[INFO] crate hokaido 0.0.10 is already in cache
[INFO] extracting crate hokaido 0.0.10 into work/ex/beta-1.38-1/sources/1.37.0/reg/hokaido/0.0.10
[INFO] extracting crate hokaido 0.0.10 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/hokaido/0.0.10
[INFO] validating manifest of hokaido-0.0.10 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 hokaido-0.0.10 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 hokaido-0.0.10
[INFO] finished frobbing hokaido-0.0.10
[INFO] frobbed toml for hokaido-0.0.10 written to work/ex/beta-1.38-1/sources/1.37.0/reg/hokaido/0.0.10/Cargo.toml
[INFO] started frobbing hokaido-0.0.10
[INFO] finished frobbing hokaido-0.0.10
[INFO] frobbed toml for hokaido-0.0.10 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/hokaido/0.0.10/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 hokaido-0.0.10 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/hokaido/0.0.10:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] aa3f854000eaee3865e88feee2c174d6e41d21e073caf8ec2bfb70f9160fc14f
[INFO] running `"docker" "start" "-a" "aa3f854000eaee3865e88feee2c174d6e41d21e073caf8ec2bfb70f9160fc14f"`
[INFO] [stderr]    Compiling slab v0.1.3
[INFO] [stderr]    Compiling bytes v0.3.0
[INFO] [stderr]    Compiling pty v0.1.6
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling rmp-serialize v0.8.0
[INFO] [stderr]    Compiling miow v0.1.5
[INFO] [stderr]    Compiling mio v0.5.1
[INFO] [stderr]    Compiling pty-shell v0.1.4
[INFO] [stderr] error[E0276]: impl has stricter requirements than trait
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/pty-shell-0.1.4/src/lib.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn proxy<H: PtyHandler>(&self, handler: H) -> Result<()>;
[INFO] [stderr]    |     --------------------------------------------------------- definition of `proxy` from trait
[INFO] [stderr] ...
[INFO] [stderr] 50 |     fn proxy<H: PtyHandler + 'static>(&self, handler: H) -> Result<()> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ impl has extra requirement `H: 'static`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0276`.
[INFO] [stderr] error: Could not compile `pty-shell`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "aa3f854000eaee3865e88feee2c174d6e41d21e073caf8ec2bfb70f9160fc14f"`
[INFO] running `"docker" "rm" "-f" "aa3f854000eaee3865e88feee2c174d6e41d21e073caf8ec2bfb70f9160fc14f"`
[INFO] [stdout] aa3f854000eaee3865e88feee2c174d6e41d21e073caf8ec2bfb70f9160fc14f