[INFO] crate search-provider 0.1.0 is already in cache
[INFO] testing search-provider-0.1.0 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate search-provider 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate search-provider 0.1.0 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate search-provider 0.1.0
[INFO] finished tweaking crates.io crate search-provider 0.1.0
[INFO] tweaked toml for crates.io crate search-provider 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a0bd1da20c61f716700b0cd2bd39827a0ec759e4e434453e6503e194853f5d6a
[INFO] running `"docker" "start" "-a" "a0bd1da20c61f716700b0cd2bd39827a0ec759e4e434453e6503e194853f5d6a"`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling glib-sys v0.8.0
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]    Compiling gobject-sys v0.8.0
[INFO] [stderr]    Compiling dbus v0.6.5
[INFO] [stderr]    Compiling glib v0.7.1
[INFO] [stderr]    Compiling search-provider v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/search_provider.rs:19:48
[INFO] [stderr]    |
[INFO] [stderr] 19 |     activate_result_cb: RefCell<Vec<Rc<RefCell<FnMut(&str, Vec<&str>, u32)>>>>,
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&str, Vec<&str>, u32)`
[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/search_provider.rs:20:46
[INFO] [stderr]    |
[INFO] [stderr] 20 |     launch_search_cb: RefCell<Vec<Rc<RefCell<FnMut(Vec<&str>, u32)>>>>,
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Vec<&str>, u32)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/search_provider.rs:23:58
[INFO] [stderr]    |
[INFO] [stderr] 23 |     get_initial_result_set_cb: RefCell<Option<Rc<RefCell<FnMut(Vec<&str>) -> Vec<String> + 'static>>>>,
[INFO] [stderr]    |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Vec<&str>) -> Vec<String> + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/search_provider.rs:24:60
[INFO] [stderr]    |
[INFO] [stderr] 24 |     get_subsearch_result_set_cb: RefCell<Option<Rc<RefCell<FnMut(Vec<&str>, Vec<&str>) -> Vec<String> + 'static>>>>,
[INFO] [stderr]    |                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Vec<&str>, Vec<&str>) -> Vec<String> + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/search_provider.rs:25:52
[INFO] [stderr]    |
[INFO] [stderr] 25 |     get_result_metas_cb: RefCell<Option<Rc<RefCell<FnMut(Vec<&str>) -> Vec<ResultMetadata> + 'static>>>>,
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Vec<&str>) -> Vec<ResultMetadata> + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/search_provider.rs:130:103
[INFO] [stderr]     |
[INFO] [stderr] 130 |     fn get_result_metas(&self, identifiers: Vec<&str>) -> Result<Vec<HashMap<String, arg::Variant<Box<arg::RefArg + 'static>>>>, Self::Err> {
[INFO] [stderr]     |                                                                                                       ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn arg::RefArg + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/result_metadata.rs:6:51
[INFO] [stderr]   |
[INFO] [stderr] 6 |     pub hashmap: HashMap<String, arg::Variant<Box<arg::RefArg + 'static>>>,
[INFO] [stderr]   |                                                   ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn arg::RefArg + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/result_metadata.rs:11:59
[INFO] [stderr]    |
[INFO] [stderr] 11 |         let mut hashmap: HashMap<String, arg::Variant<Box<arg::RefArg + 'static>>> = HashMap::new();
[INFO] [stderr]    |                                                           ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn arg::RefArg + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/generated/search_provider2.rs:9:123
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn get_result_metas(&self, identifiers: Vec<&str>) -> Result<Vec<::std::collections::HashMap<String, arg::Variant<Box<arg::RefArg + 'static>>>>, Self::Err>;
[INFO] [stderr]   |                                                                                                                           ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn arg::RefArg + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/generated/search_provider2.rs:40:123
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn get_result_metas(&self, identifiers: Vec<&str>) -> Result<Vec<::std::collections::HashMap<String, arg::Variant<Box<arg::RefArg + 'static>>>>, Self::Err> {
[INFO] [stderr]    |                                                                                                                           ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn arg::RefArg + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/generated/search_provider2.rs:47:77
[INFO] [stderr]    |
[INFO] [stderr] 47 |         let metas: Vec<::std::collections::HashMap<String, arg::Variant<Box<arg::RefArg + 'static>>>> = i.read()?;
