Dec 05 20:13:15.024 INFO testing java007hf/Rust_demo against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514 Dec 05 20:13:15.025 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 20:13:15.287 INFO [stdout] f531e7c97966603a68a9b61791049f5ae7c4d8a3fddb5ed7744938dd4fd35d72 Dec 05 20:13:15.289 INFO running `"docker" "start" "-a" "f531e7c97966603a68a9b61791049f5ae7c4d8a3fddb5ed7744938dd4fd35d72"` Dec 05 20:13:15.907 INFO [stderr] usermod: no changes Dec 05 20:13:15.941 INFO [stderr] Compiling rust_demo v0.1.0 (/source) Dec 05 20:13:16.213 INFO [stderr] warning: unnecessary parentheses around `for` head expression Dec 05 20:13:16.213 INFO [stderr] --> src/main.rs:214:14 Dec 05 20:13:16.213 INFO [stderr] | Dec 05 20:13:16.213 INFO [stderr] 214 | for x in (0..11) { Dec 05 20:13:16.213 INFO [stderr] | ^^^^^^^ help: remove these parentheses Dec 05 20:13:16.213 INFO [stderr] | Dec 05 20:13:16.213 INFO [stderr] = note: #[warn(unused_parens)] on by default Dec 05 20:13:16.213 INFO [stderr] Dec 05 20:13:16.314 INFO [stderr] warning: variable `inferred_type` is assigned to, but never used Dec 05 20:13:16.314 INFO [stderr] --> src/main.rs:19:13 Dec 05 20:13:16.314 INFO [stderr] | Dec 05 20:13:16.314 INFO [stderr] 19 | let mut inferred_type = 12; // Type i64 is inferred from another line Dec 05 20:13:16.314 INFO [stderr] | ^^^^^^^^^^^^^ Dec 05 20:13:16.314 INFO [stderr] | Dec 05 20:13:16.314 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 05 20:13:16.315 INFO [stderr] = note: consider using `_inferred_type` instead Dec 05 20:13:16.315 INFO [stderr] Dec 05 20:13:16.315 INFO [stderr] warning: value assigned to `inferred_type` is never read Dec 05 20:13:16.315 INFO [stderr] --> src/main.rs:20:5 Dec 05 20:13:16.315 INFO [stderr] | Dec 05 20:13:16.315 INFO [stderr] 20 | inferred_type = 4294967296i64; Dec 05 20:13:16.315 INFO [stderr] | ^^^^^^^^^^^^^ Dec 05 20:13:16.315 INFO [stderr] | Dec 05 20:13:16.315 INFO [stderr] = note: #[warn(unused_assignments)] on by default Dec 05 20:13:16.315 INFO [stderr] Dec 05 20:13:16.315 INFO [stderr] warning: variable `mutable` is assigned to, but never used Dec 05 20:13:16.315 INFO [stderr] --> src/main.rs:23:13 Dec 05 20:13:16.315 INFO [stderr] | Dec 05 20:13:16.315 INFO [stderr] 23 | let mut mutable = 12; // Mutable `i32` Dec 05 20:13:16.315 INFO [stderr] | ^^^^^^^ Dec 05 20:13:16.315 INFO [stderr] | Dec 05 20:13:16.315 INFO [stderr] = note: consider using `_mutable` instead Dec 05 20:13:16.315 INFO [stderr] Dec 05 20:13:16.315 INFO [stderr] warning: value assigned to `mutable` is never read Dec 05 20:13:16.315 INFO [stderr] --> src/main.rs:24:5 Dec 05 20:13:16.315 INFO [stderr] | Dec 05 20:13:16.315 INFO [stderr] 24 | mutable = 21; Dec 05 20:13:16.315 INFO [stderr] | ^^^^^^^ Dec 05 20:13:16.315 INFO [stderr] Dec 05 20:13:16.315 INFO [stderr] warning: value assigned to `mutable` is never read Dec 05 20:13:16.315 INFO [stderr] --> src/main.rs:27:5 Dec 05 20:13:16.315 INFO [stderr] | Dec 05 20:13:16.315 