[INFO] cloning repository https://github.com/mariusdanciu/rust_nn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mariusdanciu/rust_nn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmariusdanciu%2Frust_nn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmariusdanciu%2Frust_nn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 76ae6b491c7f63e2a00e576430ea26924b8a105b
[INFO] documenting mariusdanciu/rust_nn against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmariusdanciu%2Frust_nn" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mariusdanciu/rust_nn on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mariusdanciu/rust_nn
[INFO] finished tweaking git repo https://github.com/mariusdanciu/rust_nn
[INFO] tweaked toml for git repo https://github.com/mariusdanciu/rust_nn written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/mariusdanciu/rust_nn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16b2c4449ad3244b43910395ed40028b474f1fd328df363f63ab054c45a4001d
[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" "16b2c4449ad3244b43910395ed40028b474f1fd328df363f63ab054c45a4001d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16b2c4449ad3244b43910395ed40028b474f1fd328df363f63ab054c45a4001d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16b2c4449ad3244b43910395ed40028b474f1fd328df363f63ab054c45a4001d", kill_on_drop: false }`
[INFO] [stdout] 16b2c4449ad3244b43910395ed40028b474f1fd328df363f63ab054c45a4001d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", 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] e07a94ce6d7a56a7d5f91c79920c5f1fd4c821955d87a8ea50b076016f014a6a
[INFO] running `Command { std: "docker" "start" "-a" "e07a94ce6d7a56a7d5f91c79920c5f1fd4c821955d87a8ea50b076016f014a6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling palette v0.5.0
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking euclid v0.20.5
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]    Compiling palette_derive v0.5.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rusttype v0.8.2
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking freetype v0.4.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking servo-fontconfig v0.4.0
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]     Checking alga v0.9.2
[INFO] [stderr]     Checking lyon_geom v0.14.1
[INFO] [stderr]     Checking image v0.22.5
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking lyon_path v0.14.0
[INFO] [stderr]     Checking nalgebra v0.19.0
[INFO] [stderr]     Checking font-kit v0.4.0
[INFO] [stderr]     Checking plotters v0.2.12
[INFO] [stderr]  Documenting nn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.02s
[INFO] running `Command { std: "docker" "inspect" "e07a94ce6d7a56a7d5f91c79920c5f1fd4c821955d87a8ea50b076016f014a6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e07a94ce6d7a56a7d5f91c79920c5f1fd4c821955d87a8ea50b076016f014a6a", kill_on_drop: false }`
[INFO] [stdout] e07a94ce6d7a56a7d5f91c79920c5f1fd4c821955d87a8ea50b076016f014a6a