[INFO] fetching crate muta-protocol 0.1.0-alpha.1...
[INFO] checking muta-protocol-0.1.0-alpha.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate muta-protocol 0.1.0-alpha.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate muta-protocol 0.1.0-alpha.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate muta-protocol 0.1.0-alpha.1
[INFO] finished tweaking crates.io crate muta-protocol 0.1.0-alpha.1
[INFO] tweaked toml for crates.io crate muta-protocol 0.1.0-alpha.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
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[INFO] [stdout] warning: the item `field` is imported redundantly
[INFO] [stdout]   --> src/codec/epoch.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |       field, impl_default_bytes_codec_for,
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/codec/macro.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout] 2  | / macro_rules! field {
[INFO] [stdout] 3  | |     ($opt_field:expr, $type:expr, $field:expr) => {
[INFO] [stdout] 4  | |         $opt_field.ok_or_else(|| crate::codec::CodecError::MissingField {
[INFO] [stdout] 5  | |             r#type: $type,
[INFO] [stdout] ...  |
[INFO] [stdout] 8  | |     };
[INFO] [stdout] 9  | | }
[INFO] [stdout]    | |_- the item `field` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `impl_default_bytes_codec_for` is imported redundantly
[INFO] [stdout]   --> src/codec/epoch.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |       field, impl_default_bytes_codec_for,
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/codec/macro.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / macro_rules! impl_default_bytes_codec_for {
[INFO] [stdout] 13 | |     ($category:ident, [$($type:ident),+]) => (
[INFO] [stdout] 14 | |         use crate::types::$category;
[INFO] [stdout] ...  |
[INFO] [stdout] 34 | |     )
[INFO] [stdout] 35 | | }
[INFO] [stdout]    | |_- the item `impl_default_bytes_codec_for` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Default` is imported redundantly
[INFO] [stdout]  --> src/codec/primitive.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{convert::TryFrom, default::Default, mem};
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Default` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `field` is imported redundantly
[INFO] [stdout]   --> src/codec/primitive.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |       field, impl_default_bytes_codec_for,
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/codec/macro.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout] 2  | / macro_rules! field {
[INFO] [stdout] 3  | |     ($opt_field:expr, $type:expr, $field:expr) => {
[INFO] [stdout] 4  | |         $opt_field.ok_or_else(|| crate::codec::CodecError::MissingField {
[INFO] [stdout] 5  | |             r#type: $type,
[INFO] [stdout] ...  |
[INFO] [stdout] 8  | |     };
[INFO] [stdout] 9  | | }
[INFO] [stdout]    | |_- the item `field` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `impl_default_bytes_codec_for` is imported redundantly
[INFO] [stdout]   --> src/codec/primitive.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |       field, impl_default_bytes_codec_for,
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/codec/macro.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / macro_rules! impl_default_bytes_codec_for {
[INFO] [stdout] 13 | |     ($category:ident, [$($type:ident),+]) => (
[INFO] [stdout] 14 | |         use crate::types::$category;
[INFO] [stdout] ...  |
[INFO] [stdout] 34 | |     )
[INFO] [stdout] 35 | | }
[INFO] [stdout]    | |_- the item `impl_default_bytes_codec_for` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `field` is imported redundantly
[INFO] [stdout]  --> src/codec/receipt.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |       field, impl_default_bytes_codec_for,
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/codec/macro.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | / macro_rules! field {
[INFO] [stdout] 3 | |     ($opt_field:expr, $type:expr, $field:expr) => {
[INFO] [stdout] 4 | |         $opt_field.ok_or_else(|| crate::codec::CodecError::MissingField {
[INFO] [stdout] 5 | |             r#type: $type,
[INFO] [stdout] ... |
[INFO] [stdout] 8 | |     };
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_- the item `field` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `impl_default_bytes_codec_for` is imported redundantly
[INFO] [stdout]   --> src/codec/receipt.rs:8:12
[INFO] [stdout]    |
[INFO] [stdout] 8  |       field, impl_default_bytes_codec_for,
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/codec/macro.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / macro_rules! impl_default_bytes_codec_for {
