[INFO] fetching crate udp_netmsg 0.1.8...
[INFO] extracting crate udp_netmsg 0.1.8 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/udp_netmsg/0.1.8
[INFO] extracting crate udp_netmsg 0.1.8 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/udp_netmsg/0.1.8
[INFO] validating manifest of udp_netmsg-0.1.8 on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of udp_netmsg-0.1.8 on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing udp_netmsg-0.1.8
[INFO] finished frobbing udp_netmsg-0.1.8
[INFO] frobbed toml for udp_netmsg-0.1.8 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/udp_netmsg/0.1.8/Cargo.toml
[INFO] started frobbing udp_netmsg-0.1.8
[INFO] finished frobbing udp_netmsg-0.1.8
[INFO] frobbed toml for udp_netmsg-0.1.8 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/udp_netmsg/0.1.8/Cargo.toml
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking udp_netmsg-0.1.8 against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-2/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/udp_netmsg/0.1.8:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e9186d0c8b8db992026748095d95d2748fe27d1f01a665e6a5c61c377e7fc314
[INFO] running `"docker" "start" "-a" "e9186d0c8b8db992026748095d95d2748fe27d1f01a665e6a5c61c377e7fc314"`
[INFO] [stderr]     Checking udp_netmsg v0.1.8 (/opt/crater/workdir)
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::downcast_rs::impl_downcast macros>:45:52
[INFO] [stderr]    |
[INFO] [stderr] 42 | where [ $ ( $ preds : tt ) + ] [ $ ( $ after : tt ) * ] ) => {
[INFO] [stderr]    |                            - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 45 | $ types : :: std :: any :: Any + 'static , ) * $ ( $ preds ) * $ ( $ after ) *
[INFO] [stderr]    |                                                    ^^^^^^^   - conflicting repetition
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(meta_variable_misuse)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::downcast_rs::impl_downcast macros>:58:5
[INFO] [stderr]    |
[INFO] [stderr] 54 | $ trait_ : ident < $ ( $ types : ident ) , * > where $ ( $ preds : tt ) + ) =>
[INFO] [stderr]    |                                                                         - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 58 | $ ( $ preds ) * ] } } ; ( $ trait_ : ident assoc $ ( $ atypes : ident ) , * )
[INFO] [stderr]    |     ^^^^^^^   - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::downcast_rs::impl_downcast macros>:67:34
[INFO] [stderr]    |
[INFO] [stderr] 63 | $ trait_ : ident assoc $ ( $ atypes : ident ) , * where $ ( $ preds : tt ) + )
[INFO] [stderr]    |                                                                            - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 67 | $ ( $ atypes ) , * ] where [ $ ( $ preds ) * ] } } ; (
[INFO] [stderr]    |                                  ^^^^^^^   - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::downcast_rs::impl_downcast macros>:77:56
[INFO] [stderr]    |
[INFO] [stderr] 74 | * where $ ( $ preds : tt ) + ) => {
[INFO] [stderr]    |                            - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 77 | [ $ ( $ types ) , * , $ ( $ atypes ) , * ] where [ $ ( $ preds ) * ] } } ; (
[INFO] [stderr]    |                                                        ^^^^^^^   - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:15:50
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn from_buffer(buffer: Cursor<Vec<u8>>)->Box<Datagram> where Self: Sized;
[INFO] [stderr]    |                                                  ^^^^^^^^ help: use `dyn`: `dyn Datagram`
[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/lib.rs:36:52
[INFO] [stderr]    |
[INFO] [stderr] 36 |     con_map: HashMap<u32, fn(Cursor<Vec<u8>>)->Box<Datagram>>,
[INFO] [stderr]    |                                                    ^^^^^^^^ help: use `dyn`: `dyn Datagram`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:52:60
[INFO] [stderr]    |
[INFO] [stderr] 52 |         let con_map: HashMap<u32, fn(Cursor<Vec<u8>>)->Box<Datagram>> = HashMap::new();
[INFO] [stderr]    |                                                            ^^^^^^^^ help: use `dyn`: `dyn Datagram`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:67:82
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn recv(&mut self, blocking: bool, ignore_payload_len: bool)->Option<Box<Datagram>> {
