[INFO] fetching crate grammers-client 0.2.0...
[INFO] documenting grammers-client-0.2.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate grammers-client 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate grammers-client 0.2.0 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 crates.io crate grammers-client 0.2.0
[INFO] finished tweaking crates.io crate grammers-client 0.2.0
[INFO] tweaked toml for crates.io crate grammers-client 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate grammers-client 0.2.0 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 html5ever v0.25.1
[INFO] [stderr]   Downloaded waker-fn v1.0.0
[INFO] [stderr]   Downloaded async-channel v1.1.1
[INFO] [stderr]   Downloaded futures-lite v0.1.6
[INFO] [stderr]   Downloaded parking v1.0.5
[INFO] [stderr]   Downloaded concurrent-queue v1.1.1
[INFO] [stderr]   Downloaded pin-project-internal v0.4.22
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.65
[INFO] [stderr]   Downloaded event-listener v2.2.0
[INFO] [stderr]   Downloaded fastrand v1.3.3
[INFO] [stderr]   Downloaded grammers-mtsender v0.2.0
[INFO] [stderr]   Downloaded phf_codegen v0.8.0
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.15
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.65
[INFO] [stderr]   Downloaded syn v1.0.35
[INFO] [stderr]   Downloaded web-sys v0.3.42
[INFO] [stderr]   Downloaded js-sys v0.3.42
[INFO] [stderr]   Downloaded blocking v0.4.7
[INFO] [stderr]   Downloaded async-std v1.6.2
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.65
[INFO] [stderr]   Downloaded grammers-session v0.2.0
[INFO] [stderr]   Downloaded smol v0.1.18
[INFO] [stderr]   Downloaded os_info v2.0.6
[INFO] [stderr]   Downloaded serde_json v1.0.56
[INFO] [stderr]   Downloaded locate-locale v0.1.0
[INFO] [stderr]   Downloaded libc v0.2.73
[INFO] [stderr]   Downloaded simple_logger v1.6.0
[INFO] [stderr]   Downloaded pin-project v0.4.22
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.16
[INFO] [stderr]   Downloaded flate2 v1.0.16
[INFO] [stderr]   Downloaded once_cell v1.4.0
[INFO] [stderr]   Downloaded string_cache v0.8.0
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.8
[INFO] [stderr]   Downloaded string_cache_codegen v0.5.1
[INFO] [stderr]   Downloaded markup5ever v0.10.0
[INFO] [stderr]   Downloaded pulldown-cmark v0.7.2
[INFO] [stderr]   Downloaded chrono v0.4.13
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.65
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.65
[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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52d32cbc486de44ac4fb76abd6b3b87ed4bab0863bb538d726686076e9f36aa2
[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" "52d32cbc486de44ac4fb76abd6b3b87ed4bab0863bb538d726686076e9f36aa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52d32cbc486de44ac4fb76abd6b3b87ed4bab0863bb538d726686076e9f36aa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52d32cbc486de44ac4fb76abd6b3b87ed4bab0863bb538d726686076e9f36aa2", kill_on_drop: false }`
[INFO] [stdout] 52d32cbc486de44ac4fb76abd6b3b87ed4bab0863bb538d726686076e9f36aa2
[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" "+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] 9ccfeccfc6749354cac12ce920cbf0a1f9003d02cbd447b2fa7c278c42b0ea8a
[INFO] running `Command { std: "docker" "start" "-a" "9ccfeccfc6749354cac12ce920cbf0a1f9003d02cbd447b2fa7c278c42b0ea8a", 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] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]     Checking event-listener v2.2.0
[INFO] [stderr]     Checking parking v1.0.5
[INFO] [stderr]     Checking locate-locale v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking concurrent-queue v1.1.1
[INFO] [stderr]    Compiling grammers-tl-parser v1.0.0
[INFO] [stderr]     Checking futures-lite v0.1.6
[INFO] [stderr]     Checking os_info v2.0.6
[INFO] [stderr]     Checking aesni v0.6.0
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking async-channel v1.1.1
[INFO] [stderr]    Compiling grammers-tl-gen v0.2.0
[INFO] [stderr]     Checking blocking v0.4.7
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling grammers-tl-types v0.2.0
[INFO] [stderr]     Checking grammers-crypto v0.2.0
[INFO] [stderr]     Checking grammers-session v0.2.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking smol v0.1.18
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking async-std v1.6.2
[INFO] [stderr]     Checking grammers-mtproto v0.2.0
[INFO] [stderr]     Checking grammers-mtsender v0.2.0
[INFO] [stderr]  Documenting grammers-client v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.99s
[INFO] running `Command { std: "docker" "inspect" "9ccfeccfc6749354cac12ce920cbf0a1f9003d02cbd447b2fa7c278c42b0ea8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ccfeccfc6749354cac12ce920cbf0a1f9003d02cbd447b2fa7c278c42b0ea8a", kill_on_drop: false }`
[INFO] [stdout] 9ccfeccfc6749354cac12ce920cbf0a1f9003d02cbd447b2fa7c278c42b0ea8a