[INFO] fetching crate ultrametric_matrix_tools 0.1.1...
[INFO] checking ultrametric_matrix_tools-0.1.1 against master#4eb62535fc12dd1a63fd43a4173e224e79313c4d for pr-158816
[INFO] extracting crate ultrametric_matrix_tools 0.1.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate ultrametric_matrix_tools 0.1.1
[INFO] finished tweaking crates.io crate ultrametric_matrix_tools 0.1.1
[INFO] tweaked toml for crates.io crate ultrametric_matrix_tools 0.1.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ultrametric_matrix_tools 0.1.1 on toolchain 4eb62535fc12dd1a63fd43a4173e224e79313c4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ultrametric_matrix_tools 0.1.1 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" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] b5bd90c1d6560663b008821b3653cae99b1039965a106b0c27231108d68c5c23
[INFO] running `Command { std: "docker" "start" "b5bd90c1d6560663b008821b3653cae99b1039965a106b0c27231108d68c5c23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5bd90c1d6560663b008821b3653cae99b1039965a106b0c27231108d68c5c23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b5bd90c1d6560663b008821b3653cae99b1039965a106b0c27231108d68c5c23" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5bd90c1d6560663b008821b3653cae99b1039965a106b0c27231108d68c5c23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b5bd90c1d6560663b008821b3653cae99b1039965a106b0c27231108d68c5c23" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking ultrametric_matrix_tools v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> benches/jacobi_method.rs:163:25
[INFO] [stdout]     |
[INFO] [stdout] 163 |             .map(|&val| ((val - tree_gen_mean).powi(2)))
[INFO] [stdout]     |                         ^                             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 163 -             .map(|&val| ((val - tree_gen_mean).powi(2)))
[INFO] [stdout] 163 +             .map(|&val| (val - tree_gen_mean).powi(2))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> benches/jacobi_method.rs:168:25
[INFO] [stdout]     |
[INFO] [stdout] 168 |             .map(|&val| ((val - tree_algo_mean).powi(2)))
[INFO] [stdout]     |                         ^                              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 168 -             .map(|&val| ((val - tree_algo_mean).powi(2)))
[INFO] [stdout] 168 +             .map(|&val| (val - tree_algo_mean).powi(2))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> benches/jacobi_method.rs:173:25
[INFO] [stdout]     |
[INFO] [stdout] 173 |             .map(|&val| ((val - complete_tree_algo_mean).powi(2)))
[INFO] [stdout]     |                         ^                                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 173 -             .map(|&val| ((val - complete_tree_algo_mean).powi(2)))
[INFO] [stdout] 173 +             .map(|&val| (val - complete_tree_algo_mean).powi(2))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> benches/jacobi_method.rs:178:25
[INFO] [stdout]     |
[INFO] [stdout] 178 |             .map(|&val| ((val - prune_tree_mean).powi(2)))
[INFO] [stdout]     |                         ^                               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 178 -             .map(|&val| ((val - prune_tree_mean).powi(2)))
[INFO] [stdout] 178 +             .map(|&val| (val - prune_tree_mean).powi(2))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> benches/jacobi_method.rs:183:25
[INFO] [stdout]     |
[INFO] [stdout] 183 |             .map(|&val| ((val - pruned_tree_algo_mean).powi(2)))
[INFO] [stdout]     |                         ^                                     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 183 -             .map(|&val| ((val - pruned_tree_algo_mean).powi(2)))
[INFO] [stdout] 183 +             .map(|&val| (val - pruned_tree_algo_mean).powi(2))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> benches/jacobi_method.rs:188:25
[INFO] [stdout]     |
[INFO] [stdout] 188 |             .map(|&val| ((val - complete_pruned_tree_mean).powi(2)))
[INFO] [stdout]     |                         ^                                         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 188 -             .map(|&val| ((val - complete_pruned_tree_mean).powi(2)))
[INFO] [stdout] 188 +             .map(|&val| (val - complete_pruned_tree_mean).powi(2))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> benches/jacobi_method.rs:193:25
[INFO] [stdout]     |
[INFO] [stdout] 193 |             .map(|&val| ((val - normal_algo_mean).powi(2)))
[INFO] [stdout]     |                         ^                                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 193 -             .map(|&val| ((val - normal_algo_mean).powi(2)))
[INFO] [stdout] 193 +             .map(|&val| (val - normal_algo_mean).powi(2))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.66s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5, nom v5.1.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "b5bd90c1d6560663b008821b3653cae99b1039965a106b0c27231108d68c5c23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5bd90c1d6560663b008821b3653cae99b1039965a106b0c27231108d68c5c23", kill_on_drop: false }`
[INFO] [stdout] b5bd90c1d6560663b008821b3653cae99b1039965a106b0c27231108d68c5c23
