Dec 04 20:24:53.645 INFO checking cyplo/boolean_calculator against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 20:24:53.645 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 20:24:53.876 INFO [stdout] 9f4839d3d6436c1c87a316228a2b46ba746d378f2492875e313bbac966326843
Dec 04 20:24:53.881 INFO running `"docker" "start" "-a" "9f4839d3d6436c1c87a316228a2b46ba746d378f2492875e313bbac966326843"`
Dec 04 20:24:54.607 INFO [stderr] usermod: no changes
Dec 04 20:24:54.663 INFO [stderr]     Checking boolean_calculator v0.1.0 (/source)
Dec 04 20:24:55.012 INFO [stderr] warning: unused variable: `text`
Dec 04 20:24:55.012 INFO [stderr]  --> src/lib.rs:7:20
Dec 04 20:24:55.012 INFO [stderr]   |
Dec 04 20:24:55.012 INFO [stderr] 7 |         pub fn new(text: &str) -> Calculator {
Dec 04 20:24:55.012 INFO [stderr]   |                    ^^^^ help: consider using `_text` instead
Dec 04 20:24:55.012 INFO [stderr]   |
Dec 04 20:24:55.012 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 04 20:24:55.012 INFO [stderr] 
Dec 04 20:24:55.012 INFO [stderr] warning: struct is never constructed: `Calculator`
Dec 04 20:24:55.012 INFO [stderr]  --> src/lib.rs:3:5
Dec 04 20:24:55.012 INFO [stderr]   |
Dec 04 20:24:55.012 INFO [stderr] 3 |     pub struct Calculator {
Dec 04 20:24:55.012 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:24:55.012 INFO [stderr]   |
Dec 04 20:24:55.012 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 20:24:55.012 INFO [stderr] 
Dec 04 20:24:55.012 INFO [stderr] warning: method is never used: `new`
Dec 04 20:24:55.012 INFO [stderr]  --> src/lib.rs:7:9
Dec 04 20:24:55.012 INFO [stderr]   |
Dec 04 20:24:55.012 INFO [stderr] 7 |         pub fn new(text: &str) -> Calculator {
Dec 04 20:24:55.012 INFO [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:24:55.012 INFO [stderr] 
Dec 04 20:24:55.012 INFO [stderr] warning: method is never used: `get_result`
Dec 04 20:24:55.012 INFO [stderr]   --> src/lib.rs:11:9
Dec 04 20:24:55.012 INFO [stderr]    |
Dec 04 20:24:55.012 INFO [stderr] 11 |         pub fn get_result(&self) -> bool {
Dec 04 20:24:55.012 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:24:55.012 INFO [stderr] 
Dec 04 20:24:55.095 INFO [stderr] warning: unused variable: `text`
Dec 04 20:24:55.095 INFO [stderr]  --> src/lib.rs:7:20
Dec 04 20:24:55.095 INFO [stderr]   |
Dec 04 20:24:55.095 INFO [stderr] 7 |         pub fn new(text: &str) -> Calculator {
Dec 04 20:24:55.095 INFO [stderr]   |                    ^^^^ help: consider using `_text` instead
Dec 04 20:24:55.095 INFO [stderr]   |
Dec 04 20:24:55.095 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 04 20:24:55.095 INFO [stderr] 
Dec 04 20:24:55.447 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
Dec 04 20:24:55.447 INFO [stderr] su: No module specific data is present
Dec 04 20:24:55.797 INFO running `"docker" "inspect" "9f4839d3d6436c1c87a316228a2b46ba746d378f2492875e313bbac966326843"`
Dec 04 20:24:56.046 INFO running `"docker" "rm" "-f" "9f4839d3d6436c1c87a316228a2b46ba746d378f2492875e313bbac966326843"`
Dec 04 20:24:56.196 INFO [stdout] 9f4839d3d6436c1c87a316228a2b46ba746d378f2492875e313bbac966326843