[INFO] crate tokio-serial 3.2.14 is already in cache
[INFO] extracting crate tokio-serial 3.2.14 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/tokio-serial/3.2.14
[INFO] extracting crate tokio-serial 3.2.14 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/tokio-serial/3.2.14
[INFO] validating manifest of tokio-serial-3.2.14 on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tokio-serial-3.2.14 on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tokio-serial-3.2.14
[INFO] finished frobbing tokio-serial-3.2.14
[INFO] frobbed toml for tokio-serial-3.2.14 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/tokio-serial/3.2.14/Cargo.toml
[INFO] started frobbing tokio-serial-3.2.14
[INFO] finished frobbing tokio-serial-3.2.14
[INFO] frobbed toml for tokio-serial-3.2.14 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/tokio-serial/3.2.14/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tokio-serial-3.2.14 against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-6/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/tokio-serial/3.2.14:/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=forbid" "-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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 00c950d3ff3b3b82c2e80818c4c457b2a2c899908622007aa2a9b8dcb0bf82a8
[INFO] running `"docker" "start" "-a" "00c950d3ff3b3b82c2e80818c4c457b2a2c899908622007aa2a9b8dcb0bf82a8"`
[INFO] [stderr]    Compiling nix v0.12.1
[INFO] [stderr]     Checking serialport v3.2.0
[INFO] [stderr]     Checking mio-serial v3.2.14
[INFO] [stderr]     Checking tokio-serial v3.2.14 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:230:41
[INFO] [stderr]     |
[INFO] [stderr] 230 |     fn try_clone(&self) -> ::Result<Box<::SerialPort>> {
[INFO] [stderr]     |                                         ^^^^^^^^^^^^ help: use `dyn`: `dyn (::SerialPort)`
[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:230:41
[INFO] [stderr]     |
[INFO] [stderr] 230 |     fn try_clone(&self) -> ::Result<Box<::SerialPort>> {
[INFO] [stderr]     |                                         ^^^^^^^^^^^^ help: use `dyn`: `dyn (::SerialPort)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.53s
[INFO] running `"docker" "inspect" "00c950d3ff3b3b82c2e80818c4c457b2a2c899908622007aa2a9b8dcb0bf82a8"`
[INFO] running `"docker" "rm" "-f" "00c950d3ff3b3b82c2e80818c4c457b2a2c899908622007aa2a9b8dcb0bf82a8"`
[INFO] [stdout] 00c950d3ff3b3b82c2e80818c4c457b2a2c899908622007aa2a9b8dcb0bf82a8