[INFO] updating cached repository mlsteele/hanabi-client
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mlsteele/hanabi-client
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mlsteele/hanabi-client" "work/ex/beta-1.38-1/sources/1.37.0/gh/mlsteele/hanabi-client"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mlsteele/hanabi-client'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mlsteele/hanabi-client" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mlsteele/hanabi-client"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mlsteele/hanabi-client'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a69cba18524cad07cd85b22d018083c114310635
[INFO] sha for GitHub repo mlsteele/hanabi-client: a69cba18524cad07cd85b22d018083c114310635
[INFO] validating manifest of mlsteele/hanabi-client 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 mlsteele/hanabi-client 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 mlsteele/hanabi-client
[INFO] finished frobbing mlsteele/hanabi-client
[INFO] frobbed toml for mlsteele/hanabi-client written to work/ex/beta-1.38-1/sources/1.37.0/gh/mlsteele/hanabi-client/Cargo.toml
[INFO] started frobbing mlsteele/hanabi-client
[INFO] finished frobbing mlsteele/hanabi-client
[INFO] frobbed toml for mlsteele/hanabi-client written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mlsteele/hanabi-client/Cargo.toml
[INFO] crate mlsteele/hanabi-client 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mlsteele/hanabi-client 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-0/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/mlsteele/hanabi-client:/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] d4be6d63241093d6d8f449bc3ca042ed62b6904c896747e8dc6ec6e32969ba3c
[INFO] running `"docker" "start" "-a" "d4be6d63241093d6d8f449bc3ca042ed62b6904c896747e8dc6ec6e32969ba3c"`
[INFO] [stderr]    Compiling gcc v0.3.53
[INFO] [stderr]    Compiling serde v1.0.14
[INFO] [stderr]    Compiling iovec v0.1.0
[INFO] [stderr]    Compiling net2 v0.2.31
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling futures-cpupool v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.14
[INFO] [stderr]    Compiling bytes v0.4.5
[INFO] [stderr]    Compiling mio v0.6.10
[INFO] [stderr]    Compiling tokio-io v0.1.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.12
[INFO] [stderr]    Compiling tokio-core v0.1.9
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling hyper v0.11.2
[INFO] [stderr]    Compiling serde_json v1.0.3
[INFO] [stderr]    Compiling backtrace v0.3.3
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling hanabi-client v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(conservative_impl_trait)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]  --> src/errors.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | / error_chain!{
[INFO] [stderr] 3 | |     foreign_links {
[INFO] [stderr] 4 | |         Io(::io::Error);
[INFO] [stderr] 5 | |         Hyper(::hyper::Error);
[INFO] [stderr] 6 | |         SerdeJSON(::serde_json::Error);
[INFO] [stderr] 7 | |     }
[INFO] [stderr] 8 | | }
[INFO] [stderr]   | |_^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]   = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]  --> src/errors.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | / error_chain!{
[INFO] [stderr] 3 | |     foreign_links {
[INFO] [stderr] 4 | |         Io(::io::Error);
[INFO] [stderr] 5 | |         Hyper(::hyper::Error);
[INFO] [stderr] 6 | |         SerdeJSON(::serde_json::Error);
[INFO] [stderr] 7 | |     }
[INFO] [stderr] 8 | | }
[INFO] [stderr]   | |_^
[INFO] [stderr]   |
[INFO] [stderr]   = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `hanabi-client`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d4be6d63241093d6d8f449bc3ca042ed62b6904c896747e8dc6ec6e32969ba3c"`
[INFO] running `"docker" "rm" "-f" "d4be6d63241093d6d8f449bc3ca042ed62b6904c896747e8dc6ec6e32969ba3c"`
[INFO] [stdout] d4be6d63241093d6d8f449bc3ca042ed62b6904c896747e8dc6ec6e32969ba3c