[INFO] crate draco 0.1.2 is already in cache
[INFO] extracting crate draco 0.1.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/draco/0.1.2
[INFO] extracting crate draco 0.1.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/draco/0.1.2
[INFO] validating manifest of draco-0.1.2 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of draco-0.1.2 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing draco-0.1.2
[INFO] finished frobbing draco-0.1.2
[INFO] frobbed toml for draco-0.1.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/draco/0.1.2/Cargo.toml
[INFO] started frobbing draco-0.1.2
[INFO] finished frobbing draco-0.1.2
[INFO] frobbed toml for draco-0.1.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/draco/0.1.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing draco-0.1.2 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/draco/0.1.2:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 85b458cd5f4d357f771c0cc28544b733d7cba1d4ffc72d34ba0c708b129d19ae
[INFO] running `"docker" "start" "-a" "85b458cd5f4d357f771c0cc28544b733d7cba1d4ffc72d34ba0c708b129d19ae"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.50
[INFO] [stderr]    Compiling syn v1.0.3
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling bumpalo v2.6.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.50
[INFO] [stderr]    Compiling sourcefile v0.1.4
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling weedle v0.10.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.50
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.50
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.50
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.50
[INFO] [stderr]    Compiling js-sys v0.3.27
[INFO] [stderr]    Compiling web-sys v0.3.27
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.3.27
[INFO] [stderr]    Compiling draco v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/element.rs:72:25
[INFO] [stderr]    |
[INFO] [stderr] 72 |     handler: Option<Box<FnMut(web::Event) -> Message>>,
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(web::Event) -> Message`
[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/element.rs:73:29
[INFO] [stderr]    |
[INFO] [stderr] 73 |     closure: Option<Closure<FnMut(web::Event)>>,
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(web::Event)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/element.rs:89:28
[INFO] [stderr]    |
[INFO] [stderr] 89 |                     as Box<FnMut(web::Event) -> NewMessage>),
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(web::Event) -> NewMessage`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/element.rs:533:24
[INFO] [stderr]     |
[INFO] [stderr] 533 |                 as Box<FnMut(web::Event) + 'static>,
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(web::Event) + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fetch.rs:40:14
[INFO] [stderr]    |
[INFO] [stderr] 40 |     ) -> Box<Future<Item = Self::Item, Error = Error>>;
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Item, Error = Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fetch.rs:51:14
[INFO] [stderr]    |
[INFO] [stderr] 51 |     ) -> Box<Future<Item = Self::Item, Error = Error>> {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Item, Error = Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mailbox.rs:10:14
[INFO] [stderr]    |
[INFO] [stderr] 10 |     func: Rc<Fn(Message)>,
[INFO] [stderr]    |              ^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Message)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mailbox.rs:28:19
[INFO] [stderr]    |
[INFO] [stderr] 28 |         }) as Box<FnMut()>);
[INFO] [stderr]    |                   ^^^^^^^ help: use `dyn`: `dyn FnMut()`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/router.rs:57:19
[INFO] [stderr]    |
[INFO] [stderr] 57 |         }) as Box<FnMut()>);
[INFO] [stderr]    |                   ^^^^^^^ help: use `dyn`: `dyn FnMut()`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/subscription.rs:7:29
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub type Send<Message> = Rc<Fn(Message)>;
[INFO] [stderr]   |                             ^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Message)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/subscription.rs:15:35
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub struct Unsubscribe(Option<Box<FnMut()>>);
[INFO] [stderr]    |                                   ^^^^^^^ help: use `dyn`: `dyn FnMut()`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/subscription.rs:55:19
[INFO] [stderr]    |
[INFO] [stderr] 55 |         }) as Box<FnMut(web::Event)>);
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(web::Event)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/subscription.rs:85:19
[INFO] [stderr]    |
[INFO] [stderr] 85 |         }) as Box<FnMut()>);
