Dec 13 15:56:12.496 INFO testing java007hf/Rust_demo against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550 Dec 13 15:56:12.496 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 15:56:12.755 INFO [stdout] 28dedcc7ce90411e2f2f1a6c954a57597330591aa2180c95cc7f6f5c3173b002 Dec 13 15:56:12.755 INFO running `"docker" "start" "-a" "28dedcc7ce90411e2f2f1a6c954a57597330591aa2180c95cc7f6f5c3173b002"` Dec 13 15:56:13.229 INFO [stderr] usermod: no changes Dec 13 15:56:13.274 INFO [stderr] Compiling rust_demo v0.1.0 (/source) Dec 13 15:56:13.599 INFO [stderr] warning: unnecessary parentheses around `for` head expression Dec 13 15:56:13.599 INFO [stderr] --> src/main.rs:214:14 Dec 13 15:56:13.599 INFO [stderr] | Dec 13 15:56:13.599 INFO [stderr] 214 | for x in (0..11) { Dec 13 15:56:13.599 INFO [stderr] | ^^^^^^^ help: remove these parentheses Dec 13 15:56:13.599 INFO [stderr] | Dec 13 15:56:13.599 INFO [stderr] = note: #[warn(unused_parens)] on by default Dec 13 15:56:13.599 INFO [stderr] Dec 13 15:56:13.697 INFO [stderr] warning: variable `inferred_type` is assigned to, but never used Dec 13 15:56:13.697 INFO [stderr] --> src/main.rs:19:13 Dec 13 15:56:13.697 INFO [stderr] | Dec 13 15:56:13.697 INFO [stderr] 19 | let mut inferred_type = 12; // Type i64 is inferred from another line Dec 13 15:56:13.697 INFO [stderr] | ^^^^^^^^^^^^^ Dec 13 15:56:13.697 INFO [stderr] | Dec 13 15:56:13.697 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 13 15:56:13.697 INFO [stderr] = note: consider using `_inferred_type` instead Dec 13 15:56:13.697 INFO [stderr] Dec 13 15:56:13.697 INFO [stderr] warning: value assigned to `inferred_type` is never read Dec 13 15:56:13.697 INFO [stderr] --> src/main.rs:20:5 Dec 13 15:56:13.697 INFO [stderr] | Dec 13 15:56:13.697 INFO [stderr] 20 | inferred_type = 4294967296i64; Dec 13 15:56:13.697 INFO [stderr] | ^^^^^^^^^^^^^ Dec 13 15:56:13.697 INFO [stderr] | Dec 13 15:56:13.697 INFO [stderr] = note: #[warn(unused_assignments)] on by default Dec 13 15:56:13.697 INFO [stderr] Dec 13 15:56:13.697 INFO [stderr] warning: variable `mutable` is assigned to, but never used Dec 13 15:56:13.697 INFO [stderr] --> src/main.rs:23:13 Dec 13 15:56:13.697 INFO [stderr] | Dec 13 15:56:13.697 INFO [stderr] 23 | let mut mutable = 12; // Mutable `i32` Dec 13 15:56:13.697 INFO [stderr] | ^^^^^^^ Dec 13 15:56:13.697 INFO [stderr] | Dec 13 15:56:13.697 INFO [stderr] = note: consider using `_mutable` instead Dec 13 15:56:13.697 INFO [stderr] Dec 13 15:56:13.697 INFO [stderr] warning: value assigned to `mutable` is never read Dec 13 15:56:13.697 INFO [stderr] --> src/main.rs:24:5 Dec 13 15:56:13.697 INFO [stderr] | Dec 13 15:56:13.697 INFO [stderr] 24 | mutable = 21; Dec 13 15:56:13.697 INFO [stderr] | ^^^^^^^ Dec 13 15:56:13.697 INFO [stderr] Dec 13 15:56:13.697 INFO [stderr] warning: value assigned to `mutable` is never read Dec 13 15:56:13.697 INFO [stderr] --> src/main.rs:27:5 Dec 13 15:56:13.697 INFO [stderr] | Dec 13 