[INFO] cloning repository https://github.com/chess-seventh/TaskKhalRustcheduler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chess-seventh/TaskKhalRustcheduler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchess-seventh%2FTaskKhalRustcheduler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchess-seventh%2FTaskKhalRustcheduler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7f1089c367b732f1a7f2d939e67a78e8b8379748
[INFO] documenting chess-seventh/TaskKhalRustcheduler 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%2Fchess-seventh%2FTaskKhalRustcheduler" "/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/chess-seventh/TaskKhalRustcheduler 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/chess-seventh/TaskKhalRustcheduler
[INFO] finished tweaking git repo https://github.com/chess-seventh/TaskKhalRustcheduler
[INFO] tweaked toml for git repo https://github.com/chess-seventh/TaskKhalRustcheduler written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/chess-seventh/TaskKhalRustcheduler 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 ics v0.4.1
[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] [stdout] a9084088c503c118b86b94f1c96625197142fbed109bd867b1d778171991d278
[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" "a9084088c503c118b86b94f1c96625197142fbed109bd867b1d778171991d278", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9084088c503c118b86b94f1c96625197142fbed109bd867b1d778171991d278", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9084088c503c118b86b94f1c96625197142fbed109bd867b1d778171991d278", kill_on_drop: false }`
[INFO] [stdout] a9084088c503c118b86b94f1c96625197142fbed109bd867b1d778171991d278
[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] a9b4ff1dea389098a62a646403f3c538b6c91ec3850f79ac29991eeab8a56c2a
[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" "a9b4ff1dea389098a62a646403f3c538b6c91ec3850f79ac29991eeab8a56c2a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.87
[INFO] [stderr]     Checking ics v0.4.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling serde_derive v1.0.87
[INFO] [stderr]     Checking serde_json v1.0.38
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]  Documenting task_khal v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.44s
[INFO] running `Command { std: "docker" "inspect" "a9b4ff1dea389098a62a646403f3c538b6c91ec3850f79ac29991eeab8a56c2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9b4ff1dea389098a62a646403f3c538b6c91ec3850f79ac29991eeab8a56c2a", kill_on_drop: false }`
[INFO] [stdout] a9b4ff1dea389098a62a646403f3c538b6c91ec3850f79ac29991eeab8a56c2a