[INFO] fetching crate plum 0.1.5...
[INFO] checking plum-0.1.5 against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] extracting crate plum 0.1.5 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate plum 0.1.5 on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate plum 0.1.5
[INFO] finished tweaking crates.io crate plum 0.1.5
[INFO] tweaked toml for crates.io crate plum 0.1.5 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46fb5d83f84c2f9d8ed26f0f0eb122770b4a129d9cc55f801f91120cdd499356
[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" "46fb5d83f84c2f9d8ed26f0f0eb122770b4a129d9cc55f801f91120cdd499356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46fb5d83f84c2f9d8ed26f0f0eb122770b4a129d9cc55f801f91120cdd499356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46fb5d83f84c2f9d8ed26f0f0eb122770b4a129d9cc55f801f91120cdd499356", kill_on_drop: false }`
[INFO] [stdout] 46fb5d83f84c2f9d8ed26f0f0eb122770b4a129d9cc55f801f91120cdd499356
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5004e0e3a8561f5d23744e3c1c950a8dc146dcdc70b8c63a1c8688bec6610876
[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" "5004e0e3a8561f5d23744e3c1c950a8dc146dcdc70b8c63a1c8688bec6610876", kill_on_drop: false }`
[INFO] [stderr]     Checking plum v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this attribute can only be applied to a `use` item
[INFO] [stdout]   --> src/lib.rs:33:7
[INFO] [stdout]    |
[INFO] [stdout] 33 |   #[doc(inline)]
[INFO] [stdout]    |         ^^^^^^ only applicable on `use` items
[INFO] [stdout] 34 | / pub struct StandardBloomFilter<T: ?Sized> {
[INFO] [stdout] 35 | |     bitmap: BitVec,
[INFO] [stdout] 36 | |     /// Size of the bit array.
[INFO] [stdout] 37 | |     optimal_m: usize,
[INFO] [stdout] ...  |
[INFO] [stdout] 42 | |     _marker: PhantomData<T>,
[INFO] [stdout] 43 | | }
[INFO] [stdout]    | |_- not a `use` item
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(invalid_doc_attributes)]` on by default
[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#docno_inlinedocinline for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this attribute can only be applied to a `use` item
[INFO] [stdout]   --> src/lib.rs:33:7
[INFO] [stdout]    |
[INFO] [stdout] 33 |   #[doc(inline)]
[INFO] [stdout]    |         ^^^^^^ only applicable on `use` items
[INFO] [stdout] 34 | / pub struct StandardBloomFilter<T: ?Sized> {
[INFO] [stdout] 35 | |     bitmap: BitVec,
[INFO] [stdout] 36 | |     /// Size of the bit array.
[INFO] [stdout] 37 | |     optimal_m: usize,
[INFO] [stdout] ...  |
[INFO] [stdout] 42 | |     _marker: PhantomData<T>,
[INFO] [stdout] 43 | | }
[INFO] [stdout]    | |_- not a `use` item
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(invalid_doc_attributes)]` on by default
[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#docno_inlinedocinline for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "5004e0e3a8561f5d23744e3c1c950a8dc146dcdc70b8c63a1c8688bec6610876", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5004e0e3a8561f5d23744e3c1c950a8dc146dcdc70b8c63a1c8688bec6610876", kill_on_drop: false }`
[INFO] [stdout] 5004e0e3a8561f5d23744e3c1c950a8dc146dcdc70b8c63a1c8688bec6610876