[INFO] updating cached repository pypypypypypypypypyp/roguelike_ccg
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/pypypypypypypypypyp/roguelike_ccg
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/pypypypypypypypypyp/roguelike_ccg" "work/ex/beta-1.38-1/sources/1.37.0/gh/pypypypypypypypypyp/roguelike_ccg"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/pypypypypypypypypyp/roguelike_ccg'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/pypypypypypypypypyp/roguelike_ccg" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pypypypypypypypypyp/roguelike_ccg"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pypypypypypypypypyp/roguelike_ccg'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8222df69f8199a261cc5b5f036829207744a41bd
[INFO] sha for GitHub repo pypypypypypypypypyp/roguelike_ccg: 8222df69f8199a261cc5b5f036829207744a41bd
[INFO] validating manifest of pypypypypypypypypyp/roguelike_ccg 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 pypypypypypypypypyp/roguelike_ccg 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 pypypypypypypypypyp/roguelike_ccg
[INFO] finished frobbing pypypypypypypypypyp/roguelike_ccg
[INFO] frobbed toml for pypypypypypypypypyp/roguelike_ccg written to work/ex/beta-1.38-1/sources/1.37.0/gh/pypypypypypypypypyp/roguelike_ccg/Cargo.toml
[INFO] started frobbing pypypypypypypypypyp/roguelike_ccg
[INFO] finished frobbing pypypypypypypypypyp/roguelike_ccg
[INFO] frobbed toml for pypypypypypypypypyp/roguelike_ccg written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pypypypypypypypypyp/roguelike_ccg/Cargo.toml
[INFO] crate pypypypypypypypypyp/roguelike_ccg 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 pypypypypypypypypyp/roguelike_ccg 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/pypypypypypypypypyp/roguelike_ccg:/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] a1b8dff54fa68395c0a640b961eb57403c9a089bd18a0efd63969f52200d45df
[INFO] running `"docker" "start" "-a" "a1b8dff54fa68395c0a640b961eb57403c9a089bd18a0efd63969f52200d45df"`
[INFO] [stderr]    Compiling vulkano v0.11.1
[INFO] [stderr]    Compiling vk-sys v0.4.0
[INFO] [stderr]    Compiling metatype v0.1.1
[INFO] [stderr]    Compiling array_tuple v0.1.0 (https://github.com/pypypypypypypypypyp/array_tuple#a75ae591)
[INFO] [stderr]    Compiling limiter v0.1.0 (https://github.com/pypypypypypypypypyp/limiter#f812738f)
[INFO] [stderr]    Compiling terminal v0.1.0 (https://github.com/pypypypypypypypypyp/terminal#c64dda7e)
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling cmake v0.1.40
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/metatype-0.1.1/src/lib.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | #![feature(raw, box_syntax, specialization)]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> /opt/crater/cargo-home/git/checkouts/array_tuple-50bd20982362b952/a75ae59/src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(nll)]
[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 `array_tuple`.
[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 `metatype`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "a1b8dff54fa68395c0a640b961eb57403c9a089bd18a0efd63969f52200d45df"`
[INFO] running `"docker" "rm" "-f" "a1b8dff54fa68395c0a640b961eb57403c9a089bd18a0efd63969f52200d45df"`
[INFO] [stdout] a1b8dff54fa68395c0a640b961eb57403c9a089bd18a0efd63969f52200d45df