Dec 19 09:50:17.873 INFO checking rtalwar26/rust-playground against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 09:50:17.873 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 09:50:18.465 INFO [stdout] 3ddb767ba6af77cd17cb72dc83c3dd6ffff399a8f2b1dbe19d45aef6a129639e
Dec 19 09:50:18.470 INFO running `"docker" "start" "-a" "3ddb767ba6af77cd17cb72dc83c3dd6ffff399a8f2b1dbe19d45aef6a129639e"`
Dec 19 09:50:19.592 INFO [stderr]     Checking myrust v0.1.0 (/opt/crater/workdir)
Dec 19 09:50:19.963 INFO [stderr] warning: unused variable: `d`
Dec 19 09:50:19.964 INFO [stderr]   --> src/main.rs:35:8
Dec 19 09:50:19.964 INFO [stderr]    |
Dec 19 09:50:19.964 INFO [stderr] 35 |    let d = models::dog();
Dec 19 09:50:19.964 INFO [stderr]    |        ^ help: consider using `_d` instead
Dec 19 09:50:19.964 INFO [stderr]    |
Dec 19 09:50:19.964 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 09:50:19.964 INFO [stderr] 
Dec 19 09:50:19.967 INFO [stderr] warning: unused variable: `t`
Dec 19 09:50:19.968 INFO [stderr]    --> src/main.rs:106:9
Dec 19 09:50:19.968 INFO [stderr]     |
Dec 19 09:50:19.968 INFO [stderr] 106 |     let t: Rc<String> = s.clone();
Dec 19 09:50:19.968 INFO [stderr]     |         ^ help: consider using `_t` instead
Dec 19 09:50:19.968 INFO [stderr] 
Dec 19 09:50:19.968 INFO [stderr] warning: unused variable: `u`
Dec 19 09:50:19.968 INFO [stderr]    --> src/main.rs:107:9
Dec 19 09:50:19.968 INFO [stderr]     |
Dec 19 09:50:19.968 INFO [stderr] 107 |     let u = s.clone();
Dec 19 09:50:19.968 INFO [stderr]     |         ^ help: consider using `_u` instead
Dec 19 09:50:19.968 INFO [stderr] 
Dec 19 09:50:20.008 INFO [stderr] warning: unused variable: `d`
Dec 19 09:50:20.008 INFO [stderr]   --> src/main.rs:35:8
Dec 19 09:50:20.008 INFO [stderr]    |
Dec 19 09:50:20.008 INFO [stderr] 35 |    let d = models::dog();
Dec 19 09:50:20.008 INFO [stderr]    |        ^ help: consider using `_d` instead
Dec 19 09:50:20.008 INFO [stderr]    |
Dec 19 09:50:20.008 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 09:50:20.008 INFO [stderr] 
Dec 19 09:50:20.008 INFO [stderr] warning: unused variable: `t`
Dec 19 09:50:20.008 INFO [stderr]    --> src/main.rs:106:9
Dec 19 09:50:20.008 INFO [stderr]     |
Dec 19 09:50:20.008 INFO [stderr] 106 |     let t: Rc<String> = s.clone();
Dec 19 09:50:20.008 INFO [stderr]     |         ^ help: consider using `_t` instead
Dec 19 09:50:20.008 INFO [stderr] 
Dec 19 09:50:20.008 INFO [stderr] warning: unused variable: `u`
Dec 19 09:50:20.008 INFO [stderr]    --> src/main.rs:107:9
Dec 19 09:50:20.008 INFO [stderr]     |
Dec 19 09:50:20.008 INFO [stderr] 107 |     let u = s.clone();
Dec 19 09:50:20.008 INFO [stderr]     |         ^ help: consider using `_u` instead
Dec 19 09:50:20.008 INFO [stderr] 
Dec 19 09:50:20.107 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
Dec 19 09:50:21.260 INFO running `"docker" "inspect" "3ddb767ba6af77cd17cb72dc83c3dd6ffff399a8f2b1dbe19d45aef6a129639e"`
Dec 19 09:50:21.510 INFO running `"docker" "rm" "-f" "3ddb767ba6af77cd17cb72dc83c3dd6ffff399a8f2b1dbe19d45aef6a129639e"`
Dec 19 09:50:21.896 INFO [stdout] 3ddb767ba6af77cd17cb72dc83c3dd6ffff399a8f2b1dbe19d45aef6a129639e