[INFO] [stdout] 13 | |     ($category:ident, [$($type:ident),+]) => (
[INFO] [stdout] 14 | |         use crate::types::$category;
[INFO] [stdout] ...  |
[INFO] [stdout] 34 | |     )
[INFO] [stdout] 35 | | }
[INFO] [stdout]    | |_- the item `impl_default_bytes_codec_for` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `field` is imported redundantly
[INFO] [stdout]  --> src/codec/transaction.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |       field, impl_default_bytes_codec_for,
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/codec/macro.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | / macro_rules! field {
[INFO] [stdout] 3 | |     ($opt_field:expr, $type:expr, $field:expr) => {
[INFO] [stdout] 4 | |         $opt_field.ok_or_else(|| crate::codec::CodecError::MissingField {
[INFO] [stdout] 5 | |             r#type: $type,
[INFO] [stdout] ... |
[INFO] [stdout] 8 | |     };
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_- the item `field` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `impl_default_bytes_codec_for` is imported redundantly
[INFO] [stdout]   --> src/codec/transaction.rs:8:12
[INFO] [stdout]    |
[INFO] [stdout] 8  |       field, impl_default_bytes_codec_for,
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/codec/macro.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / macro_rules! impl_default_bytes_codec_for {
[INFO] [stdout] 13 | |     ($category:ident, [$($type:ident),+]) => (
[INFO] [stdout] 14 | |         use crate::types::$category;
[INFO] [stdout] ...  |
[INFO] [stdout] 34 | |     )
[INFO] [stdout] 35 | | }
[INFO] [stdout]    | |_- the item `impl_default_bytes_codec_for` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `impl_default_fixed_codec_for` is imported redundantly
[INFO] [stdout]   --> src/fixed_codec/epoch.rs:7:13
[INFO] [stdout]    |
[INFO] [stdout] 7  |   use crate::{impl_default_fixed_codec_for, ProtocolResult};
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/fixed_codec/macro.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout] 2  | / macro_rules! impl_default_fixed_codec_for {
[INFO] [stdout] 3  | |     ($category:ident, [$($type:ident),+]) => (
[INFO] [stdout] 4  | |         use crate::types::$category;
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |     )
[INFO] [stdout] 18 | | }
[INFO] [stdout]    | |_- the item `impl_default_fixed_codec_for` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `impl_default_fixed_codec_for` is imported redundantly
[INFO] [stdout]   --> src/fixed_codec/primitive.rs:8:13
[INFO] [stdout]    |
[INFO] [stdout] 8  |   use crate::{impl_default_fixed_codec_for, ProtocolResult};
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/fixed_codec/macro.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout] 2  | / macro_rules! impl_default_fixed_codec_for {
[INFO] [stdout] 3  | |     ($category:ident, [$($type:ident),+]) => (
[INFO] [stdout] 4  | |         use crate::types::$category;
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |     )
[INFO] [stdout] 18 | | }
[INFO] [stdout]    | |_- the item `impl_default_fixed_codec_for` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `impl_default_fixed_codec_for` is imported redundantly
[INFO] [stdout]   --> src/fixed_codec/receipt.rs:3:13
[INFO] [stdout]    |
[INFO] [stdout] 3  |   use crate::{impl_default_fixed_codec_for, ProtocolResult};
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/fixed_codec/macro.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout] 2  | / macro_rules! impl_default_fixed_codec_for {
[INFO] [stdout] 3  | |     ($category:ident, [$($type:ident),+]) => (
[INFO] [stdout] 4  | |         use crate::types::$category;
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |     )
[INFO] [stdout] 18 | | }
[INFO] [stdout]    | |_- the item `impl_default_fixed_codec_for` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `impl_default_fixed_codec_for` is imported redundantly
[INFO] [stdout]   --> src/fixed_codec/transaction.rs:6:13
[INFO] [stdout]    |
[INFO] [stdout] 6  |   use crate::{impl_default_fixed_codec_for, ProtocolResult};
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/fixed_codec/macro.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout] 2  | / macro_rules! impl_default_fixed_codec_for {
[INFO] [stdout] 3  | |     ($category:ident, [$($type:ident),+]) => (
[INFO] [stdout] 4  | |         use crate::types::$category;
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |     )
[INFO] [stdout] 18 | | }
[INFO] [stdout]    | |_- the item `impl_default_fixed_codec_for` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/traits/binding.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `field` is imported redundantly
[INFO] [stdout]   --> src/codec/epoch.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |       field, impl_default_bytes_codec_for,
