[INFO] fetching crate cogset 0.2.0...
[INFO] testing cogset-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate cogset 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate cogset 0.2.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cogset 0.2.0
[INFO] finished tweaking crates.io crate cogset 0.2.0
[INFO] tweaked toml for crates.io crate cogset 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca3e7d9d2c1501a1148e5c96d4bc59dd2d404a2f792625fc8e68b4aa2266db13
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ca3e7d9d2c1501a1148e5c96d4bc59dd2d404a2f792625fc8e68b4aa2266db13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca3e7d9d2c1501a1148e5c96d4bc59dd2d404a2f792625fc8e68b4aa2266db13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca3e7d9d2c1501a1148e5c96d4bc59dd2d404a2f792625fc8e68b4aa2266db13", kill_on_drop: false }`
[INFO] [stdout] ca3e7d9d2c1501a1148e5c96d4bc59dd2d404a2f792625fc8e68b4aa2266db13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76d68c6c3877282567dd3b1e36807b780a23163a55e4d554669322e72b756587
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "76d68c6c3877282567dd3b1e36807b780a23163a55e4d554669322e72b756587", kill_on_drop: false }`
[INFO] [stderr]    Compiling order-stat v0.1.3
[INFO] [stderr]    Compiling cogset v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Point`
[INFO] [stdout]  --> src/dbscan.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | use {Point, RegionQuery, ListPoints};
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/point.rs:135:23
[INFO] [stdout]     |
[INFO] [stdout] 135 |     fn add(&mut self, &Self);
[INFO] [stdout]     |                       ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/point.rs:136:25
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn scale(&mut self, f64);
[INFO] [stdout]     |                         ^^^ help: try naming the parameter or explicitly ignoring it: `_: f64`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Point`
[INFO] [stdout]  --> src/optics.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | use {Point, RegionQuery, ListPoints, Points};
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "76d68c6c3877282567dd3b1e36807b780a23163a55e4d554669322e72b756587", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76d68c6c3877282567dd3b1e36807b780a23163a55e4d554669322e72b756587", kill_on_drop: false }`
[INFO] [stdout] 76d68c6c3877282567dd3b1e36807b780a23163a55e4d554669322e72b756587
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48c725edae956a9d56418e42e8adac0ffeccdc1c285652783dd3d3fda2429c16
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "48c725edae956a9d56418e42e8adac0ffeccdc1c285652783dd3d3fda2429c16", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stdout] warning: unused import: `Point`
[INFO] [stdout]  --> src/dbscan.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | use {Point, RegionQuery, ListPoints};
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/point.rs:135:23
[INFO] [stdout]     |
[INFO] [stdout] 135 |     fn add(&mut self, &Self);
[INFO] [stdout]     |                       ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/point.rs:136:25
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn scale(&mut self, f64);
[INFO] [stdout]     |                         ^^^ help: try naming the parameter or explicitly ignoring it: `_: f64`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Point`
[INFO] [stdout]  --> src/optics.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | use {Point, RegionQuery, ListPoints, Points};
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cogset v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Point`
[INFO] [stdout]  --> src/dbscan.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | use {Point, RegionQuery, ListPoints};
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/point.rs:135:23
[INFO] [stdout]     |
[INFO] [stdout] 135 |     fn add(&mut self, &Self);
[INFO] [stdout]     |                       ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/point.rs:136:25
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn scale(&mut self, f64);
[INFO] [stdout]     |                         ^^^ help: try naming the parameter or explicitly ignoring it: `_: f64`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Point`
[INFO] [stdout]  --> src/optics.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | use {Point, RegionQuery, ListPoints, Points};
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.41s
[INFO] running `Command { std: "docker" "inspect" "48c725edae956a9d56418e42e8adac0ffeccdc1c285652783dd3d3fda2429c16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48c725edae956a9d56418e42e8adac0ffeccdc1c285652783dd3d3fda2429c16", kill_on_drop: false }`
[INFO] [stdout] 48c725edae956a9d56418e42e8adac0ffeccdc1c285652783dd3d3fda2429c16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 53de3148e46b303df78c446840cc4d7d4153e2bb327248bfb38c548f9489431d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "53de3148e46b303df78c446840cc4d7d4153e2bb327248bfb38c548f9489431d", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Point`
[INFO] [stderr]  --> src/dbscan.rs:4:6
[INFO] [stderr]   |
[INFO] [stderr] 4 | use {Point, RegionQuery, ListPoints};
[INFO] [stderr]   |      ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]    --> src/point.rs:135:23
[INFO] [stderr]     |
[INFO] [stderr] 135 |     fn add(&mut self, &Self);
[INFO] [stderr]     |                       ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stderr]    --> src/point.rs:136:25
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn scale(&mut self, f64);
[INFO] [stderr]     |                         ^^^ help: try naming the parameter or explicitly ignoring it: `_: f64`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Point`
[INFO] [stderr]  --> src/optics.rs:8:6
[INFO] [stderr]   |
[INFO] [stderr] 8 | use {Point, RegionQuery, ListPoints, Points};
[INFO] [stderr]   |      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `cogset` (lib) generated 4 warnings
[INFO] [stderr] warning: `cogset` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cogset-4fb6fd96f352d4c9)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test dbscan::tests::smoke ... ok
[INFO] [stdout] test optics::tests::smoke ... ok
[INFO] [stdout] test point::tests::euclid ... ok
[INFO] [stdout] test optics::tests::reachability_restricted ... ok
[INFO] [stdout] test point::tests::naive_neigbours ... ok
[INFO] [stdout] test optics::tests::reachability_unrestricted ... ok
[INFO] [stdout] test kmeans::tests::smoke ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cogset
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/dbscan.rs - dbscan::Dbscan (line 60) ... ok
[INFO] [stdout] test src/kmeans.rs - kmeans::KmeansBuilder (line 88) ... ok
[INFO] [stdout] test src/kmeans.rs - kmeans::Kmeans (line 17) ... ok
[INFO] [stdout] test src/dbscan.rs - dbscan::Dbscan (line 38) ... ok
[INFO] [stdout] test src/optics.rs - optics::Optics (line 41) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.61s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "53de3148e46b303df78c446840cc4d7d4153e2bb327248bfb38c548f9489431d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53de3148e46b303df78c446840cc4d7d4153e2bb327248bfb38c548f9489431d", kill_on_drop: false }`
[INFO] [stdout] 53de3148e46b303df78c446840cc4d7d4153e2bb327248bfb38c548f9489431d