[INFO] cloning repository https://github.com/thesiti92/kmeans-wasm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thesiti92/kmeans-wasm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthesiti92%2Fkmeans-wasm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthesiti92%2Fkmeans-wasm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ee212c6331c81f3965e868e2fd82c8b893cb2f48
[INFO] testing thesiti92/kmeans-wasm against master#61223975d46f794466efa832bc7562b9707ecc46+rustflags=-Copt-level=3 for pr-121282
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthesiti92%2Fkmeans-wasm" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thesiti92/kmeans-wasm on toolchain 61223975d46f794466efa832bc7562b9707ecc46
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thesiti92/kmeans-wasm
[INFO] finished tweaking git repo https://github.com/thesiti92/kmeans-wasm
[INFO] tweaked toml for git repo https://github.com/thesiti92/kmeans-wasm written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/thesiti92/kmeans-wasm 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" "+61223975d46f794466efa832bc7562b9707ecc46" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.45
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[INFO] [stderr]   Downloaded autocfg v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0a9726c8340684a3dc1b572972aecb76eba1179acd1a493072b2a97f2aaedb3
[INFO] running `Command { std: "docker" "start" "-a" "e0a9726c8340684a3dc1b572972aecb76eba1179acd1a493072b2a97f2aaedb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0a9726c8340684a3dc1b572972aecb76eba1179acd1a493072b2a97f2aaedb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0a9726c8340684a3dc1b572972aecb76eba1179acd1a493072b2a97f2aaedb3", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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 -Copt-level=3" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39c9cb85a7261dcb4d2d896a19413708158968e95b4e932ace516414628fabf5
[INFO] running `Command { std: "docker" "start" "-a" "39c9cb85a7261dcb4d2d896a19413708158968e95b4e932ace516414628fabf5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.34
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[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling libc v0.2.55
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[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.45
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling bumpalo v2.4.3
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.14
[INFO] [stderr]    Compiling regex-syntax v0.6.6
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling wasm-bindgen v0.2.45
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[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
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[INFO] [stderr]    Compiling backtrace v0.3.20
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
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[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling weedle v0.9.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.45
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.45
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.45
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.45
[INFO] [stderr]    Compiling web-sys v0.3.22
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling js-sys v0.3.22
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.6
[INFO] [stderr]    Compiling kmeans-wasm v0.1.0 (/opt/rustwide/workdir/crate)
[INFO] [stdout] warning: the item `Distribution` is imported redundantly
[INFO] [stdout]  --> crate/src/kmeans.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::distributions::{Distribution, Normal};
[INFO] [stdout]   |                           ^^^^^^^^^^^^
[INFO] [stdout] 2 | use rand::prelude::*;
[INFO] [stdout]   |     ---------------- the item `Distribution` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `SliceRandom` is imported redundantly
[INFO] [stdout]  --> crate/src/kmeans.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::prelude::*;
[INFO] [stdout]   |     ---------------- the item `SliceRandom` is already imported here
[INFO] [stdout] 3 | use rand::seq::SliceRandom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `JsValue` is imported redundantly
[INFO] [stdout]   --> crate/src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | use wasm_bindgen::prelude::*;
[INFO] [stdout]    |     ------------------------ the item `JsValue` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 13 | use wasm_bindgen::JsValue;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.00s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "39c9cb85a7261dcb4d2d896a19413708158968e95b4e932ace516414628fabf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39c9cb85a7261dcb4d2d896a19413708158968e95b4e932ace516414628fabf5", kill_on_drop: false }`
[INFO] [stdout] 39c9cb85a7261dcb4d2d896a19413708158968e95b4e932ace516414628fabf5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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 -Copt-level=3" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d803d98dfd0a6dda74dc9fca9126f7246cd132725299127f08fdf77d216d98a5
[INFO] running `Command { std: "docker" "start" "-a" "d803d98dfd0a6dda74dc9fca9126f7246cd132725299127f08fdf77d216d98a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling kmeans-wasm v0.1.0 (/opt/rustwide/workdir/crate)
[INFO] [stdout] warning: the item `Distribution` is imported redundantly
[INFO] [stdout]  --> crate/src/kmeans.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::distributions::{Distribution, Normal};
[INFO] [stdout]   |                           ^^^^^^^^^^^^
[INFO] [stdout] 2 | use rand::prelude::*;
[INFO] [stdout]   |     ---------------- the item `Distribution` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `SliceRandom` is imported redundantly
[INFO] [stdout]  --> crate/src/kmeans.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::prelude::*;
[INFO] [stdout]   |     ---------------- the item `SliceRandom` is already imported here
[INFO] [stdout] 3 | use rand::seq::SliceRandom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `JsValue` is imported redundantly
[INFO] [stdout]   --> crate/src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | use wasm_bindgen::prelude::*;
[INFO] [stdout]    |     ------------------------ the item `JsValue` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 13 | use wasm_bindgen::JsValue;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "d803d98dfd0a6dda74dc9fca9126f7246cd132725299127f08fdf77d216d98a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d803d98dfd0a6dda74dc9fca9126f7246cd132725299127f08fdf77d216d98a5", kill_on_drop: false }`
[INFO] [stdout] d803d98dfd0a6dda74dc9fca9126f7246cd132725299127f08fdf77d216d98a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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 -Copt-level=3" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4989d98422a19675c44d8a87fe7974be3c721f950a298e3916221925e0626873
[INFO] running `Command { std: "docker" "start" "-a" "4989d98422a19675c44d8a87fe7974be3c721f950a298e3916221925e0626873", kill_on_drop: false }`
[INFO] [stderr] warning: the item `Distribution` is imported redundantly
[INFO] [stderr]  --> crate/src/kmeans.rs:1:27
[INFO] [stderr]   |
[INFO] [stderr] 1 | use rand::distributions::{Distribution, Normal};
[INFO] [stderr]   |                           ^^^^^^^^^^^^
[INFO] [stderr] 2 | use rand::prelude::*;
[INFO] [stderr]   |     ---------------- the item `Distribution` is already imported here
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `SliceRandom` is imported redundantly
[INFO] [stderr]  --> crate/src/kmeans.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rand::prelude::*;
[INFO] [stderr]   |     ---------------- the item `SliceRandom` is already imported here
[INFO] [stderr] 3 | use rand::seq::SliceRandom;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `JsValue` is imported redundantly
[INFO] [stderr]   --> crate/src/lib.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 9  | use wasm_bindgen::prelude::*;
[INFO] [stderr]    |     ------------------------ the item `JsValue` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 13 | use wasm_bindgen::JsValue;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `kmeans-wasm` (lib test) generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/kmeans_wasm-da581a5cdfc14e17)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4989d98422a19675c44d8a87fe7974be3c721f950a298e3916221925e0626873", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4989d98422a19675c44d8a87fe7974be3c721f950a298e3916221925e0626873", kill_on_drop: false }`
[INFO] [stdout] 4989d98422a19675c44d8a87fe7974be3c721f950a298e3916221925e0626873