[INFO] fetching crate wapc 0.9.0...
[INFO] documenting wapc-0.9.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate wapc 0.9.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate wapc 0.9.0 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 wapc 0.9.0
[INFO] finished tweaking crates.io crate wapc 0.9.0
[INFO] tweaked toml for crates.io crate wapc 0.9.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate wapc 0.9.0 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 wat v1.0.21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 349e4193262176385ef940c4f402f992e82ba7e697b6b900747c64ec4e746260
[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" "349e4193262176385ef940c4f402f992e82ba7e697b6b900747c64ec4e746260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "349e4193262176385ef940c4f402f992e82ba7e697b6b900747c64ec4e746260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "349e4193262176385ef940c4f402f992e82ba7e697b6b900747c64ec4e746260", kill_on_drop: false }`
[INFO] [stdout] 349e4193262176385ef940c4f402f992e82ba7e697b6b900747c64ec4e746260
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] c7302b390d318b5cfc9068581b0d12844f35aed65616776483b4fdd29714fb5a
[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" "c7302b390d318b5cfc9068581b0d12844f35aed65616776483b4fdd29714fb5a", kill_on_drop: false }`
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]    Compiling leb128 v0.2.4
[INFO] [stderr]     Checking wasmparser v0.57.0
[INFO] [stderr]    Compiling wasmtime-environ v0.19.0
[INFO] [stderr]     Checking base64 v0.12.2
[INFO] [stderr]     Checking object v0.19.0
[INFO] [stderr]    Compiling wasi-common v0.19.1
[INFO] [stderr]    Compiling wasmtime-wasi v0.19.1
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]     Checking tracing-core v0.1.10
[INFO] [stderr]     Checking wast v11.0.0
[INFO] [stderr]     Checking wast v20.0.0
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]     Checking regalloc v0.0.27
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking errno v0.2.5
[INFO] [stderr]     Checking filetime v0.2.10
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking region v2.2.0
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking yanix v0.19.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking rayon-core v1.7.1
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]     Checking file-per-thread-logger v0.1.3
[INFO] [stderr]     Checking rayon v1.3.1
[INFO] [stderr]    Compiling zstd-sys v1.4.17+zstd.1.4.5
[INFO] [stderr]    Compiling wasmtime-runtime v0.19.0
[INFO] [stderr]    Compiling raw-cpuid v7.0.3
[INFO] [stderr]     Checking wat v1.0.21
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling scroll_derive v0.10.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.8
[INFO] [stderr]     Checking scroll v0.10.1
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]    Compiling witx v0.8.5
[INFO] [stderr]     Checking tracing v0.1.15
[INFO] [stderr]    Compiling wiggle-generate v0.19.0
[INFO] [stderr]    Compiling wig v0.19.0
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]    Compiling wiggle-macro v0.19.0
[INFO] [stderr]    Compiling wasmtime-wiggle-macro v0.19.1
[INFO] [stderr]     Checking wiggle v0.19.0
[INFO] [stderr]     Checking cranelift-entity v0.66.0
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking cranelift-bforest v0.66.0
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.66.0
[INFO] [stderr]     Checking zstd-safe v2.0.5+zstd.1.4.5
[INFO] [stderr]     Checking zstd v0.5.3+zstd.1.4.5
[INFO] [stderr]     Checking addr2line v0.12.2
[INFO] [stderr]     Checking backtrace v0.3.49
[INFO] [stderr]    Compiling cranelift-codegen v0.66.0
[INFO] [stderr]     Checking cranelift-frontend v0.66.0
[INFO] [stderr]     Checking cranelift-native v0.66.0
[INFO] [stderr]     Checking cranelift-wasm v0.66.0
[INFO] [stderr]     Checking wasmtime-debug v0.19.0
[INFO] [stderr]     Checking wasmtime-profiling v0.19.0
[INFO] [stderr]     Checking wasmtime-obj v0.19.0
[INFO] [stderr]     Checking wasmtime-jit v0.19.0
[INFO] [stderr]     Checking wasmtime v0.19.0
[INFO] [stderr]     Checking wasmtime-wiggle v0.19.0
[INFO] [stderr]  Documenting wapc v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 51s
[INFO] running `Command { std: "docker" "inspect" "c7302b390d318b5cfc9068581b0d12844f35aed65616776483b4fdd29714fb5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7302b390d318b5cfc9068581b0d12844f35aed65616776483b4fdd29714fb5a", kill_on_drop: false }`
[INFO] [stdout] c7302b390d318b5cfc9068581b0d12844f35aed65616776483b4fdd29714fb5a