[INFO] cloning repository https://github.com/alan20210202/particle
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alan20210202/particle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falan20210202%2Fparticle"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falan20210202%2Fparticle'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 55df2311ee8ab4565a0051711f26ba4890a52341
[INFO] checking alan20210202/particle against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falan20210202%2Fparticle" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alan20210202/particle on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/alan20210202/particle
[INFO] finished tweaking git repo https://github.com/alan20210202/particle
[INFO] tweaked toml for git repo https://github.com/alan20210202/particle written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] 6dd9c77a48e80c8956461a3c8aa0bb2ab31e532966536b6e21ce5d403734a180
[INFO] running `"docker" "start" "-a" "6dd9c77a48e80c8956461a3c8aa0bb2ab31e532966536b6e21ce5d403734a180"`
[INFO] [stderr]     Checking cast v0.1.0
[INFO] [stderr]     Checking multimap v0.4.0
[INFO] [stderr]     Checking simplelog v0.4.4
[INFO] [stderr]     Checking criterion-plot v0.1.3
[INFO] [stderr]     Checking criterion-stats v0.1.3
[INFO] [stderr]     Checking particle v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion v0.1.2
[INFO] [stderr] warning: function is never used: `compile_regex_deprecated`
[INFO] [stderr]    --> src/regex.rs:249:1
[INFO] [stderr]     |
[INFO] [stderr] 249 | fn compile_regex_deprecated(regex: &str) -> Result<NFA, &'static str> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::fs;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msg`
[INFO] [stderr]   --> src/main.rs:66:17
[INFO] [stderr]    |
[INFO] [stderr] 66 |             Err(msg) => {
[INFO] [stderr]    |                 ^^^ help: consider prefixing with an underscore: `_msg`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::fs;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msg`
[INFO] [stderr]   --> src/main.rs:66:17
[INFO] [stderr]    |
[INFO] [stderr] 66 |             Err(msg) => {
[INFO] [stderr]    |                 ^^^ help: consider prefixing with an underscore: `_msg`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `compile_regex_deprecated`
[INFO] [stderr]    --> src/regex.rs:249:1
[INFO] [stderr]     |
[INFO] [stderr] 249 | fn compile_regex_deprecated(regex: &str) -> Result<NFA, &'static str> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `cnt` is assigned to, but never used
[INFO] [stderr]   --> benches/benchmark.rs:88:21
[INFO] [stderr]    |
[INFO] [stderr] 88 |             let mut cnt = 0usize;
[INFO] [stderr]    |                     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]    = note: consider using `_cnt` instead
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `bench_regex_to_nfa`
[INFO] [stderr]   --> benches/benchmark.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn bench_regex_to_nfa(c: &mut Criterion) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `bench_nfa_to_dfa`
[INFO] [stderr]   --> benches/benchmark.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn bench_nfa_to_dfa(c: &mut Criterion) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `bench_dfa_minimize`
[INFO] [stderr]   --> benches/benchmark.rs:28:1
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn bench_dfa_minimize(c: &mut Criterion) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `bench_all`
[INFO] [stderr]   --> benches/benchmark.rs:38:1
[INFO] [stderr]    |
[INFO] [stderr] 38 | fn bench_all(c: &mut Criterion) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.13s
[INFO] running `"docker" "inspect" "6dd9c77a48e80c8956461a3c8aa0bb2ab31e532966536b6e21ce5d403734a180"`
[INFO] running `"docker" "rm" "-f" "6dd9c77a48e80c8956461a3c8aa0bb2ab31e532966536b6e21ce5d403734a180"`
[INFO] [stdout] 6dd9c77a48e80c8956461a3c8aa0bb2ab31e532966536b6e21ce5d403734a180