[INFO] fetching crate ord_by_key 0.1.3...
[INFO] testing ord_by_key-0.1.3 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate ord_by_key 0.1.3 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate ord_by_key 0.1.3 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ord_by_key 0.1.3
[INFO] finished tweaking crates.io crate ord_by_key 0.1.3
[INFO] tweaked toml for crates.io crate ord_by_key 0.1.3 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69e6f143e34c92b2232f909d0b36263f3ae3a366902e051fa1dfd76f28ff04c4
[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" "69e6f143e34c92b2232f909d0b36263f3ae3a366902e051fa1dfd76f28ff04c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69e6f143e34c92b2232f909d0b36263f3ae3a366902e051fa1dfd76f28ff04c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69e6f143e34c92b2232f909d0b36263f3ae3a366902e051fa1dfd76f28ff04c4", kill_on_drop: false }`
[INFO] [stdout] 69e6f143e34c92b2232f909d0b36263f3ae3a366902e051fa1dfd76f28ff04c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3681f87aa1ac5ed5d8351b3a1a3ddecf6f1247ca10a88d512771125ebe07749e
[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" "3681f87aa1ac5ed5d8351b3a1a3ddecf6f1247ca10a88d512771125ebe07749e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling ord_by_key v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: this attribute can only be applied to a `use` item
[INFO] [stdout]    --> src/lib.rs:46:7
[INFO] [stdout]     |
[INFO] [stdout] 46  | #[doc(inline)]
[INFO] [stdout]     |       ^^^^^^ only applicable on `use` items
[INFO] [stdout] ...
[INFO] [stdout] 241 | pub fn ord_eq_by_key_selector(attr: TokenStream, item: TokenStream) -> TokenStream {
[INFO] [stdout]     | ---------------------------------------------------------------------------------- not a `use` item
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:32:9
[INFO] [stdout]     |
[INFO] [stdout] 32  | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(invalid_doc_attributes)]` implied by `#[deny(warnings)]`
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #82730 <https://github.com/rust-lang/rust/issues/82730>
[INFO] [stdout]     = note: read https://doc.rust-lang.org/nightly/rustdoc/the-doc-attribute.html#inline-and-no_inline for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ord_by_key` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "3681f87aa1ac5ed5d8351b3a1a3ddecf6f1247ca10a88d512771125ebe07749e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3681f87aa1ac5ed5d8351b3a1a3ddecf6f1247ca10a88d512771125ebe07749e", kill_on_drop: false }`
[INFO] [stdout] 3681f87aa1ac5ed5d8351b3a1a3ddecf6f1247ca10a88d512771125ebe07749e