Dec 04 11:17:41.211 INFO checking rtalwar26/rust-playground against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 11:17:41.211 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 04 11:17:41.707 INFO [stdout] fe0aebd086a56b0956f276b32879ff33712ec73bc501913264811dbf06261e92
Dec 04 11:17:41.713 INFO running `"docker" "start" "-a" "fe0aebd086a56b0956f276b32879ff33712ec73bc501913264811dbf06261e92"`
Dec 04 11:17:42.859 INFO [stderr] usermod: no changes
Dec 04 11:17:42.935 INFO [stderr]     Checking myrust v0.1.0 (/source)
Dec 04 11:17:43.487 INFO [stderr] warning: unused variable: `d`
Dec 04 11:17:43.487 INFO [stderr]   --> src/main.rs:35:8
Dec 04 11:17:43.487 INFO [stderr]    |
Dec 04 11:17:43.487 INFO [stderr] 35 |    let d = models::dog();
Dec 04 11:17:43.487 INFO [stderr]    |        ^ help: consider using `_d` instead
Dec 04 11:17:43.487 INFO [stderr]    |
Dec 04 11:17:43.487 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 11:17:43.487 INFO [stderr] 
Dec 04 11:17:43.487 INFO [stderr] warning: unused variable: `t`
Dec 04 11:17:43.487 INFO [stderr]    --> src/main.rs:106:9
Dec 04 11:17:43.487 INFO [stderr]     |
Dec 04 11:17:43.487 INFO [stderr] 106 |     let t: Rc<String> = s.clone();
Dec 04 11:17:43.487 INFO [stderr]     |         ^ help: consider using `_t` instead
Dec 04 11:17:43.487 INFO [stderr] 
Dec 04 11:17:43.487 INFO [stderr] warning: unused variable: `u`
Dec 04 11:17:43.487 INFO [stderr]    --> src/main.rs:107:9
Dec 04 11:17:43.487 INFO [stderr]     |
Dec 04 11:17:43.487 INFO [stderr] 107 |     let u = s.clone();
Dec 04 11:17:43.487 INFO [stderr]     |         ^ help: consider using `_u` instead
Dec 04 11:17:43.487 INFO [stderr] 
Dec 04 11:17:43.536 INFO [stderr] warning: unused variable: `d`
Dec 04 11:17:43.536 INFO [stderr]   --> src/main.rs:35:8
Dec 04 11:17:43.536 INFO [stderr]    |
Dec 04 11:17:43.536 INFO [stderr] 35 |    let d = models::dog();
Dec 04 11:17:43.536 INFO [stderr]    |        ^ help: consider using `_d` instead
Dec 04 11:17:43.536 INFO [stderr]    |
Dec 04 11:17:43.536 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 11:17:43.536 INFO [stderr] 
Dec 04 11:17:43.536 INFO [stderr] warning: unused variable: `t`
Dec 04 11:17:43.536 INFO [stderr]    --> src/main.rs:106:9
Dec 04 11:17:43.536 INFO [stderr]     |
Dec 04 11:17:43.536 INFO [stderr] 106 |     let t: Rc<String> = s.clone();
Dec 04 11:17:43.536 INFO [stderr]     |         ^ help: consider using `_t` instead
Dec 04 11:17:43.536 INFO [stderr] 
Dec 04 11:17:43.536 INFO [stderr] warning: unused variable: `u`
Dec 04 11:17:43.536 INFO [stderr]    --> src/main.rs:107:9
Dec 04 11:17:43.536 INFO [stderr]     |
Dec 04 11:17:43.536 INFO [stderr] 107 |     let u = s.clone();
Dec 04 11:17:43.536 INFO [stderr]     |         ^ help: consider using `_u` instead
Dec 04 11:17:43.536 INFO [stderr] 
Dec 04 11:17:43.611 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
Dec 04 11:17:43.611 INFO [stderr] su: No module specific data is present
Dec 04 11:17:44.362 INFO running `"docker" "inspect" "fe0aebd086a56b0956f276b32879ff33712ec73bc501913264811dbf06261e92"`
Dec 04 11:17:44.683 INFO running `"docker" "rm" "-f" "fe0aebd086a56b0956f276b32879ff33712ec73bc501913264811dbf06261e92"`
Dec 04 11:17:45.023 INFO [stdout] fe0aebd086a56b0956f276b32879ff33712ec73bc501913264811dbf06261e92