[INFO] cloning repository https://github.com/durid-ah/ref_cell_btree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/durid-ah/ref_cell_btree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdurid-ah%2Fref_cell_btree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdurid-ah%2Fref_cell_btree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] abbeafe6ce7013d032447e83246c53d180aa6ab6
[INFO] documenting durid-ah/ref_cell_btree 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%2Fdurid-ah%2Fref_cell_btree" "/workspace/builds/worker-32/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-32/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/durid-ah/ref_cell_btree 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/durid-ah/ref_cell_btree
[INFO] finished tweaking git repo https://github.com/durid-ah/ref_cell_btree
[INFO] tweaked toml for git repo https://github.com/durid-ah/ref_cell_btree written to /workspace/builds/worker-32/source/Cargo.toml
[INFO] crate git repo https://github.com/durid-ah/ref_cell_btree 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] [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-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] [stdout] ba058197e67b9fa9a0a432d5a133a8d5c57d53dcf5904b91365ebc65923e383e
[INFO] running `Command { std: "docker" "start" "-a" "ba058197e67b9fa9a0a432d5a133a8d5c57d53dcf5904b91365ebc65923e383e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba058197e67b9fa9a0a432d5a133a8d5c57d53dcf5904b91365ebc65923e383e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba058197e67b9fa9a0a432d5a133a8d5c57d53dcf5904b91365ebc65923e383e", kill_on_drop: false }`
[INFO] [stdout] ba058197e67b9fa9a0a432d5a133a8d5c57d53dcf5904b91365ebc65923e383e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] [stdout] 4ce6da3a621ad45c112f5a874690ef163120bb23254bee65e7bcddbe6b931e03
[INFO] running `Command { std: "docker" "start" "-a" "4ce6da3a621ad45c112f5a874690ef163120bb23254bee65e7bcddbe6b931e03", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting ref_cell_btree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.29s
[INFO] running `Command { std: "docker" "inspect" "4ce6da3a621ad45c112f5a874690ef163120bb23254bee65e7bcddbe6b931e03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ce6da3a621ad45c112f5a874690ef163120bb23254bee65e7bcddbe6b931e03", kill_on_drop: false }`
[INFO] [stdout] 4ce6da3a621ad45c112f5a874690ef163120bb23254bee65e7bcddbe6b931e03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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" "RUSTFLAGS=--cap-lints=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 1781b5675f59248f60348a8c32e45ba3991e36255de744480a3fa97f8606713e
[INFO] running `Command { std: "docker" "start" "-a" "1781b5675f59248f60348a8c32e45ba3991e36255de744480a3fa97f8606713e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting ref_cell_btree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.98s
[INFO] running `Command { std: "docker" "inspect" "1781b5675f59248f60348a8c32e45ba3991e36255de744480a3fa97f8606713e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1781b5675f59248f60348a8c32e45ba3991e36255de744480a3fa97f8606713e", kill_on_drop: false }`
[INFO] [stdout] 1781b5675f59248f60348a8c32e45ba3991e36255de744480a3fa97f8606713e