[INFO] fetching crate data_chain 0.1.1...
[INFO] checking data_chain-0.1.1 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate data_chain 0.1.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate data_chain 0.1.1 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate data_chain 0.1.1
[INFO] finished tweaking crates.io crate data_chain 0.1.1
[INFO] tweaked toml for crates.io crate data_chain 0.1.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--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 libsodium-sys v0.0.16
[INFO] [stderr]   Downloaded maidsafe_utilities v0.5.4
[INFO] [stderr]   Downloaded sodiumoxide v0.0.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e445337a4f07396c36662de589921c9aabc9dcd7a6a6067a3570fa9cc33f9ba5
[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" "e445337a4f07396c36662de589921c9aabc9dcd7a6a6067a3570fa9cc33f9ba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e445337a4f07396c36662de589921c9aabc9dcd7a6a6067a3570fa9cc33f9ba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e445337a4f07396c36662de589921c9aabc9dcd7a6a6067a3570fa9cc33f9ba5", kill_on_drop: false }`
[INFO] [stdout] e445337a4f07396c36662de589921c9aabc9dcd7a6a6067a3570fa9cc33f9ba5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2faf50f9d823ec68f8aba214a12eedd82281301b74f51a7cfc73510de05e472
[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" "e2faf50f9d823ec68f8aba214a12eedd82281301b74f51a7cfc73510de05e472", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling winapi-build v0.1.1
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[INFO] [stderr]     Checking cfg-if v0.1.10
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[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling pkg-config v0.3.18
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[INFO] [stderr]    Compiling serde v1.0.116
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[INFO] [stderr]    Compiling kernel32-sys v0.2.2
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[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling libsodium-sys v0.0.16
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[INFO] [stderr]     Checking data_chain v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `exceeding_bitshifts` has been renamed to `arithmetic_overflow`
[INFO] [stdout]    --> src/lib.rs:221:22
[INFO] [stdout]     |
[INFO] [stdout] 221 | #![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] error: lint `drop_with_repr_extern` has been removed: `drop flags have been removed`
[INFO] [stdout]    --> src/lib.rs:223:21
[INFO] [stdout]     |
[INFO] [stdout] 223 | #![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:222:32
[INFO] [stdout]     |
[INFO] [stdout] 222 |           unknown_crate_types, warnings)]
[INFO] [stdout]     |                                ^^^^^^^^
[INFO] [stdout]     = note: `#[forbid(renamed_and_removed_lints)]` implied by `#[forbid(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: lint `plugin_as_library` has been removed: `plugins have been deprecated and retired`
[INFO] [stdout]    --> src/lib.rs:224:61
[INFO] [stdout]     |
[INFO] [stdout] 224 |         non_shorthand_field_patterns, overflowing_literals, plugin_as_library,
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: lint `private_no_mangle_fns` has been removed: `no longer a warning, `#[no_mangle]` functions always exported`
[INFO] [stdout]    --> src/lib.rs:225:9
[INFO] [stdout]     |
[INFO] [stdout] 225 |         private_no_mangle_fns, private_no_mangle_statics, stable_features, unconditional_recursion,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: lint `private_no_mangle_statics` has been removed: `no longer a warning, `#[no_mangle]` statics always exported`
[INFO] [stdout]    --> src/lib.rs:225:32
[INFO] [stdout]     |
[INFO] [stdout] 225 |         private_no_mangle_fns, private_no_mangle_statics, stable_features, unconditional_recursion,
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: lint `fat_ptr_transmutes` has been removed: `was accidentally removed back in 2014`
[INFO] [stdout]    --> src/lib.rs:230:24
[INFO] [stdout]     |
[INFO] [stdout] 230 | #![allow(box_pointers, fat_ptr_transmutes, missing_copy_implementations,
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `exceeding_bitshifts` has been renamed to `arithmetic_overflow`
[INFO] [stdout]    --> src/lib.rs:221:22
[INFO] [stdout]     |
[INFO] [stdout] 221 | #![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] error: lint `drop_with_repr_extern` has been removed: `drop flags have been removed`
[INFO] [stdout]    --> src/lib.rs:223:21
[INFO] [stdout]     |
