Nov 17 00:01:58.546 INFO testing java007hf/Rust_demo against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982 Nov 17 00:01:58.546 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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 00:01:58.712 INFO [stdout] b6afb4e56bc6d223f9dd0168547cfd8b9c846e8e49cc028a111c3953506d0f41 Nov 17 00:01:58.716 INFO running `"docker" "start" "-a" "b6afb4e56bc6d223f9dd0168547cfd8b9c846e8e49cc028a111c3953506d0f41"` Nov 17 00:01:59.138 INFO [stderr] usermod: no changes Nov 17 00:01:59.182 INFO [stderr] Compiling rust_demo v0.1.0 (/source) Nov 17 00:01:59.461 INFO [stderr] warning: unnecessary parentheses around `for` head expression Nov 17 00:01:59.461 INFO [stderr] --> src/main.rs:214:14 Nov 17 00:01:59.461 INFO [stderr] | Nov 17 00:01:59.461 INFO [stderr] 214 | for x in (0..11) { Nov 17 00:01:59.461 INFO [stderr] | ^^^^^^^ help: remove these parentheses Nov 17 00:01:59.461 INFO [stderr] | Nov 17 00:01:59.461 INFO [stderr] = note: #[warn(unused_parens)] on by default Nov 17 00:01:59.461 INFO [stderr] Nov 17 00:01:59.607 INFO [stderr] warning: variable `inferred_type` is assigned to, but never used Nov 17 00:01:59.607 INFO [stderr] --> src/main.rs:19:13 Nov 17 00:01:59.608 INFO [stderr] | Nov 17 00:01:59.608 INFO [stderr] 19 | let mut inferred_type = 12; // Type i64 is inferred from another line Nov 17 00:01:59.608 INFO [stderr] | ^^^^^^^^^^^^^ Nov 17 00:01:59.608 INFO [stderr] | Nov 17 00:01:59.608 INFO [stderr] = note: #[warn(unused_variables)] on by default Nov 17 00:01:59.609 INFO [stderr] = note: consider using `_inferred_type` instead Nov 17 00:01:59.609 INFO [stderr] Nov 17 00:01:59.609 INFO [stderr] warning: value assigned to `inferred_type` is never read Nov 17 00:01:59.609 INFO [stderr] --> src/main.rs:20:5 Nov 17 00:01:59.609 INFO [stderr] | Nov 17 00:01:59.610 INFO [stderr] 20 | inferred_type = 4294967296i64; Nov 17 00:01:59.610 INFO [stderr] | ^^^^^^^^^^^^^ Nov 17 00:01:59.610 INFO [stderr] | Nov 17 00:01:59.610 INFO [stderr] = note: #[warn(unused_assignments)] on by default Nov 17 00:01:59.611 INFO [stderr] Nov 17 00:01:59.611 INFO [stderr] warning: variable `mutable` is assigned to, but never used Nov 17 00:01:59.611 INFO [stderr] --> src/main.rs:23:13 Nov 17 00:01:59.611 INFO [stderr] | Nov 17 00:01:59.611 INFO [stderr] 23 | let mut mutable = 12; // Mutable `i32` Nov 17 00:01:59.612 INFO [stderr] | ^^^^^^^ Nov 17 00:01:59.612 INFO [stderr] | Nov 17 00:01:59.612 INFO [stderr] = note: consider using `_mutable` instead Nov 17 00:01:59.612 INFO [stderr] Nov 17 00:01:59.612 INFO [stderr] warning: value assigned to `mutable` is never read Nov 17 00:01:59.613 INFO [stderr] --> src/main.rs:24:5 Nov 17 00:01:59.613 INFO [stderr] | Nov 17 00:01:59.613 INFO [stderr] 24 | mutable = 21; Nov 17 00:01:59.613 INFO [stderr] | ^^^^^^^ Nov 17 00:01:59.613 INFO [stderr] Nov 17 00:01:59.613 INFO [stderr] warning: value assigned to `mutable` is never read Nov 17 00:01:59.614 INFO [stderr] --> src/main.rs:27:5 Nov 17 00:01:59.614 