[INFO] crate rxrust 0.7.2 is already in cache
[INFO] checking rxrust-0.7.2 against master#212aa3ea28d91a97d1e1261709c0b6e6790788e6 for pr-69340
[INFO] extracting crate rxrust 0.7.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate rxrust 0.7.2 on toolchain 212aa3ea28d91a97d1e1261709c0b6e6790788e6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rxrust 0.7.2
[INFO] finished tweaking crates.io crate rxrust 0.7.2
[INFO] tweaked toml for crates.io crate rxrust 0.7.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "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" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 43e9174a70212d929f5dd73705f88e8dee29a7e7bf3f455768f9495807278346
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "43e9174a70212d929f5dd73705f88e8dee29a7e7bf3f455768f9495807278346"`
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking futures-timer v0.3.0
[INFO] [stderr]     Checking rxrust v0.7.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: conflicting implementations of trait `subscription::SubscriptionLike` for type `std::boxed::Box<dyn subscription::Publisher<&mut _, _>>`:
[INFO] [stderr]    --> src/subscription.rs:230:1
[INFO] [stderr]     |
[INFO] [stderr] 227 |   impl<'a, Item, Err> SubscriptionLike for Box<dyn Publisher<Item, Err> + 'a> {
[INFO] [stderr]     |   --------------------------------------------------------------------------- first implementation here
[INFO] [stderr] ...
[INFO] [stderr] 230 | / impl<'a, Item, Err> SubscriptionLike
[INFO] [stderr] 231 | |   for Box<dyn for<'r> Publisher<&'r mut Item, Err> + 'a>
[INFO] [stderr] 232 | | {
[INFO] [stderr] 233 | |   subscription_direct_impl_proxy!();
[INFO] [stderr] 234 | | }
[INFO] [stderr]     | |_^ conflicting implementation for `std::boxed::Box<dyn subscription::Publisher<&mut _, _>>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(coherence_leak_check)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #56105 <https://github.com/rust-lang/rust/issues/56105>
[INFO] [stderr]     = note: this behavior recently changed as a result of a bug fix; see rust-lang/rust#56105 for details
[INFO] [stderr] 
[INFO] [stderr] warning: conflicting implementations of trait `subscription::SubscriptionLike` for type `std::boxed::Box<dyn for<'r> subscription::Publisher<&'r mut _, &mut _>>`:
[INFO] [stderr]    --> src/subscription.rs:235:1
[INFO] [stderr]     |
[INFO] [stderr] 230 | / impl<'a, Item, Err> SubscriptionLike
[INFO] [stderr] 231 | |   for Box<dyn for<'r> Publisher<&'r mut Item, Err> + 'a>
[INFO] [stderr] 232 | | {
[INFO] [stderr] 233 | |   subscription_direct_impl_proxy!();
[INFO] [stderr] 234 | | }
[INFO] [stderr]     | |_- first implementation here
[INFO] [stderr] 235 | / impl<'a, Item, Err> SubscriptionLike
[INFO] [stderr] 236 | |   for Box<dyn for<'r> Publisher<Item, &'r mut Err> + 'a>
[INFO] [stderr] 237 | | {
[INFO] [stderr] 238 | |   subscription_direct_impl_proxy!();
[INFO] [stderr] 239 | | }
[INFO] [stderr]     | |_^ conflicting implementation for `std::boxed::Box<dyn for<'r> subscription::Publisher<&'r mut _, &mut _>>`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #56105 <https://github.com/rust-lang/rust/issues/56105>
[INFO] [stderr]     = note: this behavior recently changed as a result of a bug fix; see rust-lang/rust#56105 for details
[INFO] [stderr] 
[INFO] [stderr] warning: conflicting implementations of trait `subscription::SubscriptionLike` for type `std::boxed::Box<dyn for<'r> subscription::Publisher<&mut _, &'r mut _>>`:
[INFO] [stderr]    --> src/subscription.rs:240:1
[INFO] [stderr]     |
[INFO] [stderr] 235 | / impl<'a, Item, Err> SubscriptionLike
[INFO] [stderr] 236 | |   for Box<dyn for<'r> Publisher<Item, &'r mut Err> + 'a>
[INFO] [stderr] 237 | | {
[INFO] [stderr] 238 | |   subscription_direct_impl_proxy!();
[INFO] [stderr] 239 | | }
[INFO] [stderr]     | |_- first implementation here
[INFO] [stderr] 240 | / impl<'a, Item, Err> SubscriptionLike
[INFO] [stderr] 241 | |   for Box<dyn for<'r> Publisher<&'r mut Item, &'r mut Err> + 'a>
[INFO] [stderr] 242 | | {
[INFO] [stderr] 243 | |   subscription_direct_impl_proxy!();
[INFO] [stderr] 244 | | }
[INFO] [stderr]     | |_^ conflicting implementation for `std::boxed::Box<dyn for<'r> subscription::Publisher<&mut _, &'r mut _>>`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #56105 <https://github.com/rust-lang/rust/issues/56105>
[INFO] [stderr]     = note: this behavior recently changed as a result of a bug fix; see rust-lang/rust#56105 for details
[INFO] [stderr] 
[INFO] [stderr] warning: conflicting implementations of trait `subscription::SubscriptionLike` for type `std::boxed::Box<dyn subscription::Publisher<&mut _, _>>`:
[INFO] [stderr]    --> src/subscription.rs:230:1
[INFO] [stderr]     |
[INFO] [stderr] 227 |   impl<'a, Item, Err> SubscriptionLike for Box<dyn Publisher<Item, Err> + 'a> {
[INFO] [stderr]     |   --------------------------------------------------------------------------- first implementation here
[INFO] [stderr] ...
