[INFO] updating cached repository https://github.com/2k0ri/blog_os
[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] 641271757e1ed1ca68d5f60c9117371dd21b6e0c
[INFO] checking 2k0ri/blog_os against beta-2019-10-27 for pr-65897
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2k0ri%2Fblog_os" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/2k0ri/blog_os on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/2k0ri/blog_os
[INFO] finished tweaking git repo https://github.com/2k0ri/blog_os
[INFO] tweaked toml for git repo https://github.com/2k0ri/blog_os written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/2k0ri/blog_os already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2019-10-27" "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] 54d21c4625dcc800a1c71f01a2058e7e69ac90536690a49aaeba826e399f08f5
[INFO] running `"docker" "start" "-a" "54d21c4625dcc800a1c71f01a2058e7e69ac90536690a49aaeba826e399f08f5"`
[INFO] [stderr] error: output of --print=file-names has changed in the compiler, cannot parse
[INFO] [stderr] command was: `rustc - --crate-name ___ --print=file-names --cap-lints=allow --target /opt/rustwide/workdir/x86_64-blog_os.json --crate-type bin --crate-type rlib --crate-type dylib --crate-type cdylib --crate-type staticlib --crate-type proc-macro --print=sysroot --print=cfg`
[INFO] [stderr] 
[INFO] [stderr] --- stdout
[INFO] [stderr] ___
[INFO] [stderr] lib___.rlib
[INFO] [stderr] lib___.a
[INFO] [stderr] /opt/rustwide/rustup-home/toolchains/beta-2019-10-27-x86_64-unknown-linux-gnu
[INFO] [stderr] debug_assertions
[INFO] [stderr] proc_macro
[INFO] [stderr] target_arch="x86_64"
[INFO] [stderr] target_endian="little"
[INFO] [stderr] target_env=""
[INFO] [stderr] target_os="none"
[INFO] [stderr] target_pointer_width="64"
[INFO] [stderr] target_vendor="unknown"
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "54d21c4625dcc800a1c71f01a2058e7e69ac90536690a49aaeba826e399f08f5"`
[INFO] running `"docker" "rm" "-f" "54d21c4625dcc800a1c71f01a2058e7e69ac90536690a49aaeba826e399f08f5"`
[INFO] [stdout] 54d21c4625dcc800a1c71f01a2058e7e69ac90536690a49aaeba826e399f08f5