[INFO] cloning repository https://github.com/ckolek/FIXEngine-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ckolek/FIXEngine-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fckolek%2FFIXEngine-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fckolek%2FFIXEngine-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9dd83c9a96e832824db68e5182369d4db3b52c47
[INFO] checking ckolek/FIXEngine-rs against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fckolek%2FFIXEngine-rs" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ckolek/FIXEngine-rs on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ckolek/FIXEngine-rs
[INFO] finished tweaking git repo https://github.com/ckolek/FIXEngine-rs
[INFO] tweaked toml for git repo https://github.com/ckolek/FIXEngine-rs written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/ckolek/FIXEngine-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b6137f696f58bace559e8698b19beb04a8ec064143ee13bff5bfab33cec467e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8b6137f696f58bace559e8698b19beb04a8ec064143ee13bff5bfab33cec467e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b6137f696f58bace559e8698b19beb04a8ec064143ee13bff5bfab33cec467e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b6137f696f58bace559e8698b19beb04a8ec064143ee13bff5bfab33cec467e", kill_on_drop: false }`
[INFO] [stdout] 8b6137f696f58bace559e8698b19beb04a8ec064143ee13bff5bfab33cec467e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 246531cfdf16a2f6d980c553f8cb8dc1e0f0c734f8386981f17001366e6f8e97
[INFO] running `Command { std: "docker" "start" "-a" "246531cfdf16a2f6d980c553f8cb8dc1e0f0c734f8386981f17001366e6f8e97", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking fix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/engine/mod.rs:7:66
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn on_receive(&mut self, session_id : &SessionId, message : &FIXMessage);
[INFO] [stdout]   |                                                                  ^^^^^^^^^^ help: use `dyn`: `dyn FIXMessage`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/engine/mod.rs:8:63
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn on_send(&mut self, session_id : &SessionId, message : &FIXMessage);
[INFO] [stdout]   |                                                               ^^^^^^^^^^ help: use `dyn`: `dyn FIXMessage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/engine/mod.rs:12:41
[INFO] [stdout]    |
[INFO] [stdout] 12 |     message_listeners : Vec<Box<&'a mut MessageListener>>
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageListener`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fields/mod.rs:30:62
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn get_tag_value(&self, tag_num : u32) -> Result<Option<&Any>, ()>;
[INFO] [stdout]    |                                                              ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fields/mod.rs:31:80
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn get_tag_value_at(&self, tag_num : u32, index : usize) -> Result<Option<&Any>, ()>;
[INFO] [stdout]    |                                                                                ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/messages/mod.rs:9:29
[INFO] [stdout]   |
[INFO] [stdout] 9 |     field_values  : Vec<Box<Any>>,
[INFO] [stdout]   |                             ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/messages/mod.rs:31:62
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn get_tag_value(&self, tag_num : u32) -> Result<Option<&Any>, ()> {
[INFO] [stdout]    |                                                              ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/messages/mod.rs:35:80
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn get_tag_value_at(&self, tag_num : u32, index : usize) -> Result<Option<&Any>, ()> {
[INFO] [stdout]    |                                                                                ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/messages/mod.rs:45:29
[INFO] [stdout]    |
[INFO] [stdout] 45 |     field_values  : Vec<Box<Any>>,
[INFO] [stdout]    |                             ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: maybe a missing crate `fix`?
