[INFO] crate rumble 0.3.0 is already in cache
[INFO] extracting crate rumble 0.3.0 into work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/rumble/0.3.0
[INFO] extracting crate rumble 0.3.0 into work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/rumble/0.3.0
[INFO] validating manifest of rumble-0.3.0 on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rumble-0.3.0 on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rumble-0.3.0
[INFO] finished frobbing rumble-0.3.0
[INFO] frobbed toml for rumble-0.3.0 written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/rumble/0.3.0/Cargo.toml
[INFO] started frobbing rumble-0.3.0
[INFO] finished frobbing rumble-0.3.0
[INFO] frobbed toml for rumble-0.3.0 written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/rumble/0.3.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking rumble-0.3.0 against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-7/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/rumble/0.3.0:/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2f2d1ffdd7f1366f34f61407444db26e8c36237a50ef367ae16aa7bb883edebf
[INFO] running `"docker" "start" "-a" "2f2d1ffdd7f1366f34f61407444db26e8c36237a50ef367ae16aa7bb883edebf"`
[INFO] [stderr]    Compiling nix v0.12.1
[INFO] [stderr]     Checking nom v4.2.3
[INFO] [stderr]     Checking rumble v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/api/mod.rs:53:19
[INFO] [stderr]    |
[INFO] [stderr] 53 |         (self as &Display).fmt(f)
[INFO] [stderr]    |                   ^^^^^^^ help: use `dyn`: `dyn Display`
[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/api/mod.rs:66:28
[INFO] [stderr]    |
[INFO] [stderr] 66 | pub type Callback<T> = Box<Fn(Result<T>) + Send>;
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Result<T>) + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/api/mod.rs:70:36
[INFO] [stderr]    |
[INFO] [stderr] 70 | pub type NotificationHandler = Box<Fn(ValueNotification) + Send>;
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(ValueNotification) + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/api/mod.rs:105:19
[INFO] [stderr]     |
[INFO] [stderr] 105 |         (self as &Display).fmt(f)
[INFO] [stderr]     |                   ^^^^^^^ help: use `dyn`: `dyn Display`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/api/mod.rs:273:29
[INFO] [stderr]     |
[INFO] [stderr] 273 | pub type EventHandler = Box<Fn(CentralEvent) + Send>;
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(CentralEvent) + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/api/mod.rs:53:19
[INFO] [stderr]    |
[INFO] [stderr] 53 |         (self as &Display).fmt(f)
[INFO] [stderr]    |                   ^^^^^^^ help: use `dyn`: `dyn Display`
[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/api/mod.rs:66:28
[INFO] [stderr]    |
[INFO] [stderr] 66 | pub type Callback<T> = Box<Fn(Result<T>) + Send>;
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Result<T>) + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/api/mod.rs:70:36
[INFO] [stderr]    |
[INFO] [stderr] 70 | pub type NotificationHandler = Box<Fn(ValueNotification) + Send>;
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(ValueNotification) + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/api/mod.rs:105:19
[INFO] [stderr]     |
[INFO] [stderr] 105 |         (self as &Display).fmt(f)
[INFO] [stderr]     |                   ^^^^^^^ help: use `dyn`: `dyn Display`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/api/mod.rs:273:29
[INFO] [stderr]     |
[INFO] [stderr] 273 | pub type EventHandler = Box<Fn(CentralEvent) + Send>;
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(CentralEvent) + Send`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.25s
[INFO] running `"docker" "inspect" "2f2d1ffdd7f1366f34f61407444db26e8c36237a50ef367ae16aa7bb883edebf"`
[INFO] running `"docker" "rm" "-f" "2f2d1ffdd7f1366f34f61407444db26e8c36237a50ef367ae16aa7bb883edebf"`
[INFO] [stdout] 2f2d1ffdd7f1366f34f61407444db26e8c36237a50ef367ae16aa7bb883edebf