[INFO] updating cached repository https://github.com/peterdelevoryas/rbx
[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] d9f029f6eb201c48638c084d8bb1f6fd41a70ce4
[INFO] documenting peterdelevoryas/rbx against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeterdelevoryas%2Frbx" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/peterdelevoryas/rbx on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/peterdelevoryas/rbx
[INFO] finished tweaking git repo https://github.com/peterdelevoryas/rbx
[INFO] tweaked toml for git repo https://github.com/peterdelevoryas/rbx written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/peterdelevoryas/rbx already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79e8440194cf767f5ac25aeef7f1d9387068ee492f7b3c99d356586f1dcbbdf4
[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" "79e8440194cf767f5ac25aeef7f1d9387068ee492f7b3c99d356586f1dcbbdf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79e8440194cf767f5ac25aeef7f1d9387068ee492f7b3c99d356586f1dcbbdf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79e8440194cf767f5ac25aeef7f1d9387068ee492f7b3c99d356586f1dcbbdf4", kill_on_drop: false }`
[INFO] [stdout] 79e8440194cf767f5ac25aeef7f1d9387068ee492f7b3c99d356586f1dcbbdf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "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] ebb5023272c1f4940ab4251490cb86ee80f0c1882c5a6c4a3a766ddf526268c3
[INFO] running `Command { std: "docker" "start" "-a" "ebb5023272c1f4940ab4251490cb86ee80f0c1882c5a6c4a3a766ddf526268c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling cranelift-entity v0.37.0
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking indexmap v1.1.0
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling scroll v0.9.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling serde v1.0.100
[INFO] [stderr]     Checking string-interner v0.6.4
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.37.0
[INFO] [stderr]     Checking cranelift-bforest v0.37.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]     Checking backtrace v0.3.37
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling scroll_derive v0.9.5
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking goblin v0.0.23
[INFO] [stderr]     Checking goblin v0.0.22
[INFO] [stderr]    Compiling target-lexicon v0.4.0
[INFO] [stderr]    Compiling cranelift-codegen v0.37.0
[INFO] [stderr]     Checking faerie v0.10.2
[INFO] [stderr]     Checking cranelift-frontend v0.37.0
[INFO] [stderr]     Checking cranelift-module v0.37.0
[INFO] [stderr]     Checking cranelift-faerie v0.37.0
[INFO] [stderr]     Checking cranelift v0.37.0
[INFO] [stderr]  Documenting rbx v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 24s
[INFO] running `Command { std: "docker" "inspect" "ebb5023272c1f4940ab4251490cb86ee80f0c1882c5a6c4a3a766ddf526268c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebb5023272c1f4940ab4251490cb86ee80f0c1882c5a6c4a3a766ddf526268c3", kill_on_drop: false }`
[INFO] [stdout] ebb5023272c1f4940ab4251490cb86ee80f0c1882c5a6c4a3a766ddf526268c3