[INFO] fetching crate simple-rlp 0.1.0...
[INFO] building simple-rlp-0.1.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate simple-rlp 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate simple-rlp 0.1.0
[INFO] finished tweaking crates.io crate simple-rlp 0.1.0
[INFO] tweaked toml for crates.io crate simple-rlp 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate simple-rlp 0.1.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 71 packages to latest compatible versions
[INFO] [stderr]       Adding near-sdk v3.1.0 (available: v5.17.2)
[INFO] [stderr]       Adding syn v1.0.57 (available: v1.0.109)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 769c01914f1141e914ba70586bf6609e00327cb351fc60361181753a94e9e940
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[INFO] [stdout] 769c01914f1141e914ba70586bf6609e00327cb351fc60361181753a94e9e940
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccbdd71cdf249bdc7a7b311eaadf4dc8a6d2f8b32e326e559e5924bc506dd297
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[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling ahash v0.4.8
[INFO] [stderr]    Compiling block-padding v0.2.1
[INFO] [stderr]    Compiling generic-array v0.14.7
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[INFO] [stderr]    Compiling num-rational v0.3.2
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[INFO] [stderr]    Compiling bs58 v0.4.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling near-runtime-utils v4.0.0-pre.1
[INFO] [stderr]    Compiling memory_units v0.4.0
[INFO] [stderr]    Compiling hashbrown v0.9.1
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[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling sha3 v0.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]    Compiling borsh-schema-derive-internal v0.8.2
[INFO] [stderr]    Compiling borsh-derive-internal v0.8.2
[INFO] [stderr]    Compiling near-sdk-core v3.1.0
[INFO] [stderr]    Compiling near-sdk-macros v3.1.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling near-rpc-error-core v0.1.0
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[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling borsh-derive v0.8.2
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[INFO] [stderr]    Compiling near-vm-errors v4.0.0-pre.1
[INFO] [stderr]    Compiling near-primitives-core v0.4.0
[INFO] [stderr]    Compiling near-vm-logic v4.0.0-pre.1
[INFO] [stderr]    Compiling near-sdk v3.1.0
[INFO] [stderr]    Compiling simple-rlp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `length`
[INFO] [stdout]   --> src/encode.rs:94:30
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn encode_uint_by_length(length: usize) -> Vec<u8> {
[INFO] [stdout]    |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length`
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     unused,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_variables)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `before`
[INFO] [stdout]   --> src/encode.rs:86:15
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn concat(before: &[u8], after: &[u8]) -> Vec<u8> {
[INFO] [stdout]    |               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_before`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dest`
[INFO] [stdout]   --> src/encode.rs:78:15
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn memcpy(dest: usize, src: usize, len: usize) {
[INFO] [stdout]    |               ^^^^ help: if this is intentional, prefix it with an underscore: `_dest`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `list`
[INFO] [stdout]   --> src/encode.rs:82:16
[INFO] [stdout]    |
[INFO] [stdout] 82 |     fn flatten(list: Vec<Vec<u8>>) -> Vec<u8> {
[INFO] [stdout]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `src`
[INFO] [stdout]   --> src/encode.rs:78:28
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn memcpy(dest: usize, src: usize, len: usize) {
[INFO] [stdout]    |                            ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]   --> src/encode.rs:78:40
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn memcpy(dest: usize, src: usize, len: usize) {
[INFO] [stdout]    |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `after`
[INFO] [stdout]   --> src/encode.rs:86:30
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn concat(before: &[u8], after: &[u8]) -> Vec<u8> {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_after`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/encode.rs:74:18
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn to_binary(x: usize) -> Vec<u8> {
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `length`
[INFO] [stdout]   --> src/encode.rs:90:19
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn add_length(length: usize, is_long_list: bool) -> Vec<u8> {
[INFO] [stdout]    |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_long_list`
[INFO] [stdout]   --> src/encode.rs:90:34
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn add_length(length: usize, is_long_list: bool) -> Vec<u8> {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_long_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/encode.rs:98:19
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn bit_length(n: usize) -> usize {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]   --> src/encode.rs:70:22
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn encode_length(len: usize, offset: usize) -> Vec<u8> {
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]   --> src/encode.rs:70:34
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn encode_length(len: usize, offset: usize) -> Vec<u8> {
