Nov 17 00:01:58.215 INFO testing java007hf/Rust_demo against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982 Nov 17 00:01:58.215 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt build --frozen" "-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 17 00:01:58.462 INFO [stdout] f428ad2941136c77820f44a98165a65e2f8bd87874a3908fdba1d7e328ae65fb Nov 17 00:01:58.464 INFO running `"docker" "start" "-a" "f428ad2941136c77820f44a98165a65e2f8bd87874a3908fdba1d7e328ae65fb"` Nov 17 00:01:58.851 INFO [stderr] usermod: no changes Nov 17 00:01:58.887 INFO [stderr] Compiling rust_demo v0.1.0 (/source) Nov 17 00:01:59.133 INFO [stderr] warning: unnecessary parentheses around `for` head expression Nov 17 00:01:59.133 INFO [stderr] --> src/main.rs:214:14 Nov 17 00:01:59.133 INFO [stderr] | Nov 17 00:01:59.133 INFO [stderr] 214 | for x in (0..11) { Nov 17 00:01:59.133 INFO [stderr] | ^^^^^^^ help: remove these parentheses Nov 17 00:01:59.133 INFO [stderr] | Nov 17 00:01:59.133 INFO [stderr] = note: #[warn(unused_parens)] on by default Nov 17 00:01:59.133 INFO [stderr] Nov 17 00:01:59.295 INFO [stderr] warning: variable `inferred_type` is assigned to, but never used Nov 17 00:01:59.295 INFO [stderr] --> src/main.rs:19:13 Nov 17 00:01:59.295 INFO [stderr] | Nov 17 00:01:59.295 INFO [stderr] 19 | let mut inferred_type = 12; // Type i64 is inferred from another line Nov 17 00:01:59.295 INFO [stderr] | ^^^^^^^^^^^^^ Nov 17 00:01:59.295 INFO [stderr] | Nov 17 00:01:59.295 INFO [stderr] = note: #[warn(unused_variables)] on by default Nov 17 00:01:59.295 INFO [stderr] = note: consider using `_inferred_type` instead Nov 17 00:01:59.295 INFO [stderr] Nov 17 00:01:59.295 INFO [stderr] warning: value assigned to `inferred_type` is never read Nov 17 00:01:59.295 INFO [stderr] --> src/main.rs:20:5 Nov 17 00:01:59.295 INFO [stderr] | Nov 17 00:01:59.295 INFO [stderr] 20 | inferred_type = 4294967296i64; Nov 17 00:01:59.295 INFO [stderr] | ^^^^^^^^^^^^^ Nov 17 00:01:59.295 INFO [stderr] | Nov 17 00:01:59.295 INFO [stderr] = note: #[warn(unused_assignments)] on by default Nov 17 00:01:59.295 INFO [stderr] Nov 17 00:01:59.295 INFO [stderr] warning: variable `mutable` is assigned to, but never used Nov 17 00:01:59.295 INFO [stderr] --> src/main.rs:23:13 Nov 17 00:01:59.295 INFO [stderr] | Nov 17 00:01:59.295 INFO [stderr] 23 | let mut mutable = 12; // Mutable `i32` Nov 17 00:01:59.295 INFO [stderr] | ^^^^^^^ Nov 17 00:01:59.295 INFO [stderr] | Nov 17 00:01:59.295 INFO [stderr] = note: consider using `_mutable` instead Nov 17 00:01:59.295 INFO [stderr] Nov 17 00:01:59.295 INFO [stderr] warning: value assigned to `mutable` is never read Nov 17 00:01:59.295 INFO [stderr] --> src/main.rs:24:5 Nov 17 00:01:59.295 INFO [stderr] | Nov 17 00:01:59.295 INFO [stderr] 24 | mutable = 21; Nov 17 00:01:59.295 INFO [stderr] | ^^^^^^^ Nov 17 00:01:59.295 INFO [stderr] Nov 17 00:01:59.295 INFO [stderr] warning: value assigned to `mutable` is never read Nov 17 00:01:59.295 INFO [stderr] --> src/main.rs:27:5 Nov 17 