Oct 21 17:00:16.158 INFO checking java007hf/Rust_demo against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192 Oct 21 17:00:16.158 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192/worker-4/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/pr-55192/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/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 +155510e377ae2a8d8ee0dad1a5f809c9062a5526-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 21 17:00:16.460 INFO blam! d5f49a02baaeb4ca2e732168e174974c2f587742137d41916373eaa402983404 Oct 21 17:00:16.461 INFO running `"docker" "start" "-a" "d5f49a02baaeb4ca2e732168e174974c2f587742137d41916373eaa402983404"` Oct 21 17:00:16.914 INFO kablam! usermod: no changes Oct 21 17:00:16.955 INFO kablam! Checking rust_demo v0.1.0 (/source) Oct 21 17:00:17.279 INFO kablam! warning: unnecessary parentheses around `for` head expression Oct 21 17:00:17.279 INFO kablam! --> src/main.rs:214:14 Oct 21 17:00:17.279 INFO kablam! | Oct 21 17:00:17.279 INFO kablam! 214 | for x in (0..11) { Oct 21 17:00:17.279 INFO kablam! | ^^^^^^^ help: remove these parentheses Oct 21 17:00:17.279 INFO kablam! | Oct 21 17:00:17.279 INFO kablam! = note: #[warn(unused_parens)] on by default Oct 21 17:00:17.279 INFO kablam! Oct 21 17:00:17.357 INFO kablam! warning: unnecessary parentheses around `for` head expression Oct 21 17:00:17.357 INFO kablam! --> src/main.rs:214:14 Oct 21 17:00:17.357 INFO kablam! | Oct 21 17:00:17.357 INFO kablam! 214 | for x in (0..11) { Oct 21 17:00:17.357 INFO kablam! | ^^^^^^^ help: remove these parentheses Oct 21 17:00:17.357 INFO kablam! | Oct 21 17:00:17.357 INFO kablam! = note: #[warn(unused_parens)] on by default Oct 21 17:00:17.357 INFO kablam! Oct 21 17:00:17.385 INFO kablam! warning: variable `inferred_type` is assigned to, but never used Oct 21 17:00:17.385 INFO kablam! --> src/main.rs:19:13 Oct 21 17:00:17.385 INFO kablam! | Oct 21 17:00:17.385 INFO kablam! 19 | let mut inferred_type = 12; // Type i64 is inferred from another line Oct 21 17:00:17.385 INFO kablam! | ^^^^^^^^^^^^^ Oct 21 17:00:17.385 INFO kablam! | Oct 21 17:00:17.385 INFO kablam! = note: #[warn(unused_variables)] on by default Oct 21 17:00:17.385 INFO kablam! = note: consider using `_inferred_type` instead Oct 21 17:00:17.385 INFO kablam! Oct 21 17:00:17.385 INFO kablam! warning: value assigned to `inferred_type` is never read Oct 21 17:00:17.385 INFO kablam! --> src/main.rs:20:5 Oct 21 17:00:17.385 INFO kablam! | Oct 21 17:00:17.385 INFO kablam! 20 | inferred_type = 4294967296i64; Oct 21 17:00:17.385 INFO kablam! | ^^^^^^^^^^^^^ Oct 21 17:00:17.385 INFO kablam! | Oct 21 17:00:17.385 INFO kablam! = note: #[warn(unused_assignments)] on by default Oct 21 17:00:17.385 INFO kablam! Oct 21 17:00:17.385 INFO kablam! warning: variable `mutable` is assigned to, but never used Oct 21 17:00:17.385 INFO kablam! --> src/main.rs:23:13 Oct 21 17:00:17.385 INFO kablam! | Oct 21 17:00:17.385 INFO kablam! 23 | let mut mutable = 12; // Mutable `i32` Oct 21 17:00:17.385 INFO kablam! | ^^^^^^^ Oct 21 17:00:17.385 INFO kablam! | Oct 21 17:00:17.385 INFO kablam! = note: consider using `_mutable` instead Oct 21 17:00:17.385 INFO kablam! Oct 21 17:00:17.385 INFO kablam! warning: value assigned to `mutable` is never read Oct 21 17:00:17.385 INFO kablam! --> src/main.rs:24:5 Oct 21 17:00:17.385 INFO kablam! | Oct 21 17:00:17.385 INFO kablam! 