[INFO] crate salt 0.0.4 is already in cache
[INFO] extracting crate salt 0.0.4 into work/ex/beta-1.37-6/sources/1.36.0/reg/salt/0.0.4
[INFO] extracting crate salt 0.0.4 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/salt/0.0.4
[INFO] validating manifest of salt-0.0.4 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of salt-0.0.4 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing salt-0.0.4
[INFO] finished frobbing salt-0.0.4
[INFO] frobbed toml for salt-0.0.4 written to work/ex/beta-1.37-6/sources/1.36.0/reg/salt/0.0.4/Cargo.toml
[INFO] started frobbing salt-0.0.4
[INFO] finished frobbing salt-0.0.4
[INFO] frobbed toml for salt-0.0.4 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/salt/0.0.4/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing salt-0.0.4 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/salt/0.0.4:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 88a1ceb33d9b14a0f485c2bfa3a106d01b4d2e598baea62a4c8fee8a745d7478
[INFO] running `"docker" "start" "-a" "88a1ceb33d9b14a0f485c2bfa3a106d01b4d2e598baea62a4c8fee8a745d7478"`
[INFO] [stderr]    Compiling salt v0.0.4 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'hyper::server::server_proto::<impl hyper::server::Http<B>>::bind_connection': All usage of the tokio-proto crate is going away.
[INFO] [stderr]   --> src/salt.rs:86:34
[INFO] [stderr]    |
[INFO] [stderr] 86 |                         protocol.bind_connection(&handle, socket, addr, service.clone());
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[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:28:49
[INFO] [stderr]    |
[INFO] [stderr] 28 |             ListenErrorKind::Io(ref err) => err.cause(),
[INFO] [stderr]    |                                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.21s
[INFO] running `"docker" "inspect" "88a1ceb33d9b14a0f485c2bfa3a106d01b4d2e598baea62a4c8fee8a745d7478"`
[INFO] running `"docker" "rm" "-f" "88a1ceb33d9b14a0f485c2bfa3a106d01b4d2e598baea62a4c8fee8a745d7478"`
[INFO] [stdout] 88a1ceb33d9b14a0f485c2bfa3a106d01b4d2e598baea62a4c8fee8a745d7478
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/salt/0.0.4:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 165d3d96d982820b3044c08e20aa484450cf8fc6b9295fa12c54fce39aa74c26
[INFO] running `"docker" "start" "-a" "165d3d96d982820b3044c08e20aa484450cf8fc6b9295fa12c54fce39aa74c26"`
[INFO] [stderr]    Compiling salt v0.0.4 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> examples/json.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]   --> examples/json.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | /     error_chain! {
[INFO] [stderr] 19 | |         foreign_links {
[INFO] [stderr] 20 | |             Io(::std::io::Error);
[INFO] [stderr] 21 | |             Json(::serde_json::Error);
[INFO] [stderr] 22 | |         }
[INFO] [stderr] 23 | |     }
[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]   --> examples/json.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | /     error_chain! {
[INFO] [stderr] 19 | |         foreign_links {
[INFO] [stderr] 20 | |             Io(::std::io::Error);
[INFO] [stderr] 21 | |             Json(::serde_json::Error);
[INFO] [stderr] 22 | |         }
[INFO] [stderr] 23 | |     }
[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[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> examples/proxy.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(conservative_impl_trait)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `salt`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 `salt`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> examples/time.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(conservative_impl_trait)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'hyper::server::server_proto::<impl hyper::server::Http<B>>::bind_connection': All usage of the tokio-proto crate is going away.
[INFO] [stderr]   --> src/salt.rs:86:34
[INFO] [stderr]    |
[INFO] [stderr] 86 |                         protocol.bind_connection(&handle, socket, addr, service.clone());
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[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] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/errors.rs:28:49
[INFO] [stderr]    |
[INFO] [stderr] 28 |             ListenErrorKind::Io(ref err) => err.cause(),
[INFO] [stderr]    |                                                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `salt`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "165d3d96d982820b3044c08e20aa484450cf8fc6b9295fa12c54fce39aa74c26"`
[INFO] running `"docker" "rm" "-f" "165d3d96d982820b3044c08e20aa484450cf8fc6b9295fa12c54fce39aa74c26"`
[INFO] [stdout] 165d3d96d982820b3044c08e20aa484450cf8fc6b9295fa12c54fce39aa74c26