[INFO] [stdout] 223 | #![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:222:32
[INFO] [stdout]     |
[INFO] [stdout] 222 |           unknown_crate_types, warnings)]
[INFO] [stdout]     |                                ^^^^^^^^
[INFO] [stdout]     = note: `#[forbid(renamed_and_removed_lints)]` implied by `#[forbid(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: lint `plugin_as_library` has been removed: `plugins have been deprecated and retired`
[INFO] [stdout]    --> src/lib.rs:224:61
[INFO] [stdout]     |
[INFO] [stdout] 224 |         non_shorthand_field_patterns, overflowing_literals, plugin_as_library,
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: lint `private_no_mangle_fns` has been removed: `no longer a warning, `#[no_mangle]` functions always exported`
[INFO] [stdout]    --> src/lib.rs:225:9
[INFO] [stdout]     |
[INFO] [stdout] 225 |         private_no_mangle_fns, private_no_mangle_statics, stable_features, unconditional_recursion,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: lint `private_no_mangle_statics` has been removed: `no longer a warning, `#[no_mangle]` statics always exported`
[INFO] [stdout]    --> src/lib.rs:225:32
[INFO] [stdout]     |
[INFO] [stdout] 225 |         private_no_mangle_fns, private_no_mangle_statics, stable_features, unconditional_recursion,
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: lint `fat_ptr_transmutes` has been removed: `was accidentally removed back in 2014`
[INFO] [stdout]    --> src/lib.rs:230:24
[INFO] [stdout]     |
[INFO] [stdout] 230 | #![allow(box_pointers, fat_ptr_transmutes, missing_copy_implementations,
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/node_block.rs:90:42
[INFO] [stdout]     |
[INFO] [stdout] 90  |             crypto::sign::sign_detached(&try!(serialisation::serialise(&data_identifier))[..],
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:223:9
[INFO] [stdout]     |
[INFO] [stdout] 223 | #![deny(deprecated, drop_with_repr_extern, improper_ctypes, missing_docs,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused `#[macro_use]` import
[INFO] [stdout]    --> src/lib.rs:241:1
[INFO] [stdout]     |
[INFO] [stdout] 241 | #[macro_use]
[INFO] [stdout]     | ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:226:37
[INFO] [stdout]     |
[INFO] [stdout] 226 |         unknown_lints, unsafe_code, unused, unused_allocation, unused_attributes,
[INFO] [stdout]     |                                     ^^^^^^
[INFO] [stdout]     = note: `#[deny(unused_imports)]` implied by `#[deny(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/data_chain.rs:285:42
[INFO] [stdout]     |
[INFO] [stdout] 285 |         self.chain.iter_mut().rev().find((|x| x.identifier().is_link() && x.valid))
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:227:46
[INFO] [stdout]     |
[INFO] [stdout] 227 |         unused_comparisons, unused_features, unused_parens, while_true)]
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/node_block.rs:90:42
[INFO] [stdout]     |
[INFO] [stdout] 90  |             crypto::sign::sign_detached(&try!(serialisation::serialise(&data_identifier))[..],
[INFO] [stdout]     |                                          ^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:223:9
[INFO] [stdout]     |
[INFO] [stdout] 223 | #![deny(deprecated, drop_with_repr_extern, improper_ctypes, missing_docs,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused `#[macro_use]` import
[INFO] [stdout]    --> src/lib.rs:241:1
[INFO] [stdout]     |
[INFO] [stdout] 241 | #[macro_use]
[INFO] [stdout]     | ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:226:37
[INFO] [stdout]     |
[INFO] [stdout] 226 |         unknown_lints, unsafe_code, unused, unused_allocation, unused_attributes,
[INFO] [stdout]     |                                     ^^^^^^
[INFO] [stdout]     = note: `#[deny(unused_imports)]` implied by `#[deny(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/data_chain.rs:285:42
[INFO] [stdout]     |
[INFO] [stdout] 285 |         self.chain.iter_mut().rev().find((|x| x.identifier().is_link() && x.valid))
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:227:46
[INFO] [stdout]     |
[INFO] [stdout] 227 |         unused_comparisons, unused_features, unused_parens, while_true)]
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:63:50
[INFO] [stdout]    |
[INFO] [stdout] 63 |             Error::Serialisation(ref err) => err.description(),
[INFO] [stdout]    |                                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `sodiumoxide::crypto::sign::PublicKey: Encodable` is not satisfied
[INFO] [stdout]    --> src/block.rs:38:17
[INFO] [stdout]     |
