[INFO] cloning repository https://github.com/shika-blyat/parser_generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shika-blyat/parser_generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshika-blyat%2Fparser_generator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshika-blyat%2Fparser_generator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 602661ee1ef84aa4b597c86ca1d7c55975c925f9
[INFO] checking shika-blyat/parser_generator against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshika-blyat%2Fparser_generator" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shika-blyat/parser_generator on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shika-blyat/parser_generator
[INFO] finished tweaking git repo https://github.com/shika-blyat/parser_generator
[INFO] tweaked toml for git repo https://github.com/shika-blyat/parser_generator written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/shika-blyat/parser_generator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/shika-blyat/mini_parsec`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f3c5388ad6cbf85c7a8c1406a99f5365b890c966817cb0a5dc004553ab73a58
[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" "0f3c5388ad6cbf85c7a8c1406a99f5365b890c966817cb0a5dc004553ab73a58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f3c5388ad6cbf85c7a8c1406a99f5365b890c966817cb0a5dc004553ab73a58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f3c5388ad6cbf85c7a8c1406a99f5365b890c966817cb0a5dc004553ab73a58", kill_on_drop: false }`
[INFO] [stdout] 0f3c5388ad6cbf85c7a8c1406a99f5365b890c966817cb0a5dc004553ab73a58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 538e58c567a1f33a6547ab6b91c3b4cc270be0f15a55c5626bc9f98c4a04acdc
[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" "538e58c567a1f33a6547ab6b91c3b4cc270be0f15a55c5626bc9f98c4a04acdc", kill_on_drop: false }`
[INFO] [stderr]     Checking mini_rparsec v0.1.0 (https://github.com/shika-blyat/mini_parsec#d6af4fb5)
[INFO] [stderr]     Checking pgenerator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `rule_list`
[INFO] [stdout]  --> src/main.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn eval_orrule(rule_list: &Vec<Rule>, val: &str, grammar: &Grammar) {}
[INFO] [stdout]   |                    ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rule_list`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]  --> src/main.rs:9:43
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn eval_orrule(rule_list: &Vec<Rule>, val: &str, grammar: &Grammar) {}
[INFO] [stdout]   |                                           ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `grammar`
[INFO] [stdout]  --> src/main.rs:9:54
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn eval_orrule(rule_list: &Vec<Rule>, val: &str, grammar: &Grammar) {}
[INFO] [stdout]   |                                                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_grammar`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EXEMPLE_STRING`
[INFO] [stdout]  --> src/main.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | const EXEMPLE_STRING: &str = "aaaa";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rule_list`
[INFO] [stdout]  --> src/main.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn eval_orrule(rule_list: &Vec<Rule>, val: &str, grammar: &Grammar) {}
[INFO] [stdout]   |                    ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rule_list`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]  --> src/main.rs:9:43
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn eval_orrule(rule_list: &Vec<Rule>, val: &str, grammar: &Grammar) {}
[INFO] [stdout]   |                                           ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `grammar`
[INFO] [stdout]  --> src/main.rs:9:54
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn eval_orrule(rule_list: &Vec<Rule>, val: &str, grammar: &Grammar) {}
[INFO] [stdout]   |                                                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_grammar`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EXEMPLE_STRING`
[INFO] [stdout]  --> src/main.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | const EXEMPLE_STRING: &str = "aaaa";
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "538e58c567a1f33a6547ab6b91c3b4cc270be0f15a55c5626bc9f98c4a04acdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "538e58c567a1f33a6547ab6b91c3b4cc270be0f15a55c5626bc9f98c4a04acdc", kill_on_drop: false }`
[INFO] [stdout] 538e58c567a1f33a6547ab6b91c3b4cc270be0f15a55c5626bc9f98c4a04acdc