[INFO] fetching crate rr-mux 0.7.1...
[INFO] checking rr-mux-0.7.1 against try#38f08371587f97c145dedb2c055ac7b01bf1e788 for pr-65294
[INFO] extracting crate rr-mux 0.7.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rr-mux 0.7.1 on toolchain 38f08371587f97c145dedb2c055ac7b01bf1e788
[INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rr-mux 0.7.1
[INFO] finished tweaking crates.io crate rr-mux 0.7.1
[INFO] tweaked toml for crates.io crate rr-mux 0.7.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "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" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "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] 9f507818a323fb911a6cd9d34821cf18ceda17a53950634fabb9fcdddb594a4b
[INFO] running `"docker" "start" "-a" "9f507818a323fb911a6cd9d34821cf18ceda17a53950634fabb9fcdddb594a4b"`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]    Compiling derive_builder_core v0.5.0
[INFO] [stderr]    Compiling derive_builder v0.7.2
[INFO] [stderr]     Checking rr-mux v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/connector.rs:15:14
[INFO] [stderr]    |
[INFO] [stderr] 15 |     ) -> Box<Future<Item = (Resp, Ctx), Error = E> + Send + 'static>;
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (Resp, Ctx), Error = E> + Send + 'static`
[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/connector.rs:20:14
[INFO] [stderr]    |
[INFO] [stderr] 20 |     ) -> Box<Future<Item = (), Error = E> + Send + 'static>;
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = E> + Send + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mux.rs:121:14
[INFO] [stderr]     |
[INFO] [stderr] 121 |     ) -> Box<Future<Item = (Resp, Ctx), Error = E> + Send + 'static> {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (Resp, Ctx), Error = E> + Send + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mux.rs:150:14
[INFO] [stderr]     |
[INFO] [stderr] 150 |     ) -> Box<Future<Item = (), Error = E> + Send + 'static> {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = E> + Send + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mapped.rs:95:14
[INFO] [stderr]    |
[INFO] [stderr] 95 |     ) -> Box<Future<Item = (MappedResp, Ctx), Error = E> + Send + 'static> {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (MappedResp, Ctx), Error = E> + Send + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mapped.rs:108:14
[INFO] [stderr]     |
[INFO] [stderr] 108 |     ) -> Box<Future<Item = (), Error = E> + Send + 'static> {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = E> + Send + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mock.rs:162:14
[INFO] [stderr]     |
[INFO] [stderr] 162 |     ) -> Box<Future<Item = (Resp, Ctx), Error = E> + Send + 'static> {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (Resp, Ctx), Error = E> + Send + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mock.rs:187:14
[INFO] [stderr]     |
[INFO] [stderr] 187 |     ) -> Box<Future<Item = (), Error = E> + Send + 'static> {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = E> + Send + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/wire.rs:175:14
[INFO] [stderr]     |
[INFO] [stderr] 175 |     ) -> Box<Future<Item = (Resp, Ctx), Error = E> + Send + 'static> {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (Resp, Ctx), Error = E> + Send + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/wire.rs:188:14
[INFO] [stderr]     |
[INFO] [stderr] 188 |     ) -> Box<Future<Item = (), Error = E> + Send + 'static> {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = E> + Send + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/connector.rs:15:14
[INFO] [stderr]    |
[INFO] [stderr] 15 |     ) -> Box<Future<Item = (Resp, Ctx), Error = E> + Send + 'static>;
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (Resp, Ctx), Error = E> + Send + 'static`
[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/connector.rs:20:14
[INFO] [stderr]    |
[INFO] [stderr] 20 |     ) -> Box<Future<Item = (), Error = E> + Send + 'static>;
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = E> + Send + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mux.rs:121:14
[INFO] [stderr]     |
[INFO] [stderr] 121 |     ) -> Box<Future<Item = (Resp, Ctx), Error = E> + Send + 'static> {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (Resp, Ctx), Error = E> + Send + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mux.rs:150:14
[INFO] [stderr]     |
[INFO] [stderr] 150 |     ) -> Box<Future<Item = (), Error = E> + Send + 'static> {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = E> + Send + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mapped.rs:95:14
[INFO] [stderr]    |
[INFO] [stderr] 95 |     ) -> Box<Future<Item = (MappedResp, Ctx), Error = E> + Send + 'static> {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (MappedResp, Ctx), Error = E> + Send + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mapped.rs:108:14
[INFO] [stderr]     |
[INFO] [stderr] 108 |     ) -> Box<Future<Item = (), Error = E> + Send + 'static> {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = E> + Send + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mock.rs:162:14
[INFO] [stderr]     |
[INFO] [stderr] 162 |     ) -> Box<Future<Item = (Resp, Ctx), Error = E> + Send + 'static> {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (Resp, Ctx), Error = E> + Send + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/mock.rs:187:14
[INFO] [stderr]     |
[INFO] [stderr] 187 |     ) -> Box<Future<Item = (), Error = E> + Send + 'static> {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = E> + Send + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/wire.rs:175:14
[INFO] [stderr]     |
[INFO] [stderr] 175 |     ) -> Box<Future<Item = (Resp, Ctx), Error = E> + Send + 'static> {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (Resp, Ctx), Error = E> + Send + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/wire.rs:188:14
[INFO] [stderr]     |
[INFO] [stderr] 188 |     ) -> Box<Future<Item = (), Error = E> + Send + 'static> {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = (), Error = E> + Send + 'static`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.25s
[INFO] running `"docker" "inspect" "9f507818a323fb911a6cd9d34821cf18ceda17a53950634fabb9fcdddb594a4b"`
[INFO] running `"docker" "rm" "-f" "9f507818a323fb911a6cd9d34821cf18ceda17a53950634fabb9fcdddb594a4b"`
[INFO] [stdout] 9f507818a323fb911a6cd9d34821cf18ceda17a53950634fabb9fcdddb594a4b