[INFO] updating cached repository https://github.com/trolleyman/kmeans
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5a4f71813cb15ed761c43cdd83feb74ca39e8611
[INFO] checking trolleyman/kmeans against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrolleyman%2Fkmeans" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/trolleyman/kmeans on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/trolleyman/kmeans
[INFO] finished tweaking git repo https://github.com/trolleyman/kmeans
[INFO] tweaked toml for git repo https://github.com/trolleyman/kmeans written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/trolleyman/kmeans already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9d53ecdc556c8d67d176285c1f391e1592e8a2038ae815876eab2917fec26670
[INFO] running `"docker" "start" "-a" "9d53ecdc556c8d67d176285c1f391e1592e8a2038ae815876eab2917fec26670"`
[INFO] [stderr]    Compiling rand_jitter v0.1.3
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking cgmath v0.12.0
[INFO] [stderr]     Checking png v0.5.2
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling palette v0.4.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking image v0.10.4
[INFO] [stderr]    Compiling palette_derive v0.4.1
[INFO] [stderr]     Checking kmeans v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0425]: cannot find function `kmeans` in this scope
[INFO] [stderr]    --> src/kmeans.rs:219:29
[INFO] [stderr]     |
[INFO] [stderr] 219 |         let (means, data, loss) = kmeans(&ps, 3);
[INFO] [stderr]     |                                   ^^^^^^ not found in this scope
[INFO] [stderr]     |
[INFO] [stderr] help: possible candidate is found in another module, you can import it into scope
[INFO] [stderr]     |
[INFO] [stderr] 196 |     use kmeans::kmeans;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `gen_range` found for struct `rand::ThreadRng` in the current scope
[INFO] [stderr]    --> src/kmeans.rs:200:23
[INFO] [stderr]     |
[INFO] [stderr] 200 |             rand::thread_rng().gen_range(min, max)
[INFO] [stderr]     |                                ^^^^^^^^^ method not found in `rand::ThreadRng`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand-0.4.6/src/lib.rs:524:8
[INFO] [stderr]     |
[INFO] [stderr] 524 |     fn gen_range<T: PartialOrd + SampleRange>(&mut self, low: T, high: T) -> T where Self: Sized {
[INFO] [stderr]     |        ---------
[INFO] [stderr]     |        |
[INFO] [stderr]     |        the method is available for `std::boxed::Box<rand::ThreadRng>` here
[INFO] [stderr]     |        the method is available for `std::sync::Arc<rand::ThreadRng>` here
[INFO] [stderr]     |        the method is available for `std::rc::Rc<rand::ThreadRng>` here
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]             `use rand::Rng;`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: could not compile `kmeans`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "9d53ecdc556c8d67d176285c1f391e1592e8a2038ae815876eab2917fec26670"`
[INFO] running `"docker" "rm" "-f" "9d53ecdc556c8d67d176285c1f391e1592e8a2038ae815876eab2917fec26670"`
[INFO] [stdout] 9d53ecdc556c8d67d176285c1f391e1592e8a2038ae815876eab2917fec26670
