Dec 19 15:21:59.229 INFO checking jaysonsantos/bad-encryption-example against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 15:21:59.229 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/jaysonsantos/bad-encryption-example:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 15:21:59.512 INFO [stdout] cea2e7411e08f12efcaf34f28ccf084bf7fb1d6571011eefd48ea159f7dfd95e
Dec 19 15:21:59.513 INFO running `"docker" "start" "-a" "cea2e7411e08f12efcaf34f28ccf084bf7fb1d6571011eefd48ea159f7dfd95e"`
Dec 19 15:22:01.046 INFO [stderr]    Compiling deque v0.3.2
Dec 19 15:22:01.048 INFO [stderr]    Compiling num_cpus v1.4.0
Dec 19 15:22:01.048 INFO [stderr]     Checking deflate v0.7.7
Dec 19 15:22:01.053 INFO [stderr]     Checking num-bigint v0.1.37
Dec 19 15:22:01.860 INFO [stderr]     Checking rayon-core v1.0.0
Dec 19 15:22:03.697 INFO [stderr]     Checking png v0.6.2
Dec 19 15:22:03.760 INFO [stderr]     Checking num-rational v0.1.36
Dec 19 15:22:03.942 INFO [stderr]     Checking rayon v0.7.0
Dec 19 15:22:05.193 INFO [stderr]     Checking num v0.1.37
Dec 19 15:22:06.863 INFO [stderr]     Checking jpeg-decoder v0.1.12
Dec 19 15:22:07.992 INFO [stderr]    Compiling ring v0.7.5
Dec 19 15:22:08.004 INFO [stderr]     Checking image v0.12.4
Dec 19 15:22:13.388 INFO [stderr]     Checking bad-encryption-example v0.1.0 (/opt/crater/workdir)
Dec 19 15:22:13.836 INFO [stderr] warning: variable does not need to be mutable
Dec 19 15:22:13.836 INFO [stderr]   --> src/main.rs:64:17
Dec 19 15:22:13.836 INFO [stderr]    |
Dec 19 15:22:13.836 INFO [stderr] 64 |             let mut imgbuf = img.as_mut_rgb8().unwrap();
Dec 19 15:22:13.836 INFO [stderr]    |                 ----^^^^^^
Dec 19 15:22:13.836 INFO [stderr]    |                 |
Dec 19 15:22:13.836 INFO [stderr]    |                 help: remove this `mut`
Dec 19 15:22:13.836 INFO [stderr]    |
Dec 19 15:22:13.836 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 15:22:13.836 INFO [stderr] 
Dec 19 15:22:13.836 INFO [stderr] warning: variable does not need to be mutable
Dec 19 15:22:13.836 INFO [stderr]   --> src/main.rs:64:17
Dec 19 15:22:13.836 INFO [stderr]    |
Dec 19 15:22:13.836 INFO [stderr] 64 |             let mut imgbuf = img.as_mut_rgb8().unwrap();
Dec 19 15:22:13.836 INFO [stderr]    |                 ----^^^^^^
Dec 19 15:22:13.836 INFO [stderr]    |                 |
Dec 19 15:22:13.836 INFO [stderr]    |                 help: remove this `mut`
Dec 19 15:22:13.836 INFO [stderr] 
Dec 19 15:22:13.837 INFO [stderr] warning: variable does not need to be mutable
Dec 19 15:22:13.837 INFO [stderr]   --> src/main.rs:64:17
Dec 19 15:22:13.837 INFO [stderr]    |
Dec 19 15:22:13.837 INFO [stderr] 64 |             let mut imgbuf = img.as_mut_rgb8().unwrap();
Dec 19 15:22:13.837 INFO [stderr]    |                 ----^^^^^^
Dec 19 15:22:13.837 INFO [stderr]    |                 |
Dec 19 15:22:13.837 INFO [stderr]    |                 help: remove this `mut`
Dec 19 15:22:13.837 INFO [stderr]    |
Dec 19 15:22:13.837 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 15:22:13.837 INFO [stderr] 
Dec 19 15:22:13.837 INFO [stderr] warning: variable does not need to be mutable
Dec 19 15:22:13.837 INFO [stderr]   --> src/main.rs:64:17
Dec 19 15:22:13.837 INFO [stderr]    |
Dec 19 15:22:13.837 INFO [stderr] 64 |             let mut imgbuf = img.as_mut_rgb8().unwrap();
Dec 19 15:22:13.837 INFO [stderr]    |                 ----^^^^^^
Dec 19 15:22:13.837 INFO [stderr]    |                 |
Dec 19 15:22:13.837 INFO [stderr]    |                 help: remove this `mut`
Dec 19 15:22:13.837 INFO [stderr] 
Dec 19 15:22:13.858 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.90s
Dec 19 15:22:14.312 INFO running `"docker" "inspect" "cea2e7411e08f12efcaf34f28ccf084bf7fb1d6571011eefd48ea159f7dfd95e"`
Dec 19 15:22:14.488 INFO running `"docker" "rm" "-f" "cea2e7411e08f12efcaf34f28ccf084bf7fb1d6571011eefd48ea159f7dfd95e"`
Dec 19 15:22:14.603 INFO [stdout] cea2e7411e08f12efcaf34f28ccf084bf7fb1d6571011eefd48ea159f7dfd95e