[INFO] updating cached repository tsurai/data-mining-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tsurai/data-mining-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tsurai/data-mining-rs" "work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/tsurai/data-mining-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/tsurai/data-mining-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tsurai/data-mining-rs" "work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/tsurai/data-mining-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/tsurai/data-mining-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8550eab35b1abc27d3a5741a287d5af4bed4b5f6
[INFO] sha for GitHub repo tsurai/data-mining-rs: 8550eab35b1abc27d3a5741a287d5af4bed4b5f6
[INFO] validating manifest of tsurai/data-mining-rs on toolchain master#6ea4036cd20a4b1ab1d56e555108c21735ff6946
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tsurai/data-mining-rs on toolchain try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tsurai/data-mining-rs
[INFO] finished frobbing tsurai/data-mining-rs
[INFO] frobbed toml for tsurai/data-mining-rs written to work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/tsurai/data-mining-rs/Cargo.toml
[INFO] started frobbing tsurai/data-mining-rs
[INFO] finished frobbing tsurai/data-mining-rs
[INFO] frobbed toml for tsurai/data-mining-rs written to work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/tsurai/data-mining-rs/Cargo.toml
[INFO] crate tsurai/data-mining-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/tsurai/data-mining-rs/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" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tsurai/data-mining-rs against try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc for pr-62181
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62181/worker-0/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/tsurai/data-mining-rs:/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" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e03cc0cfb26b9633e777ab23ff47346b782232747d83ebde2ad5a2f44c9e93d2
[INFO] running `"docker" "start" "-a" "e03cc0cfb26b9633e777ab23ff47346b782232747d83ebde2ad5a2f44c9e93d2"`
[INFO] [stderr]     Checking datamining_rs v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Rng`
[INFO] [stderr]  --> src/kmeans.rs:2:24
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rand::{thread_rng, Rng};
[INFO] [stderr]   |                        ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rng`
[INFO] [stderr]  --> src/kmedoids.rs:2:24
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rand::{thread_rng, Rng};
[INFO] [stderr]   |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rng`
[INFO] [stderr]  --> src/kmeans.rs:2:24
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rand::{thread_rng, Rng};
[INFO] [stderr]   |                        ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rng`
[INFO] [stderr]  --> src/kmedoids.rs:2:24
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rand::{thread_rng, Rng};
[INFO] [stderr]   |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `shuffle` found for type `rand::prelude::ThreadRng` in the current scope
[INFO] [stderr]  --> src/kmeans.rs:9:15
[INFO] [stderr]   |
[INFO] [stderr] 9 |     thread_rng().shuffle(&mut indices[..]);
[INFO] [stderr]   |                  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `shuffle` found for type `rand::prelude::ThreadRng` in the current scope
[INFO] [stderr]  --> src/kmedoids.rs:9:15
[INFO] [stderr]   |
[INFO] [stderr] 9 |     thread_rng().shuffle(&mut indices[..]);
[INFO] [stderr]   |                  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `shuffle` found for type `rand::prelude::ThreadRng` in the current scope
[INFO] [stderr]  --> src/kmeans.rs:9:15
[INFO] [stderr]   |
[INFO] [stderr] 9 |     thread_rng().shuffle(&mut indices[..]);
[INFO] [stderr]   |                  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: Could not compile `datamining_rs`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0599]: no method named `shuffle` found for type `rand::prelude::ThreadRng` in the current scope
[INFO] [stderr]  --> src/kmedoids.rs:9:15
[INFO] [stderr]   |
[INFO] [stderr] 9 |     thread_rng().shuffle(&mut indices[..]);
[INFO] [stderr]   |                  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: Could not compile `datamining_rs`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "e03cc0cfb26b9633e777ab23ff47346b782232747d83ebde2ad5a2f44c9e93d2"`
[INFO] running `"docker" "rm" "-f" "e03cc0cfb26b9633e777ab23ff47346b782232747d83ebde2ad5a2f44c9e93d2"`
[INFO] [stdout] e03cc0cfb26b9633e777ab23ff47346b782232747d83ebde2ad5a2f44c9e93d2