Nov 30 17:32:09.720 INFO checking r4-1.0.1 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323 Nov 30 17:32:09.720 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-0/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-alt check --frozen --all --all-targets" "-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 30 17:32:09.908 INFO [stdout] 788d4532a7a98d1b007cf610b454edf71efe92c4897fb2311fa52f4891e7d64d Nov 30 17:32:09.910 INFO running `"docker" "start" "-a" "788d4532a7a98d1b007cf610b454edf71efe92c4897fb2311fa52f4891e7d64d"` Nov 30 17:32:10.383 INFO [stderr] usermod: no changes Nov 30 17:32:10.415 INFO [stderr] Checking r4 v1.0.1 (/source) Nov 30 17:32:11.160 INFO [stderr] warning: unused variable: `i` Nov 30 17:32:11.160 INFO [stderr] --> src/lib.rs:407:34 Nov 30 17:32:11.160 INFO [stderr] | Nov 30 17:32:11.160 INFO [stderr] 407 | iterate![for i in 0..4; Nov 30 17:32:11.160 INFO [stderr] | ^ help: consider using `_i` instead Nov 30 17:32:11.160 INFO [stderr] | Nov 30 17:32:11.160 INFO [stderr] = note: #[warn(unused_variables)] on by default Nov 30 17:32:11.160 INFO [stderr] Nov 30 17:32:11.160 INFO [stderr] warning: unused variable: `x` Nov 30 17:32:11.160 INFO [stderr] --> src/lib.rs:433:34 Nov 30 17:32:11.160 INFO [stderr] | Nov 30 17:32:11.160 INFO [stderr] 433 | iterate![for x in vs.iter(); Nov 30 17:32:11.160 INFO [stderr] | ^ help: consider using `_x` instead Nov 30 17:32:11.160 INFO [stderr] Nov 30 17:32:11.161 INFO [stderr] warning: unused variable: `x` Nov 30 17:32:11.161 INFO [stderr] --> src/lib.rs:443:34 Nov 30 17:32:11.161 INFO [stderr] | Nov 30 17:32:11.161 INFO [stderr] 443 | iterate![for x in vs.iter(); Nov 30 17:32:11.161 INFO [stderr] | ^ help: consider using `_x` instead Nov 30 17:32:11.161 INFO [stderr] Nov 30 17:32:11.161 INFO [stderr] warning: unused variable: `a` Nov 30 17:32:11.161 INFO [stderr] --> src/lib.rs:474:34 Nov 30 17:32:11.161 INFO [stderr] | Nov 30 17:32:11.161 INFO [stderr] 474 | let a = *x + 3; Nov 30 17:32:11.161 INFO [stderr] | ^ help: consider using `_a` instead Nov 30 17:32:11.161 INFO [stderr] Nov 30 17:32:11.161 INFO [stderr] warning: unused variable: `a` Nov 30 17:32:11.161 INFO [stderr] --> src/lib.rs:489:34 Nov 30 17:32:11.161 INFO [stderr] | Nov 30 17:32:11.161 INFO [stderr] 489 | let a = *x + 3; Nov 30 17:32:11.161 INFO [stderr] | ^ help: consider using `_a` instead Nov 30 17:32:11.161 INFO [stderr] Nov 30 17:32:11.161 INFO [stderr] warning: unused variable: `y` Nov 30 17:32:11.161 INFO [stderr] --> src/lib.rs:506:34 Nov 30 17:32:11.161 INFO [stderr] | Nov 30 17:32:11.161 INFO [stderr] 506 | for y in vs.iter(); Nov 30 17:32:11.161 INFO [stderr] | ^ help: consider using `_y` instead Nov 30 17:32:11.161 INFO [stderr] Nov 30 17:32:11.161 INFO [stderr] warning: unused variable: `x` Nov 30 17:32:11.161 INFO [stderr] --> src/lib.rs:522:34 Nov 30 17:32:11.161 INFO [stderr] | Nov 30 17:32:11.161 INFO [stderr] 522 | let x = *x + 1; Nov 30 17:32:11.161 INFO [stderr] | ^ help: consider using `_x` instead Nov 30 17:32:11.161 INFO [stderr] Nov 30 17:32:11.237 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.83s Nov 30 17:32:11.239 INFO [stderr] su: No module specific data is present Nov 30 17:32:11.791 INFO running `"docker" "inspect" "788d4532a7a98d1b007cf610b454edf71efe92c4897fb2311fa52f4891e7d64d"` Nov 30 17:32:12.086 INFO running `"docker" "rm" "-f" "788d4532a7a98d1b007cf610b454edf71efe92c4897fb2311fa52f4891e7d64d"` Nov 30 17:32:12.236 INFO [stdout] 788d4532a7a98d1b007cf610b454edf71efe92c4897fb2311fa52f4891e7d64d