[INFO] fetching crate modbus-rtu 1.3.1...
[INFO] checking modbus-rtu-1.3.1 against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] extracting crate modbus-rtu 1.3.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate modbus-rtu 1.3.1
[INFO] finished tweaking crates.io crate modbus-rtu 1.3.1
[INFO] tweaked toml for crates.io crate modbus-rtu 1.3.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate modbus-rtu 1.3.1 on toolchain a5689b034ad287112f709693384a37f1377eb9cc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate modbus-rtu 1.3.1 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" "+a5689b034ad287112f709693384a37f1377eb9cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ddd9150fb6f299f52e8e04d3745e6a3f65ebc6da6b140a6205f94d19be99afb6
[INFO] running `Command { std: "docker" "start" "ddd9150fb6f299f52e8e04d3745e6a3f65ebc6da6b140a6205f94d19be99afb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddd9150fb6f299f52e8e04d3745e6a3f65ebc6da6b140a6205f94d19be99afb6", 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" "ddd9150fb6f299f52e8e04d3745e6a3f65ebc6da6b140a6205f94d19be99afb6" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddd9150fb6f299f52e8e04d3745e6a3f65ebc6da6b140a6205f94d19be99afb6", 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" "ddd9150fb6f299f52e8e04d3745e6a3f65ebc6da6b140a6205f94d19be99afb6" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking futures-sink v0.3.32
[INFO] [stderr]     Checking futures-core v0.3.32
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking futures-io v0.3.32
[INFO] [stderr]     Checking futures-channel v0.3.32
[INFO] [stderr]     Checking log v0.4.29
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking bitflags v2.11.0
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking mio v1.1.1
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking socket2 v0.6.3
[INFO] [stderr]     Checking libudev v0.3.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling tokio-macros v2.6.1
[INFO] [stderr]     Checking tokio v1.50.0
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]     Checking thiserror v2.0.18
[INFO] [stderr]     Checking unescaper v0.1.8
[INFO] [stderr]     Checking serialport v4.8.1
[INFO] [stderr]     Checking mio-serial v5.0.6
[INFO] [stderr]     Checking futures-executor v0.3.32
[INFO] [stderr]     Checking futures v0.3.32
[INFO] [stderr]     Checking tokio-serial v5.4.5
[INFO] [stderr]     Checking modbus-rtu v1.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: useless conversion to the same type: `std::io::Error`
[INFO] [stdout]    --> src/master/sync.rs:136:50
[INFO] [stdout]     |
[INFO] [stdout] 136 |             .map_err(|e| crate::error::Error::IO(e.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] 136 -             .map_err(|e| crate::error::Error::IO(e.into()))?;
[INFO] [stdout] 136 +             .map_err(|e| crate::error::Error::IO(e))?;
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 136 -             .map_err(|e| crate::error::Error::IO(e.into()))?;
[INFO] [stdout] 136 +             .map_err(|e| crate::error::Error::IO(<std::io::Error as Into<_>>::into(e)))?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `std::io::Error`
[INFO] [stdout]    --> src/master/sync.rs:163:62
[INFO] [stdout]     |
[INFO] [stdout] 163 |                 Err(e) => return Err(crate::error::Error::IO(e.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] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 163 -                 Err(e) => return Err(crate::error::Error::IO(e.into())),
[INFO] [stdout] 163 +                 Err(e) => return Err(crate::error::Error::IO(e)),
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 163 -                 Err(e) => return Err(crate::error::Error::IO(e.into())),
[INFO] [stdout] 163 +                 Err(e) => return Err(crate::error::Error::IO(<std::io::Error as Into<_>>::into(e))),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `std::io::Error`
[INFO] [stdout]    --> src/master/sync.rs:136:50
[INFO] [stdout]     |
[INFO] [stdout] 136 |             .map_err(|e| crate::error::Error::IO(e.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] 136 -             .map_err(|e| crate::error::Error::IO(e.into()))?;
[INFO] [stdout] 136 +             .map_err(|e| crate::error::Error::IO(e))?;
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 136 -             .map_err(|e| crate::error::Error::IO(e.into()))?;
[INFO] [stdout] 136 +             .map_err(|e| crate::error::Error::IO(<std::io::Error as Into<_>>::into(e)))?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `std::io::Error`
[INFO] [stdout]    --> src/master/sync.rs:163:62
[INFO] [stdout]     |
[INFO] [stdout] 163 |                 Err(e) => return Err(crate::error::Error::IO(e.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] help: consider removing the conversion call
[INFO] [stdout]     |
[INFO] [stdout] 163 -                 Err(e) => return Err(crate::error::Error::IO(e.into())),
[INFO] [stdout] 163 +                 Err(e) => return Err(crate::error::Error::IO(e)),
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 163 -                 Err(e) => return Err(crate::error::Error::IO(e.into())),
[INFO] [stdout] 163 +                 Err(e) => return Err(crate::error::Error::IO(<std::io::Error as Into<_>>::into(e))),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `modbus-rtu` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `modbus-rtu` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ddd9150fb6f299f52e8e04d3745e6a3f65ebc6da6b140a6205f94d19be99afb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddd9150fb6f299f52e8e04d3745e6a3f65ebc6da6b140a6205f94d19be99afb6", kill_on_drop: false }`
[INFO] [stdout] ddd9150fb6f299f52e8e04d3745e6a3f65ebc6da6b140a6205f94d19be99afb6