00:01:59.295 INFO [stderr] | Nov 17 00:01:59.295 INFO [stderr] 27 | mutable = 11; Nov 17 00:01:59.295 INFO [stderr] | ^^^^^^^ Nov 17 00:01:59.295 INFO [stderr] Nov 17 00:01:59.295 INFO [stderr] warning: unused variable: `mutable` Nov 17 00:01:59.295 INFO [stderr] --> src/main.rs:30:9 Nov 17 00:01:59.295 INFO [stderr] | Nov 17 00:01:59.295 INFO [stderr] 30 | let mutable = true; Nov 17 00:01:59.295 INFO [stderr] | ^^^^^^^ help: consider using `_mutable` instead Nov 17 00:01:59.295 INFO [stderr] Nov 17 00:01:59.295 INFO [stderr] warning: unused variable: `a` Nov 17 00:01:59.295 INFO [stderr] --> src/main.rs:36:9 Nov 17 00:01:59.295 INFO [stderr] | Nov 17 00:01:59.295 INFO [stderr] 36 | let a = [1, 2, 3]; // a: [i32; 3] Nov 17 00:01:59.295 INFO [stderr] | ^ help: consider using `_a` instead Nov 17 00:01:59.295 INFO [stderr] Nov 17 00:01:59.295 INFO [stderr] warning: unused variable: `middle` Nov 17 00:01:59.295 INFO [stderr] --> src/main.rs:61:9 Nov 17 00:01:59.295 INFO [stderr] | Nov 17 00:01:59.295 INFO [stderr] 61 | let middle = &a[1..3]; Nov 17 00:01:59.295 INFO [stderr] | ^^^^^^ help: consider using `_middle` instead Nov 17 00:01:59.295 INFO [stderr] Nov 17 00:01:59.295 INFO [stderr] warning: unused variable: `a` Nov 17 00:01:59.295 INFO [stderr] --> src/main.rs:67:10 Nov 17 00:01:59.295 INFO [stderr] | Nov 17 00:01:59.295 INFO [stderr] 67 | let (a, b, c) = y; Nov 17 00:01:59.295 INFO [stderr] | ^ help: consider using `_a` instead Nov 17 00:01:59.295 INFO [stderr] Nov 17 00:01:59.295 INFO [stderr] warning: unused variable: `b` Nov 17 00:01:59.295 INFO [stderr] --> src/main.rs:67:13 Nov 17 00:01:59.295 INFO [stderr] | Nov 17 00:01:59.295 INFO [stderr] 67 | let (a, b, c) = y; Nov 17 00:01:59.295 INFO [stderr] | ^ help: consider using `_b` instead Nov 17 00:01:59.295 INFO [stderr] Nov 17 00:01:59.295 INFO [stderr] warning: unused variable: `y` Nov 17 00:01:59.295 INFO [stderr] --> src/main.rs:73:9 Nov 17 00:01:59.295 INFO [stderr] | Nov 17 00:01:59.295 INFO [stderr] 73 | let y = tuple.1; Nov 17 00:01:59.295 INFO [stderr] | ^ help: consider using `_y` instead Nov 17 00:01:59.295 INFO [stderr] Nov 17 00:01:59.295 INFO [stderr] warning: unused variable: `z` Nov 17 00:01:59.295 INFO [stderr] --> src/main.rs:74:9 Nov 17 00:01:59.295 INFO [stderr] | Nov 17 00:01:59.295 INFO [stderr] 74 | let z = tuple.2; Nov 17 00:01:59.296 INFO [stderr] | ^ help: consider using `_z` instead Nov 17 00:01:59.296 INFO [stderr] Nov 17 00:01:59.296 INFO [stderr] warning: unused variable: `j` Nov 17 00:01:59.296 INFO [stderr] --> src/main.rs:91:9 Nov 17 00:01:59.296 INFO [stderr] | Nov 17 00:01:59.296 INFO [stderr] 91 | let j: i32 = 0; Nov 17 00:01:59.296 INFO [stderr] | ^ help: consider using `_j` instead Nov 17 00:01:59.296 INFO [stderr] Nov 17 00:01:59.296 INFO [stderr] warning: unused variable: `v2` Nov 17 00:01:59.296 INFO [stderr] --> src/main.rs:119:9 Nov 17 00:01:59.296 INFO [stderr] | Nov 17 00:01:59.296 INFO [stderr] 119 | let v2 = v; Nov 17 00:01:59.296 INFO [stderr] | ^^ help: consider using `_v2` instead