[INFO] cloning repository https://github.com/dragman/chat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dragman/chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdragman%2Fchat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdragman%2Fchat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d1f01b6f7dee43cb4875270829a25f54cede6cb
[INFO] documenting dragman/chat 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%2Fdragman%2Fchat" "/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/dragman/chat 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/dragman/chat
[INFO] finished tweaking git repo https://github.com/dragman/chat
[INFO] tweaked toml for git repo https://github.com/dragman/chat written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/dragman/chat 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-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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 878ac1d53692e5585399dc0966ad4507113de7059ac3385e47713b33fed48d83
[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" "878ac1d53692e5585399dc0966ad4507113de7059ac3385e47713b33fed48d83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "878ac1d53692e5585399dc0966ad4507113de7059ac3385e47713b33fed48d83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "878ac1d53692e5585399dc0966ad4507113de7059ac3385e47713b33fed48d83", kill_on_drop: false }`
[INFO] [stdout] 878ac1d53692e5585399dc0966ad4507113de7059ac3385e47713b33fed48d83
[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" "+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] 2725073f988e01dcc118030ce494279fe4f814dcd1a0342bbc3088f60543b7dd
[INFO] running `Command { std: "docker" "start" "-a" "2725073f988e01dcc118030ce494279fe4f814dcd1a0342bbc3088f60543b7dd", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]     Checking byteorder v1.2.1
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking sha1 v0.1.1
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking mio v0.6.14
[INFO] [stderr]    Compiling http-muncher v0.3.1
[INFO] [stderr]  Documenting chat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.85s
[INFO] running `Command { std: "docker" "inspect" "2725073f988e01dcc118030ce494279fe4f814dcd1a0342bbc3088f60543b7dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2725073f988e01dcc118030ce494279fe4f814dcd1a0342bbc3088f60543b7dd", kill_on_drop: false }`
[INFO] [stdout] 2725073f988e01dcc118030ce494279fe4f814dcd1a0342bbc3088f60543b7dd