[INFO] [stdout] 38  | #[derive(Debug, RustcEncodable, RustcDecodable, PartialEq, Clone)]
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ the trait `Encodable` is not implemented for `sodiumoxide::crypto::sign::PublicKey`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.24/src/serialize.rs:853:15
[INFO] [stdout]     |
[INFO] [stdout] 853 |     fn encode<S: Encoder>(&self, s: &mut S) -> Result<(), S::Error>;
[INFO] [stdout]     |               - required by this bound in `rustc_serialize::Encodable::encode`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required because of the requirements on the impl of `Encodable` for `(sodiumoxide::crypto::sign::PublicKey, Signature)`
[INFO] [stdout]     = note: required because of the requirements on the impl of `Encodable` for `Vec<(sodiumoxide::crypto::sign::PublicKey, Signature)>`
[INFO] [stdout]     = note: this error originates in a derive macro (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/block.rs:38:17
[INFO] [stdout]     |
[INFO] [stdout] 38  | #[derive(Debug, RustcEncodable, RustcDecodable, PartialEq, Clone)]
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ the trait `Encodable` is not implemented for `Signature`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.24/src/serialize.rs:853:15
[INFO] [stdout]     |
[INFO] [stdout] 853 |     fn encode<S: Encoder>(&self, s: &mut S) -> Result<(), S::Error>;
[INFO] [stdout]     |               - required by this bound in `rustc_serialize::Encodable::encode`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required because of the requirements on the impl of `Encodable` for `(sodiumoxide::crypto::sign::PublicKey, Signature)`
[INFO] [stdout]     = note: required because of the requirements on the impl of `Encodable` for `Vec<(sodiumoxide::crypto::sign::PublicKey, Signature)>`
[INFO] [stdout]     = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `sodiumoxide::crypto::sign::PublicKey: Decodable` is not satisfied
[INFO] [stdout]    --> src/block.rs:41:5
[INFO] [stdout]     |
[INFO] [stdout] 41  |     proof: Vec<(PublicKey, Signature)>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Decodable` is not implemented for `sodiumoxide::crypto::sign::PublicKey`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.24/src/serialize.rs:902:1
[INFO] [stdout]     |
[INFO] [stdout] 902 | pub trait Decodable: Sized {
[INFO] [stdout]     | -------------------------- required by this bound in `Decodable`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required because of the requirements on the impl of `Decodable` for `(sodiumoxide::crypto::sign::PublicKey, Signature)`
[INFO] [stdout]     = note: required because of the requirements on the impl of `Decodable` for `Vec<(sodiumoxide::crypto::sign::PublicKey, Signature)>`
[INFO] [stdout]     = note: this error originates in a derive macro (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/block.rs:41:5
[INFO] [stdout]     |
[INFO] [stdout] 41  |     proof: Vec<(PublicKey, Signature)>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Decodable` is not implemented for `Signature`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.24/src/serialize.rs:902:1
[INFO] [stdout]     |
[INFO] [stdout] 902 | pub trait Decodable: Sized {
[INFO] [stdout]     | -------------------------- required by this bound in `Decodable`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required because of the requirements on the impl of `Decodable` for `(sodiumoxide::crypto::sign::PublicKey, Signature)`
[INFO] [stdout]     = note: required because of the requirements on the impl of `Decodable` for `Vec<(sodiumoxide::crypto::sign::PublicKey, Signature)>`
[INFO] [stdout]     = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `sodiumoxide::crypto::sign::PublicKey: Decodable` is not satisfied
[INFO] [stdout]    --> src/block.rs:38:33
[INFO] [stdout]     |
[INFO] [stdout] 38  | #[derive(Debug, RustcEncodable, RustcDecodable, PartialEq, Clone)]
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^ the trait `Decodable` is not implemented for `sodiumoxide::crypto::sign::PublicKey`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.24/src/serialize.rs:904:18
[INFO] [stdout]     |
[INFO] [stdout] 904 |     fn decode<D: Decoder>(d: &mut D) -> Result<Self, D::Error>;
[INFO] [stdout]     |                  ------- required by this bound in `rustc_serialize::Decodable::decode`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required because of the requirements on the impl of `Decodable` for `(sodiumoxide::crypto::sign::PublicKey, Signature)`
[INFO] [stdout]     = note: required because of the requirements on the impl of `Decodable` for `Vec<(sodiumoxide::crypto::sign::PublicKey, Signature)>`
