[INFO] cloning repository https://github.com/bnjbvr/better-rss
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bnjbvr/better-rss" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbnjbvr%2Fbetter-rss", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbnjbvr%2Fbetter-rss'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d63e28d2b6699da8b26934dbea229ddaad3d883e
[INFO] documenting bnjbvr/better-rss 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%2Fbnjbvr%2Fbetter-rss" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bnjbvr/better-rss 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/bnjbvr/better-rss
[INFO] finished tweaking git repo https://github.com/bnjbvr/better-rss
[INFO] tweaked toml for git repo https://github.com/bnjbvr/better-rss written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/bnjbvr/better-rss 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[INFO] [stderr]   Downloaded bytes v0.4.8
[INFO] [stderr]   Downloaded tokio-io v0.1.7
[INFO] [stderr]   Downloaded rss v1.5.0
[INFO] [stderr]   Downloaded byteorder v1.3.2
[INFO] [stderr]   Downloaded iovec v0.1.2
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[INFO] [stderr]   Downloaded rustc-demangle v0.1.8
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[INFO] [stderr]   Downloaded derive_builder_core v0.2.0
[INFO] [stderr]   Downloaded quick-xml v0.12.1
[INFO] [stderr]   Downloaded futures v0.1.23
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[INFO] [stderr]   Downloaded phf_generator v0.7.22
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[INFO] [stderr]   Downloaded syn v0.15.39
[INFO] [stderr]   Downloaded phf v0.7.22
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[INFO] [stderr]   Downloaded phf_codegen v0.7.22
[INFO] [stderr]   Downloaded bitflags v1.0.3
[INFO] [stderr]   Downloaded utf-8 v0.7.2
[INFO] [stderr]   Downloaded http v0.1.17
[INFO] [stderr]   Downloaded html5ever v0.18.0
[INFO] [stderr]   Downloaded autocfg v0.1.4
[INFO] [stderr]   Downloaded h2 v0.1.25
[INFO] [stderr]   Downloaded hyper v0.12.28
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[INFO] [stderr]   Downloaded phf_shared v0.7.22
[INFO] [stderr]   Downloaded miniz_oxide_c_api v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 15b8f18f2bcb9dd1245111c0c2fcc98f77362254857d5c8a6a1568c2db0e3a70
[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" "15b8f18f2bcb9dd1245111c0c2fcc98f77362254857d5c8a6a1568c2db0e3a70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15b8f18f2bcb9dd1245111c0c2fcc98f77362254857d5c8a6a1568c2db0e3a70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15b8f18f2bcb9dd1245111c0c2fcc98f77362254857d5c8a6a1568c2db0e3a70", kill_on_drop: false }`
[INFO] [stdout] 15b8f18f2bcb9dd1245111c0c2fcc98f77362254857d5c8a6a1568c2db0e3a70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] ec9db56e0699addf845651a246b0c4bd38026e34842835c11ea3222c1dfa4397
[INFO] running `Command { std: "docker" "start" "-a" "ec9db56e0699addf845651a246b0c4bd38026e34842835c11ea3222c1dfa4397", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]    Compiling regex v1.0.3
[INFO] [stderr]     Checking utf-8 v0.7.2
[INFO] [stderr]     Checking json v0.11.13
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.2.1
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling openssl-sys v0.9.47
[INFO] [stderr]    Compiling unicase v2.1.0
[INFO] [stderr]     Checking encoding_rs v0.7.2
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking regex-syntax v0.6.7
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]     Checking debug_unreachable v0.1.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking encoding_rs v0.8.17
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]     Checking backtrace-sys v0.1.23
[INFO] [stderr]     Checking tendril v0.3.1
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking bytes v0.4.8
[INFO] [stderr]     Checking tokio-executor v0.1.7
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling phf_shared v0.7.22
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking mio v0.6.15
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking chrono v0.4.4
[INFO] [stderr]     Checking phf v0.7.22
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]     Checking tokio-io v0.1.7
[INFO] [stderr]     Checking http v0.1.17
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking flate2 v1.0.9
[INFO] [stderr]     Checking mime v0.3.8
[INFO] [stderr]    Compiling openssl v0.10.23
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling derive_builder_core v0.2.0
[INFO] [stderr]     Checking tokio-reactor v0.1.2
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking tokio-tcp v0.1.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.14
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]    Compiling phf_generator v0.7.22
[INFO] [stderr]    Compiling phf_codegen v0.7.22
[INFO] [stderr]    Compiling string_cache_codegen v0.4.1
[INFO] [stderr]     Checking tokio v0.1.21
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling html5ever v0.18.0
[INFO] [stderr]    Compiling derive_builder v0.5.1
[INFO] [stderr]    Compiling string_cache v0.6.2
[INFO] [stderr]    Compiling markup5ever v0.3.2
[INFO] [stderr]     Checking h2 v0.1.25
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]     Checking publicsuffix v1.5.2
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking hyper v0.12.28
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking quick-xml v0.12.1
[INFO] [stderr]     Checking rss v1.5.0
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking serde_json v1.0.24
[INFO] [stderr]     Checking serde_urlencoded v0.5.2
[INFO] [stderr]     Checking serde_yaml v0.7.5
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.18
[INFO] [stderr]     Checking select v0.4.2
[INFO] [stderr]  Documenting better-rss v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `Command { std: "docker" "inspect" "ec9db56e0699addf845651a246b0c4bd38026e34842835c11ea3222c1dfa4397", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec9db56e0699addf845651a246b0c4bd38026e34842835c11ea3222c1dfa4397", kill_on_drop: false }`
[INFO] [stdout] ec9db56e0699addf845651a246b0c4bd38026e34842835c11ea3222c1dfa4397