[INFO] updating cached repository Kerollmops/linear-regression
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Kerollmops/linear-regression
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Kerollmops/linear-regression" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/Kerollmops/linear-regression"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/Kerollmops/linear-regression'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Kerollmops/linear-regression" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/Kerollmops/linear-regression"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/Kerollmops/linear-regression'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d60cb04b6275682cfedf6833698a2c20cfb7e69f
[INFO] sha for GitHub repo Kerollmops/linear-regression: d60cb04b6275682cfedf6833698a2c20cfb7e69f
[INFO] validating manifest of Kerollmops/linear-regression on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Kerollmops/linear-regression on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Kerollmops/linear-regression
[INFO] finished frobbing Kerollmops/linear-regression
[INFO] frobbed toml for Kerollmops/linear-regression written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/Kerollmops/linear-regression/Cargo.toml
[INFO] started frobbing Kerollmops/linear-regression
[INFO] finished frobbing Kerollmops/linear-regression
[INFO] frobbed toml for Kerollmops/linear-regression written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/Kerollmops/linear-regression/Cargo.toml
[INFO] crate Kerollmops/linear-regression already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/Kerollmops/linear-regression/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Kerollmops/linear-regression against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-0/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/Kerollmops/linear-regression:/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=forbid" "-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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ce20bc04025c10219677aac5f0f99a65a6e17575d8cc4645ee3c7aa535bd8795
[INFO] running `"docker" "start" "-a" "ce20bc04025c10219677aac5f0f99a65a6e17575d8cc4645ee3c7aa535bd8795"`
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking gnuplot v0.0.18
[INFO] [stderr] error: enum is private and its variants cannot be re-exported
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gnuplot-0.0.18/src/axes_common.rs:15:9
[INFO] [stderr]     |
[INFO] [stderr] 15  | pub use self::DataSourceType::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 529 | enum DataSourceType
[INFO] [stderr]     | ------------------- help: consider making the enum public: `pub enum DataSourceType`
[INFO] [stderr] 
[INFO] [stderr] error: enum is private and its variants cannot be re-exported
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gnuplot-0.0.18/src/figure.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub use self::AxesVariant::*;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 16 | 
[INFO] [stderr] 17 | enum AxesVariant
[INFO] [stderr]    | ---------------- help: consider making the enum public: `pub enum AxesVariant`
[INFO] [stderr] 
[INFO] [stderr]     Checking csv v0.14.7
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `gnuplot`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "ce20bc04025c10219677aac5f0f99a65a6e17575d8cc4645ee3c7aa535bd8795"`
[INFO] running `"docker" "rm" "-f" "ce20bc04025c10219677aac5f0f99a65a6e17575d8cc4645ee3c7aa535bd8795"`
[INFO] [stdout] ce20bc04025c10219677aac5f0f99a65a6e17575d8cc4645ee3c7aa535bd8795