[INFO] cloning repository https://github.com/oxkitsune/rrd-surgery
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oxkitsune/rrd-surgery" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foxkitsune%2Frrd-surgery", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foxkitsune%2Frrd-surgery'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a422c2fd68d50dd361224253538c3be81a9f9dab
[INFO] checking oxkitsune/rrd-surgery against master#ff647322379c48947c196639599067665ff9eb88 for pr-151539-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foxkitsune%2Frrd-surgery" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/oxkitsune/rrd-surgery
[INFO] finished tweaking git repo https://github.com/oxkitsune/rrd-surgery
[INFO] tweaked toml for git repo https://github.com/oxkitsune/rrd-surgery written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/oxkitsune/rrd-surgery on toolchain ff647322379c48947c196639599067665ff9eb88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff647322379c48947c196639599067665ff9eb88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/oxkitsune/rrd-surgery already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff647322379c48947c196639599067665ff9eb88" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
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[INFO] [stdout] warning: associated items `encode` and `decode` are never used
[INFO] [stdout]   --> src/codec.rs:21:19
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl MessageHeader {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub(crate) fn encode(&self, buf: &mut impl std::io::Write) -> Result<(), EncodeError> {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub(crate) fn decode(data: &mut impl std::io::Read) -> Result<Self, decoder::DecodeError> {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RRD_FOURCC` is never used
[INFO] [stdout]   --> src/codec.rs:64:7
[INFO] [stdout]    |
[INFO] [stdout] 64 | const RRD_FOURCC: [u8; 4] = *b"RRF2";
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OLD_RRD_FOURCC` is never used
[INFO] [stdout]   --> src/codec.rs:66:7
[INFO] [stdout]    |
[INFO] [stdout] 66 | const OLD_RRD_FOURCC: &[[u8; 4]] = &[*b"RRF0", *b"RRF1"];
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `fourcc`, `version`, and `options` are never read
[INFO] [stdout]   --> src/codec.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub(crate) struct FileHeader {
[INFO] [stdout]    |                   ---------- fields in this struct
[INFO] [stdout] 70 |     pub fourcc: [u8; 4],
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 71 |     pub version: [u8; 4],
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 72 |     pub options: EncodingOptions,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FileHeader` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `encode` and `decode` are never used
[INFO] [stdout]   --> src/codec.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 75 | impl FileHeader {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub fn encode(&self, write: &mut impl std::io::Write) -> Result<(), encoder::EncodeError> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91 |     pub fn decode(read: &mut impl std::io::Read) -> Result<Self, decoder::DecodeError> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `encode` and `decode` are never used
[INFO] [stdout]   --> src/codec.rs:21:19
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl MessageHeader {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub(crate) fn encode(&self, buf: &mut impl std::io::Write) -> Result<(), EncodeError> {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub(crate) fn decode(data: &mut impl std::io::Read) -> Result<Self, decoder::DecodeError> {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RRD_FOURCC` is never used
[INFO] [stdout]   --> src/codec.rs:64:7
[INFO] [stdout]    |
[INFO] [stdout] 64 | const RRD_FOURCC: [u8; 4] = *b"RRF2";
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OLD_RRD_FOURCC` is never used
[INFO] [stdout]   --> src/codec.rs:66:7
[INFO] [stdout]    |
[INFO] [stdout] 66 | const OLD_RRD_FOURCC: &[[u8; 4]] = &[*b"RRF0", *b"RRF1"];
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `fourcc`, `version`, and `options` are never read
[INFO] [stdout]   --> src/codec.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub(crate) struct FileHeader {
[INFO] [stdout]    |                   ---------- fields in this struct
[INFO] [stdout] 70 |     pub fourcc: [u8; 4],
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 71 |     pub version: [u8; 4],
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 72 |     pub options: EncodingOptions,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FileHeader` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `encode` and `decode` are never used
[INFO] [stdout]   --> src/codec.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 75 | impl FileHeader {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub fn encode(&self, write: &mut impl std::io::Write) -> Result<(), encoder::EncodeError> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91 |     pub fn decode(read: &mut impl std::io::Read) -> Result<Self, decoder::DecodeError> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `Command { std: "docker" "inspect" "cb676c0bd1efb54582440b182dfee7bfc788da2df8b6252bb927ab9a92e4d2e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb676c0bd1efb54582440b182dfee7bfc788da2df8b6252bb927ab9a92e4d2e1", kill_on_drop: false }`
[INFO] [stdout] cb676c0bd1efb54582440b182dfee7bfc788da2df8b6252bb927ab9a92e4d2e1
