[INFO] cloning repository https://github.com/perkins-rawks/handwritten_numbers_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/perkins-rawks/handwritten_numbers_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fperkins-rawks%2Fhandwritten_numbers_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fperkins-rawks%2Fhandwritten_numbers_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b66b58a3fad26e550564c31d3db5b5e341f50e42 [INFO] building perkins-rawks/handwritten_numbers_rust against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fperkins-rawks%2Fhandwritten_numbers_rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/perkins-rawks/handwritten_numbers_rust on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/perkins-rawks/handwritten_numbers_rust [INFO] finished tweaking git repo https://github.com/perkins-rawks/handwritten_numbers_rust [INFO] tweaked toml for git repo https://github.com/perkins-rawks/handwritten_numbers_rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/perkins-rawks/handwritten_numbers_rust 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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] Downloading crates ... [INFO] [stderr] Downloaded cute v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 584793f542c382113ddc9b9eeff6268449657dbd7df821d94d0b3e0d93c45053 [INFO] running `Command { std: "docker" "start" "-a" "584793f542c382113ddc9b9eeff6268449657dbd7df821d94d0b3e0d93c45053", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "584793f542c382113ddc9b9eeff6268449657dbd7df821d94d0b3e0d93c45053", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "584793f542c382113ddc9b9eeff6268449657dbd7df821d94d0b3e0d93c45053", kill_on_drop: false }` [INFO] [stdout] 584793f542c382113ddc9b9eeff6268449657dbd7df821d94d0b3e0d93c45053 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 96c8a92585bf803e44c2e3b8437ca5bbee6c3667d8e414552c8f8ee3f2e51f90 [INFO] running `Command { std: "docker" "start" "-a" "96c8a92585bf803e44c2e3b8437ca5bbee6c3667d8e414552c8f8ee3f2e51f90", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling ppv-lite86 v0.2.8 [INFO] [stderr] Compiling rawpointer v0.2.1 [INFO] [stderr] Compiling ndarray v0.13.1 [INFO] [stderr] Compiling cute v0.3.0 [INFO] [stderr] Compiling 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] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling rand_distr v0.2.2 [INFO] [stderr] Compiling handwritten_numbers_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `Network` is never constructed [INFO] [stdout] --> src/main.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 30 | struct Network { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/main.rs:38:12 [INFO] [stdout] | [INFO] [stdout] 37 | impl Network { [INFO] [stdout] | ------------ associated items in this implementation [INFO] [stdout] 38 | pub fn new(sizes: Vec) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | pub fn feedforward(&self, a: rustify::Array2) -> rustify::Array2 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 57 | pub fn SGD(&mut self, training_data: &mut Vec<(rustify::Array2, usize)>, epochs: usize, mini_batch_size: usize, eta: f64, test_d... [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 101 | pub fn update_mini_batch(&mut self, mini_batch: & Vec<(rustify::Array2, usize)>, eta: f64) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 134 | pub fn backprop(& self, x: & rustify::Array2, y: usize) -> (Vec< rustify::Array2 >, Vec< rustify::Array2 >){ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 171 | pub fn evaluate(&self, test_data: & Vec<&mut (rustify::Array2, usize)>) -> usize { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 177 | pub fn cost_derivative(&self, output_activations: & rustify::Array2, y: usize) -> rustify::Array2 { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `randn` is never used [INFO] [stdout] --> src/rustify.rs:32:8 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn randn((x, y): (usize, usize)) -> Array2 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `argmax` is never used [INFO] [stdout] --> src/rustify.rs:67:8 [INFO] [stdout] | [INFO] [stdout] 67 | pub fn argmax(mat: &Array2) -> usize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `SGD` should have a snake case name [INFO] [stdout] --> src/main.rs:57:12 [INFO] [stdout] | [INFO] [stdout] 57 | pub fn SGD(&mut self, training_data: &mut Vec<(rustify::Array2, usize)>, epochs: usize, mini_batch_size: usize, eta: f64, test_d... [INFO] [stdout] | ^^^ help: convert the identifier to snake case: `sgd` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.27s [INFO] running `Command { std: "docker" "inspect" "96c8a92585bf803e44c2e3b8437ca5bbee6c3667d8e414552c8f8ee3f2e51f90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "96c8a92585bf803e44c2e3b8437ca5bbee6c3667d8e414552c8f8ee3f2e51f90", kill_on_drop: false }` [INFO] [stdout] 96c8a92585bf803e44c2e3b8437ca5bbee6c3667d8e414552c8f8ee3f2e51f90 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 074b727f47a14d15a88348f9ed198c2894d403252da12e4ab86b2a14690af472 [INFO] running `Command { std: "docker" "start" "-a" "074b727f47a14d15a88348f9ed198c2894d403252da12e4ab86b2a14690af472", kill_on_drop: false }` [INFO] [stderr] Compiling handwritten_numbers_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `Network` is never constructed [INFO] [stdout] --> src/main.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 30 | struct Network { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/main.rs:38:12 [INFO] [stdout] | [INFO] [stdout] 37 | impl Network { [INFO] [stdout] | ------------ associated items in this implementation [INFO] [stdout] 38 | pub fn new(sizes: Vec) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 49 | pub fn feedforward(&self, a: rustify::Array2) -> rustify::Array2 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 57 | pub fn SGD(&mut self, training_data: &mut Vec<(rustify::Array2, usize)>, epochs: usize, mini_batch_size: usize, eta: f64, test_d... [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 101 | pub fn update_mini_batch(&mut self, mini_batch: & Vec<(rustify::Array2, usize)>, eta: f64) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 134 | pub fn backprop(& self, x: & rustify::Array2, y: usize) -> (Vec< rustify::Array2 >, Vec< rustify::Array2 >){ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 171 | pub fn evaluate(&self, test_data: & Vec<&mut (rustify::Array2, usize)>) -> usize { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 177 | pub fn cost_derivative(&self, output_activations: & rustify::Array2, y: usize) -> rustify::Array2 { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `randn` is never used [INFO] [stdout] --> src/rustify.rs:32:8 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn randn((x, y): (usize, usize)) -> Array2 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `argmax` is never used [INFO] [stdout] --> src/rustify.rs:67:8 [INFO] [stdout] | [INFO] [stdout] 67 | pub fn argmax(mat: &Array2) -> usize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `SGD` should have a snake case name [INFO] [stdout] --> src/main.rs:57:12 [INFO] [stdout] | [INFO] [stdout] 57 | pub fn SGD(&mut self, training_data: &mut Vec<(rustify::Array2, usize)>, epochs: usize, mini_batch_size: usize, eta: f64, test_d... [INFO] [stdout] | ^^^ help: convert the identifier to snake case: `sgd` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s [INFO] running `Command { std: "docker" "inspect" "074b727f47a14d15a88348f9ed198c2894d403252da12e4ab86b2a14690af472", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "074b727f47a14d15a88348f9ed198c2894d403252da12e4ab86b2a14690af472", kill_on_drop: false }` [INFO] [stdout] 074b727f47a14d15a88348f9ed198c2894d403252da12e4ab86b2a14690af472