[INFO] [stdout]     = note: this error originates in a derive macro (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/block.rs:38:33
[INFO] [stdout]     |
[INFO] [stdout] 38  | #[derive(Debug, RustcEncodable, RustcDecodable, PartialEq, Clone)]
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^ the trait `Decodable` is not implemented for `Signature`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.24/src/serialize.rs:904:18
[INFO] [stdout]     |
[INFO] [stdout] 904 |     fn decode<D: Decoder>(d: &mut D) -> Result<Self, D::Error>;
[INFO] [stdout]     |                  ------- required by this bound in `rustc_serialize::Decodable::decode`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required because of the requirements on the impl of `Decodable` for `(sodiumoxide::crypto::sign::PublicKey, Signature)`
[INFO] [stdout]     = note: required because of the requirements on the impl of `Decodable` for `Vec<(sodiumoxide::crypto::sign::PublicKey, Signature)>`
[INFO] [stdout]     = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:63:50
[INFO] [stdout]    |
[INFO] [stdout] 63 |             Error::Serialisation(ref err) => err.description(),
[INFO] [stdout]    |                                                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `sodiumoxide::crypto::sign::PublicKey: Encodable` is not satisfied
[INFO] [stdout]    --> src/node_block.rs:47:10
[INFO] [stdout]     |
[INFO] [stdout] 47  | #[derive(RustcEncodable, RustcDecodable, PartialEq, Debug, Clone)]
[INFO] [stdout]     |          ^^^^^^^^^^^^^^ the trait `Encodable` is not implemented for `sodiumoxide::crypto::sign::PublicKey`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.24/src/serialize.rs:853:15
[INFO] [stdout]     |
[INFO] [stdout] 853 |     fn encode<S: Encoder>(&self, s: &mut S) -> Result<(), S::Error>;
[INFO] [stdout]     |               - required by this bound in `rustc_serialize::Encodable::encode`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a derive macro (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/node_block.rs:47:10
[INFO] [stdout]     |
[INFO] [stdout] 47  | #[derive(RustcEncodable, RustcDecodable, PartialEq, Debug, Clone)]
[INFO] [stdout]     |          ^^^^^^^^^^^^^^ the trait `Encodable` is not implemented for `Signature`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.24/src/serialize.rs:853:15
[INFO] [stdout]     |
[INFO] [stdout] 853 |     fn encode<S: Encoder>(&self, s: &mut S) -> Result<(), S::Error>;
[INFO] [stdout]     |               - required by this bound in `rustc_serialize::Encodable::encode`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `sodiumoxide::crypto::sign::PublicKey: Decodable` is not satisfied
[INFO] [stdout]    --> src/node_block.rs:49:5
[INFO] [stdout]     |
[INFO] [stdout] 49  |     key: PublicKey,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^ the trait `Decodable` is not implemented for `sodiumoxide::crypto::sign::PublicKey`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.24/src/serialize.rs:902:1
[INFO] [stdout]     |
[INFO] [stdout] 902 | pub trait Decodable: Sized {
[INFO] [stdout]     | -------------------------- required by this bound in `Decodable`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `sodiumoxide::crypto::sign::PublicKey: Decodable` is not satisfied
[INFO] [stdout]    --> src/node_block.rs:47:26
[INFO] [stdout]     |
[INFO] [stdout] 47  | #[derive(RustcEncodable, RustcDecodable, PartialEq, Debug, Clone)]
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^ the trait `Decodable` is not implemented for `sodiumoxide::crypto::sign::PublicKey`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.24/src/serialize.rs:904:18
[INFO] [stdout]     |
[INFO] [stdout] 904 |     fn decode<D: Decoder>(d: &mut D) -> Result<Self, D::Error>;
[INFO] [stdout]     |                  ------- required by this bound in `rustc_serialize::Decodable::decode`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a derive macro (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/node_block.rs:50:5
[INFO] [stdout]     |
[INFO] [stdout] 50  |     sig: Signature,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^ the trait `Decodable` is not implemented for `Signature`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.24/src/serialize.rs:902:1
[INFO] [stdout]     |
[INFO] [stdout] 902 | pub trait Decodable: Sized {
[INFO] [stdout]     | -------------------------- required by this bound in `Decodable`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a derive macro (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/node_block.rs:47:26
