[INFO] fetching crate simple-rlp 0.1.0...
[INFO] testing simple-rlp-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate simple-rlp 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate simple-rlp 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6639c27bf60e42914ab1e8e7cad2e2be30066e1c71afcfe5075f962066cfa36f
[INFO] running `Command { std: "docker" "start" "-a" "6639c27bf60e42914ab1e8e7cad2e2be30066e1c71afcfe5075f962066cfa36f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6639c27bf60e42914ab1e8e7cad2e2be30066e1c71afcfe5075f962066cfa36f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6639c27bf60e42914ab1e8e7cad2e2be30066e1c71afcfe5075f962066cfa36f", kill_on_drop: false }`
[INFO] [stdout] 6639c27bf60e42914ab1e8e7cad2e2be30066e1c71afcfe5075f962066cfa36f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8e451dd42645919ffb6d2e76a51cfae60eac030b8a4f0210a1177b36c378a58
[INFO] running `Command { std: "docker" "start" "-a" "a8e451dd42645919ffb6d2e76a51cfae60eac030b8a4f0210a1177b36c378a58", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling bs58 v0.4.0
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling memory_units v0.4.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling near-runtime-utils v4.0.0-pre.1
[INFO] [stderr]    Compiling sha2 v0.9.8
[INFO] [stderr]    Compiling sha3 v0.9.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[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 derive_more v0.99.16
[INFO] [stderr]    Compiling near-sdk-macros v3.1.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling near-rpc-error-core v0.1.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling near-rpc-error-macro v0.1.0
[INFO] [stderr]    Compiling borsh-derive v0.8.2
[INFO] [stderr]    Compiling borsh v0.8.2
[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: `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] 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: `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: `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: `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: `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: `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: `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: `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: `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: `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: associated constant is never used: `MAX_UINT8`
[INFO] [stdout]   --> src/encode.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     const MAX_UINT8: u8 = u8::MAX;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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(dead_code)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `MAX_UINT16`
[INFO] [stdout]   --> src/encode.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     const MAX_UINT16: u16 = u16::MAX;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `MAX_UINT32`
[INFO] [stdout]   --> src/encode.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     const MAX_UINT32: u32 = u32::MAX;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `MAX_UINT64`
[INFO] [stdout]   --> src/encode.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     const MAX_UINT64: u64 = u64::MAX;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `MAX_UINT128`
[INFO] [stdout]   --> src/encode.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     const MAX_UINT128: u128 = u128::MAX;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_binary`
[INFO] [stdout]   --> src/encode.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn to_binary(x: usize) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `memcpy`
[INFO] [stdout]   --> src/encode.rs:78:8
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn memcpy(dest: usize, src: usize, len: usize) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_length`
[INFO] [stdout]   --> src/encode.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn add_length(length: usize, is_long_list: bool) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^
[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: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.58s
[INFO] running `Command { std: "docker" "inspect" "a8e451dd42645919ffb6d2e76a51cfae60eac030b8a4f0210a1177b36c378a58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8e451dd42645919ffb6d2e76a51cfae60eac030b8a4f0210a1177b36c378a58", kill_on_drop: false }`
[INFO] [stdout] a8e451dd42645919ffb6d2e76a51cfae60eac030b8a4f0210a1177b36c378a58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5463a3ce6ec5c2f6fbc8d996e1337cad081ec855df6b42424d21ba6dfe9845a2
[INFO] running `Command { std: "docker" "start" "-a" "5463a3ce6ec5c2f6fbc8d996e1337cad081ec855df6b42424d21ba6dfe9845a2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] 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: `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: `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: `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: `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: `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: `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: `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: `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: `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: associated constant is never used: `MAX_UINT8`
