[INFO] fetching crate mpu6000 0.3.0...
[INFO] checking mpu6000-0.3.0 against try#9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869 for pr-129249
[INFO] extracting crate mpu6000 0.3.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate mpu6000 0.3.0 on toolchain 9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 12 packages to latest 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" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b55497eb15c19132498b447108cdf64d08fc64f8ca5f546a294b2f5ade41ae1
[INFO] running `Command { std: "docker" "start" "-a" "3b55497eb15c19132498b447108cdf64d08fc64f8ca5f546a294b2f5ade41ae1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b55497eb15c19132498b447108cdf64d08fc64f8ca5f546a294b2f5ade41ae1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b55497eb15c19132498b447108cdf64d08fc64f8ca5f546a294b2f5ade41ae1", kill_on_drop: false }`
[INFO] [stdout] 3b55497eb15c19132498b447108cdf64d08fc64f8ca5f546a294b2f5ade41ae1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 778a044a0adada693e47284ad31a7d82f319f43d09bcb8e6a25a3ad7460d76cf
[INFO] running `Command { std: "docker" "start" "-a" "778a044a0adada693e47284ad31a7d82f319f43d09bcb8e6a25a3ad7460d76cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling autocfg v1.4.0
[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 num-traits v0.2.19
[INFO] [stderr]    Compiling quote v1.0.38
[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)]` 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: this conversion is useless `u8` to `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: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `u8` to `u8`
[INFO] [stdout]    --> src/lib.rs:105:24
[INFO] [stdout]     |
[INFO] [stdout] 105 |         delay.delay_ms(150u8.into());
[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: this conversion is useless `u8` to `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: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `u8` to `u8`
[INFO] [stdout]    --> src/lib.rs:105:24
[INFO] [stdout]     |
[INFO] [stdout] 105 |         delay.delay_ms(150u8.into());
[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" "778a044a0adada693e47284ad31a7d82f319f43d09bcb8e6a25a3ad7460d76cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "778a044a0adada693e47284ad31a7d82f319f43d09bcb8e6a25a3ad7460d76cf", kill_on_drop: false }`
[INFO] [stdout] 778a044a0adada693e47284ad31a7d82f319f43d09bcb8e6a25a3ad7460d76cf