[INFO] fetching crate z3_ref 0.1.4...
[INFO] testing z3_ref-0.1.4 against 1.47.0 for beta-1.48-1
[INFO] extracting crate z3_ref 0.1.4 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate z3_ref 0.1.4 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate z3_ref 0.1.4
[INFO] finished tweaking crates.io crate z3_ref 0.1.4
[INFO] tweaked toml for crates.io crate z3_ref 0.1.4 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.47.0" "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] 3ba75cde3d9b476e202eeb2ce6679c7e2aed5eaa657429d602b087aa902a2e68
[INFO] running `Command { std: "docker" "start" "-a" "3ba75cde3d9b476e202eeb2ce6679c7e2aed5eaa657429d602b087aa902a2e68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ba75cde3d9b476e202eeb2ce6679c7e2aed5eaa657429d602b087aa902a2e68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ba75cde3d9b476e202eeb2ce6679c7e2aed5eaa657429d602b087aa902a2e68", kill_on_drop: false }`
[INFO] [stdout] 3ba75cde3d9b476e202eeb2ce6679c7e2aed5eaa657429d602b087aa902a2e68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "RUSTFLAGS=--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" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f2f0b7a8570abd379435ea86f3b0de3be7cea37a731167271e68b021e821903
[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" "0f2f0b7a8570abd379435ea86f3b0de3be7cea37a731167271e68b021e821903", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bindgen v0.40.0
[INFO] [stderr]    Compiling clang-sys v0.23.0
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling cexpr v0.2.3
[INFO] [stderr]    Compiling z3_ref v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0061]: this function takes 4 arguments but 2 arguments were supplied
[INFO] [stdout]    --> src/lib.rs:298:24
[INFO] [stdout]     |
[INFO] [stdout] 298 |         unsafe { match z::Z3_optimize_check(self.ctx(), self.solver()) {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^ ----------  ------------- supplied 2 arguments
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        expected 4 arguments
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/target/debug/build/z3_ref-a71f933efbb37f56/out/bindings.rs:3:125372
[INFO] [stdout]     |
[INFO] [stdout] 3   | ... { pub fn Z3_optimize_check ( c : Z3_context , o : Z3_optimize , num_assumptions : :: std :: os :: raw :: c_uint , assumptions : * const Z3_ast ) -> Z3_lbool ; } ...
[INFO] [stdout]     |       ------------------------------------------------------------------------------------------------------------------------------------------------------------ defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `z3_ref`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "0f2f0b7a8570abd379435ea86f3b0de3be7cea37a731167271e68b021e821903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f2f0b7a8570abd379435ea86f3b0de3be7cea37a731167271e68b021e821903", kill_on_drop: false }`
[INFO] [stdout] 0f2f0b7a8570abd379435ea86f3b0de3be7cea37a731167271e68b021e821903