[INFO] [stdout]    |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/encode.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl RlpEncode {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     const MAX_UINT8: u8 = u8::MAX;
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 18 |     const MAX_UINT16: u16 = u16::MAX;
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 19 |     const MAX_UINT32: u32 = u32::MAX;
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 20 |     const MAX_UINT64: u64 = u64::MAX;
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 21 |     const MAX_UINT128: u128 = u128::MAX;
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     fn to_binary(x: usize) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     fn memcpy(dest: usize, src: usize, len: usize) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 |     fn add_length(length: usize, is_long_list: bool) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for an associated function
[INFO] [stdout]   --> src/encode.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn encode_int() -> Vec<u8> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     missing_docs,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for an associated function
[INFO] [stdout]   --> src/encode.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn encode_bool() -> Vec<u8> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.93s
[INFO] running `Command { std: "docker" "inspect" "ccbdd71cdf249bdc7a7b311eaadf4dc8a6d2f8b32e326e559e5924bc506dd297", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccbdd71cdf249bdc7a7b311eaadf4dc8a6d2f8b32e326e559e5924bc506dd297", kill_on_drop: false }`
[INFO] [stdout] ccbdd71cdf249bdc7a7b311eaadf4dc8a6d2f8b32e326e559e5924bc506dd297
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5c3e124e9f5d86a2008aea7813bb6ab3ebf0efd82428dcc8813940ccfacb0a9
[INFO] running `Command { std: "docker" "start" "-a" "f5c3e124e9f5d86a2008aea7813bb6ab3ebf0efd82428dcc8813940ccfacb0a9", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `length`
[INFO] [stdout]   --> src/encode.rs:94:30
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn encode_uint_by_length(length: usize) -> Vec<u8> {
[INFO] [stdout]    |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length`
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     unused,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_variables)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `before`
[INFO] [stdout]   --> src/encode.rs:86:15
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn concat(before: &[u8], after: &[u8]) -> Vec<u8> {
[INFO] [stdout]    |               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_before`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dest`
[INFO] [stdout]   --> src/encode.rs:78:15
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn memcpy(dest: usize, src: usize, len: usize) {
[INFO] [stdout]    |               ^^^^ help: if this is intentional, prefix it with an underscore: `_dest`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `list`
[INFO] [stdout]   --> src/encode.rs:82:16
[INFO] [stdout]    |
[INFO] [stdout] 82 |     fn flatten(list: Vec<Vec<u8>>) -> Vec<u8> {
[INFO] [stdout]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `src`
[INFO] [stdout]   --> src/encode.rs:78:28
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn memcpy(dest: usize, src: usize, len: usize) {
[INFO] [stdout]    |                            ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]   --> src/encode.rs:78:40
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn memcpy(dest: usize, src: usize, len: usize) {
[INFO] [stdout]    |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `after`
[INFO] [stdout]   --> src/encode.rs:86:30
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn concat(before: &[u8], after: &[u8]) -> Vec<u8> {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_after`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/encode.rs:74:18
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn to_binary(x: usize) -> Vec<u8> {
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `length`
[INFO] [stdout]   --> src/encode.rs:90:19
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn add_length(length: usize, is_long_list: bool) -> Vec<u8> {
[INFO] [stdout]    |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_long_list`
[INFO] [stdout]   --> src/encode.rs:90:34
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn add_length(length: usize, is_long_list: bool) -> Vec<u8> {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_long_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/encode.rs:98:19
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn bit_length(n: usize) -> usize {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling simple-rlp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]   --> src/encode.rs:70:22
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn encode_length(len: usize, offset: usize) -> Vec<u8> {
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]   --> src/encode.rs:70:34
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn encode_length(len: usize, offset: usize) -> Vec<u8> {
[INFO] [stdout]    |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/encode.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl RlpEncode {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     const MAX_UINT8: u8 = u8::MAX;
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 18 |     const MAX_UINT16: u16 = u16::MAX;
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 19 |     const MAX_UINT32: u32 = u32::MAX;
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 20 |     const MAX_UINT64: u64 = u64::MAX;
