[INFO] crate mwatch-send 0.2.0 is already in cache
[INFO] extracting crate mwatch-send 0.2.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/mwatch-send/0.2.0
[INFO] extracting crate mwatch-send 0.2.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mwatch-send/0.2.0
[INFO] validating manifest of mwatch-send-0.2.0 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 mwatch-send-0.2.0 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 mwatch-send-0.2.0
[INFO] finished frobbing mwatch-send-0.2.0
[INFO] frobbed toml for mwatch-send-0.2.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/mwatch-send/0.2.0/Cargo.toml
[INFO] started frobbing mwatch-send-0.2.0
[INFO] finished frobbing mwatch-send-0.2.0
[INFO] frobbed toml for mwatch-send-0.2.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mwatch-send/0.2.0/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 mwatch-send-0.2.0 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/mwatch-send/0.2.0:/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=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] de662baf12c355041bd68f9dd61524b85dfc21211e446c30c786bebfc629b095
[INFO] running `"docker" "start" "-a" "de662baf12c355041bd68f9dd61524b85dfc21211e446c30c786bebfc629b095"`
[INFO] [stderr]    Compiling simple-hex v0.1.0
[INFO] [stderr]    Compiling blurz v0.4.0
[INFO] [stderr]    Compiling mwatch-send v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:77:29
[INFO] [stderr]    |
[INFO] [stderr] 77 | fn main() -> Result<(), Box<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/main.rs:104:65
[INFO] [stderr]     |
[INFO] [stderr] 104 | fn spoof_msg(opt: &Opt, handle : &mut Handle) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:118:68
[INFO] [stderr]     |
[INFO] [stderr] 118 | fn send_syscall(opt: &Opt, handle : &mut Handle) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:131:66
[INFO] [stderr]     |
[INFO] [stderr] 131 | fn send_binary(opt: &Opt, handle: &mut Handle) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:169:75
[INFO] [stderr]     |
[INFO] [stderr] 169 | fn send(handle: &mut Handle, data: Vec<u8>, delay: u64) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:177:97
[INFO] [stderr]     |
[INFO] [stderr] 177 | fn find_device<'a>(opt: &Opt, name: &'a str, bt_session: &'a Session) -> Result<Handle<'a>, Box<Error>> {
[INFO] [stderr]     |                                                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.63s
[INFO] running `"docker" "inspect" "de662baf12c355041bd68f9dd61524b85dfc21211e446c30c786bebfc629b095"`
[INFO] running `"docker" "rm" "-f" "de662baf12c355041bd68f9dd61524b85dfc21211e446c30c786bebfc629b095"`
[INFO] [stdout] de662baf12c355041bd68f9dd61524b85dfc21211e446c30c786bebfc629b095
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/mwatch-send/0.2.0:/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=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] d74088417eebca29ec3e6530bd378cd414ddf50a0306a7d9169d2d4b9950df5a
[INFO] running `"docker" "start" "-a" "d74088417eebca29ec3e6530bd378cd414ddf50a0306a7d9169d2d4b9950df5a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] running `"docker" "inspect" "d74088417eebca29ec3e6530bd378cd414ddf50a0306a7d9169d2d4b9950df5a"`
[INFO] running `"docker" "rm" "-f" "d74088417eebca29ec3e6530bd378cd414ddf50a0306a7d9169d2d4b9950df5a"`
[INFO] [stdout] d74088417eebca29ec3e6530bd378cd414ddf50a0306a7d9169d2d4b9950df5a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/mwatch-send/0.2.0:/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=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] ce1d493e3f7ce393c97acaa485fca91aa55cd8a9ccd4fab8581dfe22a1fcecbd
[INFO] running `"docker" "start" "-a" "ce1d493e3f7ce393c97acaa485fca91aa55cd8a9ccd4fab8581dfe22a1fcecbd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] running `"docker" "inspect" "ce1d493e3f7ce393c97acaa485fca91aa55cd8a9ccd4fab8581dfe22a1fcecbd"`
[INFO] running `"docker" "rm" "-f" "ce1d493e3f7ce393c97acaa485fca91aa55cd8a9ccd4fab8581dfe22a1fcecbd"`
[INFO] [stdout] ce1d493e3f7ce393c97acaa485fca91aa55cd8a9ccd4fab8581dfe22a1fcecbd