[INFO] cloning repository https://github.com/finnkauski/brewbot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/finnkauski/brewbot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffinnkauski%2Fbrewbot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffinnkauski%2Fbrewbot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d2780aa0b316cf840237075367368c3f2dfe038
[INFO] documenting finnkauski/brewbot 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%2Ffinnkauski%2Fbrewbot" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/finnkauski/brewbot 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/finnkauski/brewbot
[INFO] finished tweaking git repo https://github.com/finnkauski/brewbot
[INFO] tweaked toml for git repo https://github.com/finnkauski/brewbot written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/finnkauski/brewbot 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.8
[INFO] [stderr]   Downloaded tokio-rustls v0.12.2
[INFO] [stderr]   Downloaded reqwest v0.10.1
[INFO] [stderr]   Downloaded tokio v0.2.11
[INFO] [stderr]   Downloaded ct-logs v0.6.0
[INFO] [stderr]   Downloaded command_attr v0.1.7
[INFO] [stderr]   Downloaded hey_listen v0.4.0
[INFO] [stderr]   Downloaded rss v1.9.0
[INFO] [stderr]   Downloaded webpki v0.21.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.8
[INFO] [stderr]   Downloaded white_rabbit v0.1.1
[INFO] [stderr]   Downloaded hyper v0.13.2
[INFO] [stderr]   Downloaded quick-xml v0.17.2
[INFO] [stderr]   Downloaded wasm-bindgen-webidl v0.2.58
[INFO] [stderr]   Downloaded serde_json v1.0.45
[INFO] [stderr]   Downloaded indexmap v1.3.1
[INFO] [stderr]   Downloaded bumpalo v3.1.2
[INFO] [stderr]   Downloaded encoding_rs v0.8.22
[INFO] [stderr]   Downloaded backtrace v0.3.43
[INFO] [stderr]   Downloaded syn v1.0.14
[INFO] [stderr]   Downloaded pin-project-internal v0.4.8
[INFO] [stderr]   Downloaded pin-project v0.4.8
[INFO] [stderr]   Downloaded rustls-native-certs v0.1.0
[INFO] [stderr]   Downloaded hyper-rustls v0.19.1
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.58
[INFO] [stderr]   Downloaded smallvec v1.2.0
[INFO] [stderr]   Downloaded serenity v0.8.0
[INFO] [stderr]   Downloaded js-sys v0.3.35
[INFO] [stderr]   Downloaded untrusted v0.7.0
[INFO] [stderr]   Downloaded ring v0.16.9
[INFO] [stderr]   Downloaded uwl v0.5.1
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.58
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.58
[INFO] [stderr]   Downloaded anyhow v1.0.26
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.58
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.58
[INFO] [stderr]   Downloaded web-sys v0.3.35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 6ce4fd62a1bb0f9570f554f4c6349da5ece25e0b6f77dc8b13e75630c6ae5e4e
[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" "6ce4fd62a1bb0f9570f554f4c6349da5ece25e0b6f77dc8b13e75630c6ae5e4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ce4fd62a1bb0f9570f554f4c6349da5ece25e0b6f77dc8b13e75630c6ae5e4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ce4fd62a1bb0f9570f554f4c6349da5ece25e0b6f77dc8b13e75630c6ae5e4e", kill_on_drop: false }`
[INFO] [stdout] 6ce4fd62a1bb0f9570f554f4c6349da5ece25e0b6f77dc8b13e75630c6ae5e4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 540fbee86bffd0f1af40e3947ae09378934d9cb28f3e0fe118fe2e2b031906cb
[INFO] running `Command { std: "docker" "start" "-a" "540fbee86bffd0f1af40e3947ae09378934d9cb28f3e0fe118fe2e2b031906cb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling serenity v0.8.0
[INFO] [stderr]     Checking uwl v0.5.1
[INFO] [stderr]    Compiling ring v0.16.9
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking quick-xml v0.17.2
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking backtrace v0.3.43
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Checking tungstenite v0.9.2
[INFO] [stderr]     Checking webpki v0.21.0
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking ct-logs v0.6.0
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]     Checking webpki-roots v0.17.0
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking tokio-rustls v0.12.2
[INFO] [stderr]     Checking rustls-native-certs v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling command_attr v0.1.7
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]     Checking pin-project v0.4.8
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]     Checking rss v1.9.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking hyper v0.13.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.45
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking hyper-rustls v0.19.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking reqwest v0.10.1
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]     Checking crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]    Compiling hey_listen v0.4.0
[INFO] [stderr]    Compiling white_rabbit v0.1.1
[INFO] [stderr]  Documenting discord_bot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 41s
[INFO] running `Command { std: "docker" "inspect" "540fbee86bffd0f1af40e3947ae09378934d9cb28f3e0fe118fe2e2b031906cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "540fbee86bffd0f1af40e3947ae09378934d9cb28f3e0fe118fe2e2b031906cb", kill_on_drop: false }`
[INFO] [stdout] 540fbee86bffd0f1af40e3947ae09378934d9cb28f3e0fe118fe2e2b031906cb