[INFO] fetching crate fast-kd 0.1.1...
[INFO] checking fast-kd-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate fast-kd 0.1.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate fast-kd 0.1.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fast-kd 0.1.1
[INFO] finished tweaking crates.io crate fast-kd 0.1.1
[INFO] tweaked toml for crates.io crate fast-kd 0.1.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 74 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding clap v2.34.0 (latest: v4.5.4)
[INFO] [stderr]       Adding criterion v0.3.6 (latest: v0.5.1)
[INFO] [stderr]       Adding criterion-plot v0.4.5 (latest: v0.5.0)
[INFO] [stderr]       Adding half v1.8.3 (latest: v2.4.0)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding kdtree v0.6.0 (latest: v0.7.0)
[INFO] [stderr]       Adding ordered-float v2.10.1 (latest: v4.2.0)
[INFO] [stderr]       Adding textwrap v0.11.0 (latest: v0.16.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded as-slice v0.2.1
[INFO] [stderr]   Downloaded aligned v0.4.2
[INFO] [stderr]   Downloaded kdtree v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c63facaef964d9c53ae1f414df968497329fa39b8301e7b2a976fda046dd8c38
[INFO] running `Command { std: "docker" "start" "-a" "c63facaef964d9c53ae1f414df968497329fa39b8301e7b2a976fda046dd8c38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c63facaef964d9c53ae1f414df968497329fa39b8301e7b2a976fda046dd8c38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c63facaef964d9c53ae1f414df968497329fa39b8301e7b2a976fda046dd8c38", kill_on_drop: false }`
[INFO] [stdout] c63facaef964d9c53ae1f414df968497329fa39b8301e7b2a976fda046dd8c38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6711c9eb91a7122200d67b2aaec4db2a1aed4a9b63100914cb92a015e95ffec6
[INFO] running `Command { std: "docker" "start" "-a" "6711c9eb91a7122200d67b2aaec4db2a1aed4a9b63100914cb92a015e95ffec6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking as-slice v0.2.1
[INFO] [stderr]     Checking aligned v0.4.2
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking ordered-float v2.10.1
[INFO] [stderr]     Checking kdtree v0.6.0
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking fast-kd v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] warning: unused import: `black_box`
[INFO] [stdout]  --> benches/bench.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use criterion::{black_box, criterion_group, criterion_main, Criterion};
[INFO] [stdout]   |                 ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bench_insert_1M` should have a snake case name
[INFO] [stdout]  --> benches/bench.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn bench_insert_1M(c : &mut Criterion) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `bench_insert_1_m`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> benches/bench.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         tree.add(&[random(), random()]);
[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)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let _ = tree.add(&[random(), random()]);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bench_predict_1M_1000` should have a snake case name
[INFO] [stdout]   --> benches/bench.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn bench_predict_1M_1000(c : &mut Criterion) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `bench_predict_1_m_1000`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> benches/bench.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         tree.add(&[random(), random()]);
[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] 33 |         let _ = tree.add(&[random(), random()]);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bench_predict_1M_1000_kd` should have a snake case name
[INFO] [stdout]   --> benches/bench.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn bench_predict_1M_1000_kd(c : &mut Criterion) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `bench_predict_1_m_1000_kd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> benches/bench.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         tree.add(p, 0);
[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] 53 |         let _ = tree.add(p, 0);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.56s
[INFO] running `Command { std: "docker" "inspect" "6711c9eb91a7122200d67b2aaec4db2a1aed4a9b63100914cb92a015e95ffec6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6711c9eb91a7122200d67b2aaec4db2a1aed4a9b63100914cb92a015e95ffec6", kill_on_drop: false }`
[INFO] [stdout] 6711c9eb91a7122200d67b2aaec4db2a1aed4a9b63100914cb92a015e95ffec6