Dec 13 15:56:12.312 INFO testing java007hf/Rust_demo against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550 Dec 13 15:56:12.312 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 13 15:56:12.665 INFO [stdout] eb9a39aae9225bf857db63ff3da28b3db70639ebba7e621397daf5a3d030dddc Dec 13 15:56:12.670 INFO running `"docker" "start" "-a" "eb9a39aae9225bf857db63ff3da28b3db70639ebba7e621397daf5a3d030dddc"` Dec 13 15:56:13.183 INFO [stderr] usermod: no changes Dec 13 15:56:13.222 INFO [stderr] Compiling rust_demo v0.1.0 (/source) Dec 13 15:56:13.556 INFO [stderr] warning: unnecessary parentheses around `for` head expression Dec 13 15:56:13.556 INFO [stderr] --> src/main.rs:214:14 Dec 13 15:56:13.556 INFO [stderr] | Dec 13 15:56:13.556 INFO [stderr] 214 | for x in (0..11) { Dec 13 15:56:13.556 INFO [stderr] | ^^^^^^^ help: remove these parentheses Dec 13 15:56:13.556 INFO [stderr] | Dec 13 15:56:13.556 INFO [stderr] = note: #[warn(unused_parens)] on by default Dec 13 15:56:13.556 INFO [stderr] Dec 13 15:56:13.675 INFO [stderr] warning: variable `inferred_type` is assigned to, but never used Dec 13 15:56:13.675 INFO [stderr] --> src/main.rs:19:13 Dec 13 15:56:13.675 INFO [stderr] | Dec 13 15:56:13.675 INFO [stderr] 19 | let mut inferred_type = 12; // Type i64 is inferred from another line Dec 13 15:56:13.675 INFO [stderr] | ^^^^^^^^^^^^^ Dec 13 15:56:13.675 INFO [stderr] | Dec 13 15:56:13.675 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 13 15:56:13.675 INFO [stderr] = note: consider using `_inferred_type` instead Dec 13 15:56:13.675 INFO [stderr] Dec 13 15:56:13.675 INFO [stderr] warning: value assigned to `inferred_type` is never read Dec 13 15:56:13.675 INFO [stderr] --> src/main.rs:20:5 Dec 13 15:56:13.675 INFO [stderr] | Dec 13 15:56:13.675 INFO [stderr] 20 | inferred_type = 4294967296i64; Dec 13 15:56:13.675 INFO [stderr] | ^^^^^^^^^^^^^ Dec 13 15:56:13.675 INFO [stderr] | Dec 13 15:56:13.675 INFO [stderr] = note: #[warn(unused_assignments)] on by default Dec 13 15:56:13.675 INFO [stderr] Dec 13 15:56:13.675 INFO [stderr] warning: variable `mutable` is assigned to, but never used Dec 13 15:56:13.675 INFO [stderr] --> src/main.rs:23:13 Dec 13 15:56:13.675 INFO [stderr] | Dec 13 15:56:13.675 INFO [stderr] 23 | let mut mutable = 12; // Mutable `i32` Dec 13 15:56:13.675 INFO [stderr] | ^^^^^^^ Dec 13 15:56:13.675 INFO [stderr] | Dec 13 15:56:13.675 INFO [stderr] = note: consider using `_mutable` instead Dec 13 15:56:13.675 INFO [stderr] Dec 13 15:56:13.679 INFO [stderr] warning: value assigned to `mutable` is never read Dec 13 15:56:13.679 INFO [stderr] --> src/main.rs:24:5 Dec 13 15:56:13.679 INFO [stderr] | Dec 13 15:56:13.679 INFO [stderr] 24 | mutable = 21; Dec 13 15:56:13.679 INFO [stderr] | ^^^^^^^ Dec 13 15:56:13.679 INFO [stderr] Dec 13 15:56:13.679 INFO [stderr] warning: value assigned to `mutable` is never read Dec 13 15:56:13.679 INFO [stderr] --> src/main.rs:27:5 Dec 13 15:56:13.679 INFO [stderr] | Dec 13 15:56:13.679 