[INFO] cloning repository https://github.com/EralpCelebi/rrep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EralpCelebi/rrep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEralpCelebi%2Frrep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEralpCelebi%2Frrep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 42d2cdbba9fe738e3be5b802f16deca120384e86
[INFO] checking EralpCelebi/rrep against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEralpCelebi%2Frrep" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/EralpCelebi/rrep 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/EralpCelebi/rrep
[INFO] finished tweaking git repo https://github.com/EralpCelebi/rrep
[INFO] tweaked toml for git repo https://github.com/EralpCelebi/rrep written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/EralpCelebi/rrep 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 1c3cd2f32a2ec6296de30e9ceadbae4de6b8f15cdac54428c507fb2912a05855
[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" "1c3cd2f32a2ec6296de30e9ceadbae4de6b8f15cdac54428c507fb2912a05855", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c3cd2f32a2ec6296de30e9ceadbae4de6b8f15cdac54428c507fb2912a05855", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c3cd2f32a2ec6296de30e9ceadbae4de6b8f15cdac54428c507fb2912a05855", kill_on_drop: false }`
[INFO] [stdout] 1c3cd2f32a2ec6296de30e9ceadbae4de6b8f15cdac54428c507fb2912a05855
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 80c46caa8f7a1ddf93e8ea65a8bbac87f048991f5813452ebe7dc95d18c930a2
[INFO] running `Command { std: "docker" "start" "-a" "80c46caa8f7a1ddf93e8ea65a8bbac87f048991f5813452ebe7dc95d18c930a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]     Checking termion v1.5.3
[INFO] [stderr]     Checking rrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/config/mod.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(query: &str, fname: &str) -> Config {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_config`
[INFO] [stdout]   --> src/config/mod.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn parse_config(arg: &[String]) -> Result<Config,ErrorKind> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/search/mod.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new(line: usize, ch: usize) -> Word {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `search`
[INFO] [stdout]   --> src/search/mod.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn search(conf: config::Config, data: &str) -> Result<Vec<Word>,ErrorKind> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.04s
[INFO] running `Command { std: "docker" "inspect" "80c46caa8f7a1ddf93e8ea65a8bbac87f048991f5813452ebe7dc95d18c930a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80c46caa8f7a1ddf93e8ea65a8bbac87f048991f5813452ebe7dc95d18c930a2", kill_on_drop: false }`
[INFO] [stdout] 80c46caa8f7a1ddf93e8ea65a8bbac87f048991f5813452ebe7dc95d18c930a2