[INFO] fetching crate mpid_messaging 0.1.0...
[INFO] testing mpid_messaging-0.1.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate mpid_messaging 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate mpid_messaging 0.1.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mpid_messaging 0.1.0
[INFO] finished tweaking crates.io crate mpid_messaging 0.1.0
[INFO] tweaked toml for crates.io crate mpid_messaging 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quick-error v0.2.2
[INFO] [stderr]   Downloaded libsodium-sys v0.0.16
[INFO] [stderr]   Downloaded byteorder v0.3.13
[INFO] [stderr]   Downloaded sodiumoxide v0.0.16
[INFO] [stderr]   Downloaded xor_name v0.0.5
[INFO] [stderr]   Downloaded cbor v0.3.16
[INFO] [stderr]   Downloaded maidsafe_utilities v0.2.1
[INFO] [stderr]   Downloaded maidsafe_utilities v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61770fbe6f6c4b2bf70783248016eccc74d6af091b54025b1f58521e33f43dac
[INFO] running `Command { std: "docker" "start" "-a" "61770fbe6f6c4b2bf70783248016eccc74d6af091b54025b1f58521e33f43dac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61770fbe6f6c4b2bf70783248016eccc74d6af091b54025b1f58521e33f43dac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61770fbe6f6c4b2bf70783248016eccc74d6af091b54025b1f58521e33f43dac", kill_on_drop: false }`
[INFO] [stdout] 61770fbe6f6c4b2bf70783248016eccc74d6af091b54025b1f58521e33f43dac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1e917823f58bd24c5ae81518c14b4d5b3d114f9dd9358a3f37bd83a7a374872
[INFO] running `Command { std: "docker" "start" "-a" "c1e917823f58bd24c5ae81518c14b4d5b3d114f9dd9358a3f37bd83a7a374872", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling pkg-config v0.3.28
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling byteorder v0.3.13
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling quick-error v0.2.2
[INFO] [stderr]    Compiling libsodium-sys v0.0.16
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling cbor v0.3.16
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling maidsafe_utilities v0.2.1
[INFO] [stderr]    Compiling maidsafe_utilities v0.1.5
[INFO] [stderr]    Compiling xor_name v0.0.5
[INFO] [stderr]    Compiling sodiumoxide v0.0.16
[INFO] [stderr]    Compiling mpid_messaging v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `exceeding_bitshifts` has been renamed to `arithmetic_overflow`
[INFO] [stdout]   --> src/lib.rs:29:22
[INFO] [stdout]    |
[INFO] [stdout] 29 | #![forbid(bad_style, exceeding_bitshifts, mutable_transmutes, no_mangle_const_items,
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^ help: use the new name: `arithmetic_overflow`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `drop_with_repr_extern` has been removed: drop flags have been removed
[INFO] [stdout]   --> src/lib.rs:31:21
[INFO] [stdout]    |
[INFO] [stdout] 31 | #![deny(deprecated, drop_with_repr_extern, improper_ctypes, missing_docs,
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:30:32
[INFO] [stdout]    |
[INFO] [stdout] 30 |           unknown_crate_types, warnings)]
[INFO] [stdout]    |                                ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `plugin_as_library` has been removed: plugins have been deprecated and retired
[INFO] [stdout]   --> src/lib.rs:32:61
[INFO] [stdout]    |
[INFO] [stdout] 32 |         non_shorthand_field_patterns, overflowing_literals, plugin_as_library,
[INFO] [stdout]    |                                                             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `private_no_mangle_fns` has been removed: no longer a warning, `#[no_mangle]` functions always exported
[INFO] [stdout]   --> src/lib.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         private_no_mangle_fns, private_no_mangle_statics, stable_features,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `private_no_mangle_statics` has been removed: no longer a warning, `#[no_mangle]` statics always exported
[INFO] [stdout]   --> src/lib.rs:33:32
[INFO] [stdout]    |
[INFO] [stdout] 33 |         private_no_mangle_fns, private_no_mangle_statics, stable_features,
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `fat_ptr_transmutes` has been removed: was accidentally removed back in 2014
[INFO] [stdout]   --> src/lib.rs:38:24
[INFO] [stdout]    |
[INFO] [stdout] 38 | #![allow(box_pointers, fat_ptr_transmutes, missing_copy_implementations,
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused extern crate
[INFO] [stdout]   --> src/lib.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | extern crate rustc_serialize;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove it
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_extern_crates)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/mpid_header.rs:36:38
[INFO] [stdout]    |
