[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 try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FradialHuman%2Fneural_network_from_scratch" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/radialHuman/neural_network_from_scratch on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-3/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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 libmath v0.2.1 [INFO] [stderr] Downloaded ndarray-rand v0.11.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 17b0f608f5e3e9fc0ae64012a6d6a65d03ccfc1ef0e3d8a831f24b4f2960e00d [INFO] running `Command { std: "docker" "start" "-a" "17b0f608f5e3e9fc0ae64012a6d6a65d03ccfc1ef0e3d8a831f24b4f2960e00d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "17b0f608f5e3e9fc0ae64012a6d6a65d03ccfc1ef0e3d8a831f24b4f2960e00d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "17b0f608f5e3e9fc0ae64012a6d6a65d03ccfc1ef0e3d8a831f24b4f2960e00d", kill_on_drop: false }` [INFO] [stdout] 17b0f608f5e3e9fc0ae64012a6d6a65d03ccfc1ef0e3d8a831f24b4f2960e00d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d8e91e400f598dff1933ac39f027e8be8e216b510faddbcc7a0541866a6b0480 [INFO] running `Command { std: "docker" "start" "-a" "d8e91e400f598dff1933ac39f027e8be8e216b510faddbcc7a0541866a6b0480", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Compiling ndarray v0.13.1 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Checking matrixmultiply v0.2.3 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_pcg v0.2.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.3.23 [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` by `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>(a: &Vec, b: &Vec) -> Vec { [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] [stdout] error[E0369]: cannot multiply `T` by `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>(a: &Vec, b: &Vec) -> Vec { [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` due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "d8e91e400f598dff1933ac39f027e8be8e216b510faddbcc7a0541866a6b0480", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d8e91e400f598dff1933ac39f027e8be8e216b510faddbcc7a0541866a6b0480", kill_on_drop: false }` [INFO] [stdout] d8e91e400f598dff1933ac39f027e8be8e216b510faddbcc7a0541866a6b0480