[INFO] fetching crate peroxide 0.21.2...
[INFO] checking peroxide-0.21.2 against master#d939f708d960161d23b964309ba68ff207fc0ead for pr-70087
[INFO] extracting crate peroxide 0.21.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate peroxide 0.21.2 on toolchain d939f708d960161d23b964309ba68ff207fc0ead
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate peroxide 0.21.2
[INFO] finished tweaking crates.io crate peroxide 0.21.2
[INFO] tweaked toml for crates.io crate peroxide 0.21.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate peroxide 0.21.2 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+d939f708d960161d23b964309ba68ff207fc0ead" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9fe70448cb8d27dfc093305d7ec81bf068e5fbab87c07ce430a63b3d4cfff4dc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "9fe70448cb8d27dfc093305d7ec81bf068e5fbab87c07ce430a63b3d4cfff4dc"`
[INFO] [stderr]    Compiling peroxide v0.21.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking puruspe v0.1.3
[INFO] [stderr]     Checking bstr v0.2.11
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr] warning: unused import: `PI`
[INFO] [stderr]    --> src/statistics/dist.rs:135:27
[INFO] [stderr]     |
[INFO] [stderr] 135 | use std::f64::consts::{E, PI};
[INFO] [stderr]     |                           ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `PI`
[INFO] [stderr]    --> src/statistics/dist.rs:135:27
[INFO] [stderr]     |
[INFO] [stderr] 135 | use std::f64::consts::{E, PI};
[INFO] [stderr]     |                           ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `odd_nu`
[INFO] [stderr]    --> src/statistics/dist.rs:274:21
[INFO] [stderr]     |
[INFO] [stderr] 274 |                 let odd_nu = (nu + 1f64) / 2f64;
[INFO] [stderr]     |                     ^^^^^^ help: consider prefixing with an underscore: `_odd_nu`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]    --> src/structure/polynomial.rs:399:20
[INFO] [stderr]     |
[INFO] [stderr] 399 |     fn powf(&self, f: f64) -> Self {
[INFO] [stderr]     |                    ^ help: consider prefixing with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `k` is never read
[INFO] [stderr]    --> src/numerical/eigen.rs:176:13
[INFO] [stderr]     |
[INFO] [stderr] 176 |     let mut k = 0usize;
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `h` is never read
[INFO] [stderr]   --> src/numerical/eigen.rs:94:17
[INFO] [stderr]    |
[INFO] [stderr] 94 |         let mut h = 0f64;
[INFO] [stderr]    |                 ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable `n_rot` is assigned to, but never used
[INFO] [stderr]   --> src/numerical/eigen.rs:95:17
[INFO] [stderr]    |
[INFO] [stderr] 95 |         let mut n_rot = self.n_rot;
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_n_rot` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]    --> src/redox/redoxable.rs:168:19
[INFO] [stderr]     |
[INFO] [stderr] 168 |     fn pow(&self, f: Self) -> Self {
[INFO] [stderr]     |                   ^ help: consider prefixing with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `odd_nu`
[INFO] [stderr]    --> src/statistics/dist.rs:274:21
[INFO] [stderr]     |
[INFO] [stderr] 274 |                 let odd_nu = (nu + 1f64) / 2f64;
[INFO] [stderr]     |                     ^^^^^^ help: consider prefixing with an underscore: `_odd_nu`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]    --> src/structure/polynomial.rs:399:20
[INFO] [stderr]     |
[INFO] [stderr] 399 |     fn powf(&self, f: f64) -> Self {
[INFO] [stderr]     |                    ^ help: consider prefixing with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `k` is never read
[INFO] [stderr]    --> src/numerical/eigen.rs:176:13
[INFO] [stderr]     |
[INFO] [stderr] 176 |     let mut k = 0usize;
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `h` is never read
[INFO] [stderr]   --> src/numerical/eigen.rs:94:17
[INFO] [stderr]    |
[INFO] [stderr] 94 |         let mut h = 0f64;
[INFO] [stderr]    |                 ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable `n_rot` is assigned to, but never used
[INFO] [stderr]   --> src/numerical/eigen.rs:95:17
[INFO] [stderr]    |
[INFO] [stderr] 95 |         let mut n_rot = self.n_rot;
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_n_rot` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]    --> src/redox/redoxable.rs:168:19
[INFO] [stderr]     |
[INFO] [stderr] 168 |     fn pow(&self, f: Self) -> Self {
[INFO] [stderr]     |                   ^ help: consider prefixing with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> examples/ode_gl4.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let x = result.col(0);
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]   --> examples/ode_gl4.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let y = result.col(1);
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::remove_file`
[INFO] [stderr]  --> tests/data_frame.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::fs::remove_file;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]   --> examples/ode_test_rk4.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let result = ode_solver.integrate();
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_result`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `results`
[INFO] [stderr]   --> examples/ode_test_lorenz.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let results = ex_test.integrate();
[INFO] [stderr]    |         ^^^^^^^ help: consider prefixing with an underscore: `_results`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `results2`
[INFO] [stderr]   --> examples/ode_test_lorenz.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let results2 = ex_test2.integrate();
[INFO] [stderr]    |         ^^^^^^^^ help: consider prefixing with an underscore: `_results2`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.41s
[INFO] running `"docker" "inspect" "9fe70448cb8d27dfc093305d7ec81bf068e5fbab87c07ce430a63b3d4cfff4dc"`
[INFO] running `"docker" "rm" "-f" "9fe70448cb8d27dfc093305d7ec81bf068e5fbab87c07ce430a63b3d4cfff4dc"`
[INFO] [stdout] 9fe70448cb8d27dfc093305d7ec81bf068e5fbab87c07ce430a63b3d4cfff4dc