[INFO] cloning repository https://github.com/Eistern/knn_classifier
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Eistern/knn_classifier" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEistern%2Fknn_classifier", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEistern%2Fknn_classifier'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 598e8ac8cf609748bbed900a1470b50ff178fdd9
[INFO] building Eistern/knn_classifier against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEistern%2Fknn_classifier" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Eistern/knn_classifier on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Eistern/knn_classifier
[INFO] finished tweaking git repo https://github.com/Eistern/knn_classifier
[INFO] tweaked toml for git repo https://github.com/Eistern/knn_classifier written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Eistern/knn_classifier 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.136
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23f763fb1041a8eeca335f2596b698c27581e067ee6a8ad4cdb68d59bcfa91ab
[INFO] running `Command { std: "docker" "start" "-a" "23f763fb1041a8eeca335f2596b698c27581e067ee6a8ad4cdb68d59bcfa91ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23f763fb1041a8eeca335f2596b698c27581e067ee6a8ad4cdb68d59bcfa91ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23f763fb1041a8eeca335f2596b698c27581e067ee6a8ad4cdb68d59bcfa91ab", kill_on_drop: false }`
[INFO] [stdout] 23f763fb1041a8eeca335f2596b698c27581e067ee6a8ad4cdb68d59bcfa91ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bf9767d1104d3357fe299a193b218f56db4128d18b6a86308af33efa72d20f1
[INFO] running `Command { std: "docker" "start" "-a" "6bf9767d1104d3357fe299a193b218f56db4128d18b6a86308af33efa72d20f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.136
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling knn-numbers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `linear_noise` is never used
[INFO] [stdout]   --> src/dataset_transformer_fn.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn linear_noise<const RAND_RANGE: usize, const RESOLUTION: usize>(input: ClassifiedPicture<RESOLUTION>) -> ClassifiedPicture<RESOLUTI...
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `euclidean` is never used
[INFO] [stdout]  --> src/knn_classifier_metrics.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn euclidean<const RESOLUTION: usize>(first: &Picture<RESOLUTION>, second: &Picture<RESOLUTION>) -> f32 {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `l1` is never used
[INFO] [stdout]   --> src/knn_classifier_metrics.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn l1<const RESOLUTION: usize>(first: &Picture<RESOLUTION>, second: &Picture<RESOLUTION>) -> f32 {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `chebyshev` is never used
[INFO] [stdout]   --> src/knn_classifier_metrics.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn chebyshev<const RESOLUTION: usize>(first: &Picture<RESOLUTION>, second: &Picture<RESOLUTION>) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.85s
[INFO] running `Command { std: "docker" "inspect" "6bf9767d1104d3357fe299a193b218f56db4128d18b6a86308af33efa72d20f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bf9767d1104d3357fe299a193b218f56db4128d18b6a86308af33efa72d20f1", kill_on_drop: false }`
[INFO] [stdout] 6bf9767d1104d3357fe299a193b218f56db4128d18b6a86308af33efa72d20f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88f5faa19cfb3ecfe22386375b83df7b34083b3ed74628e5533c79a984840620
[INFO] running `Command { std: "docker" "start" "-a" "88f5faa19cfb3ecfe22386375b83df7b34083b3ed74628e5533c79a984840620", kill_on_drop: false }`
[INFO] [stderr]    Compiling knn-numbers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `linear_noise` is never used
[INFO] [stdout]   --> src/dataset_transformer_fn.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn linear_noise<const RAND_RANGE: usize, const RESOLUTION: usize>(input: ClassifiedPicture<RESOLUTION>) -> ClassifiedPicture<RESOLUTI...
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `euclidean` is never used
[INFO] [stdout]  --> src/knn_classifier_metrics.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn euclidean<const RESOLUTION: usize>(first: &Picture<RESOLUTION>, second: &Picture<RESOLUTION>) -> f32 {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `l1` is never used
[INFO] [stdout]   --> src/knn_classifier_metrics.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn l1<const RESOLUTION: usize>(first: &Picture<RESOLUTION>, second: &Picture<RESOLUTION>) -> f32 {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `chebyshev` is never used
[INFO] [stdout]   --> src/knn_classifier_metrics.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn chebyshev<const RESOLUTION: usize>(first: &Picture<RESOLUTION>, second: &Picture<RESOLUTION>) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "88f5faa19cfb3ecfe22386375b83df7b34083b3ed74628e5533c79a984840620", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88f5faa19cfb3ecfe22386375b83df7b34083b3ed74628e5533c79a984840620", kill_on_drop: false }`
[INFO] [stdout] 88f5faa19cfb3ecfe22386375b83df7b34083b3ed74628e5533c79a984840620