Dec 12 01:58:31.353 INFO checking KeyboardFire/xkcd1537-rust against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 01:58:31.354 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 12 01:58:31.708 INFO [stdout] 0e5a3b033eee87c6139135799f586df3094ba9a897d5709fbe63e76bfa7fefda
Dec 12 01:58:31.710 INFO running `"docker" "start" "-a" "0e5a3b033eee87c6139135799f586df3094ba9a897d5709fbe63e76bfa7fefda"`
Dec 12 01:58:32.307 INFO [stderr] usermod: no changes
Dec 12 01:58:32.358 INFO [stderr]     Checking xkcd1537 v0.0.1 (/source)
Dec 12 01:58:32.952 INFO [stderr] warning: unused variable: `n`
Dec 12 01:58:32.952 INFO [stderr]    --> src/main.rs:239:45
Dec 12 01:58:32.952 INFO [stderr]     |
Dec 12 01:58:32.952 INFO [stderr] 239 |             Token::XFunction(Function::Wrap(n)) => { },
Dec 12 01:58:32.952 INFO [stderr]     |                                             ^ help: consider using `_n` instead
Dec 12 01:58:32.952 INFO [stderr]     |
Dec 12 01:58:32.952 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 12 01:58:32.952 INFO [stderr] 
Dec 12 01:58:32.984 INFO [stderr] warning: variant is never constructed: `XArray`
Dec 12 01:58:32.984 INFO [stderr]   --> src/main.rs:87:5
Dec 12 01:58:32.984 INFO [stderr]    |
Dec 12 01:58:32.984 INFO [stderr] 87 |     XArray(Vec<Token>),
Dec 12 01:58:32.984 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 12 01:58:32.984 INFO [stderr]    |
Dec 12 01:58:32.984 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 01:58:32.984 INFO [stderr] 
Dec 12 01:58:32.984 INFO [stderr] warning: function is never used: `exec_rpn`
Dec 12 01:58:32.984 INFO [stderr]    --> src/main.rs:227:1
Dec 12 01:58:32.984 INFO [stderr]     |
Dec 12 01:58:32.984 INFO [stderr] 227 | fn exec_rpn(rpn: Vec<Token>) -> Vec<Token> {
Dec 12 01:58:32.984 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:58:32.984 INFO [stderr] 
Dec 12 01:58:33.062 INFO [stderr] warning: unused variable: `n`
Dec 12 01:58:33.062 INFO [stderr]    --> src/main.rs:239:45
Dec 12 01:58:33.062 INFO [stderr]     |
Dec 12 01:58:33.062 INFO [stderr] 239 |             Token::XFunction(Function::Wrap(n)) => { },
Dec 12 01:58:33.062 INFO [stderr]     |                                             ^ help: consider using `_n` instead
Dec 12 01:58:33.062 INFO [stderr]     |
Dec 12 01:58:33.062 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 12 01:58:33.062 INFO [stderr] 
Dec 12 01:58:33.086 INFO [stderr] warning: variant is never constructed: `XArray`
Dec 12 01:58:33.086 INFO [stderr]   --> src/main.rs:87:5
Dec 12 01:58:33.086 INFO [stderr]    |
Dec 12 01:58:33.086 INFO [stderr] 87 |     XArray(Vec<Token>),
Dec 12 01:58:33.086 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 12 01:58:33.086 INFO [stderr]    |
Dec 12 01:58:33.086 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 01:58:33.086 INFO [stderr] 
Dec 12 01:58:33.086 INFO [stderr] warning: function is never used: `exec_rpn`
Dec 12 01:58:33.086 INFO [stderr]    --> src/main.rs:227:1
Dec 12 01:58:33.086 INFO [stderr]     |
Dec 12 01:58:33.086 INFO [stderr] 227 | fn exec_rpn(rpn: Vec<Token>) -> Vec<Token> {
Dec 12 01:58:33.086 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:58:33.086 INFO [stderr] 
Dec 12 01:58:33.100 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
Dec 12 01:58:33.113 INFO [stderr] su: No module specific data is present
Dec 12 01:58:33.782 INFO running `"docker" "inspect" "0e5a3b033eee87c6139135799f586df3094ba9a897d5709fbe63e76bfa7fefda"`
Dec 12 01:58:34.009 INFO running `"docker" "rm" "-f" "0e5a3b033eee87c6139135799f586df3094ba9a897d5709fbe63e76bfa7fefda"`
Dec 12 01:58:34.288 INFO [stdout] 0e5a3b033eee87c6139135799f586df3094ba9a897d5709fbe63e76bfa7fefda