[INFO] [stderr]    |                   ^^^^^^^ help: use `dyn`: `dyn FnMut()`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `"docker" "inspect" "85b458cd5f4d357f771c0cc28544b733d7cba1d4ffc72d34ba0c708b129d19ae"`
[INFO] running `"docker" "rm" "-f" "85b458cd5f4d357f771c0cc28544b733d7cba1d4ffc72d34ba0c708b129d19ae"`
[INFO] [stdout] 85b458cd5f4d357f771c0cc28544b733d7cba1d4ffc72d34ba0c708b129d19ae
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/draco/0.1.2:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] a5bc378083a2be0f2e73de40fae4714c96e6b617e362e783606a6b4f4337adb5
[INFO] running `"docker" "start" "-a" "a5bc378083a2be0f2e73de40fae4714c96e6b617e362e783606a6b4f4337adb5"`
[INFO] [stderr]    Compiling draco v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/element.rs:72:25
[INFO] [stderr]    |
[INFO] [stderr] 72 |     handler: Option<Box<FnMut(web::Event) -> Message>>,
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(web::Event) -> Message`
[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/element.rs:73:29
[INFO] [stderr]    |
[INFO] [stderr] 73 |     closure: Option<Closure<FnMut(web::Event)>>,
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(web::Event)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/element.rs:89:28
[INFO] [stderr]    |
[INFO] [stderr] 89 |                     as Box<FnMut(web::Event) -> NewMessage>),
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(web::Event) -> NewMessage`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/element.rs:533:24
[INFO] [stderr]     |
[INFO] [stderr] 533 |                 as Box<FnMut(web::Event) + 'static>,
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(web::Event) + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fetch.rs:40:14
[INFO] [stderr]    |
[INFO] [stderr] 40 |     ) -> Box<Future<Item = Self::Item, Error = Error>>;
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Item, Error = Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fetch.rs:51:14
[INFO] [stderr]    |
[INFO] [stderr] 51 |     ) -> Box<Future<Item = Self::Item, Error = Error>> {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = Self::Item, Error = Error>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mailbox.rs:10:14
[INFO] [stderr]    |
[INFO] [stderr] 10 |     func: Rc<Fn(Message)>,
[INFO] [stderr]    |              ^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Message)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mailbox.rs:28:19
[INFO] [stderr]    |
[INFO] [stderr] 28 |         }) as Box<FnMut()>);
[INFO] [stderr]    |                   ^^^^^^^ help: use `dyn`: `dyn FnMut()`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/router.rs:57:19
[INFO] [stderr]    |
[INFO] [stderr] 57 |         }) as Box<FnMut()>);
[INFO] [stderr]    |                   ^^^^^^^ help: use `dyn`: `dyn FnMut()`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/subscription.rs:7:29
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub type Send<Message> = Rc<Fn(Message)>;
[INFO] [stderr]   |                             ^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Message)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/subscription.rs:15:35
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub struct Unsubscribe(Option<Box<FnMut()>>);
[INFO] [stderr]    |                                   ^^^^^^^ help: use `dyn`: `dyn FnMut()`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/subscription.rs:55:19
[INFO] [stderr]    |
[INFO] [stderr] 55 |         }) as Box<FnMut(web::Event)>);
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(web::Event)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/subscription.rs:85:19
[INFO] [stderr]    |
[INFO] [stderr] 85 |         }) as Box<FnMut()>);
[INFO] [stderr]    |                   ^^^^^^^ help: use `dyn`: `dyn FnMut()`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.76s
[INFO] running `"docker" "inspect" "a5bc378083a2be0f2e73de40fae4714c96e6b617e362e783606a6b4f4337adb5"`
[INFO] running `"docker" "rm" "-f" "a5bc378083a2be0f2e73de40fae4714c96e6b617e362e783606a6b4f4337adb5"`
[INFO] [stdout] a5bc378083a2be0f2e73de40fae4714c96e6b617e362e783606a6b4f4337adb5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/draco/0.1.2:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 01a6b43e12b9ea48ea73026f875d1a470946096a09b4e8416edecff5e35b8734
[INFO] running `"docker" "start" "-a" "01a6b43e12b9ea48ea73026f875d1a470946096a09b4e8416edecff5e35b8734"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/draco-2faa2ee9aa2ff7d8
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests draco
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "01a6b43e12b9ea48ea73026f875d1a470946096a09b4e8416edecff5e35b8734"`
[INFO] running `"docker" "rm" "-f" "01a6b43e12b9ea48ea73026f875d1a470946096a09b4e8416edecff5e35b8734"`
[INFO] [stdout] 01a6b43e12b9ea48ea73026f875d1a470946096a09b4e8416edecff5e35b8734