[INFO] cloning repository https://github.com/mukundbhudia/find-prime [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mukundbhudia/find-prime" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmukundbhudia%2Ffind-prime"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmukundbhudia%2Ffind-prime'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 9b0e0c1f13bffb0530c1e57462ad25cc88fb3f3b [INFO] checking mukundbhudia/find-prime against master#914adf04af1c1a984707f778da3d04590c03d144 for pr-72331 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmukundbhudia%2Ffind-prime" "/workspace/builds/worker-2/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mukundbhudia/find-prime on toolchain 914adf04af1c1a984707f778da3d04590c03d144 [INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/mukundbhudia/find-prime [INFO] finished tweaking git repo https://github.com/mukundbhudia/find-prime [INFO] tweaked toml for git repo https://github.com/mukundbhudia/find-prime written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/mukundbhudia/find-prime already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+914adf04af1c1a984707f778da3d04590c03d144" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 9897220684e0064289f41e9c6e2eb6bd5db1ada649d7a1d64707413ec21d79dc [INFO] running `"docker" "start" "-a" "9897220684e0064289f41e9c6e2eb6bd5db1ada649d7a1d64707413ec21d79dc"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Checking num-traits v0.1.40 [INFO] [stderr] Checking libc v0.2.30 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking rand v0.3.16 [INFO] [stderr] Checking time v0.1.38 [INFO] [stderr] Checking num-integer v0.1.35 [INFO] [stderr] Checking num-iter v0.1.34 [INFO] [stderr] Checking num-bigint v0.1.40 [INFO] [stderr] Checking num-complex v0.1.40 [INFO] [stderr] Checking num-rational v0.1.39 [INFO] [stderr] Checking num v0.1.40 [INFO] [stderr] Checking rusty-prime v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.27s [INFO] running `"docker" "inspect" "9897220684e0064289f41e9c6e2eb6bd5db1ada649d7a1d64707413ec21d79dc"` [INFO] running `"docker" "rm" "-f" "9897220684e0064289f41e9c6e2eb6bd5db1ada649d7a1d64707413ec21d79dc"` [INFO] [stdout] 9897220684e0064289f41e9c6e2eb6bd5db1ada649d7a1d64707413ec21d79dc