[INFO] updating cached repository https://github.com/howeih/Day-25-Conjugate-gradients [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] ab03e5eb4471276dfb166d45ac83db3dcabf4155 [INFO] checking howeih/Day-25-Conjugate-gradients against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoweih%2FDay-25-Conjugate-gradients" "/workspace/builds/worker-3/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/howeih/Day-25-Conjugate-gradients on toolchain b61e69433951e31f7bd746e22f516a48ad41623b [INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/howeih/Day-25-Conjugate-gradients [INFO] finished tweaking git repo https://github.com/howeih/Day-25-Conjugate-gradients [INFO] tweaked toml for git repo https://github.com/howeih/Day-25-Conjugate-gradients written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/howeih/Day-25-Conjugate-gradients already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+b61e69433951e31f7bd746e22f516a48ad41623b" "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] 68b8803df2416a11cec28cfb72affe3020082709b345956abab8c5d29ae93e38 [INFO] running `"docker" "start" "-a" "68b8803df2416a11cec28cfb72affe3020082709b345956abab8c5d29ae93e38"` [INFO] [stderr] Checking itertools v0.7.8 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking ndarray v0.11.2 [INFO] [stderr] Checking conjugate_gradients v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.01s [INFO] running `"docker" "inspect" "68b8803df2416a11cec28cfb72affe3020082709b345956abab8c5d29ae93e38"` [INFO] running `"docker" "rm" "-f" "68b8803df2416a11cec28cfb72affe3020082709b345956abab8c5d29ae93e38"` [INFO] [stdout] 68b8803df2416a11cec28cfb72affe3020082709b345956abab8c5d29ae93e38