[INFO] updating cached repository schnommus/composite
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/schnommus/composite
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/schnommus/composite" "work/ex/beta-1.38-1/sources/1.37.0/gh/schnommus/composite"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/schnommus/composite'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/schnommus/composite" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/schnommus/composite"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/schnommus/composite'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8e3488aa80fdd6201f75c54677e9d9296d381be9
[INFO] sha for GitHub repo schnommus/composite: 8e3488aa80fdd6201f75c54677e9d9296d381be9
[INFO] validating manifest of schnommus/composite 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 schnommus/composite 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 schnommus/composite
[INFO] finished frobbing schnommus/composite
[INFO] frobbed toml for schnommus/composite written to work/ex/beta-1.38-1/sources/1.37.0/gh/schnommus/composite/Cargo.toml
[INFO] started frobbing schnommus/composite
[INFO] finished frobbing schnommus/composite
[INFO] frobbed toml for schnommus/composite written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/schnommus/composite/Cargo.toml
[INFO] crate schnommus/composite 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 schnommus/composite against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/schnommus/composite:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] a012c6920298e6bd35e8315822281119759bc1d7ec83f91a26f18dc22c190565
[INFO] running `"docker" "start" "-a" "a012c6920298e6bd35e8315822281119759bc1d7ec83f91a26f18dc22c190565"`
[INFO] [stderr]    Compiling serde_json v1.0.22
[INFO] [stderr]    Compiling sdl2 v0.31.0
[INFO] [stderr]    Compiling flame v0.2.2
[INFO] [stderr]    Compiling flamer v0.2.3
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/flamer-0.2.3/src/lib.rs:1:30
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(plugin_registrar, quote, rustc_private, custom_attribute)]
[INFO] [stderr]   |                              ^^^^^ feature has been removed
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved imports `syntax::fold`, `syntax::fold`
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/flamer-0.2.3/src/lib.rs:9:20
[INFO] [stderr]   |
[INFO] [stderr] 9 | use syntax::fold::{self, Folder};
[INFO] [stderr]   |             ^^^^   ^^^^ no `fold` in the root
[INFO] [stderr]   |             |
[INFO] [stderr]   |             could not find `fold` in `syntax`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `syntax::codemap`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/flamer-0.2.3/src/lib.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 | use syntax::codemap::{DUMMY_SP, Span};
[INFO] [stderr]    |             ^^^^^^^ could not find `codemap` in `syntax`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `syntax::util::small_vector`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/flamer-0.2.3/src/lib.rs:16:19
[INFO] [stderr]    |
[INFO] [stderr] 16 | use syntax::util::small_vector::SmallVector;
[INFO] [stderr]    |                   ^^^^^^^^^^^^ could not find `small_vector` in `util`
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `quote_block!` in this scope
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/flamer-0.2.3/src/lib.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |             quote_block!(self.cx, {
[INFO] [stderr]    |             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/flamer-0.2.3/src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(plugin_registrar, quote, rustc_private, custom_attribute)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0554, E0557.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `flamer`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "a012c6920298e6bd35e8315822281119759bc1d7ec83f91a26f18dc22c190565"`
[INFO] running `"docker" "rm" "-f" "a012c6920298e6bd35e8315822281119759bc1d7ec83f91a26f18dc22c190565"`
[INFO] [stdout] a012c6920298e6bd35e8315822281119759bc1d7ec83f91a26f18dc22c190565