[INFO] cloning repository https://github.com/stevenmsl/rust_unique_bst_96
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stevenmsl/rust_unique_bst_96" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevenmsl%2Frust_unique_bst_96", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevenmsl%2Frust_unique_bst_96'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6240603cdb04d87f3fc5568d89ef8c5d325a3bcd
[INFO] documenting stevenmsl/rust_unique_bst_96 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%2Fstevenmsl%2Frust_unique_bst_96" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stevenmsl/rust_unique_bst_96 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/stevenmsl/rust_unique_bst_96
[INFO] finished tweaking git repo https://github.com/stevenmsl/rust_unique_bst_96
[INFO] tweaked toml for git repo https://github.com/stevenmsl/rust_unique_bst_96 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/stevenmsl/rust_unique_bst_96 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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 98adbf1315713a6558c4d87ff9eb1c7fd853fbe6553c2cbbd25bd971403d6919
[INFO] running `Command { std: "docker" "start" "-a" "98adbf1315713a6558c4d87ff9eb1c7fd853fbe6553c2cbbd25bd971403d6919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98adbf1315713a6558c4d87ff9eb1c7fd853fbe6553c2cbbd25bd971403d6919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98adbf1315713a6558c4d87ff9eb1c7fd853fbe6553c2cbbd25bd971403d6919", kill_on_drop: false }`
[INFO] [stdout] 98adbf1315713a6558c4d87ff9eb1c7fd853fbe6553c2cbbd25bd971403d6919
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] eeda8c6116b999cd2a99f397a8ff3d93e80b5a0aa976c538abf498645e23b9b6
[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" "eeda8c6116b999cd2a99f397a8ff3d93e80b5a0aa976c538abf498645e23b9b6", kill_on_drop: false }`
[INFO] [stderr]  Documenting rust_unique_bst_96 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.97s
[INFO] running `Command { std: "docker" "inspect" "eeda8c6116b999cd2a99f397a8ff3d93e80b5a0aa976c538abf498645e23b9b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeda8c6116b999cd2a99f397a8ff3d93e80b5a0aa976c538abf498645e23b9b6", kill_on_drop: false }`
[INFO] [stdout] eeda8c6116b999cd2a99f397a8ff3d93e80b5a0aa976c538abf498645e23b9b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b7346792a323d6e1711b43cddb0ace8ea154082c1c853d6262e194330a1bc244
[INFO] running `Command { std: "docker" "start" "-a" "b7346792a323d6e1711b43cddb0ace8ea154082c1c853d6262e194330a1bc244", kill_on_drop: false }`
[INFO] [stderr]  Documenting rust_unique_bst_96 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `Command { std: "docker" "inspect" "b7346792a323d6e1711b43cddb0ace8ea154082c1c853d6262e194330a1bc244", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7346792a323d6e1711b43cddb0ace8ea154082c1c853d6262e194330a1bc244", kill_on_drop: false }`
[INFO] [stdout] b7346792a323d6e1711b43cddb0ace8ea154082c1c853d6262e194330a1bc244