[INFO] [stderr]    |                                                                             ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn arg::RefArg + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.95s
[INFO] running `"docker" "inspect" "a0bd1da20c61f716700b0cd2bd39827a0ec759e4e434453e6503e194853f5d6a"`
[INFO] running `"docker" "rm" "-f" "a0bd1da20c61f716700b0cd2bd39827a0ec759e4e434453e6503e194853f5d6a"`
[INFO] [stdout] a0bd1da20c61f716700b0cd2bd39827a0ec759e4e434453e6503e194853f5d6a
[INFO] running `"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" "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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cd0ef579d67addfa14d929da6dc4c7d38c53f2be2d73752a272473c7279668a6
[INFO] running `"docker" "start" "-a" "cd0ef579d67addfa14d929da6dc4c7d38c53f2be2d73752a272473c7279668a6"`
[INFO] [stderr]    Compiling search-provider v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/search_provider.rs:19:48
[INFO] [stderr]    |
[INFO] [stderr] 19 |     activate_result_cb: RefCell<Vec<Rc<RefCell<FnMut(&str, Vec<&str>, u32)>>>>,
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&str, Vec<&str>, u32)`
[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/search_provider.rs:20:46
[INFO] [stderr]    |
[INFO] [stderr] 20 |     launch_search_cb: RefCell<Vec<Rc<RefCell<FnMut(Vec<&str>, u32)>>>>,
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Vec<&str>, u32)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/search_provider.rs:23:58
[INFO] [stderr]    |
[INFO] [stderr] 23 |     get_initial_result_set_cb: RefCell<Option<Rc<RefCell<FnMut(Vec<&str>) -> Vec<String> + 'static>>>>,
[INFO] [stderr]    |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Vec<&str>) -> Vec<String> + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/search_provider.rs:24:60
[INFO] [stderr]    |
[INFO] [stderr] 24 |     get_subsearch_result_set_cb: RefCell<Option<Rc<RefCell<FnMut(Vec<&str>, Vec<&str>) -> Vec<String> + 'static>>>>,
[INFO] [stderr]    |                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Vec<&str>, Vec<&str>) -> Vec<String> + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/search_provider.rs:25:52
[INFO] [stderr]    |
[INFO] [stderr] 25 |     get_result_metas_cb: RefCell<Option<Rc<RefCell<FnMut(Vec<&str>) -> Vec<ResultMetadata> + 'static>>>>,
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Vec<&str>) -> Vec<ResultMetadata> + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/search_provider.rs:130:103
[INFO] [stderr]     |
[INFO] [stderr] 130 |     fn get_result_metas(&self, identifiers: Vec<&str>) -> Result<Vec<HashMap<String, arg::Variant<Box<arg::RefArg + 'static>>>>, Self::Err> {
[INFO] [stderr]     |                                                                                                       ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn arg::RefArg + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/result_metadata.rs:6:51
[INFO] [stderr]   |
[INFO] [stderr] 6 |     pub hashmap: HashMap<String, arg::Variant<Box<arg::RefArg + 'static>>>,
[INFO] [stderr]   |                                                   ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn arg::RefArg + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/result_metadata.rs:11:59
[INFO] [stderr]    |
[INFO] [stderr] 11 |         let mut hashmap: HashMap<String, arg::Variant<Box<arg::RefArg + 'static>>> = HashMap::new();
[INFO] [stderr]    |                                                           ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn arg::RefArg + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/generated/search_provider2.rs:9:123
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn get_result_metas(&self, identifiers: Vec<&str>) -> Result<Vec<::std::collections::HashMap<String, arg::Variant<Box<arg::RefArg + 'static>>>>, Self::Err>;
[INFO] [stderr]   |                                                                                                                           ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn arg::RefArg + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/generated/search_provider2.rs:40:123
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn get_result_metas(&self, identifiers: Vec<&str>) -> Result<Vec<::std::collections::HashMap<String, arg::Variant<Box<arg::RefArg + 'static>>>>, Self::Err> {
[INFO] [stderr]    |                                                                                                                           ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn arg::RefArg + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/generated/search_provider2.rs:47:77
[INFO] [stderr]    |
[INFO] [stderr] 47 |         let metas: Vec<::std::collections::HashMap<String, arg::Variant<Box<arg::RefArg + 'static>>>> = i.read()?;