INFO [stderr] 27 | mutable = 11; Dec 05 20:13:16.315 INFO [stderr] | ^^^^^^^ Dec 05 20:13:16.315 INFO [stderr] Dec 05 20:13:16.315 INFO [stderr] warning: unused variable: `mutable` Dec 05 20:13:16.315 INFO [stderr] --> src/main.rs:30:9 Dec 05 20:13:16.315 INFO [stderr] | Dec 05 20:13:16.315 INFO [stderr] 30 | let mutable = true; Dec 05 20:13:16.315 INFO [stderr] | ^^^^^^^ help: consider using `_mutable` instead Dec 05 20:13:16.315 INFO [stderr] Dec 05 20:13:16.315 INFO [stderr] warning: unused variable: `a` Dec 05 20:13:16.315 INFO [stderr] --> src/main.rs:36:9 Dec 05 20:13:16.315 INFO [stderr] | Dec 05 20:13:16.315 INFO [stderr] 36 | let a = [1, 2, 3]; // a: [i32; 3] Dec 05 20:13:16.315 INFO [stderr] | ^ help: consider using `_a` instead Dec 05 20:13:16.315 INFO [stderr] Dec 05 20:13:16.315 INFO [stderr] warning: unused variable: `middle` Dec 05 20:13:16.315 INFO [stderr] --> src/main.rs:61:9 Dec 05 20:13:16.315 INFO [stderr] | Dec 05 20:13:16.315 INFO [stderr] 61 | let middle = &a[1..3]; Dec 05 20:13:16.315 INFO [stderr] | ^^^^^^ help: consider using `_middle` instead Dec 05 20:13:16.315 INFO [stderr] Dec 05 20:13:16.315 INFO [stderr] warning: unused variable: `a` Dec 05 20:13:16.315 INFO [stderr] --> src/main.rs:67:10 Dec 05 20:13:16.315 INFO [stderr] | Dec 05 20:13:16.315 INFO [stderr] 67 | let (a, b, c) = y; Dec 05 20:13:16.315 INFO [stderr] | ^ help: consider using `_a` instead Dec 05 20:13:16.315 INFO [stderr] Dec 05 20:13:16.315 INFO [stderr] warning: unused variable: `b` Dec 05 20:13:16.315 INFO [stderr] --> src/main.rs:67:13 Dec 05 20:13:16.315 INFO [stderr] | Dec 05 20:13:16.315 INFO [stderr] 67 | let (a, b, c) = y; Dec 05 20:13:16.315 INFO [stderr] | ^ help: consider using `_b` instead Dec 05 20:13:16.315 INFO [stderr] Dec 05 20:13:16.315 INFO [stderr] warning: unused variable: `y` Dec 05 20:13:16.315 INFO [stderr] --> src/main.rs:73:9 Dec 05 20:13:16.315 INFO [stderr] | Dec 05 20:13:16.315 INFO [stderr] 73 | let y = tuple.1; Dec 05 20:13:16.315 INFO [stderr] | ^ help: consider using `_y` instead Dec 05 20:13:16.315 INFO [stderr] Dec 05 20:13:16.315 INFO [stderr] warning: unused variable: `z` Dec 05 20:13:16.315 INFO [stderr] --> src/main.rs:74:9 Dec 05 20:13:16.315 INFO [stderr] | Dec 05 20:13:16.315 INFO [stderr] 74 | let z = tuple.2; Dec 05 20:13:16.315 INFO [stderr] | ^ help: consider using `_z` instead Dec 05 20:13:16.315 INFO [stderr] Dec 05 20:13:16.315 INFO [stderr] warning: unused variable: `j` Dec 05 20:13:16.315 INFO [stderr] --> src/main.rs:91:9 Dec 05 20:13:16.315 INFO [stderr] | Dec 05 20:13:16.315 INFO [stderr] 91 | let j: i32 = 0; Dec 05 20:13:16.315 INFO [stderr] | ^ help: consider using `_j` instead Dec 05 20:13:16.315 INFO [stderr] Dec 05 20:13:16.315 INFO [stderr] warning: unused variable: `v2` Dec 05 20:13:16.315 INFO [stderr] --> src/main.rs:119:9 Dec 05 20:13:16.315 INFO [stderr] | Dec 05 20:13:16.315 INFO [stderr] 119 | let v2 = v; Dec 05 20:13:16.315 INFO [stderr] | ^^ help: consider using `_v2` instead