[INFO] fetching crate envmnt 0.10.0...
[INFO] documenting envmnt-0.10.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate envmnt 0.10.0 into /workspace/builds/worker-51/source
[INFO] validating manifest of crates.io crate envmnt 0.10.0 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 envmnt 0.10.0
[INFO] finished tweaking crates.io crate envmnt 0.10.0
[INFO] tweaked toml for crates.io crate envmnt 0.10.0 written to /workspace/builds/worker-51/source/Cargo.toml
[INFO] crate crates.io crate envmnt 0.10.0 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-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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] 2d59992cdcaab5750feb65af8c1309850048b4afbdac304836b2420b431ebf09
[INFO] running `Command { std: "docker" "start" "-a" "2d59992cdcaab5750feb65af8c1309850048b4afbdac304836b2420b431ebf09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d59992cdcaab5750feb65af8c1309850048b4afbdac304836b2420b431ebf09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d59992cdcaab5750feb65af8c1309850048b4afbdac304836b2420b431ebf09", kill_on_drop: false }`
[INFO] [stdout] 2d59992cdcaab5750feb65af8c1309850048b4afbdac304836b2420b431ebf09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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] 625b101ab32bc11a3904ca920349803ebc4640c0cf4e8d20ff7eec18fecc80ce
[INFO] running `Command { std: "docker" "start" "-a" "625b101ab32bc11a3904ca920349803ebc4640c0cf4e8d20ff7eec18fecc80ce", kill_on_drop: false }`
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking fsio v0.3.0
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]  Documenting envmnt v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.61s
[INFO] [stdout] warning: lint `mutable_borrow_reservation_conflict` has been removed: now allowed, see issue #59159 <https://github.com/rust-lang/rust/issues/59159> for more information
[INFO] [stdout]   --> src/lib.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     mutable_borrow_reservation_conflict,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `unsupported_naked_functions` has been removed: converted into hard error, see RFC 2972 <https://github.com/rust-lang/rfcs/blob/master/text/2972-constrained-naked.md> for more information
[INFO] [stdout]    --> src/lib.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 |     unsupported_naked_functions,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "625b101ab32bc11a3904ca920349803ebc4640c0cf4e8d20ff7eec18fecc80ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "625b101ab32bc11a3904ca920349803ebc4640c0cf4e8d20ff7eec18fecc80ce", kill_on_drop: false }`
[INFO] [stdout] 625b101ab32bc11a3904ca920349803ebc4640c0cf4e8d20ff7eec18fecc80ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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] 90ea828dcfa4e06010865d3dc586a4ff164262748e1c51caf21683d0d24c29a7
[INFO] running `Command { std: "docker" "start" "-a" "90ea828dcfa4e06010865d3dc586a4ff164262748e1c51caf21683d0d24c29a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking fsio v0.3.0
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]  Documenting envmnt v0.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `mutable_borrow_reservation_conflict` has been removed: now allowed, see issue #59159 <https://github.com/rust-lang/rust/issues/59159> for more information
[INFO] [stdout]   --> src/lib.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     mutable_borrow_reservation_conflict,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.02s
[INFO] [stdout] warning: lint `unsupported_naked_functions` has been removed: converted into hard error, see RFC 2972 <https://github.com/rust-lang/rfcs/blob/master/text/2972-constrained-naked.md> for more information
[INFO] [stdout]    --> src/lib.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 |     unsupported_naked_functions,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "90ea828dcfa4e06010865d3dc586a4ff164262748e1c51caf21683d0d24c29a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90ea828dcfa4e06010865d3dc586a4ff164262748e1c51caf21683d0d24c29a7", kill_on_drop: false }`
[INFO] [stdout] 90ea828dcfa4e06010865d3dc586a4ff164262748e1c51caf21683d0d24c29a7