INFO [stderr] 27 | mutable = 11; Dec 13 15:56:13.679 INFO [stderr] | ^^^^^^^ Dec 13 15:56:13.679 INFO [stderr] Dec 13 15:56:13.679 INFO [stderr] warning: unused variable: `mutable` Dec 13 15:56:13.679 INFO [stderr] --> src/main.rs:30:9 Dec 13 15:56:13.679 INFO [stderr] | Dec 13 15:56:13.679 INFO [stderr] 30 | let mutable = true; Dec 13 15:56:13.679 INFO [stderr] | ^^^^^^^ help: consider using `_mutable` instead Dec 13 15:56:13.679 INFO [stderr] Dec 13 15:56:13.679 INFO [stderr] warning: unused variable: `a` Dec 13 15:56:13.679 INFO [stderr] --> src/main.rs:36:9 Dec 13 15:56:13.679 INFO [stderr] | Dec 13 15:56:13.679 INFO [stderr] 36 | let a = [1, 2, 3]; // a: [i32; 3] Dec 13 15:56:13.679 INFO [stderr] | ^ help: consider using `_a` instead Dec 13 15:56:13.679 INFO [stderr] Dec 13 15:56:13.679 INFO [stderr] warning: unused variable: `middle` Dec 13 15:56:13.679 INFO [stderr] --> src/main.rs:61:9 Dec 13 15:56:13.679 INFO [stderr] | Dec 13 15:56:13.679 INFO [stderr] 61 | let middle = &a[1..3]; Dec 13 15:56:13.679 INFO [stderr] | ^^^^^^ help: consider using `_middle` instead Dec 13 15:56:13.679 INFO [stderr] Dec 13 15:56:13.679 INFO [stderr] warning: unused variable: `a` Dec 13 15:56:13.679 INFO [stderr] --> src/main.rs:67:10 Dec 13 15:56:13.679 INFO [stderr] | Dec 13 15:56:13.679 INFO [stderr] 67 | let (a, b, c) = y; Dec 13 15:56:13.679 INFO [stderr] | ^ help: consider using `_a` instead Dec 13 15:56:13.679 INFO [stderr] Dec 13 15:56:13.679 INFO [stderr] warning: unused variable: `b` Dec 13 15:56:13.679 INFO [stderr] --> src/main.rs:67:13 Dec 13 15:56:13.679 INFO [stderr] | Dec 13 15:56:13.679 INFO [stderr] 67 | let (a, b, c) = y; Dec 13 15:56:13.679 INFO [stderr] | ^ help: consider using `_b` instead Dec 13 15:56:13.679 INFO [stderr] Dec 13 15:56:13.679 INFO [stderr] warning: unused variable: `y` Dec 13 15:56:13.679 INFO [stderr] --> src/main.rs:73:9 Dec 13 15:56:13.679 INFO [stderr] | Dec 13 15:56:13.679 INFO [stderr] 73 | let y = tuple.1; Dec 13 15:56:13.679 INFO [stderr] | ^ help: consider using `_y` instead Dec 13 15:56:13.679 INFO [stderr] Dec 13 15:56:13.679 INFO [stderr] warning: unused variable: `z` Dec 13 15:56:13.680 INFO [stderr] --> src/main.rs:74:9 Dec 13 15:56:13.680 INFO [stderr] | Dec 13 15:56:13.680 INFO [stderr] 74 | let z = tuple.2; Dec 13 15:56:13.680 INFO [stderr] | ^ help: consider using `_z` instead Dec 13 15:56:13.680 INFO [stderr] Dec 13 15:56:13.680 INFO [stderr] warning: unused variable: `j` Dec 13 15:56:13.680 INFO [stderr] --> src/main.rs:91:9 Dec 13 15:56:13.680 INFO [stderr] | Dec 13 15:56:13.680 INFO [stderr] 91 | let j: i32 = 0; Dec 13 15:56:13.680 INFO [stderr] | ^ help: consider using `_j` instead Dec 13 15:56:13.680 INFO [stderr] Dec 13 15:56:13.680 INFO [stderr] warning: unused variable: `v2` Dec 13 15:56:13.680 INFO [stderr] --> src/main.rs:119:9 Dec 13 15:56:13.680 INFO [stderr] | Dec 13 15:56:13.680 INFO [stderr] 119 | let v2 = v; Dec 13 15:56:13.680 INFO [stderr] | ^^ help: consider using `_v2` instead