Dec 04 23:24:45.941 INFO checking XOSplicer/rust_crypto_challenge against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 23:24:45.941 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 04 23:24:46.332 INFO [stdout] bc3b1ed6560234e1f5283738b14df35abaa7ce220320fdebccb1cc720b349c5d
Dec 04 23:24:46.351 INFO running `"docker" "start" "-a" "bc3b1ed6560234e1f5283738b14df35abaa7ce220320fdebccb1cc720b349c5d"`
Dec 04 23:24:47.286 INFO [stderr] usermod: no changes
Dec 04 23:24:47.343 INFO [stderr]     Checking crypto_challenge v0.1.0 (/source)
Dec 04 23:24:47.963 INFO [stderr] warning: variable does not need to be mutable
Dec 04 23:24:47.963 INFO [stderr]   --> src/core.rs:49:7
Dec 04 23:24:47.963 INFO [stderr]    |
Dec 04 23:24:47.963 INFO [stderr] 49 |         let mut vec6bit = Vec::new();
Dec 04 23:24:47.963 INFO [stderr]    |             ----^^^^^^^
Dec 04 23:24:47.963 INFO [stderr]    |             |
Dec 04 23:24:47.963 INFO [stderr]    |             help: remove this `mut`
Dec 04 23:24:47.963 INFO [stderr]    |
Dec 04 23:24:47.963 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 23:24:47.963 INFO [stderr] 
Dec 04 23:24:47.969 INFO [stderr] warning: method is never used: `new`
Dec 04 23:24:47.969 INFO [stderr]   --> src/core.rs:21:2
Dec 04 23:24:47.969 INFO [stderr]    |
Dec 04 23:24:47.969 INFO [stderr] 21 |     pub fn new() -> Hex {
Dec 04 23:24:47.969 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 04 23:24:47.969 INFO [stderr]    |
Dec 04 23:24:47.969 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 23:24:47.969 INFO [stderr] 
Dec 04 23:24:47.969 INFO [stderr] warning: method is never used: `new`
Dec 04 23:24:47.969 INFO [stderr]   --> src/core.rs:91:2
Dec 04 23:24:47.969 INFO [stderr]    |
Dec 04 23:24:47.969 INFO [stderr] 91 |     pub fn new() -> Base64 {
Dec 04 23:24:47.969 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 04 23:24:47.969 INFO [stderr] 
Dec 04 23:24:48.091 INFO [stderr] warning: variable does not need to be mutable
Dec 04 23:24:48.091 INFO [stderr]   --> src/core.rs:49:7
Dec 04 23:24:48.091 INFO [stderr]    |
Dec 04 23:24:48.091 INFO [stderr] 49 |         let mut vec6bit = Vec::new();
Dec 04 23:24:48.091 INFO [stderr]    |             ----^^^^^^^
Dec 04 23:24:48.091 INFO [stderr]    |             |
Dec 04 23:24:48.091 INFO [stderr]    |             help: remove this `mut`
Dec 04 23:24:48.091 INFO [stderr]    |
Dec 04 23:24:48.091 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 23:24:48.091 INFO [stderr] 
Dec 04 23:24:48.095 INFO [stderr] warning: method is never used: `new`
Dec 04 23:24:48.095 INFO [stderr]   --> src/core.rs:21:2
Dec 04 23:24:48.095 INFO [stderr]    |
Dec 04 23:24:48.095 INFO [stderr] 21 |     pub fn new() -> Hex {
Dec 04 23:24:48.096 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 04 23:24:48.096 INFO [stderr]    |
Dec 04 23:24:48.096 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 23:24:48.096 INFO [stderr] 
Dec 04 23:24:48.096 INFO [stderr] warning: method is never used: `new`
Dec 04 23:24:48.096 INFO [stderr]   --> src/core.rs:91:2
Dec 04 23:24:48.096 INFO [stderr]    |
Dec 04 23:24:48.096 INFO [stderr] 91 |     pub fn new() -> Base64 {
Dec 04 23:24:48.096 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 04 23:24:48.096 INFO [stderr] 
Dec 04 23:24:48.123 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
Dec 04 23:24:48.125 INFO [stderr] su: No module specific data is present
Dec 04 23:24:48.505 INFO running `"docker" "inspect" "bc3b1ed6560234e1f5283738b14df35abaa7ce220320fdebccb1cc720b349c5d"`
Dec 04 23:24:48.649 INFO running `"docker" "rm" "-f" "bc3b1ed6560234e1f5283738b14df35abaa7ce220320fdebccb1cc720b349c5d"`
Dec 04 23:24:48.815 INFO [stdout] bc3b1ed6560234e1f5283738b14df35abaa7ce220320fdebccb1cc720b349c5d