[INFO] cloning repository https://github.com/c-cube/batsat-ocaml
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/c-cube/batsat-ocaml" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fc-cube%2Fbatsat-ocaml", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fc-cube%2Fbatsat-ocaml'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dcc0fe10ee7063b9b9f0d6ce4ab6c912d8da94b4
[INFO] documenting c-cube/batsat-ocaml against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fc-cube%2Fbatsat-ocaml" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/c-cube/batsat-ocaml on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/c-cube/batsat-ocaml
[INFO] removed workspace from git repo https://github.com/c-cube/batsat-ocaml
[INFO] finished tweaking git repo https://github.com/c-cube/batsat-ocaml
[INFO] tweaked toml for git repo https://github.com/c-cube/batsat-ocaml written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/c-cube/batsat-ocaml already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cty v0.2.1
[INFO] [stderr]   Downloaded ocaml-derive v0.12.1
[INFO] [stderr]   Downloaded ocaml v0.12.3
[INFO] [stderr]   Downloaded ocaml-sys v0.12.2
[INFO] [stderr]   Downloaded batsat v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7452ca73b1346d0ed287eb31c28065867f547e44a2ca8e25fc5724b84a03757f
[INFO] running `Command { std: "docker" "start" "-a" "7452ca73b1346d0ed287eb31c28065867f547e44a2ca8e25fc5724b84a03757f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7452ca73b1346d0ed287eb31c28065867f547e44a2ca8e25fc5724b84a03757f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7452ca73b1346d0ed287eb31c28065867f547e44a2ca8e25fc5724b84a03757f", kill_on_drop: false }`
[INFO] [stdout] 7452ca73b1346d0ed287eb31c28065867f547e44a2ca8e25fc5724b84a03757f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec16f2b21c1d44aba0a8ff0dc9fefb5a9856b1c243003738f7f8023df471b208
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ec16f2b21c1d44aba0a8ff0dc9fefb5a9856b1c243003738f7f8023df471b208", kill_on_drop: false }`
[INFO] [stderr]    Compiling ocaml-sys v0.12.2
[INFO] [stderr]     Checking cty v0.2.1
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]     Checking batsat v0.4.0
[INFO] [stdout] error: couldn't read /opt/rustwide/target/debug/build/ocaml-sys-4f5d46348ef7be56/out/ocaml_version: No such file or directory (os error 2)
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ocaml-sys-0.12.2/src/lib.rs:76:27
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub const VERSION: &str = include_str!(concat!(env!("OUT_DIR"), "/ocaml_version"));
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read /opt/rustwide/target/debug/build/ocaml-sys-4f5d46348ef7be56/out/ocaml_path: No such file or directory (os error 2)
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ocaml-sys-0.12.2/src/lib.rs:83:24
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub const PATH: &str = include_str!(concat!(env!("OUT_DIR"), "/ocaml_path"));
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read /opt/rustwide/target/debug/build/ocaml-sys-4f5d46348ef7be56/out/ocaml_compiler: No such file or directory (os error 2)
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ocaml-sys-0.12.2/src/lib.rs:90:28
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub const COMPILER: &str = include_str!(concat!(env!("OUT_DIR"), "/ocaml_compiler"));
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ocaml-sys`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ec16f2b21c1d44aba0a8ff0dc9fefb5a9856b1c243003738f7f8023df471b208", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec16f2b21c1d44aba0a8ff0dc9fefb5a9856b1c243003738f7f8023df471b208", kill_on_drop: false }`
[INFO] [stdout] ec16f2b21c1d44aba0a8ff0dc9fefb5a9856b1c243003738f7f8023df471b208