Dec 19 09:50:18.148 INFO checking rtalwar26/rust-playground against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 09:50:18.148 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 09:50:18.640 INFO [stdout] f63f4a2f0b9cd207ef0b2f2cd16076d5571bdc199da7f8a07a10603ec77bf34c
Dec 19 09:50:18.648 INFO running `"docker" "start" "-a" "f63f4a2f0b9cd207ef0b2f2cd16076d5571bdc199da7f8a07a10603ec77bf34c"`
Dec 19 09:50:20.238 INFO [stderr]     Checking myrust v0.1.0 (/opt/crater/workdir)
Dec 19 09:50:20.592 INFO [stderr] warning: unused variable: `d`
Dec 19 09:50:20.592 INFO [stderr]   --> src/main.rs:35:8
Dec 19 09:50:20.592 INFO [stderr]    |
Dec 19 09:50:20.592 INFO [stderr] 35 |    let d = models::dog();
Dec 19 09:50:20.592 INFO [stderr]    |        ^ help: consider using `_d` instead
Dec 19 09:50:20.592 INFO [stderr]    |
Dec 19 09:50:20.592 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 09:50:20.592 INFO [stderr] 
Dec 19 09:50:20.592 INFO [stderr] warning: unused variable: `t`
Dec 19 09:50:20.592 INFO [stderr]    --> src/main.rs:106:9
Dec 19 09:50:20.592 INFO [stderr]     |
Dec 19 09:50:20.592 INFO [stderr] 106 |     let t: Rc<String> = s.clone();
Dec 19 09:50:20.592 INFO [stderr]     |         ^ help: consider using `_t` instead
Dec 19 09:50:20.592 INFO [stderr] 
Dec 19 09:50:20.592 INFO [stderr] warning: unused variable: `u`
Dec 19 09:50:20.592 INFO [stderr]    --> src/main.rs:107:9
Dec 19 09:50:20.592 INFO [stderr]     |
Dec 19 09:50:20.592 INFO [stderr] 107 |     let u = s.clone();
Dec 19 09:50:20.592 INFO [stderr]     |         ^ help: consider using `_u` instead
Dec 19 09:50:20.592 INFO [stderr] 
Dec 19 09:50:20.732 INFO [stderr] warning: unused variable: `d`
Dec 19 09:50:20.732 INFO [stderr]   --> src/main.rs:35:8
Dec 19 09:50:20.732 INFO [stderr]    |
Dec 19 09:50:20.732 INFO [stderr] 35 |    let d = models::dog();
Dec 19 09:50:20.732 INFO [stderr]    |        ^ help: consider using `_d` instead
Dec 19 09:50:20.732 INFO [stderr]    |
Dec 19 09:50:20.732 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 09:50:20.732 INFO [stderr] 
Dec 19 09:50:20.732 INFO [stderr] warning: unused variable: `t`
Dec 19 09:50:20.732 INFO [stderr]    --> src/main.rs:106:9
Dec 19 09:50:20.732 INFO [stderr]     |
Dec 19 09:50:20.732 INFO [stderr] 106 |     let t: Rc<String> = s.clone();
Dec 19 09:50:20.732 INFO [stderr]     |         ^ help: consider using `_t` instead
Dec 19 09:50:20.732 INFO [stderr] 
Dec 19 09:50:20.732 INFO [stderr] warning: unused variable: `u`
Dec 19 09:50:20.732 INFO [stderr]    --> src/main.rs:107:9
Dec 19 09:50:20.732 INFO [stderr]     |
Dec 19 09:50:20.732 INFO [stderr] 107 |     let u = s.clone();
Dec 19 09:50:20.732 INFO [stderr]     |         ^ help: consider using `_u` instead
Dec 19 09:50:20.732 INFO [stderr] 
Dec 19 09:50:20.785 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
Dec 19 09:50:21.578 INFO running `"docker" "inspect" "f63f4a2f0b9cd207ef0b2f2cd16076d5571bdc199da7f8a07a10603ec77bf34c"`
Dec 19 09:50:21.950 INFO running `"docker" "rm" "-f" "f63f4a2f0b9cd207ef0b2f2cd16076d5571bdc199da7f8a07a10603ec77bf34c"`
Dec 19 09:50:22.228 INFO [stdout] f63f4a2f0b9cd207ef0b2f2cd16076d5571bdc199da7f8a07a10603ec77bf34c