INFO [stderr] | Nov 17 00:01:59.614 INFO [stderr] 27 | mutable = 11; Nov 17 00:01:59.614 INFO [stderr] | ^^^^^^^ Nov 17 00:01:59.615 INFO [stderr] Nov 17 00:01:59.615 INFO [stderr] warning: unused variable: `mutable` Nov 17 00:01:59.615 INFO [stderr] --> src/main.rs:30:9 Nov 17 00:01:59.615 INFO [stderr] | Nov 17 00:01:59.615 INFO [stderr] 30 | let mutable = true; Nov 17 00:01:59.616 INFO [stderr] | ^^^^^^^ help: consider using `_mutable` instead Nov 17 00:01:59.616 INFO [stderr] Nov 17 00:01:59.616 INFO [stderr] warning: unused variable: `a` Nov 17 00:01:59.616 INFO [stderr] --> src/main.rs:36:9 Nov 17 00:01:59.616 INFO [stderr] | Nov 17 00:01:59.616 INFO [stderr] 36 | let a = [1, 2, 3]; // a: [i32; 3] Nov 17 00:01:59.617 INFO [stderr] | ^ help: consider using `_a` instead Nov 17 00:01:59.617 INFO [stderr] Nov 17 00:01:59.617 INFO [stderr] warning: unused variable: `middle` Nov 17 00:01:59.617 INFO [stderr] --> src/main.rs:61:9 Nov 17 00:01:59.617 INFO [stderr] | Nov 17 00:01:59.618 INFO [stderr] 61 | let middle = &a[1..3]; Nov 17 00:01:59.618 INFO [stderr] | ^^^^^^ help: consider using `_middle` instead Nov 17 00:01:59.618 INFO [stderr] Nov 17 00:01:59.618 INFO [stderr] warning: unused variable: `a` Nov 17 00:01:59.618 INFO [stderr] --> src/main.rs:67:10 Nov 17 00:01:59.619 INFO [stderr] | Nov 17 00:01:59.619 INFO [stderr] 67 | let (a, b, c) = y; Nov 17 00:01:59.619 INFO [stderr] | ^ help: consider using `_a` instead Nov 17 00:01:59.619 INFO [stderr] Nov 17 00:01:59.619 INFO [stderr] warning: unused variable: `b` Nov 17 00:01:59.620 INFO [stderr] --> src/main.rs:67:13 Nov 17 00:01:59.620 INFO [stderr] | Nov 17 00:01:59.620 INFO [stderr] 67 | let (a, b, c) = y; Nov 17 00:01:59.620 INFO [stderr] | ^ help: consider using `_b` instead Nov 17 00:01:59.620 INFO [stderr] Nov 17 00:01:59.620 INFO [stderr] warning: unused variable: `y` Nov 17 00:01:59.621 INFO [stderr] --> src/main.rs:73:9 Nov 17 00:01:59.621 INFO [stderr] | Nov 17 00:01:59.621 INFO [stderr] 73 | let y = tuple.1; Nov 17 00:01:59.621 INFO [stderr] | ^ help: consider using `_y` instead Nov 17 00:01:59.621 INFO [stderr] Nov 17 00:01:59.621 INFO [stderr] warning: unused variable: `z` Nov 17 00:01:59.622 INFO [stderr] --> src/main.rs:74:9 Nov 17 00:01:59.622 INFO [stderr] | Nov 17 00:01:59.622 INFO [stderr] 74 | let z = tuple.2; Nov 17 00:01:59.622 INFO [stderr] | ^ help: consider using `_z` instead Nov 17 00:01:59.622 INFO [stderr] Nov 17 00:01:59.623 INFO [stderr] warning: unused variable: `j` Nov 17 00:01:59.623 INFO [stderr] --> src/main.rs:91:9 Nov 17 00:01:59.623 INFO [stderr] | Nov 17 00:01:59.623 INFO [stderr] 91 | let j: i32 = 0; Nov 17 00:01:59.623 INFO [stderr] | ^ help: consider using `_j` instead Nov 17 00:01:59.623 INFO [stderr] Nov 17 00:01:59.624 INFO [stderr] warning: unused variable: `v2` Nov 17 00:01:59.624 INFO [stderr] --> src/main.rs:119:9 Nov 17 00:01:59.624 INFO [stderr] | Nov 17 00:01:59.624 INFO [stderr] 119 | let v2 = v; Nov 17 00:01:59.624 INFO [stderr] | ^^ help: consider using `_v2` instead Nov 17 00:01:59.625 INFO [stderr] Nov 17 00:01:59.634 INFO [stderr] warning: function is never used: `diverges` Nov 17 00:01:59.635 INFO [stderr] --> src/main.rs:188:1 Nov 17 00:01:59.635 INFO [stderr] | Nov 17 00:01:59.635 INFO [stderr] 188 | fn diverges() -> ! { Nov 17 00:01:59.636 INFO [stderr] | ^^^^^^^^^^^^^^^^^^ Nov 17 00:01:59.636 INFO [stderr] | Nov 17 00:01:59.636 INFO [stderr] = note: #[warn(dead_code)] on by default Nov 17 00:01:59.636 INFO [stderr] Nov 17 00:02:00.263 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.10s Nov 17 00:02:00.267 INFO [stderr] su: No module specific data is present Nov 17 00:02:00.663 INFO running `"docker" "inspect" "b6afb4e56bc6d223f9dd0168547cfd8b9c846e8e49cc028a111c3953506d0f41"` Nov 17 00:02:00.767 INFO running `"docker" "rm" "-f" "b6afb4e56bc6d223f9dd0168547cfd8b9c846e8e49cc028a111c3953506d0f41"` Nov 17 00:02:00.836 INFO [stdout] b6afb4e56bc6d223f9dd0168547cfd8b9c846e8e49cc028a111c3953506d0f41 Nov 17 00:02:00.844 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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 00:02:01.021 INFO [stdout] 7807cfd2b2ed281eacb48063c06b2a9e72ebf56a8d9f7cc69447ad7b86db3385 Nov 17 00:02:01.025 INFO running `"docker" "start" "-a" "7807cfd2b2ed281eacb48063c06b2a9e72ebf56a8d9f7cc69447ad7b86db3385"` Nov 17 00:02:01.425 INFO [stderr] usermod: no changes Nov 17 00:02:01.462 INFO [stderr] Compiling rust_demo v0.1.0 (/source) Nov 17 00:02:01.681 INFO [stderr] warning: unnecessary parentheses around `for` head expression Nov 17 00:02:01.681 INFO [stderr] --> src/main.rs:214:14 Nov 17 00:02:01.681 INFO [stderr] | Nov 17 00:02:01.681 INFO [stderr] 214 | for x in (0..11) { Nov 17 00:02:01.681 INFO [stderr] | ^^^^^^^ help: remove these parentheses Nov 17 00:02:01.681 INFO [stderr] | Nov 17 00:02:01.681 INFO [stderr] = note: #[warn(unused_parens)] on by default Nov 17 00:02:01.681 INFO [stderr] Nov 17 00:02:01.818 INFO [stderr] warning: variable `inferred_type` is assigned to, but never used Nov 17 00:02:01.818 INFO [stderr] --> src/main.rs:19:13 Nov 17 00:02:01.818 INFO [stderr] | Nov 17 00:02:01.818 INFO [stderr] 19 | let mut inferred_type = 12; // Type i64 is inferred from another line Nov 17 00:02:01.818 INFO [stderr] | ^^^^^^^^^^^^^ Nov 17 00:02:01.818 INFO [stderr] | Nov 17 00:02:01.818 INFO [stderr] = note: #[warn(unused_variables)] on by default Nov 17 00:02:01.818 INFO [stderr] = note: consider using `_inferred_type` instead Nov 17 00:02:01.818 INFO [stderr] Nov 17 00:02:01.818 INFO [stderr] warning: value assigned to `inferred_type` is never read Nov 17 00:02:01.818 INFO [stderr] --> src/main.rs:20:5 Nov 17 00:02:01.818 INFO [stderr] | Nov 17 00:02:01.818 INFO [stderr] 20 | inferred_type = 4294967296i64; Nov 17 00:02:01.818 INFO [stderr] | ^^^^^^^^^^^^^ Nov 17 00:02:01.818 INFO [stderr] | Nov 17 00:02:01.818 INFO [stderr] = note: #[warn(unused_assignments)] on by default Nov 17 00:02:01.818 INFO [stderr] Nov 17 00:02:01.818 INFO [stderr] warning: variable `mutable` is