[INFO] updating cached repository https://github.com/nooberfsh/eac2
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/nooberfsh/eac2
[INFO] [stderr]    9ea567e..58c7dde  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 58c7ddefa0397f3cc57360aca3bfbe5e035ca8bd
[INFO] checking nooberfsh/eac2 against try#8d67a66581ea5498d7ac03b8f88a478d8ec75cf0 for pr-64564
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnooberfsh%2Feac2" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nooberfsh/eac2 on toolchain 8d67a66581ea5498d7ac03b8f88a478d8ec75cf0-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+8d67a66581ea5498d7ac03b8f88a478d8ec75cf0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/nooberfsh/eac2
[INFO] finished tweaking git repo https://github.com/nooberfsh/eac2
[INFO] tweaked toml for git repo https://github.com/nooberfsh/eac2 written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/nooberfsh/eac2 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+8d67a66581ea5498d7ac03b8f88a478d8ec75cf0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+8d67a66581ea5498d7ac03b8f88a478d8ec75cf0-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1f981c0f99f50b3047c9a2b6ad8299c2c0f58353c452db073384a4aa230e6b46
[INFO] running `"docker" "start" "-a" "1f981c0f99f50b3047c9a2b6ad8299c2c0f58353c452db073384a4aa230e6b46"`
[INFO] [stderr]     Checking eac2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `NonTerminal`
[INFO] [stderr]  --> src/parser/backtrack_parse.rs:1:28
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::parser::{Error, NonTerminal, ParseTree, Terminal, CFG};
[INFO] [stderr]   |                            ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cfg`
[INFO] [stderr]  --> src/parser/backtrack_parse.rs:3:24
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn backtrack_parse(cfg: &CFG, tokens: &[Terminal]) -> Result<ParseTree, Error> {
[INFO] [stderr]   |                        ^^^ help: consider prefixing with an underscore: `_cfg`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tokens`
[INFO] [stderr]  --> src/parser/backtrack_parse.rs:3:35
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn backtrack_parse(cfg: &CFG, tokens: &[Terminal]) -> Result<ParseTree, Error> {
[INFO] [stderr]   |                                   ^^^^^^ help: consider prefixing with an underscore: `_tokens`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `NonTerminal`
[INFO] [stderr]  --> src/parser/backtrack_parse.rs:1:28
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::parser::{Error, NonTerminal, ParseTree, Terminal, CFG};
[INFO] [stderr]   |                            ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cfg`
[INFO] [stderr]  --> src/parser/backtrack_parse.rs:3:24
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn backtrack_parse(cfg: &CFG, tokens: &[Terminal]) -> Result<ParseTree, Error> {
[INFO] [stderr]   |                        ^^^ help: consider prefixing with an underscore: `_cfg`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tokens`
[INFO] [stderr]  --> src/parser/backtrack_parse.rs:3:35
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn backtrack_parse(cfg: &CFG, tokens: &[Terminal]) -> Result<ParseTree, Error> {
[INFO] [stderr]   |                                   ^^^^^^ help: consider prefixing with an underscore: `_tokens`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `"docker" "inspect" "1f981c0f99f50b3047c9a2b6ad8299c2c0f58353c452db073384a4aa230e6b46"`
[INFO] running `"docker" "rm" "-f" "1f981c0f99f50b3047c9a2b6ad8299c2c0f58353c452db073384a4aa230e6b46"`
[INFO] [stdout] 1f981c0f99f50b3047c9a2b6ad8299c2c0f58353c452db073384a4aa230e6b46