[INFO] crate lsm303c 0.2.0 is already in cache
[INFO] testing lsm303c-0.2.0 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate lsm303c 0.2.0 into work/builds/worker-1/source
[INFO] validating manifest of crates.io crate lsm303c 0.2.0 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 lsm303c 0.2.0
[INFO] finished tweaking crates.io crate lsm303c 0.2.0
[INFO] tweaked toml for crates.io crate lsm303c 0.2.0 written to work/builds/worker-1/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-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/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] 568d63f3c9ca47b19f95919e63b63b54195bd2cf6a6125dcd28fd83bb3506a61
[INFO] running `"docker" "start" "-a" "568d63f3c9ca47b19f95919e63b63b54195bd2cf6a6125dcd28fd83bb3506a61"`
[INFO] [stderr]    Compiling lsm303c v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `"docker" "inspect" "568d63f3c9ca47b19f95919e63b63b54195bd2cf6a6125dcd28fd83bb3506a61"`
[INFO] running `"docker" "rm" "-f" "568d63f3c9ca47b19f95919e63b63b54195bd2cf6a6125dcd28fd83bb3506a61"`
[INFO] [stdout] 568d63f3c9ca47b19f95919e63b63b54195bd2cf6a6125dcd28fd83bb3506a61
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/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] 470c83868e098453b19f63211c24ea70b669b564267e62ca6dd81abe00997ce5
[INFO] running `"docker" "start" "-a" "470c83868e098453b19f63211c24ea70b669b564267e62ca6dd81abe00997ce5"`
[INFO] [stderr]    Compiling lsm303c v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `"docker" "inspect" "470c83868e098453b19f63211c24ea70b669b564267e62ca6dd81abe00997ce5"`
[INFO] running `"docker" "rm" "-f" "470c83868e098453b19f63211c24ea70b669b564267e62ca6dd81abe00997ce5"`
[INFO] [stdout] 470c83868e098453b19f63211c24ea70b669b564267e62ca6dd81abe00997ce5
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/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] 3a69724b2fc29f04be11b684006ff070e441a33ebf703033169377100123a07c
[INFO] running `"docker" "start" "-a" "3a69724b2fc29f04be11b684006ff070e441a33ebf703033169377100123a07c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lsm303c-6e536466524f1320
[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 lsm303c
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 10) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs -  (line 10) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Lsm303c`
[INFO] [stdout]  --> src/lib.rs:12:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | let mut lsm = Lsm303c::default(i2c)?;
[INFO] [stdout]   |               ^^^^^^^ use of undeclared type or module `Lsm303c`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `LsmConfig`
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     LsmConfig::new(i2c,
[INFO] [stdout]    |     ^^^^^^^^^ use of undeclared type or module `LsmConfig`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `LsmConfig`
[INFO] [stdout]   --> src/lib.rs:19:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |                    LsmConfig::new().mag_scale(conf::MagScale::_16_Ga))?;
[INFO] [stdout]    |                    ^^^^^^^^^ use of undeclared type or module `LsmConfig`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `conf`
[INFO] [stdout]   --> src/lib.rs:19:47
[INFO] [stdout]    |
[INFO] [stdout] 11 |                    LsmConfig::new().mag_scale(conf::MagScale::_16_Ga))?;
[INFO] [stdout]    |                                               ^^^^ use of undeclared type or module `conf`
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `i2c` in this scope
[INFO] [stdout]  --> src/lib.rs:12:32
[INFO] [stdout]   |
[INFO] [stdout] 4 | let mut lsm = Lsm303c::default(i2c)?;
[INFO] [stdout]   |                                ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `i2c` in this scope
[INFO] [stdout]   --> src/lib.rs:18:20
[INFO] [stdout]    |
[INFO] [stdout] 10 |     LsmConfig::new(i2c,
[INFO] [stdout]    |                    ^^^ not found in this scope
[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:12:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | let mut lsm = Lsm303c::default(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:14:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | let all = lsm.all()?;
[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:18:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | /     LsmConfig::new(i2c,
[INFO] [stdout] 11 | |                    LsmConfig::new().mag_scale(conf::MagScale::_16_Ga))?;
[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 9 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 10)
[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" "3a69724b2fc29f04be11b684006ff070e441a33ebf703033169377100123a07c"`
[INFO] running `"docker" "rm" "-f" "3a69724b2fc29f04be11b684006ff070e441a33ebf703033169377100123a07c"`
[INFO] [stdout] 3a69724b2fc29f04be11b684006ff070e441a33ebf703033169377100123a07c