[INFO] fetching crate rstat 0.4.0...
[INFO] checking rstat-0.4.0 against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] extracting crate rstat 0.4.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rstat 0.4.0 on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rstat 0.4.0
[INFO] finished tweaking crates.io crate rstat 0.4.0
[INFO] tweaked toml for crates.io crate rstat 0.4.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate rstat 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 029dee74b01372d2e029869a1231d3cfb58b7bc5e4f4250572c6ba3ef887079c
[INFO] running `"docker" "start" "-a" "029dee74b01372d2e029869a1231d3cfb58b7bc5e4f4250572c6ba3ef887079c"`
[INFO] [stderr]    Compiling special-fun v0.2.0
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking num-iter v0.1.40
[INFO] [stderr]     Checking spaces v5.0.0
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking rstat v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Probability`
[INFO] [stderr]    --> src/simplex.rs:139:17
[INFO] [stderr]     |
[INFO] [stderr] 139 |     use super::{Probability, SimplexVector};
[INFO] [stderr]     |                 ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/univariate/rayleigh.rs:10:28
[INFO] [stderr]    |
[INFO] [stderr] 10 | const FOUR_MINUS_PI: f64 = (4.0 - PI);
[INFO] [stderr]    |                            ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `normal::Normal`
[INFO] [stderr]    --> src/mixture.rs:187:42
[INFO] [stderr]     |
[INFO] [stderr] 187 |     use crate::{prelude::*, univariate::{normal::Normal, uniform::Uniform}};
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/univariate/rayleigh.rs:10:28
[INFO] [stderr]    |
[INFO] [stderr] 10 | const FOUR_MINUS_PI: f64 = (4.0 - PI);
[INFO] [stderr]    |                            ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.25s
[INFO] running `"docker" "inspect" "029dee74b01372d2e029869a1231d3cfb58b7bc5e4f4250572c6ba3ef887079c"`
[INFO] running `"docker" "rm" "-f" "029dee74b01372d2e029869a1231d3cfb58b7bc5e4f4250572c6ba3ef887079c"`
[INFO] [stdout] 029dee74b01372d2e029869a1231d3cfb58b7bc5e4f4250572c6ba3ef887079c