[INFO] fetching crate mpu6000 0.3.0...
[INFO] checking mpu6000-0.3.0 against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3
[INFO] extracting crate mpu6000 0.3.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate mpu6000 0.3.0
[INFO] finished tweaking crates.io crate mpu6000 0.3.0
[INFO] tweaked toml for crates.io crate mpu6000 0.3.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mpu6000 0.3.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 12 packages to highest compatible versions
[INFO] [stderr]       Adding embedded-hal v0.2.7 (available: v1.0.0)
[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-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 76e114a87d13134d49f0f7e05ac897a0da458ae4c7e533d78a0d0b52c08f339d
[INFO] running `Command { std: "docker" "start" "76e114a87d13134d49f0f7e05ac897a0da458ae4c7e533d78a0d0b52c08f339d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76e114a87d13134d49f0f7e05ac897a0da458ae4c7e533d78a0d0b52c08f339d", 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" "76e114a87d13134d49f0f7e05ac897a0da458ae4c7e533d78a0d0b52c08f339d" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76e114a87d13134d49f0f7e05ac897a0da458ae4c7e533d78a0d0b52c08f339d", 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" "76e114a87d13134d49f0f7e05ac897a0da458ae4c7e533d78a0d0b52c08f339d" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]    Compiling fixed-point-macros v1.0.0
[INFO] [stderr]     Checking fixed-point v1.0.2
[INFO] [stderr]     Checking mpu6000 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `StubSPI` is never constructed
[INFO] [stdout]    --> src/lib.rs:210:12
[INFO] [stdout]     |
[INFO] [stdout] 210 |     struct StubSPI {}
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StubOutputPin` is never constructed
[INFO] [stdout]    --> src/lib.rs:229:12
[INFO] [stdout]     |
[INFO] [stdout] 229 |     struct StubOutputPin {}
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Nodelay` is never constructed
[INFO] [stdout]    --> src/lib.rs:241:12
[INFO] [stdout]     |
[INFO] [stdout] 241 |     struct Nodelay {}
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `u8`
[INFO] [stdout]   --> src/lib.rs:99:24
[INFO] [stdout]    |
[INFO] [stdout] 99 |         delay.delay_ms(150u8.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] 99 -         delay.delay_ms(150u8.into());
[INFO] [stdout] 99 +         delay.delay_ms(150u8);
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 99 -         delay.delay_ms(150u8.into());
[INFO] [stdout] 99 +         delay.delay_ms(<u8 as Into<_>>::into(150u8));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `u8`
[INFO] [stdout]    --> src/lib.rs:105:24
[INFO] [stdout]     |
[INFO] [stdout] 105 |         delay.delay_ms(150u8.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] 105 -         delay.delay_ms(150u8.into());
[INFO] [stdout] 105 +         delay.delay_ms(150u8);
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 105 -         delay.delay_ms(150u8.into());
[INFO] [stdout] 105 +         delay.delay_ms(<u8 as Into<_>>::into(150u8));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mpu6000` (lib) due to 2 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: useless conversion to the same type: `u8`
[INFO] [stdout]   --> src/lib.rs:99:24
[INFO] [stdout]    |
[INFO] [stdout] 99 |         delay.delay_ms(150u8.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] 99 -         delay.delay_ms(150u8.into());
[INFO] [stdout] 99 +         delay.delay_ms(150u8);
[INFO] [stdout]    |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]    |
[INFO] [stdout] 99 -         delay.delay_ms(150u8.into());
[INFO] [stdout] 99 +         delay.delay_ms(<u8 as Into<_>>::into(150u8));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `u8`
[INFO] [stdout]    --> src/lib.rs:105:24
[INFO] [stdout]     |
[INFO] [stdout] 105 |         delay.delay_ms(150u8.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] 105 -         delay.delay_ms(150u8.into());
[INFO] [stdout] 105 +         delay.delay_ms(150u8);
[INFO] [stdout]     |
[INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint
[INFO] [stdout]     |
[INFO] [stdout] 105 -         delay.delay_ms(150u8.into());
[INFO] [stdout] 105 +         delay.delay_ms(<u8 as Into<_>>::into(150u8));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mpu6000` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "76e114a87d13134d49f0f7e05ac897a0da458ae4c7e533d78a0d0b52c08f339d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76e114a87d13134d49f0f7e05ac897a0da458ae4c7e533d78a0d0b52c08f339d", kill_on_drop: false }`
[INFO] [stdout] 76e114a87d13134d49f0f7e05ac897a0da458ae4c7e533d78a0d0b52c08f339d