Dec 13 15:56:13.680 INFO [stderr] Dec 13 15:56:13.698 INFO [stderr] warning: function is never used: `diverges` Dec 13 15:56:13.698 INFO [stderr] --> src/main.rs:188:1 Dec 13 15:56:13.698 INFO [stderr] | Dec 13 15:56:13.698 INFO [stderr] 188 | fn diverges() -> ! { Dec 13 15:56:13.698 INFO [stderr] | ^^^^^^^^^^^^^^^^^^ Dec 13 15:56:13.698 INFO [stderr] | Dec 13 15:56:13.698 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 13 15:56:13.698 INFO [stderr] Dec 13 15:56:14.123 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.92s Dec 13 15:56:14.123 INFO [stderr] su: No module specific data is present Dec 13 15:56:14.455 INFO running `"docker" "inspect" "eb9a39aae9225bf857db63ff3da28b3db70639ebba7e621397daf5a3d030dddc"` Dec 13 15:56:14.590 INFO running `"docker" "rm" "-f" "eb9a39aae9225bf857db63ff3da28b3db70639ebba7e621397daf5a3d030dddc"` Dec 13 15:56:14.661 INFO [stdout] eb9a39aae9225bf857db63ff3da28b3db70639ebba7e621397daf5a3d030dddc Dec 13 15:56:14.663 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 13 15:56:14.877 INFO [stdout] f9895bc57266e8db491dab745f3223c43546369055caed561928ee3dc31958f6 Dec 13 15:56:14.928 INFO running `"docker" "start" "-a" "f9895bc57266e8db491dab745f3223c43546369055caed561928ee3dc31958f6"` Dec 13 15:56:15.419 INFO [stderr] usermod: no changes Dec 13 15:56:15.464 INFO [stderr] Compiling rust_demo v0.1.0 (/source) Dec 13 15:56:15.875 INFO [stderr] warning: unnecessary parentheses around `for` head expression Dec 13 15:56:15.875 INFO [stderr] --> src/main.rs:214:14 Dec 13 15:56:15.875 INFO [stderr] | Dec 13 15:56:15.875 INFO [stderr] 214 | for x in (0..11) { Dec 13 15:56:15.875 INFO [stderr] | ^^^^^^^ help: remove these parentheses Dec 13 15:56:15.875 INFO [stderr] | Dec 13 15:56:15.875 INFO [stderr] = note: #[warn(unused_parens)] on by default Dec 13 15:56:15.875 INFO [stderr] Dec 13 15:56:15.976 INFO [stderr] warning: variable `inferred_type` is assigned to, but never used Dec 13 15:56:15.976 INFO [stderr] --> src/main.rs:19:13 Dec 13 15:56:15.976 INFO [stderr] | Dec 13 15:56:15.976 INFO [stderr] 19 | let mut inferred_type = 12; // Type i64 is inferred from another line Dec 13 15:56:15.976 INFO [stderr] | ^^^^^^^^^^^^^ Dec 13 15:56:15.976 INFO [stderr] | Dec 13 15:56:15.976 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 13 15:56:15.976 INFO [stderr] = note: consider using `_inferred_type` instead Dec 13 15:56:15.976 INFO [stderr] Dec 13 15:56:15.976 INFO [stderr] warning: value assigned to `inferred_type` is never read Dec 13 15:56:15.976 INFO [stderr] --> src/main.rs:20:5 Dec 13 15:56:15.976 INFO [stderr] | Dec 13 15:56:15.976 INFO [stderr] 20 | inferred_type = 4294967296i64; Dec 13 15:56:15.976 INFO [stderr] | ^^^^^^^^^^^^^ Dec 13 15:56:15.976 INFO [stderr] | Dec 13 15:56:15.976 INFO [stderr] = note: #[warn(unused_assignments)] on by default Dec 13 15:56:15.976 INFO [stderr] Dec 13 15:56:15.976 INFO [stderr] warning: variable `mutable` is assigned to, but never used Dec 13 15:56:15.976 INFO [stderr] --> src/main.rs:23:13 Dec 13 15:56:15.976 INFO [stderr] | Dec 13 15:56:15.976 INFO [stderr] 23 | let mut mutable = 12; // Mutable `i32` Dec 13 15:56:15.976 INFO [stderr] | ^^^^^^^ Dec 13 15:56:15.976 INFO [stderr] | Dec 13 15:56:15.976 INFO [stderr] = note: consider using `_mutable` instead Dec 13 15:56:15.976 INFO [stderr] Dec 13 15:56:15.976 INFO [stderr] warning: value assigned to `mutable` is never read Dec 13 15:56:15.976 INFO [stderr] --> src/main.rs:24:5 Dec 13 15:56:15.976 INFO [stderr] | Dec 13 15:56:15.976 INFO [stderr] 24 | mutable = 21; Dec 13 15:56:15.976 INFO [stderr] | ^^^^^^^ Dec 13 15:56:15.976 INFO [stderr] Dec 13 15:56:15.976 INFO [stderr] warning: value assigned to `mutable` is never read Dec 13 15:56:15.976 INFO [stderr] --> src/main.rs:27:5 Dec 13 15:56:15.976 INFO [stderr] | Dec 13 15:56:15.976 INFO [stderr] 27 | mutable = 11; Dec 13 15:56:15.976 INFO [stderr] | ^^^^^^^ Dec 13 15:56:15.976 INFO [stderr] Dec 13 15:56:15.976 INFO [stderr] warning: unused variable: `mutable` Dec 13 15:56:15.976 INFO [stderr] --> src/main.rs:30:9 Dec 13 15:56:15.976 INFO [stderr] | Dec 13 15:56:15.976 INFO [stderr] 30 | let mutable = true; Dec 13 15:56:15.976 INFO [stderr] | ^^^^^^^ help: consider using `_mutable` instead Dec 13 15:56:15.976 INFO [stderr] Dec 13 15:56:15.976 INFO [stderr] warning: unused variable: `a` Dec 13 15:56:15.976 INFO [stderr] --> src/main.rs:36:9 Dec 13 15:56:15.976 INFO [stderr] | Dec 13 15:56:15.977 INFO [stderr] 36 | let a = [1, 2, 3]; // a: [i32; 3] Dec 13 15:56:15.977 INFO [stderr] | ^ help: consider using `_a` instead Dec 13 15:56:15.977 INFO [stderr] Dec 13 15:56:15.977 INFO [stderr] warning: unused variable: `middle` Dec 13 15:56:15.977 INFO [stderr] --> src/main.rs:61:9 Dec 13 15:56:15.977 INFO [stderr] | Dec 13 15:56:15.977 INFO [stderr] 61 | let middle = &a[1..3]; Dec 13 15:56:15.977 INFO [stderr] | ^^^^^^ help: consider using `_middle` instead Dec 13 15:56:15.977 INFO [stderr] Dec 13 15:56:15.977 INFO [stderr] warning: unused variable: `a` Dec 13 15:56:15.977 INFO [stderr] --> src/main.rs:67:10 Dec 13 15:56:15.977 INFO [stderr] | Dec 13 15:56:15.977 INFO [stderr] 67 | let (a, b, c) = y; Dec 13 15:56:15.977 INFO [stderr] | ^ help: consider using `_a` instead Dec 13 15:56:15.977 INFO [stderr] Dec 13 15:56:15.977 INFO [stderr] warning: unused variable: `b` Dec 13 15:56:15.977 INFO [stderr] --> src/main.rs:67:13 Dec 13 15:56:15.977 INFO [stderr] | Dec 13 15:56:15.977 INFO [stderr] 67 | let (a, b, c) = y; Dec 13 15:56:15.977 INFO [stderr] | ^ help: consider using `_b` instead Dec 13 15:56:15.977 INFO [stderr] Dec 13 15:56:15.977 INFO [stderr] warning: unused variable: `y` Dec 13 15:56:15.977 INFO [stderr] --> src/main.rs:73:9 Dec 13 15:56:15.977 INFO [stderr] | Dec 13 15:56:15.977 INFO [stderr] 73 | let y = tuple.1; Dec 13 15:56:15.977 INFO [stderr] | ^ help: consider using `_y` instead Dec 13 15:56:15.977 INFO [stderr] Dec 13 15:56:15.977 INFO [stderr] warning: unused variable: `z` Dec 13 