[INFO] [stdout]     |
[INFO] [stdout] 47  | #[derive(RustcEncodable, RustcDecodable, PartialEq, Debug, Clone)]
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^ the trait `Decodable` is not implemented for `Signature`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.24/src/serialize.rs:904:18
[INFO] [stdout]     |
[INFO] [stdout] 904 |     fn decode<D: Decoder>(d: &mut D) -> Result<Self, D::Error>;
[INFO] [stdout]     |                  ------- required by this bound in `rustc_serialize::Decodable::decode`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `sodiumoxide::crypto::hash::sha256::Digest: Encodable` is not satisfied
[INFO] [stdout]    --> src/block_identifier.rs:38:10
[INFO] [stdout]     |
[INFO] [stdout] 38  | #[derive(RustcEncodable, RustcDecodable, PartialEq, Debug, Clone)]
[INFO] [stdout]     |          ^^^^^^^^^^^^^^ the trait `Encodable` is not implemented for `sodiumoxide::crypto::hash::sha256::Digest`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.24/src/serialize.rs:853:15
[INFO] [stdout]     |
[INFO] [stdout] 853 |     fn encode<S: Encoder>(&self, s: &mut S) -> Result<(), S::Error>;
[INFO] [stdout]     |               - required by this bound in `rustc_serialize::Encodable::encode`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `sodiumoxide::crypto::hash::sha256::Digest: Decodable` is not satisfied
[INFO] [stdout]    --> src/block_identifier.rs:41:19
[INFO] [stdout]     |
[INFO] [stdout] 41  |     ImmutableData(Digest),
[INFO] [stdout]     |                   ^^^^^^ the trait `Decodable` is not implemented for `sodiumoxide::crypto::hash::sha256::Digest`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.24/src/serialize.rs:902:1
[INFO] [stdout]     |
[INFO] [stdout] 902 | pub trait Decodable: Sized {
[INFO] [stdout]     | -------------------------- required by this bound in `Decodable`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `sodiumoxide::crypto::hash::sha256::Digest: Decodable` is not satisfied
[INFO] [stdout]    --> src/block_identifier.rs:38:26
[INFO] [stdout]     |
[INFO] [stdout] 38  | #[derive(RustcEncodable, RustcDecodable, PartialEq, Debug, Clone)]
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^ the trait `Decodable` is not implemented for `sodiumoxide::crypto::hash::sha256::Digest`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.24/src/serialize.rs:904:18
[INFO] [stdout]     |
[INFO] [stdout] 904 |     fn decode<D: Decoder>(d: &mut D) -> Result<Self, D::Error>;
[INFO] [stdout]     |                  ------- required by this bound in `rustc_serialize::Decodable::decode`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `sodiumoxide::crypto::hash::sha256::Digest: Decodable` is not satisfied
[INFO] [stdout]    --> src/block_identifier.rs:43:20
[INFO] [stdout]     |
[INFO] [stdout] 43  |     StructuredData(Digest, SdName),
[INFO] [stdout]     |                    ^^^^^^ the trait `Decodable` is not implemented for `sodiumoxide::crypto::hash::sha256::Digest`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.24/src/serialize.rs:902:1
[INFO] [stdout]     |
[INFO] [stdout] 902 | pub trait Decodable: Sized {
[INFO] [stdout]     | -------------------------- required by this bound in `Decodable`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `sodiumoxide::crypto::hash::sha256::Digest: Decodable` is not satisfied
[INFO] [stdout]    --> src/block_identifier.rs:43:28
[INFO] [stdout]     |
[INFO] [stdout] 43  |     StructuredData(Digest, SdName),
[INFO] [stdout]     |                            ^^^^^^ the trait `Decodable` is not implemented for `sodiumoxide::crypto::hash::sha256::Digest`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.24/src/serialize.rs:902:1
[INFO] [stdout]     |
[INFO] [stdout] 902 | pub trait Decodable: Sized {
[INFO] [stdout]     | -------------------------- required by this bound in `Decodable`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused extern crate
[INFO] [stdout]    --> src/lib.rs:240:1
[INFO] [stdout]     |
[INFO] [stdout] 240 | extern crate rustc_serialize;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove it
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:222:32
[INFO] [stdout]     |
[INFO] [stdout] 222 |           unknown_crate_types, warnings)]
[INFO] [stdout]     |                                ^^^^^^^^
[INFO] [stdout]     = note: `#[forbid(unused_extern_crates)]` implied by `#[forbid(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 27 previous errors; 1 warning 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 `data_chain`
[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[E0277]: the trait bound `sodiumoxide::crypto::sign::PublicKey: Encodable` is not satisfied
