[INFO] updating cached repository https://github.com/tool-tool-team/tool-tool
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] [stderr] From https://github.com/tool-tool-team/tool-tool
[INFO] [stderr]  + 7c9d0c2...54a96f3 master     -> master  (forced update)
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 54a96f3641d57361e34a2f051b241d4b4ce6275b
[INFO] documenting tool-tool-team/tool-tool against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftool-tool-team%2Ftool-tool" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tool-tool-team/tool-tool 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 git repo https://github.com/tool-tool-team/tool-tool
[INFO] finished tweaking git repo https://github.com/tool-tool-team/tool-tool
[INFO] tweaked toml for git repo https://github.com/tool-tool-team/tool-tool written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/tool-tool-team/tool-tool already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "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] 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] e615527cb1b2d97c286736ceedf0b2f7557f1e93877e0d00cbb485ef39b3f9f6
[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" "e615527cb1b2d97c286736ceedf0b2f7557f1e93877e0d00cbb485ef39b3f9f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e615527cb1b2d97c286736ceedf0b2f7557f1e93877e0d00cbb485ef39b3f9f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e615527cb1b2d97c286736ceedf0b2f7557f1e93877e0d00cbb485ef39b3f9f6", kill_on_drop: false }`
[INFO] [stdout] e615527cb1b2d97c286736ceedf0b2f7557f1e93877e0d00cbb485ef39b3f9f6
[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] 77ef12f50a4162d7806e0680dca0b2ff8a5d7fbf71901978713f4e78bd251ad2
[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" "77ef12f50a4162d7806e0680dca0b2ff8a5d7fbf71901978713f4e78bd251ad2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling syn v1.0.29
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking podio v0.1.7
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking filetime v0.2.10
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking tar v0.4.28
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking zip v0.5.5
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki-roots v0.19.0
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]     Checking atomicwrites v0.2.5
[INFO] [stderr]     Checking http_req v0.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]     Checking serde v1.0.111
[INFO] [stderr]     Checking serde_yaml v0.8.12
[INFO] [stderr]  Documenting tool-tool v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `Command { std: "docker" "inspect" "77ef12f50a4162d7806e0680dca0b2ff8a5d7fbf71901978713f4e78bd251ad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77ef12f50a4162d7806e0680dca0b2ff8a5d7fbf71901978713f4e78bd251ad2", kill_on_drop: false }`
[INFO] [stdout] 77ef12f50a4162d7806e0680dca0b2ff8a5d7fbf71901978713f4e78bd251ad2