[INFO] fetching crate fast-neural-network 0.6.2...
[INFO] checking fast-neural-network-0.6.2 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate fast-neural-network 0.6.2 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate fast-neural-network 0.6.2 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fast-neural-network 0.6.2
[INFO] finished tweaking crates.io crate fast-neural-network 0.6.2
[INFO] tweaked toml for crates.io crate fast-neural-network 0.6.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate fast-neural-network 0.6.2 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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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_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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 857d8f19d679075ed9357a14f4313c0c08ed8ddaeb5005eb53e51c917b8ad5b5
[INFO] running `Command { std: "docker" "start" "-a" "857d8f19d679075ed9357a14f4313c0c08ed8ddaeb5005eb53e51c917b8ad5b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "857d8f19d679075ed9357a14f4313c0c08ed8ddaeb5005eb53e51c917b8ad5b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "857d8f19d679075ed9357a14f4313c0c08ed8ddaeb5005eb53e51c917b8ad5b5", kill_on_drop: false }`
[INFO] [stdout] 857d8f19d679075ed9357a14f4313c0c08ed8ddaeb5005eb53e51c917b8ad5b5
[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" "-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad2be3c516629b75ccf43f5280d6e6be65a3b867570fd02951201ecdb493f9bd
[INFO] running `Command { std: "docker" "start" "-a" "ad2be3c516629b75ccf43f5280d6e6be65a3b867570fd02951201ecdb493f9bd", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `rayon::prelude::*`
[INFO] [stdout]  --> benches/parallel_vs_sequential.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `activation::*` and `neural_network::*`
[INFO] [stdout]  --> benches/parallel_vs_sequential.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 | use fast_neural_network::{activation::*, neural_network::*};
[INFO] [stdout]   |                           ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
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[INFO] running `Command { std: "docker" "inspect" "ad2be3c516629b75ccf43f5280d6e6be65a3b867570fd02951201ecdb493f9bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad2be3c516629b75ccf43f5280d6e6be65a3b867570fd02951201ecdb493f9bd", kill_on_drop: false }`
[INFO] [stdout] ad2be3c516629b75ccf43f5280d6e6be65a3b867570fd02951201ecdb493f9bd