[INFO] cloning repository https://github.com/MaikKlein/regression
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MaikKlein/regression" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaikKlein%2Fregression", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaikKlein%2Fregression'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c020b4cd9adfc6166d76ee074c02043cd35640a1
[INFO] documenting MaikKlein/regression against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaikKlein%2Fregression" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MaikKlein/regression on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MaikKlein/regression
[INFO] finished tweaking git repo https://github.com/MaikKlein/regression
[INFO] tweaked toml for git repo https://github.com/MaikKlein/regression written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/MaikKlein/regression already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "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] 34df6e6f179baa29a3a9e29ddbd366f6f8e868370c32afd6e4690a99666d6d72
[INFO] running `Command { std: "docker" "start" "-a" "34df6e6f179baa29a3a9e29ddbd366f6f8e868370c32afd6e4690a99666d6d72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34df6e6f179baa29a3a9e29ddbd366f6f8e868370c32afd6e4690a99666d6d72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34df6e6f179baa29a3a9e29ddbd366f6f8e868370c32afd6e4690a99666d6d72", kill_on_drop: false }`
[INFO] [stdout] 34df6e6f179baa29a3a9e29ddbd366f6f8e868370c32afd6e4690a99666d6d72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "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] 64c44f314ef4c10c0195228db03223f4cb2793e95c73974e6ac1c937fa7afbf7
[INFO] running `Command { std: "docker" "start" "-a" "64c44f314ef4c10c0195228db03223f4cb2793e95c73974e6ac1c937fa7afbf7", kill_on_drop: false }`
[INFO] [stderr]     Checking dtoa v0.4.1
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]     Checking serde v1.0.7
[INFO] [stderr]     Checking itoa v0.3.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling serde_derive_internals v0.15.0
[INFO] [stderr]    Compiling serde_derive v1.0.7
[INFO] [stderr]     Checking serde_json v1.0.2
[INFO] [stderr]     Checking gltf v0.5.0
[INFO] [stderr]  Documenting gltf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.28s
[INFO] running `Command { std: "docker" "inspect" "64c44f314ef4c10c0195228db03223f4cb2793e95c73974e6ac1c937fa7afbf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64c44f314ef4c10c0195228db03223f4cb2793e95c73974e6ac1c937fa7afbf7", kill_on_drop: false }`
[INFO] [stdout] 64c44f314ef4c10c0195228db03223f4cb2793e95c73974e6ac1c937fa7afbf7