[INFO] fetching crate vhdl_ls 0.15.0...
[INFO] documenting vhdl_ls-0.15.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate vhdl_ls 0.15.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate vhdl_ls 0.15.0 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 vhdl_ls 0.15.0
[INFO] finished tweaking crates.io crate vhdl_ls 0.15.0
[INFO] tweaked toml for crates.io crate vhdl_ls 0.15.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate vhdl_ls 0.15.0 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]     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 jsonrpc-core v9.0.0
[INFO] [stderr]   Downloaded vhdl_lang v0.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 9abf0b28db65d19b808716d7aba8b07ca655e26d361e56315e67c71f2a7636a0
[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" "9abf0b28db65d19b808716d7aba8b07ca655e26d361e56315e67c71f2a7636a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9abf0b28db65d19b808716d7aba8b07ca655e26d361e56315e67c71f2a7636a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9abf0b28db65d19b808716d7aba8b07ca655e26d361e56315e67c71f2a7636a0", kill_on_drop: false }`
[INFO] [stdout] 9abf0b28db65d19b808716d7aba8b07ca655e26d361e56315e67c71f2a7636a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 04c2fd6b0fff533408aa7c1b0187a0beb6ca5a5296e06a23487d879c33aee642
[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" "04c2fd6b0fff533408aa7c1b0187a0beb6ca5a5296e06a23487d879c33aee642", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]     Checking dunce v1.0.0
[INFO] [stderr]     Checking pad v0.1.6
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking regex v1.3.3
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling serde_repr v0.1.5
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking toml v0.5.5
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking jsonrpc-core v9.0.0
[INFO] [stderr]     Checking lsp-types v0.63.1
[INFO] [stderr]     Checking vhdl_lang v0.14.0
[INFO] [stderr]  Documenting vhdl_ls v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.15s
[INFO] running `Command { std: "docker" "inspect" "04c2fd6b0fff533408aa7c1b0187a0beb6ca5a5296e06a23487d879c33aee642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04c2fd6b0fff533408aa7c1b0187a0beb6ca5a5296e06a23487d879c33aee642", kill_on_drop: false }`
[INFO] [stdout] 04c2fd6b0fff533408aa7c1b0187a0beb6ca5a5296e06a23487d879c33aee642