Dec 05 20:13:16.633 INFO testing java007hf/Rust_demo against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514 Dec 05 20:13:16.633 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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"` Dec 05 20:13:16.802 INFO [stdout] ed1b146fae1431284986648f729719ab387293de8664de5ec2fbf33cd4238a43 Dec 05 20:13:16.808 INFO running `"docker" "start" "-a" "ed1b146fae1431284986648f729719ab387293de8664de5ec2fbf33cd4238a43"` Dec 05 20:13:17.332 INFO [stderr] usermod: no changes Dec 05 20:13:17.389 INFO [stderr] Compiling rust_demo v0.1.0 (/source) Dec 05 20:13:17.615 INFO [stderr] warning: unnecessary parentheses around `for` head expression Dec 05 20:13:17.615 INFO [stderr] --> src/main.rs:214:14 Dec 05 20:13:17.615 INFO [stderr] | Dec 05 20:13:17.615 INFO [stderr] 214 | for x in (0..11) { Dec 05 20:13:17.615 INFO [stderr] | ^^^^^^^ help: remove these parentheses Dec 05 20:13:17.615 INFO [stderr] | Dec 05 20:13:17.615 INFO [stderr] = note: #[warn(unused_parens)] on by default Dec 05 20:13:17.615 INFO [stderr] Dec 05 20:13:17.709 INFO [stderr] warning: variable `inferred_type` is assigned to, but never used Dec 05 20:13:17.709 INFO [stderr] --> src/main.rs:19:13 Dec 05 20:13:17.709 INFO [stderr] | Dec 05 20:13:17.709 INFO [stderr] 19 | let mut inferred_type = 12; // Type i64 is inferred from another line Dec 05 20:13:17.709 INFO [stderr] | ^^^^^^^^^^^^^ Dec 05 20:13:17.709 INFO [stderr] | Dec 05 20:13:17.709 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 05 20:13:17.709 INFO [stderr] = note: consider using `_inferred_type` instead Dec 05 20:13:17.709 INFO [stderr] Dec 05 20:13:17.709 INFO [stderr] warning: value assigned to `inferred_type` is never read Dec 05 20:13:17.709 INFO [stderr] --> src/main.rs:20:5 Dec 05 20:13:17.709 INFO [stderr] | Dec 05 20:13:17.709 INFO [stderr] 20 | inferred_type = 4294967296i64; Dec 05 20:13:17.709 INFO [stderr] | ^^^^^^^^^^^^^ Dec 05 20:13:17.709 INFO [stderr] | Dec 05 20:13:17.709 INFO [stderr] = note: #[warn(unused_assignments)] on by default Dec 05 20:13:17.709 INFO [stderr] Dec 05 20:13:17.709 INFO [stderr] warning: variable `mutable` is assigned to, but never used Dec 05 20:13:17.709 INFO [stderr] --> src/main.rs:23:13 Dec 05 20:13:17.709 INFO [stderr] | Dec 05 20:13:17.709 INFO [stderr] 23 | let mut mutable = 12; // Mutable `i32` Dec 05 20:13:17.709 INFO [stderr] | ^^^^^^^ Dec 05 20:13:17.709 INFO [stderr] | Dec 05 20:13:17.709 INFO [stderr] = note: consider using `_mutable` instead Dec 05 20:13:17.709 INFO [stderr] Dec 05 20:13:17.712 INFO [stderr] warning: value assigned to `mutable` is never read Dec 05 20:13:17.712 INFO [stderr] --> src/main.rs:24:5 Dec 05 20:13:17.712 INFO [stderr] | Dec 05 20:13:17.712 INFO [stderr] 24 | mutable = 21; Dec 05 20:13:17.712 INFO [stderr] | ^^^^^^^ Dec 05 20:13:17.712 INFO [stderr] Dec 05 20:13:17.712 INFO [stderr] warning: value assigned to `mutable` is never read Dec 05 20:13:17.712 INFO [stderr] --> src/main.rs:27:5 Dec 05 20:13:17.712 