[INFO] [stdout]   --> src/messages/mod.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |     use fix::fields::{FIXMessageField, StringField};
[INFO] [stdout]    |         ^^^ maybe a missing crate `fix`?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `StringField` in this scope
[INFO] [stdout]   --> src/messages/mod.rs:85:22
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let field1 : StringField = StringField(1, "Field1");
[INFO] [stdout]    |                      ^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 78 |     use fields::StringField;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `StringField` in this scope
[INFO] [stdout]   --> src/messages/mod.rs:85:36
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let field1 : StringField = StringField(1, "Field1");
[INFO] [stdout]    |                                    ^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this tuple struct
[INFO] [stdout]    |
[INFO] [stdout] 78 |     use fields::StringField;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `StringField` in this scope
[INFO] [stdout]   --> src/messages/mod.rs:86:22
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let field2 : StringField = StringField(2, "Field2");
[INFO] [stdout]    |                      ^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 78 |     use fields::StringField;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `StringField` in this scope
[INFO] [stdout]   --> src/messages/mod.rs:86:36
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let field2 : StringField = StringField(2, "Field2");
[INFO] [stdout]    |                                    ^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this tuple struct
[INFO] [stdout]    |
[INFO] [stdout] 78 |     use fields::StringField;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `StringField` in this scope
[INFO] [stdout]   --> src/messages/mod.rs:87:22
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let field3 : StringField = StringField(3, "Field3");
[INFO] [stdout]    |                      ^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 78 |     use fields::StringField;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `StringField` in this scope
[INFO] [stdout]   --> src/messages/mod.rs:87:36
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let field3 : StringField = StringField(3, "Field3");
[INFO] [stdout]    |                                    ^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this tuple struct
[INFO] [stdout]    |
[INFO] [stdout] 78 |     use fields::StringField;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `FIXMessageField` in this scope
[INFO] [stdout]    --> src/messages/mod.rs:113:89
[INFO] [stdout]     |
[INFO] [stdout] 6   | pub trait FIXMessage : FIXMessageFields {}
[INFO] [stdout]     | --------------------------------------- similarly named trait `FIXMessage` defined here
[INFO] [stdout] ...
[INFO] [stdout] 113 |     fn assert_field_value<M : FIXMessage, T : Any + std::fmt::Debug + std::cmp::Eq, F : FIXMessageField<T>>(message : &M, field : &F, exp...
[INFO] [stdout]     |                                                                                         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn assert_field_value<M : FIXMessage, T : Any + std::fmt::Debug + std::cmp::Eq, F : FIXMessage<T>>(message : &M, field : &F, expected : T) {
[INFO] [stdout]     |                                                                                         ^^^^^^^^^^
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]     |
[INFO] [stdout] 78  |     use messages::FIXMessageField;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `FIXMessageField` in this scope
[INFO] [stdout]    --> src/messages/mod.rs:117:92
[INFO] [stdout]     |
[INFO] [stdout] 6   | pub trait FIXMessage : FIXMessageFields {}
[INFO] [stdout]     | --------------------------------------- similarly named trait `FIXMessage` defined here
[INFO] [stdout] ...
[INFO] [stdout] 117 |     fn assert_field_value_at<M : FIXMessage, T : Any + std::fmt::Debug + std::cmp::Eq, F : FIXMessageField<T>>(message : &M, field : &F, ...
