[INFO] cloning repository https://github.com/renorram/ll_parser
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/renorram/ll_parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frenorram%2Fll_parser"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frenorram%2Fll_parser'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c61e61359659ea64cf3d3d5f92681fd3613973de
[INFO] checking renorram/ll_parser against try#879b8cb7dc2ad9102994457e73cf78d124926ea5 for pr-73084
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frenorram%2Fll_parser" "/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/renorram/ll_parser on toolchain 879b8cb7dc2ad9102994457e73cf78d124926ea5
[INFO] running `"/workspace/cargo-home/bin/cargo" "+879b8cb7dc2ad9102994457e73cf78d124926ea5" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/renorram/ll_parser
[INFO] finished tweaking git repo https://github.com/renorram/ll_parser
[INFO] tweaked toml for git repo https://github.com/renorram/ll_parser written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/renorram/ll_parser already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+879b8cb7dc2ad9102994457e73cf78d124926ea5" "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" "+879b8cb7dc2ad9102994457e73cf78d124926ea5" "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] 04deeb9a798980412012fc7747074552b0c91cf6303bfe3709b304bb360557c8
[INFO] running `"docker" "start" "-a" "04deeb9a798980412012fc7747074552b0c91cf6303bfe3709b304bb360557c8"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking first_follow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: enum is never used: `GrammarError`
[INFO] [stderr]  --> src/grammar.rs:4:10
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub enum GrammarError {
[INFO] [stderr]   |          ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `production_is_initial`
[INFO] [stderr]   --> src/grammar.rs:17:12
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn production_is_initial(&self, production: &Production) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_variable`
[INFO] [stderr]   --> src/grammar.rs:29:12
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn add_variable(&mut self, variable: char) -> Result<(), GrammarError> {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_terminal`
[INFO] [stderr]   --> src/grammar.rs:37:12
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn add_terminal(&mut self, terminal: String) {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DollarSign`
[INFO] [stderr]   --> src/token.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     DollarSign,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `ends_with_token`
[INFO] [stderr]   --> src/production.rs:34:12
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn ends_with_token(&self, token: &Token) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_follows`
[INFO] [stderr]   --> src/production.rs:47:12
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn set_follows(&mut self, follows: HashSet<Token>) {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_derivation_slices`
[INFO] [stderr]   --> src/production.rs:51:12
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn get_derivation_slices(&self) -> std::str::Split<'_, &str> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `fetch_follows`
[INFO] [stderr]  --> src/follow.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn fetch_follows(production: &Production, grammar: &Grammar) -> HashSet<Token> {
[INFO] [stderr]   |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `compute_follows`
[INFO] [stderr]   --> src/follow.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn compute_follows(&mut self) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `GrammarError`
[INFO] [stderr]  --> src/grammar.rs:4:10
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub enum GrammarError {
[INFO] [stderr]   |          ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_variable`
[INFO] [stderr]   --> src/grammar.rs:29:12
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn add_variable(&mut self, variable: char) -> Result<(), GrammarError> {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_terminal`
[INFO] [stderr]   --> src/grammar.rs:37:12
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn add_terminal(&mut self, terminal: String) {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `ends_with_token`
[INFO] [stderr]   --> src/production.rs:34:12
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn ends_with_token(&self, token: &Token) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_derivation_slices`
[INFO] [stderr]   --> src/production.rs:51:12
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn get_derivation_slices(&self) -> std::str::Split<'_, &str> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `"docker" "inspect" "04deeb9a798980412012fc7747074552b0c91cf6303bfe3709b304bb360557c8"`
[INFO] running `"docker" "rm" "-f" "04deeb9a798980412012fc7747074552b0c91cf6303bfe3709b304bb360557c8"`
[INFO] [stdout] 04deeb9a798980412012fc7747074552b0c91cf6303bfe3709b304bb360557c8