentheses around `for` head expression Oct 27 03:06:21.109 INFO kablam! --> src/main.rs:214:14 Oct 27 03:06:21.109 INFO kablam! | Oct 27 03:06:21.109 INFO kablam! 214 | for x in (0..11) { Oct 27 03:06:21.109 INFO kablam! | ^^^^^^^ help: remove these parentheses Oct 27 03:06:21.109 INFO kablam! | Oct 27 03:06:21.109 INFO kablam! = note: #[warn(unused_parens)] on by default Oct 27 03:06:21.109 INFO kablam! Oct 27 03:06:21.138 INFO kablam! warning: variable `inferred_type` is assigned to, but never used Oct 27 03:06:21.138 INFO kablam! --> src/main.rs:19:13 Oct 27 03:06:21.138 INFO kablam! | Oct 27 03:06:21.138 INFO kablam! 19 | let mut inferred_type = 12; // Type i64 is inferred from another line Oct 27 03:06:21.138 INFO kablam! | ^^^^^^^^^^^^^ Oct 27 03:06:21.138 INFO kablam! | Oct 27 03:06:21.138 INFO kablam! = note: #[warn(unused_variables)] on by default Oct 27 03:06:21.138 INFO kablam! = note: consider using `_inferred_type` instead Oct 27 03:06:21.138 INFO kablam! Oct 27 03:06:21.138 INFO kablam! warning: value assigned to `inferred_type` is never read Oct 27 03:06:21.138 INFO kablam! --> src/main.rs:20:5 Oct 27 03:06:21.138 INFO kablam! | Oct 27 03:06:21.138 INFO kablam! 20 | inferred_type = 4294967296i64; Oct 27 03:06:21.138 INFO kablam! | ^^^^^^^^^^^^^ Oct 27 03:06:21.138 INFO kablam! | Oct 27 03:06:21.138 INFO kablam! = note: #[warn(unused_assignments)] on by default Oct 27 03:06:21.138 INFO kablam! Oct 27 03:06:21.138 INFO kablam! warning: variable `mutable` is assigned to, but never used Oct 27 03:06:21.138 INFO kablam! --> src/main.rs:23:13 Oct 27 03:06:21.138 INFO kablam! | Oct 27 03:06:21.138 INFO kablam! 23 | let mut mutable = 12; // Mutable `i32` Oct 27 03:06:21.138 INFO kablam! | ^^^^^^^ Oct 27 03:06:21.138 INFO kablam! | Oct 27 03:06:21.138 INFO kablam! = note: consider using `_mutable` instead Oct 27 03:06:21.138 INFO kablam! Oct 27 03:06:21.138 INFO kablam! warning: value assigned to `mutable` is never read Oct 27 03:06:21.138 INFO kablam! --> src/main.rs:24:5 Oct 27 03:06:21.138 INFO kablam! | Oct 27 03:06:21.138 INFO kablam! 24 | mutable = 21; Oct 27 03:06:21.138 INFO kablam! | ^^^^^^^ Oct 27 03:06:21.138 INFO kablam! Oct 27 03:06:21.138 INFO kablam! warning: value assigned to `mutable` is never read Oct 27 03:06:21.138 INFO kablam! --> src/main.rs:27:5 Oct 27 03:06:21.138 INFO kablam! | Oct 27 03:06:21.138 INFO kablam! 27 | mutable = 11; Oct 27 03:06:21.138 INFO kablam! | ^^^^^^^ Oct 27 03:06:21.138 INFO kablam! Oct 27 03:06:21.138 INFO kablam! warning: unused variable: `mutable` Oct 27 03:06:21.138 INFO kablam! --> src/main.rs:30:9 Oct 27 03:06:21.138 INFO kablam! | Oct 27 03:06:21.138 INFO kablam! 30 | let mutable = true; Oct 27 03:06:21.138 INFO kablam! | ^^^^^^^ help: consider using `_mutable` instead Oct 27 03:06:21.138 INFO kablam! Oct 27 03:06:21.138 INFO kablam! warning: unused variable: `a` Oct 27 03:06:21.138 INFO kablam! --> src/main.rs:36:9 Oct 27 03:06:21.138 INFO kablam! | Oct 27 03:06:21.138 INFO kablam! 