[INFO] crate ocaml 0.14.2 is already in cache
[INFO] testing ocaml-0.14.2 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate ocaml 0.14.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ocaml 0.14.2 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ocaml 0.14.2
[INFO] finished tweaking crates.io crate ocaml 0.14.2
[INFO] tweaked toml for crates.io crate ocaml 0.14.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40f9365fa5d5fc2bebe7402ebebc20cab82fc8138473321b9337df4dbaf043e1
[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" "40f9365fa5d5fc2bebe7402ebebc20cab82fc8138473321b9337df4dbaf043e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40f9365fa5d5fc2bebe7402ebebc20cab82fc8138473321b9337df4dbaf043e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40f9365fa5d5fc2bebe7402ebebc20cab82fc8138473321b9337df4dbaf043e1", kill_on_drop: false }`
[INFO] [stdout] 40f9365fa5d5fc2bebe7402ebebc20cab82fc8138473321b9337df4dbaf043e1
[INFO] running `Command { std: "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=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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6dcaf3cd851fcb5a129a9f80746fb40132ac56a597559695d108f8a77b63117c
[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" "6dcaf3cd851fcb5a129a9f80746fb40132ac56a597559695d108f8a77b63117c", kill_on_drop: false }`
[INFO] [stderr]    Compiling ocaml-sys v0.14.0
[INFO] [stderr]    Compiling cty v0.2.1
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stdout] error: couldn't read /opt/rustwide/target/debug/build/ocaml-sys-bcc9c437681f9c38/out/ocaml_version: No such file or directory (os error 2)
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ocaml-sys-0.14.0/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-bcc9c437681f9c38/out/ocaml_path: No such file or directory (os error 2)
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ocaml-sys-0.14.0/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-bcc9c437681f9c38/out/ocaml_compiler: No such file or directory (os error 2)
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ocaml-sys-0.14.0/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" "6dcaf3cd851fcb5a129a9f80746fb40132ac56a597559695d108f8a77b63117c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dcaf3cd851fcb5a129a9f80746fb40132ac56a597559695d108f8a77b63117c", kill_on_drop: false }`
[INFO] [stdout] 6dcaf3cd851fcb5a129a9f80746fb40132ac56a597559695d108f8a77b63117c