Dec 04 06:27:03.675 INFO checking ypkulkar/infix_to_postfix against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 06:27:03.675 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 06:27:04.091 INFO [stdout] 1fdfce5102c8aaf821a4f4a56aca374a58c439ca30201c094e383739a896b2de
Dec 04 06:27:04.097 INFO running `"docker" "start" "-a" "1fdfce5102c8aaf821a4f4a56aca374a58c439ca30201c094e383739a896b2de"`
Dec 04 06:27:05.327 INFO [stderr] usermod: no changes
Dec 04 06:27:05.387 INFO [stderr]     Checking your v0.1.0 (/source)
Dec 04 06:27:05.747 INFO [stderr] warning: unused variable: `x`
Dec 04 06:27:05.747 INFO [stderr]    --> src/lib.rs:134:28
Dec 04 06:27:05.747 INFO [stderr]     |
Dec 04 06:27:05.747 INFO [stderr] 134 |                &InfixToken::Operand(x) => {
Dec 04 06:27:05.747 INFO [stderr]     |                                     ^ help: consider using `_x` instead
Dec 04 06:27:05.747 INFO [stderr]     |
Dec 04 06:27:05.747 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 04 06:27:05.747 INFO [stderr] 
Dec 04 06:27:05.747 INFO [stderr] warning: unused variable: `x`
Dec 04 06:27:05.747 INFO [stderr]    --> src/lib.rs:140:29
Dec 04 06:27:05.747 INFO [stderr]     |
Dec 04 06:27:05.747 INFO [stderr] 140 |                &InfixToken::Operator(x) => {
Dec 04 06:27:05.747 INFO [stderr]     |                                      ^ help: consider using `_x` instead
Dec 04 06:27:05.747 INFO [stderr] 
Dec 04 06:27:05.747 INFO [stderr] warning: unused variable: `x`
Dec 04 06:27:05.747 INFO [stderr]    --> src/lib.rs:172:31
Dec 04 06:27:05.747 INFO [stderr]     |
Dec 04 06:27:05.747 INFO [stderr] 172 |                             InfixToken::Operand(x) => break,
Dec 04 06:27:05.747 INFO [stderr]     |                                                 ^ help: consider using `_x` instead
Dec 04 06:27:05.747 INFO [stderr] 
Dec 04 06:27:05.875 INFO [stderr] warning: unused variable: `x`
Dec 04 06:27:05.875 INFO [stderr]    --> src/lib.rs:134:28
Dec 04 06:27:05.875 INFO [stderr]     |
Dec 04 06:27:05.875 INFO [stderr] 134 |                &InfixToken::Operand(x) => {
Dec 04 06:27:05.875 INFO [stderr]     |                                     ^ help: consider using `_x` instead
Dec 04 06:27:05.875 INFO [stderr]     |
Dec 04 06:27:05.875 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 04 06:27:05.875 INFO [stderr] 
Dec 04 06:27:05.875 INFO [stderr] warning: unused variable: `x`
Dec 04 06:27:05.875 INFO [stderr]    --> src/lib.rs:140:29
Dec 04 06:27:05.875 INFO [stderr]     |
Dec 04 06:27:05.875 INFO [stderr] 140 |                &InfixToken::Operator(x) => {
Dec 04 06:27:05.875 INFO [stderr]     |                                      ^ help: consider using `_x` instead
Dec 04 06:27:05.875 INFO [stderr] 
Dec 04 06:27:05.875 INFO [stderr] warning: unused variable: `x`
Dec 04 06:27:05.875 INFO [stderr]    --> src/lib.rs:172:31
Dec 04 06:27:05.875 INFO [stderr]     |
Dec 04 06:27:05.875 INFO [stderr] 172 |                             InfixToken::Operand(x) => break,
Dec 04 06:27:05.875 INFO [stderr]     |                                                 ^ help: consider using `_x` instead
Dec 04 06:27:05.875 INFO [stderr] 
Dec 04 06:27:05.971 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
Dec 04 06:27:05.971 INFO [stderr] su: No module specific data is present
Dec 04 06:27:06.835 INFO running `"docker" "inspect" "1fdfce5102c8aaf821a4f4a56aca374a58c439ca30201c094e383739a896b2de"`
Dec 04 06:27:07.226 INFO running `"docker" "rm" "-f" "1fdfce5102c8aaf821a4f4a56aca374a58c439ca30201c094e383739a896b2de"`
Dec 04 06:27:07.438 INFO [stdout] 1fdfce5102c8aaf821a4f4a56aca374a58c439ca30201c094e383739a896b2de