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/codec/macro.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout] 2  | / macro_rules! field {
[INFO] [stdout] 3  | |     ($opt_field:expr, $type:expr, $field:expr) => {
[INFO] [stdout] 4  | |         $opt_field.ok_or_else(|| crate::codec::CodecError::MissingField {
[INFO] [stdout] 5  | |             r#type: $type,
[INFO] [stdout] ...  |
[INFO] [stdout] 8  | |     };
[INFO] [stdout] 9  | | }
[INFO] [stdout]    | |_- the item `field` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `impl_default_bytes_codec_for` is imported redundantly
[INFO] [stdout]   --> src/codec/epoch.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |       field, impl_default_bytes_codec_for,
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/codec/macro.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / macro_rules! impl_default_bytes_codec_for {
[INFO] [stdout] 13 | |     ($category:ident, [$($type:ident),+]) => (
[INFO] [stdout] 14 | |         use crate::types::$category;
[INFO] [stdout] ...  |
[INFO] [stdout] 34 | |     )
[INFO] [stdout] 35 | | }
[INFO] [stdout]    | |_- the item `impl_default_bytes_codec_for` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Default` is imported redundantly
[INFO] [stdout]  --> src/codec/primitive.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{convert::TryFrom, default::Default, mem};
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Default` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `field` is imported redundantly
[INFO] [stdout]   --> src/codec/primitive.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |       field, impl_default_bytes_codec_for,
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/codec/macro.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout] 2  | / macro_rules! field {
[INFO] [stdout] 3  | |     ($opt_field:expr, $type:expr, $field:expr) => {
[INFO] [stdout] 4  | |         $opt_field.ok_or_else(|| crate::codec::CodecError::MissingField {
[INFO] [stdout] 5  | |             r#type: $type,
[INFO] [stdout] ...  |
[INFO] [stdout] 8  | |     };
[INFO] [stdout] 9  | | }
[INFO] [stdout]    | |_- the item `field` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `impl_default_bytes_codec_for` is imported redundantly
[INFO] [stdout]   --> src/codec/primitive.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |       field, impl_default_bytes_codec_for,
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/codec/macro.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / macro_rules! impl_default_bytes_codec_for {
[INFO] [stdout] 13 | |     ($category:ident, [$($type:ident),+]) => (
[INFO] [stdout] 14 | |         use crate::types::$category;
[INFO] [stdout] ...  |
[INFO] [stdout] 34 | |     )
[INFO] [stdout] 35 | | }
[INFO] [stdout]    | |_- the item `impl_default_bytes_codec_for` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `field` is imported redundantly
[INFO] [stdout]  --> src/codec/receipt.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |       field, impl_default_bytes_codec_for,
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/codec/macro.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | / macro_rules! field {
[INFO] [stdout] 3 | |     ($opt_field:expr, $type:expr, $field:expr) => {
[INFO] [stdout] 4 | |         $opt_field.ok_or_else(|| crate::codec::CodecError::MissingField {
[INFO] [stdout] 5 | |             r#type: $type,
[INFO] [stdout] ... |
[INFO] [stdout] 8 | |     };
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_- the item `field` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `impl_default_bytes_codec_for` is imported redundantly
[INFO] [stdout]   --> src/codec/receipt.rs:8:12
[INFO] [stdout]    |
[INFO] [stdout] 8  |       field, impl_default_bytes_codec_for,
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/codec/macro.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / macro_rules! impl_default_bytes_codec_for {
[INFO] [stdout] 13 | |     ($category:ident, [$($type:ident),+]) => (
[INFO] [stdout] 14 | |         use crate::types::$category;
[INFO] [stdout] ...  |
[INFO] [stdout] 34 | |     )
[INFO] [stdout] 35 | | }
[INFO] [stdout]    | |_- the item `impl_default_bytes_codec_for` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `field` is imported redundantly
[INFO] [stdout]  --> src/codec/transaction.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |       field, impl_default_bytes_codec_for,
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/codec/macro.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | / macro_rules! field {
[INFO] [stdout] 3 | |     ($opt_field:expr, $type:expr, $field:expr) => {