[INFO] [stderr] 230 | / impl<'a, Item, Err> SubscriptionLike
[INFO] [stderr] 231 | |   for Box<dyn for<'r> Publisher<&'r mut Item, Err> + 'a>
[INFO] [stderr] 232 | | {
[INFO] [stderr] 233 | |   subscription_direct_impl_proxy!();
[INFO] [stderr] 234 | | }
[INFO] [stderr]     | |_^ conflicting implementation for `std::boxed::Box<dyn subscription::Publisher<&mut _, _>>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(coherence_leak_check)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #56105 <https://github.com/rust-lang/rust/issues/56105>
[INFO] [stderr]     = note: this behavior recently changed as a result of a bug fix; see rust-lang/rust#56105 for details
[INFO] [stderr] 
[INFO] [stderr] warning: conflicting implementations of trait `subscription::SubscriptionLike` for type `std::boxed::Box<dyn for<'r> subscription::Publisher<&'r mut _, &mut _>>`:
[INFO] [stderr]    --> src/subscription.rs:235:1
[INFO] [stderr]     |
[INFO] [stderr] 230 | / impl<'a, Item, Err> SubscriptionLike
[INFO] [stderr] 231 | |   for Box<dyn for<'r> Publisher<&'r mut Item, Err> + 'a>
[INFO] [stderr] 232 | | {
[INFO] [stderr] 233 | |   subscription_direct_impl_proxy!();
[INFO] [stderr] 234 | | }
[INFO] [stderr]     | |_- first implementation here
[INFO] [stderr] 235 | / impl<'a, Item, Err> SubscriptionLike
[INFO] [stderr] 236 | |   for Box<dyn for<'r> Publisher<Item, &'r mut Err> + 'a>
[INFO] [stderr] 237 | | {
[INFO] [stderr] 238 | |   subscription_direct_impl_proxy!();
[INFO] [stderr] 239 | | }
[INFO] [stderr]     | |_^ conflicting implementation for `std::boxed::Box<dyn for<'r> subscription::Publisher<&'r mut _, &mut _>>`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #56105 <https://github.com/rust-lang/rust/issues/56105>
[INFO] [stderr]     = note: this behavior recently changed as a result of a bug fix; see rust-lang/rust#56105 for details
[INFO] [stderr] 
[INFO] [stderr] warning: conflicting implementations of trait `subscription::SubscriptionLike` for type `std::boxed::Box<dyn for<'r> subscription::Publisher<&mut _, &'r mut _>>`:
[INFO] [stderr]    --> src/subscription.rs:240:1
[INFO] [stderr]     |
[INFO] [stderr] 235 | / impl<'a, Item, Err> SubscriptionLike
[INFO] [stderr] 236 | |   for Box<dyn for<'r> Publisher<Item, &'r mut Err> + 'a>
[INFO] [stderr] 237 | | {
[INFO] [stderr] 238 | |   subscription_direct_impl_proxy!();
[INFO] [stderr] 239 | | }
[INFO] [stderr]     | |_- first implementation here
[INFO] [stderr] 240 | / impl<'a, Item, Err> SubscriptionLike
[INFO] [stderr] 241 | |   for Box<dyn for<'r> Publisher<&'r mut Item, &'r mut Err> + 'a>
[INFO] [stderr] 242 | | {
[INFO] [stderr] 243 | |   subscription_direct_impl_proxy!();
[INFO] [stderr] 244 | | }
[INFO] [stderr]     | |_^ conflicting implementation for `std::boxed::Box<dyn for<'r> subscription::Publisher<&mut _, &'r mut _>>`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #56105 <https://github.com/rust-lang/rust/issues/56105>
[INFO] [stderr]     = note: this behavior recently changed as a result of a bug fix; see rust-lang/rust#56105 for details
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.99s
[INFO] running `"docker" "inspect" "43e9174a70212d929f5dd73705f88e8dee29a7e7bf3f455768f9495807278346"`
[INFO] running `"docker" "rm" "-f" "43e9174a70212d929f5dd73705f88e8dee29a7e7bf3f455768f9495807278346"`
[INFO] [stdout] 43e9174a70212d929f5dd73705f88e8dee29a7e7bf3f455768f9495807278346