[INFO] [stdout]   --> src/encode.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     const MAX_UINT8: u8 = u8::MAX;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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(dead_code)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `MAX_UINT16`
[INFO] [stdout]   --> src/encode.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     const MAX_UINT16: u16 = u16::MAX;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `MAX_UINT32`
[INFO] [stdout]   --> src/encode.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     const MAX_UINT32: u32 = u32::MAX;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `MAX_UINT64`
[INFO] [stdout]   --> src/encode.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     const MAX_UINT64: u64 = u64::MAX;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `MAX_UINT128`
[INFO] [stdout]   --> src/encode.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     const MAX_UINT128: u128 = u128::MAX;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_binary`
[INFO] [stdout]   --> src/encode.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn to_binary(x: usize) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `memcpy`
[INFO] [stdout]   --> src/encode.rs:78:8
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn memcpy(dest: usize, src: usize, len: usize) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_length`
[INFO] [stdout]   --> src/encode.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn add_length(length: usize, is_long_list: bool) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^
[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: 23 warnings emitted
[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] 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: `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: `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: `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: `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: `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: `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: `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: `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: `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: associated constant is never used: `MAX_UINT8`
[INFO] [stdout]   --> src/encode.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     const MAX_UINT8: u8 = u8::MAX;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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(dead_code)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `MAX_UINT16`
[INFO] [stdout]   --> src/encode.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     const MAX_UINT16: u16 = u16::MAX;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `MAX_UINT32`
[INFO] [stdout]   --> src/encode.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     const MAX_UINT32: u32 = u32::MAX;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `MAX_UINT64`
[INFO] [stdout]   --> src/encode.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     const MAX_UINT64: u64 = u64::MAX;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `MAX_UINT128`
[INFO] [stdout]   --> src/encode.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     const MAX_UINT128: u128 = u128::MAX;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_binary`
[INFO] [stdout]   --> src/encode.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn to_binary(x: usize) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `memcpy`
[INFO] [stdout]   --> src/encode.rs:78:8
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn memcpy(dest: usize, src: usize, len: usize) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_length`
[INFO] [stdout]   --> src/encode.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn add_length(length: usize, is_long_list: bool) -> Vec<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "5463a3ce6ec5c2f6fbc8d996e1337cad081ec855df6b42424d21ba6dfe9845a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5463a3ce6ec5c2f6fbc8d996e1337cad081ec855df6b42424d21ba6dfe9845a2", kill_on_drop: false }`
[INFO] [stdout] 5463a3ce6ec5c2f6fbc8d996e1337cad081ec855df6b42424d21ba6dfe9845a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5882978c0d44af6fe3ec9862c9fad47bf079e1f7b446f1ded02aa9e8303048b2
[INFO] running `Command { std: "docker" "start" "-a" "5882978c0d44af6fe3ec9862c9fad47bf079e1f7b446f1ded02aa9e8303048b2", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `len`
[INFO] [stderr]   --> src/encode.rs:70:22
[INFO] [stderr]    |
[INFO] [stderr] 70 |     fn encode_length(len: usize, offset: usize) -> Vec<u8> {
[INFO] [stderr]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     unused,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    = note: `#[warn(unused_variables)]` implied by `#[warn(unused)]`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `offset`
[INFO] [stderr]   --> src/encode.rs:70:34
[INFO] [stderr]    |
[INFO] [stderr] 70 |     fn encode_length(len: usize, offset: usize) -> Vec<u8> {
[INFO] [stderr]    |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/encode.rs:74:18
[INFO] [stderr]    |
[INFO] [stderr] 74 |     fn to_binary(x: usize) -> Vec<u8> {
[INFO] [stderr]    |                  ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dest`
[INFO] [stderr]   --> src/encode.rs:78:15
[INFO] [stderr]    |
