[INFO] cloning repository https://github.com/lmorais-dev/ml-demo-neural-net-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lmorais-dev/ml-demo-neural-net-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flmorais-dev%2Fml-demo-neural-net-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flmorais-dev%2Fml-demo-neural-net-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fed9c9e33924b2a9bc458f7ee9cc5864cb7651d6 [INFO] checking lmorais-dev/ml-demo-neural-net-rust against master#d49be02cf6d2e2a01264fcdef1e20c826710c0f5 for pr-133570-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flmorais-dev%2Fml-demo-neural-net-rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lmorais-dev/ml-demo-neural-net-rust on toolchain d49be02cf6d2e2a01264fcdef1e20c826710c0f5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d49be02cf6d2e2a01264fcdef1e20c826710c0f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/lmorais-dev/ml-demo-neural-net-rust [INFO] finished tweaking git repo https://github.com/lmorais-dev/ml-demo-neural-net-rust [INFO] tweaked toml for git repo https://github.com/lmorais-dev/ml-demo-neural-net-rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/lmorais-dev/ml-demo-neural-net-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" "+d49be02cf6d2e2a01264fcdef1e20c826710c0f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+d49be02cf6d2e2a01264fcdef1e20c826710c0f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 476e0ce795828c5bc92dd8a5ae5dc1117e1760511cf93526219c396ddc7630bb [INFO] running `Command { std: "docker" "start" "-a" "476e0ce795828c5bc92dd8a5ae5dc1117e1760511cf93526219c396ddc7630bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "476e0ce795828c5bc92dd8a5ae5dc1117e1760511cf93526219c396ddc7630bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "476e0ce795828c5bc92dd8a5ae5dc1117e1760511cf93526219c396ddc7630bb", kill_on_drop: false }` [INFO] [stdout] 476e0ce795828c5bc92dd8a5ae5dc1117e1760511cf93526219c396ddc7630bb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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" "+d49be02cf6d2e2a01264fcdef1e20c826710c0f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0bda165f27b9eda22df0c30745e0710d550f96caed6fb232ae3f6ee4cdb29c4e [INFO] running `Command { std: "docker" "start" "-a" "0bda165f27b9eda22df0c30745e0710d550f96caed6fb232ae3f6ee4cdb29c4e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.151 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling anyhow v1.0.79 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking getrandom v0.2.11 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking rust-nn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/network.rs:86:21 [INFO] [stdout] | [INFO] [stdout] 86 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `OutOfBounds` and `UnexpectedMappingResult` are never constructed [INFO] [stdout] --> src/matrix.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub enum MatrixError { [INFO] [stdout] | ----------- variants in this enum [INFO] [stdout] 5 | OutOfBounds, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 6 | DimensionMismatch, [INFO] [stdout] 7 | UnexpectedMappingResult [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MatrixError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/network.rs:7:30 [INFO] [stdout] | [INFO] [stdout] 7 | InternalComputationError(MatrixError) [INFO] [stdout] | ------------------------ ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `NetworkError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 7 | InternalComputationError(()) [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/network.rs:86:21 [INFO] [stdout] | [INFO] [stdout] 86 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `OutOfBounds` and `UnexpectedMappingResult` are never constructed [INFO] [stdout] --> src/matrix.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub enum MatrixError { [INFO] [stdout] | ----------- variants in this enum [INFO] [stdout] 5 | OutOfBounds, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 6 | DimensionMismatch, [INFO] [stdout] 7 | UnexpectedMappingResult [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MatrixError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/network.rs:7:30 [INFO] [stdout] | [INFO] [stdout] 7 | InternalComputationError(MatrixError) [INFO] [stdout] | ------------------------ ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `NetworkError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 7 | InternalComputationError(()) [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.52s [INFO] running `Command { std: "docker" "inspect" "0bda165f27b9eda22df0c30745e0710d550f96caed6fb232ae3f6ee4cdb29c4e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0bda165f27b9eda22df0c30745e0710d550f96caed6fb232ae3f6ee4cdb29c4e", kill_on_drop: false }` [INFO] [stdout] 0bda165f27b9eda22df0c30745e0710d550f96caed6fb232ae3f6ee4cdb29c4e