[INFO] fetching crate coto 0.1.0...
[INFO] documenting coto-0.1.0 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate coto 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate coto 0.1.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate coto 0.1.0
[INFO] finished tweaking crates.io crate coto 0.1.0
[INFO] tweaked toml for crates.io crate coto 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate coto 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.14
[INFO] [stderr]   Downloaded cache-padded v1.1.0
[INFO] [stderr]   Downloaded kv-log-macro v1.0.6
[INFO] [stderr]   Downloaded generator v0.6.21
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.64
[INFO] [stderr]   Downloaded input-event-codes v0.2.1
[INFO] [stderr]   Downloaded js-sys v0.3.41
[INFO] [stderr]   Downloaded loom v0.3.4
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.64
[INFO] [stderr]   Downloaded blocking v0.4.6
[INFO] [stderr]   Downloaded device_query v0.2.4
[INFO] [stderr]   Downloaded dialoguer v0.6.2
[INFO] [stderr]   Downloaded fastrand v1.3.2
[INFO] [stderr]   Downloaded concurrent-queue v1.1.1
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.64
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.64
[INFO] [stderr]   Downloaded parking v1.0.3
[INFO] [stderr]   Downloaded readkey v0.1.7
[INFO] [stderr]   Downloaded readmouse v0.2.1
[INFO] [stderr]   Downloaded x11 v2.18.2
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.64
[INFO] [stderr]   Downloaded web-sys v0.3.41
[INFO] [stderr]   Downloaded bytes v0.5.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e28b6ba066d452260f8e9330d8ce8434080915730415775abdf5f1fe8ef6d58e
[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" "e28b6ba066d452260f8e9330d8ce8434080915730415775abdf5f1fe8ef6d58e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e28b6ba066d452260f8e9330d8ce8434080915730415775abdf5f1fe8ef6d58e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e28b6ba066d452260f8e9330d8ce8434080915730415775abdf5f1fe8ef6d58e", kill_on_drop: false }`
[INFO] [stdout] e28b6ba066d452260f8e9330d8ce8434080915730415775abdf5f1fe8ef6d58e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 649d922b9d2838c0d0a5c7ccc67d2ed631df5a34a43708d83af8486beb3ab317
[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" "649d922b9d2838c0d0a5c7ccc67d2ed631df5a34a43708d83af8486beb3ab317", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking parking v1.0.3
[INFO] [stderr]     Checking fastrand v1.3.2
[INFO] [stderr]     Checking input-event-codes v0.2.1
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling device_query v0.2.4
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking kv-log-macro v1.0.6
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking native-tls v0.2.4
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking console v0.11.3
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking dialoguer v0.6.2
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.2.5
[INFO] [stderr]     Checking blocking v0.4.6
[INFO] [stderr]     Checking smol v0.1.18
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking serde_json v1.0.56
[INFO] [stderr]     Checking async-std v1.6.2
[INFO] [stderr]     Checking hyper v0.13.6
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking reqwest v0.10.6
[INFO] [stderr]  Documenting coto v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.43s
[INFO] running `Command { std: "docker" "inspect" "649d922b9d2838c0d0a5c7ccc67d2ed631df5a34a43708d83af8486beb3ab317", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "649d922b9d2838c0d0a5c7ccc67d2ed631df5a34a43708d83af8486beb3ab317", kill_on_drop: false }`
[INFO] [stdout] 649d922b9d2838c0d0a5c7ccc67d2ed631df5a34a43708d83af8486beb3ab317
