[INFO] cloning repository https://github.com/LinHeLurking/symbolic-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LinHeLurking/symbolic-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLinHeLurking%2Fsymbolic-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLinHeLurking%2Fsymbolic-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3fe6662cdac7bd28163e2b8e0b2ad722585153bc
[INFO] testing LinHeLurking/symbolic-rust against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLinHeLurking%2Fsymbolic-rust" "/workspace/builds/worker-100/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-100/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LinHeLurking/symbolic-rust on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LinHeLurking/symbolic-rust
[INFO] finished tweaking git repo https://github.com/LinHeLurking/symbolic-rust
[INFO] tweaked toml for git repo https://github.com/LinHeLurking/symbolic-rust written to /workspace/builds/worker-100/source/Cargo.toml
[INFO] crate git repo https://github.com/LinHeLurking/symbolic-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73ebab666684dae972130e94801f63ca7e420f98eab2707521789c78ff2e94d2
[INFO] running `Command { std: "docker" "start" "-a" "73ebab666684dae972130e94801f63ca7e420f98eab2707521789c78ff2e94d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73ebab666684dae972130e94801f63ca7e420f98eab2707521789c78ff2e94d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73ebab666684dae972130e94801f63ca7e420f98eab2707521789c78ff2e94d2", kill_on_drop: false }`
[INFO] [stdout] 73ebab666684dae972130e94801f63ca7e420f98eab2707521789c78ff2e94d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c38cf86f8a4e5de4f4b9c5a74afdb9eb4b849e88c4006b4fa7154fa42561af1e
[INFO] running `Command { std: "docker" "start" "-a" "c38cf86f8a4e5de4f4b9c5a74afdb9eb4b849e88c4006b4fa7154fa42561af1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling symbolic_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/compute/limit/rules/neg.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn neg_limit_expr_rule(mut self, of: &Variable, to: Expression, order_try: u64) -> Self::Output {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 15 |         let sub = self.child.pop().unwrap();
[INFO] [stdout] 16 |         -sub.neg_limit_expr_rule(of, to, order_try)
[INFO] [stdout]    |          ------------------------------------------ recursive call site
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.17s
[INFO] running `Command { std: "docker" "inspect" "c38cf86f8a4e5de4f4b9c5a74afdb9eb4b849e88c4006b4fa7154fa42561af1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c38cf86f8a4e5de4f4b9c5a74afdb9eb4b849e88c4006b4fa7154fa42561af1e", kill_on_drop: false }`
[INFO] [stdout] c38cf86f8a4e5de4f4b9c5a74afdb9eb4b849e88c4006b4fa7154fa42561af1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7cbf135309f138e5b86da0ed3624d296693979b2cfad94d5f012e9babb028501
[INFO] running `Command { std: "docker" "start" "-a" "7cbf135309f138e5b86da0ed3624d296693979b2cfad94d5f012e9babb028501", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling symbolic_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]   --> src/compute/limit/rules/neg.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn neg_limit_expr_rule(mut self, of: &Variable, to: Expression, order_try: u64) -> Self::Output {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 15 |         let sub = self.child.pop().unwrap();
[INFO] [stdout] 16 |         -sub.neg_limit_expr_rule(of, to, order_try)
[INFO] [stdout]    |          ------------------------------------------ recursive call site
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.01s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/symbolic_rust-4b73ddb03172ee3c)
[INFO] running `Command { std: "docker" "inspect" "7cbf135309f138e5b86da0ed3624d296693979b2cfad94d5f012e9babb028501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cbf135309f138e5b86da0ed3624d296693979b2cfad94d5f012e9babb028501", kill_on_drop: false }`
[INFO] [stdout] 7cbf135309f138e5b86da0ed3624d296693979b2cfad94d5f012e9babb028501
