[INFO] fetching crate bhtsne 0.2.1...
[INFO] checking bhtsne-0.2.1 against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] extracting crate bhtsne 0.2.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate bhtsne 0.2.1 on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bhtsne 0.2.1
[INFO] finished tweaking crates.io crate bhtsne 0.2.1
[INFO] tweaked toml for crates.io crate bhtsne 0.2.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1c231e3ddacfe604380b95d01faa680e9bb526e66750a0cc2e00357582844a0
[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" "e1c231e3ddacfe604380b95d01faa680e9bb526e66750a0cc2e00357582844a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1c231e3ddacfe604380b95d01faa680e9bb526e66750a0cc2e00357582844a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1c231e3ddacfe604380b95d01faa680e9bb526e66750a0cc2e00357582844a0", kill_on_drop: false }`
[INFO] [stdout] e1c231e3ddacfe604380b95d01faa680e9bb526e66750a0cc2e00357582844a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a14dd75f730aa26d72f29600640a2085d42ea232e79fbf1a2d463263dc5dbee
[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" "4a14dd75f730aa26d72f29600640a2085d42ea232e79fbf1a2d463263dc5dbee", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking pdqselect v0.1.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]     Checking bhtsne v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `labels`
[INFO] [stdout]    --> src/lib.rs:459:24
[INFO] [stdout]     |
[INFO] [stdout] 459 |         let (mut data, labels) = match super::load_csv("data.csv", true, true, "target", 0) {
[INFO] [stdout]     |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_labels`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/lib.rs:460:14
[INFO] [stdout]     |
[INFO] [stdout] 460 |             (data, None) => panic!("This is not supposed to happen!"),
[INFO] [stdout]     |              ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_correct`
[INFO] [stdout]    --> src/tsne/sptree.rs:267:12
[INFO] [stdout]     |
[INFO] [stdout] 267 |     pub fn is_correct(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `comparator`
[INFO] [stdout]   --> src/tsne/vptree.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn comparator(&self, a: &'a DataPoint<T>, b: &'a DataPoint<T>) -> Ordering {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/tsne/vptree.rs:144:8
[INFO] [stdout]     |
[INFO] [stdout] 144 |     fn new(obj: &'a T) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_correct`
[INFO] [stdout]    --> src/tsne/sptree.rs:267:12
[INFO] [stdout]     |
[INFO] [stdout] 267 |     pub fn is_correct(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `comparator`
[INFO] [stdout]   --> src/tsne/vptree.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn comparator(&self, a: &'a DataPoint<T>, b: &'a DataPoint<T>) -> Ordering {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/tsne/vptree.rs:144:8
[INFO] [stdout]     |
[INFO] [stdout] 144 |     fn new(obj: &'a T) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.58s
[INFO] running `Command { std: "docker" "inspect" "4a14dd75f730aa26d72f29600640a2085d42ea232e79fbf1a2d463263dc5dbee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a14dd75f730aa26d72f29600640a2085d42ea232e79fbf1a2d463263dc5dbee", kill_on_drop: false }`
[INFO] [stdout] 4a14dd75f730aa26d72f29600640a2085d42ea232e79fbf1a2d463263dc5dbee