Dec 18 06:03:28.467 INFO checking Ophirr33/NEUCourseNotification against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 06:03:28.467 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/Ophirr33/NEUCourseNotification:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 06:03:28.872 INFO [stdout] 780d7328ef4d46666d6d0f6194e64ea51f93e318801a0cccbd52a63bf6efe869
Dec 18 06:03:28.875 INFO running `"docker" "start" "-a" "780d7328ef4d46666d6d0f6194e64ea51f93e318801a0cccbd52a63bf6efe869"`
Dec 18 06:03:30.676 INFO [stderr]    Compiling email v0.0.16
Dec 18 06:03:30.676 INFO [stderr]     Checking uuid v0.4.0
Dec 18 06:03:30.688 INFO [stderr]     Checking os_pipe v0.5.1
Dec 18 06:03:30.696 INFO [stderr]     Checking rust-crypto v0.2.36
Dec 18 06:03:30.696 INFO [stderr]     Checking shared_child v0.2.1
Dec 18 06:03:30.696 INFO [stderr]     Checking error-chain v0.8.1
Dec 18 06:03:32.088 INFO [stderr]     Checking duct v0.8.0
Dec 18 06:03:38.294 INFO [stderr]     Checking lettre v0.6.2
Dec 18 06:03:39.581 INFO [stderr]     Checking neu_course_notification v0.1.0 (/opt/crater/workdir)
Dec 18 06:03:41.328 INFO [stderr] warning: variable does not need to be mutable
Dec 18 06:03:41.328 INFO [stderr]    --> src/main.rs:238:9
Dec 18 06:03:41.329 INFO [stderr]     |
Dec 18 06:03:41.329 INFO [stderr] 238 |     let mut dao = DAO::new(Connection::open_in_memory().unwrap());
Dec 18 06:03:41.329 INFO [stderr]     |         ----^^^
Dec 18 06:03:41.329 INFO [stderr]     |         |
Dec 18 06:03:41.329 INFO [stderr]     |         help: remove this `mut`
Dec 18 06:03:41.329 INFO [stderr]     |
Dec 18 06:03:41.329 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 06:03:41.329 INFO [stderr] 
Dec 18 06:03:41.396 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.96s
Dec 18 06:03:42.800 INFO running `"docker" "inspect" "780d7328ef4d46666d6d0f6194e64ea51f93e318801a0cccbd52a63bf6efe869"`
Dec 18 06:03:43.130 INFO running `"docker" "rm" "-f" "780d7328ef4d46666d6d0f6194e64ea51f93e318801a0cccbd52a63bf6efe869"`
Dec 18 06:03:43.480 INFO [stdout] 780d7328ef4d46666d6d0f6194e64ea51f93e318801a0cccbd52a63bf6efe869