[INFO] fetching crate max6639 0.2.0...
[INFO] checking max6639-0.2.0 against try#21cad1f647cfd05a566220f933edd88a53e50bcf for pr-129249-1
[INFO] extracting crate max6639 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate max6639 0.2.0
[INFO] finished tweaking crates.io crate max6639 0.2.0
[INFO] tweaked toml for crates.io crate max6639 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate max6639 0.2.0 on toolchain 21cad1f647cfd05a566220f933edd88a53e50bcf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+21cad1f647cfd05a566220f933edd88a53e50bcf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+21cad1f647cfd05a566220f933edd88a53e50bcf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+21cad1f647cfd05a566220f933edd88a53e50bcf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 36ac476c0409ee7ee836dd90f9ca4c90f3cc835d17e377c28c1adb2e4afd870e
[INFO] running `Command { std: "docker" "start" "36ac476c0409ee7ee836dd90f9ca4c90f3cc835d17e377c28c1adb2e4afd870e", 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" "36ac476c0409ee7ee836dd90f9ca4c90f3cc835d17e377c28c1adb2e4afd870e" "/opt/rustwide/cargo-home/bin/cargo" "+21cad1f647cfd05a566220f933edd88a53e50bcf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36ac476c0409ee7ee836dd90f9ca4c90f3cc835d17e377c28c1adb2e4afd870e", 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" "36ac476c0409ee7ee836dd90f9ca4c90f3cc835d17e377c28c1adb2e4afd870e" "/opt/rustwide/cargo-home/bin/cargo" "+21cad1f647cfd05a566220f933edd88a53e50bcf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking embedded-hal v1.0.0
[INFO] [stderr]     Checking bit_field v0.10.3
[INFO] [stderr]     Checking max6639 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: useless conversion to the same type: `<I2C as embedded_hal::i2c::ErrorType>::Error`
[INFO] [stdout]    --> src/lib.rs:117:28
[INFO] [stdout]     |
[INFO] [stdout] 117 |             .map_err(|err| err.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: you can instead use the fully-qualified path `<<I2C as embedded_hal::i2c::ErrorType>::Error as Into<<I2C as embedded_hal::i2c::ErrorType>::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 `max6639` (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: `<I2C as embedded_hal::i2c::ErrorType>::Error`
[INFO] [stdout]    --> src/lib.rs:117:28
[INFO] [stdout]     |
[INFO] [stdout] 117 |             .map_err(|err| err.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: you can instead use the fully-qualified path `<<I2C as embedded_hal::i2c::ErrorType>::Error as Into<<I2C as embedded_hal::i2c::ErrorType>::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 `max6639` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "36ac476c0409ee7ee836dd90f9ca4c90f3cc835d17e377c28c1adb2e4afd870e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36ac476c0409ee7ee836dd90f9ca4c90f3cc835d17e377c28c1adb2e4afd870e", kill_on_drop: false }`
[INFO] [stdout] 36ac476c0409ee7ee836dd90f9ca4c90f3cc835d17e377c28c1adb2e4afd870e