assigned to, but never used Nov 17 00:02:01.818 INFO [stderr] --> src/main.rs:23:13 Nov 17 00:02:01.818 INFO [stderr] | Nov 17 00:02:01.818 INFO [stderr] 23 | let mut mutable = 12; // Mutable `i32` Nov 17 00:02:01.818 INFO [stderr] | ^^^^^^^ Nov 17 00:02:01.818 INFO [stderr] | Nov 17 00:02:01.818 INFO [stderr] = note: consider using `_mutable` instead Nov 17 00:02:01.818 INFO [stderr] Nov 17 00:02:01.818 INFO [stderr] warning: value assigned to `mutable` is never read Nov 17 00:02:01.818 INFO [stderr] --> src/main.rs:24:5 Nov 17 00:02:01.818 INFO [stderr] | Nov 17 00:02:01.818 INFO [stderr] 24 | mutable = 21; Nov 17 00:02:01.818 INFO [stderr] | ^^^^^^^ Nov 17 00:02:01.818 INFO [stderr] Nov 17 00:02:01.818 INFO [stderr] warning: value assigned to `mutable` is never read Nov 17 00:02:01.818 INFO [stderr] --> src/main.rs:27:5 Nov 17 00:02:01.818 INFO [stderr] | Nov 17 00:02:01.818 INFO [stderr] 27 | mutable = 11; Nov 17 00:02:01.818 INFO [stderr] | ^^^^^^^ Nov 17 00:02:01.818 INFO [stderr] Nov 17 00:02:01.818 INFO [stderr] warning: unused variable: `mutable` Nov 17 00:02:01.818 INFO [stderr] --> src/main.rs:30:9 Nov 17 00:02:01.818 INFO [stderr] | Nov 17 00:02:01.818 INFO [stderr] 30 | let mutable = true; Nov 17 00:02:01.818 INFO [stderr] | ^^^^^^^ help: consider using `_mutable` instead Nov 17 00:02:01.818 INFO [stderr] Nov 17 00:02:01.818 INFO [stderr] warning: unused variable: `a` Nov 17 00:02:01.818 INFO [stderr] --> src/main.rs:36:9 Nov 17 00:02:01.818 INFO [stderr] | Nov 17 00:02:01.818 INFO [stderr] 36 | let a = [1, 2, 3]; // a: [i32; 3] Nov 17 00:02:01.818 INFO [stderr] | ^ help: consider using `_a` instead Nov 17 00:02:01.818 INFO [stderr] Nov 17 00:02:01.818 INFO [stderr] warning: unused variable: `middle` Nov 17 00:02:01.818 INFO [stderr] --> src/main.rs:61:9 Nov 17 00:02:01.818 INFO [stderr] | Nov 17 00:02:01.818 INFO [stderr] 61 | let middle = &a[1..3]; Nov 17 00:02:01.818 INFO [stderr] | ^^^^^^ help: consider using `_middle` instead Nov 17 00:02:01.818 INFO [stderr] Nov 17 00:02:01.818 INFO [stderr] warning: unused variable: `a` Nov 17 00:02:01.818 INFO [stderr] --> src/main.rs:67:10 Nov 17 00:02:01.818 INFO [stderr] | Nov 17 00:02:01.818 INFO [stderr] 67 | let (a, b, c) = y; Nov 17 00:02:01.818 INFO [stderr] | ^ help: consider using `_a` instead Nov 17 00:02:01.819 INFO [stderr] Nov 17 00:02:01.819 INFO [stderr] warning: unused variable: `b` Nov 17 00:02:01.819 INFO [stderr] --> src/main.rs:67:13 Nov 17 00:02:01.819 INFO [stderr] | Nov 17 00:02:01.819 INFO [stderr] 67 | let (a, b, c) = y; Nov 17 00:02:01.819 INFO [stderr] | ^ help: consider using `_b` instead Nov 17 00:02:01.819 INFO [stderr] Nov 17 00:02:01.819 INFO [stderr] warning: unused variable: `y` Nov 17 00:02:01.819 INFO [stderr] --> src/main.rs:73:9 Nov 17 00:02:01.819 INFO [stderr] | Nov 17 00:02:01.819 INFO [stderr] 73 | let y = tuple.1; Nov 17 00:02:01.819 INFO [stderr] | ^ help: consider using `_y` instead Nov 17 00:02:01.819 INFO [stderr] Nov 17 00:02:01.819 INFO [stderr] warning: unused