[INFO] [stdout] 36 | #[derive(PartialEq, Eq, Hash, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 | #![deny(deprecated, drop_with_repr_extern, improper_ctypes, missing_docs,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/mpid_header.rs:36:54
[INFO] [stdout]    |
[INFO] [stdout] 36 | #[derive(PartialEq, Eq, Hash, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/mpid_header.rs:44:38
[INFO] [stdout]    |
[INFO] [stdout] 44 | #[derive(PartialEq, Eq, Hash, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/mpid_header.rs:44:54
[INFO] [stdout]    |
[INFO] [stdout] 44 | #[derive(PartialEq, Eq, Hash, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/mpid_header.rs:82:23
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let encoded = try!(serialise(&detail));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/mpid_header.rs:112:23
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let encoded = try!(serialise(self));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/mpid_message.rs:29:38
[INFO] [stdout]    |
[INFO] [stdout] 29 | #[derive(PartialEq, Eq, Hash, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/mpid_message.rs:29:54
[INFO] [stdout]    |
[INFO] [stdout] 29 | #[derive(PartialEq, Eq, Hash, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/mpid_message.rs:36:38
[INFO] [stdout]    |
[INFO] [stdout] 36 | #[derive(PartialEq, Eq, Hash, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/mpid_message.rs:36:54
[INFO] [stdout]    |
[INFO] [stdout] 36 | #[derive(PartialEq, Eq, Hash, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/mpid_message.rs:68:22
[INFO] [stdout]    |
[INFO] [stdout] 68 |         let header = try!(MpidHeader::new(sender, metadata, secret_key));
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/mpid_message.rs:75:34
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let recipient_and_body = try!(serialise(&detail));
[INFO] [stdout]    |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/mpid_message_wrapper.rs:26:45
[INFO] [stdout]    |
[INFO] [stdout] 26 | #[derive(PartialEq, Eq, Hash, Clone, Debug, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/mpid_message_wrapper.rs:26:61
[INFO] [stdout]    |
[INFO] [stdout] 26 | #[derive(PartialEq, Eq, Hash, Clone, Debug, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                                                             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/mpid_header.rs:23:23
[INFO] [stdout]    |
[INFO] [stdout] 23 | use std::sync::{Once, ONCE_INIT};
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/mpid_header.rs:33:39
[INFO] [stdout]    |
[INFO] [stdout] 33 | static INITIALISE_SODIUMOXIDE: Once = ONCE_INIT;
[INFO] [stdout]    |                                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]    |
[INFO] [stdout] 33 | static INITIALISE_SODIUMOXIDE: Once = Once::new();
[INFO] [stdout]    |                                       ~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Signature: Decodable` is not satisfied
[INFO] [stdout]   --> src/mpid_header.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | #[derive(PartialEq, Eq, Hash, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                                      -------------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 47 |     signature: Signature,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^ the trait `Decodable` is not implemented for `Signature`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following other types implement trait `Decodable`:
[INFO] [stdout]              bool
[INFO] [stdout]              char
[INFO] [stdout]              isize
[INFO] [stdout]              i8
[INFO] [stdout]              i16
[INFO] [stdout]              i32
[INFO] [stdout]              i64
[INFO] [stdout]              usize
[INFO] [stdout]            and 80 others
[INFO] [stdout]    = note: this error originates in the derive macro `RustcDecodable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Signature: Decodable` is not satisfied
[INFO] [stdout]   --> src/mpid_header.rs:44:38
[INFO] [stdout]    |
[INFO] [stdout] 44 | #[derive(PartialEq, Eq, Hash, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^ the trait `Decodable` is not implemented for `Signature`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following other types implement trait `Decodable`:
[INFO] [stdout]              bool
[INFO] [stdout]              char
[INFO] [stdout]              isize
[INFO] [stdout]              i8
[INFO] [stdout]              i16
[INFO] [stdout]              i32
[INFO] [stdout]              i64
[INFO] [stdout]              usize
[INFO] [stdout]            and 80 others
[INFO] [stdout]    = note: this error originates in the derive macro `RustcDecodable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Signature: Encodable` is not satisfied
