[INFO] cloning repository https://github.com/SerhiiBilyk/kmeans
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SerhiiBilyk/kmeans" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSerhiiBilyk%2Fkmeans", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSerhiiBilyk%2Fkmeans'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d725b2790ed1af1c9b4b9cdadb010ff9dd32501
[INFO] checking SerhiiBilyk/kmeans against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSerhiiBilyk%2Fkmeans" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/SerhiiBilyk/kmeans
[INFO] finished tweaking git repo https://github.com/SerhiiBilyk/kmeans
[INFO] tweaked toml for git repo https://github.com/SerhiiBilyk/kmeans written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/SerhiiBilyk/kmeans on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/SerhiiBilyk/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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7be148301fedb6ebb5d0329600ef30e51ecc8a0c1bfd586e287b0e47f14b1da
[INFO] running `Command { std: "docker" "start" "-a" "c7be148301fedb6ebb5d0329600ef30e51ecc8a0c1bfd586e287b0e47f14b1da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7be148301fedb6ebb5d0329600ef30e51ecc8a0c1bfd586e287b0e47f14b1da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7be148301fedb6ebb5d0329600ef30e51ecc8a0c1bfd586e287b0e47f14b1da", kill_on_drop: false }`
[INFO] [stdout] c7be148301fedb6ebb5d0329600ef30e51ecc8a0c1bfd586e287b0e47f14b1da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f2ed223d6d25f7a3b0bb59d5207a51215d6a0b8aa911237bb24fae05ed744ad
[INFO] running `Command { std: "docker" "start" "-a" "5f2ed223d6d25f7a3b0bb59d5207a51215d6a0b8aa911237bb24fae05ed744ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking stb_truetype v0.3.0
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]    Compiling palette v0.4.1
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking gif v0.10.2
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking svg v0.5.12
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking rusttype v0.8.0
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.7
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking png v0.14.1
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]     Checking servo-fontconfig v0.4.0
[INFO] [stderr]     Checking font-loader v0.8.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.16
[INFO] [stderr]    Compiling palette_derive v0.4.1
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.21.3
[INFO] [stderr]     Checking plotters v0.2.5
[INFO] [stderr]     Checking hello_world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `distance` and `random_number`
[INFO] [stdout]  --> src/plotter.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use utils::{distance, random_number};
[INFO] [stdout]   |             ^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `distance` and `random_number`
[INFO] [stdout]  --> src/plotter.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use utils::{distance, random_number};
[INFO] [stdout]   |             ^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `iterations` is never read
[INFO] [stdout]   --> src/kmeans.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct KlusterMeans {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     iterations: i32,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `KlusterMeans` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_dimensionality` and `reset` are never used
[INFO] [stdout]    --> src/kmeans.rs:55:12
[INFO] [stdout]     |
[INFO] [stdout]  23 | impl KlusterMeans {
[INFO] [stdout]     | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  55 |     pub fn get_dimensionality(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 179 |     pub fn reset(&mut self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `iterations` is never read
[INFO] [stdout]   --> src/kmeans.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct KlusterMeans {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     iterations: i32,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `KlusterMeans` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_dimensionality` and `reset` are never used
[INFO] [stdout]    --> src/kmeans.rs:55:12
[INFO] [stdout]     |
[INFO] [stdout]  23 | impl KlusterMeans {
[INFO] [stdout]     | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  55 |     pub fn get_dimensionality(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 179 |     pub fn reset(&mut self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     draw(kmeans.result(), kmeans.to_tuples(double));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let _ = draw(kmeans.result(), kmeans.to_tuples(double));
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/plotter.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     root.fill(&WHITE);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let _ = root.fill(&WHITE);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     draw(kmeans.result(), kmeans.to_tuples(double));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let _ = draw(kmeans.result(), kmeans.to_tuples(double));
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/plotter.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     root.fill(&WHITE);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let _ = root.fill(&WHITE);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.93s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: svg v0.5.12, syn v0.14.9
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] running `Command { std: "docker" "inspect" "5f2ed223d6d25f7a3b0bb59d5207a51215d6a0b8aa911237bb24fae05ed744ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f2ed223d6d25f7a3b0bb59d5207a51215d6a0b8aa911237bb24fae05ed744ad", kill_on_drop: false }`
[INFO] [stdout] 5f2ed223d6d25f7a3b0bb59d5207a51215d6a0b8aa911237bb24fae05ed744ad
