[INFO] crate futures-signals 0.3.6 is already in cache
[INFO] extracting crate futures-signals 0.3.6 into work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/reg/futures-signals/0.3.6
[INFO] extracting crate futures-signals 0.3.6 into work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/reg/futures-signals/0.3.6
[INFO] validating manifest of futures-signals-0.3.6 on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of futures-signals-0.3.6 on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing futures-signals-0.3.6
[INFO] finished frobbing futures-signals-0.3.6
[INFO] frobbed toml for futures-signals-0.3.6 written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/reg/futures-signals/0.3.6/Cargo.toml
[INFO] started frobbing futures-signals-0.3.6
[INFO] finished frobbing futures-signals-0.3.6
[INFO] frobbed toml for futures-signals-0.3.6 written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/reg/futures-signals/0.3.6/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking futures-signals-0.3.6 against master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-3/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/reg/futures-signals/0.3.6:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a4215043d67da8cb52b3b6692b7ad2e668c92b3bfe55ae873d8ac2b94f0e61ef
[INFO] running `"docker" "start" "-a" "a4215043d67da8cb52b3b6692b7ad2e668c92b3bfe55ae873d8ac2b94f0e61ef"`
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking futures-signals v0.3.6 (/opt/crater/workdir)
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.17
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/util/mod.rs:16:24
[INFO] [stderr]    |
[INFO] [stderr] 16 |     callbacks: Vec<Box<FnMut(&mut Context, Poll<Option<A::Item>>)>>,
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Context, Poll<Option<A::Item>>)`
[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]   --> tests/signal.rs:99:16
[INFO] [stderr]    |
[INFO] [stderr] 99 |     let _: Box<Send + Sync> = Box::new(a.0);
[INFO] [stderr]    |                ^^^^^^^^^^^ help: use `dyn`: `dyn Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/signal.rs:100:16
[INFO] [stderr]     |
[INFO] [stderr] 100 |     let _: Box<Send + Sync> = Box::new(a.1);
[INFO] [stderr]     |                ^^^^^^^^^^^ help: use `dyn`: `dyn Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/signal.rs:102:16
[INFO] [stderr]     |
[INFO] [stderr] 102 |     let _: Box<Send + Sync> = Box::new(Mutable::new(1));
[INFO] [stderr]     |                ^^^^^^^^^^^ help: use `dyn`: `dyn Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/signal.rs:103:16
[INFO] [stderr]     |
[INFO] [stderr] 103 |     let _: Box<Send + Sync> = Box::new(Mutable::new(1).signal());
[INFO] [stderr]     |                ^^^^^^^^^^^ help: use `dyn`: `dyn Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/signal.rs:104:16
[INFO] [stderr]     |
[INFO] [stderr] 104 |     let _: Box<Send + Sync> = Box::new(Mutable::new(1).signal_cloned());
[INFO] [stderr]     |                ^^^^^^^^^^^ help: use `dyn`: `dyn Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/signal.rs:107:16
[INFO] [stderr]     |
[INFO] [stderr] 107 |     let _: Box<Send + Sync> = Box::new(a.0);
[INFO] [stderr]     |                ^^^^^^^^^^^ help: use `dyn`: `dyn Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/signal.rs:108:16
[INFO] [stderr]     |
[INFO] [stderr] 108 |     let _: Box<Send + Sync> = Box::new(a.1);
[INFO] [stderr]     |                ^^^^^^^^^^^ help: use `dyn`: `dyn Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/util/mod.rs:16:24
[INFO] [stderr]    |
[INFO] [stderr] 16 |     callbacks: Vec<Box<FnMut(&mut Context, Poll<Option<A::Item>>)>>,
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Context, Poll<Option<A::Item>>)`
[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]   --> tests/util/mod.rs:16:24
[INFO] [stderr]    |
[INFO] [stderr] 16 |     callbacks: Vec<Box<FnMut(&mut Context, Poll<Option<A::Item>>)>>,
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Context, Poll<Option<A::Item>>)`
[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]  --> tests/signal_vec.rs:9:16
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let _: Box<Send + Sync> = Box::new(MutableVec::<()>::new());
[INFO] [stderr]   |                ^^^^^^^^^^^ help: use `dyn`: `dyn Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/signal_vec.rs:10:16
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let _: Box<Send + Sync> = Box::new(MutableVec::<()>::new().signal_vec());
[INFO] [stderr]    |                ^^^^^^^^^^^ help: use `dyn`: `dyn Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/signal_vec.rs:11:16
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let _: Box<Send + Sync> = Box::new(MutableVec::<()>::new().signal_vec_cloned());
[INFO] [stderr]    |                ^^^^^^^^^^^ help: use `dyn`: `dyn Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/signal_vec.rs:13:16
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let _: Box<Send + Sync> = Box::new(MutableVec::<()>::new_with_values(vec![]));
[INFO] [stderr]    |                ^^^^^^^^^^^ help: use `dyn`: `dyn Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/signal_vec.rs:14:16
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let _: Box<Send + Sync> = Box::new(MutableVec::<()>::new_with_values(vec![]).signal_vec());
[INFO] [stderr]    |                ^^^^^^^^^^^ help: use `dyn`: `dyn Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/signal_vec.rs:15:16
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let _: Box<Send + Sync> = Box::new(MutableVec::<()>::new_with_values(vec![]).signal_vec_cloned());
[INFO] [stderr]    |                ^^^^^^^^^^^ help: use `dyn`: `dyn Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/util/mod.rs:16:24
[INFO] [stderr]    |
[INFO] [stderr] 16 |     callbacks: Vec<Box<FnMut(&mut Context, Poll<Option<A::Item>>)>>,
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Context, Poll<Option<A::Item>>)`
[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]    --> tests/map_macro.rs:18:28
[INFO] [stderr]     |
[INFO] [stderr] 18  |                 let _: Box<Send + Sync> = Box::new($name! {
[INFO] [stderr]     |                            ^^^^^^^^^^^ help: use `dyn`: `dyn Send + Sync`
[INFO] [stderr] ...
