Dec 19 22:29:40.625 INFO checking Ophirr33/NEUCourseNotification against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 22:29:40.625 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 22:29:41.089 INFO [stdout] 5b69c83f5f68efcc8edf33518e2bf5a0248ae9163ef4f59fb0572642f97fca22
Dec 19 22:29:41.100 INFO running `"docker" "start" "-a" "5b69c83f5f68efcc8edf33518e2bf5a0248ae9163ef4f59fb0572642f97fca22"`
Dec 19 22:29:42.778 INFO [stderr]    Compiling openssl-sys v0.9.9
Dec 19 22:29:42.780 INFO [stderr]    Compiling email v0.0.16
Dec 19 22:29:42.782 INFO [stderr]     Checking uuid v0.4.0
Dec 19 22:29:42.782 INFO [stderr]     Checking clap v2.22.1
Dec 19 22:29:42.782 INFO [stderr]     Checking os_pipe v0.5.1
Dec 19 22:29:42.782 INFO [stderr]     Checking rust-crypto v0.2.36
Dec 19 22:29:42.782 INFO [stderr]     Checking shared_child v0.2.1
Dec 19 22:29:42.782 INFO [stderr]     Checking backtrace v0.3.0
Dec 19 22:29:45.267 INFO [stderr]     Checking error-chain v0.8.1
Dec 19 22:29:47.760 INFO [stderr]     Checking duct v0.8.0
Dec 19 22:29:48.585 INFO [stderr]    Compiling openssl v0.9.9
Dec 19 22:29:58.290 INFO [stderr]     Checking lettre v0.6.2
Dec 19 22:30:00.635 INFO [stderr]     Checking neu_course_notification v0.1.0 (/opt/crater/workdir)
Dec 19 22:30:02.188 INFO [stderr] warning: variable does not need to be mutable
Dec 19 22:30:02.188 INFO [stderr]    --> src/main.rs:238:9
Dec 19 22:30:02.188 INFO [stderr]     |
Dec 19 22:30:02.188 INFO [stderr] 238 |     let mut dao = DAO::new(Connection::open_in_memory().unwrap());
Dec 19 22:30:02.188 INFO [stderr]     |         ----^^^
Dec 19 22:30:02.188 INFO [stderr]     |         |
Dec 19 22:30:02.188 INFO [stderr]     |         help: remove this `mut`
Dec 19 22:30:02.188 INFO [stderr]     |
Dec 19 22:30:02.188 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 22:30:02.188 INFO [stderr] 
Dec 19 22:30:02.236 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.71s
Dec 19 22:30:03.542 INFO running `"docker" "inspect" "5b69c83f5f68efcc8edf33518e2bf5a0248ae9163ef4f59fb0572642f97fca22"`
Dec 19 22:30:03.872 INFO running `"docker" "rm" "-f" "5b69c83f5f68efcc8edf33518e2bf5a0248ae9163ef4f59fb0572642f97fca22"`
Dec 19 22:30:04.239 INFO [stdout] 5b69c83f5f68efcc8edf33518e2bf5a0248ae9163ef4f59fb0572642f97fca22