[INFO] [stdout]   --> src/mpid_header.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | #[derive(PartialEq, Eq, Hash, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                                                      --------------
[INFO] [stdout]    |                                                      |
[INFO] [stdout]    |                                                      required by a bound introduced by this call
[INFO] [stdout]    |                                                      in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 47 |     signature: Signature,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^ the trait `Encodable` is not implemented for `Signature`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following other types implement trait `Encodable`:
[INFO] [stdout]              bool
[INFO] [stdout]              char
[INFO] [stdout]              isize
[INFO] [stdout]              i8
[INFO] [stdout]              i16
[INFO] [stdout]              i32
[INFO] [stdout]              i64
[INFO] [stdout]              usize
[INFO] [stdout]            and 87 others
[INFO] [stdout]    = note: required for `&Signature` to implement `Encodable`
[INFO] [stdout]    = note: this error originates in the derive macro `RustcEncodable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Signature: Decodable` is not satisfied
[INFO] [stdout]   --> src/mpid_message.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | #[derive(PartialEq, Eq, Hash, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                                      -------------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 40 |     signature: Signature,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^ the trait `Decodable` is not implemented for `Signature`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following other types implement trait `Decodable`:
[INFO] [stdout]              bool
[INFO] [stdout]              char
[INFO] [stdout]              isize
[INFO] [stdout]              i8
[INFO] [stdout]              i16
[INFO] [stdout]              i32
[INFO] [stdout]              i64
[INFO] [stdout]              usize
[INFO] [stdout]            and 80 others
[INFO] [stdout]    = note: this error originates in the derive macro `RustcDecodable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Signature: Decodable` is not satisfied
[INFO] [stdout]   --> src/mpid_message.rs:36:38
[INFO] [stdout]    |
[INFO] [stdout] 36 | #[derive(PartialEq, Eq, Hash, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^ the trait `Decodable` is not implemented for `Signature`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following other types implement trait `Decodable`:
[INFO] [stdout]              bool
[INFO] [stdout]              char
[INFO] [stdout]              isize
[INFO] [stdout]              i8
[INFO] [stdout]              i16
[INFO] [stdout]              i32
[INFO] [stdout]              i64
[INFO] [stdout]              usize
[INFO] [stdout]            and 80 others
[INFO] [stdout]    = note: this error originates in the derive macro `RustcDecodable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Signature: Encodable` is not satisfied
[INFO] [stdout]   --> src/mpid_message.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | #[derive(PartialEq, Eq, Hash, Clone, RustcDecodable, RustcEncodable)]
[INFO] [stdout]    |                                                      --------------
[INFO] [stdout]    |                                                      |
[INFO] [stdout]    |                                                      required by a bound introduced by this call
[INFO] [stdout]    |                                                      in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 40 |     signature: Signature,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^ the trait `Encodable` is not implemented for `Signature`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following other types implement trait `Encodable`:
[INFO] [stdout]              bool
[INFO] [stdout]              char
[INFO] [stdout]              isize
[INFO] [stdout]              i8
[INFO] [stdout]              i16
[INFO] [stdout]              i32
[INFO] [stdout]              i64
[INFO] [stdout]              usize
[INFO] [stdout]            and 87 others
[INFO] [stdout]    = note: required for `&Signature` to implement `Encodable`
[INFO] [stdout]    = note: this error originates in the derive macro `RustcEncodable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mpid_messaging` (lib) due to 7 previous errors; 23 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "c1e917823f58bd24c5ae81518c14b4d5b3d114f9dd9358a3f37bd83a7a374872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1e917823f58bd24c5ae81518c14b4d5b3d114f9dd9358a3f37bd83a7a374872", kill_on_drop: false }`
[INFO] [stdout] c1e917823f58bd24c5ae81518c14b4d5b3d114f9dd9358a3f37bd83a7a374872
