Dec 05 10:37:42.843 INFO checking mascheroni-0.2.0 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 10:37:42.843 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 05 10:37:43.031 INFO [stdout] 29738b22f699f897e0feb60e39fad454a72073c3c40e10128878fc8bd1125ba9
Dec 05 10:37:43.033 INFO running `"docker" "start" "-a" "29738b22f699f897e0feb60e39fad454a72073c3c40e10128878fc8bd1125ba9"`
Dec 05 10:37:43.788 INFO [stderr] usermod: no changes
Dec 05 10:37:43.823 INFO [stderr]     Checking mascheroni v0.2.0 (/source)
Dec 05 10:37:44.355 INFO [stderr] warning: unused variable: `ret`
Dec 05 10:37:44.355 INFO [stderr]   --> src/lib.rs:40:13
Dec 05 10:37:44.355 INFO [stderr]    |
Dec 05 10:37:44.355 INFO [stderr] 40 |     let mut ret: u64 = 0;
Dec 05 10:37:44.355 INFO [stderr]    |             ^^^ help: consider using `_ret` instead
Dec 05 10:37:44.355 INFO [stderr]    |
Dec 05 10:37:44.355 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 10:37:44.355 INFO [stderr] 
Dec 05 10:37:44.379 INFO [stderr] warning: variable does not need to be mutable
Dec 05 10:37:44.379 INFO [stderr]   --> src/lib.rs:40:9
Dec 05 10:37:44.379 INFO [stderr]    |
Dec 05 10:37:44.379 INFO [stderr] 40 |     let mut ret: u64 = 0;
Dec 05 10:37:44.379 INFO [stderr]    |         ----^^^
Dec 05 10:37:44.379 INFO [stderr]    |         |
Dec 05 10:37:44.379 INFO [stderr]    |         help: remove this `mut`
Dec 05 10:37:44.379 INFO [stderr]    |
Dec 05 10:37:44.379 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 10:37:44.379 INFO [stderr] 
Dec 05 10:37:44.391 INFO [stderr] warning: function is never used: `test_is_not_palindrome`
Dec 05 10:37:44.393 INFO [stderr]    --> src/lib.rs:112:1
Dec 05 10:37:44.393 INFO [stderr]     |
Dec 05 10:37:44.393 INFO [stderr] 112 | fn test_is_not_palindrome() {
Dec 05 10:37:44.393 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 10:37:44.393 INFO [stderr]     |
Dec 05 10:37:44.393 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 05 10:37:44.393 INFO [stderr] 
Dec 05 10:37:44.609 INFO [stderr] warning: unused variable: `ret`
Dec 05 10:37:44.609 INFO [stderr]   --> src/lib.rs:40:13
Dec 05 10:37:44.609 INFO [stderr]    |
Dec 05 10:37:44.609 INFO [stderr] 40 |     let mut ret: u64 = 0;
Dec 05 10:37:44.609 INFO [stderr]    |             ^^^ help: consider using `_ret` instead
Dec 05 10:37:44.609 INFO [stderr]    |
Dec 05 10:37:44.609 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 10:37:44.609 INFO [stderr] 
Dec 05 10:37:44.616 INFO [stderr] warning: variable does not need to be mutable
Dec 05 10:37:44.616 INFO [stderr]   --> src/lib.rs:40:9
Dec 05 10:37:44.616 INFO [stderr]    |
Dec 05 10:37:44.616 INFO [stderr] 40 |     let mut ret: u64 = 0;
Dec 05 10:37:44.616 INFO [stderr]    |         ----^^^
Dec 05 10:37:44.616 INFO [stderr]    |         |
Dec 05 10:37:44.616 INFO [stderr]    |         help: remove this `mut`
Dec 05 10:37:44.616 INFO [stderr]    |
Dec 05 10:37:44.616 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 10:37:44.616 INFO [stderr] 
Dec 05 10:37:44.625 INFO [stderr] warning: function is never used: `test_is_not_palindrome`
Dec 05 10:37:44.625 INFO [stderr]    --> src/lib.rs:112:1
Dec 05 10:37:44.625 INFO [stderr]     |
Dec 05 10:37:44.625 INFO [stderr] 112 | fn test_is_not_palindrome() {
Dec 05 10:37:44.625 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 10:37:44.625 INFO [stderr]     |
Dec 05 10:37:44.625 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 05 10:37:44.625 INFO [stderr] 
Dec 05 10:37:44.691 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
Dec 05 10:37:44.691 INFO [stderr] su: No module specific data is present
Dec 05 10:37:45.656 INFO running `"docker" "inspect" "29738b22f699f897e0feb60e39fad454a72073c3c40e10128878fc8bd1125ba9"`
Dec 05 10:37:45.803 INFO running `"docker" "rm" "-f" "29738b22f699f897e0feb60e39fad454a72073c3c40e10128878fc8bd1125ba9"`
Dec 05 10:37:46.042 INFO [stdout] 29738b22f699f897e0feb60e39fad454a72073c3c40e10128878fc8bd1125ba9