[INFO] cloning repository https://github.com/allenARM/Simple-NN
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/allenARM/Simple-NN" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FallenARM%2FSimple-NN", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FallenARM%2FSimple-NN'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fd41009d00068b3fe3403680d17b9a4f57d34e75
[INFO] checking allenARM/Simple-NN/fd41009d00068b3fe3403680d17b9a4f57d34e75 against master#db0e836148accac8a22532e3596ac612b63c2d8e for pr-139272
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FallenARM%2FSimple-NN" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/allenARM/Simple-NN on toolchain db0e836148accac8a22532e3596ac612b63c2d8e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db0e836148accac8a22532e3596ac612b63c2d8e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/allenARM/Simple-NN
[INFO] finished tweaking git repo https://github.com/allenARM/Simple-NN
[INFO] tweaked toml for git repo https://github.com/allenARM/Simple-NN written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/allenARM/Simple-NN 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" "+db0e836148accac8a22532e3596ac612b63c2d8e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simba v0.4.0
[INFO] [stderr]   Downloaded statrs v0.14.0
[INFO] [stderr]   Downloaded nalgebra v0.26.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+db0e836148accac8a22532e3596ac612b63c2d8e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb3be0a54f60eec018eefc5695c7682fca76ce8793a293c9b21a60796687626d
[INFO] running `Command { std: "docker" "start" "-a" "bb3be0a54f60eec018eefc5695c7682fca76ce8793a293c9b21a60796687626d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb3be0a54f60eec018eefc5695c7682fca76ce8793a293c9b21a60796687626d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb3be0a54f60eec018eefc5695c7682fca76ce8793a293c9b21a60796687626d", kill_on_drop: false }`
[INFO] [stdout] bb3be0a54f60eec018eefc5695c7682fca76ce8793a293c9b21a60796687626d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+db0e836148accac8a22532e3596ac612b63c2d8e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0205eec3b81c31c6d31eb638c7b69d12c9855f4be1ed21c0523542a86da3a12f
[INFO] running `Command { std: "docker" "start" "-a" "0205eec3b81c31c6d31eb638c7b69d12c9855f4be1ed21c0523542a86da3a12f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.57
[INFO] [stderr]     Checking getrandom v0.2.12
[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 num-integer v0.1.46
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking simba v0.4.0
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking nalgebra v0.26.2
[INFO] [stderr]     Checking statrs v0.14.0
[INFO] [stderr]     Checking my-project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/matrix.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |         if (first.columns != second.rows) {
[INFO] [stdout]    |            ^                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 82 -         if (first.columns != second.rows) {
[INFO] [stdout] 82 +         if first.columns != second.rows {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/network.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |         if (inputs.len() != self.layers[0]) {
[INFO] [stdout]    |            ^                              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 40 -         if (inputs.len() != self.layers[0]) {
[INFO] [stdout] 40 +         if inputs.len() != self.layers[0] {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/matrix.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |         if (first.columns != second.rows) {
[INFO] [stdout]    |            ^                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 82 -         if (first.columns != second.rows) {
[INFO] [stdout] 82 +         if first.columns != second.rows {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/network.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |         if (inputs.len() != self.layers[0]) {
[INFO] [stdout]    |            ^                              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 40 -         if (inputs.len() != self.layers[0]) {
[INFO] [stdout] 40 +         if inputs.len() != self.layers[0] {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/activation.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 |     derivative: &|x| 1.0,
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/activation.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 |     derivative: &|x| 1.0,
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.54s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nalgebra v0.26.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "0205eec3b81c31c6d31eb638c7b69d12c9855f4be1ed21c0523542a86da3a12f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0205eec3b81c31c6d31eb638c7b69d12c9855f4be1ed21c0523542a86da3a12f", kill_on_drop: false }`
[INFO] [stdout] 0205eec3b81c31c6d31eb638c7b69d12c9855f4be1ed21c0523542a86da3a12f