[INFO] fetching crate open-fastrlp 0.1.4...
[INFO] testing open-fastrlp-0.1.4 against 1.75.0 for beta-1.76-1
[INFO] extracting crate open-fastrlp 0.1.4 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate open-fastrlp 0.1.4 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate open-fastrlp 0.1.4
[INFO] finished tweaking crates.io crate open-fastrlp 0.1.4
[INFO] tweaked toml for crates.io crate open-fastrlp 0.1.4 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ethnum v1.5.0
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[INFO] [stderr]    Compiling open-fastrlp v0.1.4 (/opt/rustwide/workdir)
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[INFO] [stdout] error[E0432]: unresolved import `ethereum_types`
[INFO] [stdout]    --> src/decode.rs:362:9
[INFO] [stdout]     |
[INFO] [stdout] 362 |     use ethereum_types::{U128, U256, U512, U64};
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ use of undeclared crate or module `ethereum_types`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `ethnum`
[INFO] [stdout]    --> src/decode.rs:363:9
[INFO] [stdout]     |
[INFO] [stdout] 363 |     use ethnum::AsU256;
[INFO] [stdout]     |         ^^^^^^ use of undeclared crate or module `ethnum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `ethnum`
[INFO] [stdout]  --> tests/rlp.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ethnum::U256;
[INFO] [stdout]   |     ^^^^^^ use of undeclared crate or module `ethnum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RlpEncodable` in this scope
[INFO] [stdout]  --> tests/rlp.rs:6:28
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Debug, PartialEq, RlpEncodable, RlpDecodable)]
[INFO] [stdout]   |                            ^^^^^^^^^^^^ help: a derive macro with a similar name exists: `RustcEncodable`
[INFO] [stdout]  --> /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/macros/mod.rs:1699:5
[INFO] [stdout]   |
[INFO] [stdout]   = note: similarly named derive macro `RustcEncodable` defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RlpDecodable` in this scope
[INFO] [stdout]  --> tests/rlp.rs:6:42
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Debug, PartialEq, RlpEncodable, RlpDecodable)]
[INFO] [stdout]   |                                          ^^^^^^^^^^^^ help: a derive macro with a similar name exists: `RustcDecodable`
[INFO] [stdout]  --> /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/macros/mod.rs:1689:5
[INFO] [stdout]   |
[INFO] [stdout]   = note: similarly named derive macro `RustcDecodable` defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RlpEncodable` in this scope
[INFO] [stdout]   --> tests/rlp.rs:11:28
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Debug, PartialEq, RlpEncodable, RlpDecodable, RlpMaxEncodedLen)]
[INFO] [stdout]    |                            ^^^^^^^^^^^^ help: a derive macro with a similar name exists: `RustcEncodable`
[INFO] [stdout]   --> /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/macros/mod.rs:1699:5
[INFO] [stdout]    |
[INFO] [stdout]    = note: similarly named derive macro `RustcEncodable` defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RlpDecodable` in this scope
[INFO] [stdout]   --> tests/rlp.rs:11:42
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Debug, PartialEq, RlpEncodable, RlpDecodable, RlpMaxEncodedLen)]
[INFO] [stdout]    |                                          ^^^^^^^^^^^^ help: a derive macro with a similar name exists: `RustcDecodable`
[INFO] [stdout]   --> /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/macros/mod.rs:1689:5
[INFO] [stdout]    |
[INFO] [stdout]    = note: similarly named derive macro `RustcDecodable` defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RlpMaxEncodedLen` in this scope
[INFO] [stdout]   --> tests/rlp.rs:11:56
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Debug, PartialEq, RlpEncodable, RlpDecodable, RlpMaxEncodedLen)]
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RlpEncodableWrapper` in this scope
[INFO] [stdout]   --> tests/rlp.rs:19:28
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[derive(Debug, PartialEq, RlpEncodableWrapper, RlpDecodableWrapper)]
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RlpDecodableWrapper` in this scope
[INFO] [stdout]   --> tests/rlp.rs:19:49
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[derive(Debug, PartialEq, RlpEncodableWrapper, RlpDecodableWrapper)]
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RlpEncodable` in this scope
[INFO] [stdout]   --> tests/rlp.rs:22:28
[INFO] [stdout]    |
[INFO] [stdout] 22 | #[derive(Debug, PartialEq, RlpEncodable)]
[INFO] [stdout]    |                            ^^^^^^^^^^^^ help: a derive macro with a similar name exists: `RustcEncodable`
[INFO] [stdout]   --> /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/macros/mod.rs:1699:5
[INFO] [stdout]    |
