[INFO] crate prost-build 0.6.1 is already in cache
[INFO] documenting prost-build-0.6.1 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate prost-build 0.6.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate prost-build 0.6.1 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prost-build 0.6.1
[INFO] finished tweaking crates.io crate prost-build 0.6.1
[INFO] tweaked toml for crates.io crate prost-build 0.6.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7cf398bd1e1ef6f3c86193ec12dc9704ba7a5712420138c0fb1b67086ba0dd58
[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" "7cf398bd1e1ef6f3c86193ec12dc9704ba7a5712420138c0fb1b67086ba0dd58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cf398bd1e1ef6f3c86193ec12dc9704ba7a5712420138c0fb1b67086ba0dd58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cf398bd1e1ef6f3c86193ec12dc9704ba7a5712420138c0fb1b67086ba0dd58", kill_on_drop: false }`
[INFO] [stdout] 7cf398bd1e1ef6f3c86193ec12dc9704ba7a5712420138c0fb1b67086ba0dd58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddd7368ecb0d4497b587c27a64fb23a3d337502d6908aa7f486198db6bc8e6e6
[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" "ddd7368ecb0d4497b587c27a64fb23a3d337502d6908aa7f486198db6bc8e6e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking multimap v0.8.1
[INFO] [stderr]     Checking heck v0.3.1
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]    Compiling prost-build v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]     Checking prost v0.6.1
[INFO] [stderr]     Checking prost-types v0.6.1
[INFO] [stderr]  Documenting prost-build v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `[1]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/code_generator.rs:818:58
[INFO] [stdout]     |
[INFO] [stdout] 818 | /// Based on [`google::protobuf::UnescapeCEscapeString`][1]
[INFO] [stdout]     |                                                          ^ cannot be resolved, ignoring
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(intra_doc_link_resolution_failure)]` on by default
[INFO] [stdout]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[1]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/code_generator.rs:818:58
[INFO] [stdout]     |
[INFO] [stdout] 818 | /// Based on [`google::protobuf::UnescapeCEscapeString`][1]
[INFO] [stdout]     |                                                          ^ cannot be resolved, ignoring
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[1]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/code_generator.rs:819:6
[INFO] [stdout]     |
[INFO] [stdout] 819 | /// [1]: https://github.com/google/protobuf/blob/3.3.x/src/google/protobuf/stubs/strutil.cc#L312-L322
[INFO] [stdout]     |      ^ cannot be resolved, ignoring
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.85s
[INFO] running `Command { std: "docker" "inspect" "ddd7368ecb0d4497b587c27a64fb23a3d337502d6908aa7f486198db6bc8e6e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddd7368ecb0d4497b587c27a64fb23a3d337502d6908aa7f486198db6bc8e6e6", kill_on_drop: false }`
[INFO] [stdout] ddd7368ecb0d4497b587c27a64fb23a3d337502d6908aa7f486198db6bc8e6e6