[INFO] updating cached repository caipre/tower-h2-tokio-run
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/caipre/tower-h2-tokio-run
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/caipre/tower-h2-tokio-run" "work/ex/beta-1.38-1/sources/1.37.0/gh/caipre/tower-h2-tokio-run"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/caipre/tower-h2-tokio-run'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/caipre/tower-h2-tokio-run" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/caipre/tower-h2-tokio-run"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/caipre/tower-h2-tokio-run'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0a89d311d9fd6c9039ca6e115a7dc76c30896072
[INFO] sha for GitHub repo caipre/tower-h2-tokio-run: 0a89d311d9fd6c9039ca6e115a7dc76c30896072
[INFO] validating manifest of caipre/tower-h2-tokio-run 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 caipre/tower-h2-tokio-run 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 caipre/tower-h2-tokio-run
[INFO] finished frobbing caipre/tower-h2-tokio-run
[INFO] frobbed toml for caipre/tower-h2-tokio-run written to work/ex/beta-1.38-1/sources/1.37.0/gh/caipre/tower-h2-tokio-run/Cargo.toml
[INFO] started frobbing caipre/tower-h2-tokio-run
[INFO] finished frobbing caipre/tower-h2-tokio-run
[INFO] frobbed toml for caipre/tower-h2-tokio-run written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/caipre/tower-h2-tokio-run/Cargo.toml
[INFO] crate caipre/tower-h2-tokio-run already has a lockfile, it will not be regenerated
[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 caipre/tower-h2-tokio-run 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-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/caipre/tower-h2-tokio-run:/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] 45a668f47b20428a0eafa8035de24f711e11a35a6775bdab138e79f556dd2ad9
[INFO] running `"docker" "start" "-a" "45a668f47b20428a0eafa8035de24f711e11a35a6775bdab138e79f556dd2ad9"`
[INFO] [stderr]    Compiling tower-service v0.1.0 (https://github.com/tower-rs/tower#aef25abf)
[INFO] [stderr]    Compiling mio v0.6.15
[INFO] [stderr]    Compiling tokio-io v0.1.7
[INFO] [stderr]    Compiling tokio-threadpool v0.1.5
[INFO] [stderr]    Compiling tokio-codec v0.1.0
[INFO] [stderr]    Compiling h2 v0.1.12
[INFO] [stderr]    Compiling tokio-connect v0.1.0 (https://github.com/carllerche/tokio-connect#f7ad1ca4)
[INFO] [stderr]    Compiling tokio-fs v0.1.3
[INFO] [stderr]    Compiling tokio-reactor v0.1.3
[INFO] [stderr]    Compiling tokio-udp v0.1.1
[INFO] [stderr]    Compiling tokio-tcp v0.1.1
[INFO] [stderr]    Compiling tokio v0.1.7
[INFO] [stderr]    Compiling tower-h2 v0.1.0 (https://github.com/tower-rs/tower-h2#1299be66)
[INFO] [stderr]    Compiling tower-h2-tokio-run v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0599]: no method named `map_err` found for type `tower_h2::server::Connection<tokio::net::TcpStream, FooNewService, tokio::executor::DefaultExecutor, RespBody, ()>` in the current scope
[INFO] [stderr]   --> src/main.rs:91:18
[INFO] [stderr]    |
[INFO] [stderr] 91 |                 .map_err(|err| error!("h2 error: {:?}", err))
[INFO] [stderr]    |                  ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: the method `map_err` exists but the following trait bounds were not satisfied:
[INFO] [stderr]            `&mut tower_h2::server::Connection<tokio::net::TcpStream, FooNewService, tokio::executor::DefaultExecutor, RespBody, ()> : futures::Future`
[INFO] [stderr]            `&mut tower_h2::server::Connection<tokio::net::TcpStream, FooNewService, tokio::executor::DefaultExecutor, RespBody, ()> : futures::Stream`
[INFO] [stderr]            `tower_h2::server::Connection<tokio::net::TcpStream, FooNewService, tokio::executor::DefaultExecutor, RespBody, ()> : futures::Future`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: Could not compile `tower-h2-tokio-run`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "45a668f47b20428a0eafa8035de24f711e11a35a6775bdab138e79f556dd2ad9"`
[INFO] running `"docker" "rm" "-f" "45a668f47b20428a0eafa8035de24f711e11a35a6775bdab138e79f556dd2ad9"`
[INFO] [stdout] 45a668f47b20428a0eafa8035de24f711e11a35a6775bdab138e79f556dd2ad9