[INFO] [stdout]    = note: similarly named derive macro `RustcEncodable` defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Item: open_fastrlp::Encodable` is not satisfied
[INFO] [stdout]   --> tests/rlp.rs:41:23
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let out = encoded(&item);
[INFO] [stdout]    |               ------- ^^^^^ the trait `open_fastrlp::Encodable` is not implemented for `Item`
[INFO] [stdout]    |               |
[INFO] [stdout]    |               required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following other types implement trait `open_fastrlp::Encodable`:
[INFO] [stdout]              bool
[INFO] [stdout]              usize
[INFO] [stdout]              u8
[INFO] [stdout]              u16
[INFO] [stdout]              u32
[INFO] [stdout]              u64
[INFO] [stdout]              u128
[INFO] [stdout]              bytes::Bytes
[INFO] [stdout]            and 4 others
[INFO] [stdout] note: required by a bound in `encoded`
[INFO] [stdout]   --> tests/rlp.rs:30:15
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn encoded<T: Encodable>(t: &T) -> BytesMut {
[INFO] [stdout]    |               ^^^^^^^^^ required by this bound in `encoded`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Item: open_fastrlp::Decodable` is not satisfied
[INFO] [stdout]   --> tests/rlp.rs:44:19
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let decoded = Decodable::decode(&mut &*expected).expect("decode failure");
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^ the trait `open_fastrlp::Decodable` is not implemented for `Item`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following other types implement trait `open_fastrlp::Decodable`:
[INFO] [stdout]              bool
[INFO] [stdout]              usize
[INFO] [stdout]              u8
[INFO] [stdout]              u16
[INFO] [stdout]              u32
[INFO] [stdout]              u64
[INFO] [stdout]              u128
[INFO] [stdout]              bytes::Bytes
[INFO] [stdout]            and 2 others
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Test4Numbers: open_fastrlp::Encodable` is not satisfied
[INFO] [stdout]   --> tests/rlp.rs:59:23
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let out = encoded(&item);
[INFO] [stdout]    |               ------- ^^^^^ the trait `open_fastrlp::Encodable` is not implemented for `Test4Numbers`
[INFO] [stdout]    |               |
[INFO] [stdout]    |               required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following other types implement trait `open_fastrlp::Encodable`:
[INFO] [stdout]              bool
[INFO] [stdout]              usize
[INFO] [stdout]              u8
[INFO] [stdout]              u16
[INFO] [stdout]              u32
[INFO] [stdout]              u64
[INFO] [stdout]              u128
[INFO] [stdout]              bytes::Bytes
[INFO] [stdout]            and 4 others
[INFO] [stdout] note: required by a bound in `encoded`
[INFO] [stdout]   --> tests/rlp.rs:30:15
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn encoded<T: Encodable>(t: &T) -> BytesMut {
[INFO] [stdout]    |               ^^^^^^^^^ required by this bound in `encoded`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Test4Numbers: MaxEncodedLen<_>` is not satisfied
[INFO] [stdout]    --> tests/rlp.rs:62:47
[INFO] [stdout]     |
[INFO] [stdout] 62  |     let out = open_fastrlp::encode_fixed_size(&item);
[INFO] [stdout]     |               ------------------------------- ^^^^^ the trait `MaxEncodedLen<_>` is not implemented for `Test4Numbers`
[INFO] [stdout]     |               |
[INFO] [stdout]     |               required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following other types implement trait `MaxEncodedLen<LEN>`:
[INFO] [stdout]               <bool as MaxEncodedLen<open_fastrlp::::encode::{impl#23}::{constant#0}>>
[INFO] [stdout]               <usize as MaxEncodedLen<open_fastrlp::::encode::{impl#6}::{constant#0}>>
[INFO] [stdout]               <u8 as MaxEncodedLen<open_fastrlp::::encode::{impl#9}::{constant#0}>>
[INFO] [stdout]               <u16 as MaxEncodedLen<open_fastrlp::::encode::{impl#12}::{constant#0}>>
[INFO] [stdout]               <u32 as MaxEncodedLen<open_fastrlp::::encode::{impl#15}::{constant#0}>>
[INFO] [stdout]               <u64 as MaxEncodedLen<open_fastrlp::::encode::{impl#18}::{constant#0}>>
[INFO] [stdout]               <u128 as MaxEncodedLen<open_fastrlp::::encode::{impl#21}::{constant#0}>>
[INFO] [stdout] note: required by a bound in `encode_fixed_size`
[INFO] [stdout]    --> /opt/rustwide/workdir/src/encode.rs:320:29
[INFO] [stdout]     |
[INFO] [stdout] 320 | pub fn encode_fixed_size<E: MaxEncodedLen<LEN>, const LEN: usize>(v: &E) -> ArrayVec<u8, LEN> {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^ required by this bound in `encode_fixed_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Test4Numbers: open_fastrlp::Decodable` is not satisfied
