[INFO] cloning repository https://github.com/Thesecondbestname/rust_nn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Thesecondbestname/rust_nn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThesecondbestname%2Frust_nn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThesecondbestname%2Frust_nn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 37b9868e79803bd2e90c1a46000ecb607433160b
[INFO] checking Thesecondbestname/rust_nn against try#47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268 for pr-149058
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThesecondbestname%2Frust_nn" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Thesecondbestname/rust_nn
[INFO] finished tweaking git repo https://github.com/Thesecondbestname/rust_nn
[INFO] tweaked toml for git repo https://github.com/Thesecondbestname/rust_nn written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Thesecondbestname/rust_nn on toolchain 47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Thesecondbestname/rust_nn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded random v0.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f818edbe3cb356a6ba83963d7211c4cd01dccf48cc6ebb2f2e69e9c195368207
[INFO] running `Command { std: "docker" "start" "-a" "f818edbe3cb356a6ba83963d7211c4cd01dccf48cc6ebb2f2e69e9c195368207", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f818edbe3cb356a6ba83963d7211c4cd01dccf48cc6ebb2f2e69e9c195368207", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f818edbe3cb356a6ba83963d7211c4cd01dccf48cc6ebb2f2e69e9c195368207", kill_on_drop: false }`
[INFO] [stdout] f818edbe3cb356a6ba83963d7211c4cd01dccf48cc6ebb2f2e69e9c195368207
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+47eaa3b85fbe5fa2b3b731b5fecdc5954cbfc268" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3cd8a565cbee5e0986e570433c30b5204b6762de9c8992c17431055314f8a92
[INFO] running `Command { std: "docker" "start" "-a" "d3cd8a565cbee5e0986e570433c30b5204b6762de9c8992c17431055314f8a92", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]     Checking random v0.14.0
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking neural_network v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unexpected end of macro invocation
[INFO] [stdout]   --> src/network.rs:18:44
[INFO] [stdout]    |
[INFO] [stdout]  5 | macro_rules! _generate_biases{
[INFO] [stdout]    | ----------------------------- when calling this macro
[INFO] [stdout] ...
[INFO] [stdout] 18 |         _generate_biases!(@acc []  $($tail,)*)
[INFO] [stdout]    |                                            ^ missing tokens in macro arguments
[INFO] [stdout]    |
[INFO] [stdout] note: while trying to match meta-variable `$tail:expr`
[INFO] [stdout]   --> src/network.rs:9:42
[INFO] [stdout]    |
[INFO] [stdout]  9 |     (@acc [$($acc:tt)*] $element:expr, $($tail:expr),* ) => {
[INFO] [stdout]    |                                          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `neural_network` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: unexpected end of macro invocation
[INFO] [stdout]   --> src/network.rs:18:44
[INFO] [stdout]    |
[INFO] [stdout]  5 | macro_rules! _generate_biases{
[INFO] [stdout]    | ----------------------------- when calling this macro
[INFO] [stdout] ...
[INFO] [stdout] 18 |         _generate_biases!(@acc []  $($tail,)*)
[INFO] [stdout]    |                                            ^ missing tokens in macro arguments
[INFO] [stdout]    |
[INFO] [stdout] note: while trying to match meta-variable `$tail:expr`
[INFO] [stdout]   --> src/network.rs:9:42
[INFO] [stdout]    |
[INFO] [stdout]  9 |     (@acc [$($acc:tt)*] $element:expr, $($tail:expr),* ) => {
[INFO] [stdout]    |                                          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `neural_network` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "d3cd8a565cbee5e0986e570433c30b5204b6762de9c8992c17431055314f8a92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3cd8a565cbee5e0986e570433c30b5204b6762de9c8992c17431055314f8a92", kill_on_drop: false }`
[INFO] [stdout] d3cd8a565cbee5e0986e570433c30b5204b6762de9c8992c17431055314f8a92