[INFO] crate serial-core 0.4.0 is already in cache
[INFO] testing serial-core-0.4.0 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate serial-core 0.4.0 into work/builds/worker-0/source
[INFO] validating manifest of crates.io crate serial-core 0.4.0 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate serial-core 0.4.0
[INFO] finished tweaking crates.io crate serial-core 0.4.0
[INFO] tweaked toml for crates.io crate serial-core 0.4.0 written to work/builds/worker-0/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 03fa87d206b9b3056b28754b9939d17c93c72a3b3750bdd8f7d87cb876296280
[INFO] running `"docker" "start" "-a" "03fa87d206b9b3056b28754b9939d17c93c72a3b3750bdd8f7d87cb876296280"`
[INFO] [stderr]    Compiling serial-core v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:588:35
[INFO] [stderr]     |
[INFO] [stderr] 588 |         let mut device_settings = try!(T::read_settings(self));
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:590:9
[INFO] [stderr]     |
[INFO] [stderr] 590 |         try!(device_settings.set_baud_rate(settings.baud_rate));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:600:35
[INFO] [stderr]     |
[INFO] [stderr] 600 |         let mut device_settings = try!(T::read_settings(self));
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:601:9
[INFO] [stderr]     |
[INFO] [stderr] 601 |         try!(setup(&mut device_settings));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:495:39
[INFO] [stderr]     |
[INFO] [stderr] 495 |     fn reconfigure(&mut self, setup: &Fn(&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()>;
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut SerialPortSettings) -> ::Result<()>`
[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/lib.rs:495:47
[INFO] [stderr]     |
[INFO] [stderr] 495 |     fn reconfigure(&mut self, setup: &Fn(&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()>;
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SerialPortSettings`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:599:39
[INFO] [stderr]     |
[INFO] [stderr] 599 |     fn reconfigure(&mut self, setup: &Fn(&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()> {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut SerialPortSettings) -> ::Result<()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:599:47
[INFO] [stderr]     |
[INFO] [stderr] 599 |     fn reconfigure(&mut self, setup: &Fn(&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()> {
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SerialPortSettings`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `"docker" "inspect" "03fa87d206b9b3056b28754b9939d17c93c72a3b3750bdd8f7d87cb876296280"`
[INFO] running `"docker" "rm" "-f" "03fa87d206b9b3056b28754b9939d17c93c72a3b3750bdd8f7d87cb876296280"`
[INFO] [stdout] 03fa87d206b9b3056b28754b9939d17c93c72a3b3750bdd8f7d87cb876296280
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 59d1e207d91af5af39e3048853d97d35ff6b06f2f10c3e1891d45d604d9e7f60
[INFO] running `"docker" "start" "-a" "59d1e207d91af5af39e3048853d97d35ff6b06f2f10c3e1891d45d604d9e7f60"`
[INFO] [stderr]    Compiling serial-core v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:588:35
[INFO] [stderr]     |
[INFO] [stderr] 588 |         let mut device_settings = try!(T::read_settings(self));
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:590:9
[INFO] [stderr]     |
[INFO] [stderr] 590 |         try!(device_settings.set_baud_rate(settings.baud_rate));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:600:35
[INFO] [stderr]     |
[INFO] [stderr] 600 |         let mut device_settings = try!(T::read_settings(self));
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:601:9
[INFO] [stderr]     |
[INFO] [stderr] 601 |         try!(setup(&mut device_settings));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:495:39
[INFO] [stderr]     |
[INFO] [stderr] 495 |     fn reconfigure(&mut self, setup: &Fn(&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()>;
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut SerialPortSettings) -> ::Result<()>`
[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/lib.rs:495:47
[INFO] [stderr]     |
[INFO] [stderr] 495 |     fn reconfigure(&mut self, setup: &Fn(&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()>;
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SerialPortSettings`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:599:39
[INFO] [stderr]     |
[INFO] [stderr] 599 |     fn reconfigure(&mut self, setup: &Fn(&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()> {
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut SerialPortSettings) -> ::Result<()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:599:47
[INFO] [stderr]     |
[INFO] [stderr] 599 |     fn reconfigure(&mut self, setup: &Fn(&mut SerialPortSettings) -> ::Result<()>) -> ::Result<()> {
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SerialPortSettings`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `"docker" "inspect" "59d1e207d91af5af39e3048853d97d35ff6b06f2f10c3e1891d45d604d9e7f60"`
[INFO] running `"docker" "rm" "-f" "59d1e207d91af5af39e3048853d97d35ff6b06f2f10c3e1891d45d604d9e7f60"`
[INFO] [stdout] 59d1e207d91af5af39e3048853d97d35ff6b06f2f10c3e1891d45d604d9e7f60
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] f39d4258debdcd389d9bfec87eb7ee933b18c203aa168000d625a1fca86d45f9
[INFO] running `"docker" "start" "-a" "f39d4258debdcd389d9bfec87eb7ee933b18c203aa168000d625a1fca86d45f9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serial_core-d7fad665630e3f51
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::port_settings_manipulates_char_size ... ok
[INFO] [stdout] test tests::port_settings_manipulates_baud_rate ... ok
[INFO] [stdout] test tests::port_settings_manipulates_flow_control ... ok
[INFO] [stdout] test tests::port_settings_manipulates_parity ... ok
[INFO] [stdout] test tests::port_settings_manipulates_stop_bits ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serial-core
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - prelude (line 16) ... ok
[INFO] [stdout] test src/lib.rs - SerialPort::reconfigure (line 479) ... ok
[INFO] [stdout] test src/lib.rs - BaudRate::BaudOther (line 148) ... ok
[INFO] [stdout] test src/lib.rs - BaudRate::from_speed (line 164) ... ok
[INFO] [stdout] test src/lib.rs - BaudRate::speed (line 191) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "f39d4258debdcd389d9bfec87eb7ee933b18c203aa168000d625a1fca86d45f9"`
[INFO] running `"docker" "rm" "-f" "f39d4258debdcd389d9bfec87eb7ee933b18c203aa168000d625a1fca86d45f9"`
[INFO] [stdout] f39d4258debdcd389d9bfec87eb7ee933b18c203aa168000d625a1fca86d45f9