[INFO] updating cached repository Miniwoffer/snake-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Miniwoffer/snake-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Miniwoffer/snake-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/Miniwoffer/snake-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Miniwoffer/snake-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Miniwoffer/snake-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Miniwoffer/snake-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Miniwoffer/snake-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b71c6da4d5190ed770c45debe176d4ff6d0ee1bc
[INFO] sha for GitHub repo Miniwoffer/snake-rust: b71c6da4d5190ed770c45debe176d4ff6d0ee1bc
[INFO] validating manifest of Miniwoffer/snake-rust 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 Miniwoffer/snake-rust 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 Miniwoffer/snake-rust
[INFO] finished frobbing Miniwoffer/snake-rust
[INFO] frobbed toml for Miniwoffer/snake-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/Miniwoffer/snake-rust/Cargo.toml
[INFO] started frobbing Miniwoffer/snake-rust
[INFO] finished frobbing Miniwoffer/snake-rust
[INFO] frobbed toml for Miniwoffer/snake-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Miniwoffer/snake-rust/Cargo.toml
[INFO] crate Miniwoffer/snake-rust 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 Miniwoffer/snake-rust 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Miniwoffer/snake-rust:/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] 38695460c25158eb9731ef98bdf5fd5e2cbc193c6acc9469cd8004eec7541979
[INFO] running `"docker" "start" "-a" "38695460c25158eb9731ef98bdf5fd5e2cbc193c6acc9469cd8004eec7541979"`
[INFO] [stderr]    Compiling sdl2-sys v0.30.0
[INFO] [stderr]    Compiling sdl2 v0.30.0
[INFO] [stderr]    Compiling orbclient v0.3.12
[INFO] [stderr] error[E0432]: unresolved import `alloc::Vec`
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/orbclient-0.3.12/src/graphicspath.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use alloc::Vec;
[INFO] [stderr]   |     ^^^^^^^---
[INFO] [stderr]   |     |      |
[INFO] [stderr]   |     |      help: a similar name exists in the module: `vec`
[INFO] [stderr]   |     no `Vec` in the root
[INFO] [stderr] 
[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/orbclient-0.3.12/src/lib.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(alloc)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[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/orbclient-0.3.12/src/lib.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![feature(asm)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[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/orbclient-0.3.12/src/lib.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #![feature(const_fn)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[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/orbclient-0.3.12/src/lib.rs:6:67
[INFO] [stderr]   |
[INFO] [stderr] 6 | #![cfg_attr(all(not(feature="no_std"), not(target_os = "redox")), feature(const_ptr_null_mut))]
[INFO] [stderr]   |                                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `orbclient`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "38695460c25158eb9731ef98bdf5fd5e2cbc193c6acc9469cd8004eec7541979"`
[INFO] running `"docker" "rm" "-f" "38695460c25158eb9731ef98bdf5fd5e2cbc193c6acc9469cd8004eec7541979"`
[INFO] [stdout] 38695460c25158eb9731ef98bdf5fd5e2cbc193c6acc9469cd8004eec7541979