[INFO] crate mpu9250-i2c 0.6.6 is already in cache
[INFO] testing mpu9250-i2c-0.6.6 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate mpu9250-i2c 0.6.6 into work/builds/worker-7/source
[INFO] validating manifest of crates.io crate mpu9250-i2c 0.6.6 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mpu9250-i2c 0.6.6
[INFO] finished tweaking crates.io crate mpu9250-i2c 0.6.6
[INFO] tweaked toml for crates.io crate mpu9250-i2c 0.6.6 written to work/builds/worker-7/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 8bfb07d2256a04dcfa9e0e23972941a642a429a57331caf1d56513502624b435
[INFO] running `"docker" "start" "-a" "8bfb07d2256a04dcfa9e0e23972941a642a429a57331caf1d56513502624b435"`
[INFO] [stderr]    Compiling embedded-hal v0.2.3
[INFO] [stderr]    Compiling mpu9250-i2c v0.6.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "8bfb07d2256a04dcfa9e0e23972941a642a429a57331caf1d56513502624b435"`
[INFO] running `"docker" "rm" "-f" "8bfb07d2256a04dcfa9e0e23972941a642a429a57331caf1d56513502624b435"`
[INFO] [stdout] 8bfb07d2256a04dcfa9e0e23972941a642a429a57331caf1d56513502624b435
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5808878e3dee2302118613c3fb87567516d4fc31f1faa068e655d92bed7ea8b0
[INFO] running `"docker" "start" "-a" "5808878e3dee2302118613c3fb87567516d4fc31f1faa068e655d92bed7ea8b0"`
[INFO] [stderr]    Compiling m v0.1.1
[INFO] [stderr]    Compiling i2cdev v0.4.2
[INFO] [stderr]    Compiling mat v0.2.0
[INFO] [stderr]    Compiling madgwick v0.1.1
[INFO] [stderr]    Compiling linux-embedded-hal v0.2.2
[INFO] [stderr]    Compiling mpu9250-i2c v0.6.6 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> examples/calibrate.rs:307:9
[INFO] [stderr]     |
[INFO] [stderr] 307 |     let mut vm = mpu9250.get_mag().unwrap();
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.45s
[INFO] running `"docker" "inspect" "5808878e3dee2302118613c3fb87567516d4fc31f1faa068e655d92bed7ea8b0"`
[INFO] running `"docker" "rm" "-f" "5808878e3dee2302118613c3fb87567516d4fc31f1faa068e655d92bed7ea8b0"`
[INFO] [stdout] 5808878e3dee2302118613c3fb87567516d4fc31f1faa068e655d92bed7ea8b0
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] e13db37d74dcc7e052445c9cbed52609d275e1111e0952a21cbef72e9bfaa1f3
[INFO] running `"docker" "start" "-a" "e13db37d74dcc7e052445c9cbed52609d275e1111e0952a21cbef72e9bfaa1f3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mpu9250_i2c-3fcf206f66cffd44
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mpu9250-i2c
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 47) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs -  (line 47) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: unresolved import
[INFO] [stdout]  --> src/lib.rs:51:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use mpu9250::{calibration::Calibration, Mpu9250};
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     unresolved import
[INFO] [stdout]   |     help: a similar path exists: `mpu9250_i2c::mpu9250`
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `mpu9250`
[INFO] [stdout]  --> src/lib.rs:51:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use mpu9250::{calibration::Calibration, Mpu9250};
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     unresolved import
[INFO] [stdout]   |     help: a similar path exists: `mpu9250_i2c::mpu9250`
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `Calibration` in this scope
[INFO] [stdout]   --> src/lib.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |   let cal = Calibration {
[INFO] [stdout]    |             ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] help: possible candidate is found in another module, you can import it into scope
[INFO] [stdout]    |
[INFO] [stdout] 4  | use mpu9250_i2c::calibration::Calibration;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0422, E0432, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0422`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs -  (line 47)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "e13db37d74dcc7e052445c9cbed52609d275e1111e0952a21cbef72e9bfaa1f3"`
[INFO] running `"docker" "rm" "-f" "e13db37d74dcc7e052445c9cbed52609d275e1111e0952a21cbef72e9bfaa1f3"`
[INFO] [stdout] e13db37d74dcc7e052445c9cbed52609d275e1111e0952a21cbef72e9bfaa1f3