[INFO] fetching crate rpc-core 0.3.2...
[INFO] checking rpc-core-0.3.2 against c60b92c03ca8a3b101eb9d57f51e2232690638c7 for pr-164148-crater-rollup
[INFO] extracting crate rpc-core 0.3.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate rpc-core 0.3.2
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rpc-core 0.3.2
[INFO] tweaked toml for crates.io crate rpc-core 0.3.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rpc-core 0.3.2 on toolchain c60b92c03ca8a3b101eb9d57f51e2232690638c7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rpc-core 0.3.2 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" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "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-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 2064b83325f5ea9c61343d4711b5e4abd00ce04af3de43217038f9796e8aeea5
[INFO] running `Command { std: "docker" "start" "2064b83325f5ea9c61343d4711b5e4abd00ce04af3de43217038f9796e8aeea5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2064b83325f5ea9c61343d4711b5e4abd00ce04af3de43217038f9796e8aeea5", 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" "2064b83325f5ea9c61343d4711b5e4abd00ce04af3de43217038f9796e8aeea5" "/opt/rustwide/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2064b83325f5ea9c61343d4711b5e4abd00ce04af3de43217038f9796e8aeea5", 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" "2064b83325f5ea9c61343d4711b5e4abd00ce04af3de43217038f9796e8aeea5" "/opt/rustwide/cargo-home/bin/cargo" "+c60b92c03ca8a3b101eb9d57f51e2232690638c7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling rustix v0.38.28
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking linux-raw-sys v0.4.12
[INFO] [stderr]    Compiling serde_json v1.0.110
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking termcolor v1.4.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking is-terminal v0.4.10
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking env_logger v0.10.1
[INFO] [stderr]     Checking rpc-core v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: useless conversion to the same type: `Vec<u8>` rpc_core
[INFO] [stdout]   --> src/detail/msg_wrapper.rs:64:20
[INFO] [stdout]    |
[INFO] [stdout] 64 |         msg.data = serde_json::to_string(&rsp).unwrap().into_bytes().into();
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 64 -         msg.data = serde_json::to_string(&rsp).unwrap().into_bytes().into();
[INFO] [stdout] 64 +         msg.data = serde_json::to_string(&rsp).unwrap().into_bytes();
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 64 -         msg.data = serde_json::to_string(&rsp).unwrap().into_bytes().into();
[INFO] [stdout] 64 +         msg.data = <Vec<u8> as Into<_>>::into(serde_json::to_string(&rsp).unwrap().into_bytes());
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rpc-core` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: useless conversion to the same type: `Vec<u8>` rpc_core
[INFO] [stdout]   --> src/detail/msg_wrapper.rs:64:20
[INFO] [stdout]    |
[INFO] [stdout] 64 |         msg.data = serde_json::to_string(&rsp).unwrap().into_bytes().into();
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] help: consider removing the conversion call
[INFO] [stdout]    |
[INFO] [stdout] 64 -         msg.data = serde_json::to_string(&rsp).unwrap().into_bytes().into();
[INFO] [stdout] 64 +         msg.data = serde_json::to_string(&rsp).unwrap().into_bytes();
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 64 -         msg.data = serde_json::to_string(&rsp).unwrap().into_bytes().into();
[INFO] [stdout] 64 +         msg.data = <Vec<u8> as Into<_>>::into(serde_json::to_string(&rsp).unwrap().into_bytes());
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rpc-core` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "2064b83325f5ea9c61343d4711b5e4abd00ce04af3de43217038f9796e8aeea5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2064b83325f5ea9c61343d4711b5e4abd00ce04af3de43217038f9796e8aeea5", kill_on_drop: false }`
[INFO] [stdout] 2064b83325f5ea9c61343d4711b5e4abd00ce04af3de43217038f9796e8aeea5