[INFO] [stdout]    --> src/block.rs:38:17
[INFO] [stdout]     |
[INFO] [stdout] 38  | #[derive(Debug, RustcEncodable, RustcDecodable, PartialEq, Clone)]
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ the trait `Encodable` is not implemented for `sodiumoxide::crypto::sign::PublicKey`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.24/src/serialize.rs:853:15
[INFO] [stdout]     |
[INFO] [stdout] 853 |     fn encode<S: Encoder>(&self, s: &mut S) -> Result<(), S::Error>;
[INFO] [stdout]     |               - required by this bound in `rustc_serialize::Encodable::encode`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required because of the requirements on the impl of `Encodable` for `(sodiumoxide::crypto::sign::PublicKey, Signature)`
[INFO] [stdout]     = note: required because of the requirements on the impl of `Encodable` for `Vec<(sodiumoxide::crypto::sign::PublicKey, Signature)>`
[INFO] [stdout]     = note: this error originates in a derive macro (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/block.rs:38:17
[INFO] [stdout]     |
[INFO] [stdout] 38  | #[derive(Debug, RustcEncodable, RustcDecodable, PartialEq, Clone)]
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ the trait `Encodable` is not implemented for `Signature`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.24/src/serialize.rs:853:15
[INFO] [stdout]     |
[INFO] [stdout] 853 |     fn encode<S: Encoder>(&self, s: &mut S) -> Result<(), S::Error>;
[INFO] [stdout]     |               - required by this bound in `rustc_serialize::Encodable::encode`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required because of the requirements on the impl of `Encodable` for `(sodiumoxide::crypto::sign::PublicKey, Signature)`
[INFO] [stdout]     = note: required because of the requirements on the impl of `Encodable` for `Vec<(sodiumoxide::crypto::sign::PublicKey, Signature)>`
[INFO] [stdout]     = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `sodiumoxide::crypto::sign::PublicKey: Decodable` is not satisfied
[INFO] [stdout]    --> src/block.rs:41:5
[INFO] [stdout]     |
[INFO] [stdout] 41  |     proof: Vec<(PublicKey, Signature)>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Decodable` is not implemented for `sodiumoxide::crypto::sign::PublicKey`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.24/src/serialize.rs:902:1
[INFO] [stdout]     |
[INFO] [stdout] 902 | pub trait Decodable: Sized {
[INFO] [stdout]     | -------------------------- required by this bound in `Decodable`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required because of the requirements on the impl of `Decodable` for `(sodiumoxide::crypto::sign::PublicKey, Signature)`
[INFO] [stdout]     = note: required because of the requirements on the impl of `Decodable` for `Vec<(sodiumoxide::crypto::sign::PublicKey, Signature)>`
[INFO] [stdout]     = note: this error originates in a derive macro (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/block.rs:41:5
[INFO] [stdout]     |
[INFO] [stdout] 41  |     proof: Vec<(PublicKey, Signature)>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Decodable` is not implemented for `Signature`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.24/src/serialize.rs:902:1
[INFO] [stdout]     |
[INFO] [stdout] 902 | pub trait Decodable: Sized {
[INFO] [stdout]     | -------------------------- required by this bound in `Decodable`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required because of the requirements on the impl of `Decodable` for `(sodiumoxide::crypto::sign::PublicKey, Signature)`
[INFO] [stdout]     = note: required because of the requirements on the impl of `Decodable` for `Vec<(sodiumoxide::crypto::sign::PublicKey, Signature)>`
[INFO] [stdout]     = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `sodiumoxide::crypto::sign::PublicKey: Decodable` is not satisfied
[INFO] [stdout]    --> src/block.rs:38:33
[INFO] [stdout]     |
[INFO] [stdout] 38  | #[derive(Debug, RustcEncodable, RustcDecodable, PartialEq, Clone)]
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^ the trait `Decodable` is not implemented for `sodiumoxide::crypto::sign::PublicKey`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.24/src/serialize.rs:904:18
[INFO] [stdout]     |
[INFO] [stdout] 904 |     fn decode<D: Decoder>(d: &mut D) -> Result<Self, D::Error>;
[INFO] [stdout]     |                  ------- required by this bound in `rustc_serialize::Decodable::decode`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required because of the requirements on the impl of `Decodable` for `(sodiumoxide::crypto::sign::PublicKey, Signature)`
