[INFO] cloning repository https://github.com/brpandey/simple_network
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brpandey/simple_network" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrpandey%2Fsimple_network", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrpandey%2Fsimple_network'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 611f960a67b35c7fb2be9ac698552f059f8b835d
[INFO] checking brpandey/simple_network against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrpandey%2Fsimple_network" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brpandey/simple_network on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/brpandey/simple_network
[INFO] finished tweaking git repo https://github.com/brpandey/simple_network
[INFO] tweaked toml for git repo https://github.com/brpandey/simple_network written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/brpandey/simple_network 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded viuer v0.7.1
[INFO] [stderr]   Downloaded nalgebra-macros v0.1.0
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[INFO] [stderr]   Downloaded statrs v0.16.0
[INFO] [stderr]   Downloaded ndarray-stats v0.5.1
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[INFO] [stderr]   Downloaded nalgebra v0.29.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd2d6b99df4b5f8133f19d2eabcf943a166e7a2258047e3c5f3722058dfb4a1d
[INFO] running `Command { std: "docker" "start" "-a" "dd2d6b99df4b5f8133f19d2eabcf943a166e7a2258047e3c5f3722058dfb4a1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd2d6b99df4b5f8133f19d2eabcf943a166e7a2258047e3c5f3722058dfb4a1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd2d6b99df4b5f8133f19d2eabcf943a166e7a2258047e3c5f3722058dfb4a1d", kill_on_drop: false }`
[INFO] [stdout] dd2d6b99df4b5f8133f19d2eabcf943a166e7a2258047e3c5f3722058dfb4a1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f15c1fc67c5cdb56942a294d8f79892ac16fd0d764ce9597dfef3b21114f747
[INFO] running `Command { std: "docker" "start" "-a" "6f15c1fc67c5cdb56942a294d8f79892ac16fd0d764ce9597dfef3b21114f747", kill_on_drop: false }`
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[INFO] [stdout] warning: method `min` is never used
[INFO] [stdout]   --> src/algebra.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait AlgebraExt<W = Self, B = Self> {
[INFO] [stdout]    |           ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn min(&self) -> f64;
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `min` is never used
[INFO] [stdout]   --> src/algebra.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait AlgebraExt<W = Self, B = Self> {
[INFO] [stdout]    |           ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn min(&self) -> f64;
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 49.76s
[INFO] running `Command { std: "docker" "inspect" "6f15c1fc67c5cdb56942a294d8f79892ac16fd0d764ce9597dfef3b21114f747", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f15c1fc67c5cdb56942a294d8f79892ac16fd0d764ce9597dfef3b21114f747", kill_on_drop: false }`
[INFO] [stdout] 6f15c1fc67c5cdb56942a294d8f79892ac16fd0d764ce9597dfef3b21114f747