[INFO] cloning repository https://github.com/Mateiadrielrafael/steiner
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mateiadrielrafael/steiner" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMateiadrielrafael%2Fsteiner", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMateiadrielrafael%2Fsteiner'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 69f0074c405f4a7fde26e4f82e60ae068cf5c14b
[INFO] documenting Mateiadrielrafael/steiner 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%2FMateiadrielrafael%2Fsteiner" "/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/Mateiadrielrafael/steiner 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/Mateiadrielrafael/steiner
[INFO] finished tweaking git repo https://github.com/Mateiadrielrafael/steiner
[INFO] tweaked toml for git repo https://github.com/Mateiadrielrafael/steiner written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Mateiadrielrafael/steiner 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]  Downloading crates ...
[INFO] [stderr]   Downloaded sized-chunks v0.6.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.14
[INFO] [stderr]   Downloaded im v15.0.0
[INFO] [stderr]   Downloaded common_macros v0.1.1
[INFO] [stderr]   Downloaded bitmaps v2.1.0
[INFO] [stderr]   Downloaded rand_xoshiro v0.4.0
[INFO] [stderr]   Downloaded nanoid v0.1.3
[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" "+beta-2020-08-29" "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] 38317f5cdee183456ed402cc84a197ae1d9d68818b31aa7a83dad380dfb0c0b7
[INFO] running `Command { std: "docker" "start" "-a" "38317f5cdee183456ed402cc84a197ae1d9d68818b31aa7a83dad380dfb0c0b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38317f5cdee183456ed402cc84a197ae1d9d68818b31aa7a83dad380dfb0c0b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38317f5cdee183456ed402cc84a197ae1d9d68818b31aa7a83dad380dfb0c0b7", kill_on_drop: false }`
[INFO] [stdout] 38317f5cdee183456ed402cc84a197ae1d9d68818b31aa7a83dad380dfb0c0b7
[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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbc077b45167f06a9999d57e681ca361434cf4e27e92dbac065562ecfc9267b4
[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" "bbc077b45167f06a9999d57e681ca361434cf4e27e92dbac065562ecfc9267b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.14
[INFO] [stderr]     Checking common_macros v0.1.1
[INFO] [stderr]    Compiling im v15.0.0
[INFO] [stderr]     Checking sized-chunks v0.6.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking nanoid v0.1.3
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling peg-macros v0.6.2
[INFO] [stderr]     Checking peg v0.6.2
[INFO] [stderr]  Documenting steiner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.23s
[INFO] running `Command { std: "docker" "inspect" "bbc077b45167f06a9999d57e681ca361434cf4e27e92dbac065562ecfc9267b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbc077b45167f06a9999d57e681ca361434cf4e27e92dbac065562ecfc9267b4", kill_on_drop: false }`
[INFO] [stdout] bbc077b45167f06a9999d57e681ca361434cf4e27e92dbac065562ecfc9267b4