Dec 11 20:17:54.765 INFO checking cyplo/boolean_calculator against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 20:17:54.765 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 11 20:17:54.964 INFO [stdout] bc1d3f7b920e650a5e16f1f069c67a8ddb5d940bed14ab1cc694eef19736132b
Dec 11 20:17:54.966 INFO running `"docker" "start" "-a" "bc1d3f7b920e650a5e16f1f069c67a8ddb5d940bed14ab1cc694eef19736132b"`
Dec 11 20:17:55.612 INFO [stderr] usermod: no changes
Dec 11 20:17:55.676 INFO [stderr]     Checking boolean_calculator v0.1.0 (/source)
Dec 11 20:17:56.168 INFO [stderr] warning: unused variable: `text`
Dec 11 20:17:56.168 INFO [stderr]  --> src/lib.rs:7:20
Dec 11 20:17:56.168 INFO [stderr]   |
Dec 11 20:17:56.168 INFO [stderr] 7 |         pub fn new(text: &str) -> Calculator {
Dec 11 20:17:56.168 INFO [stderr]   |                    ^^^^ help: consider using `_text` instead
Dec 11 20:17:56.168 INFO [stderr]   |
Dec 11 20:17:56.168 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 11 20:17:56.168 INFO [stderr] 
Dec 11 20:17:56.168 INFO [stderr] warning: struct is never constructed: `Calculator`
Dec 11 20:17:56.168 INFO [stderr]  --> src/lib.rs:3:5
Dec 11 20:17:56.168 INFO [stderr]   |
Dec 11 20:17:56.168 INFO [stderr] 3 |     pub struct Calculator {
Dec 11 20:17:56.168 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:17:56.168 INFO [stderr]   |
Dec 11 20:17:56.168 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 20:17:56.169 INFO [stderr] 
Dec 11 20:17:56.169 INFO [stderr] warning: method is never used: `new`
Dec 11 20:17:56.169 INFO [stderr]  --> src/lib.rs:7:9
Dec 11 20:17:56.169 INFO [stderr]   |
Dec 11 20:17:56.169 INFO [stderr] 7 |         pub fn new(text: &str) -> Calculator {
Dec 11 20:17:56.169 INFO [stderr]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:17:56.169 INFO [stderr] 
Dec 11 20:17:56.169 INFO [stderr] warning: method is never used: `get_result`
Dec 11 20:17:56.169 INFO [stderr]   --> src/lib.rs:11:9
Dec 11 20:17:56.169 INFO [stderr]    |
Dec 11 20:17:56.169 INFO [stderr] 11 |         pub fn get_result(&self) -> bool {
Dec 11 20:17:56.169 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:17:56.169 INFO [stderr] 
Dec 11 20:17:56.294 INFO [stderr] warning: unused variable: `text`
Dec 11 20:17:56.294 INFO [stderr]  --> src/lib.rs:7:20
Dec 11 20:17:56.295 INFO [stderr]   |
Dec 11 20:17:56.295 INFO [stderr] 7 |         pub fn new(text: &str) -> Calculator {
Dec 11 20:17:56.295 INFO [stderr]   |                    ^^^^ help: consider using `_text` instead
Dec 11 20:17:56.296 INFO [stderr]   |
Dec 11 20:17:56.296 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 11 20:17:56.296 INFO [stderr] 
Dec 11 20:17:56.720 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
Dec 11 20:17:56.725 INFO [stderr] su: No module specific data is present
Dec 11 20:17:57.422 INFO running `"docker" "inspect" "bc1d3f7b920e650a5e16f1f069c67a8ddb5d940bed14ab1cc694eef19736132b"`
Dec 11 20:17:57.540 INFO running `"docker" "rm" "-f" "bc1d3f7b920e650a5e16f1f069c67a8ddb5d940bed14ab1cc694eef19736132b"`
Dec 11 20:17:57.748 INFO [stdout] bc1d3f7b920e650a5e16f1f069c67a8ddb5d940bed14ab1cc694eef19736132b