Nov 29 20:11:45.671 INFO checking qrdean/rust_hello against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 29 20:11:45.671 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-7/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 29 20:11:46.210 INFO [stdout] 6e787cc849635857185f9b1af9daa4ba169cf17c974012cd7094ad117cefef8d
Nov 29 20:11:46.212 INFO running `"docker" "start" "-a" "6e787cc849635857185f9b1af9daa4ba169cf17c974012cd7094ad117cefef8d"`
Nov 29 20:11:47.200 INFO [stderr] usermod: no changes
Nov 29 20:11:47.245 INFO [stderr]     Checking hello_world v0.0.1 (/source)
Nov 29 20:11:47.580 INFO [stderr] warning: unused variable: `x`
Nov 29 20:11:47.580 INFO [stderr]  --> src/main.rs:2:6
Nov 29 20:11:47.580 INFO [stderr]   |
Nov 29 20:11:47.580 INFO [stderr] 2 |     let x: i32;
Nov 29 20:11:47.580 INFO [stderr]   |         ^ help: consider using `_x` instead
Nov 29 20:11:47.580 INFO [stderr]   |
Nov 29 20:11:47.580 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 29 20:11:47.580 INFO [stderr] 
Nov 29 20:11:47.784 INFO [stderr] warning: unused variable: `x`
Nov 29 20:11:47.784 INFO [stderr]  --> src/main.rs:2:6
Nov 29 20:11:47.784 INFO [stderr]   |
Nov 29 20:11:47.784 INFO [stderr] 2 |     let x: i32;
Nov 29 20:11:47.784 INFO [stderr]   |         ^ help: consider using `_x` instead
Nov 29 20:11:47.784 INFO [stderr]   |
Nov 29 20:11:47.784 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 29 20:11:47.784 INFO [stderr] 
Nov 29 20:11:47.786 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
Nov 29 20:11:47.788 INFO [stderr] su: No module specific data is present
Nov 29 20:11:48.632 INFO running `"docker" "inspect" "6e787cc849635857185f9b1af9daa4ba169cf17c974012cd7094ad117cefef8d"`
Nov 29 20:11:48.958 INFO running `"docker" "rm" "-f" "6e787cc849635857185f9b1af9daa4ba169cf17c974012cd7094ad117cefef8d"`
Nov 29 20:11:49.195 INFO [stdout] 6e787cc849635857185f9b1af9daa4ba169cf17c974012cd7094ad117cefef8d