[INFO] cloning repository https://github.com/DeltaManiac/mandlebrot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DeltaManiac/mandlebrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDeltaManiac%2Fmandlebrot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDeltaManiac%2Fmandlebrot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8afbf338461a3f6db8b8c6cd91cbb2087e67026e
[INFO] documenting DeltaManiac/mandlebrot 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%2FDeltaManiac%2Fmandlebrot" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DeltaManiac/mandlebrot 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/DeltaManiac/mandlebrot
[INFO] finished tweaking git repo https://github.com/DeltaManiac/mandlebrot
[INFO] tweaked toml for git repo https://github.com/DeltaManiac/mandlebrot written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/DeltaManiac/mandlebrot 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 image v0.20.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 03a25cac5f598c95d6b604b90dcc2e44acd2176004f0a10fa0470632f54ac2d9
[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" "03a25cac5f598c95d6b604b90dcc2e44acd2176004f0a10fa0470632f54ac2d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03a25cac5f598c95d6b604b90dcc2e44acd2176004f0a10fa0470632f54ac2d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03a25cac5f598c95d6b604b90dcc2e44acd2176004f0a10fa0470632f54ac2d9", kill_on_drop: false }`
[INFO] [stdout] 03a25cac5f598c95d6b604b90dcc2e44acd2176004f0a10fa0470632f54ac2d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] d6182196f4df3a20a2f8b21733b4fde4a474e77730c39e699daaaa7051541017
[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" "d6182196f4df3a20a2f8b21733b4fde4a474e77730c39e699daaaa7051541017", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking gif v0.10.1
[INFO] [stderr]     Checking num-bigint v0.2.0
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking crossbeam-epoch v0.6.0
[INFO] [stderr]     Checking num-complex v0.2.0
[INFO] [stderr]    Compiling syn v0.15.9
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking crossbeam-deque v0.5.2
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking crossbeam-channel v0.2.6
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking rayon v1.0.2
[INFO] [stderr]     Checking crossbeam v0.4.1
[INFO] [stderr]     Checking num-rational v0.2.1
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking tiff v0.2.1
[INFO] [stderr]     Checking image v0.20.0
[INFO] [stderr]  Documenting txt_adv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.36s
[INFO] running `Command { std: "docker" "inspect" "d6182196f4df3a20a2f8b21733b4fde4a474e77730c39e699daaaa7051541017", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6182196f4df3a20a2f8b21733b4fde4a474e77730c39e699daaaa7051541017", kill_on_drop: false }`
[INFO] [stdout] d6182196f4df3a20a2f8b21733b4fde4a474e77730c39e699daaaa7051541017