[INFO] [stderr]    |                                                                             ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn arg::RefArg + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/search_provider.rs:19:48
[INFO] [stderr]    |
[INFO] [stderr] 19 |     activate_result_cb: RefCell<Vec<Rc<RefCell<FnMut(&str, Vec<&str>, u32)>>>>,
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&str, Vec<&str>, u32)`
[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/search_provider.rs:20:46
[INFO] [stderr]    |
[INFO] [stderr] 20 |     launch_search_cb: RefCell<Vec<Rc<RefCell<FnMut(Vec<&str>, u32)>>>>,
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Vec<&str>, u32)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/search_provider.rs:23:58
[INFO] [stderr]    |
[INFO] [stderr] 23 |     get_initial_result_set_cb: RefCell<Option<Rc<RefCell<FnMut(Vec<&str>) -> Vec<String> + 'static>>>>,
[INFO] [stderr]    |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Vec<&str>) -> Vec<String> + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/search_provider.rs:24:60
[INFO] [stderr]    |
[INFO] [stderr] 24 |     get_subsearch_result_set_cb: RefCell<Option<Rc<RefCell<FnMut(Vec<&str>, Vec<&str>) -> Vec<String> + 'static>>>>,
[INFO] [stderr]    |                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Vec<&str>, Vec<&str>) -> Vec<String> + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/search_provider.rs:25:52
[INFO] [stderr]    |
[INFO] [stderr] 25 |     get_result_metas_cb: RefCell<Option<Rc<RefCell<FnMut(Vec<&str>) -> Vec<ResultMetadata> + 'static>>>>,
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Vec<&str>) -> Vec<ResultMetadata> + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/search_provider.rs:130:103
[INFO] [stderr]     |
[INFO] [stderr] 130 |     fn get_result_metas(&self, identifiers: Vec<&str>) -> Result<Vec<HashMap<String, arg::Variant<Box<arg::RefArg + 'static>>>>, Self::Err> {
[INFO] [stderr]     |                                                                                                       ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn arg::RefArg + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/result_metadata.rs:6:51
[INFO] [stderr]   |
[INFO] [stderr] 6 |     pub hashmap: HashMap<String, arg::Variant<Box<arg::RefArg + 'static>>>,
[INFO] [stderr]   |                                                   ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn arg::RefArg + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/result_metadata.rs:11:59
[INFO] [stderr]    |
[INFO] [stderr] 11 |         let mut hashmap: HashMap<String, arg::Variant<Box<arg::RefArg + 'static>>> = HashMap::new();
[INFO] [stderr]    |                                                           ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn arg::RefArg + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/generated/search_provider2.rs:9:123
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn get_result_metas(&self, identifiers: Vec<&str>) -> Result<Vec<::std::collections::HashMap<String, arg::Variant<Box<arg::RefArg + 'static>>>>, Self::Err>;
[INFO] [stderr]   |                                                                                                                           ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn arg::RefArg + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/generated/search_provider2.rs:40:123
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn get_result_metas(&self, identifiers: Vec<&str>) -> Result<Vec<::std::collections::HashMap<String, arg::Variant<Box<arg::RefArg + 'static>>>>, Self::Err> {
[INFO] [stderr]    |                                                                                                                           ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn arg::RefArg + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/generated/search_provider2.rs:47:77
[INFO] [stderr]    |
[INFO] [stderr] 47 |         let metas: Vec<::std::collections::HashMap<String, arg::Variant<Box<arg::RefArg + 'static>>>> = i.read()?;
[INFO] [stderr]    |                                                                             ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn arg::RefArg + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `"docker" "inspect" "cd0ef579d67addfa14d929da6dc4c7d38c53f2be2d73752a272473c7279668a6"`
[INFO] running `"docker" "rm" "-f" "cd0ef579d67addfa14d929da6dc4c7d38c53f2be2d73752a272473c7279668a6"`
[INFO] [stdout] cd0ef579d67addfa14d929da6dc4c7d38c53f2be2d73752a272473c7279668a6
[INFO] running `"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" "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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3f820ed9b025fcc3443a1d120dc58c98e6ae5a9fc93ef1df4c165ea79628d5ba