Nov 17 00:01:59.296 INFO [stderr] Nov 17 00:01:59.322 INFO [stderr] warning: function is never used: `diverges` Nov 17 00:01:59.322 INFO [stderr] --> src/main.rs:188:1 Nov 17 00:01:59.322 INFO [stderr] | Nov 17 00:01:59.322 INFO [stderr] 188 | fn diverges() -> ! { Nov 17 00:01:59.322 INFO [stderr] | ^^^^^^^^^^^^^^^^^^ Nov 17 00:01:59.322 INFO [stderr] | Nov 17 00:01:59.322 INFO [stderr] = note: #[warn(dead_code)] on by default Nov 17 00:01:59.322 INFO [stderr] Nov 17 00:01:59.730 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.86s Nov 17 00:01:59.734 INFO [stderr] su: No module specific data is present Nov 17 00:02:00.403 INFO running `"docker" "inspect" "f428ad2941136c77820f44a98165a65e2f8bd87874a3908fdba1d7e328ae65fb"` Nov 17 00:02:00.552 INFO running `"docker" "rm" "-f" "f428ad2941136c77820f44a98165a65e2f8bd87874a3908fdba1d7e328ae65fb"` Nov 17 00:02:00.618 INFO [stdout] f428ad2941136c77820f44a98165a65e2f8bd87874a3908fdba1d7e328ae65fb Nov 17 00:02:00.619 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt test --frozen --no-run" "-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 17 00:02:00.832 INFO [stdout] 94ce7bd6cd327de82f221c793fb7c84cd1976dee0462942254fd724501b23645 Nov 17 00:02:00.833 INFO running `"docker" "start" "-a" "94ce7bd6cd327de82f221c793fb7c84cd1976dee0462942254fd724501b23645"` Nov 17 00:02:01.322 INFO [stderr] usermod: no changes Nov 17 00:02:01.362 INFO [stderr] Compiling rust_demo v0.1.0 (/source) Nov 17 00:02:01.623 INFO [stderr] warning: unnecessary parentheses around `for` head expression Nov 17 00:02:01.623 INFO [stderr] --> src/main.rs:214:14 Nov 17 00:02:01.623 INFO [stderr] | Nov 17 00:02:01.623 INFO [stderr] 214 | for x in (0..11) { Nov 17 00:02:01.623 INFO [stderr] | ^^^^^^^ help: remove these parentheses Nov 17 00:02:01.623 INFO [stderr] | Nov 17 00:02:01.623 INFO [stderr] = note: #[warn(unused_parens)] on by default Nov 17 00:02:01.623 INFO [stderr] Nov 17 00:02:01.745 INFO [stderr] warning: variable `inferred_type` is assigned to, but never used Nov 17 00:02:01.745 INFO [stderr] --> src/main.rs:19:13 Nov 17 00:02:01.745 INFO [stderr] | Nov 17 00:02:01.745 INFO [stderr] 19 | let mut inferred_type = 12; // Type i64 is inferred from another line Nov 17 00:02:01.745 INFO [stderr] | ^^^^^^^^^^^^^ Nov 17 00:02:01.745 INFO [stderr] | Nov 17 00:02:01.745 INFO [stderr] = note: #[warn(unused_variables)] on by default Nov 17 00:02:01.745 INFO [stderr] = note: consider using `_inferred_type` instead Nov 17 00:02:01.745 INFO [stderr] Nov 17 00:02:01.745 INFO [stderr] warning: value assigned to `inferred_type` is never read Nov 17 00:02:01.745 INFO [stderr] --> src/main.rs:20:5 Nov 17 00:02:01.745 INFO [stderr] | Nov 17 00:02:01.745 INFO [stderr] 20 | inferred_type = 4294967296i64; Nov 17 00:02:01.745 INFO [stderr] | ^^^^^^^^^^^^^ Nov 17 00:02:01.745 INFO [stderr] | Nov 17 00:02:01.745 INFO [stderr] = note: #[warn(unused_assignments)] on by default Nov 17 00:02:01.745 INFO [stderr] Nov 17 00:02:01.745 INFO [stderr] warning: variable `mutable` is