[INFO] cloning repository https://github.com/declspecl/micrograd.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/declspecl/micrograd.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeclspecl%2Fmicrograd.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeclspecl%2Fmicrograd.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 36b2c203d6988a3555554a32c9c863493d463650
[INFO] checking declspecl/micrograd.rs against master#ba7e63b63871a429533c189adbfb1d9a6337e000 for pr-135331-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeclspecl%2Fmicrograd.rs" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/declspecl/micrograd.rs
[INFO] finished tweaking git repo https://github.com/declspecl/micrograd.rs
[INFO] tweaked toml for git repo https://github.com/declspecl/micrograd.rs written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/declspecl/micrograd.rs on toolchain ba7e63b63871a429533c189adbfb1d9a6337e000
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ba7e63b63871a429533c189adbfb1d9a6337e000" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/declspecl/micrograd.rs 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" "+ba7e63b63871a429533c189adbfb1d9a6337e000" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+ba7e63b63871a429533c189adbfb1d9a6337e000" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13d72f8940e3ecefd2f1a4abd0440673648e9a1018f0b12d13161ff98ea93ac4
[INFO] running `Command { std: "docker" "start" "-a" "13d72f8940e3ecefd2f1a4abd0440673648e9a1018f0b12d13161ff98ea93ac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13d72f8940e3ecefd2f1a4abd0440673648e9a1018f0b12d13161ff98ea93ac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13d72f8940e3ecefd2f1a4abd0440673648e9a1018f0b12d13161ff98ea93ac4", kill_on_drop: false }`
[INFO] [stdout] 13d72f8940e3ecefd2f1a4abd0440673648e9a1018f0b12d13161ff98ea93ac4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+ba7e63b63871a429533c189adbfb1d9a6337e000" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ba8220cc550cdbf3d871757b620051faf3c8c954aa9f85f956d560e1559d6c2
[INFO] running `Command { std: "docker" "start" "-a" "4ba8220cc550cdbf3d871757b620051faf3c8c954aa9f85f956d560e1559d6c2", kill_on_drop: false }`
[INFO] [stderr]     Checking micrograd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected `;`, found keyword `return`
[INFO] [stdout]    --> src/engine/rcvalue.rs:127:35
[INFO] [stdout]     |
[INFO] [stdout] 127 |         let mut value_queue: Vec<>
[INFO] [stdout]     |                                   ^ help: add `;` here
[INFO] [stdout] 128 |
[INFO] [stdout] 129 |         return parameters;
[INFO] [stdout]     |         ------ unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected `;`, found keyword `return`
[INFO] [stdout]    --> src/engine/rcvalue.rs:127:35
[INFO] [stdout]     |
[INFO] [stdout] 127 |         let mut value_queue: Vec<>
[INFO] [stdout]     |                                   ^ help: add `;` here
[INFO] [stdout] 128 |
[INFO] [stdout] 129 |         return parameters;
[INFO] [stdout]     |         ------ unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: struct takes at least 1 generic argument but 0 generic arguments were supplied
[INFO] [stdout]    --> src/engine/rcvalue.rs:127:30
[INFO] [stdout]     |
[INFO] [stdout] 127 |         let mut value_queue: Vec<>
[INFO] [stdout]     |                              ^^^ expected at least 1 generic argument
[INFO] [stdout]     |
[INFO] [stdout] help: add missing generic argument
[INFO] [stdout]     |
[INFO] [stdout] 127 |         let mut value_queue: Vec<T>
[INFO] [stdout]     |                                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: struct takes at least 1 generic argument but 0 generic arguments were supplied
[INFO] [stdout]    --> src/engine/rcvalue.rs:127:30
[INFO] [stdout]     |
[INFO] [stdout] 127 |         let mut value_queue: Vec<>
[INFO] [stdout]     |                              ^^^ expected at least 1 generic argument
[INFO] [stdout]     |
[INFO] [stdout] help: add missing generic argument
[INFO] [stdout]     |
[INFO] [stdout] 127 |         let mut value_queue: Vec<T>
[INFO] [stdout]     |                                  +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0107`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0107`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `micrograd` (bin "micrograd") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `micrograd` (bin "micrograd" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "4ba8220cc550cdbf3d871757b620051faf3c8c954aa9f85f956d560e1559d6c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ba8220cc550cdbf3d871757b620051faf3c8c954aa9f85f956d560e1559d6c2", kill_on_drop: false }`
[INFO] [stdout] 4ba8220cc550cdbf3d871757b620051faf3c8c954aa9f85f956d560e1559d6c2