[INFO] fetching crate rusty-tags 3.5.1...
[INFO] checking rusty-tags-3.5.1 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate rusty-tags 3.5.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rusty-tags 3.5.1 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rusty-tags 3.5.1
[INFO] finished tweaking crates.io crate rusty-tags 3.5.1
[INFO] tweaked toml for crates.io crate rusty-tags 3.5.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d0ba36a0610d27cd994c3c73b03f4cb4c1c91100e1d921686263b63b0b8f1857
[INFO] running `"docker" "start" "-a" "d0ba36a0610d27cd994c3c73b03f4cb4c1c91100e1d921686263b63b0b8f1857"`
[INFO] [stderr]     Checking rusty-tags v3.5.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/types.rs:417:1
[INFO] [stderr]     |
[INFO] [stderr] 417 |   /// which kind of tags are created
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 418 | / arg_enum! {
[INFO] [stderr] 419 | |     #[derive(Eq, PartialEq, Debug)]
[INFO] [stderr] 420 | |     pub enum TagsKind {
[INFO] [stderr] 421 | |         Vi,
[INFO] [stderr] 422 | |         Emacs
[INFO] [stderr] 423 | |     }
[INFO] [stderr] 424 | | }
[INFO] [stderr]     | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/types.rs:417:1
[INFO] [stderr]     |
[INFO] [stderr] 417 |   /// which kind of tags are created
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 418 | / arg_enum! {
[INFO] [stderr] 419 | |     #[derive(Eq, PartialEq, Debug)]
[INFO] [stderr] 420 | |     pub enum TagsKind {
[INFO] [stderr] 421 | |         Vi,
[INFO] [stderr] 422 | |         Emacs
[INFO] [stderr] 423 | |     }
[INFO] [stderr] 424 | | }
[INFO] [stderr]     | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:60:45
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn all_sources<'a>(&'a self) -> Box<Iterator<Item=&Source> + 'a> {
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=&Source> + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/types.rs:60:45
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn all_sources<'a>(&'a self) -> Box<Iterator<Item=&Source> + 'a> {
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=&Source> + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.67s
[INFO] running `"docker" "inspect" "d0ba36a0610d27cd994c3c73b03f4cb4c1c91100e1d921686263b63b0b8f1857"`
[INFO] running `"docker" "rm" "-f" "d0ba36a0610d27cd994c3c73b03f4cb4c1c91100e1d921686263b63b0b8f1857"`
[INFO] [stdout] d0ba36a0610d27cd994c3c73b03f4cb4c1c91100e1d921686263b63b0b8f1857