[INFO] cloning repository https://github.com/flevesqu42/42_multilayer_perceptron
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flevesqu42/42_multilayer_perceptron" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflevesqu42%2F42_multilayer_perceptron", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflevesqu42%2F42_multilayer_perceptron'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3174d89e39d3bc0bca78f72eb539bdf402e9bda1
[INFO] documenting flevesqu42/42_multilayer_perceptron against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflevesqu42%2F42_multilayer_perceptron" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/flevesqu42/42_multilayer_perceptron on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/flevesqu42/42_multilayer_perceptron
[INFO] finished tweaking git repo https://github.com/flevesqu42/42_multilayer_perceptron
[INFO] tweaked toml for git repo https://github.com/flevesqu42/42_multilayer_perceptron written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/flevesqu42/42_multilayer_perceptron already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_yaml v0.8.8
[INFO] [stderr]   Downloaded csv-core v0.1.5
[INFO] [stderr]   Downloaded serde_derive v1.0.89
[INFO] [stderr]   Downloaded csv v1.0.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a19ec6d18a24cd402a26e98f91bfcd3d3f3e05db6e9111533a3bc4a4a60b8f35
[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" "a19ec6d18a24cd402a26e98f91bfcd3d3f3e05db6e9111533a3bc4a4a60b8f35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a19ec6d18a24cd402a26e98f91bfcd3d3f3e05db6e9111533a3bc4a4a60b8f35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a19ec6d18a24cd402a26e98f91bfcd3d3f3e05db6e9111533a3bc4a4a60b8f35", kill_on_drop: false }`
[INFO] [stdout] a19ec6d18a24cd402a26e98f91bfcd3d3f3e05db6e9111533a3bc4a4a60b8f35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a28eb422058fa6908f42ffcd63e620e6338f90f51b99bf349b6030d592cd8419
[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" "a28eb422058fa6908f42ffcd63e620e6338f90f51b99bf349b6030d592cd8419", 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]     Checking memchr v2.2.0
[INFO] [stderr]     Checking csv-core v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]     Checking serde v1.0.89
[INFO] [stderr]     Checking serde_yaml v0.8.8
[INFO] [stderr]     Checking csv v1.0.5
[INFO] [stderr]  Documenting multilayer_perceptron v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.73s
[INFO] running `Command { std: "docker" "inspect" "a28eb422058fa6908f42ffcd63e620e6338f90f51b99bf349b6030d592cd8419", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a28eb422058fa6908f42ffcd63e620e6338f90f51b99bf349b6030d592cd8419", kill_on_drop: false }`
[INFO] [stdout] a28eb422058fa6908f42ffcd63e620e6338f90f51b99bf349b6030d592cd8419