[INFO] cloning repository https://github.com/dionkoeze/persistency
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dionkoeze/persistency" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdionkoeze%2Fpersistency"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdionkoeze%2Fpersistency'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 606321ae8e7f3f2093d7d137f11ecd8a6045d2a3
[INFO] checking dionkoeze/persistency against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdionkoeze%2Fpersistency" "/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/dionkoeze/persistency on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/dionkoeze/persistency
[INFO] finished tweaking git repo https://github.com/dionkoeze/persistency
[INFO] tweaked toml for git repo https://github.com/dionkoeze/persistency written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/dionkoeze/persistency already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ad9b960e66bafab7df3bb2147b6e571bf9a78762cae4f9c1a956f403259d7876
[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" "ad9b960e66bafab7df3bb2147b6e571bf9a78762cae4f9c1a956f403259d7876"`
[INFO] [stderr]     Checking rustyper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `is_zero`
[INFO] [stderr]   --> main.rs:27:3
[INFO] [stderr]    |
[INFO] [stderr] 27 |   fn is_zero(&self) -> bool {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_zero`
[INFO] [stderr]   --> main.rs:27:3
[INFO] [stderr]    |
[INFO] [stderr] 27 |   fn is_zero(&self) -> bool {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `"docker" "inspect" "ad9b960e66bafab7df3bb2147b6e571bf9a78762cae4f9c1a956f403259d7876"`
[INFO] running `"docker" "rm" "-f" "ad9b960e66bafab7df3bb2147b6e571bf9a78762cae4f9c1a956f403259d7876"`
[INFO] [stdout] ad9b960e66bafab7df3bb2147b6e571bf9a78762cae4f9c1a956f403259d7876