assigned to, but never used Nov 17 00:02:01.745 INFO [stderr] --> src/main.rs:23:13 Nov 17 00:02:01.745 INFO [stderr] | Nov 17 00:02:01.745 INFO [stderr] 23 | let mut mutable = 12; // Mutable `i32` Nov 17 00:02:01.745 INFO [stderr] | ^^^^^^^ Nov 17 00:02:01.745 INFO [stderr] | Nov 17 00:02:01.745 INFO [stderr] = note: consider using `_mutable` instead Nov 17 00:02:01.745 INFO [stderr] Nov 17 00:02:01.745 INFO [stderr] warning: value assigned to `mutable` is never read Nov 17 00:02:01.745 INFO [stderr] --> src/main.rs:24:5 Nov 17 00:02:01.745 INFO [stderr] | Nov 17 00:02:01.745 INFO [stderr] 24 | mutable = 21; Nov 17 00:02:01.745 INFO [stderr] | ^^^^^^^ Nov 17 00:02:01.745 INFO [stderr] Nov 17 00:02:01.751 INFO [stderr] warning: value assigned to `mutable` is never read Nov 17 00:02:01.751 INFO [stderr] --> src/main.rs:27:5 Nov 17 00:02:01.751 INFO [stderr] | Nov 17 00:02:01.751 INFO [stderr] 27 | mutable = 11; Nov 17 00:02:01.751 INFO [stderr] | ^^^^^^^ Nov 17 00:02:01.751 INFO [stderr] Nov 17 00:02:01.751 INFO [stderr] warning: unused variable: `mutable` Nov 17 00:02:01.751 INFO [stderr] --> src/main.rs:30:9 Nov 17 00:02:01.751 INFO [stderr] | Nov 17 00:02:01.751 INFO [stderr] 30 | let mutable = true; Nov 17 00:02:01.751 INFO [stderr] | ^^^^^^^ help: consider using `_mutable` instead Nov 17 00:02:01.751 INFO [stderr] Nov 17 00:02:01.751 INFO [stderr] warning: unused variable: `a` Nov 17 00:02:01.751 INFO [stderr] --> src/main.rs:36:9 Nov 17 00:02:01.751 INFO [stderr] | Nov 17 00:02:01.751 INFO [stderr] 36 | let a = [1, 2, 3]; // a: [i32; 3] Nov 17 00:02:01.751 INFO [stderr] | ^ help: consider using `_a` instead Nov 17 00:02:01.751 INFO [stderr] Nov 17 00:02:01.751 INFO [stderr] warning: unused variable: `middle` Nov 17 00:02:01.751 INFO [stderr] --> src/main.rs:61:9 Nov 17 00:02:01.751 INFO [stderr] | Nov 17 00:02:01.751 INFO [stderr] 61 | let middle = &a[1..3]; Nov 17 00:02:01.751 INFO [stderr] | ^^^^^^ help: consider using `_middle` instead Nov 17 00:02:01.751 INFO [stderr] Nov 17 00:02:01.751 INFO [stderr] warning: unused variable: `a` Nov 17 00:02:01.751 INFO [stderr] --> src/main.rs:67:10 Nov 17 00:02:01.751 INFO [stderr] | Nov 17 00:02:01.751 INFO [stderr] 67 | let (a, b, c) = y; Nov 17 00:02:01.751 INFO [stderr] | ^ help: consider using `_a` instead Nov 17 00:02:01.751 INFO [stderr] Nov 17 00:02:01.751 INFO [stderr] warning: unused variable: `b` Nov 17 00:02:01.751 INFO [stderr] --> src/main.rs:67:13 Nov 17 00:02:01.751 INFO [stderr] | Nov 17 00:02:01.751 INFO [stderr] 67 | let (a, b, c) = y; Nov 17 00:02:01.751 INFO [stderr] | ^ help: consider using `_b` instead Nov 17 00:02:01.751 INFO [stderr] Nov 17 00:02:01.751 INFO [stderr] warning: unused variable: `y` Nov 17 00:02:01.751 INFO [stderr] --> src/main.rs:73:9 Nov 17 00:02:01.751 INFO [stderr] | Nov 17 00:02:01.751 INFO [stderr] 73 | let y = tuple.1; Nov 17 00:02:01.751 INFO [stderr] | ^ help: consider using `_y` instead Nov 17 00:02:01.751 INFO [stderr] Nov 17 00:02:01.751 INFO [stderr] warning: unused variable: `z` Nov 17 00:02:01.751 INFO [stderr] --> src/main.rs:74:9 Nov 17 00:02:01.751 INFO [stderr] | Nov 17 00:02:01.751 INFO [stderr] 74 | let z = tuple.2; Nov 17 00:02:01.751 INFO [stderr] | ^ help: consider using `_z` instead Nov 17 00:02:01.751 INFO [stderr] Nov 17 00:02:01.751 INFO [stderr] warning: unused variable: `j` Nov 17 00:02:01.751 INFO [stderr] --> src/main.rs:91:9 Nov 17 00:02:01.752 INFO [stderr] | Nov 17 00:02:01.752 INFO [stderr] 91 | let j: i32 = 0; Nov 17 00:02:01.752 INFO [stderr] | ^ help: consider using `_j` instead Nov 17 00:02:01.752 INFO [stderr] Nov 17 00:02:01.752 INFO [stderr] warning: unused variable: `v2` Nov 17 00:02:01.752 INFO [stderr] --> src/main.rs:119:9 Nov 17 00:02:01.752 INFO [stderr] | Nov 17 00:02:01.752 INFO [stderr] 119 | let v2 = v; Nov 17 00:02:01.752 INFO [stderr] | ^^ help: consider using `_v2` instead Nov 17 00:02:01.752 INFO [stderr] Nov 17 00:02:01.775 INFO [stderr] warning: function is never used: `diverges` Nov 17 00:02:01.775 INFO [stderr] --> src/main.rs:188:1 Nov 17 00:02:01.775 INFO [stderr] | Nov 17 00:02:01.775 INFO [stderr] 188 | fn diverges() -> ! { Nov 17 00:02:01.775 INFO [stderr] | ^^^^^^^^^^^^^^^^^^ Nov 17 00:02:01.775 INFO [stderr] | Nov 17 00:02:01.775 INFO [stderr] = note: #[warn(dead_code)] on by default Nov 17 00:02:01.775 INFO [stderr] Nov 17 00:02:02.008 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.66s Nov 17 00:02:02.011 INFO [stderr] su: No module specific data is present Nov 17 00:02:02.316 INFO running `"docker" "inspect" "94ce7bd6cd327de82f221c793fb7c84cd1976dee0462942254fd724501b23645"` Nov 17 00:02:02.399 INFO running `"docker" "rm" "-f" "94ce7bd6cd327de82f221c793fb7c84cd1976dee0462942254fd724501b23645"` Nov 17 00:02:02.477 INFO [stdout] 94ce7bd6cd327de82f221c793fb7c84cd1976dee0462942254fd724501b23645 Nov 17 00:02:02.480 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt test --frozen" "-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 17 00:02:02.666 INFO [stdout] a321f47fea999c7a8a4c6ad06b8021e4ab85b8c3e261081fa0cd8fc981e29979 Nov 17 00:02:02.675 INFO running `"docker" "start" "-a" "a321f47fea999c7a8a4c6ad06b8021e4ab85b8c3e261081fa0cd8fc981e29979"` Nov 17 00:02:03.151 INFO [stderr] usermod: no changes Nov 17 00:02:03.187 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s Nov 17 00:02:03.190 INFO [stderr] Running /target/debug/deps/rust_demo-69da00f79784afbf Nov 17 00:02:03.196 INFO [stdout] Nov 17 00:02:03.197 INFO [stdout] running 0 tests Nov 17 00:02:03.197 INFO [stdout] Nov 17 00:02:03.198 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Nov 17 00:02:03.198 INFO [stdout] Nov 17 00:02:03.198 INFO [stderr] su: No module specific data is present Nov 17 00:02:03.672 INFO running `"docker" "inspect" "a321f47fea999c7a8a4c6ad06b8021e4ab85b8c3e261081fa0cd8fc981e29979"` Nov 17 00:02:03.768 INFO running `"docker" "rm" "-f" "a321f47fea999c7a8a4c6ad06b8021e4ab85b8c3e261081fa0cd8fc981e29979"` Nov 17 00:02:03.867 INFO [stdout] a321f47fea999c7a8a4c6ad06b8021e4ab85b8c3e261081fa0cd8fc981e29979