24 | mutable = 21; Oct 21 17:00:17.385 INFO kablam! | ^^^^^^^ Oct 21 17:00:17.385 INFO kablam! Oct 21 17:00:17.385 INFO kablam! warning: value assigned to `mutable` is never read Oct 21 17:00:17.385 INFO kablam! --> src/main.rs:27:5 Oct 21 17:00:17.385 INFO kablam! | Oct 21 17:00:17.385 INFO kablam! 27 | mutable = 11; Oct 21 17:00:17.385 INFO kablam! | ^^^^^^^ Oct 21 17:00:17.385 INFO kablam! Oct 21 17:00:17.385 INFO kablam! warning: unused variable: `mutable` Oct 21 17:00:17.385 INFO kablam! --> src/main.rs:30:9 Oct 21 17:00:17.385 INFO kablam! | Oct 21 17:00:17.385 INFO kablam! 30 | let mutable = true; Oct 21 17:00:17.385 INFO kablam! | ^^^^^^^ help: consider using `_mutable` instead Oct 21 17:00:17.385 INFO kablam! Oct 21 17:00:17.385 INFO kablam! warning: unused variable: `a` Oct 21 17:00:17.385 INFO kablam! --> src/main.rs:36:9 Oct 21 17:00:17.385 INFO kablam! | Oct 21 17:00:17.385 INFO kablam! 36 | let a = [1, 2, 3]; // a: [i32; 3] Oct 21 17:00:17.385 INFO kablam! | ^ help: consider using `_a` instead Oct 21 17:00:17.385 INFO kablam! Oct 21 17:00:17.385 INFO kablam! warning: unused variable: `middle` Oct 21 17:00:17.385 INFO kablam! --> src/main.rs:61:9 Oct 21 17:00:17.385 INFO kablam! | Oct 21 17:00:17.385 INFO kablam! 61 | let middle = &a[1..3]; Oct 21 17:00:17.385 INFO kablam! | ^^^^^^ help: consider using `_middle` instead Oct 21 17:00:17.385 INFO kablam! Oct 21 17:00:17.388 INFO kablam! warning: unused variable: `a` Oct 21 17:00:17.388 INFO kablam! --> src/main.rs:67:10 Oct 21 17:00:17.389 INFO kablam! | Oct 21 17:00:17.389 INFO kablam! 67 | let (a, b, c) = y; Oct 21 17:00:17.389 INFO kablam! | ^ help: consider using `_a` instead Oct 21 17:00:17.389 INFO kablam! Oct 21 17:00:17.389 INFO kablam! warning: unused variable: `b` Oct 21 17:00:17.389 INFO kablam! --> src/main.rs:67:13 Oct 21 17:00:17.389 INFO kablam! | Oct 21 17:00:17.389 INFO kablam! 67 | let (a, b, c) = y; Oct 21 17:00:17.389 INFO kablam! | ^ help: consider using `_b` instead Oct 21 17:00:17.389 INFO kablam! Oct 21 17:00:17.389 INFO kablam! warning: unused variable: `y` Oct 21 17:00:17.389 INFO kablam! --> src/main.rs:73:9 Oct 21 17:00:17.389 INFO kablam! | Oct 21 17:00:17.389 INFO kablam! 73 | let y = tuple.1; Oct 21 17:00:17.389 INFO kablam! | ^ help: consider using `_y` instead Oct 21 17:00:17.389 INFO kablam! Oct 21 17:00:17.389 INFO kablam! warning: unused variable: `z` Oct 21 17:00:17.389 INFO kablam! --> src/main.rs:74:9 Oct 21 17:00:17.389 INFO kablam! | Oct 21 17:00:17.389 INFO kablam! 74 | let z = tuple.2; Oct 21 17:00:17.389 INFO kablam! | ^ help: consider using `_z` instead Oct 21 17:00:17.389 INFO kablam! Oct 21 17:00:17.389 INFO kablam! warning: unused variable: `j` Oct 21 17:00:17.390 INFO kablam! --> src/main.rs:91:9 Oct 21 17:00:17.390 INFO kablam! | Oct 21 17:00:17.390 INFO kablam! 91 | let j: i32 = 0; Oct 21 17:00:17.390 INFO kablam! | ^ help: consider using `_j` instead Oct 21 17:00:17.390 INFO kablam! Oct 21 17:00:17.390 INFO kablam! warning: unused variable: `v2` Oct 21 17:00:17.390 INFO kablam! --> src/main.rs:119:9 Oct 21 17:00:17.390 INFO kablam! | Oct 21 17:00:17.390 INFO kablam! 