[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 master#426a60abc213b28a7c7198e475476b6e650d871f for pr-129199 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FradialHuman%2Fneural_network_from_scratch" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/radialHuman/neural_network_from_scratch on toolchain 426a60abc213b28a7c7198e475476b6e650d871f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+426a60abc213b28a7c7198e475476b6e650d871f" "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-5-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+426a60abc213b28a7c7198e475476b6e650d871f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking radialHuman/neural_network_from_scratch against try#2c70eb47850052381670935f807d41647a7dc992 for pr-129199 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FradialHuman%2Fneural_network_from_scratch" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/radialHuman/neural_network_from_scratch on toolchain 2c70eb47850052381670935f807d41647a7dc992 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2c70eb47850052381670935f807d41647a7dc992" "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-5-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2c70eb47850052381670935f807d41647a7dc992" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+2c70eb47850052381670935f807d41647a7dc992" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a0b5ea734634b99852bd85930775b0de67bcdb779842a69aec12b0d79ca4bd57 [INFO] running `Command { std: "docker" "start" "-a" "a0b5ea734634b99852bd85930775b0de67bcdb779842a69aec12b0d79ca4bd57", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a0b5ea734634b99852bd85930775b0de67bcdb779842a69aec12b0d79ca4bd57", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a0b5ea734634b99852bd85930775b0de67bcdb779842a69aec12b0d79ca4bd57", kill_on_drop: false }` [INFO] [stdout] a0b5ea734634b99852bd85930775b0de67bcdb779842a69aec12b0d79ca4bd57 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+2c70eb47850052381670935f807d41647a7dc992" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5bf0e2d38d9778914e1ffad995a40f48b9e718c64b846606eca3c0f1287c00ed [INFO] running `Command { std: "docker" "start" "-a" "5bf0e2d38d9778914e1ffad995a40f48b9e718c64b846606eca3c0f1287c00ed", 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] Checking rawpointer v0.2.1 [INFO] [stderr] Compiling ndarray v0.13.1 [INFO] [stderr] Checking matrixmultiply v0.2.3 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling num-complex v0.2.4 [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 v0.7.3 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking libmath v0.2.1 [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[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] warning: unused variable: `y` [INFO] [stdout] --> src/five.rs:92:13 [INFO] [stdout] | [INFO] [stdout] 92 | let (X, y) = create_data(100, 3, 2); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `target` [INFO] [stdout] --> src/five.rs:152:9 [INFO] [stdout] | [INFO] [stdout] 152 | let target: Vec = y_vector.iter().map(|x| x.parse().unwrap()).collect(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/five.rs:92:13 [INFO] [stdout] | [INFO] [stdout] 92 | let (X, y) = create_data(100, 3, 2); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `target` [INFO] [stdout] --> src/five.rs:152:9 [INFO] [stdout] | [INFO] [stdout] 152 | let target: Vec = y_vector.iter().map(|x| x.parse().unwrap()).collect(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dimension` [INFO] [stdout] --> src/five.rs:280:5 [INFO] [stdout] | [INFO] [stdout] 280 | dimension: usize, [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dimension` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/five.rs:312:13 [INFO] [stdout] | [INFO] [stdout] 312 | let mut sin_value: Vec = [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dimension` [INFO] [stdout] --> src/five.rs:280:5 [INFO] [stdout] | [INFO] [stdout] 280 | dimension: usize, [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dimension` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/five.rs:314:13 [INFO] [stdout] | [INFO] [stdout] 314 | let mut cos_value: Vec = [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0369`. [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/five.rs:312:13 [INFO] [stdout] | [INFO] [stdout] 312 | let mut sin_value: Vec = [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/five.rs:314:13 [INFO] [stdout] | [INFO] [stdout] 314 | let mut cos_value: Vec = [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 5 warnings emitted [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` (bin "try_out") due to 2 previous errors; 5 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `try_out` (bin "try_out" test) due to 2 previous errors; 5 warnings emitted [INFO] running `Command { std: "docker" "inspect" "5bf0e2d38d9778914e1ffad995a40f48b9e718c64b846606eca3c0f1287c00ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5bf0e2d38d9778914e1ffad995a40f48b9e718c64b846606eca3c0f1287c00ed", kill_on_drop: false }` [INFO] [stdout] 5bf0e2d38d9778914e1ffad995a40f48b9e718c64b846606eca3c0f1287c00ed