variable: `z` Nov 17 00:02:01.819 INFO [stderr] --> src/main.rs:74:9 Nov 17 00:02:01.819 INFO [stderr] | Nov 17 00:02:01.819 INFO [stderr] 74 | let z = tuple.2; Nov 17 00:02:01.819 INFO [stderr] | ^ help: consider using `_z` instead Nov 17 00:02:01.819 INFO [stderr] Nov 17 00:02:01.819 INFO [stderr] warning: unused variable: `j` Nov 17 00:02:01.819 INFO [stderr] --> src/main.rs:91:9 Nov 17 00:02:01.819 INFO [stderr] | Nov 17 00:02:01.819 INFO [stderr] 91 | let j: i32 = 0; Nov 17 00:02:01.819 INFO [stderr] | ^ help: consider using `_j` instead Nov 17 00:02:01.819 INFO [stderr] Nov 17 00:02:01.819 INFO [stderr] warning: unused variable: `v2` Nov 17 00:02:01.819 INFO [stderr] --> src/main.rs:119:9 Nov 17 00:02:01.819 INFO [stderr] | Nov 17 00:02:01.819 INFO [stderr] 119 | let v2 = v; Nov 17 00:02:01.819 INFO [stderr] | ^^ help: consider using `_v2` instead Nov 17 00:02:01.819 INFO [stderr] Nov 17 00:02:01.851 INFO [stderr] warning: function is never used: `diverges` Nov 17 00:02:01.851 INFO [stderr] --> src/main.rs:188:1 Nov 17 00:02:01.851 INFO [stderr] | Nov 17 00:02:01.851 INFO [stderr] 188 | fn diverges() -> ! { Nov 17 00:02:01.851 INFO [stderr] | ^^^^^^^^^^^^^^^^^^ Nov 17 00:02:01.851 INFO [stderr] | Nov 17 00:02:01.851 INFO [stderr] = note: #[warn(dead_code)] on by default Nov 17 00:02:01.851 INFO [stderr] Nov 17 00:02:02.089 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.65s Nov 17 00:02:02.089 INFO [stderr] su: No module specific data is present Nov 17 00:02:02.337 INFO running `"docker" "inspect" "7807cfd2b2ed281eacb48063c06b2a9e72ebf56a8d9f7cc69447ad7b86db3385"` Nov 17 00:02:02.410 INFO running `"docker" "rm" "-f" "7807cfd2b2ed281eacb48063c06b2a9e72ebf56a8d9f7cc69447ad7b86db3385"` Nov 17 00:02:02.478 INFO [stdout] 7807cfd2b2ed281eacb48063c06b2a9e72ebf56a8d9f7cc69447ad7b86db3385 Nov 17 00:02:02.483 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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 00:02:02.643 INFO [stdout] 3f17f271774d500188982f5660e217c26b7ae9a2ddee1ff57cefa182cb99992b Nov 17 00:02:02.647 INFO running `"docker" "start" "-a" "3f17f271774d500188982f5660e217c26b7ae9a2ddee1ff57cefa182cb99992b"` Nov 17 00:02:03.079 INFO [stderr] usermod: no changes Nov 17 00:02:03.119 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s Nov 17 00:02:03.124 INFO [stderr] Running /target/debug/deps/rust_demo-5b24dc0c37658e5f Nov 17 00:02:03.125 INFO [stdout] Nov 17 00:02:03.125 INFO [stdout] running 0 tests Nov 17 00:02:03.125 INFO [stdout] Nov 17 00:02:03.125 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Nov 17 00:02:03.125 INFO [stdout] Nov 17 00:02:03.128 INFO [stderr] su: No module specific data is present Nov 17 00:02:03.673 INFO running `"docker" "inspect" "3f17f271774d500188982f5660e217c26b7ae9a2ddee1ff57cefa182cb99992b"` Nov 17 00:02:03.789 INFO running `"docker" "rm" "-f" "3f17f271774d500188982f5660e217c26b7ae9a2ddee1ff57cefa182cb99992b"` Nov 17 00:02:03.868 INFO [stdout] 3f17f271774d500188982f5660e217c26b7ae9a2ddee1ff57cefa182cb99992b