[INFO] cloning repository https://github.com/ErikNatanael/closure_hell
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ErikNatanael/closure_hell" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FErikNatanael%2Fclosure_hell"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FErikNatanael%2Fclosure_hell'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 56bd580c7de6b404160275a030b03d5818d561e5
[INFO] testing ErikNatanael/closure_hell against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FErikNatanael%2Fclosure_hell" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ErikNatanael/closure_hell on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ErikNatanael/closure_hell
[INFO] finished tweaking git repo https://github.com/ErikNatanael/closure_hell
[INFO] tweaked toml for git repo https://github.com/ErikNatanael/closure_hell written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/ErikNatanael/closure_hell already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stdout] 2e7b66dbe9e0d73b85be8022726188df035cda400a334d2f60994d3d17ad59d8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "2e7b66dbe9e0d73b85be8022726188df035cda400a334d2f60994d3d17ad59d8"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling closure_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: expected expression, found reserved identifier `_`
[INFO] [stderr]   --> src/main.rs:70:40
[INFO] [stderr]    |
[INFO] [stderr] 70 |     let client_handler = ClientHandler<_>::new();
[INFO] [stderr]    |                                        ^ expected expression
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:20:13
[INFO] [stderr]    |
[INFO] [stderr] 7  | impl<F> ClientHandler<F>
[INFO] [stderr]    |      - this type parameter
[INFO] [stderr] ...
[INFO] [stderr] 14 |             move | a: f32, _b: f32 | a + captured_number
[INFO] [stderr]    |             -------------------------------------------- the found closure
[INFO] [stderr] ...
[INFO] [stderr] 20 |             async_client
[INFO] [stderr]    |             ^^^^^^^^^^^^ expected type parameter `F`, found closure
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected struct `AsyncClient<ClosureProcessHandler<F>>`
[INFO] [stderr]               found struct `AsyncClient<ClosureProcessHandler<[closure@src/main.rs:14:13: 14:57 captured_number:_]>>`
[INFO] [stderr]    = help: type parameters must be constrained to match other types
[INFO] [stderr]    = note: for more information, visit https://doc.rust-lang.org/book/ch10-02-traits.html#traits-as-parameters
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `closure_test`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "2e7b66dbe9e0d73b85be8022726188df035cda400a334d2f60994d3d17ad59d8"`
[INFO] running `"docker" "rm" "-f" "2e7b66dbe9e0d73b85be8022726188df035cda400a334d2f60994d3d17ad59d8"`
[INFO] [stdout] 2e7b66dbe9e0d73b85be8022726188df035cda400a334d2f60994d3d17ad59d8