119 | let v2 = v; Oct 21 17:00:17.390 INFO kablam! | ^^ help: consider using `_v2` instead Oct 21 17:00:17.390 INFO kablam! Oct 21 17:00:17.406 INFO kablam! warning: function is never used: `diverges` Oct 21 17:00:17.406 INFO kablam! --> src/main.rs:188:1 Oct 21 17:00:17.406 INFO kablam! | Oct 21 17:00:17.406 INFO kablam! 188 | fn diverges() -> ! { Oct 21 17:00:17.406 INFO kablam! | ^^^^^^^^^^^^^^^^^^ Oct 21 17:00:17.406 INFO kablam! | Oct 21 17:00:17.406 INFO kablam! = note: #[warn(dead_code)] on by default Oct 21 17:00:17.406 INFO kablam! Oct 21 17:00:17.491 INFO kablam! warning: variable `inferred_type` is assigned to, but never used Oct 21 17:00:17.491 INFO kablam! --> src/main.rs:19:13 Oct 21 17:00:17.491 INFO kablam! | Oct 21 17:00:17.491 INFO kablam! 19 | let mut inferred_type = 12; // Type i64 is inferred from another line Oct 21 17:00:17.491 INFO kablam! | ^^^^^^^^^^^^^ Oct 21 17:00:17.491 INFO kablam! | Oct 21 17:00:17.491 INFO kablam! = note: #[warn(unused_variables)] on by default Oct 21 17:00:17.491 INFO kablam! = note: consider using `_inferred_type` instead Oct 21 17:00:17.491 INFO kablam! Oct 21 17:00:17.491 INFO kablam! warning: value assigned to `inferred_type` is never read Oct 21 17:00:17.491 INFO kablam! --> src/main.rs:20:5 Oct 21 17:00:17.491 INFO kablam! | Oct 21 17:00:17.491 INFO kablam! 20 | inferred_type = 4294967296i64; Oct 21 17:00:17.491 INFO kablam! | ^^^^^^^^^^^^^ Oct 21 17:00:17.491 INFO kablam! | Oct 21 17:00:17.491 INFO kablam! = note: #[warn(unused_assignments)] on by default Oct 21 17:00:17.491 INFO kablam! Oct 21 17:00:17.491 INFO kablam! warning: variable `mutable` is assigned to, but never used Oct 21 17:00:17.491 INFO kablam! --> src/main.rs:23:13 Oct 21 17:00:17.491 INFO kablam! | Oct 21 17:00:17.491 INFO kablam! 23 | let mut mutable = 12; // Mutable `i32` Oct 21 17:00:17.491 INFO kablam! | ^^^^^^^ Oct 21 17:00:17.491 INFO kablam! | Oct 21 17:00:17.491 INFO kablam! = note: consider using `_mutable` instead Oct 21 17:00:17.491 INFO kablam! Oct 21 17:00:17.491 INFO kablam! warning: value assigned to `mutable` is never read Oct 21 17:00:17.491 INFO kablam! --> src/main.rs:24:5 Oct 21 17:00:17.491 INFO kablam! | Oct 21 17:00:17.491 INFO kablam! 24 | mutable = 21; Oct 21 17:00:17.491 INFO kablam! | ^^^^^^^ Oct 21 17:00:17.491 INFO kablam! Oct 21 17:00:17.492 INFO kablam! warning: value assigned to `mutable` is never read Oct 21 17:00:17.492 INFO kablam! --> src/main.rs:27:5 Oct 21 17:00:17.492 INFO kablam! | Oct 21 17:00:17.492 INFO kablam! 27 | mutable = 11; Oct 21 17:00:17.492 INFO kablam! | ^^^^^^^ Oct 21 17:00:17.492 INFO kablam! Oct 21 17:00:17.492 INFO kablam! warning: unused variable: `mutable` Oct 21 17:00:17.492 INFO kablam! --> src/main.rs:30:9 Oct 21 17:00:17.492 INFO kablam! | Oct 21 17:00:17.492 INFO kablam! 30 | let mutable = true; Oct 21 17:00:17.492 INFO kablam! | ^^^^^^^ help: consider using `_mutable` instead Oct 21 17:00:17.492 INFO kablam! Oct 21 17:00:17.492 INFO kablam! warning: unused variable: `a` Oct 21 17:00:17.492 INFO kablam! --> src/main.rs:36:9 Oct 21 17:00:17.492 INFO kablam! | Oct 21 17:00:17.492 INFO kablam! 