[INFO] crate vcontrol 0.3.1 is already in cache
[INFO] extracting crate vcontrol 0.3.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/vcontrol/0.3.1
[INFO] extracting crate vcontrol 0.3.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/vcontrol/0.3.1
[INFO] validating manifest of vcontrol-0.3.1 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of vcontrol-0.3.1 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing vcontrol-0.3.1
[INFO] finished frobbing vcontrol-0.3.1
[INFO] frobbed toml for vcontrol-0.3.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/vcontrol/0.3.1/Cargo.toml
[INFO] started frobbing vcontrol-0.3.1
[INFO] finished frobbing vcontrol-0.3.1
[INFO] frobbed toml for vcontrol-0.3.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/vcontrol/0.3.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing vcontrol-0.3.1 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/vcontrol/0.3.1:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 0cd5e84c39247921ea26baf2472223eb148396557a45cbb1665c08501e7470b0
[INFO] running `"docker" "start" "-a" "0cd5e84c39247921ea26baf2472223eb148396557a45cbb1665c08501e7470b0"`
[INFO] [stderr]    Compiling serial-core v0.4.0
[INFO] [stderr]    Compiling yaml-merge-keys v0.3.0
[INFO] [stderr]    Compiling serial-unix v0.4.0
[INFO] [stderr]    Compiling vcontrol v0.3.1 (/opt/crater/workdir)
[INFO] [stderr]    Compiling serial v0.4.0
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/optolink.rs:60:38
[INFO] [stderr]    |
[INFO] [stderr] 60 |     tty.reconfigure(&|settings: &mut SerialPortSettings| -> Result<(), serial_core::Error> {
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SerialPortSettings`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.74s
[INFO] running `"docker" "inspect" "0cd5e84c39247921ea26baf2472223eb148396557a45cbb1665c08501e7470b0"`
[INFO] running `"docker" "rm" "-f" "0cd5e84c39247921ea26baf2472223eb148396557a45cbb1665c08501e7470b0"`
[INFO] [stdout] 0cd5e84c39247921ea26baf2472223eb148396557a45cbb1665c08501e7470b0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/vcontrol/0.3.1:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 47d0104ec62125c243f5ce5f9ded12d58c68ccc8acdd16d0ec6e9ef13b67b590
[INFO] running `"docker" "start" "-a" "47d0104ec62125c243f5ce5f9ded12d58c68ccc8acdd16d0ec6e9ef13b67b590"`
[INFO] [stderr]    Compiling vcontrol v0.3.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/optolink.rs:60:38
[INFO] [stderr]    |
[INFO] [stderr] 60 |     tty.reconfigure(&|settings: &mut SerialPortSettings| -> Result<(), serial_core::Error> {
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SerialPortSettings`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `"docker" "inspect" "47d0104ec62125c243f5ce5f9ded12d58c68ccc8acdd16d0ec6e9ef13b67b590"`
[INFO] running `"docker" "rm" "-f" "47d0104ec62125c243f5ce5f9ded12d58c68ccc8acdd16d0ec6e9ef13b67b590"`
[INFO] [stdout] 47d0104ec62125c243f5ce5f9ded12d58c68ccc8acdd16d0ec6e9ef13b67b590
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/vcontrol/0.3.1:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 4220aaa670f6d77a51cbdc00c267fa0658d574034ce80d510da4ffc996955dde
[INFO] running `"docker" "start" "-a" "4220aaa670f6d77a51cbdc00c267fa0658d574034ce80d510da4ffc996955dde"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/vcontrol-69a935d1f1ac3c02
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test types::systime::tests::from_str ... ok
[INFO] [stdout] test types::systime::tests::from_bytes ... ok
[INFO] [stdout] test types::systime::tests::to_bytes ... ok
[INFO] [stdout] test types::systime::tests::new ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests vcontrol
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/optolink.rs - optolink::Optolink::open (line 38) ... ok
[INFO] [stdout] test src/optolink.rs - optolink::Optolink::connect (line 74) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4220aaa670f6d77a51cbdc00c267fa0658d574034ce80d510da4ffc996955dde"`
[INFO] running `"docker" "rm" "-f" "4220aaa670f6d77a51cbdc00c267fa0658d574034ce80d510da4ffc996955dde"`
[INFO] [stdout] 4220aaa670f6d77a51cbdc00c267fa0658d574034ce80d510da4ffc996955dde