[INFO] updating cached repository CL4PTP/dbapp
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/CL4PTP/dbapp
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/CL4PTP/dbapp" "work/ex/beta-1.38-1/sources/1.37.0/gh/CL4PTP/dbapp"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/CL4PTP/dbapp'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/CL4PTP/dbapp" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/CL4PTP/dbapp"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/CL4PTP/dbapp'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5392056e3362ec767ffb45b20c8b5238388a9116
[INFO] sha for GitHub repo CL4PTP/dbapp: 5392056e3362ec767ffb45b20c8b5238388a9116
[INFO] validating manifest of CL4PTP/dbapp 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 CL4PTP/dbapp 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 CL4PTP/dbapp
[INFO] finished frobbing CL4PTP/dbapp
[INFO] frobbed toml for CL4PTP/dbapp written to work/ex/beta-1.38-1/sources/1.37.0/gh/CL4PTP/dbapp/Cargo.toml
[INFO] started frobbing CL4PTP/dbapp
[INFO] finished frobbing CL4PTP/dbapp
[INFO] frobbed toml for CL4PTP/dbapp written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/CL4PTP/dbapp/Cargo.toml
[INFO] crate CL4PTP/dbapp 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 CL4PTP/dbapp 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/CL4PTP/dbapp:/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] 9c75cbc1361e710dfdb06a35ef7c7f826c47f689c1a0cb95c74eeee99d031a1a
[INFO] running `"docker" "start" "-a" "9c75cbc1361e710dfdb06a35ef7c7f826c47f689c1a0cb95c74eeee99d031a1a"`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.28
[INFO] [stderr]    Compiling wasm-bindgen v0.2.28
[INFO] [stderr]    Compiling regex-syntax v0.6.3
[INFO] [stderr]    Compiling nom v4.1.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.28
[INFO] [stderr]    Compiling weedle v0.8.0
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.28
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.28
[INFO] [stderr]    Compiling env_logger v0.6.0
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.22
[INFO] [stderr]    Compiling js-sys v0.3.5
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.5
[INFO] [stderr]    Compiling web-sys v0.3.5
[INFO] [stderr]    Compiling dbapp v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(self_struct_ctor)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(nll)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(type_ascription)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `dbapp`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "9c75cbc1361e710dfdb06a35ef7c7f826c47f689c1a0cb95c74eeee99d031a1a"`
[INFO] running `"docker" "rm" "-f" "9c75cbc1361e710dfdb06a35ef7c7f826c47f689c1a0cb95c74eeee99d031a1a"`
[INFO] [stdout] 9c75cbc1361e710dfdb06a35ef7c7f826c47f689c1a0cb95c74eeee99d031a1a