[INFO] cloning repository https://github.com/lilyhlou/regex-expression-finder
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lilyhlou/regex-expression-finder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flilyhlou%2Fregex-expression-finder"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flilyhlou%2Fregex-expression-finder'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1739be743936b7dfffdb06fd9eba5cae93247af6
[INFO] checking lilyhlou/regex-expression-finder against master#914adf04af1c1a984707f778da3d04590c03d144 for pr-72331
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flilyhlou%2Fregex-expression-finder" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lilyhlou/regex-expression-finder on toolchain 914adf04af1c1a984707f778da3d04590c03d144
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/lilyhlou/regex-expression-finder
[INFO] finished tweaking git repo https://github.com/lilyhlou/regex-expression-finder
[INFO] tweaked toml for git repo https://github.com/lilyhlou/regex-expression-finder written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/lilyhlou/regex-expression-finder already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+914adf04af1c1a984707f778da3d04590c03d144" "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] b650f326637c2064e0755fb08083afb3160b74aa03153e0b9d7293d870d01e78
[INFO] running `"docker" "start" "-a" "b650f326637c2064e0755fb08083afb3160b74aa03153e0b9d7293d870d01e78"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]    Compiling escargot v0.3.1
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking regex-syntax v0.6.5
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]    Compiling syn v0.15.27
[INFO] [stderr]     Checking float-cmp v0.4.0
[INFO] [stderr]     Checking predicates v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]    Compiling structopt-derive v0.2.14
[INFO] [stderr]     Checking structopt v0.2.14
[INFO] [stderr]     Checking thegrep v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde v1.0.89
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking assert_cmd v0.10.2
[INFO] [stderr] warning: module `createAST` should have a snake case name
[INFO] [stderr]   --> src/parser.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |     mod createAST {
[INFO] [stderr]    |         ^^^^^^^^^ help: convert the identifier to snake case: `create_ast`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `parse_oneOrMore` should have a snake case name
[INFO] [stderr]    --> src/parser.rs:119:12
[INFO] [stderr]     |
[INFO] [stderr] 119 |         fn parse_oneOrMore() {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `parse_one_or_more`
[INFO] [stderr] 
[INFO] [stderr] warning: module `parserLexemes` should have a snake case name
[INFO] [stderr]    --> src/parser.rs:241:9
[INFO] [stderr]     |
[INFO] [stderr] 241 |     mod parserLexemes {
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: convert the identifier to snake case: `parser_lexemes`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.01s
[INFO] running `"docker" "inspect" "b650f326637c2064e0755fb08083afb3160b74aa03153e0b9d7293d870d01e78"`
[INFO] running `"docker" "rm" "-f" "b650f326637c2064e0755fb08083afb3160b74aa03153e0b9d7293d870d01e78"`
[INFO] [stdout] b650f326637c2064e0755fb08083afb3160b74aa03153e0b9d7293d870d01e78