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 21 |     const MAX_UINT128: u128 = u128::MAX;
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     fn to_binary(x: usize) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     fn memcpy(dest: usize, src: usize, len: usize) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 |     fn add_length(length: usize, is_long_list: bool) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for an associated function
[INFO] [stdout]   --> src/encode.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn encode_int() -> Vec<u8> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     missing_docs,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for an associated function
[INFO] [stdout]   --> src/encode.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn encode_bool() -> Vec<u8> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `before`
[INFO] [stdout]   --> src/encode.rs:86:15
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn concat(before: &[u8], after: &[u8]) -> Vec<u8> {
[INFO] [stdout]    |               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_before`
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     unused,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    = note: `#[warn(unused_variables)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dest`
[INFO] [stdout]   --> src/encode.rs:78:15
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn memcpy(dest: usize, src: usize, len: usize) {
[INFO] [stdout]    |               ^^^^ help: if this is intentional, prefix it with an underscore: `_dest`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `src`
[INFO] [stdout]   --> src/encode.rs:78:28
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn memcpy(dest: usize, src: usize, len: usize) {
[INFO] [stdout]    |                            ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]   --> src/encode.rs:78:40
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn memcpy(dest: usize, src: usize, len: usize) {
[INFO] [stdout]    |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/encode.rs:74:18
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn to_binary(x: usize) -> Vec<u8> {
[INFO] [stdout]    |                  ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `length`
[INFO] [stdout]   --> src/encode.rs:94:30
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn encode_uint_by_length(length: usize) -> Vec<u8> {
[INFO] [stdout]    |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `length`
[INFO] [stdout]   --> src/encode.rs:90:19
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn add_length(length: usize, is_long_list: bool) -> Vec<u8> {
[INFO] [stdout]    |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_long_list`
[INFO] [stdout]   --> src/encode.rs:90:34
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn add_length(length: usize, is_long_list: bool) -> Vec<u8> {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_long_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/encode.rs:98:19
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn bit_length(n: usize) -> usize {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `list`
[INFO] [stdout]   --> src/encode.rs:82:16
[INFO] [stdout]    |
[INFO] [stdout] 82 |     fn flatten(list: Vec<Vec<u8>>) -> Vec<u8> {
[INFO] [stdout]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]   --> src/encode.rs:70:22
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn encode_length(len: usize, offset: usize) -> Vec<u8> {
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]   --> src/encode.rs:70:34
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn encode_length(len: usize, offset: usize) -> Vec<u8> {
[INFO] [stdout]    |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `after`
[INFO] [stdout]   --> src/encode.rs:86:30
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn concat(before: &[u8], after: &[u8]) -> Vec<u8> {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_after`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/encode.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl RlpEncode {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     const MAX_UINT8: u8 = u8::MAX;
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout] 18 |     const MAX_UINT16: u16 = u16::MAX;
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 19 |     const MAX_UINT32: u32 = u32::MAX;
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 20 |     const MAX_UINT64: u64 = u64::MAX;
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 21 |     const MAX_UINT128: u128 = u128::MAX;
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     fn to_binary(x: usize) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     fn memcpy(dest: usize, src: usize, len: usize) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 |     fn add_length(length: usize, is_long_list: bool) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for an associated function
[INFO] [stdout]   --> src/encode.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn encode_int() -> Vec<u8> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     missing_docs,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for an associated function
[INFO] [stdout]   --> src/encode.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn encode_bool() -> Vec<u8> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "f5c3e124e9f5d86a2008aea7813bb6ab3ebf0efd82428dcc8813940ccfacb0a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5c3e124e9f5d86a2008aea7813bb6ab3ebf0efd82428dcc8813940ccfacb0a9", kill_on_drop: false }`
[INFO] [stdout] f5c3e124e9f5d86a2008aea7813bb6ab3ebf0efd82428dcc8813940ccfacb0a9
