[INFO] cloning repository https://github.com/elmines/rusty_brain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/elmines/rusty_brain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felmines%2Frusty_brain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felmines%2Frusty_brain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 64d91e4f05aa841d5d3b65608971aa327d84ea22
[INFO] testing elmines/rusty_brain against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felmines%2Frusty_brain" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/elmines/rusty_brain on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/elmines/rusty_brain
[INFO] finished tweaking git repo https://github.com/elmines/rusty_brain
[INFO] tweaked toml for git repo https://github.com/elmines/rusty_brain written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/elmines/rusty_brain already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 413507cf4f2725d3790bf79271b9778dc8885dd8c8c74c5d35e3c9a2bafb4cb8
[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" "413507cf4f2725d3790bf79271b9778dc8885dd8c8c74c5d35e3c9a2bafb4cb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "413507cf4f2725d3790bf79271b9778dc8885dd8c8c74c5d35e3c9a2bafb4cb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "413507cf4f2725d3790bf79271b9778dc8885dd8c8c74c5d35e3c9a2bafb4cb8", kill_on_drop: false }`
[INFO] [stdout] 413507cf4f2725d3790bf79271b9778dc8885dd8c8c74c5d35e3c9a2bafb4cb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b76711a58ee51ff63af4e962f3f1e9db222c3ae807f46dbbf567b3f4d6f214ed
[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" "b76711a58ee51ff63af4e962f3f1e9db222c3ae807f46dbbf567b3f4d6f214ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling rusty_brain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this file contains an unclosed delimiter
[INFO] [stdout]   --> src/core/session.rs:88:2
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl Session {
[INFO] [stdout]    |              - unclosed delimiter
[INFO] [stdout] ...
[INFO] [stdout] 75 |                     for pred in ready_comp.preds() {
[INFO] [stdout]    |                                                    - this delimiter might not be properly closed...
[INFO] [stdout] ...
[INFO] [stdout] 78 |                 }
[INFO] [stdout]    |                 - ...as it matches this but it has different indentation
[INFO] [stdout] ...
[INFO] [stdout] 88 | 
[INFO] [stdout]    |  ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `->`, `;`, `where`, or `{`, found `=>`
[INFO] [stdout]   --> src/core/session.rs:14:96
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn extract_pred(x: &Tensor, feeds: &HashMap<&Tensor, &Array<f32, f64>>, fetches: Vec<&Tensor>) => {
[INFO] [stdout]    |                                                                                                ^^ expected one of `->`, `;`, `where`, or `{`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Dimension`
[INFO] [stdout]  --> src/core/ops.rs:2:28
[INFO] [stdout]   |
[INFO] [stdout] 2 | use self::ndarray::{Array, Dimension, IxDyn};
[INFO] [stdout]   |                            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/core/ops.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::core::tensor::Tensor`
[INFO] [stdout]  --> src/core/ops.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::core::tensor::Tensor;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::core::Tensor`
[INFO] [stdout]  --> src/layers/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::core::Tensor;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusty_brain`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "b76711a58ee51ff63af4e962f3f1e9db222c3ae807f46dbbf567b3f4d6f214ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b76711a58ee51ff63af4e962f3f1e9db222c3ae807f46dbbf567b3f4d6f214ed", kill_on_drop: false }`
[INFO] [stdout] b76711a58ee51ff63af4e962f3f1e9db222c3ae807f46dbbf567b3f4d6f214ed