Dec 05 20:13:16.315 INFO [stderr] Dec 05 20:13:16.334 INFO [stderr] warning: function is never used: `diverges` Dec 05 20:13:16.334 INFO [stderr] --> src/main.rs:188:1 Dec 05 20:13:16.334 INFO [stderr] | Dec 05 20:13:16.334 INFO [stderr] 188 | fn diverges() -> ! { Dec 05 20:13:16.334 INFO [stderr] | ^^^^^^^^^^^^^^^^^^ Dec 05 20:13:16.334 INFO [stderr] | Dec 05 20:13:16.334 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 05 20:13:16.334 INFO [stderr] Dec 05 20:13:16.696 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.77s Dec 05 20:13:16.699 INFO [stderr] su: No module specific data is present Dec 05 20:13:16.981 INFO running `"docker" "inspect" "f531e7c97966603a68a9b61791049f5ae7c4d8a3fddb5ed7744938dd4fd35d72"` Dec 05 20:13:17.076 INFO running `"docker" "rm" "-f" "f531e7c97966603a68a9b61791049f5ae7c4d8a3fddb5ed7744938dd4fd35d72"` Dec 05 20:13:17.166 INFO [stdout] f531e7c97966603a68a9b61791049f5ae7c4d8a3fddb5ed7744938dd4fd35d72 Dec 05 20:13:17.170 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 20:13:17.338 INFO [stdout] 159f4ddeb38cad3df7c73536207b9702b2343655dca5d23aff4e8c0a437bd7e8 Dec 05 20:13:17.341 INFO running `"docker" "start" "-a" "159f4ddeb38cad3df7c73536207b9702b2343655dca5d23aff4e8c0a437bd7e8"` Dec 05 20:13:17.719 INFO [stderr] usermod: no changes Dec 05 20:13:17.758 INFO [stderr] Compiling rust_demo v0.1.0 (/source) Dec 05 20:13:18.096 INFO [stderr] warning: unnecessary parentheses around `for` head expression Dec 05 20:13:18.096 INFO [stderr] --> src/main.rs:214:14 Dec 05 20:13:18.096 INFO [stderr] | Dec 05 20:13:18.096 INFO [stderr] 214 | for x in (0..11) { Dec 05 20:13:18.096 INFO [stderr] | ^^^^^^^ help: remove these parentheses Dec 05 20:13:18.096 INFO [stderr] | Dec 05 20:13:18.096 INFO [stderr] = note: #[warn(unused_parens)] on by default Dec 05 20:13:18.096 INFO [stderr] Dec 05 20:13:18.218 INFO [stderr] warning: variable `inferred_type` is assigned to, but never used Dec 05 20:13:18.218 INFO [stderr] --> src/main.rs:19:13 Dec 05 20:13:18.218 INFO [stderr] | Dec 05 20:13:18.218 INFO [stderr] 19 | let mut inferred_type = 12; // Type i64 is inferred from another line Dec 05 20:13:18.218 INFO [stderr] | ^^^^^^^^^^^^^ Dec 05 20:13:18.218 INFO [stderr] | Dec 05 20:13:18.218 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 05 20:13:18.218 INFO [stderr] = note: consider using `_inferred_type` instead Dec 05 20:13:18.218 INFO [stderr] Dec 05 20:13:18.218 INFO [stderr] warning: value assigned to `inferred_type` is never read Dec 05 20:13:18.218 INFO [stderr] --> src/main.rs:20:5 Dec 05 20:13:18.218 INFO [stderr] | Dec 05 20:13:18.218 INFO [stderr] 20 | inferred_type = 4294967296i64; Dec 05 20:13:18.218 INFO [stderr] | ^^^^^^^^^^^^^ Dec 05 20:13:18.218 INFO [stderr] | Dec 05 20:13:18.218 INFO [stderr] = note: #[warn(unused_assignments)] on by default Dec 05 20:13:18.218 INFO [stderr] Dec 05 20:13:18.218 INFO [stderr] warning: variable `mutable` is assigned to, but never used Dec 05 20:13:18.218 INFO [stderr] --> src/main.rs:23:13 Dec 05 20:13:18.218 INFO [stderr] | Dec 05 20:13:18.218 INFO [stderr] 23 | let mut mutable = 12; // Mutable `i32` Dec 05 20:13:18.218 INFO [stderr] | ^^^^^^^ Dec 05 20:13:18.218 INFO [stderr] | Dec 05 20:13:18.218 INFO [stderr] = note: consider using `_mutable` instead Dec 05 20:13:18.219 INFO [stderr] Dec 05 20:13:18.219 INFO [stderr] warning: value assigned to `mutable` is never read Dec 05 20:13:18.219 INFO [stderr] --> src/main.rs:24:5 Dec 05 20:13:18.219 INFO [stderr] | Dec 05 20:13:18.219 INFO [stderr] 24 | mutable = 21; Dec 05 20:13:18.219 INFO [stderr] | ^^^^^^^ Dec 05 20:13:18.219 INFO [stderr] Dec 05 20:13:18.219 INFO [stderr] warning: value assigned to `mutable` is never read Dec 05 20:13:18.219 INFO [stderr] --> src/main.rs:27:5 Dec 05 20:13:18.219 INFO [stderr] | Dec 05 20:13:18.219 INFO [stderr] 27 | mutable = 11; Dec 05 20:13:18.219 INFO [stderr] | ^^^^^^^ Dec 05 20:13:18.219 INFO [stderr] Dec 05 20:13:18.219 INFO [stderr] warning: unused variable: `mutable` Dec 05 20:13:18.219 INFO [stderr] --> src/main.rs:30:9 Dec 05 20:13:18.219 INFO [stderr] | Dec 05 20:13:18.219 INFO [stderr] 30 | let mutable = true; Dec 05 20:13:18.219 INFO [stderr] | ^^^^^^^ help: consider using `_mutable` instead Dec 05 20:13:18.219 INFO [stderr] Dec 05 20:13:18.219 INFO [stderr] warning: unused variable: `a` Dec 05 20:13:18.219 INFO [stderr] --> src/main.rs:36:9 Dec 05 20:13:18.219 INFO [stderr] | Dec 05 20:13:18.219 INFO [stderr] 36 | let a = [1, 2, 3]; // a: [i32; 3] Dec 05 20:13:18.219 INFO [stderr] | ^ help: consider using `_a` instead Dec 05 20:13:18.219 INFO [stderr] Dec 05 20:13:18.219 INFO [stderr] warning: unused variable: `middle` Dec 05 20:13:18.219 INFO [stderr] --> src/main.rs:61:9 Dec 05 20:13:18.219 INFO [stderr] | Dec 05 20:13:18.219 INFO [stderr] 61 | let middle = &a[1..3]; Dec 05 20:13:18.219 INFO [stderr] | ^^^^^^ help: consider using `_middle` instead Dec 05 20:13:18.219 INFO [stderr] Dec 05 20:13:18.219 INFO [stderr] warning: unused variable: `a` Dec 05 20:13:18.219 INFO [stderr] --> src/main.rs:67:10 Dec 05 20:13:18.219 INFO [stderr] | Dec 05 20:13:18.219 INFO [stderr] 67 | let (a, b, c) = y; Dec 05 20:13:18.219 INFO [stderr] | ^ help: consider using `_a` instead Dec 05 20:13:18.219 INFO [stderr] Dec 05 20:13:18.219 INFO [stderr] warning: unused variable: `b` Dec 05 20:13:18.219 INFO [stderr] --> src/main.rs:67:13 Dec 05 20:13:18.219 INFO [stderr] | Dec 05 20:13:18.219 INFO [stderr] 67 | let (a, b, c) = y; Dec 05 20:13:18.219 INFO [stderr] | ^ help: consider using `_b` instead Dec 05 20:13:18.219 INFO [stderr] Dec 05 20:13:18.219 INFO [stderr] warning: unused variable: `y` Dec 05 20:13:18.219 INFO [stderr] --> src/main.rs:73:9 Dec 05 20:13:18.219 INFO [stderr] | Dec 05 20:13:18.219 INFO [stderr] 73 | let y = tuple.1; Dec 05 20:13:18.219 INFO [stderr] | ^ help: consider using `_y` instead Dec 05 20:13:18.219 INFO [stderr] Dec 05 20:13:18.219 INFO [stderr] warning: unused variable: `z` Dec 05 