[INFO] updating cached repository mvr/abyme
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mvr/abyme
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mvr/abyme" "work/ex/beta-1.37-6/sources/1.36.0/gh/mvr/abyme"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/mvr/abyme'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mvr/abyme" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mvr/abyme"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mvr/abyme'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 75c99c94c324e9acaf6adf3e732f08e92049f577
[INFO] sha for GitHub repo mvr/abyme: 75c99c94c324e9acaf6adf3e732f08e92049f577
[INFO] validating manifest of mvr/abyme on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mvr/abyme on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mvr/abyme
[INFO] finished frobbing mvr/abyme
[INFO] frobbed toml for mvr/abyme written to work/ex/beta-1.37-6/sources/1.36.0/gh/mvr/abyme/Cargo.toml
[INFO] started frobbing mvr/abyme
[INFO] finished frobbing mvr/abyme
[INFO] frobbed toml for mvr/abyme written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mvr/abyme/Cargo.toml
[INFO] crate mvr/abyme already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mvr/abyme against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mvr/abyme:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] a11be1ebb882872ce2a4baa538e323b02e78da05a85fb65fe352f9ceec11ddba
[INFO] running `"docker" "start" "-a" "a11be1ebb882872ce2a4baa538e323b02e78da05a85fb65fe352f9ceec11ddba"`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.1.5
[INFO] [stderr]    Compiling rug v1.1.0
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling x11-dl v2.17.5
[INFO] [stderr]    Compiling memmap v0.6.2
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]    Compiling shared_library v0.1.8
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling euclid v0.17.2
[INFO] [stderr]    Compiling tempfile v3.0.2
[INFO] [stderr]    Compiling sid v0.5.0
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling num-bigint v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.35
[INFO] [stderr]    Compiling gfx_core v0.8.2
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling lyon_geom v0.10.0
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling wayland-sys v0.12.5
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]    Compiling glutin v0.15.0
[INFO] [stderr]    Compiling lyon_path v0.10.0
[INFO] [stderr]    Compiling wayland-client v0.12.5
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling lyon_tessellation v0.10.0
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling wayland-protocols v0.12.5
[INFO] [stderr]    Compiling wayland-kbd v0.13.1
[INFO] [stderr]    Compiling lyon v0.10.0
[INFO] [stderr]    Compiling wayland-window v0.13.3
[INFO] [stderr]    Compiling winit v0.13.1
[INFO] [stderr]    Compiling gfx_device_gl v0.15.2
[INFO] [stderr]    Compiling gfx v0.17.1
[INFO] [stderr]    Compiling gfx_window_glutin v0.23.0
[INFO] [stderr]    Compiling abyme 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(slice_patterns)]
[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(custom_attribute)]
[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(nll)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![feature(stmt_expr_attributes)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `load_universe`
[INFO] [stderr]   --> src/director.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use load_universe;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `load_universe`
[INFO] [stderr]  --> src/gamestate.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use load_universe;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `defs::*`
[INFO] [stderr]  --> src/polyomino.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use defs::*;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TypedVector2D`
[INFO] [stderr]  --> src/load_universe.rs:8:28
[INFO] [stderr]   |
[INFO] [stderr] 8 | use euclid::{TypedPoint2D, TypedVector2D};
[INFO] [stderr]   |                            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `abyme`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "a11be1ebb882872ce2a4baa538e323b02e78da05a85fb65fe352f9ceec11ddba"`
[INFO] running `"docker" "rm" "-f" "a11be1ebb882872ce2a4baa538e323b02e78da05a85fb65fe352f9ceec11ddba"`
[INFO] [stdout] a11be1ebb882872ce2a4baa538e323b02e78da05a85fb65fe352f9ceec11ddba