[INFO] updating cached repository tikue/rust-ml
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tikue/rust-ml
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tikue/rust-ml" "work/ex/pr-59928/sources/master#df25d79a33b0c82b716699a75a41bfdc6089850a/gh/tikue/rust-ml"`
[INFO] [stderr] Cloning into 'work/ex/pr-59928/sources/master#df25d79a33b0c82b716699a75a41bfdc6089850a/gh/tikue/rust-ml'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tikue/rust-ml" "work/ex/pr-59928/sources/try#424a4ae163d6517f301cd4048a4b5dd785be5b2f/gh/tikue/rust-ml"`
[INFO] [stderr] Cloning into 'work/ex/pr-59928/sources/try#424a4ae163d6517f301cd4048a4b5dd785be5b2f/gh/tikue/rust-ml'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f29d47333ff00e47d4b6d7c4ed82179221bafab5
[INFO] sha for GitHub repo tikue/rust-ml: f29d47333ff00e47d4b6d7c4ed82179221bafab5
[INFO] validating manifest of tikue/rust-ml on toolchain master#df25d79a33b0c82b716699a75a41bfdc6089850a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+df25d79a33b0c82b716699a75a41bfdc6089850a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tikue/rust-ml on toolchain try#424a4ae163d6517f301cd4048a4b5dd785be5b2f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+424a4ae163d6517f301cd4048a4b5dd785be5b2f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tikue/rust-ml
[INFO] finished frobbing tikue/rust-ml
[INFO] frobbed toml for tikue/rust-ml written to work/ex/pr-59928/sources/master#df25d79a33b0c82b716699a75a41bfdc6089850a/gh/tikue/rust-ml/Cargo.toml
[INFO] started frobbing tikue/rust-ml
[INFO] finished frobbing tikue/rust-ml
[INFO] frobbed toml for tikue/rust-ml written to work/ex/pr-59928/sources/try#424a4ae163d6517f301cd4048a4b5dd785be5b2f/gh/tikue/rust-ml/Cargo.toml
[INFO] crate tikue/rust-ml already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+df25d79a33b0c82b716699a75a41bfdc6089850a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-59928/sources/master#df25d79a33b0c82b716699a75a41bfdc6089850a/gh/tikue/rust-ml/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[INFO] the lockfile is outdated, regenerating it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" "+df25d79a33b0c82b716699a75a41bfdc6089850a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+424a4ae163d6517f301cd4048a4b5dd785be5b2f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+df25d79a33b0c82b716699a75a41bfdc6089850a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+424a4ae163d6517f301cd4048a4b5dd785be5b2f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tikue/rust-ml against master#df25d79a33b0c82b716699a75a41bfdc6089850a for pr-59928
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-59928/worker-6/master#df25d79a33b0c82b716699a75a41bfdc6089850a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-59928/sources/master#df25d79a33b0c82b716699a75a41bfdc6089850a/gh/tikue/rust-ml:/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" "+df25d79a33b0c82b716699a75a41bfdc6089850a-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 25446633164ea4f73b94d007352a21f467106dec754ef6470ec27995b22d6fb5
[INFO] running `"docker" "start" "-a" "25446633164ea4f73b94d007352a21f467106dec754ef6470ec27995b22d6fb5"`
[INFO] [stderr] warning: dependency (rand) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: unused manifest key: dependencies.rand.rand
[INFO] [stderr]     Checking ml v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved import `std::num::Float`
[INFO] [stderr]  --> src/points/point.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::num::Float;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^ no `Float` in `num`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `rand::distributions::IndependentSample`
[INFO] [stderr]  --> src/points/cluster.rs:6:27
[INFO] [stderr]   |
[INFO] [stderr] 6 | use rand::distributions::{IndependentSample, Normal};
[INFO] [stderr]   |                           ^^^^^^^^^^^^^^^^^ no `IndependentSample` in `distributions`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::num::Float`
[INFO] [stderr]  --> src/points/point.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::num::Float;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^ no `Float` in `num`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `rand::distributions::IndependentSample`
[INFO] [stderr]  --> src/points/cluster.rs:6:27
[INFO] [stderr]   |
[INFO] [stderr] 6 | use rand::distributions::{IndependentSample, Normal};
