[INFO] fetching crate nairud 0.13.4...
[INFO] checking nairud-0.13.4 against 52995a223f2919dd3e2e427231db90a257350ded for pr-129249-4
[INFO] extracting crate nairud 0.13.4 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate nairud 0.13.4
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate nairud 0.13.4
[INFO] tweaked toml for crates.io crate nairud 0.13.4 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nairud 0.13.4 on toolchain 52995a223f2919dd3e2e427231db90a257350ded
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate nairud 0.13.4 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" "+52995a223f2919dd3e2e427231db90a257350ded" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:c0af3998e971868164375a7dfb646c9933ddd1a3bdb00fa2041266763dc1eeab" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 6d33dc8501256ca629523d5856184a7aaaac9ce830f32c03b3317a17cc1204f9
[INFO] running `Command { std: "docker" "start" "6d33dc8501256ca629523d5856184a7aaaac9ce830f32c03b3317a17cc1204f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d33dc8501256ca629523d5856184a7aaaac9ce830f32c03b3317a17cc1204f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6d33dc8501256ca629523d5856184a7aaaac9ce830f32c03b3317a17cc1204f9" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d33dc8501256ca629523d5856184a7aaaac9ce830f32c03b3317a17cc1204f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6d33dc8501256ca629523d5856184a7aaaac9ce830f32c03b3317a17cc1204f9" "/opt/rustwide/cargo-home/bin/cargo" "+52995a223f2919dd3e2e427231db90a257350ded" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling zeros v22.0.1
[INFO] [stderr]    Compiling nairud v0.13.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking mio v1.2.2
[INFO] [stderr]     Checking tokio v1.53.1
[INFO] [stdout] error: useless conversion to the same type: `error::Error`
[INFO] [stdout]    --> src/nairud.rs:195:22
[INFO] [stdout]     |
[INFO] [stdout] 190 | macro_rules! decode { ($stream: ident, $decode_options: ident) => {{
[INFO] [stdout] ...
[INFO] [stdout] 195 |             _ => Err(err.into()),
[INFO] [stdout]     |                      ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 373 |         decode!(stream, decode_options)
[INFO] [stdout]     |         ------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: you can instead use the fully-qualified path `<error::Error as Into<error::Error>::into(val) to avoid triggering this lint
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nairud` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6d33dc8501256ca629523d5856184a7aaaac9ce830f32c03b3317a17cc1204f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d33dc8501256ca629523d5856184a7aaaac9ce830f32c03b3317a17cc1204f9", kill_on_drop: false }`
[INFO] [stdout] 6d33dc8501256ca629523d5856184a7aaaac9ce830f32c03b3317a17cc1204f9
