[INFO] updating cached repository https://github.com/KaKnife/crystal
[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] dd806013887b714da7e90b543881b5a68f02f306
[INFO] checking KaKnife/crystal against nightly-2019-10-27 for pr-65897
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKaKnife%2Fcrystal" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KaKnife/crystal on toolchain nightly-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+nightly-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/KaKnife/crystal
[INFO] removed workspace from git repo https://github.com/KaKnife/crystal
[INFO] finished tweaking git repo https://github.com/KaKnife/crystal
[INFO] tweaked toml for git repo https://github.com/KaKnife/crystal written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/KaKnife/crystal already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+nightly-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=allow" "-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" "+nightly-2019-10-27" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4ffa0b181dc5ea3a979f17d169e6fc8a30a54509fd362cee055aaa881f059bcf
[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" "4ffa0b181dc5ea3a979f17d169e6fc8a30a54509fd362cee055aaa881f059bcf"`
[INFO] [stderr]    Compiling cc v1.0.6
[INFO] [stderr]     Checking getopts v0.2.17
[INFO] [stderr]    Compiling libarchive3-sys v0.1.2
[INFO] [stderr]     Checking regex-syntax v0.5.2
[INFO] [stderr]     Checking socket2 v0.3.3
[INFO] [stderr]     Checking libarchive v0.1.1
[INFO] [stderr]    Compiling libz-sys v1.0.18
[INFO] [stderr]    Compiling openssl-sys v0.9.27
[INFO] [stderr]    Compiling curl-sys v0.4.1 (https://github.com/alexcrichton/curl-rust.git#a15e3e35)
[INFO] [stderr]     Checking regex v0.2.8
[INFO] [stderr]     Checking env_logger v0.5.5
[INFO] [stderr]     Checking curl v0.4.11 (https://github.com/alexcrichton/curl-rust.git#a15e3e35)
[INFO] [stderr]     Checking crystal v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 18s
[INFO] running `"docker" "inspect" "4ffa0b181dc5ea3a979f17d169e6fc8a30a54509fd362cee055aaa881f059bcf"`
[INFO] running `"docker" "rm" "-f" "4ffa0b181dc5ea3a979f17d169e6fc8a30a54509fd362cee055aaa881f059bcf"`
[INFO] [stdout] 4ffa0b181dc5ea3a979f17d169e6fc8a30a54509fd362cee055aaa881f059bcf