[INFO] [stdout]     = note: required because of the requirements on the impl of `Decodable` for `Vec<(sodiumoxide::crypto::sign::PublicKey, Signature)>`
[INFO] [stdout]     = note: this error originates in a derive macro (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/block.rs:38:33
[INFO] [stdout]     |
[INFO] [stdout] 38  | #[derive(Debug, RustcEncodable, RustcDecodable, PartialEq, Clone)]
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^ the trait `Decodable` is not implemented for `Signature`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.24/src/serialize.rs:904:18
[INFO] [stdout]     |
[INFO] [stdout] 904 |     fn decode<D: Decoder>(d: &mut D) -> Result<Self, D::Error>;
[INFO] [stdout]     |                  ------- required by this bound in `rustc_serialize::Decodable::decode`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required because of the requirements on the impl of `Decodable` for `(sodiumoxide::crypto::sign::PublicKey, Signature)`
[INFO] [stdout]     = note: required because of the requirements on the impl of `Decodable` for `Vec<(sodiumoxide::crypto::sign::PublicKey, Signature)>`
[INFO] [stdout]     = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `sodiumoxide::crypto::sign::PublicKey: Encodable` is not satisfied
[INFO] [stdout]    --> src/node_block.rs:47:10
[INFO] [stdout]     |
[INFO] [stdout] 47  | #[derive(RustcEncodable, RustcDecodable, PartialEq, Debug, Clone)]
[INFO] [stdout]     |          ^^^^^^^^^^^^^^ the trait `Encodable` is not implemented for `sodiumoxide::crypto::sign::PublicKey`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.24/src/serialize.rs:853:15
[INFO] [stdout]     |
[INFO] [stdout] 853 |     fn encode<S: Encoder>(&self, s: &mut S) -> Result<(), S::Error>;
[INFO] [stdout]     |               - required by this bound in `rustc_serialize::Encodable::encode`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a derive macro (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/node_block.rs:47:10
[INFO] [stdout]     |
[INFO] [stdout] 47  | #[derive(RustcEncodable, RustcDecodable, PartialEq, Debug, Clone)]
[INFO] [stdout]     |          ^^^^^^^^^^^^^^ the trait `Encodable` is not implemented for `Signature`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.24/src/serialize.rs:853:15
[INFO] [stdout]     |
[INFO] [stdout] 853 |     fn encode<S: Encoder>(&self, s: &mut S) -> Result<(), S::Error>;
[INFO] [stdout]     |               - required by this bound in `rustc_serialize::Encodable::encode`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `sodiumoxide::crypto::sign::PublicKey: Decodable` is not satisfied
[INFO] [stdout]    --> src/node_block.rs:49:5
[INFO] [stdout]     |
[INFO] [stdout] 49  |     key: PublicKey,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^ the trait `Decodable` is not implemented for `sodiumoxide::crypto::sign::PublicKey`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.24/src/serialize.rs:902:1
[INFO] [stdout]     |
[INFO] [stdout] 902 | pub trait Decodable: Sized {
[INFO] [stdout]     | -------------------------- required by this bound in `Decodable`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `sodiumoxide::crypto::sign::PublicKey: Decodable` is not satisfied
[INFO] [stdout]    --> src/node_block.rs:47:26
[INFO] [stdout]     |
[INFO] [stdout] 47  | #[derive(RustcEncodable, RustcDecodable, PartialEq, Debug, Clone)]
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^ the trait `Decodable` is not implemented for `sodiumoxide::crypto::sign::PublicKey`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.24/src/serialize.rs:904:18
[INFO] [stdout]     |
[INFO] [stdout] 904 |     fn decode<D: Decoder>(d: &mut D) -> Result<Self, D::Error>;
[INFO] [stdout]     |                  ------- required by this bound in `rustc_serialize::Decodable::decode`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a derive macro (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/node_block.rs:50:5
[INFO] [stdout]     |
[INFO] [stdout] 50  |     sig: Signature,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^ the trait `Decodable` is not implemented for `Signature`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.24/src/serialize.rs:902:1
[INFO] [stdout]     |
[INFO] [stdout] 902 | pub trait Decodable: Sized {
[INFO] [stdout]     | -------------------------- required by this bound in `Decodable`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a derive macro (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/node_block.rs:47:26
[INFO] [stdout]     |
[INFO] [stdout] 47  | #[derive(RustcEncodable, RustcDecodable, PartialEq, Debug, Clone)]
