[INFO] crate ocaml-sys 0.13.0 is already in cache
[INFO] testing ocaml-sys-0.13.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate ocaml-sys 0.13.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ocaml-sys 0.13.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ocaml-sys 0.13.0
[INFO] finished tweaking crates.io crate ocaml-sys 0.13.0
[INFO] tweaked toml for crates.io crate ocaml-sys 0.13.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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=warn" "-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-2020-06-03" "build" "--frozen"`
[INFO] [stdout] b075143b075580ec6a8561a87a3d4f52619e8a87108209f33ec8ac003cc3647d
[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" "b075143b075580ec6a8561a87a3d4f52619e8a87108209f33ec8ac003cc3647d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling ocaml-sys v0.13.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling cty v0.2.1
[INFO] [stderr] error: couldn't read /opt/rustwide/target/debug/build/ocaml-sys-0f3a38b151c36291/out/ocaml_version: No such file or directory (os error 2)
[INFO] [stderr]   --> src/lib.rs:76:27
[INFO] [stderr]    |
[INFO] [stderr] 76 | pub const VERSION: &str = include_str!(concat!(env!("OUT_DIR"), "/ocaml_version"));
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: couldn't read /opt/rustwide/target/debug/build/ocaml-sys-0f3a38b151c36291/out/ocaml_path: No such file or directory (os error 2)
[INFO] [stderr]   --> src/lib.rs:83:24
[INFO] [stderr]    |
[INFO] [stderr] 83 | pub const PATH: &str = include_str!(concat!(env!("OUT_DIR"), "/ocaml_path"));
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: couldn't read /opt/rustwide/target/debug/build/ocaml-sys-0f3a38b151c36291/out/ocaml_compiler: No such file or directory (os error 2)
[INFO] [stderr]   --> src/lib.rs:90:28
[INFO] [stderr]    |
[INFO] [stderr] 90 | pub const COMPILER: &str = include_str!(concat!(env!("OUT_DIR"), "/ocaml_compiler"));
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `ocaml-sys`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "b075143b075580ec6a8561a87a3d4f52619e8a87108209f33ec8ac003cc3647d"`
[INFO] running `"docker" "rm" "-f" "b075143b075580ec6a8561a87a3d4f52619e8a87108209f33ec8ac003cc3647d"`
[INFO] [stdout] b075143b075580ec6a8561a87a3d4f52619e8a87108209f33ec8ac003cc3647d