[INFO] running `"docker" "start" "-a" "3f820ed9b025fcc3443a1d120dc58c98e6ae5a9fc93ef1df4c165ea79628d5ba"`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/search_provider.rs:19:48
[INFO] [stderr]    |
[INFO] [stderr] 19 |     activate_result_cb: RefCell<Vec<Rc<RefCell<FnMut(&str, Vec<&str>, u32)>>>>,
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&str, Vec<&str>, u32)`
[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/search_provider.rs:20:46
[INFO] [stderr]    |
[INFO] [stderr] 20 |     launch_search_cb: RefCell<Vec<Rc<RefCell<FnMut(Vec<&str>, u32)>>>>,
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Vec<&str>, u32)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/search_provider.rs:23:58
[INFO] [stderr]    |
[INFO] [stderr] 23 |     get_initial_result_set_cb: RefCell<Option<Rc<RefCell<FnMut(Vec<&str>) -> Vec<String> + 'static>>>>,
[INFO] [stderr]    |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Vec<&str>) -> Vec<String> + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/search_provider.rs:24:60
[INFO] [stderr]    |
[INFO] [stderr] 24 |     get_subsearch_result_set_cb: RefCell<Option<Rc<RefCell<FnMut(Vec<&str>, Vec<&str>) -> Vec<String> + 'static>>>>,
[INFO] [stderr]    |                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Vec<&str>, Vec<&str>) -> Vec<String> + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/search_provider.rs:25:52
[INFO] [stderr]    |
[INFO] [stderr] 25 |     get_result_metas_cb: RefCell<Option<Rc<RefCell<FnMut(Vec<&str>) -> Vec<ResultMetadata> + 'static>>>>,
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Vec<&str>) -> Vec<ResultMetadata> + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/search_provider.rs:130:103
[INFO] [stderr]     |
[INFO] [stderr] 130 |     fn get_result_metas(&self, identifiers: Vec<&str>) -> Result<Vec<HashMap<String, arg::Variant<Box<arg::RefArg + 'static>>>>, Self::Err> {
[INFO] [stderr]     |                                                                                                       ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn arg::RefArg + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/result_metadata.rs:6:51
[INFO] [stderr]   |
[INFO] [stderr] 6 |     pub hashmap: HashMap<String, arg::Variant<Box<arg::RefArg + 'static>>>,
[INFO] [stderr]   |                                                   ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn arg::RefArg + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/result_metadata.rs:11:59
[INFO] [stderr]    |
[INFO] [stderr] 11 |         let mut hashmap: HashMap<String, arg::Variant<Box<arg::RefArg + 'static>>> = HashMap::new();
[INFO] [stderr]    |                                                           ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn arg::RefArg + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/generated/search_provider2.rs:9:123
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn get_result_metas(&self, identifiers: Vec<&str>) -> Result<Vec<::std::collections::HashMap<String, arg::Variant<Box<arg::RefArg + 'static>>>>, Self::Err>;
[INFO] [stderr]   |                                                                                                                           ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn arg::RefArg + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/generated/search_provider2.rs:40:123
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn get_result_metas(&self, identifiers: Vec<&str>) -> Result<Vec<::std::collections::HashMap<String, arg::Variant<Box<arg::RefArg + 'static>>>>, Self::Err> {
[INFO] [stderr]    |                                                                                                                           ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn arg::RefArg + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/generated/search_provider2.rs:47:77
[INFO] [stderr]    |
[INFO] [stderr] 47 |         let metas: Vec<::std::collections::HashMap<String, arg::Variant<Box<arg::RefArg + 'static>>>> = i.read()?;
[INFO] [stderr]    |                                                                             ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn arg::RefArg + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/search_provider.rs:19:48
[INFO] [stderr]    |
[INFO] [stderr] 19 |     activate_result_cb: RefCell<Vec<Rc<RefCell<FnMut(&str, Vec<&str>, u32)>>>>,
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&str, Vec<&str>, u32)`
[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/search_provider.rs:20:46
[INFO] [stderr]    |
[INFO] [stderr] 20 |     launch_search_cb: RefCell<Vec<Rc<RefCell<FnMut(Vec<&str>, u32)>>>>,
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Vec<&str>, u32)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/search_provider.rs:23:58
[INFO] [stderr]    |