15:56:13.697 INFO [stderr] 27 | mutable = 11; Dec 13 15:56:13.697 INFO [stderr] | ^^^^^^^ Dec 13 15:56:13.697 INFO [stderr] Dec 13 15:56:13.697 INFO [stderr] warning: unused variable: `mutable` Dec 13 15:56:13.697 INFO [stderr] --> src/main.rs:30:9 Dec 13 15:56:13.697 INFO [stderr] | Dec 13 15:56:13.697 INFO [stderr] 30 | let mutable = true; Dec 13 15:56:13.697 INFO [stderr] | ^^^^^^^ help: consider using `_mutable` instead Dec 13 15:56:13.697 INFO [stderr] Dec 13 15:56:13.697 INFO [stderr] warning: unused variable: `a` Dec 13 15:56:13.697 INFO [stderr] --> src/main.rs:36:9 Dec 13 15:56:13.697 INFO [stderr] | Dec 13 15:56:13.697 INFO [stderr] 36 | let a = [1, 2, 3]; // a: [i32; 3] Dec 13 15:56:13.697 INFO [stderr] | ^ help: consider using `_a` instead Dec 13 15:56:13.697 INFO [stderr] Dec 13 15:56:13.697 INFO [stderr] warning: unused variable: `middle` Dec 13 15:56:13.697 INFO [stderr] --> src/main.rs:61:9 Dec 13 15:56:13.697 INFO [stderr] | Dec 13 15:56:13.697 INFO [stderr] 61 | let middle = &a[1..3]; Dec 13 15:56:13.697 INFO [stderr] | ^^^^^^ help: consider using `_middle` instead Dec 13 15:56:13.697 INFO [stderr] Dec 13 15:56:13.698 INFO [stderr] warning: unused variable: `a` Dec 13 15:56:13.698 INFO [stderr] --> src/main.rs:67:10 Dec 13 15:56:13.698 INFO [stderr] | Dec 13 15:56:13.698 INFO [stderr] 67 | let (a, b, c) = y; Dec 13 15:56:13.698 INFO [stderr] | ^ help: consider using `_a` instead Dec 13 15:56:13.698 INFO [stderr] Dec 13 15:56:13.698 INFO [stderr] warning: unused variable: `b` Dec 13 15:56:13.698 INFO [stderr] --> src/main.rs:67:13 Dec 13 15:56:13.698 INFO [stderr] | Dec 13 15:56:13.698 INFO [stderr] 67 | let (a, b, c) = y; Dec 13 15:56:13.698 INFO [stderr] | ^ help: consider using `_b` instead Dec 13 15:56:13.698 INFO [stderr] Dec 13 15:56:13.698 INFO [stderr] warning: unused variable: `y` Dec 13 15:56:13.698 INFO [stderr] --> src/main.rs:73:9 Dec 13 15:56:13.698 INFO [stderr] | Dec 13 15:56:13.698 INFO [stderr] 73 | let y = tuple.1; Dec 13 15:56:13.698 INFO [stderr] | ^ help: consider using `_y` instead Dec 13 15:56:13.698 INFO [stderr] Dec 13 15:56:13.698 INFO [stderr] warning: unused variable: `z` Dec 13 15:56:13.698 INFO [stderr] --> src/main.rs:74:9 Dec 13 15:56:13.698 INFO [stderr] | Dec 13 15:56:13.698 INFO [stderr] 74 | let z = tuple.2; Dec 13 15:56:13.698 INFO [stderr] | ^ help: consider using `_z` instead Dec 13 15:56:13.698 INFO [stderr] Dec 13 15:56:13.698 INFO [stderr] warning: unused variable: `j` Dec 13 15:56:13.698 INFO [stderr] --> src/main.rs:91:9 Dec 13 15:56:13.698 INFO [stderr] | Dec 13 15:56:13.698 INFO [stderr] 91 | let j: i32 = 0; Dec 13 15:56:13.698 INFO [stderr] | ^ help: consider using `_j` instead Dec 13 15:56:13.698 INFO [stderr] Dec 13 15:56:13.698 INFO [stderr] warning: unused variable: `v2` Dec 13 15:56:13.698 INFO [stderr] --> src/main.rs:119:9 Dec 13 15:56:13.698 INFO [stderr] | Dec 13 15:56:13.698 INFO [stderr] 119 | let v2 = v; Dec 13 15:56:13.698 INFO [stderr] | ^^ help: