[INFO] fetching crate z3_ref 0.1.4...
[INFO] testing z3_ref-0.1.4 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate z3_ref 0.1.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate z3_ref 0.1.4 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b71739737e6b3fee376fef527e6b031e7e751bfc3a9b6f2078911e36088622c5
[INFO] running `Command { std: "docker" "start" "-a" "b71739737e6b3fee376fef527e6b031e7e751bfc3a9b6f2078911e36088622c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b71739737e6b3fee376fef527e6b031e7e751bfc3a9b6f2078911e36088622c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b71739737e6b3fee376fef527e6b031e7e751bfc3a9b6f2078911e36088622c5", kill_on_drop: false }`
[INFO] [stdout] b71739737e6b3fee376fef527e6b031e7e751bfc3a9b6f2078911e36088622c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 520a61105a6a72474adf37bfc42de6106b0ff9680cee67efa1ded7f7bf199a03
[INFO] running `Command { std: "docker" "start" "-a" "520a61105a6a72474adf37bfc42de6106b0ff9680cee67efa1ded7f7bf199a03", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling bindgen v0.40.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling clang-sys v0.23.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling clap v2.33.3
[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] note: function defined here
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/z3_ref-7a82d558788a770f/out/bindings.rs:3:125379
[INFO] [stdout]     |
[INFO] [stdout] 3   | ... : Z3_context , d : Z3_optimize ) ; } extern "C" { pub fn Z3_optimize_check ( c : Z3_context , o : Z3_optimize , num_assumptions : :: ...
[INFO] [stdout]     |                                                              ^^^^^^^^^^^^^^^^^
[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" "520a61105a6a72474adf37bfc42de6106b0ff9680cee67efa1ded7f7bf199a03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "520a61105a6a72474adf37bfc42de6106b0ff9680cee67efa1ded7f7bf199a03", kill_on_drop: false }`
[INFO] [stdout] 520a61105a6a72474adf37bfc42de6106b0ff9680cee67efa1ded7f7bf199a03