[INFO] [stderr] 23 |     get_initial_result_set_cb: RefCell<Option<Rc<RefCell<FnMut(Vec<&str>) -> Vec<String> + 'static>>>>,
[INFO] [stderr]    |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Vec<&str>) -> Vec<String> + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/search_provider.rs:24:60
[INFO] [stderr]    |
[INFO] [stderr] 24 |     get_subsearch_result_set_cb: RefCell<Option<Rc<RefCell<FnMut(Vec<&str>, Vec<&str>) -> Vec<String> + 'static>>>>,
[INFO] [stderr]    |                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Vec<&str>, Vec<&str>) -> Vec<String> + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/search_provider.rs:25:52
[INFO] [stderr]    |
[INFO] [stderr] 25 |     get_result_metas_cb: RefCell<Option<Rc<RefCell<FnMut(Vec<&str>) -> Vec<ResultMetadata> + 'static>>>>,
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Vec<&str>) -> Vec<ResultMetadata> + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/search_provider.rs:130:103
[INFO] [stderr]     |
[INFO] [stderr] 130 |     fn get_result_metas(&self, identifiers: Vec<&str>) -> Result<Vec<HashMap<String, arg::Variant<Box<arg::RefArg + 'static>>>>, Self::Err> {
[INFO] [stderr]     |                                                                                                       ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn arg::RefArg + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/result_metadata.rs:6:51
[INFO] [stderr]   |
[INFO] [stderr] 6 |     pub hashmap: HashMap<String, arg::Variant<Box<arg::RefArg + 'static>>>,
[INFO] [stderr]   |                                                   ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn arg::RefArg + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/result_metadata.rs:11:59
[INFO] [stderr]    |
[INFO] [stderr] 11 |         let mut hashmap: HashMap<String, arg::Variant<Box<arg::RefArg + 'static>>> = HashMap::new();
[INFO] [stderr]    |                                                           ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn arg::RefArg + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/generated/search_provider2.rs:9:123
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn get_result_metas(&self, identifiers: Vec<&str>) -> Result<Vec<::std::collections::HashMap<String, arg::Variant<Box<arg::RefArg + 'static>>>>, Self::Err>;
[INFO] [stderr]   |                                                                                                                           ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn arg::RefArg + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/generated/search_provider2.rs:40:123
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn get_result_metas(&self, identifiers: Vec<&str>) -> Result<Vec<::std::collections::HashMap<String, arg::Variant<Box<arg::RefArg + 'static>>>>, Self::Err> {
[INFO] [stderr]    |                                                                                                                           ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn arg::RefArg + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/generated/search_provider2.rs:47:77
[INFO] [stderr]    |
[INFO] [stderr] 47 |         let metas: Vec<::std::collections::HashMap<String, arg::Variant<Box<arg::RefArg + 'static>>>> = i.read()?;
[INFO] [stderr]    |                                                                             ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn arg::RefArg + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/search_provider-245fe37f7e21b3cf
[INFO] [stderr]    Doc-tests search-provider
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error[E0659]: `search_provider` is ambiguous (name vs any other name during import resolution)
[INFO] [stderr]  --> /opt/rustwide/workdir/src/lib.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub use search_provider::SearchProvider;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^ ambiguous name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `search_provider` could refer to a crate passed with `--extern`
[INFO] [stderr]   = help: use `::search_provider` to refer to this crate unambiguously
[INFO] [stderr] note: `search_provider` could also refer to the module defined here
[INFO] [stderr]  --> /opt/rustwide/workdir/src/lib.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | mod search_provider;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   = help: use `crate::search_provider` to refer to this module unambiguously
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0659`.
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "3f820ed9b025fcc3443a1d120dc58c98e6ae5a9fc93ef1df4c165ea79628d5ba"`
[INFO] running `"docker" "rm" "-f" "3f820ed9b025fcc3443a1d120dc58c98e6ae5a9fc93ef1df4c165ea79628d5ba"`
[INFO] [stdout] 3f820ed9b025fcc3443a1d120dc58c98e6ae5a9fc93ef1df4c165ea79628d5ba