[INFO] updating cached repository https://github.com/Axect/Peroxide
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/Axect/Peroxide
[INFO] [stderr]    9b21789..7d57ae6  dev        -> dev
[INFO] [stderr]    16d7a87..a56ce45  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a56ce459de25fd7202c28be08c66d8fc981aeee4
[INFO] checking Axect/Peroxide against master#b1f395de642e8be7bcbbd2bd8aaadab715851f49 for pr-69410
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAxect%2FPeroxide" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Axect/Peroxide on toolchain b1f395de642e8be7bcbbd2bd8aaadab715851f49
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b1f395de642e8be7bcbbd2bd8aaadab715851f49" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Axect/Peroxide
[INFO] finished tweaking git repo https://github.com/Axect/Peroxide
[INFO] tweaked toml for git repo https://github.com/Axect/Peroxide written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b1f395de642e8be7bcbbd2bd8aaadab715851f49" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b1f395de642e8be7bcbbd2bd8aaadab715851f49" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+b1f395de642e8be7bcbbd2bd8aaadab715851f49" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8ccf2440936e1a3a3ef876be77b59001e770b64bdf11dc12672734f9ccf4bb37
[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" "8ccf2440936e1a3a3ef876be77b59001e770b64bdf11dc12672734f9ccf4bb37"`
[INFO] [stderr]    Compiling peroxide v0.20.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling special-fun v0.2.0
[INFO] [stderr]     Checking special v0.8.1
[INFO] [stderr]     Checking float-cmp v0.6.0
[INFO] [stderr]     Checking rand_distr v0.2.2
[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: `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 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] 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]     Finished dev [unoptimized + debuginfo] target(s) in 32.25s
[INFO] running `"docker" "inspect" "8ccf2440936e1a3a3ef876be77b59001e770b64bdf11dc12672734f9ccf4bb37"`
[INFO] running `"docker" "rm" "-f" "8ccf2440936e1a3a3ef876be77b59001e770b64bdf11dc12672734f9ccf4bb37"`
[INFO] [stdout] 8ccf2440936e1a3a3ef876be77b59001e770b64bdf11dc12672734f9ccf4bb37