15:56:15.977 INFO [stderr] --> src/main.rs:74:9 Dec 13 15:56:15.977 INFO [stderr] | Dec 13 15:56:15.977 INFO [stderr] 74 | let z = tuple.2; Dec 13 15:56:15.977 INFO [stderr] | ^ help: consider using `_z` instead Dec 13 15:56:15.977 INFO [stderr] Dec 13 15:56:15.977 INFO [stderr] warning: unused variable: `j` Dec 13 15:56:15.977 INFO [stderr] --> src/main.rs:91:9 Dec 13 15:56:15.977 INFO [stderr] | Dec 13 15:56:15.977 INFO [stderr] 91 | let j: i32 = 0; Dec 13 15:56:15.977 INFO [stderr] | ^ help: consider using `_j` instead Dec 13 15:56:15.977 INFO [stderr] Dec 13 15:56:15.977 INFO [stderr] warning: unused variable: `v2` Dec 13 15:56:15.977 INFO [stderr] --> src/main.rs:119:9 Dec 13 15:56:15.977 INFO [stderr] | Dec 13 15:56:15.977 INFO [stderr] 119 | let v2 = v; Dec 13 15:56:15.977 INFO [stderr] | ^^ help: consider using `_v2` instead Dec 13 15:56:15.977 INFO [stderr] Dec 13 15:56:16.011 INFO [stderr] warning: function is never used: `diverges` Dec 13 15:56:16.011 INFO [stderr] --> src/main.rs:188:1 Dec 13 15:56:16.011 INFO [stderr] | Dec 13 15:56:16.011 INFO [stderr] 188 | fn diverges() -> ! { Dec 13 15:56:16.011 INFO [stderr] | ^^^^^^^^^^^^^^^^^^ Dec 13 15:56:16.011 INFO [stderr] | Dec 13 15:56:16.011 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 13 15:56:16.011 INFO [stderr] Dec 13 15:56:16.221 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.78s Dec 13 15:56:16.224 INFO [stderr] su: No module specific data is present Dec 13 15:56:16.467 INFO running `"docker" "inspect" "f9895bc57266e8db491dab745f3223c43546369055caed561928ee3dc31958f6"` Dec 13 15:56:16.532 INFO running `"docker" "rm" "-f" "f9895bc57266e8db491dab745f3223c43546369055caed561928ee3dc31958f6"` Dec 13 15:56:16.643 INFO [stdout] f9895bc57266e8db491dab745f3223c43546369055caed561928ee3dc31958f6 Dec 13 15:56:16.646 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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 13 15:56:16.869 INFO [stdout] 294e29e2f4d505f722f9211d2835890f49f0387d6a74dde24c5497abfc24f991 Dec 13 15:56:16.872 INFO running `"docker" "start" "-a" "294e29e2f4d505f722f9211d2835890f49f0387d6a74dde24c5497abfc24f991"` Dec 13 15:56:17.399 INFO [stderr] usermod: no changes Dec 13 15:56:17.451 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s Dec 13 15:56:17.451 INFO [stderr] Running /target/debug/deps/rust_demo-815d679de9c469ea Dec 13 15:56:17.451 INFO [stderr] su: No module specific data is present Dec 13 15:56:17.452 INFO [stdout] Dec 13 15:56:17.452 INFO [stdout] running 0 tests Dec 13 15:56:17.452 INFO [stdout] Dec 13 15:56:17.452 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 13 15:56:17.452 INFO [stdout] Dec 13 15:56:17.736 INFO running `"docker" "inspect" "294e29e2f4d505f722f9211d2835890f49f0387d6a74dde24c5497abfc24f991"` Dec 13 15:56:17.812 INFO running `"docker" "rm" "-f" "294e29e2f4d505f722f9211d2835890f49f0387d6a74dde24c5497abfc24f991"` Dec 13 15:56:17.878 INFO [stdout] 294e29e2f4d505f722f9211d2835890f49f0387d6a74dde24c5497abfc24f991