Dec 19 04:55:40.249 INFO checking ypkulkar/infix_to_postfix against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 04:55:40.249 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 04:55:40.694 INFO [stdout] c9b6ac6a365658d491d15153d54fc700e8097f74bf822e59a096968095b015fe
Dec 19 04:55:40.696 INFO running `"docker" "start" "-a" "c9b6ac6a365658d491d15153d54fc700e8097f74bf822e59a096968095b015fe"`
Dec 19 04:55:42.512 INFO [stderr]     Checking your v0.1.0 (/opt/crater/workdir)
Dec 19 04:55:42.908 INFO [stderr] warning: unused variable: `x`
Dec 19 04:55:42.908 INFO [stderr]    --> src/lib.rs:134:28
Dec 19 04:55:42.908 INFO [stderr]     |
Dec 19 04:55:42.908 INFO [stderr] 134 |                &InfixToken::Operand(x) => {
Dec 19 04:55:42.908 INFO [stderr]     |                                     ^ help: consider using `_x` instead
Dec 19 04:55:42.908 INFO [stderr]     |
Dec 19 04:55:42.908 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 04:55:42.908 INFO [stderr] 
Dec 19 04:55:42.908 INFO [stderr] warning: unused variable: `x`
Dec 19 04:55:42.908 INFO [stderr]    --> src/lib.rs:140:29
Dec 19 04:55:42.908 INFO [stderr]     |
Dec 19 04:55:42.908 INFO [stderr] 140 |                &InfixToken::Operator(x) => {
Dec 19 04:55:42.908 INFO [stderr]     |                                      ^ help: consider using `_x` instead
Dec 19 04:55:42.908 INFO [stderr] 
Dec 19 04:55:42.908 INFO [stderr] warning: unused variable: `x`
Dec 19 04:55:42.908 INFO [stderr]    --> src/lib.rs:172:31
Dec 19 04:55:42.908 INFO [stderr]     |
Dec 19 04:55:42.908 INFO [stderr] 172 |                             InfixToken::Operand(x) => break,
Dec 19 04:55:42.908 INFO [stderr]     |                                                 ^ help: consider using `_x` instead
Dec 19 04:55:42.908 INFO [stderr] 
Dec 19 04:55:42.972 INFO [stderr] warning: unused variable: `x`
Dec 19 04:55:42.972 INFO [stderr]    --> src/lib.rs:134:28
Dec 19 04:55:42.972 INFO [stderr]     |
Dec 19 04:55:42.972 INFO [stderr] 134 |                &InfixToken::Operand(x) => {
Dec 19 04:55:42.972 INFO [stderr]     |                                     ^ help: consider using `_x` instead
Dec 19 04:55:42.972 INFO [stderr]     |
Dec 19 04:55:42.972 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 04:55:42.972 INFO [stderr] 
Dec 19 04:55:42.972 INFO [stderr] warning: unused variable: `x`
Dec 19 04:55:42.972 INFO [stderr]    --> src/lib.rs:140:29
Dec 19 04:55:42.972 INFO [stderr]     |
Dec 19 04:55:42.972 INFO [stderr] 140 |                &InfixToken::Operator(x) => {
Dec 19 04:55:42.972 INFO [stderr]     |                                      ^ help: consider using `_x` instead
Dec 19 04:55:42.972 INFO [stderr] 
Dec 19 04:55:42.972 INFO [stderr] warning: unused variable: `x`
Dec 19 04:55:42.972 INFO [stderr]    --> src/lib.rs:172:31
Dec 19 04:55:42.972 INFO [stderr]     |
Dec 19 04:55:42.973 INFO [stderr] 172 |                             InfixToken::Operand(x) => break,
Dec 19 04:55:42.973 INFO [stderr]     |                                                 ^ help: consider using `_x` instead
Dec 19 04:55:42.973 INFO [stderr] 
Dec 19 04:55:43.041 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
Dec 19 04:55:43.598 INFO running `"docker" "inspect" "c9b6ac6a365658d491d15153d54fc700e8097f74bf822e59a096968095b015fe"`
Dec 19 04:55:43.918 INFO running `"docker" "rm" "-f" "c9b6ac6a365658d491d15153d54fc700e8097f74bf822e59a096968095b015fe"`
Dec 19 04:55:44.160 INFO [stdout] c9b6ac6a365658d491d15153d54fc700e8097f74bf822e59a096968095b015fe