[INFO] updating cached repository Connicpu/connies-rpg-game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Connicpu/connies-rpg-game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Connicpu/connies-rpg-game" "work/ex/beta-1.38-1/sources/1.37.0/gh/Connicpu/connies-rpg-game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Connicpu/connies-rpg-game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Connicpu/connies-rpg-game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Connicpu/connies-rpg-game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Connicpu/connies-rpg-game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cea6cf5505406a9e6ce7b151d36434a71b4bd464
[INFO] sha for GitHub repo Connicpu/connies-rpg-game: cea6cf5505406a9e6ce7b151d36434a71b4bd464
[INFO] validating manifest of Connicpu/connies-rpg-game 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 Connicpu/connies-rpg-game 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 Connicpu/connies-rpg-game
[INFO] finished frobbing Connicpu/connies-rpg-game
[INFO] frobbed toml for Connicpu/connies-rpg-game written to work/ex/beta-1.38-1/sources/1.37.0/gh/Connicpu/connies-rpg-game/Cargo.toml
[INFO] started frobbing Connicpu/connies-rpg-game
[INFO] finished frobbing Connicpu/connies-rpg-game
[INFO] frobbed toml for Connicpu/connies-rpg-game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Connicpu/connies-rpg-game/Cargo.toml
[INFO] crate Connicpu/connies-rpg-game 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 Connicpu/connies-rpg-game 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Connicpu/connies-rpg-game:/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] 7a256fea012c0adb872a8f940412e900d1238ebd630a3673516d8b576543c6be
[INFO] running `"docker" "start" "-a" "7a256fea012c0adb872a8f940412e900d1238ebd630a3673516d8b576543c6be"`
[INFO] [stderr]    Compiling cairo-rs v0.1.3
[INFO] [stderr]    Compiling gdk-pixbuf v0.1.3
[INFO] [stderr]    Compiling gio v0.1.3
[INFO] [stderr]    Compiling gdk v0.5.3
[INFO] [stderr]    Compiling pulldown-cmark v0.0.15
[INFO] [stderr]    Compiling gtk v0.1.3
[INFO] [stderr]    Compiling getopts v0.2.15
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]    Compiling if_chain v0.1.2
[INFO] [stderr]    Compiling clippy v0.0.168
[INFO] [stderr]    Compiling fmod-studio v0.1.0 (https://github.com/Connicpu/fmod-studio-rs#78d9c292)
[INFO] [stderr] warning[E0503]: cannot use `state` because it was mutably borrowed
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.2.15/src/lib.rs:1033:33
[INFO] [stderr]      |
[INFO] [stderr] 978  |     let mut machine = |cont: &mut bool, (i, c): (usize, char)| {
[INFO] [stderr]      |                       ---------------------------------------- borrow of `state` occurs here
[INFO] [stderr] ...
[INFO] [stderr] 982  |         state = match (state, whitespace, limit) {
[INFO] [stderr]      |                        ----- borrow occurs due to use of `state` in closure
[INFO] [stderr] ...
[INFO] [stderr] 1033 |     while cont && match state { B | C => true, A => false } {
[INFO] [stderr]      |                                 ^ use of borrowed `state`
[INFO] [stderr] 1034 |         machine(&mut cont, (fake_i, ' '));
[INFO] [stderr]      |         ------- borrow later used here
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]      = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]      = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]    Compiling free-ranges v1.0.1
[INFO] [stderr]    Compiling quine-mc_cluskey v0.2.4
[INFO] [stderr]    Compiling base64 v0.1.1
[INFO] [stderr]    Compiling scoped_threadpool v0.1.8
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> /opt/crater/cargo-home/git/checkouts/fmod-studio-rs-dbc8c3f08d7bad35/78d9c29/build.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(cfg_target_feature)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 `fmod-studio`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "7a256fea012c0adb872a8f940412e900d1238ebd630a3673516d8b576543c6be"`
[INFO] running `"docker" "rm" "-f" "7a256fea012c0adb872a8f940412e900d1238ebd630a3673516d8b576543c6be"`
[INFO] [stdout] 7a256fea012c0adb872a8f940412e900d1238ebd630a3673516d8b576543c6be