consider using `_v2` instead Dec 13 15:56:13.698 INFO [stderr] Dec 13 15:56:13.718 INFO [stderr] warning: function is never used: `diverges` Dec 13 15:56:13.719 INFO [stderr] --> src/main.rs:188:1 Dec 13 15:56:13.719 INFO [stderr] | Dec 13 15:56:13.719 INFO [stderr] 188 | fn diverges() -> ! { Dec 13 15:56:13.719 INFO [stderr] | ^^^^^^^^^^^^^^^^^^ Dec 13 15:56:13.719 INFO [stderr] | Dec 13 15:56:13.719 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 13 15:56:13.719 INFO [stderr] Dec 13 15:56:14.146 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.90s Dec 13 15:56:14.151 INFO [stderr] su: No module specific data is present Dec 13 15:56:14.529 INFO running `"docker" "inspect" "28dedcc7ce90411e2f2f1a6c954a57597330591aa2180c95cc7f6f5c3173b002"` Dec 13 15:56:14.592 INFO running `"docker" "rm" "-f" "28dedcc7ce90411e2f2f1a6c954a57597330591aa2180c95cc7f6f5c3173b002"` Dec 13 15:56:14.683 INFO [stdout] 28dedcc7ce90411e2f2f1a6c954a57597330591aa2180c95cc7f6f5c3173b002 Dec 13 15:56:14.690 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 15:56:14.927 INFO [stdout] 4e8eb68ef77814f7d702634be96f430a1ee8c5be1ffddf1792080624f28b3ee1 Dec 13 15:56:14.927 INFO running `"docker" "start" "-a" "4e8eb68ef77814f7d702634be96f430a1ee8c5be1ffddf1792080624f28b3ee1"` Dec 13 15:56:15.435 INFO [stderr] usermod: no changes Dec 13 15:56:15.507 INFO [stderr] Compiling rust_demo v0.1.0 (/source) Dec 13 15:56:15.883 INFO [stderr] warning: unnecessary parentheses around `for` head expression Dec 13 15:56:15.883 INFO [stderr] --> src/main.rs:214:14 Dec 13 15:56:15.883 INFO [stderr] | Dec 13 15:56:15.883 INFO [stderr] 214 | for x in (0..11) { Dec 13 15:56:15.883 INFO [stderr] | ^^^^^^^ help: remove these parentheses Dec 13 15:56:15.883 INFO [stderr] | Dec 13 15:56:15.883 INFO [stderr] = note: #[warn(unused_parens)] on by default Dec 13 15:56:15.883 INFO [stderr] Dec 13 15:56:15.993 INFO [stderr] warning: variable `inferred_type` is assigned to, but never used Dec 13 15:56:15.993 INFO [stderr] --> src/main.rs:19:13 Dec 13 15:56:15.993 INFO [stderr] | Dec 13 15:56:15.993 INFO [stderr] 19 | let mut inferred_type = 12; // Type i64 is inferred from another line Dec 13 15:56:15.993 INFO [stderr] | ^^^^^^^^^^^^^ Dec 13 15:56:15.993 INFO [stderr] | Dec 13 15:56:15.993 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 13 15:56:15.993 INFO [stderr] = note: consider using `_inferred_type` instead Dec 13 15:56:15.993 INFO [stderr] Dec 13 15:56:15.993 INFO [stderr] warning: value assigned to `inferred_type` is never read Dec 13 15:56:15.994 INFO [stderr] --> src/main.rs:20:5 Dec 13 15:56:15.994 INFO [stderr] | Dec 13 15:56:15.994 INFO [stderr] 20 | inferred_type = 4294967296i64; Dec 13 15:56:15.994 INFO [stderr] | ^^^^^^^^^^^^^ Dec 13 15:56:15.994 INFO [stderr] | Dec 13 15:56:15.994 INFO [stderr] = note: #[warn(unused_assignments)] on by default Dec 13 15:56:15.994 INFO [stderr] Dec 13 15:56:15.994 INFO [stderr] warning: variable `mutable` is assigned to, but never