[INFO] [stderr] 392 | map_tests!(map_mut, (&mut), (ref mut));
[INFO] [stderr]     | --------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/map_macro.rs:22:28
[INFO] [stderr]     |
[INFO] [stderr] 22  |                 let _: Box<Send + Sync> = Box::new($name! {
[INFO] [stderr]     |                            ^^^^^^^^^^^ help: use `dyn`: `dyn Send + Sync`
[INFO] [stderr] ...
[INFO] [stderr] 392 | map_tests!(map_mut, (&mut), (ref mut));
[INFO] [stderr]     | --------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/map_macro.rs:27:28
[INFO] [stderr]     |
[INFO] [stderr] 27  |                 let _: Box<Send + Sync> = Box::new($name! {
[INFO] [stderr]     |                            ^^^^^^^^^^^ help: use `dyn`: `dyn Send + Sync`
[INFO] [stderr] ...
[INFO] [stderr] 392 | map_tests!(map_mut, (&mut), (ref mut));
[INFO] [stderr]     | --------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/map_macro.rs:33:28
[INFO] [stderr]     |
[INFO] [stderr] 33  |                 let _: Box<Send + Sync> = Box::new($name! {
[INFO] [stderr]     |                            ^^^^^^^^^^^ help: use `dyn`: `dyn Send + Sync`
[INFO] [stderr] ...
[INFO] [stderr] 392 | map_tests!(map_mut, (&mut), (ref mut));
[INFO] [stderr]     | --------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/map_macro.rs:40:28
[INFO] [stderr]     |
[INFO] [stderr] 40  |                 let _: Box<Send + Sync> = Box::new($name! {
[INFO] [stderr]     |                            ^^^^^^^^^^^ help: use `dyn`: `dyn Send + Sync`
[INFO] [stderr] ...
[INFO] [stderr] 392 | map_tests!(map_mut, (&mut), (ref mut));
[INFO] [stderr]     | --------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/map_macro.rs:18:28
[INFO] [stderr]     |
[INFO] [stderr] 18  |                 let _: Box<Send + Sync> = Box::new($name! {
[INFO] [stderr]     |                            ^^^^^^^^^^^ help: use `dyn`: `dyn Send + Sync`
[INFO] [stderr] ...
[INFO] [stderr] 393 | map_tests!(map_ref, (&), (ref));
[INFO] [stderr]     | -------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/map_macro.rs:22:28
[INFO] [stderr]     |
[INFO] [stderr] 22  |                 let _: Box<Send + Sync> = Box::new($name! {
[INFO] [stderr]     |                            ^^^^^^^^^^^ help: use `dyn`: `dyn Send + Sync`
[INFO] [stderr] ...
[INFO] [stderr] 393 | map_tests!(map_ref, (&), (ref));
[INFO] [stderr]     | -------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/map_macro.rs:27:28
[INFO] [stderr]     |
[INFO] [stderr] 27  |                 let _: Box<Send + Sync> = Box::new($name! {
[INFO] [stderr]     |                            ^^^^^^^^^^^ help: use `dyn`: `dyn Send + Sync`
[INFO] [stderr] ...
[INFO] [stderr] 393 | map_tests!(map_ref, (&), (ref));
[INFO] [stderr]     | -------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/map_macro.rs:33:28
[INFO] [stderr]     |
[INFO] [stderr] 33  |                 let _: Box<Send + Sync> = Box::new($name! {
[INFO] [stderr]     |                            ^^^^^^^^^^^ help: use `dyn`: `dyn Send + Sync`
[INFO] [stderr] ...
[INFO] [stderr] 393 | map_tests!(map_ref, (&), (ref));
[INFO] [stderr]     | -------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/map_macro.rs:40:28
[INFO] [stderr]     |
[INFO] [stderr] 40  |                 let _: Box<Send + Sync> = Box::new($name! {
[INFO] [stderr]     |                            ^^^^^^^^^^^ help: use `dyn`: `dyn Send + Sync`
[INFO] [stderr] ...
[INFO] [stderr] 393 | map_tests!(map_ref, (&), (ref));
[INFO] [stderr]     | -------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/util/mod.rs:16:24
[INFO] [stderr]    |
[INFO] [stderr] 16 |     callbacks: Vec<Box<FnMut(&mut Context, Poll<Option<A::Item>>)>>,
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Context, Poll<Option<A::Item>>)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.04s
[INFO] running `"docker" "inspect" "a4215043d67da8cb52b3b6692b7ad2e668c92b3bfe55ae873d8ac2b94f0e61ef"`
[INFO] running `"docker" "rm" "-f" "a4215043d67da8cb52b3b6692b7ad2e668c92b3bfe55ae873d8ac2b94f0e61ef"`
[INFO] [stdout] a4215043d67da8cb52b3b6692b7ad2e668c92b3bfe55ae873d8ac2b94f0e61ef