[INFO] fetching crate z3_ref 0.1.4...
[INFO] checking z3_ref-0.1.4 against beta for pr-78714
[INFO] extracting crate z3_ref 0.1.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate z3_ref 0.1.4 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "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" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0173b1ddb84b2b7fa7e6f54ada907c4bd0ada70effc5360592e1a6ee68e33c97
[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" "0173b1ddb84b2b7fa7e6f54ada907c4bd0ada70effc5360592e1a6ee68e33c97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0173b1ddb84b2b7fa7e6f54ada907c4bd0ada70effc5360592e1a6ee68e33c97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0173b1ddb84b2b7fa7e6f54ada907c4bd0ada70effc5360592e1a6ee68e33c97", kill_on_drop: false }`
[INFO] [stdout] 0173b1ddb84b2b7fa7e6f54ada907c4bd0ada70effc5360592e1a6ee68e33c97
[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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38c94be079a88d7f1652fcf692fb6fe0773c3c48656de4c791d165f3b06d26db
[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" "38c94be079a88d7f1652fcf692fb6fe0773c3c48656de4c791d165f3b06d26db", kill_on_drop: false }`
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling bindgen v0.40.0
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling clang-sys v0.23.0
[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-0c77480971483079/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] [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-0c77480971483079/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] [stderr] error: could not compile `z3_ref`
[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] [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: build failed
[INFO] running `Command { std: "docker" "inspect" "38c94be079a88d7f1652fcf692fb6fe0773c3c48656de4c791d165f3b06d26db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38c94be079a88d7f1652fcf692fb6fe0773c3c48656de4c791d165f3b06d26db", kill_on_drop: false }`
[INFO] [stdout] 38c94be079a88d7f1652fcf692fb6fe0773c3c48656de4c791d165f3b06d26db