[INFO] updating cached repository https://github.com/Ryan1729/stru
[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] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 90178bbfabd23bf881b8fcd1ebbd8d85d57ae793
[INFO] documenting Ryan1729/stru against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyan1729%2Fstru" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ryan1729/stru 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/Ryan1729/stru
[INFO] finished tweaking git repo https://github.com/Ryan1729/stru
[INFO] tweaked toml for git repo https://github.com/Ryan1729/stru written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Ryan1729/stru 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0b460822f9e5403b82de0f51a034a30855501074e2e84a7b1cfbdcaf567fa356
[INFO] running `Command { std: "docker" "start" "-a" "0b460822f9e5403b82de0f51a034a30855501074e2e84a7b1cfbdcaf567fa356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b460822f9e5403b82de0f51a034a30855501074e2e84a7b1cfbdcaf567fa356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b460822f9e5403b82de0f51a034a30855501074e2e84a7b1cfbdcaf567fa356", kill_on_drop: false }`
[INFO] [stdout] 0b460822f9e5403b82de0f51a034a30855501074e2e84a7b1cfbdcaf567fa356
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 71d5042cc8e862d06a4095599cfb458bffbc093b50df9b9b66a34050d7dd056a
[INFO] running `Command { std: "docker" "start" "-a" "71d5042cc8e862d06a4095599cfb458bffbc093b50df9b9b66a34050d7dd056a", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.43
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling error-chain v0.7.2
[INFO] [stderr]     Checking libc v0.2.20
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.2
[INFO] [stderr]    Compiling cmake v0.1.21
[INFO] [stderr]     Checking errno v0.2.3
[INFO] [stderr]    Compiling metadeps v1.1.1
[INFO] [stderr]    Compiling stru v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling expat-sys v2.1.4
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.3
[INFO] [stderr]    Compiling x11 v2.12.1
[INFO] [stderr]     Checking servo-fontconfig v0.2.1
[INFO] [stderr]  Documenting stru v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]    --> src/main.rs:305:1
[INFO] [stdout]     |
[INFO] [stdout] 305 | #[link_args = "-L/usr/lib -lc -L/usr/X11R6/lib -lm -lrt -lX11 -lutil -lXft -lfontconfig -lfreetype"]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.06s
[INFO] running `Command { std: "docker" "inspect" "71d5042cc8e862d06a4095599cfb458bffbc093b50df9b9b66a34050d7dd056a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71d5042cc8e862d06a4095599cfb458bffbc093b50df9b9b66a34050d7dd056a", kill_on_drop: false }`
[INFO] [stdout] 71d5042cc8e862d06a4095599cfb458bffbc093b50df9b9b66a34050d7dd056a