36 | let a = [1, 2, 3]; // a: [i32; 3] Oct 27 03:06:21.138 INFO kablam! | ^ help: consider using `_a` instead Oct 27 03:06:21.138 INFO kablam! Oct 27 03:06:21.138 INFO kablam! warning: unused variable: `middle` Oct 27 03:06:21.138 INFO kablam! --> src/main.rs:61:9 Oct 27 03:06:21.138 INFO kablam! | Oct 27 03:06:21.138 INFO kablam! 61 | let middle = &a[1..3]; Oct 27 03:06:21.138 INFO kablam! | ^^^^^^ help: consider using `_middle` instead Oct 27 03:06:21.138 INFO kablam! Oct 27 03:06:21.138 INFO kablam! warning: unused variable: `a` Oct 27 03:06:21.138 INFO kablam! --> src/main.rs:67:10 Oct 27 03:06:21.138 INFO kablam! | Oct 27 03:06:21.138 INFO kablam! 67 | let (a, b, c) = y; Oct 27 03:06:21.138 INFO kablam! | ^ help: consider using `_a` instead Oct 27 03:06:21.138 INFO kablam! Oct 27 03:06:21.138 INFO kablam! warning: unused variable: `b` Oct 27 03:06:21.138 INFO kablam! --> src/main.rs:67:13 Oct 27 03:06:21.139 INFO kablam! | Oct 27 03:06:21.139 INFO kablam! 67 | let (a, b, c) = y; Oct 27 03:06:21.139 INFO kablam! | ^ help: consider using `_b` instead Oct 27 03:06:21.139 INFO kablam! Oct 27 03:06:21.139 INFO kablam! warning: unused variable: `y` Oct 27 03:06:21.139 INFO kablam! --> src/main.rs:73:9 Oct 27 03:06:21.139 INFO kablam! | Oct 27 03:06:21.139 INFO kablam! 73 | let y = tuple.1; Oct 27 03:06:21.139 INFO kablam! | ^ help: consider using `_y` instead Oct 27 03:06:21.139 INFO kablam! Oct 27 03:06:21.139 INFO kablam! warning: unused variable: `z` Oct 27 03:06:21.139 INFO kablam! --> src/main.rs:74:9 Oct 27 03:06:21.139 INFO kablam! | Oct 27 03:06:21.139 INFO kablam! 74 | let z = tuple.2; Oct 27 03:06:21.139 INFO kablam! | ^ help: consider using `_z` instead Oct 27 03:06:21.139 INFO kablam! Oct 27 03:06:21.139 INFO kablam! warning: unused variable: `j` Oct 27 03:06:21.139 INFO kablam! --> src/main.rs:91:9 Oct 27 03:06:21.139 INFO kablam! | Oct 27 03:06:21.139 INFO kablam! 91 | let j: i32 = 0; Oct 27 03:06:21.139 INFO kablam! | ^ help: consider using `_j` instead Oct 27 03:06:21.139 INFO kablam! Oct 27 03:06:21.139 INFO kablam! warning: unused variable: `v2` Oct 27 03:06:21.139 INFO kablam! --> src/main.rs:119:9 Oct 27 03:06:21.139 INFO kablam! | Oct 27 03:06:21.139 INFO kablam! 119 | let v2 = v; Oct 27 03:06:21.139 INFO kablam! | ^^ help: consider using `_v2` instead Oct 27 03:06:21.139 INFO kablam! Oct 27 03:06:21.184 INFO kablam! warning: function is never used: `diverges` Oct 27 03:06:21.184 INFO kablam! --> src/main.rs:188:1 Oct 27 03:06:21.184 INFO kablam! | Oct 27 03:06:21.184 INFO kablam! 