[INFO] [stdout] 4 | |         $opt_field.ok_or_else(|| crate::codec::CodecError::MissingField {
[INFO] [stdout] 5 | |             r#type: $type,
[INFO] [stdout] ... |
[INFO] [stdout] 8 | |     };
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_- the item `field` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `impl_default_bytes_codec_for` is imported redundantly
[INFO] [stdout]   --> src/codec/transaction.rs:8:12
[INFO] [stdout]    |
[INFO] [stdout] 8  |       field, impl_default_bytes_codec_for,
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/codec/macro.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / macro_rules! impl_default_bytes_codec_for {
[INFO] [stdout] 13 | |     ($category:ident, [$($type:ident),+]) => (
[INFO] [stdout] 14 | |         use crate::types::$category;
[INFO] [stdout] ...  |
[INFO] [stdout] 34 | |     )
[INFO] [stdout] 35 | | }
[INFO] [stdout]    | |_- the item `impl_default_bytes_codec_for` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `impl_default_fixed_codec_for` is imported redundantly
[INFO] [stdout]   --> src/fixed_codec/epoch.rs:7:13
[INFO] [stdout]    |
[INFO] [stdout] 7  |   use crate::{impl_default_fixed_codec_for, ProtocolResult};
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/fixed_codec/macro.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout] 2  | / macro_rules! impl_default_fixed_codec_for {
[INFO] [stdout] 3  | |     ($category:ident, [$($type:ident),+]) => (
[INFO] [stdout] 4  | |         use crate::types::$category;
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |     )
[INFO] [stdout] 18 | | }
[INFO] [stdout]    | |_- the item `impl_default_fixed_codec_for` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `impl_default_fixed_codec_for` is imported redundantly
[INFO] [stdout]   --> src/fixed_codec/primitive.rs:8:13
[INFO] [stdout]    |
[INFO] [stdout] 8  |   use crate::{impl_default_fixed_codec_for, ProtocolResult};
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/fixed_codec/macro.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout] 2  | / macro_rules! impl_default_fixed_codec_for {
[INFO] [stdout] 3  | |     ($category:ident, [$($type:ident),+]) => (
[INFO] [stdout] 4  | |         use crate::types::$category;
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |     )
[INFO] [stdout] 18 | | }
[INFO] [stdout]    | |_- the item `impl_default_fixed_codec_for` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `impl_default_fixed_codec_for` is imported redundantly
[INFO] [stdout]   --> src/fixed_codec/receipt.rs:3:13
[INFO] [stdout]    |
[INFO] [stdout] 3  |   use crate::{impl_default_fixed_codec_for, ProtocolResult};
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/fixed_codec/macro.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout] 2  | / macro_rules! impl_default_fixed_codec_for {
[INFO] [stdout] 3  | |     ($category:ident, [$($type:ident),+]) => (
[INFO] [stdout] 4  | |         use crate::types::$category;
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |     )
[INFO] [stdout] 18 | | }
[INFO] [stdout]    | |_- the item `impl_default_fixed_codec_for` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `impl_default_fixed_codec_for` is imported redundantly
[INFO] [stdout]   --> src/fixed_codec/transaction.rs:6:13
[INFO] [stdout]    |
[INFO] [stdout] 6  |   use crate::{impl_default_fixed_codec_for, ProtocolResult};
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/fixed_codec/macro.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout] 2  | / macro_rules! impl_default_fixed_codec_for {
[INFO] [stdout] 3  | |     ($category:ident, [$($type:ident),+]) => (
[INFO] [stdout] 4  | |         use crate::types::$category;
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |     )
[INFO] [stdout] 18 | | }
[INFO] [stdout]    | |_- the item `impl_default_fixed_codec_for` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/traits/binding.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.46s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: uint v0.4.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "b253b59c6cf79dd629f4fa598eef66fa0e8a4213be22f1efafbfde9f2c55c089", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b253b59c6cf79dd629f4fa598eef66fa0e8a4213be22f1efafbfde9f2c55c089", kill_on_drop: false }`
[INFO] [stdout] b253b59c6cf79dd629f4fa598eef66fa0e8a4213be22f1efafbfde9f2c55c089
[INFO] checking muta-protocol-0.1.0-alpha.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate muta-protocol 0.1.0-alpha.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate muta-protocol 0.1.0-alpha.1 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate muta-protocol 0.1.0-alpha.1
[INFO] finished tweaking crates.io crate muta-protocol 0.1.0-alpha.1
