[INFO] updating cached repository geekapk/GeekApk-EmailService
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/geekapk/GeekApk-EmailService
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/geekapk/GeekApk-EmailService" "work/ex/beta-1.38-1/sources/1.37.0/gh/geekapk/GeekApk-EmailService"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/geekapk/GeekApk-EmailService'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/geekapk/GeekApk-EmailService" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/geekapk/GeekApk-EmailService"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/geekapk/GeekApk-EmailService'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 54f27f15a18820f4f1f750994684107ba5f7fa87
[INFO] sha for GitHub repo geekapk/GeekApk-EmailService: 54f27f15a18820f4f1f750994684107ba5f7fa87
[INFO] validating manifest of geekapk/GeekApk-EmailService on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of geekapk/GeekApk-EmailService on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing geekapk/GeekApk-EmailService
[INFO] finished frobbing geekapk/GeekApk-EmailService
[INFO] frobbed toml for geekapk/GeekApk-EmailService written to work/ex/beta-1.38-1/sources/1.37.0/gh/geekapk/GeekApk-EmailService/Cargo.toml
[INFO] started frobbing geekapk/GeekApk-EmailService
[INFO] finished frobbing geekapk/GeekApk-EmailService
[INFO] frobbed toml for geekapk/GeekApk-EmailService written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/geekapk/GeekApk-EmailService/Cargo.toml
[INFO] crate geekapk/GeekApk-EmailService already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing geekapk/GeekApk-EmailService against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/geekapk/GeekApk-EmailService:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] d5a9ea810ea69545dc46adeda45c23d5ecf6d445ded4f98b7816f8b1b80cb5d6
[INFO] running `"docker" "start" "-a" "d5a9ea810ea69545dc46adeda45c23d5ecf6d445ded4f98b7816f8b1b80cb5d6"`
[INFO] [stderr]    Compiling threadpool v1.7.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.14
[INFO] [stderr]    Compiling native-tls v0.1.4
[INFO] [stderr]    Compiling hyper v0.11.6
[INFO] [stderr]    Compiling backtrace v0.3.3
[INFO] [stderr]    Compiling tokio-tls v0.1.3
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling hyper-tls v0.1.2
[INFO] [stderr]    Compiling reqwest v0.7.3
[INFO] [stderr]    Compiling sendgrid v0.6.0
[INFO] [stderr]    Compiling geekapk_emailservice v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(never_type)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:37:70
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn load_from_file<T: AsRef<str>>(p: T) -> Result<Config, Box<Error>> {
[INFO] [stderr]    |                                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/worker.rs:33:49
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn run_once(&mut self) -> Result<!, Box<Error>> {
[INFO] [stderr]    |                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/worker.rs:62:21
[INFO] [stderr]    |
[INFO] [stderr] 62 | ) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `geekapk_emailservice`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d5a9ea810ea69545dc46adeda45c23d5ecf6d445ded4f98b7816f8b1b80cb5d6"`
[INFO] running `"docker" "rm" "-f" "d5a9ea810ea69545dc46adeda45c23d5ecf6d445ded4f98b7816f8b1b80cb5d6"`
[INFO] [stdout] d5a9ea810ea69545dc46adeda45c23d5ecf6d445ded4f98b7816f8b1b80cb5d6