[INFO] fetching crate solang 0.1.3...
[INFO] documenting solang-0.1.3 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate solang 0.1.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate solang 0.1.3 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 solang 0.1.3
[INFO] finished tweaking crates.io crate solang 0.1.3
[INFO] tweaked toml for crates.io crate solang 0.1.3 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate solang 0.1.3 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 phf_macros v0.8.0
[INFO] [stderr]   Downloaded inkwell_internals v0.2.0
[INFO] [stderr]   Downloaded lalrpop v0.19.0
[INFO] [stderr]   Downloaded lalrpop-util v0.19.0
[INFO] [stderr]   Downloaded llvm-sys v100.1.1
[INFO] [stderr]   Downloaded inkwell v0.1.0-llvm10sample
[INFO] [stderr]   Downloaded ethabi v12.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 40adbf6ab9e3f3e624c07921ae263cb9248df5798243d2f27fc1963d05564096
[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" "40adbf6ab9e3f3e624c07921ae263cb9248df5798243d2f27fc1963d05564096", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40adbf6ab9e3f3e624c07921ae263cb9248df5798243d2f27fc1963d05564096", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40adbf6ab9e3f3e624c07921ae263cb9248df5798243d2f27fc1963d05564096", kill_on_drop: false }`
[INFO] [stdout] 40adbf6ab9e3f3e624c07921ae263cb9248df5798243d2f27fc1963d05564096
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 49cc9ef6209741fffc1f781d6b1edab8c97dad889b853176b48d9ebb4ec5eb6f
[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" "49cc9ef6209741fffc1f781d6b1edab8c97dad889b853176b48d9ebb4ec5eb6f", 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 syn v1.0.39
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling lalrpop-util v0.19.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling inkwell v0.1.0-llvm10sample
[INFO] [stderr]     Checking parity-wasm v0.41.0
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling llvm-sys v100.1.1
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]     Checking tiny-keccak v2.0.2
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling inkwell_internals v0.2.0
[INFO] [stderr]    Compiling num-derive v0.3.2
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]    Compiling string_cache v0.8.0
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling lalrpop v0.19.0
[INFO] [stderr]    Compiling solang v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting solang v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 11s
[INFO] running `Command { std: "docker" "inspect" "49cc9ef6209741fffc1f781d6b1edab8c97dad889b853176b48d9ebb4ec5eb6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49cc9ef6209741fffc1f781d6b1edab8c97dad889b853176b48d9ebb4ec5eb6f", kill_on_drop: false }`
[INFO] [stdout] 49cc9ef6209741fffc1f781d6b1edab8c97dad889b853176b48d9ebb4ec5eb6f