36 | let a = [1, 2, 3]; // a: [i32; 3] Oct 21 17:00:17.492 INFO kablam! | ^ help: consider using `_a` instead Oct 21 17:00:17.492 INFO kablam! Oct 21 17:00:17.492 INFO kablam! warning: unused variable: `middle` Oct 21 17:00:17.492 INFO kablam! --> src/main.rs:61:9 Oct 21 17:00:17.492 INFO kablam! | Oct 21 17:00:17.492 INFO kablam! 61 | let middle = &a[1..3]; Oct 21 17:00:17.492 INFO kablam! | ^^^^^^ help: consider using `_middle` instead Oct 21 17:00:17.492 INFO kablam! Oct 21 17:00:17.492 INFO kablam! warning: unused variable: `a` Oct 21 17:00:17.492 INFO kablam! --> src/main.rs:67:10 Oct 21 17:00:17.492 INFO kablam! | Oct 21 17:00:17.492 INFO kablam! 67 | let (a, b, c) = y; Oct 21 17:00:17.492 INFO kablam! | ^ help: consider using `_a` instead Oct 21 17:00:17.492 INFO kablam! Oct 21 17:00:17.492 INFO kablam! warning: unused variable: `b` Oct 21 17:00:17.492 INFO kablam! --> src/main.rs:67:13 Oct 21 17:00:17.492 INFO kablam! | Oct 21 17:00:17.492 INFO kablam! 67 | let (a, b, c) = y; Oct 21 17:00:17.492 INFO kablam! | ^ help: consider using `_b` instead Oct 21 17:00:17.492 INFO kablam! Oct 21 17:00:17.493 INFO kablam! warning: unused variable: `y` Oct 21 17:00:17.493 INFO kablam! --> src/main.rs:73:9 Oct 21 17:00:17.493 INFO kablam! | Oct 21 17:00:17.493 INFO kablam! 73 | let y = tuple.1; Oct 21 17:00:17.493 INFO kablam! | ^ help: consider using `_y` instead Oct 21 17:00:17.493 INFO kablam! Oct 21 17:00:17.493 INFO kablam! warning: unused variable: `z` Oct 21 17:00:17.493 INFO kablam! --> src/main.rs:74:9 Oct 21 17:00:17.493 INFO kablam! | Oct 21 17:00:17.493 INFO kablam! 74 | let z = tuple.2; Oct 21 17:00:17.493 INFO kablam! | ^ help: consider using `_z` instead Oct 21 17:00:17.493 INFO kablam! Oct 21 17:00:17.493 INFO kablam! warning: unused variable: `j` Oct 21 17:00:17.493 INFO kablam! --> src/main.rs:91:9 Oct 21 17:00:17.493 INFO kablam! | Oct 21 17:00:17.493 INFO kablam! 91 | let j: i32 = 0; Oct 21 17:00:17.493 INFO kablam! | ^ help: consider using `_j` instead Oct 21 17:00:17.493 INFO kablam! Oct 21 17:00:17.493 INFO kablam! warning: unused variable: `v2` Oct 21 17:00:17.493 INFO kablam! --> src/main.rs:119:9 Oct 21 17:00:17.493 INFO kablam! | Oct 21 17:00:17.493 INFO kablam! 119 | let v2 = v; Oct 21 17:00:17.493 INFO kablam! | ^^ help: consider using `_v2` instead Oct 21 17:00:17.493 INFO kablam! Oct 21 17:00:17.518 INFO kablam! warning: function is never used: `diverges` Oct 21 17:00:17.518 INFO kablam! --> src/main.rs:188:1 Oct 21 17:00:17.518 INFO kablam! | Oct 21 17:00:17.518 INFO kablam! 188 | fn diverges() -> ! { Oct 21 17:00:17.518 INFO kablam! | ^^^^^^^^^^^^^^^^^^ Oct 21 17:00:17.518 INFO kablam! | Oct 21 17:00:17.518 INFO kablam! = note: #[warn(dead_code)] on by default Oct 21 17:00:17.518 INFO kablam! Oct 21 17:00:17.536 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 0.60s Oct 21 17:00:17.538 INFO kablam! su: No module specific data is present Oct 21 17:00:17.778 INFO running `"docker" "rm" "-f" "d5f49a02baaeb4ca2e732168e174974c2f587742137d41916373eaa402983404"` Oct 21 17:00:17.864 INFO blam! d5f49a02baaeb4ca2e732168e174974c2f587742137d41916373eaa402983404