[INFO] cloning repository https://github.com/akesling/rootkitty
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/akesling/rootkitty" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakesling%2Frootkitty", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakesling%2Frootkitty'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1971239ef0ce8d091dca994557757debf9f901c5
[INFO] checking akesling/rootkitty against try#04ea1e1f1a12cfa912c228ca278237d92d0bb6df for pr-148477-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakesling%2Frootkitty" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/akesling/rootkitty
[INFO] finished tweaking git repo https://github.com/akesling/rootkitty
[INFO] tweaked toml for git repo https://github.com/akesling/rootkitty written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/akesling/rootkitty on toolchain 04ea1e1f1a12cfa912c228ca278237d92d0bb6df
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+04ea1e1f1a12cfa912c228ca278237d92d0bb6df" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/akesling/rootkitty 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" "+04ea1e1f1a12cfa912c228ca278237d92d0bb6df" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+04ea1e1f1a12cfa912c228ca278237d92d0bb6df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a91426bbc5e85166d9b9f614d29c325c1823b9a6e97eec647cf602f2ae15be8
[INFO] running `Command { std: "docker" "start" "-a" "6a91426bbc5e85166d9b9f614d29c325c1823b9a6e97eec647cf602f2ae15be8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a91426bbc5e85166d9b9f614d29c325c1823b9a6e97eec647cf602f2ae15be8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a91426bbc5e85166d9b9f614d29c325c1823b9a6e97eec647cf602f2ae15be8", kill_on_drop: false }`
[INFO] [stdout] 6a91426bbc5e85166d9b9f614d29c325c1823b9a6e97eec647cf602f2ae15be8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+04ea1e1f1a12cfa912c228ca278237d92d0bb6df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93d6709a76327c1bec75bd6c50de35ad76af4c87ff62cd041ef1684bbd5274f5
[INFO] running `Command { std: "docker" "start" "-a" "93d6709a76327c1bec75bd6c50de35ad76af4c87ff62cd041ef1684bbd5274f5", kill_on_drop: false }`
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[INFO] [stderr]     Checking rootkitty v0.1.0 (/opt/rustwide/workdir/crates/rootkitty)
[INFO] [stdout] warning: variants `Custom` and `Walkdir` are never constructed
[INFO] [stdout]   --> crates/rootkitty/src/scanner.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub enum ScannerImpl {
[INFO] [stdout]    |          ----------- variants in this enum
[INFO] [stdout] 50 |     /// Custom rayon-based parallel implementation
[INFO] [stdout] 51 |     Custom,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 52 |     /// walkdir-based single-threaded implementation
[INFO] [stdout] 53 |     Walkdir,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ScannerImpl` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `new_with_impl` are never used
[INFO] [stdout]    --> crates/rootkitty/src/scanner.rs:125:12
[INFO] [stdout]     |
[INFO] [stdout]  78 | impl Scanner {
[INFO] [stdout]     | ------------ associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 125 |     pub fn new<P: AsRef<Path>>(root_path: P) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 130 |     pub fn new_with_impl<P: AsRef<Path>>(root_path: P, implementation: ScannerImpl) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 51.76s
[INFO] running `Command { std: "docker" "inspect" "93d6709a76327c1bec75bd6c50de35ad76af4c87ff62cd041ef1684bbd5274f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93d6709a76327c1bec75bd6c50de35ad76af4c87ff62cd041ef1684bbd5274f5", kill_on_drop: false }`
[INFO] [stdout] 93d6709a76327c1bec75bd6c50de35ad76af4c87ff62cd041ef1684bbd5274f5