[INFO] cloning repository https://github.com/higgs01/tcp-proxy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/higgs01/tcp-proxy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiggs01%2Ftcp-proxy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhiggs01%2Ftcp-proxy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8da2317b781b54a630a9b43c1e9b3238638737d4
[INFO] documenting higgs01/tcp-proxy 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%2Fhiggs01%2Ftcp-proxy" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/higgs01/tcp-proxy 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/higgs01/tcp-proxy
[INFO] finished tweaking git repo https://github.com/higgs01/tcp-proxy
[INFO] tweaked toml for git repo https://github.com/higgs01/tcp-proxy written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/higgs01/tcp-proxy 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 nonzero_ext v0.2.0
[INFO] [stderr]   Downloaded evmap v6.0.1
[INFO] [stderr]   Downloaded ratelimit_meter v5.0.0
[INFO] [stderr]   Downloaded nonzero_ext v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 235250b6da58ca0a56953f5656a86985e66e03f4212d2c7ee72596df5784289f
[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" "235250b6da58ca0a56953f5656a86985e66e03f4212d2c7ee72596df5784289f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "235250b6da58ca0a56953f5656a86985e66e03f4212d2c7ee72596df5784289f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "235250b6da58ca0a56953f5656a86985e66e03f4212d2c7ee72596df5784289f", kill_on_drop: false }`
[INFO] [stdout] 235250b6da58ca0a56953f5656a86985e66e03f4212d2c7ee72596df5784289f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 63f0a9836691e2be6ae2ecfd712352b9b45b3b40656ce73abdbd5e1944e2f6fb
[INFO] running `Command { std: "docker" "start" "-a" "63f0a9836691e2be6ae2ecfd712352b9b45b3b40656ce73abdbd5e1944e2f6fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]     Checking arc-swap v0.4.5
[INFO] [stderr]     Checking hashbrown v0.5.0
[INFO] [stderr]     Checking nonzero_ext v0.1.5
[INFO] [stderr]     Checking nonzero_ext v0.2.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking evmap v6.0.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking ratelimit_meter v5.0.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.12
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]     Checking tokio v0.2.13
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]  Documenting tcpproxy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.24s
[INFO] running `Command { std: "docker" "inspect" "63f0a9836691e2be6ae2ecfd712352b9b45b3b40656ce73abdbd5e1944e2f6fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63f0a9836691e2be6ae2ecfd712352b9b45b3b40656ce73abdbd5e1944e2f6fb", kill_on_drop: false }`
[INFO] [stdout] 63f0a9836691e2be6ae2ecfd712352b9b45b3b40656ce73abdbd5e1944e2f6fb