[INFO] fetching crate stakker_log 0.0.3...
[INFO] documenting stakker_log-0.0.3 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate stakker_log 0.0.3 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate stakker_log 0.0.3 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 crates.io crate stakker_log 0.0.3
[INFO] finished tweaking crates.io crate stakker_log 0.0.3
[INFO] tweaked toml for crates.io crate stakker_log 0.0.3 written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 687a6ff255d1cc463e70e18954c0652aa8fc755f6ea8824fcb778c2ce55623a7
[INFO] running `Command { std: "docker" "start" "-a" "687a6ff255d1cc463e70e18954c0652aa8fc755f6ea8824fcb778c2ce55623a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "687a6ff255d1cc463e70e18954c0652aa8fc755f6ea8824fcb778c2ce55623a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "687a6ff255d1cc463e70e18954c0652aa8fc755f6ea8824fcb778c2ce55623a7", kill_on_drop: false }`
[INFO] [stdout] 687a6ff255d1cc463e70e18954c0652aa8fc755f6ea8824fcb778c2ce55623a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 2c5aade53ab2939a24d97197e5fb5abc468db1d70e44a053019f0fd97971569e
[INFO] running `Command { std: "docker" "start" "-a" "2c5aade53ab2939a24d97197e5fb5abc468db1d70e44a053019f0fd97971569e", kill_on_drop: false }`
[INFO] [stderr]     Checking anymap v0.12.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking qcell v0.4.3
[INFO] [stderr]     Checking stakker v0.2.4
[INFO] [stderr]  Documenting stakker_log v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.86s
[INFO] running `Command { std: "docker" "inspect" "2c5aade53ab2939a24d97197e5fb5abc468db1d70e44a053019f0fd97971569e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c5aade53ab2939a24d97197e5fb5abc468db1d70e44a053019f0fd97971569e", kill_on_drop: false }`
[INFO] [stdout] 2c5aade53ab2939a24d97197e5fb5abc468db1d70e44a053019f0fd97971569e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=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] 0600e676f54657f7d859102ec8c1affcfdcc234ef2abce89e5a1dc1e0956358b
[INFO] running `Command { std: "docker" "start" "-a" "0600e676f54657f7d859102ec8c1affcfdcc234ef2abce89e5a1dc1e0956358b", kill_on_drop: false }`
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking anymap v0.12.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking qcell v0.4.3
[INFO] [stderr]     Checking stakker v0.2.4
[INFO] [stderr]  Documenting stakker_log v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `Command { std: "docker" "inspect" "0600e676f54657f7d859102ec8c1affcfdcc234ef2abce89e5a1dc1e0956358b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0600e676f54657f7d859102ec8c1affcfdcc234ef2abce89e5a1dc1e0956358b", kill_on_drop: false }`
[INFO] [stdout] 0600e676f54657f7d859102ec8c1affcfdcc234ef2abce89e5a1dc1e0956358b