Sep 14 12:29:11.811 INFO checking nt-0.2.4 against try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0 for pr-53578-1
Sep 14 12:29:11.811 INFO running: cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets
Sep 14 12:29:11.811 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-53578-1/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-4/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 12:29:12.108 INFO blam! b02acf0235b5bd12f59a841d8af6b6ce2423d851d7e3b37f7049b41ab3d4483b
Sep 14 12:29:12.112 INFO running `"docker" "start" "-a" "b02acf0235b5bd12f59a841d8af6b6ce2423d851d7e3b37f7049b41ab3d4483b"`
Sep 14 12:29:13.282 INFO kablam! usermod: no changes
Sep 14 12:29:13.511 INFO kablam!     Checking fern v0.5.6
Sep 14 12:29:13.511 INFO kablam!     Checking nt-leb128 v0.2.4
Sep 14 12:29:13.511 INFO kablam!     Checking multimap v0.4.0
Sep 14 12:29:13.512 INFO kablam!    Compiling derive-new v0.5.5
Sep 14 12:29:14.684 INFO kablam!     Checking nt-packet v0.1.2
Sep 14 12:29:16.295 INFO kablam!    Compiling nt-packet-derive v0.1.4
Sep 14 12:29:19.669 INFO kablam!     Checking nt v0.2.4 (file:///source)
Sep 14 12:29:20.969 INFO kablam! error[E0053]: method `decode` has an incompatible type for trait
Sep 14 12:29:20.969 INFO kablam!   --> src/proto/types/rpc.rs:30:5
Sep 14 12:29:20.969 INFO kablam!    |
Sep 14 12:29:20.969 INFO kablam! 30 |     fn decode(buf: &mut Buf) -> (Option<Self>, usize) {
Sep 14 12:29:20.969 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `std::result::Result`, found tuple
Sep 14 12:29:20.969 INFO kablam!    |
Sep 14 12:29:20.969 INFO kablam!    = note: expected type `fn(&mut dyn bytes::Buf) -> std::result::Result<(proto::types::rpc::Parameter, usize), failure::Error>`
Sep 14 12:29:20.969 INFO kablam!               found type `fn(&mut dyn bytes::Buf) -> (std::option::Option<proto::types::rpc::Parameter>, usize)`
Sep 14 12:29:20.969 INFO kablam! 
Sep 14 12:29:20.969 INFO kablam! error[E0053]: method `decode` has an incompatible type for trait
Sep 14 12:29:20.969 INFO kablam!   --> src/proto/types/rpc.rs:56:5
Sep 14 12:29:20.969 INFO kablam!    |
Sep 14 12:29:20.969 INFO kablam! 56 |     fn decode(mut buf: &mut Buf) -> (Option<Self>, usize) {
Sep 14 12:29:20.969 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `std::result::Result`, found tuple
Sep 14 12:29:20.969 INFO kablam!    |
Sep 14 12:29:20.969 INFO kablam!    = note: expected type `fn(&mut dyn bytes::Buf) -> std::result::Result<(proto::types::rpc::RPCDefinitionData, usize), failure::Error>`
Sep 14 12:29:20.969 INFO kablam!               found type `fn(&mut dyn bytes::Buf) -> (std::option::Option<proto::types::rpc::RPCDefinitionData>, usize)`
Sep 14 12:29:20.969 INFO kablam! 
Sep 14 12:29:20.969 INFO kablam! error[E0053]: method `decode` has an incompatible type for trait
Sep 14 12:29:20.969 INFO kablam!    --> src/proto/types/mod.rs:103:5
Sep 14 12:29:20.970 INFO kablam!     |
Sep 14 12:29:20.970 INFO kablam! 103 |     fn decode(buf: &mut Buf) -> (Option<Self>, usize) {
Sep 14 12:29:20.970 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `std::result::Result`, found tuple
Sep 14 12:29:20.970 INFO kablam!     |
Sep 14 12:29:20.970 INFO kablam!     = note: expected type `fn(&mut dyn bytes::Buf) -> std::result::Result<(proto::types::EntryType, usize), failure::Error>`
Sep 14 12:29:20.970 INFO kablam!                found type `fn(&mut dyn bytes::Buf) -> (std::option::Option<proto::types::EntryType>, usize)`
Sep 14 12:29:20.970 INFO kablam! 
