[INFO] fetching crate simple-rlp 0.1.0...
[INFO] testing simple-rlp-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate simple-rlp 0.1.0 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate simple-rlp 0.1.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-27/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
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[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 15cd43f69ab601d5b50b9059ced9d47f92d6a9668f91e128d6f846ed64fb5fad
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[INFO] running `Command { std: "docker" "inspect" "15cd43f69ab601d5b50b9059ced9d47f92d6a9668f91e128d6f846ed64fb5fad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15cd43f69ab601d5b50b9059ced9d47f92d6a9668f91e128d6f846ed64fb5fad", kill_on_drop: false }`
[INFO] [stdout] 15cd43f69ab601d5b50b9059ced9d47f92d6a9668f91e128d6f846ed64fb5fad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aee4f54234720a3386f020f1c01ff59da6f4a597c1e4c03836d60618ad0f8924
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[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.1.0
[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 typenum v1.15.0
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[INFO] [stderr]    Compiling ahash v0.4.7
[INFO] [stderr]    Compiling block-padding v0.2.1
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
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[INFO] [stderr]    Compiling cpufeatures v0.2.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling wee_alloc v0.4.5
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[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling bs58 v0.4.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling byteorder v1.4.3
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[INFO] [stderr]    Compiling hashbrown v0.9.1
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[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
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[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling sha3 v0.9.1
[INFO] [stderr]    Compiling near-runtime-utils v4.0.0-pre.1
[INFO] [stderr]    Compiling borsh-derive-internal v0.8.2
[INFO] [stderr]    Compiling borsh-schema-derive-internal v0.8.2
[INFO] [stderr]    Compiling near-sdk-core v3.1.0
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling near-sdk-macros v3.1.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling near-rpc-error-core v0.1.0
[INFO] [stderr]    Compiling borsh-derive v0.8.2
[INFO] [stderr]    Compiling near-rpc-error-macro v0.1.0
[INFO] [stderr]    Compiling borsh v0.8.2
[INFO] [stderr]    Compiling near-primitives-core v0.4.0
[INFO] [stderr]    Compiling near-vm-errors v4.0.0-pre.1
[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: `#[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 24.72s
[INFO] running `Command { std: "docker" "inspect" "aee4f54234720a3386f020f1c01ff59da6f4a597c1e4c03836d60618ad0f8924", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aee4f54234720a3386f020f1c01ff59da6f4a597c1e4c03836d60618ad0f8924", kill_on_drop: false }`
[INFO] [stdout] aee4f54234720a3386f020f1c01ff59da6f4a597c1e4c03836d60618ad0f8924
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a044ae52078957e4b62da47881bcdcbf5cc90afdce5b928ae11ec108ce2af96
[INFO] running `Command { std: "docker" "start" "-a" "2a044ae52078957e4b62da47881bcdcbf5cc90afdce5b928ae11ec108ce2af96", kill_on_drop: false }`
[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: `#[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] [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: `#[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 0.55s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/simple_rlp-7a3819542c61c64a)
[INFO] running `Command { std: "docker" "inspect" "2a044ae52078957e4b62da47881bcdcbf5cc90afdce5b928ae11ec108ce2af96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a044ae52078957e4b62da47881bcdcbf5cc90afdce5b928ae11ec108ce2af96", kill_on_drop: false }`
[INFO] [stdout] 2a044ae52078957e4b62da47881bcdcbf5cc90afdce5b928ae11ec108ce2af96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f3068d1c8189a23f31ee0be17d71aec6d993bea14dccddc8fbae972487789542
[INFO] running `Command { std: "docker" "start" "-a" "f3068d1c8189a23f31ee0be17d71aec6d993bea14dccddc8fbae972487789542", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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: `#[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 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/simple_rlp-7a3819542c61c64a)
[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] [stderr]    Doc-tests simple-rlp
[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" "f3068d1c8189a23f31ee0be17d71aec6d993bea14dccddc8fbae972487789542", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3068d1c8189a23f31ee0be17d71aec6d993bea14dccddc8fbae972487789542", kill_on_drop: false }`
[INFO] [stdout] f3068d1c8189a23f31ee0be17d71aec6d993bea14dccddc8fbae972487789542