[INFO] [stderr] 78 |     fn memcpy(dest: usize, src: usize, len: usize) {
[INFO] [stderr]    |               ^^^^ help: if this is intentional, prefix it with an underscore: `_dest`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `src`
[INFO] [stderr]   --> src/encode.rs:78:28
[INFO] [stderr]    |
[INFO] [stderr] 78 |     fn memcpy(dest: usize, src: usize, len: usize) {
[INFO] [stderr]    |                            ^^^ help: if this is intentional, prefix it with an underscore: `_src`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `len`
[INFO] [stderr]   --> src/encode.rs:78:40
[INFO] [stderr]    |
[INFO] [stderr] 78 |     fn memcpy(dest: usize, src: usize, len: usize) {
[INFO] [stderr]    |                                        ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `list`
[INFO] [stderr]   --> src/encode.rs:82:16
[INFO] [stderr]    |
[INFO] [stderr] 82 |     fn flatten(list: Vec<Vec<u8>>) -> Vec<u8> {
[INFO] [stderr]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_list`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `before`
[INFO] [stderr]   --> src/encode.rs:86:15
[INFO] [stderr]    |
[INFO] [stderr] 86 |     fn concat(before: &[u8], after: &[u8]) -> Vec<u8> {
[INFO] [stderr]    |               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_before`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `after`
[INFO] [stderr]   --> src/encode.rs:86:30
[INFO] [stderr]    |
[INFO] [stderr] 86 |     fn concat(before: &[u8], after: &[u8]) -> Vec<u8> {
[INFO] [stderr]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_after`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `length`
[INFO] [stderr]   --> src/encode.rs:90:19
[INFO] [stderr]    |
[INFO] [stderr] 90 |     fn add_length(length: usize, is_long_list: bool) -> Vec<u8> {
[INFO] [stderr]    |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `is_long_list`
[INFO] [stderr]   --> src/encode.rs:90:34
[INFO] [stderr]    |
[INFO] [stderr] 90 |     fn add_length(length: usize, is_long_list: bool) -> Vec<u8> {
[INFO] [stderr]    |                                  ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_long_list`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `length`
[INFO] [stderr]   --> src/encode.rs:94:30
[INFO] [stderr]    |
[INFO] [stderr] 94 |     fn encode_uint_by_length(length: usize) -> Vec<u8> {
[INFO] [stderr]    |                              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/encode.rs:98:19
[INFO] [stderr]    |
[INFO] [stderr] 98 |     fn bit_length(n: usize) -> usize {
[INFO] [stderr]    |                   ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant is never used: `MAX_UINT8`
[INFO] [stderr]   --> src/encode.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     const MAX_UINT8: u8 = u8::MAX;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     unused,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    = note: `#[warn(dead_code)]` implied by `#[warn(unused)]`
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant is never used: `MAX_UINT16`
[INFO] [stderr]   --> src/encode.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     const MAX_UINT16: u16 = u16::MAX;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant is never used: `MAX_UINT32`
[INFO] [stderr]   --> src/encode.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     const MAX_UINT32: u32 = u32::MAX;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant is never used: `MAX_UINT64`
[INFO] [stderr]   --> src/encode.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     const MAX_UINT64: u64 = u64::MAX;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant is never used: `MAX_UINT128`
[INFO] [stderr]   --> src/encode.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     const MAX_UINT128: u128 = u128::MAX;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `to_binary`
[INFO] [stderr]   --> src/encode.rs:74:8
[INFO] [stderr]    |
[INFO] [stderr] 74 |     fn to_binary(x: usize) -> Vec<u8> {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `memcpy`
[INFO] [stderr]   --> src/encode.rs:78:8
[INFO] [stderr]    |
[INFO] [stderr] 78 |     fn memcpy(dest: usize, src: usize, len: usize) {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_length`
[INFO] [stderr]   --> src/encode.rs:90:8
[INFO] [stderr]    |
[INFO] [stderr] 90 |     fn add_length(length: usize, is_long_list: bool) -> Vec<u8> {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]   --> src/encode.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn encode_int() -> Vec<u8> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     missing_docs,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]   --> src/encode.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn encode_bool() -> Vec<u8> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `simple-rlp` (lib) generated 23 warnings
[INFO] [stderr] warning: `simple-rlp` (lib test) generated 21 warnings (21 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/simple_rlp-47e4c3120574ce93)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests simple-rlp
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5882978c0d44af6fe3ec9862c9fad47bf079e1f7b446f1ded02aa9e8303048b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5882978c0d44af6fe3ec9862c9fad47bf079e1f7b446f1ded02aa9e8303048b2", kill_on_drop: false }`
[INFO] [stdout] 5882978c0d44af6fe3ec9862c9fad47bf079e1f7b446f1ded02aa9e8303048b2