[INFO] cloning repository https://github.com/unixpickle/squidtun
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/unixpickle/squidtun" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funixpickle%2Fsquidtun", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funixpickle%2Fsquidtun'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 69c8b05b86b62f30c7c396667c126132a15ab235
[INFO] documenting unixpickle/squidtun 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%2Funixpickle%2Fsquidtun" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/unixpickle/squidtun 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/unixpickle/squidtun
[INFO] finished tweaking git repo https://github.com/unixpickle/squidtun
[INFO] tweaked toml for git repo https://github.com/unixpickle/squidtun written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/unixpickle/squidtun 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] ca0407d95bd7cb0a765e2eb95e30f533c0f3d2c559c9b70bbe1f52c90c3d7fc6
[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" "ca0407d95bd7cb0a765e2eb95e30f533c0f3d2c559c9b70bbe1f52c90c3d7fc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca0407d95bd7cb0a765e2eb95e30f533c0f3d2c559c9b70bbe1f52c90c3d7fc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca0407d95bd7cb0a765e2eb95e30f533c0f3d2c559c9b70bbe1f52c90c3d7fc6", kill_on_drop: false }`
[INFO] [stdout] ca0407d95bd7cb0a765e2eb95e30f533c0f3d2c559c9b70bbe1f52c90c3d7fc6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] ab25817614d6b9159c5f90ee81c74560c4d5e5a5a4e12fd2cc9650e4babeb887
[INFO] running `Command { std: "docker" "start" "-a" "ab25817614d6b9159c5f90ee81c74560c4d5e5a5a4e12fd2cc9650e4babeb887", kill_on_drop: false }`
[INFO] [stderr]     Checking scoped-tls v0.1.1
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking tokio-executor v0.1.2
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]     Checking crossbeam-utils v0.3.2
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking base64 v0.9.0
[INFO] [stderr]     Checking relay v0.1.1
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking tokio-io v0.1.6
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking crossbeam-epoch v0.4.1
[INFO] [stderr]     Checking tokio-timer v0.2.1
[INFO] [stderr]     Checking mio v0.6.14
[INFO] [stderr]     Checking simple_logger v0.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.3.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.2
[INFO] [stderr]     Checking tokio-reactor v0.1.1
[INFO] [stderr]     Checking tokio-udp v0.1.0
[INFO] [stderr]     Checking tokio-tcp v0.1.0
[INFO] [stderr]     Checking tokio v0.1.5
[INFO] [stderr]     Checking tokio-core v0.1.16
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking hyper v0.11.25
[INFO] [stderr]     Checking squidtun v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting squidtun v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.94s
[INFO] running `Command { std: "docker" "inspect" "ab25817614d6b9159c5f90ee81c74560c4d5e5a5a4e12fd2cc9650e4babeb887", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab25817614d6b9159c5f90ee81c74560c4d5e5a5a4e12fd2cc9650e4babeb887", kill_on_drop: false }`
[INFO] [stdout] ab25817614d6b9159c5f90ee81c74560c4d5e5a5a4e12fd2cc9650e4babeb887