188 | fn diverges() -> ! { Oct 27 03:06:21.184 INFO kablam! | ^^^^^^^^^^^^^^^^^^ Oct 27 03:06:21.184 INFO kablam! | Oct 27 03:06:21.184 INFO kablam! = note: #[warn(dead_code)] on by default Oct 27 03:06:21.184 INFO kablam! Oct 27 03:06:21.223 INFO kablam! warning: variable `inferred_type` is assigned to, but never used Oct 27 03:06:21.223 INFO kablam! --> src/main.rs:19:13 Oct 27 03:06:21.223 INFO kablam! | Oct 27 03:06:21.223 INFO kablam! 19 | let mut inferred_type = 12; // Type i64 is inferred from another line Oct 27 03:06:21.223 INFO kablam! | ^^^^^^^^^^^^^ Oct 27 03:06:21.223 INFO kablam! | Oct 27 03:06:21.223 INFO kablam! = note: #[warn(unused_variables)] on by default Oct 27 03:06:21.223 INFO kablam! = note: consider using `_inferred_type` instead Oct 27 03:06:21.223 INFO kablam! Oct 27 03:06:21.223 INFO kablam! warning: value assigned to `inferred_type` is never read Oct 27 03:06:21.223 INFO kablam! --> src/main.rs:20:5 Oct 27 03:06:21.223 INFO kablam! | Oct 27 03:06:21.223 INFO kablam! 20 | inferred_type = 4294967296i64; Oct 27 03:06:21.223 INFO kablam! | ^^^^^^^^^^^^^ Oct 27 03:06:21.223 INFO kablam! | Oct 27 03:06:21.223 INFO kablam! = note: #[warn(unused_assignments)] on by default Oct 27 03:06:21.224 INFO kablam! Oct 27 03:06:21.224 INFO kablam! warning: variable `mutable` is assigned to, but never used Oct 27 03:06:21.224 INFO kablam! --> src/main.rs:23:13 Oct 27 03:06:21.224 INFO kablam! | Oct 27 03:06:21.224 INFO kablam! 23 | let mut mutable = 12; // Mutable `i32` Oct 27 03:06:21.224 INFO kablam! | ^^^^^^^ Oct 27 03:06:21.224 INFO kablam! | Oct 27 03:06:21.224 INFO kablam! = note: consider using `_mutable` instead Oct 27 03:06:21.224 INFO kablam! Oct 27 03:06:21.224 INFO kablam! warning: value assigned to `mutable` is never read Oct 27 03:06:21.224 INFO kablam! --> src/main.rs:24:5 Oct 27 03:06:21.224 INFO kablam! | Oct 27 03:06:21.224 INFO kablam! 24 | mutable = 21; Oct 27 03:06:21.224 INFO kablam! | ^^^^^^^ Oct 27 03:06:21.224 INFO kablam! Oct 27 03:06:21.224 INFO kablam! warning: value assigned to `mutable` is never read Oct 27 03:06:21.224 INFO kablam! --> src/main.rs:27:5 Oct 27 03:06:21.224 INFO kablam! | Oct 27 03:06:21.224 INFO kablam! 27 | mutable = 11; Oct 27 03:06:21.224 INFO kablam! | ^^^^^^^ Oct 27 03:06:21.224 INFO kablam! Oct 27 03:06:21.224 INFO kablam! warning: unused variable: `mutable` Oct 27 03:06:21.224 INFO kablam! --> src/main.rs:30:9 Oct 27 03:06:21.224 INFO kablam! | Oct 27 03:06:21.224 INFO kablam! 30 | let mutable = true; Oct 27 03:06:21.224 INFO kablam! | ^^^^^^^ help: consider using `_mutable` instead Oct 27 03:06:21.224 INFO kablam! Oct 27 03:06:21.224 INFO kablam! warning: unused variable: `a` Oct 27 03:06:21.224 INFO kablam! --> src/main.rs:36:9 Oct 27 03:06:21.224 INFO kablam! | Oct 27 03:06:21.224 INFO kablam! 36 | let a = [1, 2, 3]; // a: [i32; 3] Oct 27 03:06:21.224 INFO kablam! | ^ help: consider using `_a` instead Oct 27 03:06:21.224 INFO kablam! Oct 27 03:06:21.224 INFO kablam! warning: unused variable: `middle` Oct 27 03:06:21.224 INFO kablam! --> src/main.rs:61:9 Oct 27 03:06:21.224 INFO kablam! | Oct 27 03:06:21.224 INFO kablam! 