[INFO] crate intel-pstate 0.2.0 is already in cache
[INFO] extracting crate intel-pstate 0.2.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/intel-pstate/0.2.0
[INFO] extracting crate intel-pstate 0.2.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/intel-pstate/0.2.0
[INFO] validating manifest of intel-pstate-0.2.0 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 intel-pstate-0.2.0 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 intel-pstate-0.2.0
[INFO] finished frobbing intel-pstate-0.2.0
[INFO] frobbed toml for intel-pstate-0.2.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/intel-pstate/0.2.0/Cargo.toml
[INFO] started frobbing intel-pstate-0.2.0
[INFO] finished frobbing intel-pstate-0.2.0
[INFO] frobbed toml for intel-pstate-0.2.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/intel-pstate/0.2.0/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] 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 intel-pstate-0.2.0 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-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/intel-pstate/0.2.0:/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] 0f58059a1972158c1f3c77c28c692b67172046e33ccf94cf8ea22ccfdb1e9b3e
[INFO] running `"docker" "start" "-a" "0f58059a1972158c1f3c77c28c692b67172046e33ccf94cf8ea22ccfdb1e9b3e"`
[INFO] [stderr]    Compiling err-derive v0.1.5
[INFO] [stderr]    Compiling smart-default v0.5.2
[INFO] [stderr]    Compiling intel-pstate v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.91s
[INFO] running `"docker" "inspect" "0f58059a1972158c1f3c77c28c692b67172046e33ccf94cf8ea22ccfdb1e9b3e"`
[INFO] running `"docker" "rm" "-f" "0f58059a1972158c1f3c77c28c692b67172046e33ccf94cf8ea22ccfdb1e9b3e"`
[INFO] [stdout] 0f58059a1972158c1f3c77c28c692b67172046e33ccf94cf8ea22ccfdb1e9b3e
[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/intel-pstate/0.2.0:/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] bde356716407290978aeee003a472a00d523f6944706d2ae9902ad79a3104ee1
[INFO] running `"docker" "start" "-a" "bde356716407290978aeee003a472a00d523f6944706d2ae9902ad79a3104ee1"`
[INFO] [stderr]    Compiling intel-pstate v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `"docker" "inspect" "bde356716407290978aeee003a472a00d523f6944706d2ae9902ad79a3104ee1"`
[INFO] running `"docker" "rm" "-f" "bde356716407290978aeee003a472a00d523f6944706d2ae9902ad79a3104ee1"`
[INFO] [stdout] bde356716407290978aeee003a472a00d523f6944706d2ae9902ad79a3104ee1
[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/intel-pstate/0.2.0:/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] 1870bef7e34a3f481e90bce27cdd13b44b5f3906c2dfd1b3104fab9bf7b93de4
[INFO] running `"docker" "start" "-a" "1870bef7e34a3f481e90bce27cdd13b44b5f3906c2dfd1b3104fab9bf7b93de4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/intel_pstate-5795419adf6dc0cc
[INFO] [stderr]    Doc-tests intel-pstate
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 5) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs -  (line 5) stdout ----
[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `std::io::Error`
[INFO] [stdout]  --> src/lib.rs:11:36
[INFO] [stdout]   |
[INFO] [stdout] 8 |         pstate.set_min_perf_pct(50)?;
[INFO] [stdout]   |                                    ^ the trait `std::convert::From<intel_pstate::PStateError>` is not implemented for `std::io::Error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout]   = help: the following implementations were found:
[INFO] [stdout]             <std::io::Error as std::convert::From<std::ffi::NulError>>
[INFO] [stdout]             <std::io::Error as std::convert::From<std::io::ErrorKind>>
[INFO] [stdout]             <std::io::Error as std::convert::From<std::io::IntoInnerError<W>>>
[INFO] [stdout]   = note: required by `std::convert::From::from`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `std::io::Error`
[INFO] [stdout]  --> src/lib.rs:12:37
[INFO] [stdout]   |
[INFO] [stdout] 9 |         pstate.set_max_perf_pct(100)?;
[INFO] [stdout]   |                                     ^ the trait `std::convert::From<intel_pstate::PStateError>` is not implemented for `std::io::Error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout]   = help: the following implementations were found:
[INFO] [stdout]             <std::io::Error as std::convert::From<std::ffi::NulError>>
[INFO] [stdout]             <std::io::Error as std::convert::From<std::io::ErrorKind>>
[INFO] [stdout]             <std::io::Error as std::convert::From<std::io::IntoInnerError<W>>>
[INFO] [stdout]   = note: required by `std::convert::From::from`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `std::io::Error`
[INFO] [stdout]   --> src/lib.rs:13:35
[INFO] [stdout]    |
[INFO] [stdout] 10 |         pstate.set_no_turbo(false)?;
[INFO] [stdout]    |                                   ^ the trait `std::convert::From<intel_pstate::PStateError>` is not implemented for `std::io::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout]    = help: the following implementations were found:
[INFO] [stdout]              <std::io::Error as std::convert::From<std::ffi::NulError>>
[INFO] [stdout]              <std::io::Error as std::convert::From<std::io::ErrorKind>>
[INFO] [stdout]              <std::io::Error as std::convert::From<std::io::IntoInnerError<W>>>
[INFO] [stdout]    = note: required by `std::convert::From::from`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs -  (line 5)
[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" "1870bef7e34a3f481e90bce27cdd13b44b5f3906c2dfd1b3104fab9bf7b93de4"`
[INFO] running `"docker" "rm" "-f" "1870bef7e34a3f481e90bce27cdd13b44b5f3906c2dfd1b3104fab9bf7b93de4"`
[INFO] [stdout] 1870bef7e34a3f481e90bce27cdd13b44b5f3906c2dfd1b3104fab9bf7b93de4