[INFO] updating cached repository mwylde/rumble
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mwylde/rumble
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mwylde/rumble" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/mwylde/rumble"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/mwylde/rumble'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mwylde/rumble" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/mwylde/rumble"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/mwylde/rumble'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fe951504f7271067109cb675639a5d911683b5fb
[INFO] sha for GitHub repo mwylde/rumble: fe951504f7271067109cb675639a5d911683b5fb
[INFO] validating manifest of mwylde/rumble on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mwylde/rumble on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mwylde/rumble
[INFO] finished frobbing mwylde/rumble
[INFO] frobbed toml for mwylde/rumble written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/mwylde/rumble/Cargo.toml
[INFO] started frobbing mwylde/rumble
[INFO] finished frobbing mwylde/rumble
[INFO] frobbed toml for mwylde/rumble written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/mwylde/rumble/Cargo.toml
[INFO] crate mwylde/rumble already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking mwylde/rumble against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-0/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/mwylde/rumble:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] faa01f70b23e28268f1fa285afe97c119c3d8e3aea014d29d5730374c931406e
[INFO] running `"docker" "start" "-a" "faa01f70b23e28268f1fa285afe97c119c3d8e3aea014d29d5730374c931406e"`
[INFO] [stderr]    Compiling failure_derive v0.1.4
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]     Checking nom v4.1.1
[INFO] [stderr]     Checking failure v0.1.4
[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 10.57s
[INFO] running `"docker" "inspect" "faa01f70b23e28268f1fa285afe97c119c3d8e3aea014d29d5730374c931406e"`
[INFO] running `"docker" "rm" "-f" "faa01f70b23e28268f1fa285afe97c119c3d8e3aea014d29d5730374c931406e"`
[INFO] [stdout] faa01f70b23e28268f1fa285afe97c119c3d8e3aea014d29d5730374c931406e