20:13:18.219 INFO [stderr] --> src/main.rs:74:9 Dec 05 20:13:18.219 INFO [stderr] | Dec 05 20:13:18.219 INFO [stderr] 74 | let z = tuple.2; Dec 05 20:13:18.219 INFO [stderr] | ^ help: consider using `_z` instead Dec 05 20:13:18.219 INFO [stderr] Dec 05 20:13:18.219 INFO [stderr] warning: unused variable: `j` Dec 05 20:13:18.219 INFO [stderr] --> src/main.rs:91:9 Dec 05 20:13:18.219 INFO [stderr] | Dec 05 20:13:18.219 INFO [stderr] 91 | let j: i32 = 0; Dec 05 20:13:18.219 INFO [stderr] | ^ help: consider using `_j` instead Dec 05 20:13:18.219 INFO [stderr] Dec 05 20:13:18.219 INFO [stderr] warning: unused variable: `v2` Dec 05 20:13:18.219 INFO [stderr] --> src/main.rs:119:9 Dec 05 20:13:18.219 INFO [stderr] | Dec 05 20:13:18.220 INFO [stderr] 119 | let v2 = v; Dec 05 20:13:18.220 INFO [stderr] | ^^ help: consider using `_v2` instead Dec 05 20:13:18.220 INFO [stderr] Dec 05 20:13:18.247 INFO [stderr] warning: function is never used: `diverges` Dec 05 20:13:18.247 INFO [stderr] --> src/main.rs:188:1 Dec 05 20:13:18.247 INFO [stderr] | Dec 05 20:13:18.247 INFO [stderr] 188 | fn diverges() -> ! { Dec 05 20:13:18.247 INFO [stderr] | ^^^^^^^^^^^^^^^^^^ Dec 05 20:13:18.247 INFO [stderr] | Dec 05 20:13:18.247 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 05 20:13:18.247 INFO [stderr] Dec 05 20:13:18.454 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.72s Dec 05 20:13:18.457 INFO [stderr] su: No module specific data is present Dec 05 20:13:18.734 INFO running `"docker" "inspect" "159f4ddeb38cad3df7c73536207b9702b2343655dca5d23aff4e8c0a437bd7e8"` Dec 05 20:13:18.802 INFO running `"docker" "rm" "-f" "159f4ddeb38cad3df7c73536207b9702b2343655dca5d23aff4e8c0a437bd7e8"` Dec 05 20:13:18.897 INFO [stdout] 159f4ddeb38cad3df7c73536207b9702b2343655dca5d23aff4e8c0a437bd7e8 Dec 05 20:13:18.902 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-3/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 20:13:19.096 INFO [stdout] 9eb48678efbeb21ea069ef4c8595083f01453505ecca87bf2d180fe1b9f053df Dec 05 20:13:19.116 INFO running `"docker" "start" "-a" "9eb48678efbeb21ea069ef4c8595083f01453505ecca87bf2d180fe1b9f053df"` Dec 05 20:13:19.500 INFO [stderr] usermod: no changes Dec 05 20:13:19.546 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s Dec 05 20:13:19.547 INFO [stderr] Running /target/debug/deps/rust_demo-b52ffad8ca91e4a5 Dec 05 20:13:19.548 INFO [stdout] Dec 05 20:13:19.548 INFO [stdout] running 0 tests Dec 05 20:13:19.548 INFO [stdout] Dec 05 20:13:19.548 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 05 20:13:19.548 INFO [stdout] Dec 05 20:13:19.550 INFO [stderr] su: No module specific data is present Dec 05 20:13:19.887 INFO running `"docker" "inspect" "9eb48678efbeb21ea069ef4c8595083f01453505ecca87bf2d180fe1b9f053df"` Dec 05 20:13:20.054 INFO running `"docker" "rm" "-f" "9eb48678efbeb21ea069ef4c8595083f01453505ecca87bf2d180fe1b9f053df"` Dec 05 20:13:20.208 INFO [stdout] 9eb48678efbeb21ea069ef4c8595083f01453505ecca87bf2d180fe1b9f053df