[INFO] [stdout]   --> tests/rlp.rs:65:19
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let decoded = Decodable::decode(&mut &*expected).unwrap();
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^ the trait `open_fastrlp::Decodable` is not implemented for `Test4Numbers`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following other types implement trait `open_fastrlp::Decodable`:
[INFO] [stdout]              bool
[INFO] [stdout]              usize
[INFO] [stdout]              u8
[INFO] [stdout]              u16
[INFO] [stdout]              u32
[INFO] [stdout]              u64
[INFO] [stdout]              u128
[INFO] [stdout]              bytes::Bytes
[INFO] [stdout]            and 2 others
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Test4NumbersGenerics<'_, _>: open_fastrlp::Encodable` is not satisfied
[INFO] [stdout]   --> tests/rlp.rs:76:17
[INFO] [stdout]    |
[INFO] [stdout] 76 |         encoded(&Test4NumbersGenerics { a: item.a, b: item.b, c: &item.c, d: &item.d }),
[INFO] [stdout]    |         ------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `open_fastrlp::Encodable` is not implemented for `Test4NumbersGenerics<'_, _>`
[INFO] [stdout]    |         |
[INFO] [stdout]    |         required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following other types implement trait `open_fastrlp::Encodable`:
[INFO] [stdout]              bool
[INFO] [stdout]              usize
[INFO] [stdout]              u8
[INFO] [stdout]              u16
[INFO] [stdout]              u32
[INFO] [stdout]              u64
[INFO] [stdout]              u128
[INFO] [stdout]              bytes::Bytes
[INFO] [stdout]            and 4 others
[INFO] [stdout] note: required by a bound in `encoded`
[INFO] [stdout]   --> tests/rlp.rs:30:15
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn encoded<T: Encodable>(t: &T) -> BytesMut {
[INFO] [stdout]    |               ^^^^^^^^^ required by this bound in `encoded`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `W: open_fastrlp::Encodable` is not satisfied
[INFO] [stdout]   --> tests/rlp.rs:80:24
[INFO] [stdout]    |
[INFO] [stdout] 80 |     assert_eq!(encoded(&W(item)), expected);
[INFO] [stdout]    |                ------- ^^^^^^^^ the trait `open_fastrlp::Encodable` is not implemented for `W`
[INFO] [stdout]    |                |
[INFO] [stdout]    |                required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following other types implement trait `open_fastrlp::Encodable`:
[INFO] [stdout]              bool
[INFO] [stdout]              usize
[INFO] [stdout]              u8
[INFO] [stdout]              u16
[INFO] [stdout]              u32
[INFO] [stdout]              u64
[INFO] [stdout]              u128
[INFO] [stdout]              bytes::Bytes
[INFO] [stdout]            and 4 others
[INFO] [stdout] note: required by a bound in `encoded`
[INFO] [stdout]   --> tests/rlp.rs:30:15
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn encoded<T: Encodable>(t: &T) -> BytesMut {
[INFO] [stdout]    |               ^^^^^^^^^ required by this bound in `encoded`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> src/decode.rs:374:17
[INFO] [stdout]     |
[INFO] [stdout] 374 |                 assert_eq!(input, &[]);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^ cannot infer type
[INFO] [stdout]     |
[INFO] [stdout]     = note: multiple `impl`s satisfying `u8: PartialEq<_>` found in the following crates: `core`, `serde_json`:
[INFO] [stdout]             - impl PartialEq for u8;
[INFO] [stdout]             - impl PartialEq<serde_json::Value> for u8;
[INFO] [stdout]     = note: required for `[u8]` to implement `PartialEq<[_; 0]>`
[INFO] [stdout]     = note: 1 redundant requirement hidden
[INFO] [stdout]     = note: required for `&[u8]` to implement `PartialEq<&[_; 0]>`
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `decode` found for struct `W` in the current scope
[INFO] [stdout]   --> tests/rlp.rs:81:19
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct W(Test4Numbers);
[INFO] [stdout]    | ------------ function or associated item `decode` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 81 |     assert_eq!(W::decode(&mut &*expected).unwrap().0, decoded);
[INFO] [stdout]    |                   ^^^^^^ function or associated item not found in `W`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `decode`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `open_fastrlp::Decodable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `decode` found for struct `Test4Numbers` in the current scope
[INFO] [stdout]   --> tests/rlp.rs:89:30
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Test4Numbers {
[INFO] [stdout]    | ------------------- function or associated item `decode` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 89 |     assert_eq!(Test4Numbers::decode(&mut sl), Err(DecodeError::InputTooShort));
