[INFO] fetching crate mpu9250-i2c 0.6.8...
[INFO] checking mpu9250-i2c-0.6.8 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate mpu9250-i2c 0.6.8 into /workspace/builds/worker-50/source
[INFO] validating manifest of crates.io crate mpu9250-i2c 0.6.8 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-50/source/.cargo/config
[INFO] started tweaking crates.io crate mpu9250-i2c 0.6.8
[INFO] finished tweaking crates.io crate mpu9250-i2c 0.6.8
[INFO] tweaked toml for crates.io crate mpu9250-i2c 0.6.8 written to /workspace/builds/worker-50/source/Cargo.toml
[INFO] crate crates.io crate mpu9250-i2c 0.6.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.0.60
[INFO] [stderr]   Downloaded generic-array v0.11.1
[INFO] [stderr]   Downloaded madgwick v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d94a0bd097aea97ed7e641d48d23a6ad85b74bb5cd6c1fd80575b3f951bd3807
[INFO] running `Command { std: "docker" "start" "-a" "d94a0bd097aea97ed7e641d48d23a6ad85b74bb5cd6c1fd80575b3f951bd3807", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d94a0bd097aea97ed7e641d48d23a6ad85b74bb5cd6c1fd80575b3f951bd3807", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d94a0bd097aea97ed7e641d48d23a6ad85b74bb5cd6c1fd80575b3f951bd3807", kill_on_drop: false }`
[INFO] [stdout] d94a0bd097aea97ed7e641d48d23a6ad85b74bb5cd6c1fd80575b3f951bd3807
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ece9a434079f4d326df47769dcfab59ab19418cc4bfe1db14ca80ee35c2bc9fd
[INFO] running `Command { std: "docker" "start" "-a" "ece9a434079f4d326df47769dcfab59ab19418cc4bfe1db14ca80ee35c2bc9fd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking bitflags v0.3.3
[INFO] [stderr]     Checking m v0.1.1
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking mpu9250-i2c v0.6.8 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking generic-array v0.11.1
[INFO] [stderr]     Checking mat v0.2.0
[INFO] [stderr]     Checking madgwick v0.1.1
[INFO] [stderr]     Checking spidev v0.3.0
[INFO] [stderr]     Checking sysfs_gpio v0.5.4
[INFO] [stderr]     Checking i2cdev v0.4.4
[INFO] [stderr]     Checking linux-embedded-hal v0.2.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.78s
[INFO] running `Command { std: "docker" "inspect" "ece9a434079f4d326df47769dcfab59ab19418cc4bfe1db14ca80ee35c2bc9fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ece9a434079f4d326df47769dcfab59ab19418cc4bfe1db14ca80ee35c2bc9fd", kill_on_drop: false }`
[INFO] [stdout] ece9a434079f4d326df47769dcfab59ab19418cc4bfe1db14ca80ee35c2bc9fd