Dec 03 14:01:53.141 INFO testing dinotree_alg-0.1.1 against 1.30.1 for beta-1.31-5
Dec 03 14:01:53.141 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/beta-1.31-5/1.30.1:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 03 14:01:53.812 INFO [stdout] d3c705f92e07550878727b2e2201cb73144c53c94af1ec4ce70cfe2b8332b6bd
Dec 03 14:01:53.814 INFO running `"docker" "start" "-a" "d3c705f92e07550878727b2e2201cb73144c53c94af1ec4ce70cfe2b8332b6bd"`
Dec 03 14:01:54.938 INFO [stderr] usermod: no changes
Dec 03 14:01:55.063 INFO [stderr]    Compiling is_sorted v0.1.0
Dec 03 14:01:55.065 INFO [stderr]    Compiling axgeom v1.0.1
Dec 03 14:01:55.065 INFO [stderr]    Compiling compt v1.2.3
Dec 03 14:01:56.891 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 14:01:56.891 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/compt-1.2.3/src/lib.rs:52:1
Dec 03 14:01:56.891 INFO [stderr]    |
Dec 03 14:01:56.891 INFO [stderr] 52 | #![feature(ptr_offset_from)]
Dec 03 14:01:56.891 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 14:01:56.891 INFO [stderr] 
Dec 03 14:01:56.891 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 14:01:56.891 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/compt-1.2.3/src/lib.rs:53:1
Dec 03 14:01:56.891 INFO [stderr]    |
Dec 03 14:01:56.891 INFO [stderr] 53 | #![feature(trusted_len)]
Dec 03 14:01:56.891 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 14:01:56.891 INFO [stderr] 
Dec 03 14:01:56.907 INFO [stderr] error: aborting due to 2 previous errors
Dec 03 14:01:56.907 INFO [stderr] 
Dec 03 14:01:56.907 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 14:01:56.939 INFO [stderr] error: Could not compile `compt`.
Dec 03 14:01:56.939 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 03 14:01:56.939 INFO [stderr] error: build failed
Dec 03 14:01:56.939 INFO [stderr] su: No module specific data is present
Dec 03 14:01:57.751 INFO running `"docker" "inspect" "d3c705f92e07550878727b2e2201cb73144c53c94af1ec4ce70cfe2b8332b6bd"`
Dec 03 14:01:58.106 INFO running `"docker" "rm" "-f" "d3c705f92e07550878727b2e2201cb73144c53c94af1ec4ce70cfe2b8332b6bd"`
Dec 03 14:01:58.495 INFO [stdout] d3c705f92e07550878727b2e2201cb73144c53c94af1ec4ce70cfe2b8332b6bd