[INFO] cloning repository https://github.com/conch2/neural-network-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/conch2/neural-network-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconch2%2Fneural-network-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconch2%2Fneural-network-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5f5592a3d83408a67d03f0fc94082dda731d2f92
[INFO] checking conch2/neural-network-rust against try#9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869 for pr-129249
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconch2%2Fneural-network-rust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/conch2/neural-network-rust on toolchain 9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/conch2/neural-network-rust
[INFO] finished tweaking git repo https://github.com/conch2/neural-network-rust
[INFO] tweaked toml for git repo https://github.com/conch2/neural-network-rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/conch2/neural-network-rust 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" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "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-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a34bf1d593f5e65813f441ed340344abbdbcd953543e285c76e787c5b506acb9
[INFO] running `Command { std: "docker" "start" "-a" "a34bf1d593f5e65813f441ed340344abbdbcd953543e285c76e787c5b506acb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a34bf1d593f5e65813f441ed340344abbdbcd953543e285c76e787c5b506acb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a34bf1d593f5e65813f441ed340344abbdbcd953543e285c76e787c5b506acb9", kill_on_drop: false }`
[INFO] [stdout] a34bf1d593f5e65813f441ed340344abbdbcd953543e285c76e787c5b506acb9
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fef7f1303013f9266a54e6495cfb58164215f96d9edee50a3c252ec7efa6c2fb
[INFO] running `Command { std: "docker" "start" "-a" "fef7f1303013f9266a54e6495cfb58164215f96d9edee50a3c252ec7efa6c2fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking anstream v0.6.13
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking getrandom v0.2.14
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling syn v2.0.58
[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 regex-automata v0.4.6
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking env_filter v0.1.0
[INFO] [stderr]     Checking env_logger v0.11.3
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking neunet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `test_sync` is never used
[INFO] [stdout]   --> examples/watch_movie.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn test_sync() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_for_sync` is never used
[INFO] [stdout]   --> examples/watch_movie.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn test_for_sync(nn: &mut NeuralNetworkSync) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.65s
[INFO] running `Command { std: "docker" "inspect" "fef7f1303013f9266a54e6495cfb58164215f96d9edee50a3c252ec7efa6c2fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fef7f1303013f9266a54e6495cfb58164215f96d9edee50a3c252ec7efa6c2fb", kill_on_drop: false }`
[INFO] [stdout] fef7f1303013f9266a54e6495cfb58164215f96d9edee50a3c252ec7efa6c2fb