[INFO] cloning repository https://github.com/tuvistavie/rust-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/tuvistavie/rust-simple-nn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuvistavie%2Frust-simple-nn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuvistavie%2Frust-simple-nn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 626b12003a1201dc58094108e2a8cb2cbed1a0e0
[INFO] documenting tuvistavie/rust-simple-nn against try#6fd27704e643b25711e6a97ec2b04873b411b97d for pr-96676
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuvistavie%2Frust-simple-nn" "/workspace/builds/worker-51/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-51/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tuvistavie/rust-simple-nn on toolchain 6fd27704e643b25711e6a97ec2b04873b411b97d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tuvistavie/rust-simple-nn
[INFO] finished tweaking git repo https://github.com/tuvistavie/rust-simple-nn
[INFO] tweaked toml for git repo https://github.com/tuvistavie/rust-simple-nn written to /workspace/builds/worker-51/source/Cargo.toml
[INFO] crate git repo https://github.com/tuvistavie/rust-simple-nn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 002b93063ece4dd71a18b76c2436e7d47b0e27734f1e32253a3447762131077f
[INFO] running `Command { std: "docker" "start" "-a" "002b93063ece4dd71a18b76c2436e7d47b0e27734f1e32253a3447762131077f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "002b93063ece4dd71a18b76c2436e7d47b0e27734f1e32253a3447762131077f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "002b93063ece4dd71a18b76c2436e7d47b0e27734f1e32253a3447762131077f", kill_on_drop: false }`
[INFO] [stdout] 002b93063ece4dd71a18b76c2436e7d47b0e27734f1e32253a3447762131077f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7506b9af36a7ea4b061b36138794e5ffe67845cc403d72d564c8165346880a79
[INFO] running `Command { std: "docker" "start" "-a" "7506b9af36a7ea4b061b36138794e5ffe67845cc403d72d564c8165346880a79", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.20
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]  Documenting simple_nn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around `if` condition
[INFO] [stdout]    --> src/nn/network.rs:140:16
[INFO] [stdout]     |
[INFO] [stdout] 140 |             if { expected_normalized.at(row, 0) == v } { (hit + 1, miss) } else { (hit, miss + 1) }
[INFO] [stdout]     |                ^^                                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 140 -             if { expected_normalized.at(row, 0) == v } { (hit + 1, miss) } else { (hit, miss + 1) }
[INFO] [stdout] 140 +             if expected_normalized.at(row, 0) == v { (hit + 1, miss) } else { (hit, miss + 1) }
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.66s
[INFO] running `Command { std: "docker" "inspect" "7506b9af36a7ea4b061b36138794e5ffe67845cc403d72d564c8165346880a79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7506b9af36a7ea4b061b36138794e5ffe67845cc403d72d564c8165346880a79", kill_on_drop: false }`
[INFO] [stdout] 7506b9af36a7ea4b061b36138794e5ffe67845cc403d72d564c8165346880a79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 4241c272592bb213d6637dd356642cd12f8388d553e84243f72c292d10110525
[INFO] running `Command { std: "docker" "start" "-a" "4241c272592bb213d6637dd356642cd12f8388d553e84243f72c292d10110525", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.20
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]  Documenting simple_nn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around `if` condition
[INFO] [stdout]    --> src/nn/network.rs:140:16
[INFO] [stdout]     |
[INFO] [stdout] 140 |             if { expected_normalized.at(row, 0) == v } { (hit + 1, miss) } else { (hit, miss + 1) }
[INFO] [stdout]     |                ^^                                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 140 -             if { expected_normalized.at(row, 0) == v } { (hit + 1, miss) } else { (hit, miss + 1) }
[INFO] [stdout] 140 +             if expected_normalized.at(row, 0) == v { (hit + 1, miss) } else { (hit, miss + 1) }
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.37s
[INFO] running `Command { std: "docker" "inspect" "4241c272592bb213d6637dd356642cd12f8388d553e84243f72c292d10110525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4241c272592bb213d6637dd356642cd12f8388d553e84243f72c292d10110525", kill_on_drop: false }`
[INFO] [stdout] 4241c272592bb213d6637dd356642cd12f8388d553e84243f72c292d10110525