Nov 29 14:58:53.783 INFO checking wilcoxky/rust-hw04 against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 29 14:58:53.783 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-2/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 14:58:54.222 INFO [stdout] a7f0f0b2dc389ea1bfb0dcad7422b5aa55ae7bed0f7aaa27df158a7d9992a1c9
Nov 29 14:58:54.224 INFO running `"docker" "start" "-a" "a7f0f0b2dc389ea1bfb0dcad7422b5aa55ae7bed0f7aaa27df158a7d9992a1c9"`
Nov 29 14:58:56.008 INFO [stderr] usermod: no changes
Nov 29 14:58:56.072 INFO [stderr]     Checking libc v0.2.31
Nov 29 14:58:57.160 INFO [stderr]     Checking rand v0.3.16
Nov 29 14:58:58.543 INFO [stderr]     Checking hw04 v0.1.0 (/source)
Nov 29 14:58:58.935 INFO [stderr] warning: unused variable: `result`
Nov 29 14:58:58.935 INFO [stderr]   --> src/main.rs:27:13
Nov 29 14:58:58.935 INFO [stderr]    |
Nov 29 14:58:58.935 INFO [stderr] 27 |         let result = evaluate_line(&mut stack, &buffer);
Nov 29 14:58:58.935 INFO [stderr]    |             ^^^^^^ help: consider using `_result` instead
Nov 29 14:58:58.937 INFO [stderr]    |
Nov 29 14:58:58.937 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 14:58:58.937 INFO [stderr] 
Nov 29 14:58:58.968 INFO [stderr] warning: unused variable: `result`
Nov 29 14:58:58.968 INFO [stderr]   --> src/main.rs:27:13
Nov 29 14:58:58.968 INFO [stderr]    |
Nov 29 14:58:58.968 INFO [stderr] 27 |         let result = evaluate_line(&mut stack, &buffer);
Nov 29 14:58:58.968 INFO [stderr]    |             ^^^^^^ help: consider using `_result` instead
Nov 29 14:58:58.968 INFO [stderr]    |
Nov 29 14:58:58.968 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 14:58:58.972 INFO [stderr] 
Nov 29 14:58:58.980 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 14:58:58.984 INFO [stderr]    --> src/rpn.rs:124:21
Nov 29 14:58:58.984 INFO [stderr]     |
Nov 29 14:58:58.984 INFO [stderr] 124 |                     self.push(n);
Nov 29 14:58:58.984 INFO [stderr]     |                     ^^^^^^^^^^^^^
Nov 29 14:58:58.984 INFO [stderr]     |
Nov 29 14:58:58.984 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 29 14:58:58.984 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 14:58:58.984 INFO [stderr] 
Nov 29 14:58:58.984 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 14:58:58.984 INFO [stderr]    --> src/rpn.rs:133:21
Nov 29 14:58:58.984 INFO [stderr]     |
Nov 29 14:58:58.984 INFO [stderr] 133 |                     self.push(first.unwrap());
Nov 29 14:58:58.984 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:58:58.984 INFO [stderr]     |
Nov 29 14:58:58.984 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 14:58:58.984 INFO [stderr] 
Nov 29 14:58:59.080 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 14:58:59.080 INFO [stderr]    --> src/rpn.rs:124:21
Nov 29 14:58:59.080 INFO [stderr]     |
Nov 29 14:58:59.080 INFO [stderr] 124 |                     self.push(n);
Nov 29 14:58:59.080 INFO [stderr]     |                     ^^^^^^^^^^^^^
Nov 29 14:58:59.080 INFO [stderr]     |
Nov 29 14:58:59.080 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 29 14:58:59.080 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 14:58:59.080 INFO [stderr] 
Nov 29 14:58:59.080 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 14:58:59.080 INFO [stderr]    --> src/rpn.rs:133:21
Nov 29 14:58:59.080 INFO [stderr]     |
Nov 29 14:58:59.081 INFO [stderr] 133 |                     self.push(first.unwrap());
Nov 29 14:58:59.081 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 14:58:59.081 INFO [stderr]     |
Nov 29 14:58:59.081 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 14:58:59.081 INFO [stderr] 
Nov 29 14:58:59.116 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.07s
Nov 29 14:58:59.124 INFO [stderr] su: No module specific data is present
Nov 29 14:59:00.008 INFO running `"docker" "inspect" "a7f0f0b2dc389ea1bfb0dcad7422b5aa55ae7bed0f7aaa27df158a7d9992a1c9"`
Nov 29 14:59:00.356 INFO running `"docker" "rm" "-f" "a7f0f0b2dc389ea1bfb0dcad7422b5aa55ae7bed0f7aaa27df158a7d9992a1c9"`
Nov 29 14:59:00.615 INFO [stdout] a7f0f0b2dc389ea1bfb0dcad7422b5aa55ae7bed0f7aaa27df158a7d9992a1c9