[INFO] tweaked toml for crates.io crate muta-protocol 0.1.0-alpha.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45cb0ed67b23476780cc844e363250a1abf59be43912954660200b95b01224b8
[INFO] running `Command { std: "docker" "start" "-a" "45cb0ed67b23476780cc844e363250a1abf59be43912954660200b95b01224b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45cb0ed67b23476780cc844e363250a1abf59be43912954660200b95b01224b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45cb0ed67b23476780cc844e363250a1abf59be43912954660200b95b01224b8", kill_on_drop: false }`
[INFO] [stdout] 45cb0ed67b23476780cc844e363250a1abf59be43912954660200b95b01224b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20168b58dee31270f1dbb5b4d6cc40004a4dd725e4fce8eb96dd4c6b7b790895
[INFO] running `Command { std: "docker" "start" "-a" "20168b58dee31270f1dbb5b4d6cc40004a4dd725e4fce8eb96dd4c6b7b790895", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]    Compiling crunchy v0.2.2
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[INFO] [stderr]    Compiling regex v1.10.4
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[INFO] [stdout] warning: the item `field` is imported redundantly
[INFO] [stdout]   --> src/codec/epoch.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |       field, impl_default_bytes_codec_for,
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/codec/macro.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout] 2  | / macro_rules! field {
[INFO] [stdout] 3  | |     ($opt_field:expr, $type:expr, $field:expr) => {
[INFO] [stdout] 4  | |         $opt_field.ok_or_else(|| crate::codec::CodecError::MissingField {
[INFO] [stdout] 5  | |             r#type: $type,
[INFO] [stdout] ...  |
[INFO] [stdout] 8  | |     };
[INFO] [stdout] 9  | | }
[INFO] [stdout]    | |_- the item `field` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `impl_default_bytes_codec_for` is imported redundantly
[INFO] [stdout]   --> src/codec/epoch.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |       field, impl_default_bytes_codec_for,
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/codec/macro.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / macro_rules! impl_default_bytes_codec_for {
[INFO] [stdout] 13 | |     ($category:ident, [$($type:ident),+]) => (
[INFO] [stdout] 14 | |         use crate::types::$category;
[INFO] [stdout] ...  |
[INFO] [stdout] 34 | |     )
[INFO] [stdout] 35 | | }
[INFO] [stdout]    | |_- the item `impl_default_bytes_codec_for` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Default` is imported redundantly
[INFO] [stdout]  --> src/codec/primitive.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{convert::TryFrom, default::Default, mem};
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Default` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `field` is imported redundantly
[INFO] [stdout]   --> src/codec/primitive.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |       field, impl_default_bytes_codec_for,
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/codec/macro.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout] 2  | / macro_rules! field {
[INFO] [stdout] 3  | |     ($opt_field:expr, $type:expr, $field:expr) => {
[INFO] [stdout] 4  | |         $opt_field.ok_or_else(|| crate::codec::CodecError::MissingField {
[INFO] [stdout] 5  | |             r#type: $type,
[INFO] [stdout] ...  |
[INFO] [stdout] 8  | |     };
[INFO] [stdout] 9  | | }
[INFO] [stdout]    | |_- the item `field` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `impl_default_bytes_codec_for` is imported redundantly
[INFO] [stdout]   --> src/codec/primitive.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |       field, impl_default_bytes_codec_for,
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/codec/macro.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / macro_rules! impl_default_bytes_codec_for {
[INFO] [stdout] 13 | |     ($category:ident, [$($type:ident),+]) => (
[INFO] [stdout] 14 | |         use crate::types::$category;
[INFO] [stdout] ...  |
[INFO] [stdout] 34 | |     )
[INFO] [stdout] 35 | | }
[INFO] [stdout]    | |_- the item `impl_default_bytes_codec_for` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `field` is imported redundantly
[INFO] [stdout]  --> src/codec/receipt.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |       field, impl_default_bytes_codec_for,
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/codec/macro.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | / macro_rules! field {
[INFO] [stdout] 3 | |     ($opt_field:expr, $type:expr, $field:expr) => {
[INFO] [stdout] 4 | |         $opt_field.ok_or_else(|| crate::codec::CodecError::MissingField {
[INFO] [stdout] 5 | |             r#type: $type,
[INFO] [stdout] ... |
[INFO] [stdout] 8 | |     };