61 | let middle = &a[1..3]; Oct 27 03:06:21.224 INFO kablam! | ^^^^^^ help: consider using `_middle` instead Oct 27 03:06:21.224 INFO kablam! Oct 27 03:06:21.224 INFO kablam! warning: unused variable: `a` Oct 27 03:06:21.224 INFO kablam! --> src/main.rs:67:10 Oct 27 03:06:21.224 INFO kablam! | Oct 27 03:06:21.224 INFO kablam! 67 | let (a, b, c) = y; Oct 27 03:06:21.224 INFO kablam! | ^ help: consider using `_a` instead Oct 27 03:06:21.224 INFO kablam! Oct 27 03:06:21.224 INFO kablam! warning: unused variable: `b` Oct 27 03:06:21.224 INFO kablam! --> src/main.rs:67:13 Oct 27 03:06:21.224 INFO kablam! | Oct 27 03:06:21.224 INFO kablam! 67 | let (a, b, c) = y; Oct 27 03:06:21.224 INFO kablam! | ^ help: consider using `_b` instead Oct 27 03:06:21.224 INFO kablam! Oct 27 03:06:21.224 INFO kablam! warning: unused variable: `y` Oct 27 03:06:21.224 INFO kablam! --> src/main.rs:73:9 Oct 27 03:06:21.224 INFO kablam! | Oct 27 03:06:21.224 INFO kablam! 73 | let y = tuple.1; Oct 27 03:06:21.224 INFO kablam! | ^ help: consider using `_y` instead Oct 27 03:06:21.224 INFO kablam! Oct 27 03:06:21.224 INFO kablam! warning: unused variable: `z` Oct 27 03:06:21.224 INFO kablam! --> src/main.rs:74:9 Oct 27 03:06:21.224 INFO kablam! | Oct 27 03:06:21.224 INFO kablam! 74 | let z = tuple.2; Oct 27 03:06:21.224 INFO kablam! | ^ help: consider using `_z` instead Oct 27 03:06:21.224 INFO kablam! Oct 27 03:06:21.224 INFO kablam! warning: unused variable: `j` Oct 27 03:06:21.224 INFO kablam! --> src/main.rs:91:9 Oct 27 03:06:21.225 INFO kablam! | Oct 27 03:06:21.225 INFO kablam! 91 | let j: i32 = 0; Oct 27 03:06:21.225 INFO kablam! | ^ help: consider using `_j` instead Oct 27 03:06:21.225 INFO kablam! Oct 27 03:06:21.225 INFO kablam! warning: unused variable: `v2` Oct 27 03:06:21.225 INFO kablam! --> src/main.rs:119:9 Oct 27 03:06:21.225 INFO kablam! | Oct 27 03:06:21.225 INFO kablam! 119 | let v2 = v; Oct 27 03:06:21.225 INFO kablam! | ^^ help: consider using `_v2` instead Oct 27 03:06:21.225 INFO kablam! Oct 27 03:06:21.242 INFO kablam! warning: function is never used: `diverges` Oct 27 03:06:21.242 INFO kablam! --> src/main.rs:188:1 Oct 27 03:06:21.242 INFO kablam! | Oct 27 03:06:21.242 INFO kablam! 188 | fn diverges() -> ! { Oct 27 03:06:21.242 INFO kablam! | ^^^^^^^^^^^^^^^^^^ Oct 27 03:06:21.242 INFO kablam! | Oct 27 03:06:21.242 INFO kablam! = note: #[warn(dead_code)] on by default Oct 27 03:06:21.242 INFO kablam! Oct 27 03:06:21.256 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 0.55s Oct 27 03:06:21.260 INFO kablam! su: No module specific data is present Oct 27 03:06:21.610 INFO running `"docker" "rm" "-f" "b07cfaa3b0a0d59cb171ee8ba719a76379ae901e21d7e6008412e4d3fc089764"` Oct 27 03:06:21.708 INFO blam! b07cfaa3b0a0d59cb171ee8ba719a76379ae901e21d7e6008412e4d3fc089764