[INFO] crate rust-lapper 0.3.9 is already in cache
[INFO] checking rust-lapper-0.3.9 against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] extracting crate rust-lapper 0.3.9 into work/builds/worker-1/source
[INFO] validating manifest of crates.io crate rust-lapper 0.3.9 on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rust-lapper 0.3.9
[INFO] finished tweaking crates.io crate rust-lapper 0.3.9
[INFO] tweaked toml for crates.io crate rust-lapper 0.3.9 written to work/builds/worker-1/source/Cargo.toml
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 805b4707ec9740edb84235a07740823385e7ab8f8f6d91f919df0d9e161e9660
[INFO] running `"docker" "start" "-a" "805b4707ec9740edb84235a07740823385e7ab8f8f6d91f919df0d9e161e9660"`
[INFO] [stderr]    Compiling bio v0.28.2
[INFO] [stderr]     Checking rust-lapper v0.3.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking nested_intervals v0.2.0
[INFO] [stderr]     Checking cpu-time v0.1.0
[INFO] [stderr]    Compiling strum_macros v0.13.0
[INFO] [stderr]     Checking rand_xoshiro v0.3.1
[INFO] [stderr]     Checking rand_os v0.2.2
[INFO] [stderr]     Checking criterion v0.3.0
[INFO] [stderr] warning: unused import: `criterion::black_box`
[INFO] [stderr]  --> benches/lapper_benchmark.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use criterion::black_box;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::prelude::*`
[INFO] [stderr]  --> benches/lapper_benchmark.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use rand::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]   --> benches/lapper_benchmark.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::time::Duration;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cpu_time::ProcessTime`
[INFO] [stderr]   --> benches/lapper_benchmark.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use cpu_time::ProcessTime;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> benches/lapper_benchmark.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |     for i in 0..n {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `nested_other_interval_set`
[INFO] [stderr]   --> benches/lapper_benchmark.rs:58:13
[INFO] [stderr]    |
[INFO] [stderr] 58 |     let mut nested_other_interval_set = IntervalSet::new(&nested_other_intervals).unwrap();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_nested_other_interval_set`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> benches/lapper_benchmark.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |     let mut nested_other_interval_set = IntervalSet::new(&nested_other_intervals).unwrap();
[INFO] [stderr]    |         ----^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.26s
[INFO] running `"docker" "inspect" "805b4707ec9740edb84235a07740823385e7ab8f8f6d91f919df0d9e161e9660"`
[INFO] running `"docker" "rm" "-f" "805b4707ec9740edb84235a07740823385e7ab8f8f6d91f919df0d9e161e9660"`
[INFO] [stdout] 805b4707ec9740edb84235a07740823385e7ab8f8f6d91f919df0d9e161e9660