[INFO] [stdout]    |                              ^^^^^^ function or associated item not found in `Test4Numbers`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `decode`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `open_fastrlp::Decodable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 18 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `open-fastrlp` (test "rlp") due to 19 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no function or associated item named `decode` found for struct `Vec<T>` in the current scope
[INFO] [stdout]    --> src/decode.rs:385:39
[INFO] [stdout]     |
[INFO] [stdout] 385 |             assert_eq!(vec::Vec::<T>::decode(&mut input), expected);
[INFO] [stdout]     |                                       ^^^^^^ function or associated item not found in `Vec<T>`
[INFO] [stdout]     |
[INFO] [stdout] note: if you're trying to build a new `Vec<T>` consider using one of the following associated functions:
[INFO] [stdout]       Vec::<T>::new
[INFO] [stdout]       Vec::<T>::with_capacity
[INFO] [stdout]       Vec::<T>::from_raw_parts
[INFO] [stdout]    --> /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/vec/mod.rs:420:5
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout] note: `decode::Decodable` defines an item `decode`, perhaps you need to implement it
[INFO] [stdout]    --> src/decode.rs:4:1
[INFO] [stdout]     |
[INFO] [stdout] 4   | pub trait Decodable: Sized {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_u256` found for type `u8` in the current scope
[INFO] [stdout]    --> src/decode.rs:437:22
[INFO] [stdout]     |
[INFO] [stdout] 437 |             (Ok(9_u8.as_u256()), &hex!("09")[..]),
[INFO] [stdout]     |                      ^^^^^^^ method not found in `u8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_u256` found for type `u8` in the current scope
[INFO] [stdout]    --> src/decode.rs:438:22
[INFO] [stdout]     |
[INFO] [stdout] 438 |             (Ok(0_u8.as_u256()), &hex!("80")[..]),
[INFO] [stdout]     |                      ^^^^^^^ method not found in `u8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_u256` found for type `u16` in the current scope
[INFO] [stdout]    --> src/decode.rs:439:28
[INFO] [stdout]     |
[INFO] [stdout] 439 |             (Ok(0x0505_u16.as_u256()), &hex!("820505")[..]),
[INFO] [stdout]     |                            ^^^^^^^ method not found in `u16`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_u256` found for type `u64` in the current scope
[INFO] [stdout]    --> src/decode.rs:440:34
[INFO] [stdout]     |
[INFO] [stdout] 440 |             (Ok(0xCE05050505_u64.as_u256()), &hex!("85CE05050505")[..]),
[INFO] [stdout]     |                                  ^^^^^^^ method not found in `u64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_u256` found for type `u128` in the current scope
[INFO] [stdout]    --> src/decode.rs:441:45
[INFO] [stdout]     |
[INFO] [stdout] 441 |             (Ok(0xFFFFFFFFFFFFFFFFFF7C_u128.as_u256()), &hex!("8AFFFFFFFFFFFFFFFFFF7C")[..]),
[INFO] [stdout]     |                                             ^^^^^^^ method not found in `u128`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `length` found for struct `Vec<T>` in the current scope
[INFO] [stdout]    --> src/encode.rs:353:34
[INFO] [stdout]     |
[INFO] [stdout] 353 |         assert_eq!(out1.len(), v.length());
[INFO] [stdout]     |                                  ^^^^^^ help: there is a method with a similar name: `len`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout] note: `encode::Encodable` defines an item `length`, perhaps you need to implement it
[INFO] [stdout]    --> src/encode.rs:72:1
[INFO] [stdout]     |
[INFO] [stdout] 72  | pub trait Encodable {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `encode` found for struct `Vec<T>` in the current scope
[INFO] [stdout]    --> src/encode.rs:356:11
[INFO] [stdout]     |
[INFO] [stdout] 356 |         v.encode(&mut out2);
[INFO] [stdout]     |           ^^^^^^ method not found in `Vec<T>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout] note: `encode::Encodable` defines an item `encode`, perhaps you need to implement it
[INFO] [stdout]    --> src/encode.rs:72:1
[INFO] [stdout]     |
[INFO] [stdout] 72  | pub trait Encodable {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 11 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0283, E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `open-fastrlp` (lib test) due to 12 previous errors
[INFO] running `Command { std: "docker" "inspect" "af23d1a72b17fb3e0d1cdbbc303300d7d5c708f0b27acb48ac0c4cf71ecf4fca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af23d1a72b17fb3e0d1cdbbc303300d7d5c708f0b27acb48ac0c4cf71ecf4fca", kill_on_drop: false }`
[INFO] [stdout] af23d1a72b17fb3e0d1cdbbc303300d7d5c708f0b27acb48ac0c4cf71ecf4fca