INFO [stderr] | Dec 05 20:13:17.712 INFO [stderr] 27 | mutable = 11; Dec 05 20:13:17.712 INFO [stderr] | ^^^^^^^ Dec 05 20:13:17.712 INFO [stderr] Dec 05 20:13:17.712 INFO [stderr] warning: unused variable: `mutable` Dec 05 20:13:17.713 INFO [stderr] --> src/main.rs:30:9 Dec 05 20:13:17.713 INFO [stderr] | Dec 05 20:13:17.713 INFO [stderr] 30 | let mutable = true; Dec 05 20:13:17.713 INFO [stderr] | ^^^^^^^ help: consider using `_mutable` instead Dec 05 20:13:17.713 INFO [stderr] Dec 05 20:13:17.713 INFO [stderr] warning: unused variable: `a` Dec 05 20:13:17.713 INFO [stderr] --> src/main.rs:36:9 Dec 05 20:13:17.713 INFO [stderr] | Dec 05 20:13:17.713 INFO [stderr] 36 | let a = [1, 2, 3]; // a: [i32; 3] Dec 05 20:13:17.713 INFO [stderr] | ^ help: consider using `_a` instead Dec 05 20:13:17.713 INFO [stderr] Dec 05 20:13:17.713 INFO [stderr] warning: unused variable: `middle` Dec 05 20:13:17.713 INFO [stderr] --> src/main.rs:61:9 Dec 05 20:13:17.713 INFO [stderr] | Dec 05 20:13:17.713 INFO [stderr] 61 | let middle = &a[1..3]; Dec 05 20:13:17.713 INFO [stderr] | ^^^^^^ help: consider using `_middle` instead Dec 05 20:13:17.713 INFO [stderr] Dec 05 20:13:17.713 INFO [stderr] warning: unused variable: `a` Dec 05 20:13:17.713 INFO [stderr] --> src/main.rs:67:10 Dec 05 20:13:17.713 INFO [stderr] | Dec 05 20:13:17.713 INFO [stderr] 67 | let (a, b, c) = y; Dec 05 20:13:17.713 INFO [stderr] | ^ help: consider using `_a` instead Dec 05 20:13:17.713 INFO [stderr] Dec 05 20:13:17.713 INFO [stderr] warning: unused variable: `b` Dec 05 20:13:17.713 INFO [stderr] --> src/main.rs:67:13 Dec 05 20:13:17.713 INFO [stderr] | Dec 05 20:13:17.713 INFO [stderr] 67 | let (a, b, c) = y; Dec 05 20:13:17.713 INFO [stderr] | ^ help: consider using `_b` instead Dec 05 20:13:17.713 INFO [stderr] Dec 05 20:13:17.713 INFO [stderr] warning: unused variable: `y` Dec 05 20:13:17.713 INFO [stderr] --> src/main.rs:73:9 Dec 05 20:13:17.713 INFO [stderr] | Dec 05 20:13:17.713 INFO [stderr] 73 | let y = tuple.1; Dec 05 20:13:17.713 INFO [stderr] | ^ help: consider using `_y` instead Dec 05 20:13:17.713 INFO [stderr] Dec 05 20:13:17.713 INFO [stderr] warning: unused variable: `z` Dec 05 20:13:17.713 INFO [stderr] --> src/main.rs:74:9 Dec 05 20:13:17.713 INFO [stderr] | Dec 05 20:13:17.713 INFO [stderr] 74 | let z = tuple.2; Dec 05 20:13:17.713 INFO [stderr] | ^ help: consider using `_z` instead Dec 05 20:13:17.713 INFO [stderr] Dec 05 20:13:17.713 INFO [stderr] warning: unused variable: `j` Dec 05 20:13:17.713 INFO [stderr] --> src/main.rs:91:9 Dec 05 20:13:17.713 INFO [stderr] | Dec 05 20:13:17.713 INFO [stderr] 91 | let j: i32 = 0; Dec 05 20:13:17.713 INFO [stderr] | ^ help: consider using `_j` instead Dec 05 20:13:17.713 INFO [stderr] Dec 05 20:13:17.713 INFO [stderr] warning: unused variable: `v2` Dec 05 20:13:17.713 INFO [stderr] --> src/main.rs:119:9 Dec 05 20:13:17.713 INFO [stderr] | Dec 05 20:13:17.713 INFO [stderr] 119 | let v2 = v; Dec 05 20:13:17.713 INFO [stderr] | ^^ help: consider using `_v2` instead Dec 05 20:13:17.713 INFO [stderr] Dec 05 20:13:17.730 INFO [stderr] warning: function is never used: `diverges` Dec 05 20:13:17.730 INFO [stderr] --> src/main.rs:188:1 Dec 05 20:13:17.730 INFO [stderr] | Dec 05 20:13:17.730 INFO [stderr] 188 | fn diverges() -> ! { Dec 05 20:13:17.730 INFO [stderr] | ^^^^^^^^^^^^^^^^^^ Dec 05 20:13:17.730 INFO [stderr] | Dec 05 20:13:17.730 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 05 20:13:17.730 INFO [stderr] Dec 05 20:13:18.086 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.73s Dec 05 20:13:18.092 INFO [stderr] su: No module specific data is present Dec 05 20:13:18.440 INFO running `"docker" "inspect" "ed1b146fae1431284986648f729719ab387293de8664de5ec2fbf33cd4238a43"` Dec 05 20:13:18.501 INFO running `"docker" "rm" "-f" "ed1b146fae1431284986648f729719ab387293de8664de5ec2fbf33cd4238a43"` Dec 05 20:13:18.615 INFO [stdout] ed1b146fae1431284986648f729719ab387293de8664de5ec2fbf33cd4238a43 Dec 05 20:13:18.617 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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"` Dec 05 20:13:18.770 INFO [stdout] 8f304451c26ab75c427e25da9bd60daa0739ad7638062a4f51d805be8c223894 Dec 05 20:13:18.772 INFO running `"docker" "start" "-a" "8f304451c26ab75c427e25da9bd60daa0739ad7638062a4f51d805be8c223894"` Dec 05 20:13:19.139 INFO [stderr] usermod: no changes Dec 05 20:13:19.179 INFO [stderr] Compiling rust_demo v0.1.0 (/source) Dec 05 20:13:19.483 INFO [stderr] warning: unnecessary parentheses around `for` head expression Dec 05 20:13:19.483 INFO [stderr] --> src/main.rs:214:14 Dec 05 20:13:19.483 INFO [stderr] | Dec 05 20:13:19.483 INFO [stderr] 214 | for x in (0..11) { Dec 05 20:13:19.483 INFO [stderr] | ^^^^^^^ help: remove these parentheses Dec 05 20:13:19.483 INFO [stderr] | Dec 05 20:13:19.483 INFO [stderr] = note: #[warn(unused_parens)] on by default Dec 05 20:13:19.483 INFO [stderr] Dec 05 20:13:19.586 INFO [stderr] warning: variable `inferred_type` is assigned to, but never used Dec 05 20:13:19.586 INFO [stderr] --> src/main.rs:19:13 Dec 05 20:13:19.586 INFO [stderr] | Dec 05 20:13:19.586 INFO [stderr] 19 | let mut inferred_type = 12; // Type i64 is inferred from another line Dec 05 20:13:19.586 INFO [stderr] | ^^^^^^^^^^^^^ Dec 05 20:13:19.586 INFO [stderr] | Dec 05 20:13:19.586 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 05 20:13:19.586 INFO [stderr] = note: consider using `_inferred_type` instead Dec 05 20:13:19.586 INFO [stderr] Dec 05 20:13:19.586 INFO [stderr] warning: value assigned to `inferred_type` is never read Dec 05 20:13:19.586 INFO [stderr] --> src/main.rs:20:5 Dec 05 20:13:19.586 INFO [stderr] | Dec 05 20:13:19.586 INFO [stderr] 20 | inferred_type = 4294967296i64; Dec 05 20:13:19.586 INFO [stderr] | ^^^^^^^^^^^^^ Dec 05 20:13:19.586 INFO [stderr] | Dec 05 20:13:19.586 INFO [stderr] = note: #[warn(unused_assignments)] on by default Dec 05 20:13:19.586 INFO [stderr] Dec 05 20:13:19.587 INFO [stderr] warning: variable `mutable` is assigned