Dec 19 21:16:12.464 INFO checking XOSplicer/rust_crypto_challenge against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 21:16:12.464 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/XOSplicer/rust_crypto_challenge:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 21:16:12.948 INFO [stdout] d6c0abf7ca74272d91beaab50044762993b133fdfb5ab533caebf45692c63e0c
Dec 19 21:16:12.954 INFO running `"docker" "start" "-a" "d6c0abf7ca74272d91beaab50044762993b133fdfb5ab533caebf45692c63e0c"`
Dec 19 21:16:14.617 INFO [stderr]     Checking crypto_challenge v0.1.0 (/opt/crater/workdir)
Dec 19 21:16:15.252 INFO [stderr] warning: variable does not need to be mutable
Dec 19 21:16:15.252 INFO [stderr]   --> src/core.rs:49:7
Dec 19 21:16:15.252 INFO [stderr]    |
Dec 19 21:16:15.252 INFO [stderr] 49 |         let mut vec6bit = Vec::new();
Dec 19 21:16:15.252 INFO [stderr]    |             ----^^^^^^^
Dec 19 21:16:15.252 INFO [stderr]    |             |
Dec 19 21:16:15.252 INFO [stderr]    |             help: remove this `mut`
Dec 19 21:16:15.253 INFO [stderr]    |
Dec 19 21:16:15.253 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 21:16:15.253 INFO [stderr] 
Dec 19 21:16:15.253 INFO [stderr] warning: method is never used: `new`
Dec 19 21:16:15.253 INFO [stderr]   --> src/core.rs:21:2
Dec 19 21:16:15.253 INFO [stderr]    |
Dec 19 21:16:15.253 INFO [stderr] 21 |     pub fn new() -> Hex {
Dec 19 21:16:15.253 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 19 21:16:15.253 INFO [stderr]    |
Dec 19 21:16:15.253 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 21:16:15.253 INFO [stderr] 
Dec 19 21:16:15.253 INFO [stderr] warning: method is never used: `new`
Dec 19 21:16:15.253 INFO [stderr]   --> src/core.rs:91:2
Dec 19 21:16:15.253 INFO [stderr]    |
Dec 19 21:16:15.253 INFO [stderr] 91 |     pub fn new() -> Base64 {
Dec 19 21:16:15.253 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:16:15.253 INFO [stderr] 
Dec 19 21:16:15.381 INFO [stderr] warning: variable does not need to be mutable
Dec 19 21:16:15.381 INFO [stderr]   --> src/core.rs:49:7
Dec 19 21:16:15.381 INFO [stderr]    |
Dec 19 21:16:15.381 INFO [stderr] 49 |         let mut vec6bit = Vec::new();
Dec 19 21:16:15.381 INFO [stderr]    |             ----^^^^^^^
Dec 19 21:16:15.381 INFO [stderr]    |             |
Dec 19 21:16:15.381 INFO [stderr]    |             help: remove this `mut`
Dec 19 21:16:15.381 INFO [stderr]    |
Dec 19 21:16:15.381 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 21:16:15.381 INFO [stderr] 
Dec 19 21:16:15.381 INFO [stderr] warning: method is never used: `new`
Dec 19 21:16:15.381 INFO [stderr]   --> src/core.rs:21:2
Dec 19 21:16:15.381 INFO [stderr]    |
Dec 19 21:16:15.381 INFO [stderr] 21 |     pub fn new() -> Hex {
Dec 19 21:16:15.381 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 19 21:16:15.381 INFO [stderr]    |
Dec 19 21:16:15.381 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 21:16:15.381 INFO [stderr] 
Dec 19 21:16:15.381 INFO [stderr] warning: method is never used: `new`
Dec 19 21:16:15.381 INFO [stderr]   --> src/core.rs:91:2
Dec 19 21:16:15.381 INFO [stderr]    |
Dec 19 21:16:15.381 INFO [stderr] 91 |     pub fn new() -> Base64 {
Dec 19 21:16:15.381 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:16:15.381 INFO [stderr] 
Dec 19 21:16:15.426 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
Dec 19 21:16:16.387 INFO running `"docker" "inspect" "d6c0abf7ca74272d91beaab50044762993b133fdfb5ab533caebf45692c63e0c"`
Dec 19 21:16:16.764 INFO running `"docker" "rm" "-f" "d6c0abf7ca74272d91beaab50044762993b133fdfb5ab533caebf45692c63e0c"`
Dec 19 21:16:17.096 INFO [stdout] d6c0abf7ca74272d91beaab50044762993b133fdfb5ab533caebf45692c63e0c