[INFO] fetching crate stakker 0.2.4...
[INFO] documenting stakker-0.2.4 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate stakker 0.2.4 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate stakker 0.2.4 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 0.2.4
[INFO] finished tweaking crates.io crate stakker 0.2.4
[INFO] tweaked toml for crates.io crate stakker 0.2.4 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate stakker 0.2.4 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] a4360757de25f788b08c909a05a8e64193d9263eddef26afe330d91a5ad61b78
[INFO] running `Command { std: "docker" "start" "-a" "a4360757de25f788b08c909a05a8e64193d9263eddef26afe330d91a5ad61b78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4360757de25f788b08c909a05a8e64193d9263eddef26afe330d91a5ad61b78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4360757de25f788b08c909a05a8e64193d9263eddef26afe330d91a5ad61b78", kill_on_drop: false }`
[INFO] [stdout] a4360757de25f788b08c909a05a8e64193d9263eddef26afe330d91a5ad61b78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 7b2d438456b8e451ae7a21125006241db94c1224fa07d2930aa5d283dc3858d6
[INFO] running `Command { std: "docker" "start" "-a" "7b2d438456b8e451ae7a21125006241db94c1224fa07d2930aa5d283dc3858d6", kill_on_drop: false }`
[INFO] [stderr]     Checking anymap v0.12.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking qcell v0.4.1
[INFO] [stderr]  Documenting stakker v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `Command { std: "docker" "inspect" "7b2d438456b8e451ae7a21125006241db94c1224fa07d2930aa5d283dc3858d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b2d438456b8e451ae7a21125006241db94c1224fa07d2930aa5d283dc3858d6", kill_on_drop: false }`
[INFO] [stdout] 7b2d438456b8e451ae7a21125006241db94c1224fa07d2930aa5d283dc3858d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] babfa95179e065ebed6673141609917d39b96c7ce83ecaa51be3c1ac790d065b
[INFO] running `Command { std: "docker" "start" "-a" "babfa95179e065ebed6673141609917d39b96c7ce83ecaa51be3c1ac790d065b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking anymap v0.12.1
[INFO] [stderr]     Checking qcell v0.4.1
[INFO] [stderr]  Documenting stakker v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.06s
[INFO] running `Command { std: "docker" "inspect" "babfa95179e065ebed6673141609917d39b96c7ce83ecaa51be3c1ac790d065b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "babfa95179e065ebed6673141609917d39b96c7ce83ecaa51be3c1ac790d065b", kill_on_drop: false }`
[INFO] [stdout] babfa95179e065ebed6673141609917d39b96c7ce83ecaa51be3c1ac790d065b