[INFO] cloning repository https://github.com/knusbaum/robby
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/knusbaum/robby" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknusbaum%2Frobby", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknusbaum%2Frobby'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a4d75ad7d7c8ac7b333633db206fdedf63c7fc11
[INFO] documenting knusbaum/robby 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%2Fknusbaum%2Frobby" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/knusbaum/robby 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/knusbaum/robby
[INFO] finished tweaking git repo https://github.com/knusbaum/robby
[INFO] tweaked toml for git repo https://github.com/knusbaum/robby written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/knusbaum/robby 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 serde v1.0.91
[INFO] [stderr]   Downloaded h2 v0.1.21
[INFO] [stderr]   Downloaded error-chain v0.12.1
[INFO] [stderr]   Downloaded gzip-header v0.2.0
[INFO] [stderr]   Downloaded reqwest v0.9.17
[INFO] [stderr]   Downloaded synstructure v0.10.2
[INFO] [stderr]   Downloaded buf_redux v0.8.1
[INFO] [stderr]   Downloaded mio v0.6.19
[INFO] [stderr]   Downloaded tempfile v3.0.8
[INFO] [stderr]   Downloaded deflate v0.7.19
[INFO] [stderr]   Downloaded backtrace v0.3.26
[INFO] [stderr]   Downloaded term v0.5.2
[INFO] [stderr]   Downloaded tiny_http v0.6.2
[INFO] [stderr]   Downloaded rouille v3.0.0
[INFO] [stderr]   Downloaded autocfg v0.1.4
[INFO] [stderr]   Downloaded chunked_transfer v0.3.1
[INFO] [stderr]   Downloaded scoped-tls v0.1.2
[INFO] [stderr]   Downloaded tokio v0.1.20
[INFO] [stderr]   Downloaded knusbaum_consul v0.2.0
[INFO] [stderr]   Downloaded mime_guess v1.8.7
[INFO] [stderr]   Downloaded openssl v0.10.23
[INFO] [stderr]   Downloaded serde_derive v1.0.91
[INFO] [stderr]   Downloaded futures v0.1.27
[INFO] [stderr]   Downloaded cc v1.0.37
[INFO] [stderr]   Downloaded libc v0.2.55
[INFO] [stderr]   Downloaded tempdir v0.3.7
[INFO] [stderr]   Downloaded hyper v0.12.29
[INFO] [stderr]   Downloaded openssl-sys v0.9.47
[INFO] [stderr]   Downloaded tokio-codec v0.1.1
[INFO] [stderr]   Downloaded ascii v0.8.7
[INFO] [stderr]   Downloaded syn v0.15.34
[INFO] [stderr]   Downloaded rustc-demangle v0.1.15
[INFO] [stderr]   Downloaded num-integer v0.1.41
[INFO] [stderr]   Downloaded num-traits v0.2.8
[INFO] [stderr]   Downloaded tokio-fs v0.1.6
[INFO] [stderr]   Downloaded tokio-udp v0.1.3
[INFO] [stderr]   Downloaded multipart v0.15.4
[INFO] [stderr]   Downloaded tokio-uds v0.2.5
[INFO] [stderr]   Downloaded tokio-core v0.1.17
[INFO] [stderr]   Downloaded filetime v0.2.6
[INFO] [stderr]   Downloaded tokio-timer v0.2.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 323840befa16c4f47ec6f259b840d570f7a3eecd088df1d970a34f3132e84fd2
[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" "323840befa16c4f47ec6f259b840d570f7a3eecd088df1d970a34f3132e84fd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "323840befa16c4f47ec6f259b840d570f7a3eecd088df1d970a34f3132e84fd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "323840befa16c4f47ec6f259b840d570f7a3eecd088df1d970a34f3132e84fd2", kill_on_drop: false }`
[INFO] [stdout] 323840befa16c4f47ec6f259b840d570f7a3eecd088df1d970a34f3132e84fd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] b273fcdfc1e59cb83d851aa7ef66f3f625c0b9cb042b2a0af1ab220948596520
[INFO] running `Command { std: "docker" "start" "-a" "b273fcdfc1e59cb83d851aa7ef66f3f625c0b9cb042b2a0af1ab220948596520", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling backtrace v0.3.26
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking tokio-sync v0.1.5
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking serde-hjson v0.8.2
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking openssl-sys v0.9.47
[INFO] [stderr]     Checking miniz_oxide_c_api v0.2.1
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking flate2 v1.0.7
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking openssl v0.10.23
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.17
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking publicsuffix v1.5.2
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.14
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.20
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking native-tls v0.2.3
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.21
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking hyper v0.12.29
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking config v0.9.3
[INFO] [stderr]     Checking reqwest v0.9.17
[INFO] [stderr]     Checking knusbaum_consul v0.2.0
[INFO] [stderr]  Documenting robby v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "b273fcdfc1e59cb83d851aa7ef66f3f625c0b9cb042b2a0af1ab220948596520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b273fcdfc1e59cb83d851aa7ef66f3f625c0b9cb042b2a0af1ab220948596520", kill_on_drop: false }`
[INFO] [stdout] b273fcdfc1e59cb83d851aa7ef66f3f625c0b9cb042b2a0af1ab220948596520