[INFO] fetching crate ml-distance 1.0.1...
[INFO] checking ml-distance-1.0.1 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate ml-distance 1.0.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate ml-distance 1.0.1
[INFO] finished tweaking crates.io crate ml-distance 1.0.1
[INFO] tweaked toml for crates.io crate ml-distance 1.0.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ml-distance 1.0.1 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded approx v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6525eb91c6a3b651b1d033eb1df60117a8ef8ca1dba406e4062753dd37d1751d
[INFO] running `Command { std: "docker" "start" "-a" "6525eb91c6a3b651b1d033eb1df60117a8ef8ca1dba406e4062753dd37d1751d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6525eb91c6a3b651b1d033eb1df60117a8ef8ca1dba406e4062753dd37d1751d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6525eb91c6a3b651b1d033eb1df60117a8ef8ca1dba406e4062753dd37d1751d", kill_on_drop: false }`
[INFO] [stdout] 6525eb91c6a3b651b1d033eb1df60117a8ef8ca1dba406e4062753dd37d1751d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a4ebb3ef659371034377c0960c3272dd10600f47c02c81122f57de921d8eac9
[INFO] running `Command { std: "docker" "start" "-a" "4a4ebb3ef659371034377c0960c3272dd10600f47c02c81122f57de921d8eac9", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking ml-distance v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/distance.rs:261:27
[INFO] [stdout]     |
[INFO] [stdout] 261 |         .map(|(p_i, q_i)| ((p_i - q_i).powi(2) / q_i))
[INFO] [stdout]     |                           ^                         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 261 -         .map(|(p_i, q_i)| ((p_i - q_i).powi(2) / q_i))
[INFO] [stdout] 261 +         .map(|(p_i, q_i)| (p_i - q_i).powi(2) / q_i)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/distance.rs:269:27
[INFO] [stdout]     |
[INFO] [stdout] 269 |         .map(|(p_i, q_i)| ((p_i - q_i).powi(2) / p_i))
[INFO] [stdout]     |                           ^                         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 269 -         .map(|(p_i, q_i)| ((p_i - q_i).powi(2) / p_i))
[INFO] [stdout] 269 +         .map(|(p_i, q_i)| (p_i - q_i).powi(2) / p_i)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/distance.rs:277:27
[INFO] [stdout]     |
[INFO] [stdout] 277 |         .map(|(p_i, q_i)| ((p_i - q_i).powi(2) / (p_i + q_i)))
[INFO] [stdout]     |                           ^                                 ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 277 -         .map(|(p_i, q_i)| ((p_i - q_i).powi(2) / (p_i + q_i)))
[INFO] [stdout] 277 +         .map(|(p_i, q_i)| (p_i - q_i).powi(2) / (p_i + q_i))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/distance.rs:290:27
[INFO] [stdout]     |
[INFO] [stdout] 290 |         .map(|(p_i, q_i)| ((p_i - q_i).powi(2) / (p_i + q_i).powi(2)))
[INFO] [stdout]     |                           ^                                         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 290 -         .map(|(p_i, q_i)| ((p_i - q_i).powi(2) / (p_i + q_i).powi(2)))
[INFO] [stdout] 290 +         .map(|(p_i, q_i)| (p_i - q_i).powi(2) / (p_i + q_i).powi(2))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/distance.rs:261:27
[INFO] [stdout]     |
[INFO] [stdout] 261 |         .map(|(p_i, q_i)| ((p_i - q_i).powi(2) / q_i))
[INFO] [stdout]     |                           ^                         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 261 -         .map(|(p_i, q_i)| ((p_i - q_i).powi(2) / q_i))
[INFO] [stdout] 261 +         .map(|(p_i, q_i)| (p_i - q_i).powi(2) / q_i)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/distance.rs:269:27
[INFO] [stdout]     |
[INFO] [stdout] 269 |         .map(|(p_i, q_i)| ((p_i - q_i).powi(2) / p_i))
[INFO] [stdout]     |                           ^                         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 269 -         .map(|(p_i, q_i)| ((p_i - q_i).powi(2) / p_i))
[INFO] [stdout] 269 +         .map(|(p_i, q_i)| (p_i - q_i).powi(2) / p_i)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/distance.rs:277:27
[INFO] [stdout]     |
[INFO] [stdout] 277 |         .map(|(p_i, q_i)| ((p_i - q_i).powi(2) / (p_i + q_i)))
[INFO] [stdout]     |                           ^                                 ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 277 -         .map(|(p_i, q_i)| ((p_i - q_i).powi(2) / (p_i + q_i)))
[INFO] [stdout] 277 +         .map(|(p_i, q_i)| (p_i - q_i).powi(2) / (p_i + q_i))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/distance.rs:290:27
[INFO] [stdout]     |
[INFO] [stdout] 290 |         .map(|(p_i, q_i)| ((p_i - q_i).powi(2) / (p_i + q_i).powi(2)))
[INFO] [stdout]     |                           ^                                         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 290 -         .map(|(p_i, q_i)| ((p_i - q_i).powi(2) / (p_i + q_i).powi(2)))
[INFO] [stdout] 290 +         .map(|(p_i, q_i)| (p_i - q_i).powi(2) / (p_i + q_i).powi(2))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `Command { std: "docker" "inspect" "4a4ebb3ef659371034377c0960c3272dd10600f47c02c81122f57de921d8eac9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a4ebb3ef659371034377c0960c3272dd10600f47c02c81122f57de921d8eac9", kill_on_drop: false }`
[INFO] [stdout] 4a4ebb3ef659371034377c0960c3272dd10600f47c02c81122f57de921d8eac9