[INFO] crate mpu6050 0.1.3 is already in cache [INFO] extracting crate mpu6050 0.1.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/mpu6050/0.1.3 [INFO] extracting crate mpu6050 0.1.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mpu6050/0.1.3 [INFO] validating manifest of mpu6050-0.1.3 on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of mpu6050-0.1.3 on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing mpu6050-0.1.3 [INFO] finished frobbing mpu6050-0.1.3 [INFO] frobbed toml for mpu6050-0.1.3 written to work/ex/beta-1.38-1/sources/1.37.0/reg/mpu6050/0.1.3/Cargo.toml [INFO] started frobbing mpu6050-0.1.3 [INFO] finished frobbing mpu6050-0.1.3 [INFO] frobbed toml for mpu6050-0.1.3 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mpu6050/0.1.3/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing mpu6050-0.1.3 against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mpu6050/0.1.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 8cdad45c87e2958783a74f1357e0b5c4c011bb56d3b4db1d7707added4decb4a [INFO] running `"docker" "start" "-a" "8cdad45c87e2958783a74f1357e0b5c4c011bb56d3b4db1d7707added4decb4a"` [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling alga v0.9.1 [INFO] [stderr] Compiling nalgebra v0.18.0 [INFO] [stderr] Compiling mpu6050 v0.1.3 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 34.57s [INFO] running `"docker" "inspect" "8cdad45c87e2958783a74f1357e0b5c4c011bb56d3b4db1d7707added4decb4a"` [INFO] running `"docker" "rm" "-f" "8cdad45c87e2958783a74f1357e0b5c4c011bb56d3b4db1d7707added4decb4a"` [INFO] [stdout] 8cdad45c87e2958783a74f1357e0b5c4c011bb56d3b4db1d7707added4decb4a [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mpu6050/0.1.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] c1b037d9ed7a948e824ee68e07279d70f2c8b402510988d9878d1975e30743f2 [INFO] running `"docker" "start" "-a" "c1b037d9ed7a948e824ee68e07279d70f2c8b402510988d9878d1975e30743f2"` [INFO] [stderr] Compiling mpu6050 v0.1.3 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.09s [INFO] running `"docker" "inspect" "c1b037d9ed7a948e824ee68e07279d70f2c8b402510988d9878d1975e30743f2"` [INFO] running `"docker" "rm" "-f" "c1b037d9ed7a948e824ee68e07279d70f2c8b402510988d9878d1975e30743f2"` [INFO] [stdout] c1b037d9ed7a948e824ee68e07279d70f2c8b402510988d9878d1975e30743f2 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mpu6050/0.1.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] 218acd6600d7008d2632458e94fbad284ee480496b1f3b747e0f5daf8f9ae5e5 [INFO] running `"docker" "start" "-a" "218acd6600d7008d2632458e94fbad284ee480496b1f3b747e0f5daf8f9ae5e5"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/crater/target/debug/deps/mpu6050-fc70f0c99cf37b1c [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::test_nalgebra ... ok [INFO] [stdout] test tests::test_unit_conv ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests mpu6050 [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 7) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 7) stdout ---- [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `I2cdev` [INFO] [stdout] --> src/lib.rs:8:11 [INFO] [stdout] | [INFO] [stdout] 3 | let i2c = I2cdev::new("/dev/i2c-1") [INFO] [stdout] | ^^^^^^ use of undeclared type or module `I2cdev` [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Mpu6050Error` [INFO] [stdout] --> src/lib.rs:9:14 [INFO] [stdout] | [INFO] [stdout] 4 | .map_err(Mpu6050Error::I2c)?; [INFO] [stdout] | ^^^^^^^^^^^^ use of undeclared type or module `Mpu6050Error` [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Mpu6050` [INFO] [stdout] --> src/lib.rs:13:15 [INFO] [stdout] | [INFO] [stdout] 8 | let mut mpu = Mpu6050::new(i2c, delay); [INFO] [stdout] | ^^^^^^^ use of undeclared type or module `Mpu6050` [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find value `Delay` in this scope [INFO] [stdout] --> src/lib.rs:11:13 [INFO] [stdout] | [INFO] [stdout] 6 | let delay = Delay; [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] 2 | use linux_embedded_hal::Delay; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find function `Steps` in this scope [INFO] [stdout] --> src/lib.rs:15:16 [INFO] [stdout] | [INFO] [stdout] 10 | mpu.soft_calib(Steps(100))?; [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] 2 | use mpu6050::Steps; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find function `Steps` in this scope [INFO] [stdout] --> src/lib.rs:16:19 [INFO] [stdout] | [INFO] [stdout] 11 | mpu.calc_variance(Steps(50))?; [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] 2 | use mpu6050::Steps; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find function `Steps` in this scope [INFO] [stdout] --> src/lib.rs:25:34 [INFO] [stdout] | [INFO] [stdout] 20 | let acc = mpu.get_acc_angles_avg(Steps(5))?; [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] 2 | use mpu6050::Steps; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find function `Steps` in this scope [INFO] [stdout] --> src/lib.rs:31:29 [INFO] [stdout] | [INFO] [stdout] 26 | let temp = mpu.get_temp_avg(Steps(5))?; [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] 2 | use mpu6050::Steps; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find function `Steps` in this scope [INFO] [stdout] --> src/lib.rs:37:29 [INFO] [stdout] | [INFO] [stdout] 32 | let gyro = mpu.get_gyro_avg(Steps(5))?; [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] 2 | use mpu6050::Steps; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find