[INFO] [stderr]   |                           ^^^^^^^^^^^^^^^^^ no `IndependentSample` in `distributions`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::num::Float`
[INFO] [stderr]  --> src/points/point.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::num::Float;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `IndependentSample`
[INFO] [stderr]  --> src/points/cluster.rs:6:27
[INFO] [stderr]   |
[INFO] [stderr] 6 | use rand::distributions::{IndependentSample, Normal};
[INFO] [stderr]   |                           ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]    --> src/plots.rs:131:18
[INFO] [stderr]     |
[INFO] [stderr] 131 |         for _ in (0..num_points) {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::num::Float`
[INFO] [stderr]  --> src/points/point.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::num::Float;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `IndependentSample`
[INFO] [stderr]  --> src/points/cluster.rs:6:27
[INFO] [stderr]   |
[INFO] [stderr] 6 | use rand::distributions::{IndependentSample, Normal};
[INFO] [stderr]   |                           ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]    --> src/plots.rs:131:18
[INFO] [stderr]     |
[INFO] [stderr] 131 |         for _ in (0..num_points) {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `points::point::Point: std::clone::Clone` is not satisfied
[INFO] [stderr]   --> src/points/point.rs:11:6
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl Copy for Point{}
[INFO] [stderr]    |      ^^^^ the trait `std::clone::Clone` is not implemented for `points::point::Point`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `plots::Plot: std::clone::Clone` is not satisfied
[INFO] [stderr]   --> src/plots.rs:18:6
[INFO] [stderr]    |
[INFO] [stderr] 18 | impl Copy for Plot{}
[INFO] [stderr]    |      ^^^^ the trait `std::clone::Clone` is not implemented for `plots::Plot`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `plots::Row: std::clone::Clone` is not satisfied
[INFO] [stderr]   --> src/plots.rs:24:6
[INFO] [stderr]    |
[INFO] [stderr] 24 | impl Copy for Row{}
[INFO] [stderr]    |      ^^^^ the trait `std::clone::Clone` is not implemented for `plots::Row`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `plots::PointSymbol: std::clone::Clone` is not satisfied
[INFO] [stderr]   --> src/plots.rs:30:6
[INFO] [stderr]    |
[INFO] [stderr] 30 | impl Copy for PointSymbol{}
[INFO] [stderr]    |      ^^^^ the trait `std::clone::Clone` is not implemented for `plots::PointSymbol`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors occurred: E0277, E0432.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error[E0277]: the trait bound `points::point::Point: std::clone::Clone` is not satisfied
[INFO] [stderr]   --> src/points/point.rs:11:6
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl Copy for Point{}
[INFO] [stderr]    |      ^^^^ the trait `std::clone::Clone` is not implemented for `points::point::Point`
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `ml`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0277]: the trait bound `plots::Plot: std::clone::Clone` is not satisfied
[INFO] [stderr]   --> src/plots.rs:18:6
[INFO] [stderr]    |
[INFO] [stderr] 18 | impl Copy for Plot{}
[INFO] [stderr]    |      ^^^^ the trait `std::clone::Clone` is not implemented for `plots::Plot`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `plots::Row: std::clone::Clone` is not satisfied
[INFO] [stderr]   --> src/plots.rs:24:6
[INFO] [stderr]    |
[INFO] [stderr] 24 | impl Copy for Row{}
[INFO] [stderr]    |      ^^^^ the trait `std::clone::Clone` is not implemented for `plots::Row`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `plots::PointSymbol: std::clone::Clone` is not satisfied
[INFO] [stderr]   --> src/plots.rs:30:6
[INFO] [stderr]    |
[INFO] [stderr] 30 | impl Copy for PointSymbol{}
[INFO] [stderr]    |      ^^^^ the trait `std::clone::Clone` is not implemented for `plots::PointSymbol`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors occurred: E0277, E0432.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: Could not compile `ml`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "25446633164ea4f73b94d007352a21f467106dec754ef6470ec27995b22d6fb5"`
[INFO] running `"docker" "rm" "-f" "25446633164ea4f73b94d007352a21f467106dec754ef6470ec27995b22d6fb5"`
[INFO] [stdout] 25446633164ea4f73b94d007352a21f467106dec754ef6470ec27995b22d6fb5