[INFO] cloning repository https://github.com/ethanfrey/demo2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ethanfrey/demo2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethanfrey%2Fdemo2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethanfrey%2Fdemo2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c3730c9c5de22edee47580b93bb85fedd90ef4e
[INFO] documenting ethanfrey/demo2 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%2Fethanfrey%2Fdemo2" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ethanfrey/demo2 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] removed /workspace/builds/worker-1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/ethanfrey/demo2
[INFO] finished tweaking git repo https://github.com/ethanfrey/demo2
[INFO] tweaked toml for git repo https://github.com/ethanfrey/demo2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/ethanfrey/demo2 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 const-random-macro v0.1.8
[INFO] [stderr]   Downloaded page_size v0.4.2
[INFO] [stderr]   Downloaded doc-comment v0.3.2
[INFO] [stderr]   Downloaded constant_time_eq v0.1.5
[INFO] [stderr]   Downloaded const-random v0.1.8
[INFO] [stderr]   Downloaded blake3 v0.1.5
[INFO] [stderr]   Downloaded serde-bench v0.0.7
[INFO] [stderr]   Downloaded syn v1.0.16
[INFO] [stderr]   Downloaded serde-json-wasm v0.1.3
[INFO] [stderr]   Downloaded arrayref v0.3.6
[INFO] [stderr]   Downloaded owning_ref v0.4.1
[INFO] [stderr]   Downloaded raw-cpuid v7.0.3
[INFO] [stderr]   Downloaded target-lexicon v0.9.0
[INFO] [stderr]   Downloaded cranelift-bforest v0.52.0
[INFO] [stderr]   Downloaded sha2 v0.8.1
[INFO] [stderr]   Downloaded snafu-derive v0.5.0
[INFO] [stderr]   Downloaded wasmer-win-exception-handler v0.14.1
[INFO] [stderr]   Downloaded cw-storage v0.2.0
[INFO] [stderr]   Downloaded thiserror v1.0.11
[INFO] [stderr]   Downloaded cranelift-entity v0.52.0
[INFO] [stderr]   Downloaded wasmer-clif-backend v0.14.1
[INFO] [stderr]   Downloaded serde_bytes v0.11.3
[INFO] [stderr]   Downloaded thiserror-impl v1.0.11
[INFO] [stderr]   Downloaded wasmer-runtime-core v0.14.1
[INFO] [stderr]   Downloaded cranelift-native v0.52.0
[INFO] [stderr]   Downloaded wasmer-clif-fork-frontend v0.52.0
[INFO] [stderr]   Downloaded parity-wasm v0.41.0
[INFO] [stderr]   Downloaded backtrace v0.3.45
[INFO] [stderr]   Downloaded cranelift-codegen v0.52.0
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.52.0
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.52.0
[INFO] [stderr]   Downloaded wasmparser v0.45.2
[INFO] [stderr]   Downloaded libc v0.2.67
[INFO] [stderr]   Downloaded lru v0.3.1
[INFO] [stderr]   Downloaded dynasm v0.5.2
[INFO] [stderr]   Downloaded wasmer-clif-fork-wasm v0.52.0
[INFO] [stderr]   Downloaded wasmer-singlepass-backend v0.14.1
[INFO] [stderr]   Downloaded wasmer-middleware-common v0.14.1
[INFO] [stderr]   Downloaded dynasmrt v0.5.2
[INFO] [stderr]   Downloaded serde_derive_internals v0.25.0
[INFO] [stderr]   Downloaded backtrace-sys v0.1.34
[INFO] [stderr]   Downloaded schemars_derive v0.5.0
[INFO] [stderr]   Downloaded snafu v0.5.0
[INFO] [stderr]   Downloaded schemars v0.5.1
[INFO] [stderr]   Downloaded cosmwasm v0.7.1
[INFO] [stderr]   Downloaded cosmwasm-vm v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] feadd6ffe05dbe710a44d4e9799dde77f70163acc6e862ceda6397494474a2fb
[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" "feadd6ffe05dbe710a44d4e9799dde77f70163acc6e862ceda6397494474a2fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "feadd6ffe05dbe710a44d4e9799dde77f70163acc6e862ceda6397494474a2fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feadd6ffe05dbe710a44d4e9799dde77f70163acc6e862ceda6397494474a2fb", kill_on_drop: false }`
[INFO] [stdout] feadd6ffe05dbe710a44d4e9799dde77f70163acc6e862ceda6397494474a2fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] b414e84fa4bd8074fc7845e06d6b7681a120b8caefcfc6166151dbc006550deb
[INFO] running `Command { std: "docker" "start" "-a" "b414e84fa4bd8074fc7845e06d6b7681a120b8caefcfc6166151dbc006550deb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling doc-comment v0.3.2
[INFO] [stderr]    Compiling schemars v0.5.1
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling snafu-derive v0.5.0
[INFO] [stderr]     Checking snafu v0.5.0
[INFO] [stderr]    Compiling serde_derive_internals v0.25.0
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling schemars_derive v0.5.0
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking serde-json-wasm v0.1.3
[INFO] [stderr]     Checking cosmwasm v0.7.1
[INFO] [stderr]     Checking cw-storage v0.2.0
[INFO] [stderr]  Documenting demo2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.65s
[INFO] running `Command { std: "docker" "inspect" "b414e84fa4bd8074fc7845e06d6b7681a120b8caefcfc6166151dbc006550deb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b414e84fa4bd8074fc7845e06d6b7681a120b8caefcfc6166151dbc006550deb", kill_on_drop: false }`
[INFO] [stdout] b414e84fa4bd8074fc7845e06d6b7681a120b8caefcfc6166151dbc006550deb