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^ the trait `Decodable` is not implemented for `Signature`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.24/src/serialize.rs:904:18
[INFO] [stdout]     |
[INFO] [stdout] 904 |     fn decode<D: Decoder>(d: &mut D) -> Result<Self, D::Error>;
[INFO] [stdout]     |                  ------- required by this bound in `rustc_serialize::Decodable::decode`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `sodiumoxide::crypto::hash::sha256::Digest: Encodable` is not satisfied
[INFO] [stdout]    --> src/block_identifier.rs:38:10
[INFO] [stdout]     |
[INFO] [stdout] 38  | #[derive(RustcEncodable, RustcDecodable, PartialEq, Debug, Clone)]
[INFO] [stdout]     |          ^^^^^^^^^^^^^^ the trait `Encodable` is not implemented for `sodiumoxide::crypto::hash::sha256::Digest`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.24/src/serialize.rs:853:15
[INFO] [stdout]     |
[INFO] [stdout] 853 |     fn encode<S: Encoder>(&self, s: &mut S) -> Result<(), S::Error>;
[INFO] [stdout]     |               - required by this bound in `rustc_serialize::Encodable::encode`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `sodiumoxide::crypto::hash::sha256::Digest: Decodable` is not satisfied
[INFO] [stdout]    --> src/block_identifier.rs:41:19
[INFO] [stdout]     |
[INFO] [stdout] 41  |     ImmutableData(Digest),
[INFO] [stdout]     |                   ^^^^^^ the trait `Decodable` is not implemented for `sodiumoxide::crypto::hash::sha256::Digest`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.24/src/serialize.rs:902:1
[INFO] [stdout]     |
[INFO] [stdout] 902 | pub trait Decodable: Sized {
[INFO] [stdout]     | -------------------------- required by this bound in `Decodable`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `sodiumoxide::crypto::hash::sha256::Digest: Decodable` is not satisfied
[INFO] [stdout]    --> src/block_identifier.rs:38:26
[INFO] [stdout]     |
[INFO] [stdout] 38  | #[derive(RustcEncodable, RustcDecodable, PartialEq, Debug, Clone)]
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^ the trait `Decodable` is not implemented for `sodiumoxide::crypto::hash::sha256::Digest`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.24/src/serialize.rs:904:18
[INFO] [stdout]     |
[INFO] [stdout] 904 |     fn decode<D: Decoder>(d: &mut D) -> Result<Self, D::Error>;
[INFO] [stdout]     |                  ------- required by this bound in `rustc_serialize::Decodable::decode`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `sodiumoxide::crypto::hash::sha256::Digest: Decodable` is not satisfied
[INFO] [stdout]    --> src/block_identifier.rs:43:20
[INFO] [stdout]     |
[INFO] [stdout] 43  |     StructuredData(Digest, SdName),
[INFO] [stdout]     |                    ^^^^^^ the trait `Decodable` is not implemented for `sodiumoxide::crypto::hash::sha256::Digest`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.24/src/serialize.rs:902:1
[INFO] [stdout]     |
[INFO] [stdout] 902 | pub trait Decodable: Sized {
[INFO] [stdout]     | -------------------------- required by this bound in `Decodable`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `sodiumoxide::crypto::hash::sha256::Digest: Decodable` is not satisfied
[INFO] [stdout]    --> src/block_identifier.rs:43:28
[INFO] [stdout]     |
[INFO] [stdout] 43  |     StructuredData(Digest, SdName),
[INFO] [stdout]     |                            ^^^^^^ the trait `Decodable` is not implemented for `sodiumoxide::crypto::hash::sha256::Digest`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.24/src/serialize.rs:902:1
[INFO] [stdout]     |
[INFO] [stdout] 902 | pub trait Decodable: Sized {
[INFO] [stdout]     | -------------------------- required by this bound in `Decodable`
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused extern crate
[INFO] [stdout]    --> src/lib.rs:240:1
[INFO] [stdout]     |
[INFO] [stdout] 240 | extern crate rustc_serialize;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove it
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:222:32
[INFO] [stdout]     |
[INFO] [stdout] 222 |           unknown_crate_types, warnings)]
[INFO] [stdout]     |                                ^^^^^^^^
[INFO] [stdout]     = note: `#[forbid(unused_extern_crates)]` implied by `#[forbid(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 27 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e2faf50f9d823ec68f8aba214a12eedd82281301b74f51a7cfc73510de05e472", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2faf50f9d823ec68f8aba214a12eedd82281301b74f51a7cfc73510de05e472", kill_on_drop: false }`
[INFO] [stdout] e2faf50f9d823ec68f8aba214a12eedd82281301b74f51a7cfc73510de05e472