[INFO] updating cached repository gabrielgatu/mozzie
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/gabrielgatu/mozzie
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/gabrielgatu/mozzie" "work/ex/beta-1.38-1/sources/1.37.0/gh/gabrielgatu/mozzie"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/gabrielgatu/mozzie'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gabrielgatu/mozzie" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gabrielgatu/mozzie"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gabrielgatu/mozzie'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] af938615925b04c08d84cddf66dd76f0a8b8ad1b
[INFO] sha for GitHub repo gabrielgatu/mozzie: af938615925b04c08d84cddf66dd76f0a8b8ad1b
[INFO] validating manifest of gabrielgatu/mozzie 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 gabrielgatu/mozzie 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 gabrielgatu/mozzie
[INFO] finished frobbing gabrielgatu/mozzie
[INFO] frobbed toml for gabrielgatu/mozzie written to work/ex/beta-1.38-1/sources/1.37.0/gh/gabrielgatu/mozzie/Cargo.toml
[INFO] started frobbing gabrielgatu/mozzie
[INFO] finished frobbing gabrielgatu/mozzie
[INFO] frobbed toml for gabrielgatu/mozzie written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/gabrielgatu/mozzie/Cargo.toml
[INFO] crate gabrielgatu/mozzie 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 gabrielgatu/mozzie 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/gabrielgatu/mozzie:/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] 4a14b6807e64c69db44dfef3b586b73b222342bab705a7d78af40eed6a9695e9
[INFO] running `"docker" "start" "-a" "4a14b6807e64c69db44dfef3b586b73b222342bab705a7d78af40eed6a9695e9"`
[INFO] [stderr]    Compiling md5 v0.3.6
[INFO] [stderr]    Compiling serde_json v1.0.7
[INFO] [stderr]    Compiling block-buffer v0.2.0
[INFO] [stderr]    Compiling sha2 v0.6.0
[INFO] [stderr]    Compiling postgres-protocol v0.3.1
[INFO] [stderr]    Compiling postgres-shared v0.4.0
[INFO] [stderr]    Compiling postgres v0.15.1
[INFO] [stderr]    Compiling core v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(conservative_impl_trait)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/dispatcher/dispatch.rs:26:66
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn get_service_for_intent<'a>(intent: &Intent) -> Option<&'a Box<Service>> {
[INFO] [stderr]    |                                                                  ^^^^^^^ help: use `dyn`: `dyn Service`
[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/context/mod.rs:10:35
[INFO] [stderr]    |
[INFO] [stderr] 10 |   history_stack: HistoryStack<Box<Service>>,
[INFO] [stderr]    |                                   ^^^^^^^ help: use `dyn`: `dyn Service`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/context/mod.rs:11:21
[INFO] [stderr]    |
[INFO] [stderr] 11 |   services: Vec<Box<Service>>,
[INFO] [stderr]    |                     ^^^^^^^ help: use `dyn`: `dyn Service`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/context/mod.rs:26:45
[INFO] [stderr]    |
[INFO] [stderr] 26 |   pub fn history_stack<'a>() -> &'a Vec<Box<Service>> {
[INFO] [stderr]    |                                             ^^^^^^^ help: use `dyn`: `dyn Service`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/context/mod.rs:32:40
[INFO] [stderr]    |
[INFO] [stderr] 32 |   pub fn services<'a>() -> &'a Vec<Box<Service>> {
[INFO] [stderr]    |                                        ^^^^^^^ help: use `dyn`: `dyn Service`
[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 `core`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4a14b6807e64c69db44dfef3b586b73b222342bab705a7d78af40eed6a9695e9"`
[INFO] running `"docker" "rm" "-f" "4a14b6807e64c69db44dfef3b586b73b222342bab705a7d78af40eed6a9695e9"`
[INFO] [stdout] 4a14b6807e64c69db44dfef3b586b73b222342bab705a7d78af40eed6a9695e9