Nov 30 19:40:49.836 INFO checking mascheroni-0.2.0 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 19:40:49.836 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-5/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 30 19:40:50.152 INFO [stdout] 4a707a50c2e7005c44fbd80baca4bf8fb81d68a05010e82d99c55ca7bf624adb
Nov 30 19:40:50.158 INFO running `"docker" "start" "-a" "4a707a50c2e7005c44fbd80baca4bf8fb81d68a05010e82d99c55ca7bf624adb"`
Nov 30 19:40:51.048 INFO [stderr] usermod: no changes
Nov 30 19:40:51.128 INFO [stderr]     Checking mascheroni v0.2.0 (/source)
Nov 30 19:40:51.965 INFO [stderr] warning: unused variable: `ret`
Nov 30 19:40:51.965 INFO [stderr]   --> src/lib.rs:40:13
Nov 30 19:40:51.965 INFO [stderr]    |
Nov 30 19:40:51.966 INFO [stderr] 40 |     let mut ret: u64 = 0;
Nov 30 19:40:51.966 INFO [stderr]    |             ^^^ help: consider using `_ret` instead
Nov 30 19:40:51.966 INFO [stderr]    |
Nov 30 19:40:51.966 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 19:40:51.967 INFO [stderr] 
Nov 30 19:40:51.970 INFO [stderr] warning: variable does not need to be mutable
Nov 30 19:40:51.971 INFO [stderr]   --> src/lib.rs:40:9
Nov 30 19:40:51.971 INFO [stderr]    |
Nov 30 19:40:51.971 INFO [stderr] 40 |     let mut ret: u64 = 0;
Nov 30 19:40:51.971 INFO [stderr]    |         ----^^^
Nov 30 19:40:51.972 INFO [stderr]    |         |
Nov 30 19:40:51.972 INFO [stderr]    |         help: remove this `mut`
Nov 30 19:40:51.972 INFO [stderr]    |
Nov 30 19:40:51.972 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 19:40:51.972 INFO [stderr] 
Nov 30 19:40:51.996 INFO [stderr] warning: function is never used: `test_is_not_palindrome`
Nov 30 19:40:51.997 INFO [stderr]    --> src/lib.rs:112:1
Nov 30 19:40:51.997 INFO [stderr]     |
Nov 30 19:40:51.997 INFO [stderr] 112 | fn test_is_not_palindrome() {
Nov 30 19:40:51.997 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:51.998 INFO [stderr]     |
Nov 30 19:40:51.998 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 30 19:40:51.998 INFO [stderr] 
Nov 30 19:40:52.168 INFO [stderr] warning: unused variable: `ret`
Nov 30 19:40:52.168 INFO [stderr]   --> src/lib.rs:40:13
Nov 30 19:40:52.169 INFO [stderr]    |
Nov 30 19:40:52.169 INFO [stderr] 40 |     let mut ret: u64 = 0;
Nov 30 19:40:52.169 INFO [stderr]    |             ^^^ help: consider using `_ret` instead
Nov 30 19:40:52.169 INFO [stderr]    |
Nov 30 19:40:52.170 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 19:40:52.170 INFO [stderr] 
Nov 30 19:40:52.173 INFO [stderr] warning: variable does not need to be mutable
Nov 30 19:40:52.174 INFO [stderr]   --> src/lib.rs:40:9
Nov 30 19:40:52.174 INFO [stderr]    |
Nov 30 19:40:52.174 INFO [stderr] 40 |     let mut ret: u64 = 0;
Nov 30 19:40:52.174 INFO [stderr]    |         ----^^^
Nov 30 19:40:52.174 INFO [stderr]    |         |
Nov 30 19:40:52.174 INFO [stderr]    |         help: remove this `mut`
Nov 30 19:40:52.174 INFO [stderr]    |
Nov 30 19:40:52.175 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 19:40:52.175 INFO [stderr] 
Nov 30 19:40:52.193 INFO [stderr] warning: function is never used: `test_is_not_palindrome`
Nov 30 19:40:52.193 INFO [stderr]    --> src/lib.rs:112:1
Nov 30 19:40:52.193 INFO [stderr]     |
Nov 30 19:40:52.193 INFO [stderr] 112 | fn test_is_not_palindrome() {
Nov 30 19:40:52.193 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:40:52.193 INFO [stderr]     |
Nov 30 19:40:52.193 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 30 19:40:52.193 INFO [stderr] 
Nov 30 19:40:52.224 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
Nov 30 19:40:52.226 INFO [stderr] su: No module specific data is present
Nov 30 19:40:53.635 INFO running `"docker" "inspect" "4a707a50c2e7005c44fbd80baca4bf8fb81d68a05010e82d99c55ca7bf624adb"`
Nov 30 19:40:53.903 INFO running `"docker" "rm" "-f" "4a707a50c2e7005c44fbd80baca4bf8fb81d68a05010e82d99c55ca7bf624adb"`
Nov 30 19:40:54.220 INFO [stdout] 4a707a50c2e7005c44fbd80baca4bf8fb81d68a05010e82d99c55ca7bf624adb