[INFO] crate i2cbus 0.1.1 is already in cache
[INFO] extracting crate i2cbus 0.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/i2cbus/0.1.1
[INFO] extracting crate i2cbus 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/i2cbus/0.1.1
[INFO] validating manifest of i2cbus-0.1.1 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 i2cbus-0.1.1 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 i2cbus-0.1.1
[INFO] finished frobbing i2cbus-0.1.1
[INFO] frobbed toml for i2cbus-0.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/i2cbus/0.1.1/Cargo.toml
[INFO] started frobbing i2cbus-0.1.1
[INFO] finished frobbing i2cbus-0.1.1
[INFO] frobbed toml for i2cbus-0.1.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/i2cbus/0.1.1/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing i2cbus-0.1.1 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/i2cbus/0.1.1:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 632c719b54ab407c2aae708a54d7b812a55c396ef711e8f6120c41ea7a412878
[INFO] running `"docker" "start" "-a" "632c719b54ab407c2aae708a54d7b812a55c396ef711e8f6120c41ea7a412878"`
[INFO] [stderr]    Compiling pnet v0.22.0
[INFO] [stderr]    Compiling ipnetwork v0.14.0
[INFO] [stderr]    Compiling pnet_sys v0.22.0
[INFO] [stderr]    Compiling signal-hook-registry v1.1.1
[INFO] [stderr]    Compiling base64 v0.5.2
[INFO] [stderr]    Compiling twoway v0.1.8
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling chrono v0.4.7
[INFO] [stderr]    Compiling uuid v0.1.18
[INFO] [stderr]    Compiling uuid v0.5.1
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling pnet_datalink v0.22.0
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling url v0.2.38
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling signal-hook v0.1.10
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling tokio-threadpool v0.1.15
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]    Compiling tiny_http v0.5.9
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling i2cdev2 v0.4.0
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling multipart v0.13.6
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling hyper v0.11.27
[INFO] [stderr]    Compiling tokio-tls v0.1.4
[INFO] [stderr]    Compiling hyper-tls v0.1.4
[INFO] [stderr]    Compiling swagger v1.0.3
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.22.0
[INFO] [stderr]    Compiling i2cbus-api v0.1.5
[INFO] [stderr]    Compiling pnet_packet v0.22.0
[INFO] [stderr]    Compiling pnet_transport v0.22.0
[INFO] [stderr]    Compiling httpd-util v0.1.3
[INFO] [stderr]    Compiling i2cbus v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/i2c.rs:125:32
[INFO] [stderr]     |
[INFO] [stderr] 125 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[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/server.rs:41:48
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn i2c_bus_api(&self, _context: &C) -> Box<Future<Item = I2cBusApiResponse, Error = ApiError>> {
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = I2cBusApiResponse, Error = ApiError>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/server.rs:48:14
[INFO] [stderr]    |
[INFO] [stderr] 48 |     ) -> Box<Future<Item = I2cBusListResponse, Error = ApiError>> {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = I2cBusListResponse, Error = ApiError>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/server.rs:57:14
[INFO] [stderr]    |
[INFO] [stderr] 57 |     ) -> Box<Future<Item = I2cBusReadByteResponse, Error = ApiError>> {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = I2cBusReadByteResponse, Error = ApiError>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/server.rs:67:14
[INFO] [stderr]    |
[INFO] [stderr] 67 |     ) -> Box<Future<Item = I2cBusReadBytesResponse, Error = ApiError>> {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = I2cBusReadBytesResponse, Error = ApiError>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/server.rs:80:14
[INFO] [stderr]    |
[INFO] [stderr] 80 |     ) -> Box<Future<Item = I2cBusReadRegResponse, Error = ApiError>> {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = I2cBusReadRegResponse, Error = ApiError>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/server.rs:92:14
[INFO] [stderr]    |
[INFO] [stderr] 92 |     ) -> Box<Future<Item = I2cBusWriteByteResponse, Error = ApiError>> {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = I2cBusWriteByteResponse, Error = ApiError>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/server.rs:104:14
[INFO] [stderr]     |
[INFO] [stderr] 104 |     ) -> Box<Future<Item = I2cBusWriteBytesResponse, Error = ApiError>> {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = I2cBusWriteBytesResponse, Error = ApiError>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/server.rs:117:14
[INFO] [stderr]     |
