[INFO] updating cached repository https://github.com/OrfeasLitos/categories-for-programmers
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8827d8683711751ec658bdd5b0d0e305d5dfb10c
[INFO] checking OrfeasLitos/categories-for-programmers against try#879b8cb7dc2ad9102994457e73cf78d124926ea5 for pr-73084
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOrfeasLitos%2Fcategories-for-programmers" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/OrfeasLitos/categories-for-programmers on toolchain 879b8cb7dc2ad9102994457e73cf78d124926ea5
[INFO] running `"/workspace/cargo-home/bin/cargo" "+879b8cb7dc2ad9102994457e73cf78d124926ea5" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/OrfeasLitos/categories-for-programmers
[INFO] finished tweaking git repo https://github.com/OrfeasLitos/categories-for-programmers
[INFO] tweaked toml for git repo https://github.com/OrfeasLitos/categories-for-programmers written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/OrfeasLitos/categories-for-programmers already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+879b8cb7dc2ad9102994457e73cf78d124926ea5" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+879b8cb7dc2ad9102994457e73cf78d124926ea5" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c873e62febd8a200593bdf09e3badde7355ca5e2bbc4c132a2f6b674ae7a7226
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "c873e62febd8a200593bdf09e3badde7355ca5e2bbc4c132a2f6b674ae7a7226"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking categories-for-programmers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `memoize`
[INFO] [stderr]   --> src/memoize.rs:31:8
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub fn memoize<R: Eq + Hash, S: Clone>(f: &'static (dyn Fn(&R) -> S)) -> Box<(dyn FnMut(R) -> S)> {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "c873e62febd8a200593bdf09e3badde7355ca5e2bbc4c132a2f6b674ae7a7226"`
[INFO] running `"docker" "rm" "-f" "c873e62febd8a200593bdf09e3badde7355ca5e2bbc4c132a2f6b674ae7a7226"`
[INFO] [stdout] c873e62febd8a200593bdf09e3badde7355ca5e2bbc4c132a2f6b674ae7a7226