[INFO] fetching crate mpu6000 0.3.0...
[INFO] testing mpu6000-0.3.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate mpu6000 0.3.0 into /workspace/builds/worker-3-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mpu6000 0.3.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fixed-point-macros v1.0.0
[INFO] [stderr]   Downloaded fixed-point v1.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08897ce0a32daacf9aac7d9e1682b3d2903b349fde60d15281f2bbec6b9b781c
[INFO] running `Command { std: "docker" "start" "-a" "08897ce0a32daacf9aac7d9e1682b3d2903b349fde60d15281f2bbec6b9b781c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08897ce0a32daacf9aac7d9e1682b3d2903b349fde60d15281f2bbec6b9b781c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08897ce0a32daacf9aac7d9e1682b3d2903b349fde60d15281f2bbec6b9b781c", kill_on_drop: false }`
[INFO] [stdout] 08897ce0a32daacf9aac7d9e1682b3d2903b349fde60d15281f2bbec6b9b781c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5f0d65538221b1676ff3940b04bd12c4deb7c6d6d2479a1c751f4fd248234e5
[INFO] running `Command { std: "docker" "start" "-a" "d5f0d65538221b1676ff3940b04bd12c4deb7c6d6d2479a1c751f4fd248234e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling fixed-point-macros v1.0.0
[INFO] [stderr]    Compiling fixed-point v1.0.2
[INFO] [stderr]    Compiling 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.99s
[INFO] running `Command { std: "docker" "inspect" "d5f0d65538221b1676ff3940b04bd12c4deb7c6d6d2479a1c751f4fd248234e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5f0d65538221b1676ff3940b04bd12c4deb7c6d6d2479a1c751f4fd248234e5", kill_on_drop: false }`
[INFO] [stdout] d5f0d65538221b1676ff3940b04bd12c4deb7c6d6d2479a1c751f4fd248234e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a010712d14ee7709003340908043e1519921dd9a46fc4b33551d8983c8f39ee6
[INFO] running `Command { std: "docker" "start" "-a" "a010712d14ee7709003340908043e1519921dd9a46fc4b33551d8983c8f39ee6", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "a010712d14ee7709003340908043e1519921dd9a46fc4b33551d8983c8f39ee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a010712d14ee7709003340908043e1519921dd9a46fc4b33551d8983c8f39ee6", kill_on_drop: false }`
[INFO] [stdout] a010712d14ee7709003340908043e1519921dd9a46fc4b33551d8983c8f39ee6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ba5163af9ea00d0d7114c9ccd222222cc7713618aa74194a75adb235d4b32e8a
[INFO] running `Command { std: "docker" "start" "-a" "ba5163af9ea00d0d7114c9ccd222222cc7713618aa74194a75adb235d4b32e8a", kill_on_drop: false }`
[INFO] [stderr] warning: struct `StubSPI` is never constructed
[INFO] [stdout] 
[INFO] [stderr]    --> src/lib.rs:210:12
[INFO] [stdout] running 2 tests
[INFO] [stderr]     |
[INFO] [stderr] 210 |     struct StubSPI {}
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `StubOutputPin` is never constructed
[INFO] [stderr]    --> src/lib.rs:229:12
[INFO] [stderr]     |
[INFO] [stderr] 229 |     struct StubOutputPin {}
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Nodelay` is never constructed
[INFO] [stderr]    --> src/lib.rs:241:12
[INFO] [stderr]     |
[INFO] [stderr] 241 |     struct Nodelay {}
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `mpu6000` (lib) generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mpu6000-f87e1a298a8980a9)
[INFO] [stderr]    Doc-tests mpu6000
[INFO] [stdout] test test::test_functional ... ok
[INFO] [stdout] test test::test_macro ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ba5163af9ea00d0d7114c9ccd222222cc7713618aa74194a75adb235d4b32e8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba5163af9ea00d0d7114c9ccd222222cc7713618aa74194a75adb235d4b32e8a", kill_on_drop: false }`
[INFO] [stdout] ba5163af9ea00d0d7114c9ccd222222cc7713618aa74194a75adb235d4b32e8a