Nov 29 14:58:52.936 INFO checking wilcoxky/rust-hw04 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 29 14:58:52.936 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-4/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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"`
Nov 29 14:58:53.424 INFO [stdout] a13c7508af9a13099aad69fdd86677861865a5b4d15b2ee3583b46194c93717f
Nov 29 14:58:53.430 INFO running `"docker" "start" "-a" "a13c7508af9a13099aad69fdd86677861865a5b4d15b2ee3583b46194c93717f"`
Nov 29 14:58:55.776 INFO [stderr] usermod: no changes
Nov 29 14:58:55.849 INFO [stderr]     Checking libc v0.2.31
Nov 29 14:58:56.992 INFO [stderr]     Checking rand v0.3.16
Nov 29 14:58:58.308 INFO [stderr]     Checking hw04 v0.1.0 (/source)
Nov 29 14:58:58.728 INFO [stderr] warning: unused variable: `result`
Nov 29 14:58:58.728 INFO [stderr]   --> src/main.rs:27:13
Nov 29 14:58:58.728 INFO [stderr]    |
Nov 29 14:58:58.728 INFO [stderr] 27 |         let result = evaluate_line(&mut stack, &buffer);
Nov 29 14:58:58.728 INFO [stderr]    |             ^^^^^^ help: consider using `_result` instead
Nov 29 14:58:58.728 INFO [stderr]    |
Nov 29 14:58:58.728 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 14:58:58.728 INFO [stderr] 
Nov 29 14:58:58.788 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 14:58:58.788 INFO [stderr]    --> src/rpn.rs:124:21
Nov 29 14:58:58.788 INFO [stderr]     |
Nov 29 14:58:58.788 INFO [stderr] 124 |                     self.push(n);
Nov 29 14:58:58.788 INFO [stderr]     |                     ^^^^^^^^^^^^^
Nov 29 14:58:58.788 INFO [stderr]     |
Nov 29 14:58:58.788 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 29 14:58:58.788 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 14:58:58.788 INFO [stderr] 
Nov 29 14:58:58.788 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 14:58:58.788 INFO [stderr]    --> src/rpn.rs:133:21
Nov 29 14:58:58.788 INFO [stderr]     |
Nov 29 14:58:58.788 INFO [stderr] 133 |                     self.push(first.unwrap());
Nov 29 14:58:58.788 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:58:58.788 INFO [stderr]     |
Nov 29 14:58:58.788 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 14:58:58.788 INFO [stderr] 
Nov 29 14:58:58.840 INFO [stderr] warning: unused variable: `result`
Nov 29 14:58:58.841 INFO [stderr]   --> src/main.rs:27:13
Nov 29 14:58:58.841 INFO [stderr]    |
Nov 29 14:58:58.841 INFO [stderr] 27 |         let result = evaluate_line(&mut stack, &buffer);
Nov 29 14:58:58.841 INFO [stderr]    |             ^^^^^^ help: consider using `_result` instead
Nov 29 14:58:58.841 INFO [stderr]    |
Nov 29 14:58:58.841 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 14:58:58.841 INFO [stderr] 
Nov 29 14:58:58.961 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 14:58:58.961 INFO [stderr]    --> src/rpn.rs:124:21
Nov 29 14:58:58.962 INFO [stderr]     |
Nov 29 14:58:58.962 INFO [stderr] 124 |                     self.push(n);
Nov 29 14:58:58.962 INFO [stderr]     |                     ^^^^^^^^^^^^^
Nov 29 14:58:58.962 INFO [stderr]     |
Nov 29 14:58:58.962 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 29 14:58:58.962 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 14:58:58.963 INFO [stderr] 
Nov 29 14:58:58.963 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 14:58:58.963 INFO [stderr]    --> src/rpn.rs:133:21
Nov 29 14:58:58.963 INFO [stderr]     |
Nov 29 14:58:58.963 INFO [stderr] 133 |                     self.push(first.unwrap());
Nov 29 14:58:58.963 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:58:58.967 INFO [stderr]     |
Nov 29 14:58:58.967 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 14:58:58.968 INFO [stderr] 
Nov 29 14:58:59.024 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.22s
Nov 29 14:58:59.031 INFO [stderr] su: No module specific data is present
Nov 29 14:58:59.818 INFO running `"docker" "inspect" "a13c7508af9a13099aad69fdd86677861865a5b4d15b2ee3583b46194c93717f"`
Nov 29 14:59:00.184 INFO running `"docker" "rm" "-f" "a13c7508af9a13099aad69fdd86677861865a5b4d15b2ee3583b46194c93717f"`
Nov 29 14:59:00.533 INFO [stdout] a13c7508af9a13099aad69fdd86677861865a5b4d15b2ee3583b46194c93717f