[INFO] cloning 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" "clone" "--bare" "https://github.com/tadeegan/nn-digits-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftadeegan%2Fnn-digits-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftadeegan%2Fnn-digits-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c1c57320e285dd708334482239280310817689c6
[INFO] documenting tadeegan/nn-digits-rust against beta-2026-01-20 for beta-1.94-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftadeegan%2Fnn-digits-rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[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-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tadeegan/nn-digits-rust on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tadeegan/nn-digits-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" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[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
[INFO] documenting tadeegan/nn-digits-rust against beta-2026-01-20 for beta-1.94-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftadeegan%2Fnn-digits-rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[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-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tadeegan/nn-digits-rust on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tadeegan/nn-digits-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" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 matrixmultiply v0.1.13
[INFO] [stderr]   Downloaded num-integer v0.1.35
[INFO] [stderr]   Downloaded num-traits v0.1.40
[INFO] [stderr]   Downloaded num-iter v0.1.34
[INFO] [stderr]   Downloaded rand v0.3.17
[INFO] [stderr]   Downloaded rawpointer v0.1.0
[INFO] [stderr]   Downloaded memchr v1.0.1
[INFO] [stderr]   Downloaded fuchsia-zircon-sys v0.2.0
[INFO] [stderr]   Downloaded num v0.1.40
[INFO] [stderr]   Downloaded csv-core v0.1.3
[INFO] [stderr]   Downloaded fuchsia-zircon v0.2.1
[INFO] [stderr]   Downloaded serde v1.0.15
[INFO] [stderr]   Downloaded rulinalg v0.4.2
[INFO] [stderr]   Downloaded libc v0.2.32
[INFO] [stderr]   Downloaded csv v1.0.0-beta.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4400f11a5193119555c1ec81b06dfc2f1cd5c3ceec5af8f28d5e67190b113e81
[INFO] running `Command { std: "docker" "start" "-a" "4400f11a5193119555c1ec81b06dfc2f1cd5c3ceec5af8f28d5e67190b113e81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4400f11a5193119555c1ec81b06dfc2f1cd5c3ceec5af8f28d5e67190b113e81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4400f11a5193119555c1ec81b06dfc2f1cd5c3ceec5af8f28d5e67190b113e81", kill_on_drop: false }`
[INFO] [stdout] 4400f11a5193119555c1ec81b06dfc2f1cd5c3ceec5af8f28d5e67190b113e81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da8b88d03f84baba3b929704805008956107567921afe4880ccd08bb08a4426e
[INFO] running `Command { std: "docker" "start" "-a" "da8b88d03f84baba3b929704805008956107567921afe4880ccd08bb08a4426e", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking libc v0.2.32
[INFO] [stderr]    Compiling matrixmultiply v0.1.13
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking serde v1.0.15
[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 num-integer v0.1.35
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking rulinalg v0.4.2
[INFO] [stderr]     Checking csv v1.0.0-beta.5
[INFO] [stderr]  Documenting digits v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/main.rs:65:29
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     let y = (i + a);
[INFO] [stdout]    |                             ^     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 65 -                     let y = (i + a);
[INFO] [stdout] 65 +                     let y = i + a ;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/main.rs:66:29
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     let x = (j + b);
[INFO] [stdout]    |                             ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 66 -                     let x = (j + b);
[INFO] [stdout] 66 +                     let x = j + b ;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/main.rs:87:29
[INFO] [stdout]    |
[INFO] [stdout] 87 |                     let y = (i + a);
[INFO] [stdout]    |                             ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 87 -                     let y = (i + a);
[INFO] [stdout] 87 +                     let y = i + a ;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/main.rs:88:29
[INFO] [stdout]    |
[INFO] [stdout] 88 |                     let x = (j + b);
[INFO] [stdout]    |                             ^     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 88 -                     let x = (j + b);
[INFO] [stdout] 88 +                     let x = j + b ;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.83s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/digits/index.html
[INFO] running `Command { std: "docker" "inspect" "da8b88d03f84baba3b929704805008956107567921afe4880ccd08bb08a4426e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da8b88d03f84baba3b929704805008956107567921afe4880ccd08bb08a4426e", kill_on_drop: false }`
[INFO] [stdout] da8b88d03f84baba3b929704805008956107567921afe4880ccd08bb08a4426e