used Dec 13 15:56:15.994 INFO [stderr] --> src/main.rs:23:13 Dec 13 15:56:15.994 INFO [stderr] | Dec 13 15:56:15.994 INFO [stderr] 23 | let mut mutable = 12; // Mutable `i32` Dec 13 15:56:15.994 INFO [stderr] | ^^^^^^^ Dec 13 15:56:15.994 INFO [stderr] | Dec 13 15:56:15.994 INFO [stderr] = note: consider using `_mutable` instead Dec 13 15:56:15.994 INFO [stderr] Dec 13 15:56:15.994 INFO [stderr] warning: value assigned to `mutable` is never read Dec 13 15:56:15.994 INFO [stderr] --> src/main.rs:24:5 Dec 13 15:56:15.994 INFO [stderr] | Dec 13 15:56:15.994 INFO [stderr] 24 | mutable = 21; Dec 13 15:56:15.994 INFO [stderr] | ^^^^^^^ Dec 13 15:56:15.994 INFO [stderr] Dec 13 15:56:15.994 INFO [stderr] warning: value assigned to `mutable` is never read Dec 13 15:56:15.994 INFO [stderr] --> src/main.rs:27:5 Dec 13 15:56:15.994 INFO [stderr] | Dec 13 15:56:15.994 INFO [stderr] 27 | mutable = 11; Dec 13 15:56:15.994 INFO [stderr] | ^^^^^^^ Dec 13 15:56:15.994 INFO [stderr] Dec 13 15:56:15.994 INFO [stderr] warning: unused variable: `mutable` Dec 13 15:56:15.994 INFO [stderr] --> src/main.rs:30:9 Dec 13 15:56:15.994 INFO [stderr] | Dec 13 15:56:15.994 INFO [stderr] 30 | let mutable = true; Dec 13 15:56:15.994 INFO [stderr] | ^^^^^^^ help: consider using `_mutable` instead Dec 13 15:56:15.994 INFO [stderr] Dec 13 15:56:15.994 INFO [stderr] warning: unused variable: `a` Dec 13 15:56:15.994 INFO [stderr] --> src/main.rs:36:9 Dec 13 15:56:15.994 INFO [stderr] | Dec 13 15:56:15.994 INFO [stderr] 36 | let a = [1, 2, 3]; // a: [i32; 3] Dec 13 15:56:15.994 INFO [stderr] | ^ help: consider using `_a` instead Dec 13 15:56:15.994 INFO [stderr] Dec 13 15:56:15.994 INFO [stderr] warning: unused variable: `middle` Dec 13 15:56:15.994 INFO [stderr] --> src/main.rs:61:9 Dec 13 15:56:15.994 INFO [stderr] | Dec 13 15:56:15.994 INFO [stderr] 61 | let middle = &a[1..3]; Dec 13 15:56:15.994 INFO [stderr] | ^^^^^^ help: consider using `_middle` instead Dec 13 15:56:15.994 INFO [stderr] Dec 13 15:56:15.994 INFO [stderr] warning: unused variable: `a` Dec 13 15:56:15.994 INFO [stderr] --> src/main.rs:67:10 Dec 13 15:56:15.994 INFO [stderr] | Dec 13 15:56:15.994 INFO [stderr] 67 | let (a, b, c) = y; Dec 13 15:56:15.994 INFO [stderr] | ^ help: consider using `_a` instead Dec 13 15:56:15.994 INFO [stderr] Dec 13 15:56:15.994 INFO [stderr] warning: unused variable: `b` Dec 13 15:56:15.994 INFO [stderr] --> src/main.rs:67:13 Dec 13 15:56:15.994 INFO [stderr] | Dec 13 15:56:15.994 INFO [stderr] 67 | let (a, b, c) = y; Dec 13 15:56:15.994 INFO [stderr] | ^ help: consider using `_b` instead Dec 13 15:56:15.994 INFO [stderr] Dec 13 15:56:15.994 INFO [stderr] warning: unused variable: `y` Dec 13 15:56:15.994 INFO [stderr] --> src/main.rs:73:9 Dec 13 15:56:15.994 INFO [stderr] | Dec 13 15:56:15.994 INFO [stderr] 73 | let y = tuple.1; Dec 13 15:56:15.994 INFO [stderr] | ^ help: consider using `_y` instead Dec 13 15:56:15.994 INFO [stderr] Dec 13 15:56:15.994 INFO [stderr] warning: unused variable: `z` Dec 13 15:56:15.994 INFO [stderr] --> src/main.rs:74:9 Dec 13 15:56:15.994 INFO [stderr] | Dec 13 15:56:15.994 INFO [stderr] 74 | let z = tuple.2; Dec 13 15:56:15.994 INFO [stderr] | ^ help: consider using `_z` instead Dec 13 15:56:15.994 INFO [stderr] Dec 13 15:56:15.994 INFO [stderr] warning: unused variable: `j` Dec 13 15:56:15.994 INFO [stderr] --> src/main.rs:91:9 Dec 13 15:56:15.994 INFO [stderr] | Dec 13 15:56:15.994 INFO [stderr] 91 | let j: i32 = 0; Dec 13 15:56:15.994 INFO [stderr] | ^ help: consider using `_j` instead Dec 13 15:56:15.994 INFO [stderr] Dec 13 15:56:15.994 INFO [stderr] warning: unused variable: `v2` Dec 13 15:56:15.994 INFO [stderr] --> src/main.rs:119:9 Dec 13 15:56:15.994 INFO [stderr] | Dec 13 15:56:15.994 INFO [stderr] 119 | let v2 = v; Dec 13 15:56:15.994 INFO [stderr] | ^^ help: consider using `_v2` instead Dec 13 15:56:15.994 INFO [stderr] Dec 13 15:56:16.027 INFO [stderr] warning: function is never used: `diverges` Dec 13 15:56:16.027 INFO [stderr] --> src/main.rs:188:1 Dec 13 15:56:16.027 INFO [stderr] | Dec 13 15:56:16.027 INFO [stderr] 188 | fn diverges() -> ! { Dec 13 15:56:16.027 INFO [stderr] | ^^^^^^^^^^^^^^^^^^ Dec 13 15:56:16.027 INFO [stderr] | Dec 13 15:56:16.027 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 13 15:56:16.027 INFO [stderr] Dec 13 15:56:16.241 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.78s Dec 13 15:56:16.243 INFO [stderr] su: No module specific data is present Dec 13 15:56:16.464 INFO running `"docker" "inspect" "4e8eb68ef77814f7d702634be96f430a1ee8c5be1ffddf1792080624f28b3ee1"` Dec 13 15:56:16.520 INFO running `"docker" "rm" "-f" "4e8eb68ef77814f7d702634be96f430a1ee8c5be1ffddf1792080624f28b3ee1"` Dec 13 15:56:16.618 INFO [stdout] 4e8eb68ef77814f7d702634be96f430a1ee8c5be1ffddf1792080624f28b3ee1 Dec 13 15:56:16.620 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 15:56:16.804 INFO [stdout] 5be5526bd4d246f80a6a2fa120ebfc6737d7d9acccdc13bd4accc9e785355046 Dec 13 15:56:16.807 INFO running `"docker" "start" "-a" "5be5526bd4d246f80a6a2fa120ebfc6737d7d9acccdc13bd4accc9e785355046"` Dec 13 15:56:17.166 INFO [stderr] usermod: no changes Dec 13 15:56:17.206 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s Dec 13 15:56:17.208 INFO [stderr] Running /target/debug/deps/rust_demo-d36a0837ab112b99 Dec 13 15:56:17.219 INFO [stderr] su: No module specific data is present Dec 13 15:56:17.219 INFO [stdout] Dec 13 15:56:17.219 INFO [stdout] running 0 tests Dec 13 15:56:17.219 INFO [stdout] Dec 13 15:56:17.219 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 13 15:56:17.219 INFO [stdout] Dec 13 15:56:17.452 INFO running `"docker" "inspect" "5be5526bd4d246f80a6a2fa120ebfc6737d7d9acccdc13bd4accc9e785355046"` Dec 13 15:56:17.614 INFO running `"docker" "rm" "-f" "5be5526bd4d246f80a6a2fa120ebfc6737d7d9acccdc13bd4accc9e785355046"` Dec 13 15:56:17.741 INFO [stdout] 5be5526bd4d246f80a6a2fa120ebfc6737d7d9acccdc13bd4accc9e785355046