Dec 18 14:08:37.247 INFO checking mascheroni-0.2.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 14:08:37.247 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/mascheroni/0.2.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 14:08:37.413 INFO [stdout] f2ce79a6440715fd79b2c502bc3a6ee7be5629a57154896a715176f872b2fe2c
Dec 18 14:08:37.418 INFO running `"docker" "start" "-a" "f2ce79a6440715fd79b2c502bc3a6ee7be5629a57154896a715176f872b2fe2c"`
Dec 18 14:08:38.266 INFO [stderr]     Checking mascheroni v0.2.0 (/opt/crater/workdir)
Dec 18 14:08:38.672 INFO [stderr] warning: unused variable: `ret`
Dec 18 14:08:38.672 INFO [stderr]   --> src/lib.rs:40:13
Dec 18 14:08:38.672 INFO [stderr]    |
Dec 18 14:08:38.672 INFO [stderr] 40 |     let mut ret: u64 = 0;
Dec 18 14:08:38.672 INFO [stderr]    |             ^^^ help: consider using `_ret` instead
Dec 18 14:08:38.672 INFO [stderr]    |
Dec 18 14:08:38.672 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 14:08:38.672 INFO [stderr] 
Dec 18 14:08:38.679 INFO [stderr] warning: variable does not need to be mutable
Dec 18 14:08:38.679 INFO [stderr]   --> src/lib.rs:40:9
Dec 18 14:08:38.679 INFO [stderr]    |
Dec 18 14:08:38.679 INFO [stderr] 40 |     let mut ret: u64 = 0;
Dec 18 14:08:38.679 INFO [stderr]    |         ----^^^
Dec 18 14:08:38.679 INFO [stderr]    |         |
Dec 18 14:08:38.679 INFO [stderr]    |         help: remove this `mut`
Dec 18 14:08:38.679 INFO [stderr]    |
Dec 18 14:08:38.679 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 14:08:38.679 INFO [stderr] 
Dec 18 14:08:38.680 INFO [stderr] warning: function is never used: `test_is_not_palindrome`
Dec 18 14:08:38.680 INFO [stderr]    --> src/lib.rs:112:1
Dec 18 14:08:38.680 INFO [stderr]     |
Dec 18 14:08:38.680 INFO [stderr] 112 | fn test_is_not_palindrome() {
Dec 18 14:08:38.680 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 14:08:38.680 INFO [stderr]     |
Dec 18 14:08:38.682 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 14:08:38.682 INFO [stderr] 
Dec 18 14:08:38.700 INFO [stderr] warning: unused variable: `ret`
Dec 18 14:08:38.700 INFO [stderr]   --> src/lib.rs:40:13
Dec 18 14:08:38.700 INFO [stderr]    |
Dec 18 14:08:38.700 INFO [stderr] 40 |     let mut ret: u64 = 0;
Dec 18 14:08:38.700 INFO [stderr]    |             ^^^ help: consider using `_ret` instead
Dec 18 14:08:38.700 INFO [stderr]    |
Dec 18 14:08:38.700 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 14:08:38.700 INFO [stderr] 
Dec 18 14:08:38.706 INFO [stderr] warning: variable does not need to be mutable
Dec 18 14:08:38.706 INFO [stderr]   --> src/lib.rs:40:9
Dec 18 14:08:38.706 INFO [stderr]    |
Dec 18 14:08:38.706 INFO [stderr] 40 |     let mut ret: u64 = 0;
Dec 18 14:08:38.706 INFO [stderr]    |         ----^^^
Dec 18 14:08:38.706 INFO [stderr]    |         |
Dec 18 14:08:38.706 INFO [stderr]    |         help: remove this `mut`
Dec 18 14:08:38.706 INFO [stderr]    |
Dec 18 14:08:38.706 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 14:08:38.706 INFO [stderr] 
Dec 18 14:08:38.716 INFO [stderr] warning: function is never used: `test_is_not_palindrome`
Dec 18 14:08:38.716 INFO [stderr]    --> src/lib.rs:112:1
Dec 18 14:08:38.716 INFO [stderr]     |
Dec 18 14:08:38.716 INFO [stderr] 112 | fn test_is_not_palindrome() {
Dec 18 14:08:38.716 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 14:08:38.716 INFO [stderr]     |
Dec 18 14:08:38.716 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 14:08:38.716 INFO [stderr] 
Dec 18 14:08:38.760 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
Dec 18 14:08:39.150 INFO running `"docker" "inspect" "f2ce79a6440715fd79b2c502bc3a6ee7be5629a57154896a715176f872b2fe2c"`
Dec 18 14:08:39.216 INFO running `"docker" "rm" "-f" "f2ce79a6440715fd79b2c502bc3a6ee7be5629a57154896a715176f872b2fe2c"`
Dec 18 14:08:39.299 INFO [stdout] f2ce79a6440715fd79b2c502bc3a6ee7be5629a57154896a715176f872b2fe2c