Dec 17 16:36:53.941 INFO checking rtalwar26/rust-playground against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 16:36:53.941 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/rtalwar26/rust-playground:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 16:36:54.445 INFO [stdout] 3fced9df0bf181ce3ad19d70401b1bf289f45a0112aef84366f38787598986eb
Dec 17 16:36:54.447 INFO running `"docker" "start" "-a" "3fced9df0bf181ce3ad19d70401b1bf289f45a0112aef84366f38787598986eb"`
Dec 17 16:36:56.220 INFO [stderr]     Checking myrust v0.1.0 (/opt/crater/workdir)
Dec 17 16:36:56.539 INFO [stderr] warning: unused variable: `d`
Dec 17 16:36:56.539 INFO [stderr]   --> src/main.rs:35:8
Dec 17 16:36:56.539 INFO [stderr]    |
Dec 17 16:36:56.539 INFO [stderr] 35 |    let d = models::dog();
Dec 17 16:36:56.539 INFO [stderr]    |        ^ help: consider using `_d` instead
Dec 17 16:36:56.539 INFO [stderr]    |
Dec 17 16:36:56.539 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 16:36:56.539 INFO [stderr] 
Dec 17 16:36:56.539 INFO [stderr] warning: unused variable: `t`
Dec 17 16:36:56.539 INFO [stderr]    --> src/main.rs:106:9
Dec 17 16:36:56.539 INFO [stderr]     |
Dec 17 16:36:56.539 INFO [stderr] 106 |     let t: Rc<String> = s.clone();
Dec 17 16:36:56.539 INFO [stderr]     |         ^ help: consider using `_t` instead
Dec 17 16:36:56.539 INFO [stderr] 
Dec 17 16:36:56.539 INFO [stderr] warning: unused variable: `u`
Dec 17 16:36:56.539 INFO [stderr]    --> src/main.rs:107:9
Dec 17 16:36:56.539 INFO [stderr]     |
Dec 17 16:36:56.539 INFO [stderr] 107 |     let u = s.clone();
Dec 17 16:36:56.539 INFO [stderr]     |         ^ help: consider using `_u` instead
Dec 17 16:36:56.539 INFO [stderr] 
Dec 17 16:36:56.652 INFO [stderr] warning: unused variable: `d`
Dec 17 16:36:56.652 INFO [stderr]   --> src/main.rs:35:8
Dec 17 16:36:56.652 INFO [stderr]    |
Dec 17 16:36:56.652 INFO [stderr] 35 |    let d = models::dog();
Dec 17 16:36:56.652 INFO [stderr]    |        ^ help: consider using `_d` instead
Dec 17 16:36:56.652 INFO [stderr]    |
Dec 17 16:36:56.652 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 16:36:56.652 INFO [stderr] 
Dec 17 16:36:56.662 INFO [stderr] warning: unused variable: `t`
Dec 17 16:36:56.662 INFO [stderr]    --> src/main.rs:106:9
Dec 17 16:36:56.662 INFO [stderr]     |
Dec 17 16:36:56.662 INFO [stderr] 106 |     let t: Rc<String> = s.clone();
Dec 17 16:36:56.662 INFO [stderr]     |         ^ help: consider using `_t` instead
Dec 17 16:36:56.662 INFO [stderr] 
Dec 17 16:36:56.662 INFO [stderr] warning: unused variable: `u`
Dec 17 16:36:56.662 INFO [stderr]    --> src/main.rs:107:9
Dec 17 16:36:56.662 INFO [stderr]     |
Dec 17 16:36:56.662 INFO [stderr] 107 |     let u = s.clone();
Dec 17 16:36:56.662 INFO [stderr]     |         ^ help: consider using `_u` instead
Dec 17 16:36:56.662 INFO [stderr] 
Dec 17 16:36:56.716 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
Dec 17 16:36:57.270 INFO running `"docker" "inspect" "3fced9df0bf181ce3ad19d70401b1bf289f45a0112aef84366f38787598986eb"`
Dec 17 16:36:57.564 INFO running `"docker" "rm" "-f" "3fced9df0bf181ce3ad19d70401b1bf289f45a0112aef84366f38787598986eb"`
Dec 17 16:36:57.856 INFO [stdout] 3fced9df0bf181ce3ad19d70401b1bf289f45a0112aef84366f38787598986eb