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_- the item `field` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `impl_default_bytes_codec_for` is imported redundantly
[INFO] [stdout]   --> src/codec/receipt.rs:8:12
[INFO] [stdout]    |
[INFO] [stdout] 8  |       field, impl_default_bytes_codec_for,
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/codec/macro.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / macro_rules! impl_default_bytes_codec_for {
[INFO] [stdout] 13 | |     ($category:ident, [$($type:ident),+]) => (
[INFO] [stdout] 14 | |         use crate::types::$category;
[INFO] [stdout] ...  |
[INFO] [stdout] 34 | |     )
[INFO] [stdout] 35 | | }
[INFO] [stdout]    | |_- the item `impl_default_bytes_codec_for` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `field` is imported redundantly
[INFO] [stdout]  --> src/codec/transaction.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |       field, impl_default_bytes_codec_for,
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/codec/macro.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | / macro_rules! field {
[INFO] [stdout] 3 | |     ($opt_field:expr, $type:expr, $field:expr) => {
[INFO] [stdout] 4 | |         $opt_field.ok_or_else(|| crate::codec::CodecError::MissingField {
[INFO] [stdout] 5 | |             r#type: $type,
[INFO] [stdout] ... |
[INFO] [stdout] 8 | |     };
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_- the item `field` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `impl_default_bytes_codec_for` is imported redundantly
[INFO] [stdout]   --> src/codec/transaction.rs:8:12
[INFO] [stdout]    |
[INFO] [stdout] 8  |       field, impl_default_bytes_codec_for,
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/codec/macro.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / macro_rules! impl_default_bytes_codec_for {
[INFO] [stdout] 13 | |     ($category:ident, [$($type:ident),+]) => (
[INFO] [stdout] 14 | |         use crate::types::$category;
[INFO] [stdout] ...  |
[INFO] [stdout] 34 | |     )
[INFO] [stdout] 35 | | }
[INFO] [stdout]    | |_- the item `impl_default_bytes_codec_for` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `impl_default_fixed_codec_for` is imported redundantly
[INFO] [stdout]   --> src/fixed_codec/epoch.rs:7:13
[INFO] [stdout]    |
[INFO] [stdout] 7  |   use crate::{impl_default_fixed_codec_for, ProtocolResult};
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/fixed_codec/macro.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout] 2  | / macro_rules! impl_default_fixed_codec_for {
[INFO] [stdout] 3  | |     ($category:ident, [$($type:ident),+]) => (
[INFO] [stdout] 4  | |         use crate::types::$category;
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |     )
[INFO] [stdout] 18 | | }
[INFO] [stdout]    | |_- the item `impl_default_fixed_codec_for` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `impl_default_fixed_codec_for` is imported redundantly
[INFO] [stdout]   --> src/fixed_codec/primitive.rs:8:13
[INFO] [stdout]    |
[INFO] [stdout] 8  |   use crate::{impl_default_fixed_codec_for, ProtocolResult};
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/fixed_codec/macro.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout] 2  | / macro_rules! impl_default_fixed_codec_for {
[INFO] [stdout] 3  | |     ($category:ident, [$($type:ident),+]) => (
[INFO] [stdout] 4  | |         use crate::types::$category;
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |     )
[INFO] [stdout] 18 | | }
[INFO] [stdout]    | |_- the item `impl_default_fixed_codec_for` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `field` is imported redundantly
[INFO] [stdout]   --> src/codec/epoch.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |       field, impl_default_bytes_codec_for,
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/codec/macro.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout] 2  | / macro_rules! field {
[INFO] [stdout] 3  | |     ($opt_field:expr, $type:expr, $field:expr) => {
[INFO] [stdout] 4  | |         $opt_field.ok_or_else(|| crate::codec::CodecError::MissingField {
[INFO] [stdout] 5  | |             r#type: $type,
[INFO] [stdout] ...  |
[INFO] [stdout] 8  | |     };
[INFO] [stdout] 9  | | }
[INFO] [stdout]    | |_- the item `field` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `impl_default_fixed_codec_for` is imported redundantly
[INFO] [stdout]   --> src/fixed_codec/receipt.rs:3:13
[INFO] [stdout]    |
[INFO] [stdout] 3  |   use crate::{impl_default_fixed_codec_for, ProtocolResult};
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/fixed_codec/macro.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout] 2  | / macro_rules! impl_default_fixed_codec_for {
[INFO] [stdout] 3  | |     ($category:ident, [$($type:ident),+]) => (
