Nov 30 12:18:00.306 INFO checking 8flag/hello_rust against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 12:18:00.306 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 12:18:00.596 INFO [stdout] f1ba4cac654dc3d8ed6a0b8da198a2d93c3d953ae223b938596a4527c39afe72
Nov 30 12:18:00.602 INFO running `"docker" "start" "-a" "f1ba4cac654dc3d8ed6a0b8da198a2d93c3d953ae223b938596a4527c39afe72"`
Nov 30 12:18:01.232 INFO [stderr] usermod: no changes
Nov 30 12:18:01.312 INFO [stderr]     Checking hello_rust v0.1.0 (/source)
Nov 30 12:18:01.747 INFO [stderr] warning: unused variable: `b`
Nov 30 12:18:01.747 INFO [stderr]  --> src/main.rs:5:9
Nov 30 12:18:01.747 INFO [stderr]   |
Nov 30 12:18:01.747 INFO [stderr] 5 |     let b:&str = &a;
Nov 30 12:18:01.747 INFO [stderr]   |         ^ help: consider using `_b` instead
Nov 30 12:18:01.747 INFO [stderr]   |
Nov 30 12:18:01.747 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 30 12:18:01.747 INFO [stderr] 
Nov 30 12:18:01.909 INFO [stderr] warning: unused variable: `b`
Nov 30 12:18:01.909 INFO [stderr]  --> src/main.rs:5:9
Nov 30 12:18:01.909 INFO [stderr]   |
Nov 30 12:18:01.909 INFO [stderr] 5 |     let b:&str = &a;
Nov 30 12:18:01.909 INFO [stderr]   |         ^ help: consider using `_b` instead
Nov 30 12:18:01.909 INFO [stderr]   |
Nov 30 12:18:01.910 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 30 12:18:01.910 INFO [stderr] 
Nov 30 12:18:01.927 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
Nov 30 12:18:01.930 INFO [stderr] su: No module specific data is present
Nov 30 12:18:02.477 INFO running `"docker" "inspect" "f1ba4cac654dc3d8ed6a0b8da198a2d93c3d953ae223b938596a4527c39afe72"`
Nov 30 12:18:02.752 INFO running `"docker" "rm" "-f" "f1ba4cac654dc3d8ed6a0b8da198a2d93c3d953ae223b938596a4527c39afe72"`
Nov 30 12:18:02.996 INFO [stdout] f1ba4cac654dc3d8ed6a0b8da198a2d93c3d953ae223b938596a4527c39afe72