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 284a2b67410564476495a49cbdc073c9075d84642d1a2f5a1f8429f28a07fb1c
[INFO] running `Command { std: "docker" "start" "-a" "284a2b67410564476495a49cbdc073c9075d84642d1a2f5a1f8429f28a07fb1c", kill_on_drop: false }`
[INFO] [stderr] warning: function cannot return without recursing
[INFO] [stderr]   --> src/compute/limit/rules/neg.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn neg_limit_expr_rule(mut self, of: &Variable, to: Expression, order_try: u64) -> Self::Output {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stderr] 15 |         let sub = self.child.pop().unwrap();
[INFO] [stderr] 16 |         -sub.neg_limit_expr_rule(of, to, order_try)
[INFO] [stderr]    |          ------------------------------------------ recursive call site
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stderr]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stderr] 
[INFO] [stderr] warning: `symbolic_rust` (bin "symbolic_rust" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/symbolic_rust-4b73ddb03172ee3c)
[INFO] [stdout] 
[INFO] [stdout] running 36 tests
[INFO] [stdout] test ast::op::operand::operand_to_fmt ... ok
[INFO] [stdout] test ast::op::operand::tests::operand_cast ... ok
[INFO] [stdout] test ast::tree::tests::num_cast ... ok
[INFO] [stdout] test compute::limit::rules::div::div_limit_tests::sinx2_by_x ... ok
[INFO] [stdout] test compute::limit::rules::div::div_limit_tests::sinx_by_x ... ok
[INFO] [stdout] test compute::derivative::derivative_tests::d ... ok
[INFO] [stdout] test compute::limit::rules::div::div_limit_tests::sinx_by_x2 ... ok
[INFO] [stdout] test compute::num_aggregate::rules::exp::exp_eval_tests::exp_1 ... ok
[INFO] [stdout] test compute::num_aggregate::eval_tests::eval ... ok
[INFO] [stdout] test compute::num_aggregate::rules::exp::exp_eval_tests::exp_ln ... ok
[INFO] [stdout] test compute::num_aggregate::rules::exp::exp_eval_tests::exp_0 ... ok
[INFO] [stdout] test compute::num_aggregate::rules::ln::ln_eval_tests::ln_1 ... ok
[INFO] [stdout] test compute::num_aggregate::rules::ln::ln_eval_tests::ln_e ... ok
[INFO] [stdout] test compute::num_aggregate::rules::ln::ln_eval_tests::ln_exp ... ok
[INFO] [stdout] test compute::substitute::substitute_tests::substitute ... ok
[INFO] [stdout] test math_op::add::tests::add ... ok
[INFO] [stdout] test math_op::cos::sin_tests::string_fmt ... ok
[INFO] [stdout] test compute::taylor_expansion::partial_expansion::taylor_expansion_test::expand_sin ... ok
[INFO] [stdout] test math_op::div::tests::div ... ok
[INFO] [stdout] test math_op::mul::tests::mul ... ok
[INFO] [stdout] test math_op::sin::sin_tests::string_fmt ... ok
[INFO] [stdout] test math_op::sub::tests::sub ... ok
[INFO] [stdout] test smart_num::tests::rational_tests::div ... ok
[INFO] [stdout] test smart_num::tests::rational_tests::add ... ok
[INFO] [stdout] test math_op::neg::test::neg ... ok
[INFO] [stdout] test smart_num::tests::rational_tests::eq ... ok
[INFO] [stdout] test smart_num::tests::rational_tests::mul ... ok
[INFO] [stdout] test smart_num::tests::rational_tests::neg ... ok
[INFO] [stdout] test smart_num::tests::rational_tests::sub ... ok
[INFO] [stdout] test smart_num::tests::smart_num_tests::neg ... ok
[INFO] [stdout] test smart_num::tests::special_const_tests::string_fmt ... ok
[INFO] [stdout] test smart_num::tests::smart_num_tests::string_fmt ... ok
[INFO] [stdout] test smart_num::tests::smart_num_tests::div ... ok
[INFO] [stdout] test smart_num::tests::smart_num_tests::mul ... ok
[INFO] [stdout] test smart_num::tests::smart_num_tests::sub ... ok
[INFO] [stdout] test smart_num::tests::smart_num_tests::add ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 36 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.91s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "284a2b67410564476495a49cbdc073c9075d84642d1a2f5a1f8429f28a07fb1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "284a2b67410564476495a49cbdc073c9075d84642d1a2f5a1f8429f28a07fb1c", kill_on_drop: false }`
[INFO] [stdout] 284a2b67410564476495a49cbdc073c9075d84642d1a2f5a1f8429f28a07fb1c