[INFO] cloning repository https://github.com/radialHuman/neural_network_from_scratch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/radialHuman/neural_network_from_scratch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FradialHuman%2Fneural_network_from_scratch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FradialHuman%2Fneural_network_from_scratch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7924112a5d29f7cf74f5115d7be333c196103da6
[INFO] checking radialHuman/neural_network_from_scratch against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FradialHuman%2Fneural_network_from_scratch" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/radialHuman/neural_network_from_scratch on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/radialHuman/neural_network_from_scratch
[INFO] finished tweaking git repo https://github.com/radialHuman/neural_network_from_scratch
[INFO] tweaked toml for git repo https://github.com/radialHuman/neural_network_from_scratch written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/radialHuman/neural_network_from_scratch already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libmath v0.2.1
[INFO] [stderr]   Downloaded rand_distr v0.2.2
[INFO] [stderr]   Downloaded ndarray-rand v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5e4a0c6291ed044093e7a8a3efe6389a381dca4493680060a358e3736839d14
[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" "f5e4a0c6291ed044093e7a8a3efe6389a381dca4493680060a358e3736839d14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5e4a0c6291ed044093e7a8a3efe6389a381dca4493680060a358e3736839d14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5e4a0c6291ed044093e7a8a3efe6389a381dca4493680060a358e3736839d14", kill_on_drop: false }`
[INFO] [stdout] f5e4a0c6291ed044093e7a8a3efe6389a381dca4493680060a358e3736839d14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe17b7638c8558a98ea71cb9300f041f955f65009e41e600e849e7e368ed8952
[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" "fe17b7638c8558a98ea71cb9300f041f955f65009e41e600e849e7e368ed8952", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking libmath v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking ndarray-rand v0.11.0
[INFO] [stderr]     Checking try_out v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0369]: cannot multiply `T` to `T`
[INFO] [stdout]    --> src/five.rs:333:44
[INFO] [stdout]     |
[INFO] [stdout] 333 |     a.iter().zip(b.iter()).map(|(x, y)| *x * *y).collect()
[INFO] [stdout]     |                                         -- ^ -- T
[INFO] [stdout]     |                                         |
[INFO] [stdout]     |                                         T
[INFO] [stdout]     |
[INFO] [stdout] help: consider restricting type parameter `T`
[INFO] [stdout]     |
[INFO] [stdout] 332 | pub fn element_wise_multiplication<T: std::ops::Mul<Output = T>>(a: &Vec<T>, b: &Vec<T>) -> Vec<T> {
[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 E0369`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `try_out`
[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] [stdout] error[E0369]: cannot multiply `T` to `T`
[INFO] [stdout]    --> src/five.rs:333:44
[INFO] [stdout]     |
[INFO] [stdout] 333 |     a.iter().zip(b.iter()).map(|(x, y)| *x * *y).collect()
[INFO] [stdout]     |                                         -- ^ -- T
[INFO] [stdout]     |                                         |
[INFO] [stdout]     |                                         T
[INFO] [stdout]     |
[INFO] [stdout] help: consider restricting type parameter `T`
[INFO] [stdout]     |
[INFO] [stdout] 332 | pub fn element_wise_multiplication<T: std::ops::Mul<Output = T>>(a: &Vec<T>, b: &Vec<T>) -> Vec<T> {
[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 E0369`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "fe17b7638c8558a98ea71cb9300f041f955f65009e41e600e849e7e368ed8952", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe17b7638c8558a98ea71cb9300f041f955f65009e41e600e849e7e368ed8952", kill_on_drop: false }`
[INFO] [stdout] fe17b7638c8558a98ea71cb9300f041f955f65009e41e600e849e7e368ed8952