[INFO] cloning repository https://github.com/Spirans/rust-kmeans
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Spirans/rust-kmeans" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpirans%2Frust-kmeans", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpirans%2Frust-kmeans'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5af3918456583577e082adaf50a5bed0991a0b73
[INFO] checking Spirans/rust-kmeans against try#0e1f5e292c80a395d02835ac656d141e992caf89 for pr-145605
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpirans%2Frust-kmeans" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Spirans/rust-kmeans
[INFO] finished tweaking git repo https://github.com/Spirans/rust-kmeans
[INFO] tweaked toml for git repo https://github.com/Spirans/rust-kmeans written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Spirans/rust-kmeans on toolchain 0e1f5e292c80a395d02835ac656d141e992caf89
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0e1f5e292c80a395d02835ac656d141e992caf89" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Spirans/rust-kmeans already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0e1f5e292c80a395d02835ac656d141e992caf89" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+0e1f5e292c80a395d02835ac656d141e992caf89" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 860c33ab47b5fce861602f4f15ed5e081232822a9625db18ea0bbfd93561dedd
[INFO] running `Command { std: "docker" "start" "-a" "860c33ab47b5fce861602f4f15ed5e081232822a9625db18ea0bbfd93561dedd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "860c33ab47b5fce861602f4f15ed5e081232822a9625db18ea0bbfd93561dedd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "860c33ab47b5fce861602f4f15ed5e081232822a9625db18ea0bbfd93561dedd", kill_on_drop: false }`
[INFO] [stdout] 860c33ab47b5fce861602f4f15ed5e081232822a9625db18ea0bbfd93561dedd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+0e1f5e292c80a395d02835ac656d141e992caf89" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5dd1737ca77a871abf68f7bccc65983bc47e7ee2d093f44cd368306b81181a5b
[INFO] running `Command { std: "docker" "start" "-a" "5dd1737ca77a871abf68f7bccc65983bc47e7ee2d093f44cd368306b81181a5b", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking kmeans v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/lib.rs:78:54
[INFO] [stdout]    |
[INFO] [stdout] 78 |         for_each(|node| results.push(distance(in_node.borrow(), node)));
[INFO] [stdout]    |                                                      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Vec<f64>` does not implement `Borrow`, so calling `borrow` on `&Vec<f64>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 78 -         for_each(|node| results.push(distance(in_node.borrow(), node)));
[INFO] [stdout] 78 +         for_each(|node| results.push(distance(in_node, node)));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/lib.rs:136:44
[INFO] [stdout]     |
[INFO] [stdout] 136 |             let index = nearest(observation.borrow(), c.clone().unwrap().borrow());
[INFO] [stdout]     |                                            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Vec<f64>` does not implement `Borrow`, so calling `borrow` on `&Vec<f64>` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 136 -             let index = nearest(observation.borrow(), c.clone().unwrap().borrow());
[INFO] [stdout] 136 +             let index = nearest(observation, c.clone().unwrap().borrow());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/lib.rs:78:54
[INFO] [stdout]    |
[INFO] [stdout] 78 |         for_each(|node| results.push(distance(in_node.borrow(), node)));
[INFO] [stdout]    |                                                      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Vec<f64>` does not implement `Borrow`, so calling `borrow` on `&Vec<f64>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 78 -         for_each(|node| results.push(distance(in_node.borrow(), node)));
[INFO] [stdout] 78 +         for_each(|node| results.push(distance(in_node, node)));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.28s
[INFO] running `Command { std: "docker" "inspect" "5dd1737ca77a871abf68f7bccc65983bc47e7ee2d093f44cd368306b81181a5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dd1737ca77a871abf68f7bccc65983bc47e7ee2d093f44cd368306b81181a5b", kill_on_drop: false }`
[INFO] [stdout] 5dd1737ca77a871abf68f7bccc65983bc47e7ee2d093f44cd368306b81181a5b