[INFO] updating cached repository alan20210202/particle
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/alan20210202/particle
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/alan20210202/particle" "work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/alan20210202/particle"`
[INFO] [stderr] Cloning into 'work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/alan20210202/particle'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/alan20210202/particle" "work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/alan20210202/particle"`
[INFO] [stderr] Cloning into 'work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/alan20210202/particle'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 55df2311ee8ab4565a0051711f26ba4890a52341
[INFO] sha for GitHub repo alan20210202/particle: 55df2311ee8ab4565a0051711f26ba4890a52341
[INFO] validating manifest of alan20210202/particle on toolchain master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of alan20210202/particle on toolchain try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing alan20210202/particle
[INFO] finished frobbing alan20210202/particle
[INFO] frobbed toml for alan20210202/particle written to work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/alan20210202/particle/Cargo.toml
[INFO] started frobbing alan20210202/particle
[INFO] finished frobbing alan20210202/particle
[INFO] frobbed toml for alan20210202/particle written to work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/alan20210202/particle/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking alan20210202/particle against try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af for pr-61753
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61753/worker-3/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/alan20210202/particle:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e928629c56e9a610f8328811dc16705c90d97bf8266930b3138f64471dd7f2cd
[INFO] running `"docker" "start" "-a" "e928629c56e9a610f8328811dc16705c90d97bf8266930b3138f64471dd7f2cd"`
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]     Checking criterion-plot v0.1.3
[INFO] [stderr]     Checking rustc-hash v1.0.1
[INFO] [stderr]     Checking multimap v0.4.0
[INFO] [stderr]     Checking simplelog v0.4.4
[INFO] [stderr]     Checking criterion-stats v0.1.3
[INFO] [stderr]     Checking particle v0.1.1 (/opt/crater/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 9.51s
[INFO] running `"docker" "inspect" "e928629c56e9a610f8328811dc16705c90d97bf8266930b3138f64471dd7f2cd"`
[INFO] running `"docker" "rm" "-f" "e928629c56e9a610f8328811dc16705c90d97bf8266930b3138f64471dd7f2cd"`
[INFO] [stdout] e928629c56e9a610f8328811dc16705c90d97bf8266930b3138f64471dd7f2cd