[INFO] cloning repository https://github.com/xgzeng/git-mirrorbot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xgzeng/git-mirrorbot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxgzeng%2Fgit-mirrorbot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxgzeng%2Fgit-mirrorbot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ac158b9507f0ec38b4e892fe8797f1a7760ca79a
[INFO] checking xgzeng/git-mirrorbot against 36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6 for pr-160581
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxgzeng%2Fgit-mirrorbot" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/xgzeng/git-mirrorbot
[INFO] finished tweaking git repo https://github.com/xgzeng/git-mirrorbot
[INFO] tweaked toml for git repo https://github.com/xgzeng/git-mirrorbot written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/xgzeng/git-mirrorbot on toolchain 36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/xgzeng/git-mirrorbot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "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-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] d28e46873d1bceb456cd01d5f8940bbff0599503c1052921fac45d5b1bbaa9ea
[INFO] running `Command { std: "docker" "start" "d28e46873d1bceb456cd01d5f8940bbff0599503c1052921fac45d5b1bbaa9ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d28e46873d1bceb456cd01d5f8940bbff0599503c1052921fac45d5b1bbaa9ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d28e46873d1bceb456cd01d5f8940bbff0599503c1052921fac45d5b1bbaa9ea" "/opt/rustwide/cargo-home/bin/cargo" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d28e46873d1bceb456cd01d5f8940bbff0599503c1052921fac45d5b1bbaa9ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d28e46873d1bceb456cd01d5f8940bbff0599503c1052921fac45d5b1bbaa9ea" "/opt/rustwide/cargo-home/bin/cargo" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: field `mirror_urls` is never read
[INFO] [stdout]    --> src/repo/mod.rs:168:5
[INFO] [stdout]     |
[INFO] [stdout] 165 | struct RepoMirror {
[INFO] [stdout]     |        ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 168 |     mirror_urls: Vec<String>,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `fetch` is never used
[INFO] [stdout]    --> src/repo/mod.rs:220:8
[INFO] [stdout]     |
[INFO] [stdout] 172 | impl RepoMirror {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 220 |     fn fetch(&self, fetch_options: Option<&mut git2::FetchOptions<'_>>) -> Result<()> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mirror_urls` is never read
[INFO] [stdout]    --> src/repo/mod.rs:168:5
[INFO] [stdout]     |
[INFO] [stdout] 165 | struct RepoMirror {
[INFO] [stdout]     |        ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 168 |     mirror_urls: Vec<String>,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `fetch` is never used
[INFO] [stdout]    --> src/repo/mod.rs:220:8
[INFO] [stdout]     |
[INFO] [stdout] 172 | impl RepoMirror {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 220 |     fn fetch(&self, fetch_options: Option<&mut git2::FetchOptions<'_>>) -> Result<()> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 27s
[INFO] running `Command { std: "docker" "inspect" "d28e46873d1bceb456cd01d5f8940bbff0599503c1052921fac45d5b1bbaa9ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d28e46873d1bceb456cd01d5f8940bbff0599503c1052921fac45d5b1bbaa9ea", kill_on_drop: false }`
[INFO] [stdout] d28e46873d1bceb456cd01d5f8940bbff0599503c1052921fac45d5b1bbaa9ea
