[INFO] cloning repository https://github.com/yichaolemon/RegexParser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yichaolemon/RegexParser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyichaolemon%2FRegexParser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyichaolemon%2FRegexParser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a6bde9e2d3abfc4f79597353a1037b6e9c99c4a
[INFO] checking yichaolemon/RegexParser against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyichaolemon%2FRegexParser" "/workspace/builds/worker-40/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-40/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yichaolemon/RegexParser on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yichaolemon/RegexParser
[INFO] finished tweaking git repo https://github.com/yichaolemon/RegexParser
[INFO] tweaked toml for git repo https://github.com/yichaolemon/RegexParser written to /workspace/builds/worker-40/source/Cargo.toml
[INFO] crate git repo https://github.com/yichaolemon/RegexParser already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13c74873189ec64daf69c79ae5e44e23ab6347ce8bab68677cd77034babf61c9
[INFO] running `Command { std: "docker" "start" "-a" "13c74873189ec64daf69c79ae5e44e23ab6347ce8bab68677cd77034babf61c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13c74873189ec64daf69c79ae5e44e23ab6347ce8bab68677cd77034babf61c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13c74873189ec64daf69c79ae5e44e23ab6347ce8bab68677cd77034babf61c9", kill_on_drop: false }`
[INFO] [stdout] 13c74873189ec64daf69c79ae5e44e23ab6347ce8bab68677cd77034babf61c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f90213af40b6ecdd0559b9ccad6b621e6ce15fc85b733fe7de0709711a261616
[INFO] running `Command { std: "docker" "start" "-a" "f90213af40b6ecdd0559b9ccad6b621e6ce15fc85b733fe7de0709711a261616", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking regex_parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `example`
[INFO] [stdout]    --> src/graph.rs:124:10
[INFO] [stdout]     |
[INFO] [stdout] 124 |   pub fn example(&self) -> Option<String> {
[INFO] [stdout]     |          ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `debug`
[INFO] [stdout]    --> src/dfa.rs:235:3
[INFO] [stdout]     |
[INFO] [stdout] 235 |   debug: String,
[INFO] [stdout]     |   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `example`
[INFO] [stdout]    --> src/graph.rs:124:10
[INFO] [stdout]     |
[INFO] [stdout] 124 |   pub fn example(&self) -> Option<String> {
[INFO] [stdout]     |          ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `is_match`
[INFO] [stdout]    --> src/dfa.rs:233:3
[INFO] [stdout]     |
[INFO] [stdout] 233 |   is_match: bool,
[INFO] [stdout]     |   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `debug`
[INFO] [stdout]    --> src/dfa.rs:235:3
[INFO] [stdout]     |
[INFO] [stdout] 235 |   debug: String,
[INFO] [stdout]     |   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 30s
[INFO] running `Command { std: "docker" "inspect" "f90213af40b6ecdd0559b9ccad6b621e6ce15fc85b733fe7de0709711a261616", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f90213af40b6ecdd0559b9ccad6b621e6ce15fc85b733fe7de0709711a261616", kill_on_drop: false }`
[INFO] [stdout] f90213af40b6ecdd0559b9ccad6b621e6ce15fc85b733fe7de0709711a261616