[INFO] cloning repository https://github.com/sting8k/srcwalk
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sting8k/srcwalk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsting8k%2Fsrcwalk", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsting8k%2Fsrcwalk'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f046cbfcf67847a18209a9b58881b709b07c7057
[INFO] checking sting8k/srcwalk against 14450d27a2d0d3b3cb66037c8111ee3da14ed3c2 for pr-160391
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsting8k%2Fsrcwalk" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sting8k/srcwalk
[INFO] finished tweaking git repo https://github.com/sting8k/srcwalk
[INFO] tweaked toml for git repo https://github.com/sting8k/srcwalk written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sting8k/srcwalk on toolchain 14450d27a2d0d3b3cb66037c8111ee3da14ed3c2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+14450d27a2d0d3b3cb66037c8111ee3da14ed3c2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sting8k/srcwalk 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" "+14450d27a2d0d3b3cb66037c8111ee3da14ed3c2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a68e3d8d9363966cce7af9fbd2d0e08395f2778178501fba64fb7a8c15cfb4ad
[INFO] running `Command { std: "docker" "start" "a68e3d8d9363966cce7af9fbd2d0e08395f2778178501fba64fb7a8c15cfb4ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a68e3d8d9363966cce7af9fbd2d0e08395f2778178501fba64fb7a8c15cfb4ad", 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" "a68e3d8d9363966cce7af9fbd2d0e08395f2778178501fba64fb7a8c15cfb4ad" "/opt/rustwide/cargo-home/bin/cargo" "+14450d27a2d0d3b3cb66037c8111ee3da14ed3c2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a68e3d8d9363966cce7af9fbd2d0e08395f2778178501fba64fb7a8c15cfb4ad", 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" "a68e3d8d9363966cce7af9fbd2d0e08395f2778178501fba64fb7a8c15cfb4ad" "/opt/rustwide/cargo-home/bin/cargo" "+14450d27a2d0d3b3cb66037c8111ee3da14ed3c2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling tree-sitter v0.25.10
[INFO] [stderr]    Compiling serde_derive v1.0.228
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[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/evidence/owners/c_cpp.rs:1104:13
[INFO] [stdout]      |
[INFO] [stdout] 1104 |         let mut ranges: std::collections::HashSet<(u32, u32)> =
[INFO] [stdout]      |             ----^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cache`
[INFO] [stdout]     --> src/search/display/mod.rs:1824:13
[INFO] [stdout]      |
[INFO] [stdout] 1824 |         let cache = OutlineCache::default();
[INFO] [stdout]      |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_cache`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "a68e3d8d9363966cce7af9fbd2d0e08395f2778178501fba64fb7a8c15cfb4ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a68e3d8d9363966cce7af9fbd2d0e08395f2778178501fba64fb7a8c15cfb4ad", kill_on_drop: false }`
[INFO] [stdout] a68e3d8d9363966cce7af9fbd2d0e08395f2778178501fba64fb7a8c15cfb4ad