[INFO] cloning repository https://github.com/renorram/ll_parser
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frenorram%2Fll_parser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ee2ee3d4ee36dafc1c8b3e81263855ccbcc26dd4
[INFO] checking renorram/ll_parser against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frenorram%2Fll_parser" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[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 9fa580b1175018b0a276b0bc68f9827a106f7260
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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 `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c8e80d5cc1650548251a5850c16114c978948a4d52dfda73611d1c5d044e1a9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6c8e80d5cc1650548251a5850c16114c978948a4d52dfda73611d1c5d044e1a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c8e80d5cc1650548251a5850c16114c978948a4d52dfda73611d1c5d044e1a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c8e80d5cc1650548251a5850c16114c978948a4d52dfda73611d1c5d044e1a9", kill_on_drop: false }`
[INFO] [stdout] 6c8e80d5cc1650548251a5850c16114c978948a4d52dfda73611d1c5d044e1a9
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71c6c8147617f1c4f9a2f3b69145f437f392cfc26819f57aca795e3289ca7eff
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "71c6c8147617f1c4f9a2f3b69145f437f392cfc26819f57aca795e3289ca7eff", kill_on_drop: false }`
[INFO] [stderr]     Checking first_follow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/follow.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn new(variable: char, token: Token) -> Item {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `process_follow_variable`
[INFO] [stdout]   --> src/follow.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn process_follow_variable(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `process_follow_rule2`
[INFO] [stdout]   --> src/follow.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn process_follow_rule2(variable: char, grammar: &Grammar) -> HashSet<Token> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `process_follow_rule3`
[INFO] [stdout]   --> src/follow.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn process_follow_rule3(next_token: Option<&Token>, grammar: &Grammar) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fetch_follows`
[INFO] [stdout]   --> src/follow.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn fetch_follows(
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `compute_follows`
[INFO] [stdout]    --> src/follow.rs:126:12
[INFO] [stdout]     |
[INFO] [stdout] 126 |     pub fn compute_follows(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `GrammarError`
[INFO] [stdout]  --> src/grammar.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum GrammarError {
[INFO] [stdout]   |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `production_is_initial`
[INFO] [stdout]   --> src/grammar.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn production_is_initial(&self, production: &Production) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_variable`
[INFO] [stdout]   --> src/grammar.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn add_variable(&mut self, variable: char) -> Result<(), GrammarError> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_terminal`
[INFO] [stdout]   --> src/grammar.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn add_terminal(&mut self, terminal: String) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_mut_production_by_var`
[INFO] [stdout]   --> src/grammar.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn get_mut_production_by_var(&mut self, variable: char) -> Option<&mut Production> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ends_with_token`
[INFO] [stdout]   --> src/production.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn ends_with_token(&self, token: &Token) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_follows`
[INFO] [stdout]   --> src/production.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn set_follows(&mut self, follows: HashSet<Token>) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_derivation_slices`
[INFO] [stdout]   --> src/production.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn get_derivation_slices(&self) -> std::str::Split<'_, &str> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DollarSign`
[INFO] [stdout]   --> src/token.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     DollarSign,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Placeholder`
[INFO] [stdout]   --> src/token.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Placeholder(char),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `GrammarError`
[INFO] [stdout]  --> src/grammar.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum GrammarError {
[INFO] [stdout]   |          ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_variable`
[INFO] [stdout]   --> src/grammar.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn add_variable(&mut self, variable: char) -> Result<(), GrammarError> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_terminal`
[INFO] [stdout]   --> src/grammar.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn add_terminal(&mut self, terminal: String) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ends_with_token`
[INFO] [stdout]   --> src/production.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn ends_with_token(&self, token: &Token) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_follows`
[INFO] [stdout]   --> src/production.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn set_follows(&mut self, follows: HashSet<Token>) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_derivation_slices`
[INFO] [stdout]   --> src/production.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn get_derivation_slices(&self) -> std::str::Split<'_, &str> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "71c6c8147617f1c4f9a2f3b69145f437f392cfc26819f57aca795e3289ca7eff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71c6c8147617f1c4f9a2f3b69145f437f392cfc26819f57aca795e3289ca7eff", kill_on_drop: false }`
[INFO] [stdout] 71c6c8147617f1c4f9a2f3b69145f437f392cfc26819f57aca795e3289ca7eff