[INFO] [stdout] 4  | |         use crate::types::$category;
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |     )
[INFO] [stdout] 18 | | }
[INFO] [stdout]    | |_- the item `impl_default_fixed_codec_for` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `impl_default_fixed_codec_for` is imported redundantly
[INFO] [stdout]   --> src/fixed_codec/transaction.rs:6:13
[INFO] [stdout]    |
[INFO] [stdout] 6  |   use crate::{impl_default_fixed_codec_for, ProtocolResult};
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/fixed_codec/macro.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout] 2  | / macro_rules! impl_default_fixed_codec_for {
[INFO] [stdout] 3  | |     ($category:ident, [$($type:ident),+]) => (
[INFO] [stdout] 4  | |         use crate::types::$category;
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |     )
[INFO] [stdout] 18 | | }
[INFO] [stdout]    | |_- the item `impl_default_fixed_codec_for` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/traits/binding.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `impl_default_bytes_codec_for` is imported redundantly
[INFO] [stdout]   --> src/codec/epoch.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |       field, impl_default_bytes_codec_for,
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/codec/macro.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / macro_rules! impl_default_bytes_codec_for {
[INFO] [stdout] 13 | |     ($category:ident, [$($type:ident),+]) => (
[INFO] [stdout] 14 | |         use crate::types::$category;
[INFO] [stdout] ...  |
[INFO] [stdout] 34 | |     )
[INFO] [stdout] 35 | | }
[INFO] [stdout]    | |_- the item `impl_default_bytes_codec_for` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Default` is imported redundantly
[INFO] [stdout]  --> src/codec/primitive.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{convert::TryFrom, default::Default, mem};
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Default` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `field` is imported redundantly
[INFO] [stdout]   --> src/codec/primitive.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |       field, impl_default_bytes_codec_for,
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/codec/macro.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout] 2  | / macro_rules! field {
[INFO] [stdout] 3  | |     ($opt_field:expr, $type:expr, $field:expr) => {
[INFO] [stdout] 4  | |         $opt_field.ok_or_else(|| crate::codec::CodecError::MissingField {
[INFO] [stdout] 5  | |             r#type: $type,
[INFO] [stdout] ...  |
[INFO] [stdout] 8  | |     };
[INFO] [stdout] 9  | | }
[INFO] [stdout]    | |_- the item `field` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `impl_default_bytes_codec_for` is imported redundantly
[INFO] [stdout]   --> src/codec/primitive.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |       field, impl_default_bytes_codec_for,
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/codec/macro.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / macro_rules! impl_default_bytes_codec_for {
[INFO] [stdout] 13 | |     ($category:ident, [$($type:ident),+]) => (
[INFO] [stdout] 14 | |         use crate::types::$category;
[INFO] [stdout] ...  |
[INFO] [stdout] 34 | |     )
[INFO] [stdout] 35 | | }
[INFO] [stdout]    | |_- the item `impl_default_bytes_codec_for` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `field` is imported redundantly
[INFO] [stdout]  --> src/codec/receipt.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |       field, impl_default_bytes_codec_for,
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/codec/macro.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | / macro_rules! field {
[INFO] [stdout] 3 | |     ($opt_field:expr, $type:expr, $field:expr) => {
[INFO] [stdout] 4 | |         $opt_field.ok_or_else(|| crate::codec::CodecError::MissingField {
[INFO] [stdout] 5 | |             r#type: $type,
[INFO] [stdout] ... |
[INFO] [stdout] 8 | |     };
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_- the item `field` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `impl_default_bytes_codec_for` is imported redundantly
[INFO] [stdout]   --> src/codec/receipt.rs:8:12
[INFO] [stdout]    |
[INFO] [stdout] 8  |       field, impl_default_bytes_codec_for,
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/codec/macro.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / macro_rules! impl_default_bytes_codec_for {
[INFO] [stdout] 13 | |     ($category:ident, [$($type:ident),+]) => (
[INFO] [stdout] 14 | |         use crate::types::$category;
[INFO] [stdout] ...  |
[INFO] [stdout] 34 | |     )
[INFO] [stdout] 35 | | }
[INFO] [stdout]    | |_- the item `impl_default_bytes_codec_for` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `field` is imported redundantly