[INFO] [stdout]     |                                                                                            ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn assert_field_value_at<M : FIXMessage, T : Any + std::fmt::Debug + std::cmp::Eq, F : FIXMessage<T>>(message : &M, field : &F, index : usize, expected : T) {
[INFO] [stdout]     |                                                                                            ^^^^^^^^^^
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]     |
[INFO] [stdout] 78  |     use messages::FIXMessageField;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/engine/mod.rs:7:66
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn on_receive(&mut self, session_id : &SessionId, message : &FIXMessage);
[INFO] [stdout]   |                                                                  ^^^^^^^^^^ help: use `dyn`: `dyn FIXMessage`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/engine/mod.rs:8:63
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn on_send(&mut self, session_id : &SessionId, message : &FIXMessage);
[INFO] [stdout]   |                                                               ^^^^^^^^^^ help: use `dyn`: `dyn FIXMessage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/engine/mod.rs:12:41
[INFO] [stdout]    |
[INFO] [stdout] 12 |     message_listeners : Vec<Box<&'a mut MessageListener>>
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageListener`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fields/mod.rs:30:62
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn get_tag_value(&self, tag_num : u32) -> Result<Option<&Any>, ()>;
[INFO] [stdout]    |                                                              ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fields/mod.rs:31:80
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn get_tag_value_at(&self, tag_num : u32, index : usize) -> Result<Option<&Any>, ()>;
[INFO] [stdout]    |                                                                                ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/messages/mod.rs:9:29
[INFO] [stdout]   |
[INFO] [stdout] 9 |     field_values  : Vec<Box<Any>>,
[INFO] [stdout]   |                             ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/messages/mod.rs:31:62
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn get_tag_value(&self, tag_num : u32) -> Result<Option<&Any>, ()> {
[INFO] [stdout]    |                                                              ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/messages/mod.rs:35:80
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn get_tag_value_at(&self, tag_num : u32, index : usize) -> Result<Option<&Any>, ()> {
[INFO] [stdout]    |                                                                                ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/messages/mod.rs:45:29
[INFO] [stdout]    |
[INFO] [stdout] 45 |     field_values  : Vec<Box<Any>>,
[INFO] [stdout]    |                             ^^^ help: use `dyn`: `dyn Any`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors; 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0412, E0425, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fix`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0038]: the trait `FIXMessage` cannot be made into an object
[INFO] [stdout]   --> src/engine/mod.rs:7:65
[INFO] [stdout]    |
[INFO] [stdout] 7  |     fn on_receive(&mut self, session_id : &SessionId, message : &FIXMessage);
[INFO] [stdout]    |                                                                 ^^^^^^^^^^^ the trait `FIXMessage` cannot be made into an object
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/fields/mod.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn get_value<T : Any, F : FIXMessageField<T>>(&self, field : &F) -> Result<Option<&T>, ()>;
[INFO] [stdout]    |        --------- ...because method `get_value` has generic type parameters
[INFO] [stdout] 28 |     fn get_value_at<T : Any, F : FIXMessageField<T>>(&self, field : &F, index : usize) -> Result<Option<&T>, ()>;
[INFO] [stdout]    |        ------------ ...because method `get_value_at` has generic type parameters
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/messages/mod.rs:6:11
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub trait FIXMessage : FIXMessageFields {}
[INFO] [stdout]    |           ---------- this trait cannot be made into an object...
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider moving `get_value` to another trait
[INFO] [stdout]    = help: consider moving `get_value_at` to another trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0038]: the trait `FIXMessage` cannot be made into an object
[INFO] [stdout]   --> src/engine/mod.rs:8:62
[INFO] [stdout]    |
[INFO] [stdout] 8  |     fn on_send(&mut self, session_id : &SessionId, message : &FIXMessage);
[INFO] [stdout]    |                                                              ^^^^^^^^^^^ the trait `FIXMessage` cannot be made into an object
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/fields/mod.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn get_value<T : Any, F : FIXMessageField<T>>(&self, field : &F) -> Result<Option<&T>, ()>;
[INFO] [stdout]    |        --------- ...because method `get_value` has generic type parameters
[INFO] [stdout] 28 |     fn get_value_at<T : Any, F : FIXMessageField<T>>(&self, field : &F, index : usize) -> Result<Option<&T>, ()>;
[INFO] [stdout]    |        ------------ ...because method `get_value_at` has generic type parameters
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/messages/mod.rs:6:11
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub trait FIXMessage : FIXMessageFields {}
[INFO] [stdout]    |           ---------- this trait cannot be made into an object...
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider moving `get_value` to another trait
[INFO] [stdout]    = help: consider moving `get_value_at` to another trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0038`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "246531cfdf16a2f6d980c553f8cb8dc1e0f0c734f8386981f17001366e6f8e97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "246531cfdf16a2f6d980c553f8cb8dc1e0f0c734f8386981f17001366e6f8e97", kill_on_drop: false }`
[INFO] [stdout] 246531cfdf16a2f6d980c553f8cb8dc1e0f0c734f8386981f17001366e6f8e97
