[INFO] fetching crate osmpbf-parser 1.3.1...
[INFO] documenting osmpbf-parser-1.3.1 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate osmpbf-parser 1.3.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate osmpbf-parser 1.3.1 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate osmpbf-parser 1.3.1
[INFO] finished tweaking crates.io crate osmpbf-parser 1.3.1
[INFO] tweaked toml for crates.io crate osmpbf-parser 1.3.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate osmpbf-parser 1.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unbounded-interval-tree v0.2.3
[INFO] [stderr]   Downloaded quick-protobuf v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6780f029f4fefd377bef3304dfa14a7f592f3b4ccca56129fcb62a37283999fc
[INFO] running `Command { std: "docker" "start" "-a" "6780f029f4fefd377bef3304dfa14a7f592f3b4ccca56129fcb62a37283999fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6780f029f4fefd377bef3304dfa14a7f592f3b4ccca56129fcb62a37283999fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6780f029f4fefd377bef3304dfa14a7f592f3b4ccca56129fcb62a37283999fc", kill_on_drop: false }`
[INFO] [stdout] 6780f029f4fefd377bef3304dfa14a7f592f3b4ccca56129fcb62a37283999fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac20b028718c623bf79058437938401f6089e3d77ef8779f51591c62713c2cf3
[INFO] running `Command { std: "docker" "start" "-a" "ac20b028718c623bf79058437938401f6089e3d77ef8779f51591c62713c2cf3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking desert v2.0.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/desert-2.0.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(extended_key_value_attributes,backtrace)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `extended_key_value_attributes` has been stable since 1.54.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/desert-2.0.0/src/lib.rs:1:42
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(extended_key_value_attributes,backtrace)]
[INFO] [stdout]   |                                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking quick-protobuf v0.8.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `desert` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ac20b028718c623bf79058437938401f6089e3d77ef8779f51591c62713c2cf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac20b028718c623bf79058437938401f6089e3d77ef8779f51591c62713c2cf3", kill_on_drop: false }`
[INFO] [stdout] ac20b028718c623bf79058437938401f6089e3d77ef8779f51591c62713c2cf3