[INFO] crate serial-core 0.4.0 is already in cache
[INFO] extracting crate serial-core 0.4.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/serial-core/0.4.0
[INFO] extracting crate serial-core 0.4.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/serial-core/0.4.0
[INFO] validating manifest of serial-core-0.4.0 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 serial-core-0.4.0 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 serial-core-0.4.0
[INFO] finished frobbing serial-core-0.4.0
[INFO] frobbed toml for serial-core-0.4.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/serial-core/0.4.0/Cargo.toml
[INFO] started frobbing serial-core-0.4.0
[INFO] finished frobbing serial-core-0.4.0
[INFO] frobbed toml for serial-core-0.4.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/serial-core/0.4.0/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 serial-core-0.4.0 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/serial-core/0.4.0:/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] de57f00e03409566a5b2fa9411d86a9431f031ba3b1bef8af5c02de83c4ae91a
[INFO] running `"docker" "start" "-a" "de57f00e03409566a5b2fa9411d86a9431f031ba3b1bef8af5c02de83c4ae91a"`
[INFO] [stderr]    Compiling serial-core v0.4.0 (/opt/crater/workdir)
[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 0.53s
[INFO] running `"docker" "inspect" "de57f00e03409566a5b2fa9411d86a9431f031ba3b1bef8af5c02de83c4ae91a"`
[INFO] running `"docker" "rm" "-f" "de57f00e03409566a5b2fa9411d86a9431f031ba3b1bef8af5c02de83c4ae91a"`
[INFO] [stdout] de57f00e03409566a5b2fa9411d86a9431f031ba3b1bef8af5c02de83c4ae91a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/serial-core/0.4.0:/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] c27fbce4011d1a53eea2e0ddda8a4dafbca66a036b53f49fe718b4433b4ef089
[INFO] running `"docker" "start" "-a" "c27fbce4011d1a53eea2e0ddda8a4dafbca66a036b53f49fe718b4433b4ef089"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serial-core v0.4.0 (/opt/crater/workdir)
[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 0.58s
[INFO] running `"docker" "inspect" "c27fbce4011d1a53eea2e0ddda8a4dafbca66a036b53f49fe718b4433b4ef089"`
[INFO] running `"docker" "rm" "-f" "c27fbce4011d1a53eea2e0ddda8a4dafbca66a036b53f49fe718b4433b4ef089"`
[INFO] [stdout] c27fbce4011d1a53eea2e0ddda8a4dafbca66a036b53f49fe718b4433b4ef089
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/serial-core/0.4.0:/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] 3a8ee16abfe87d46f2c757faa7f37a243dd69dc746ab36afe84db47ed5ff5d51
[INFO] running `"docker" "start" "-a" "3a8ee16abfe87d46f2c757faa7f37a243dd69dc746ab36afe84db47ed5ff5d51"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/serial_core-eca6488dc17ac82e
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::port_settings_manipulates_char_size ... ok
[INFO] [stdout] test tests::port_settings_manipulates_stop_bits ... ok
[INFO] [stdout] test tests::port_settings_manipulates_baud_rate ... ok
[INFO] [stdout] test tests::port_settings_manipulates_parity ... ok
[INFO] [stderr]    Doc-tests serial-core
[INFO] [stdout] test tests::port_settings_manipulates_flow_control ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - SerialPort::reconfigure (line 479) ... ok
[INFO] [stdout] test src/lib.rs - prelude (line 16) ... ok
[INFO] [stdout] test src/lib.rs - BaudRate::BaudOther (line 148) ... ok
[INFO] [stdout] test src/lib.rs - BaudRate::speed (line 191) ... ok
[INFO] [stdout] test src/lib.rs - BaudRate::from_speed (line 164) ... 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" "3a8ee16abfe87d46f2c757faa7f37a243dd69dc746ab36afe84db47ed5ff5d51"`
[INFO] running `"docker" "rm" "-f" "3a8ee16abfe87d46f2c757faa7f37a243dd69dc746ab36afe84db47ed5ff5d51"`
[INFO] [stdout] 3a8ee16abfe87d46f2c757faa7f37a243dd69dc746ab36afe84db47ed5ff5d51