function `Steps` in this scope [INFO] [stdout] --> src/lib.rs:43:27 [INFO] [stdout] | [INFO] [stdout] 38 | let acc = mpu.get_acc_avg(Steps(5))?; [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] 2 | use mpu6050::Steps; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `std::ops::Try`) [INFO] [stdout] --> src/lib.rs:8:11 [INFO] [stdout] | [INFO] [stdout] 3 | let i2c = I2cdev::new("/dev/i2c-1") [INFO] [stdout] | ___________^ [INFO] [stdout] 4 | | .map_err(Mpu6050Error::I2c)?; [INFO] [stdout] | |________________________________^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] | [INFO] [stdout] = help: the trait `std::ops::Try` is not implemented for `()` [INFO] [stdout] = note: required by `std::ops::Try::from_error` [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `std::ops::Try`) [INFO] [stdout] --> src/lib.rs:14:1 [INFO] [stdout] | [INFO] [stdout] 9 | mpu.init()?; [INFO] [stdout] | ^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] | [INFO] [stdout] = help: the trait `std::ops::Try` is not implemented for `()` [INFO] [stdout] = note: required by `std::ops::Try::from_error` [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `std::ops::Try`) [INFO] [stdout] --> src/lib.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 10 | mpu.soft_calib(Steps(100))?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] | [INFO] [stdout] = help: the trait `std::ops::Try` is not implemented for `()` [INFO] [stdout] = note: required by `std::ops::Try::from_error` [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `std::ops::Try`) [INFO] [stdout] --> src/lib.rs:16:1 [INFO] [stdout] | [INFO] [stdout] 11 | mpu.calc_variance(Steps(50))?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] | [INFO] [stdout] = help: the trait `std::ops::Try` is not implemented for `()` [INFO] [stdout] = note: required by `std::ops::Try::from_error` [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `std::ops::Try`) [INFO] [stdout] --> src/lib.rs:22:11 [INFO] [stdout] | [INFO] [stdout] 17 | let acc = mpu.get_acc_angles()?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] | [INFO] [stdout] = help: the trait `std::ops::Try` is not implemented for `()` [INFO] [stdout] = note: required by `std::ops::Try::from_error` [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `std::ops::Try`) [INFO] [stdout] --> src/lib.rs:25:11 [INFO] [stdout] | [INFO] [stdout] 20 | let acc = mpu.get_acc_angles_avg(Steps(5))?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] | [INFO] [stdout] = help: the trait `std::ops::Try` is not implemented for `()` [INFO] [stdout] = note: required by `std::ops::Try::from_error` [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `std::ops::Try`) [INFO] [stdout] --> src/lib.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 23 | let temp = mpu.get_temp()?; [INFO] [stdout] | ^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] | [INFO] [stdout] = help: the trait `std::ops::Try` is not implemented for `()` [INFO] [stdout] = note: required by `std::ops::Try::from_error` [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `std::ops::Try`) [INFO] [stdout] --> src/lib.rs:31:12 [INFO] [stdout] | [INFO] [stdout] 26 | let temp = mpu.get_temp_avg(Steps(5))?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] | [INFO] [stdout] = help: the trait `std::ops::Try` is not implemented for `()` [INFO] [stdout] = note: required by `std::ops::Try::from_error` [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `std::ops::Try`) [INFO] [stdout] --> src/lib.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 29 | let gyro = mpu.get_gyro()?; [INFO] [stdout] | ^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] | [INFO] [stdout] = help: the trait `std::ops::Try` is not implemented for `()` [INFO] [stdout] = note: required by `std::ops::Try::from_error` [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `std::ops::Try`) [INFO] [stdout] --> src/lib.rs:37:12 [INFO] [stdout] | [INFO] [stdout] 32 | let gyro = mpu.get_gyro_avg(Steps(5))?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] | [INFO] [stdout] = help: the trait `std::ops::Try` is not implemented for `()` [INFO] [stdout] = note: required by `std::ops::Try::from_error` [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `std::ops::Try`) [INFO] [stdout] --> src/lib.rs:40:11 [INFO] [stdout] | [INFO] [stdout] 35 | let acc = mpu.get_acc()?; [INFO] [stdout] | ^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] | [INFO] [stdout] = help: the trait `std::ops::Try` is not implemented for `()` [INFO] [stdout] = note: required by `std::ops::Try::from_error` [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `std::ops::Try`) [INFO] [stdout] --> src/lib.rs:43:11 [INFO] [stdout] | [INFO] [stdout] 38 | let acc = mpu.get_acc_avg(Steps(5))?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] | [INFO] [stdout] = help: the trait `std::ops::Try` is not implemented for `()` [INFO] [stdout] = note: required by `std::ops::Try::from_error` [INFO] [stdout] [INFO] [stdout] error: aborting due to 22 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0425, E0433. [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 7) [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" "218acd6600d7008d2632458e94fbad284ee480496b1f3b747e0f5daf8f9ae5e5"` [INFO] running `"docker" "rm" "-f" "218acd6600d7008d2632458e94fbad284ee480496b1f3b747e0f5daf8f9ae5e5"` [INFO] [stdout] 218acd6600d7008d2632458e94fbad284ee480496b1f3b747e0f5daf8f9ae5e5