[INFO] [stderr] 117 |     ) -> Box<Future<Item = I2cBusWriteByteRegResponse, Error = ApiError>> {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = I2cBusWriteByteRegResponse, Error = ApiError>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/server.rs:130:14
[INFO] [stderr]     |
[INFO] [stderr] 130 |     ) -> Box<Future<Item = I2cBusWriteBytesRegResponse, Error = ApiError>> {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = I2cBusWriteBytesRegResponse, Error = ApiError>`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `"docker" "inspect" "632c719b54ab407c2aae708a54d7b812a55c396ef711e8f6120c41ea7a412878"`
[INFO] running `"docker" "rm" "-f" "632c719b54ab407c2aae708a54d7b812a55c396ef711e8f6120c41ea7a412878"`
[INFO] [stdout] 632c719b54ab407c2aae708a54d7b812a55c396ef711e8f6120c41ea7a412878
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/i2cbus/0.1.1:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] de164794d5f609d9a0ee14fde27f62592f0715068e7ab3ccf5401f442e70ffc2
[INFO] running `"docker" "start" "-a" "de164794d5f609d9a0ee14fde27f62592f0715068e7ab3ccf5401f442e70ffc2"`
[INFO] [stderr]    Compiling i2cbus v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/i2c.rs:125:32
[INFO] [stderr]     |
[INFO] [stderr] 125 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[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/server.rs:41:48
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn i2c_bus_api(&self, _context: &C) -> Box<Future<Item = I2cBusApiResponse, Error = ApiError>> {
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = I2cBusApiResponse, Error = ApiError>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/server.rs:48:14
[INFO] [stderr]    |
[INFO] [stderr] 48 |     ) -> Box<Future<Item = I2cBusListResponse, Error = ApiError>> {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = I2cBusListResponse, Error = ApiError>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/server.rs:57:14
[INFO] [stderr]    |
[INFO] [stderr] 57 |     ) -> Box<Future<Item = I2cBusReadByteResponse, Error = ApiError>> {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = I2cBusReadByteResponse, Error = ApiError>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/server.rs:67:14
[INFO] [stderr]    |
[INFO] [stderr] 67 |     ) -> Box<Future<Item = I2cBusReadBytesResponse, Error = ApiError>> {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = I2cBusReadBytesResponse, Error = ApiError>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/server.rs:80:14
[INFO] [stderr]    |
[INFO] [stderr] 80 |     ) -> Box<Future<Item = I2cBusReadRegResponse, Error = ApiError>> {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = I2cBusReadRegResponse, Error = ApiError>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/server.rs:92:14
[INFO] [stderr]    |
[INFO] [stderr] 92 |     ) -> Box<Future<Item = I2cBusWriteByteResponse, Error = ApiError>> {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = I2cBusWriteByteResponse, Error = ApiError>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/server.rs:104:14
[INFO] [stderr]     |
[INFO] [stderr] 104 |     ) -> Box<Future<Item = I2cBusWriteBytesResponse, Error = ApiError>> {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = I2cBusWriteBytesResponse, Error = ApiError>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/server.rs:117:14
[INFO] [stderr]     |
[INFO] [stderr] 117 |     ) -> Box<Future<Item = I2cBusWriteByteRegResponse, Error = ApiError>> {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = I2cBusWriteByteRegResponse, Error = ApiError>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/server.rs:130:14
[INFO] [stderr]     |
[INFO] [stderr] 130 |     ) -> Box<Future<Item = I2cBusWriteBytesRegResponse, Error = ApiError>> {
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = I2cBusWriteBytesRegResponse, Error = ApiError>`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.00s
[INFO] running `"docker" "inspect" "de164794d5f609d9a0ee14fde27f62592f0715068e7ab3ccf5401f442e70ffc2"`
[INFO] running `"docker" "rm" "-f" "de164794d5f609d9a0ee14fde27f62592f0715068e7ab3ccf5401f442e70ffc2"`
[INFO] [stdout] de164794d5f609d9a0ee14fde27f62592f0715068e7ab3ccf5401f442e70ffc2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/i2cbus/0.1.1:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 502b473103a0d23d234f427929c1d974a59ee0105b78ee75a3f0d97760eaeec8
[INFO] running `"docker" "start" "-a" "502b473103a0d23d234f427929c1d974a59ee0105b78ee75a3f0d97760eaeec8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/i2cbus-e1ebdd90b977997d
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/i2cbus-1126a4e76d40793a
[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] [stderr]    Doc-tests i2cbus
[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" "502b473103a0d23d234f427929c1d974a59ee0105b78ee75a3f0d97760eaeec8"`
[INFO] running `"docker" "rm" "-f" "502b473103a0d23d234f427929c1d974a59ee0105b78ee75a3f0d97760eaeec8"`
[INFO] [stdout] 502b473103a0d23d234f427929c1d974a59ee0105b78ee75a3f0d97760eaeec8