[INFO] updating cached repository sudeep9/wdt-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sudeep9/wdt-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sudeep9/wdt-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/sudeep9/wdt-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/sudeep9/wdt-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sudeep9/wdt-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sudeep9/wdt-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sudeep9/wdt-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6de6d1bf58a9c1fbda6ba9797ee4bd4643e531a5
[INFO] sha for GitHub repo sudeep9/wdt-rs: 6de6d1bf58a9c1fbda6ba9797ee4bd4643e531a5
[INFO] validating manifest of sudeep9/wdt-rs 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 sudeep9/wdt-rs 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 sudeep9/wdt-rs
[INFO] finished frobbing sudeep9/wdt-rs
[INFO] frobbed toml for sudeep9/wdt-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/sudeep9/wdt-rs/Cargo.toml
[INFO] started frobbing sudeep9/wdt-rs
[INFO] finished frobbing sudeep9/wdt-rs
[INFO] frobbed toml for sudeep9/wdt-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sudeep9/wdt-rs/Cargo.toml
[INFO] crate sudeep9/wdt-rs 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 sudeep9/wdt-rs against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/sudeep9/wdt-rs:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] d3806507a97f4877643870b37041954b362eeb2c1037664f013b452ce6f37d25
[INFO] running `"docker" "start" "-a" "d3806507a97f4877643870b37041954b362eeb2c1037664f013b452ce6f37d25"`
[INFO] [stderr]    Compiling cc v1.0.0
[INFO] [stderr]    Compiling thread-id v3.2.0
[INFO] [stderr]    Compiling mio v0.6.10
[INFO] [stderr]    Compiling threadpool v1.7.0
[INFO] [stderr]    Compiling futures-cpupool v0.1.6
[INFO] [stderr]    Compiling simplelog v0.4.2
[INFO] [stderr]    Compiling rmpv v0.4.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.14
[INFO] [stderr]    Compiling libz-sys v1.0.18
[INFO] [stderr]    Compiling openssl-sys v0.9.20
[INFO] [stderr]    Compiling tokio-core v0.1.10
[INFO] [stderr]    Compiling openssl v0.9.20
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]    Compiling backtrace v0.3.3
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling wdt v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/common/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[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/common/errors.rs:5:1
[INFO] [stderr]    |
[INFO] [stderr] 5  | / error_chain!{
[INFO] [stderr] 6  | |     types {
[INFO] [stderr] 7  | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stderr] 8  | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 14 | |     }
[INFO] [stderr] 15 | | }
[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/common/errors.rs:5:1
[INFO] [stderr]    |
[INFO] [stderr] 5  | / error_chain!{
[INFO] [stderr] 6  | |     types {
[INFO] [stderr] 7  | |         Error, ErrorKind, ResultExt, Result;
[INFO] [stderr] 8  | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 14 | |     }
[INFO] [stderr] 15 | | }
[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 `wdt`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d3806507a97f4877643870b37041954b362eeb2c1037664f013b452ce6f37d25"`
[INFO] running `"docker" "rm" "-f" "d3806507a97f4877643870b37041954b362eeb2c1037664f013b452ce6f37d25"`
[INFO] [stdout] d3806507a97f4877643870b37041954b362eeb2c1037664f013b452ce6f37d25