Sep 14 12:29:20.970 INFO kablam! error[E0053]: method `decode` has an incompatible type for trait
Sep 14 12:29:20.970 INFO kablam!    --> src/proto/mod.rs:142:5
Sep 14 12:29:20.970 INFO kablam!     |
Sep 14 12:29:20.970 INFO kablam! 142 |     fn decode(buf: &mut Buf) -> (Option<Self>, usize) {
Sep 14 12:29:20.970 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `std::result::Result`, found tuple
Sep 14 12:29:20.970 INFO kablam!     |
Sep 14 12:29:20.970 INFO kablam!     = note: expected type `fn(&mut dyn bytes::Buf) -> std::result::Result<(proto::EntryUpdate, usize), failure::Error>`
Sep 14 12:29:20.970 INFO kablam!                found type `fn(&mut dyn bytes::Buf) -> (std::option::Option<proto::EntryUpdate>, usize)`
Sep 14 12:29:20.970 INFO kablam! 
Sep 14 12:29:20.970 INFO kablam! error[E0053]: method `decode` has an incompatible type for trait
Sep 14 12:29:20.970 INFO kablam!    --> src/proto/mod.rs:190:5
Sep 14 12:29:20.970 INFO kablam!     |
Sep 14 12:29:20.970 INFO kablam! 190 |     fn decode(buf: &mut Buf) -> (Option<Self>, usize) {
Sep 14 12:29:20.970 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `std::result::Result`, found tuple
Sep 14 12:29:20.970 INFO kablam!     |
Sep 14 12:29:20.970 INFO kablam!     = note: expected type `fn(&mut dyn bytes::Buf) -> std::result::Result<(proto::EntryAssignment, usize), failure::Error>`
Sep 14 12:29:20.970 INFO kablam!                found type `fn(&mut dyn bytes::Buf) -> (std::option::Option<proto::EntryAssignment>, usize)`
Sep 14 12:29:20.970 INFO kablam! 
Sep 14 12:29:21.002 INFO kablam! error: aborting due to 5 previous errors
Sep 14 12:29:21.002 INFO kablam! 
Sep 14 12:29:21.002 INFO kablam! For more information about this error, try `rustc --explain E0053`.
Sep 14 12:29:21.010 INFO kablam! error: Could not compile `nt`.
Sep 14 12:29:21.010 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 14 12:29:21.215 INFO kablam! error[E0053]: method `decode` has an incompatible type for trait
Sep 14 12:29:21.215 INFO kablam!   --> src/proto/types/rpc.rs:30:5
Sep 14 12:29:21.215 INFO kablam!    |
Sep 14 12:29:21.215 INFO kablam! 30 |     fn decode(buf: &mut Buf) -> (Option<Self>, usize) {
Sep 14 12:29:21.215 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `std::result::Result`, found tuple
Sep 14 12:29:21.215 INFO kablam!    |
Sep 14 12:29:21.215 INFO kablam!    = note: expected type `fn(&mut dyn bytes::Buf) -> std::result::Result<(proto::types::rpc::Parameter, usize), failure::Error>`
Sep 14 12:29:21.215 INFO kablam!               found type `fn(&mut dyn bytes::Buf) -> (std::option::Option<proto::types::rpc::Parameter>, usize)`
Sep 14 12:29:21.215 INFO kablam! 
Sep 14 12:29:21.215 INFO kablam! error[E0053]: method `decode` has an incompatible type for trait
Sep 14 12:29:21.215 INFO kablam!   --> src/proto/types/rpc.rs:56:5
Sep 14 12:29:21.215 INFO kablam!    |
Sep 14 12:29:21.215 INFO kablam! 56 |     fn decode(mut buf: &mut Buf) -> (Option<Self>, usize) {
Sep 14 12:29:21.215 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `std::result::Result`, found tuple
Sep 14 12:29:21.215 INFO kablam!    |
Sep 14 12:29:21.215 INFO kablam!    = note: expected type `fn(&mut dyn bytes::Buf) -> std::result::Result<(proto::types::rpc::RPCDefinitionData, usize), failure::Error>`
Sep 14 12:29:21.215 INFO kablam!               found type `fn(&mut dyn bytes::Buf) -> (std::option::Option<proto::types::rpc::RPCDefinitionData>, usize)`
Sep 14 12:29:21.215 INFO kablam! 