to, but never used Dec 05 20:13:19.587 INFO [stderr] --> src/main.rs:23:13 Dec 05 20:13:19.587 INFO [stderr] | Dec 05 20:13:19.587 INFO [stderr] 23 | let mut mutable = 12; // Mutable `i32` Dec 05 20:13:19.587 INFO [stderr] | ^^^^^^^ Dec 05 20:13:19.587 INFO [stderr] | Dec 05 20:13:19.587 INFO [stderr] = note: consider using `_mutable` instead Dec 05 20:13:19.587 INFO [stderr] Dec 05 20:13:19.587 INFO [stderr] warning: value assigned to `mutable` is never read Dec 05 20:13:19.587 INFO [stderr] --> src/main.rs:24:5 Dec 05 20:13:19.587 INFO [stderr] | Dec 05 20:13:19.587 INFO [stderr] 24 | mutable = 21; Dec 05 20:13:19.587 INFO [stderr] | ^^^^^^^ Dec 05 20:13:19.587 INFO [stderr] Dec 05 20:13:19.587 INFO [stderr] warning: value assigned to `mutable` is never read Dec 05 20:13:19.587 INFO [stderr] --> src/main.rs:27:5 Dec 05 20:13:19.587 INFO [stderr] | Dec 05 20:13:19.587 INFO [stderr] 27 | mutable = 11; Dec 05 20:13:19.587 INFO [stderr] | ^^^^^^^ Dec 05 20:13:19.587 INFO [stderr] Dec 05 20:13:19.587 INFO [stderr] warning: unused variable: `mutable` Dec 05 20:13:19.587 INFO [stderr] --> src/main.rs:30:9 Dec 05 20:13:19.587 INFO [stderr] | Dec 05 20:13:19.587 INFO [stderr] 30 | let mutable = true; Dec 05 20:13:19.587 INFO [stderr] | ^^^^^^^ help: consider using `_mutable` instead Dec 05 20:13:19.587 INFO [stderr] Dec 05 20:13:19.587 INFO [stderr] warning: unused variable: `a` Dec 05 20:13:19.587 INFO [stderr] --> src/main.rs:36:9 Dec 05 20:13:19.587 INFO [stderr] | Dec 05 20:13:19.587 INFO [stderr] 36 | let a = [1, 2, 3]; // a: [i32; 3] Dec 05 20:13:19.587 INFO [stderr] | ^ help: consider using `_a` instead Dec 05 20:13:19.587 INFO [stderr] Dec 05 20:13:19.587 INFO [stderr] warning: unused variable: `middle` Dec 05 20:13:19.587 INFO [stderr] --> src/main.rs:61:9 Dec 05 20:13:19.587 INFO [stderr] | Dec 05 20:13:19.587 INFO [stderr] 61 | let middle = &a[1..3]; Dec 05 20:13:19.587 INFO [stderr] | ^^^^^^ help: consider using `_middle` instead Dec 05 20:13:19.587 INFO [stderr] Dec 05 20:13:19.587 INFO [stderr] warning: unused variable: `a` Dec 05 20:13:19.587 INFO [stderr] --> src/main.rs:67:10 Dec 05 20:13:19.587 INFO [stderr] | Dec 05 20:13:19.587 INFO [stderr] 67 | let (a, b, c) = y; Dec 05 20:13:19.587 INFO [stderr] | ^ help: consider using `_a` instead Dec 05 20:13:19.587 INFO [stderr] Dec 05 20:13:19.587 INFO [stderr] warning: unused variable: `b` Dec 05 20:13:19.587 INFO [stderr] --> src/main.rs:67:13 Dec 05 20:13:19.587 INFO [stderr] | Dec 05 20:13:19.587 INFO [stderr] 67 | let (a, b, c) = y; Dec 05 20:13:19.587 INFO [stderr] | ^ help: consider using `_b` instead Dec 05 20:13:19.587 INFO [stderr] Dec 05 20:13:19.587 INFO [stderr] warning: unused variable: `y` Dec 05 20:13:19.587 INFO [stderr] --> src/main.rs:73:9 Dec 05 20:13:19.587 INFO [stderr] | Dec 05 20:13:19.587 INFO [stderr] 73 | let y = tuple.1; Dec 05 20:13:19.587 INFO [stderr] | ^ help: consider using `_y` instead Dec 05 20:13:19.587 INFO [stderr] Dec 05 20:13:19.587 INFO [stderr] warning: unused variable: `z` Dec 05 20:13:19.587 INFO [stderr] --> src/main.rs:74:9 Dec 05 20:13:19.587 INFO [stderr] | Dec 05 20:13:19.587 INFO [stderr] 74 | let z = tuple.2; Dec 05 20:13:19.587 INFO [stderr] | ^ help: consider using `_z` instead Dec 05 20:13:19.587 INFO [stderr] Dec 05 20:13:19.587 INFO [stderr] warning: unused variable: `j` Dec 05 20:13:19.587 INFO [stderr] --> src/main.rs:91:9 Dec 05 20:13:19.587 INFO [stderr] | Dec 05 20:13:19.587 INFO [stderr] 91 | let j: i32 = 0; Dec 05 20:13:19.587 INFO [stderr] | ^ help: consider using `_j` instead Dec 05 20:13:19.587 INFO [stderr] Dec 05 20:13:19.587 INFO [stderr] warning: unused variable: `v2` Dec 05 20:13:19.588 INFO [stderr] --> src/main.rs:119:9 Dec 05 20:13:19.588 INFO [stderr] | Dec 05 20:13:19.588 INFO [stderr] 119 | let v2 = v; Dec 05 20:13:19.588 INFO [stderr] | ^^ help: consider using `_v2` instead Dec 05 20:13:19.588 INFO [stderr] Dec 05 20:13:19.606 INFO [stderr] warning: function is never used: `diverges` Dec 05 20:13:19.606 INFO [stderr] --> src/main.rs:188:1 Dec 05 20:13:19.606 INFO [stderr] | Dec 05 20:13:19.606 INFO [stderr] 188 | fn diverges() -> ! { Dec 05 20:13:19.606 INFO [stderr] | ^^^^^^^^^^^^^^^^^^ Dec 05 20:13:19.606 INFO [stderr] | Dec 05 20:13:19.606 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 05 20:13:19.606 INFO [stderr] Dec 05 20:13:19.819 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.66s Dec 05 20:13:19.823 INFO [stderr] su: No module specific data is present Dec 05 20:13:20.180 INFO running `"docker" "inspect" "8f304451c26ab75c427e25da9bd60daa0739ad7638062a4f51d805be8c223894"` Dec 05 20:13:20.262 INFO running `"docker" "rm" "-f" "8f304451c26ab75c427e25da9bd60daa0739ad7638062a4f51d805be8c223894"` Dec 05 20:13:20.380 INFO [stdout] 8f304451c26ab75c427e25da9bd60daa0739ad7638062a4f51d805be8c223894 Dec 05 20:13:20.394 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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"` Dec 05 20:13:20.659 INFO [stdout] 1a310b53f449fd317230fc5dd0eef7ba7cb2c4771e53f5a963e9bc8d063b22b0 Dec 05 20:13:20.661 INFO running `"docker" "start" "-a" "1a310b53f449fd317230fc5dd0eef7ba7cb2c4771e53f5a963e9bc8d063b22b0"` Dec 05 20:13:21.244 INFO [stderr] usermod: no changes Dec 05 20:13:21.275 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s Dec 05 20:13:21.275 INFO [stderr] Running /target/debug/deps/rust_demo-3a2927a8ac73d2d9 Dec 05 20:13:21.277 INFO [stdout] Dec 05 20:13:21.277 INFO [stdout] running 0 tests Dec 05 20:13:21.277 INFO [stdout] Dec 05 20:13:21.277 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 05 20:13:21.277 INFO [stdout] Dec 05 20:13:21.279 INFO [stderr] su: No module specific data is present Dec 05 20:13:21.722 INFO running `"docker" "inspect" "1a310b53f449fd317230fc5dd0eef7ba7cb2c4771e53f5a963e9bc8d063b22b0"` Dec 05 20:13:21.956 INFO running `"docker" "rm" "-f" "1a310b53f449fd317230fc5dd0eef7ba7cb2c4771e53f5a963e9bc8d063b22b0"` Dec 05 20:13:22.137 INFO [stdout] 1a310b53f449fd317230fc5dd0eef7ba7cb2c4771e53f5a963e9bc8d063b22b0