Dec 18 04:48:25.489 INFO checking XOSplicer/rust_crypto_challenge against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 04:48:25.489 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 04:48:25.831 INFO [stdout] 430feb50f51301bd6e585d929f435c77b8f187066a6d4022c5f933865d08c4fb
Dec 18 04:48:25.834 INFO running `"docker" "start" "-a" "430feb50f51301bd6e585d929f435c77b8f187066a6d4022c5f933865d08c4fb"`
Dec 18 04:48:27.498 INFO [stderr]     Checking crypto_challenge v0.1.0 (/opt/crater/workdir)
Dec 18 04:48:27.970 INFO [stderr] warning: variable does not need to be mutable
Dec 18 04:48:27.970 INFO [stderr]   --> src/core.rs:49:7
Dec 18 04:48:27.970 INFO [stderr]    |
Dec 18 04:48:27.970 INFO [stderr] 49 |         let mut vec6bit = Vec::new();
Dec 18 04:48:27.970 INFO [stderr]    |             ----^^^^^^^
Dec 18 04:48:27.970 INFO [stderr]    |             |
Dec 18 04:48:27.970 INFO [stderr]    |             help: remove this `mut`
Dec 18 04:48:27.970 INFO [stderr]    |
Dec 18 04:48:27.970 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 04:48:27.970 INFO [stderr] 
Dec 18 04:48:27.970 INFO [stderr] warning: method is never used: `new`
Dec 18 04:48:27.970 INFO [stderr]   --> src/core.rs:21:2
Dec 18 04:48:27.970 INFO [stderr]    |
Dec 18 04:48:27.970 INFO [stderr] 21 |     pub fn new() -> Hex {
Dec 18 04:48:27.970 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 18 04:48:27.970 INFO [stderr]    |
Dec 18 04:48:27.970 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 04:48:27.970 INFO [stderr] 
Dec 18 04:48:27.970 INFO [stderr] warning: method is never used: `new`
Dec 18 04:48:27.970 INFO [stderr]   --> src/core.rs:91:2
Dec 18 04:48:27.970 INFO [stderr]    |
Dec 18 04:48:27.970 INFO [stderr] 91 |     pub fn new() -> Base64 {
Dec 18 04:48:27.970 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 18 04:48:27.970 INFO [stderr] 
Dec 18 04:48:28.096 INFO [stderr] warning: variable does not need to be mutable
Dec 18 04:48:28.096 INFO [stderr]   --> src/core.rs:49:7
Dec 18 04:48:28.096 INFO [stderr]    |
Dec 18 04:48:28.096 INFO [stderr] 49 |         let mut vec6bit = Vec::new();
Dec 18 04:48:28.096 INFO [stderr]    |             ----^^^^^^^
Dec 18 04:48:28.096 INFO [stderr]    |             |
Dec 18 04:48:28.096 INFO [stderr]    |             help: remove this `mut`
Dec 18 04:48:28.096 INFO [stderr]    |
Dec 18 04:48:28.096 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 04:48:28.096 INFO [stderr] 
Dec 18 04:48:28.104 INFO [stderr] warning: method is never used: `new`
Dec 18 04:48:28.104 INFO [stderr]   --> src/core.rs:21:2
Dec 18 04:48:28.104 INFO [stderr]    |
Dec 18 04:48:28.104 INFO [stderr] 21 |     pub fn new() -> Hex {
Dec 18 04:48:28.104 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 18 04:48:28.104 INFO [stderr]    |
Dec 18 04:48:28.104 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 04:48:28.104 INFO [stderr] 
Dec 18 04:48:28.104 INFO [stderr] warning: method is never used: `new`
Dec 18 04:48:28.104 INFO [stderr]   --> src/core.rs:91:2
Dec 18 04:48:28.104 INFO [stderr]    |
Dec 18 04:48:28.104 INFO [stderr] 91 |     pub fn new() -> Base64 {
Dec 18 04:48:28.104 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 18 04:48:28.104 INFO [stderr] 
Dec 18 04:48:28.126 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
Dec 18 04:48:28.688 INFO running `"docker" "inspect" "430feb50f51301bd6e585d929f435c77b8f187066a6d4022c5f933865d08c4fb"`
Dec 18 04:48:28.915 INFO running `"docker" "rm" "-f" "430feb50f51301bd6e585d929f435c77b8f187066a6d4022c5f933865d08c4fb"`
Dec 18 04:48:29.216 INFO [stdout] 430feb50f51301bd6e585d929f435c77b8f187066a6d4022c5f933865d08c4fb