Sep 14 12:29:21.215 INFO kablam! error[E0053]: method `decode` has an incompatible type for trait
Sep 14 12:29:21.215 INFO kablam!    --> src/proto/types/mod.rs:103:5
Sep 14 12:29:21.215 INFO kablam!     |
Sep 14 12:29:21.215 INFO kablam! 103 |     fn decode(buf: &mut Buf) -> (Option<Self>, usize) {
Sep 14 12:29:21.215 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `std::result::Result`, found tuple
Sep 14 12:29:21.215 INFO kablam!     |
Sep 14 12:29:21.215 INFO kablam!     = note: expected type `fn(&mut dyn bytes::Buf) -> std::result::Result<(proto::types::EntryType, usize), failure::Error>`
Sep 14 12:29:21.215 INFO kablam!                found type `fn(&mut dyn bytes::Buf) -> (std::option::Option<proto::types::EntryType>, usize)`
Sep 14 12:29:21.215 INFO kablam! 
Sep 14 12:29:21.215 INFO kablam! error[E0053]: method `decode` has an incompatible type for trait
Sep 14 12:29:21.215 INFO kablam!    --> src/proto/mod.rs:142:5
Sep 14 12:29:21.215 INFO kablam!     |
Sep 14 12:29:21.215 INFO kablam! 142 |     fn decode(buf: &mut Buf) -> (Option<Self>, usize) {
Sep 14 12:29:21.215 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `std::result::Result`, found tuple
Sep 14 12:29:21.215 INFO kablam!     |
Sep 14 12:29:21.215 INFO kablam!     = note: expected type `fn(&mut dyn bytes::Buf) -> std::result::Result<(proto::EntryUpdate, usize), failure::Error>`
Sep 14 12:29:21.215 INFO kablam!                found type `fn(&mut dyn bytes::Buf) -> (std::option::Option<proto::EntryUpdate>, usize)`
Sep 14 12:29:21.216 INFO kablam! 
Sep 14 12:29:21.216 INFO kablam! error[E0053]: method `decode` has an incompatible type for trait
Sep 14 12:29:21.216 INFO kablam!    --> src/proto/mod.rs:190:5
Sep 14 12:29:21.216 INFO kablam!     |
Sep 14 12:29:21.216 INFO kablam! 190 |     fn decode(buf: &mut Buf) -> (Option<Self>, usize) {
Sep 14 12:29:21.216 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `std::result::Result`, found tuple
Sep 14 12:29:21.216 INFO kablam!     |
Sep 14 12:29:21.216 INFO kablam!     = note: expected type `fn(&mut dyn bytes::Buf) -> std::result::Result<(proto::EntryAssignment, usize), failure::Error>`
Sep 14 12:29:21.216 INFO kablam!                found type `fn(&mut dyn bytes::Buf) -> (std::option::Option<proto::EntryAssignment>, usize)`
Sep 14 12:29:21.216 INFO kablam! 
Sep 14 12:29:21.262 INFO kablam! error: aborting due to 5 previous errors
Sep 14 12:29:21.262 INFO kablam! 
Sep 14 12:29:21.262 INFO kablam! For more information about this error, try `rustc --explain E0053`.
Sep 14 12:29:21.281 INFO kablam! error: Could not compile `nt`.
Sep 14 12:29:21.281 INFO kablam! 
Sep 14 12:29:21.281 INFO kablam! To learn more, run the command again with --verbose.
Sep 14 12:29:21.282 INFO kablam! su: No module specific data is present
Sep 14 12:29:21.985 INFO running `"docker" "rm" "-f" "b02acf0235b5bd12f59a841d8af6b6ce2423d851d7e3b37f7049b41ab3d4483b"`
Sep 14 12:29:22.061 INFO blam! b02acf0235b5bd12f59a841d8af6b6ce2423d851d7e3b37f7049b41ab3d4483b