[INFO] [stdout]  --> src/codec/transaction.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |       field, impl_default_bytes_codec_for,
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/codec/macro.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | / macro_rules! field {
[INFO] [stdout] 3 | |     ($opt_field:expr, $type:expr, $field:expr) => {
[INFO] [stdout] 4 | |         $opt_field.ok_or_else(|| crate::codec::CodecError::MissingField {
[INFO] [stdout] 5 | |             r#type: $type,
[INFO] [stdout] ... |
[INFO] [stdout] 8 | |     };
[INFO] [stdout] 9 | | }
[INFO] [stdout]   | |_- the item `field` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `impl_default_bytes_codec_for` is imported redundantly
[INFO] [stdout]   --> src/codec/transaction.rs:8:12
[INFO] [stdout]    |
[INFO] [stdout] 8  |       field, impl_default_bytes_codec_for,
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/codec/macro.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / macro_rules! impl_default_bytes_codec_for {
[INFO] [stdout] 13 | |     ($category:ident, [$($type:ident),+]) => (
[INFO] [stdout] 14 | |         use crate::types::$category;
[INFO] [stdout] ...  |
[INFO] [stdout] 34 | |     )
[INFO] [stdout] 35 | | }
[INFO] [stdout]    | |_- the item `impl_default_bytes_codec_for` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `impl_default_fixed_codec_for` is imported redundantly
[INFO] [stdout]   --> src/fixed_codec/epoch.rs:7:13
[INFO] [stdout]    |
[INFO] [stdout] 7  |   use crate::{impl_default_fixed_codec_for, ProtocolResult};
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/fixed_codec/macro.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout] 2  | / macro_rules! impl_default_fixed_codec_for {
[INFO] [stdout] 3  | |     ($category:ident, [$($type:ident),+]) => (
[INFO] [stdout] 4  | |         use crate::types::$category;
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |     )
[INFO] [stdout] 18 | | }
[INFO] [stdout]    | |_- the item `impl_default_fixed_codec_for` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `impl_default_fixed_codec_for` is imported redundantly
[INFO] [stdout]   --> src/fixed_codec/primitive.rs:8:13
[INFO] [stdout]    |
[INFO] [stdout] 8  |   use crate::{impl_default_fixed_codec_for, ProtocolResult};
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/fixed_codec/macro.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout] 2  | / macro_rules! impl_default_fixed_codec_for {
[INFO] [stdout] 3  | |     ($category:ident, [$($type:ident),+]) => (
[INFO] [stdout] 4  | |         use crate::types::$category;
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |     )
[INFO] [stdout] 18 | | }
[INFO] [stdout]    | |_- the item `impl_default_fixed_codec_for` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `impl_default_fixed_codec_for` is imported redundantly
[INFO] [stdout]   --> src/fixed_codec/receipt.rs:3:13
[INFO] [stdout]    |
[INFO] [stdout] 3  |   use crate::{impl_default_fixed_codec_for, ProtocolResult};
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/fixed_codec/macro.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout] 2  | / macro_rules! impl_default_fixed_codec_for {
[INFO] [stdout] 3  | |     ($category:ident, [$($type:ident),+]) => (
[INFO] [stdout] 4  | |         use crate::types::$category;
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |     )
[INFO] [stdout] 18 | | }
[INFO] [stdout]    | |_- the item `impl_default_fixed_codec_for` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `impl_default_fixed_codec_for` is imported redundantly
[INFO] [stdout]   --> src/fixed_codec/transaction.rs:6:13
[INFO] [stdout]    |
[INFO] [stdout] 6  |   use crate::{impl_default_fixed_codec_for, ProtocolResult};
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/fixed_codec/macro.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout] 2  | / macro_rules! impl_default_fixed_codec_for {
[INFO] [stdout] 3  | |     ($category:ident, [$($type:ident),+]) => (
[INFO] [stdout] 4  | |         use crate::types::$category;
[INFO] [stdout] ...  |
[INFO] [stdout] 17 | |     )
[INFO] [stdout] 18 | | }
[INFO] [stdout]    | |_- the item `impl_default_fixed_codec_for` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/traits/binding.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.75s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: uint v0.4.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "20168b58dee31270f1dbb5b4d6cc40004a4dd725e4fce8eb96dd4c6b7b790895", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20168b58dee31270f1dbb5b4d6cc40004a4dd725e4fce8eb96dd4c6b7b790895", kill_on_drop: false }`
[INFO] [stdout] 20168b58dee31270f1dbb5b4d6cc40004a4dd725e4fce8eb96dd4c6b7b790895