Dec 19 04:55:39.865 INFO checking ypkulkar/infix_to_postfix against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 04:55:39.866 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/ypkulkar/infix_to_postfix:/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 04:55:40.388 INFO [stdout] 6dd389d55ceace80f08ad9382fbaf49474c7b1bd70a330c9f9e6d8db31b3c7e3
Dec 19 04:55:40.388 INFO running `"docker" "start" "-a" "6dd389d55ceace80f08ad9382fbaf49474c7b1bd70a330c9f9e6d8db31b3c7e3"`
Dec 19 04:55:42.252 INFO [stderr]     Checking your v0.1.0 (/opt/crater/workdir)
Dec 19 04:55:42.621 INFO [stderr] warning: unused variable: `x`
Dec 19 04:55:42.628 INFO [stderr]    --> src/lib.rs:134:28
Dec 19 04:55:42.628 INFO [stderr]     |
Dec 19 04:55:42.628 INFO [stderr] 134 |                &InfixToken::Operand(x) => {
Dec 19 04:55:42.628 INFO [stderr]     |                                     ^ help: consider using `_x` instead
Dec 19 04:55:42.628 INFO [stderr]     |
Dec 19 04:55:42.628 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 04:55:42.628 INFO [stderr] 
Dec 19 04:55:42.628 INFO [stderr] warning: unused variable: `x`
Dec 19 04:55:42.628 INFO [stderr]    --> src/lib.rs:140:29
Dec 19 04:55:42.628 INFO [stderr]     |
Dec 19 04:55:42.628 INFO [stderr] 140 |                &InfixToken::Operator(x) => {
Dec 19 04:55:42.628 INFO [stderr]     |                                      ^ help: consider using `_x` instead
Dec 19 04:55:42.628 INFO [stderr] 
Dec 19 04:55:42.628 INFO [stderr] warning: unused variable: `x`
Dec 19 04:55:42.628 INFO [stderr]    --> src/lib.rs:172:31
Dec 19 04:55:42.628 INFO [stderr]     |
Dec 19 04:55:42.628 INFO [stderr] 172 |                             InfixToken::Operand(x) => break,
Dec 19 04:55:42.628 INFO [stderr]     |                                                 ^ help: consider using `_x` instead
Dec 19 04:55:42.628 INFO [stderr] 
Dec 19 04:55:42.660 INFO [stderr] warning: unused variable: `x`
Dec 19 04:55:42.660 INFO [stderr]    --> src/lib.rs:134:28
Dec 19 04:55:42.660 INFO [stderr]     |
Dec 19 04:55:42.660 INFO [stderr] 134 |                &InfixToken::Operand(x) => {
Dec 19 04:55:42.660 INFO [stderr]     |                                     ^ help: consider using `_x` instead
Dec 19 04:55:42.660 INFO [stderr]     |
Dec 19 04:55:42.660 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 04:55:42.660 INFO [stderr] 
Dec 19 04:55:42.660 INFO [stderr] warning: unused variable: `x`
Dec 19 04:55:42.660 INFO [stderr]    --> src/lib.rs:140:29
Dec 19 04:55:42.660 INFO [stderr]     |
Dec 19 04:55:42.660 INFO [stderr] 140 |                &InfixToken::Operator(x) => {
Dec 19 04:55:42.660 INFO [stderr]     |                                      ^ help: consider using `_x` instead
Dec 19 04:55:42.660 INFO [stderr] 
Dec 19 04:55:42.661 INFO [stderr] warning: unused variable: `x`
Dec 19 04:55:42.661 INFO [stderr]    --> src/lib.rs:172:31
Dec 19 04:55:42.661 INFO [stderr]     |
Dec 19 04:55:42.661 INFO [stderr] 172 |                             InfixToken::Operand(x) => break,
Dec 19 04:55:42.661 INFO [stderr]     |                                                 ^ help: consider using `_x` instead
Dec 19 04:55:42.661 INFO [stderr] 
Dec 19 04:55:42.701 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
Dec 19 04:55:43.283 INFO running `"docker" "inspect" "6dd389d55ceace80f08ad9382fbaf49474c7b1bd70a330c9f9e6d8db31b3c7e3"`
Dec 19 04:55:43.495 INFO running `"docker" "rm" "-f" "6dd389d55ceace80f08ad9382fbaf49474c7b1bd70a330c9f9e6d8db31b3c7e3"`
Dec 19 04:55:43.772 INFO [stdout] 6dd389d55ceace80f08ad9382fbaf49474c7b1bd70a330c9f9e6d8db31b3c7e3