[INFO] cloning repository https://github.com/mneumann/neat-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mneumann/neat-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmneumann%2Fneat-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmneumann%2Fneat-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 854a09f6a712d2844f7d526e9f33f0c743e525fc
[INFO] testing mneumann/neat-rs against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmneumann%2Fneat-rs" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mneumann/neat-rs on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mneumann/neat-rs
[INFO] finished tweaking git repo https://github.com/mneumann/neat-rs
[INFO] tweaked toml for git repo https://github.com/mneumann/neat-rs written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/mneumann/neat-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/mneumann/cppn-rs`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3cd579b0ff502b6a6e3b343a706b7640f4e60c61d83d807d91259671e6bc4d00
[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" "3cd579b0ff502b6a6e3b343a706b7640f4e60c61d83d807d91259671e6bc4d00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cd579b0ff502b6a6e3b343a706b7640f4e60c61d83d807d91259671e6bc4d00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cd579b0ff502b6a6e3b343a706b7640f4e60c61d83d807d91259671e6bc4d00", kill_on_drop: false }`
[INFO] [stdout] 3cd579b0ff502b6a6e3b343a706b7640f4e60c61d83d807d91259671e6bc4d00
[INFO] running `Command { std: "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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b04395e4fdc72c58be3ef2bd5be775ba0d36badce2171bfc2d402f6c9dd467cc
[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" "b04395e4fdc72c58be3ef2bd5be775ba0d36badce2171bfc2d402f6c9dd467cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.7
[INFO] [stderr]    Compiling fixedbitset v0.1.0
[INFO] [stderr]    Compiling rustc-serialize v0.3.18
[INFO] [stdout] error[E0642]: patterns aren't allowed in functions without bodies
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.18/src/serialize.rs:145:45
[INFO] [stdout]     |
[INFO] [stdout] 145 | ...                   &f_name: &str,
[INFO] [stdout]     |                       ^^^^^^^ pattern not allowed in function without body
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num_cpus v0.2.11
[INFO] [stderr]    Compiling log v0.3.5
[INFO] [stderr]    Compiling deque v0.3.1
[INFO] [stderr]    Compiling acyclic-network v0.0.1 (https://github.com/mneumann/acyclic-network-rs#00c2b825)
[INFO] [stderr]    Compiling acyclic-network v0.2.0
[INFO] [stderr]    Compiling rayon v0.4.0 (https://github.com/nikomatsakis/rayon#f76c6206)
[INFO] [stderr]    Compiling cppn v0.3.0 (https://github.com/mneumann/cppn-rs#14346a84)
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/rayon-2af7db7e4550ecfd/f76c620/src/par_iter/internal.rs:25:40
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn split_at(self, index: usize) -> (Self, Self);
[INFO] [stdout]    |                                        ^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout]    = note: only the last element of a tuple may have a dynamically sized type
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn split_at(self, index: usize) -> (Self, Self) where Self: Sized;
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/rayon-2af7db7e4550ecfd/f76c620/src/par_iter/internal.rs:42:40
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn split_at(self, index: usize) -> (Self, Self, Self::Reducer);
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout]    = note: only the last element of a tuple may have a dynamically sized type
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn split_at(self, index: usize) -> (Self, Self, Self::Reducer) where Self: Sized;
[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 E0642`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize`
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b04395e4fdc72c58be3ef2bd5be775ba0d36badce2171bfc2d402f6c9dd467cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b04395e4fdc72c58be3ef2bd5be775ba0d36badce2171bfc2d402f6c9dd467cc", kill_on_drop: false }`
[INFO] [stdout] b04395e4fdc72c58be3ef2bd5be775ba0d36badce2171bfc2d402f6c9dd467cc