[INFO] [stderr]    |                                                                                  ^^^^^^^^ help: use `dyn`: `dyn Datagram`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:128:72
[INFO] [stderr]     |
[INFO] [stderr] 128 |     pub fn register(&mut self, key: u32, con: fn(Cursor<Vec<u8>>)->Box<Datagram> ) {
[INFO] [stderr]     |                                                                        ^^^^^^^^ help: use `dyn`: `dyn Datagram`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `udp_netmsg`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::downcast_rs::impl_downcast macros>:45:52
[INFO] [stderr]    |
[INFO] [stderr] 42 | where [ $ ( $ preds : tt ) + ] [ $ ( $ after : tt ) * ] ) => {
[INFO] [stderr]    |                            - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 45 | $ types : :: std :: any :: Any + 'static , ) * $ ( $ preds ) * $ ( $ after ) *
[INFO] [stderr]    |                                                    ^^^^^^^   - conflicting repetition
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(meta_variable_misuse)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::downcast_rs::impl_downcast macros>:58:5
[INFO] [stderr]    |
[INFO] [stderr] 54 | $ trait_ : ident < $ ( $ types : ident ) , * > where $ ( $ preds : tt ) + ) =>
[INFO] [stderr]    |                                                                         - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 58 | $ ( $ preds ) * ] } } ; ( $ trait_ : ident assoc $ ( $ atypes : ident ) , * )
[INFO] [stderr]    |     ^^^^^^^   - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::downcast_rs::impl_downcast macros>:67:34
[INFO] [stderr]    |
[INFO] [stderr] 63 | $ trait_ : ident assoc $ ( $ atypes : ident ) , * where $ ( $ preds : tt ) + )
[INFO] [stderr]    |                                                                            - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 67 | $ ( $ atypes ) , * ] where [ $ ( $ preds ) * ] } } ; (
[INFO] [stderr]    |                                  ^^^^^^^   - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::downcast_rs::impl_downcast macros>:77:56
[INFO] [stderr]    |
[INFO] [stderr] 74 | * where $ ( $ preds : tt ) + ) => {
[INFO] [stderr]    |                            - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 77 | [ $ ( $ types ) , * , $ ( $ atypes ) , * ] where [ $ ( $ preds ) * ] } } ; (
[INFO] [stderr]    |                                                        ^^^^^^^   - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:15:50
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn from_buffer(buffer: Cursor<Vec<u8>>)->Box<Datagram> where Self: Sized;
[INFO] [stderr]    |                                                  ^^^^^^^^ help: use `dyn`: `dyn Datagram`
[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/lib.rs:36:52
[INFO] [stderr]    |
[INFO] [stderr] 36 |     con_map: HashMap<u32, fn(Cursor<Vec<u8>>)->Box<Datagram>>,
[INFO] [stderr]    |                                                    ^^^^^^^^ help: use `dyn`: `dyn Datagram`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:52:60
[INFO] [stderr]    |
[INFO] [stderr] 52 |         let con_map: HashMap<u32, fn(Cursor<Vec<u8>>)->Box<Datagram>> = HashMap::new();
[INFO] [stderr]    |                                                            ^^^^^^^^ help: use `dyn`: `dyn Datagram`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:67:82
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn recv(&mut self, blocking: bool, ignore_payload_len: bool)->Option<Box<Datagram>> {
[INFO] [stderr]    |                                                                                  ^^^^^^^^ help: use `dyn`: `dyn Datagram`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:128:72
[INFO] [stderr]     |
[INFO] [stderr] 128 |     pub fn register(&mut self, key: u32, con: fn(Cursor<Vec<u8>>)->Box<Datagram> ) {
[INFO] [stderr]     |                                                                        ^^^^^^^^ help: use `dyn`: `dyn Datagram`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `udp_netmsg`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "e9186d0c8b8db992026748095d95d2748fe27d1f01a665e6a5c61c377e7fc314"`
[INFO] running `"docker" "rm" "-f" "e9186d0c8b8db992026748095d95d2748fe27d1f01a665e6a5c61c377e7fc314"`
[INFO] [stdout] e9186d0c8b8db992026748095d95d2748fe27d1f01a665e6a5c61c377e7fc314