[INFO] crate i2cdev_rfd77402 0.1.0 is already in cache
[INFO] extracting crate i2cdev_rfd77402 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/i2cdev_rfd77402/0.1.0
[INFO] extracting crate i2cdev_rfd77402 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/i2cdev_rfd77402/0.1.0
[INFO] validating manifest of i2cdev_rfd77402-0.1.0 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 i2cdev_rfd77402-0.1.0 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 i2cdev_rfd77402-0.1.0
[INFO] finished frobbing i2cdev_rfd77402-0.1.0
[INFO] frobbed toml for i2cdev_rfd77402-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/i2cdev_rfd77402/0.1.0/Cargo.toml
[INFO] started frobbing i2cdev_rfd77402-0.1.0
[INFO] finished frobbing i2cdev_rfd77402-0.1.0
[INFO] frobbed toml for i2cdev_rfd77402-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/i2cdev_rfd77402/0.1.0/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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[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 i2cdev_rfd77402-0.1.0 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-4/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/i2cdev_rfd77402/0.1.0:/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] a24505d1e1e36f50a373d9096f3a01d79c9ad34aef0afb7afc2865f7f34374a6
[INFO] running `"docker" "start" "-a" "a24505d1e1e36f50a373d9096f3a01d79c9ad34aef0afb7afc2865f7f34374a6"`
[INFO] [stderr]    Compiling i2cdev v0.3.2
[INFO] [stderr]    Compiling i2cdev_rfd77402 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.72s
[INFO] running `"docker" "inspect" "a24505d1e1e36f50a373d9096f3a01d79c9ad34aef0afb7afc2865f7f34374a6"`
[INFO] running `"docker" "rm" "-f" "a24505d1e1e36f50a373d9096f3a01d79c9ad34aef0afb7afc2865f7f34374a6"`
[INFO] [stdout] a24505d1e1e36f50a373d9096f3a01d79c9ad34aef0afb7afc2865f7f34374a6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/i2cdev_rfd77402/0.1.0:/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] 76387224a1e138522350b541b690fb54c08a84decec0865160ec35d1b0396303
[INFO] running `"docker" "start" "-a" "76387224a1e138522350b541b690fb54c08a84decec0865160ec35d1b0396303"`
[INFO] [stderr]    Compiling i2cdev_rfd77402 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "76387224a1e138522350b541b690fb54c08a84decec0865160ec35d1b0396303"`
[INFO] running `"docker" "rm" "-f" "76387224a1e138522350b541b690fb54c08a84decec0865160ec35d1b0396303"`
[INFO] [stdout] 76387224a1e138522350b541b690fb54c08a84decec0865160ec35d1b0396303
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/i2cdev_rfd77402/0.1.0:/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] 75b45d74c9d3fd9e929df4f7f64ae39a7da90db765ad0fc305a2c6aa650800e5
[INFO] running `"docker" "start" "-a" "75b45d74c9d3fd9e929df4f7f64ae39a7da90db765ad0fc305a2c6aa650800e5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/i2cdev_rfd77402-d9417a02d481fadc
[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 i2cdev_rfd77402
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - Rfd77402::poll (line 102) ... FAILED
[INFO] [stdout] test src/lib.rs - Rfd77402::get_measurement (line 163) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Rfd77402::poll (line 102) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `Rfd77402`
[INFO] [stdout]  --> src/lib.rs:103:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | let dev = Rfd77402::new("/dev/i2c-1", 10).expect("Creating new device failed..");
[INFO] [stdout]   |           ^^^^^^^^ use of undeclared type or module `Rfd77402`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Rfd77402::get_measurement (line 163) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `dev` in this scope
[INFO] [stdout]  --> src/lib.rs:164:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | let res = dev.get_measurement();
[INFO] [stdout]   |           ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - Rfd77402::get_measurement (line 163)
[INFO] [stdout]     src/lib.rs - Rfd77402::poll (line 102)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "75b45d74c9d3fd9e929df4f7f64ae39a7da90db765ad0fc305a2c6aa650800e5"`
[INFO] running `"docker" "rm" "-f" "75b45d74c9d3fd9e929df4f7f64ae39a7da90db765ad0fc305a2c6aa650800e5"`
[INFO] [stdout] 75b45d74c9d3fd9e929df4f7f64ae39a7da90db765ad0fc305a2c6aa650800e5