[INFO] updating cached repository https://github.com/tadeegan/nn-digits-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c1c57320e285dd708334482239280310817689c6
[INFO] documenting tadeegan/nn-digits-rust against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftadeegan%2Fnn-digits-rust" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tadeegan/nn-digits-rust on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tadeegan/nn-digits-rust
[INFO] finished tweaking git repo https://github.com/tadeegan/nn-digits-rust
[INFO] tweaked toml for git repo https://github.com/tadeegan/nn-digits-rust written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/tadeegan/nn-digits-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f2df03bec630c4eeb44538e8419d96dd8b697eda843889bb9964f1e6a2da622e
[INFO] running `Command { std: "docker" "start" "-a" "f2df03bec630c4eeb44538e8419d96dd8b697eda843889bb9964f1e6a2da622e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2df03bec630c4eeb44538e8419d96dd8b697eda843889bb9964f1e6a2da622e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2df03bec630c4eeb44538e8419d96dd8b697eda843889bb9964f1e6a2da622e", kill_on_drop: false }`
[INFO] [stdout] f2df03bec630c4eeb44538e8419d96dd8b697eda843889bb9964f1e6a2da622e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4cf4defec1e0d1e5eaceaacd33f8cad967f59c843a384c00089adb9fce8cb3f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c4cf4defec1e0d1e5eaceaacd33f8cad967f59c843a384c00089adb9fce8cb3f", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.32
[INFO] [stderr]    Compiling matrixmultiply v0.1.13
[INFO] [stderr]     Checking serde v1.0.15
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking rulinalg v0.4.2
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking rand v0.3.17
[INFO] [stderr]     Checking csv-core v0.1.3
[INFO] [stderr]     Checking csv v1.0.0-beta.5
[INFO] [stderr]  Documenting digits v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]   --> src/main.rs:55:29
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn conv(w : &Mat, xi: &Mat, N : usize) -> Matrix<f64> {
[INFO] [stdout]    |                             ^ help: convert the identifier to snake case: `n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]   --> src/main.rs:77:18
[INFO] [stdout]    |
[INFO] [stdout] 77 | fn conv_gradient(X : &Mat, dLdz0 : &Mat, N : usize) -> Mat {
[INFO] [stdout]    |                  ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `dLdz0` should have a snake case name
[INFO] [stdout]   --> src/main.rs:77:28
[INFO] [stdout]    |
[INFO] [stdout] 77 | fn conv_gradient(X : &Mat, dLdz0 : &Mat, N : usize) -> Mat {
[INFO] [stdout]    |                            ^^^^^ help: convert the identifier to snake case: `d_ldz0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]   --> src/main.rs:77:42
[INFO] [stdout]    |
[INFO] [stdout] 77 | fn conv_gradient(X : &Mat, dLdz0 : &Mat, N : usize) -> Mat {
[INFO] [stdout]    |                                          ^ help: convert the identifier to snake case: `n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.78s
[INFO] running `Command { std: "docker" "inspect" "c4cf4defec1e0d1e5eaceaacd33f8cad967f59c843a384c00089adb9fce8cb3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4cf4defec1e0d1e5eaceaacd33f8cad967f59c843a384c00089adb9fce8cb3f", kill_on_drop: false }`
[INFO] [stdout] c4cf4defec1e0d1e5eaceaacd33f8cad967f59c843a384c00089adb9fce8cb3f