[INFO] updating cached repository https://github.com/osuiowq/vector-intersection-experiments
[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] 6908033ddc7c287b68c35ef3ca6c12fb7b8b51c4
[INFO] documenting osuiowq/vector-intersection-experiments against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fosuiowq%2Fvector-intersection-experiments" "/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/osuiowq/vector-intersection-experiments 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/osuiowq/vector-intersection-experiments
[INFO] finished tweaking git repo https://github.com/osuiowq/vector-intersection-experiments
[INFO] tweaked toml for git repo https://github.com/osuiowq/vector-intersection-experiments written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/osuiowq/vector-intersection-experiments 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] 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" "+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] cca0950af9134262d2940f89630461467b79a10d3f4d7fea180108e5b4cf11ca
[INFO] running `Command { std: "docker" "start" "-a" "cca0950af9134262d2940f89630461467b79a10d3f4d7fea180108e5b4cf11ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cca0950af9134262d2940f89630461467b79a10d3f4d7fea180108e5b4cf11ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cca0950af9134262d2940f89630461467b79a10d3f4d7fea180108e5b4cf11ca", kill_on_drop: false }`
[INFO] [stdout] cca0950af9134262d2940f89630461467b79a10d3f4d7fea180108e5b4cf11ca
[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" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58d8d7c4e646d631bacfcabf63116b9cc9ff42c909d47b029ab1a81bd36dbbf4
[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" "58d8d7c4e646d631bacfcabf63116b9cc9ff42c909d47b029ab1a81bd36dbbf4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking array_tool v1.0.3
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]  Documenting vector-intersection-experiments v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `sentinel` should have an upper case name
[INFO] [stdout]  --> src/main.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const sentinel : i32 = <i32>::max_value();
[INFO] [stdout]   |       ^^^^^^^^ help: convert the identifier to upper case: `SENTINEL`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `num_iterations` should have an upper case name
[INFO] [stdout]  --> src/main.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const num_iterations :u32 = 20;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `NUM_ITERATIONS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.12s
[INFO] running `Command { std: "docker" "inspect" "58d8d7c4e646d631bacfcabf63116b9cc9ff42c909d47b029ab1a81bd36dbbf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58d8d7c4e646d631bacfcabf63116b9cc9ff42c909d47b029ab1a81bd36dbbf4", kill_on_drop: false }`
[INFO] [stdout] 58d8d7c4e646d631bacfcabf63116b9cc9ff42c909d47b029ab1a81bd36dbbf4