Dec 02 22:21:39.069 INFO testing png2aa-0.1.2 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 22:21:39.069 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt 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 02 22:21:39.337 INFO [stdout] 27eb974fd687a7b8dede893cfd05c8d740a22594411d4df2e38a6ff8034f559d
Dec 02 22:21:39.342 INFO running `"docker" "start" "-a" "27eb974fd687a7b8dede893cfd05c8d740a22594411d4df2e38a6ff8034f559d"`
Dec 02 22:21:39.944 INFO [stderr] usermod: no changes
Dec 02 22:21:40.043 INFO [stderr]    Compiling ndarray v0.10.14
Dec 02 22:21:40.043 INFO [stderr]    Compiling string-error v0.1.0
Dec 02 22:21:49.379 INFO [stderr]    Compiling png2aa v0.1.2 (/source)
Dec 02 22:21:52.463 INFO [stderr] warning: unused `#[macro_use]` import
Dec 02 22:21:52.463 INFO [stderr]  --> src/lib.rs:2:1
Dec 02 22:21:52.463 INFO [stderr]   |
Dec 02 22:21:52.463 INFO [stderr] 2 | #[macro_use] extern crate ndarray;
Dec 02 22:21:52.463 INFO [stderr]   | ^^^^^^^^^^^^
Dec 02 22:21:52.463 INFO [stderr]   |
Dec 02 22:21:52.463 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 02 22:21:52.463 INFO [stderr] 
Dec 02 22:21:57.939 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 22:21:57.939 INFO [stderr]  --> src/cli.rs:1:1
Dec 02 22:21:57.939 INFO [stderr]   |
Dec 02 22:21:57.939 INFO [stderr] 1 | #![feature(slice_patterns)]
Dec 02 22:21:57.939 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 22:21:57.939 INFO [stderr] 
Dec 02 22:21:57.939 INFO [stderr] error: aborting due to previous error
Dec 02 22:21:57.939 INFO [stderr] 
Dec 02 22:21:57.939 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 22:21:57.942 INFO [stderr] error: Could not compile `png2aa`.
Dec 02 22:21:57.942 INFO [stderr] 
Dec 02 22:21:57.942 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 22:21:57.947 INFO [stderr] su: No module specific data is present
Dec 02 22:21:58.827 INFO running `"docker" "inspect" "27eb974fd687a7b8dede893cfd05c8d740a22594411d4df2e38a6ff8034f559d"`
Dec 02 22:21:59.143 INFO running `"docker" "rm" "-f" "27eb974fd687a7b8dede893cfd05c8d740a22594411d4df2e38a6ff8034f559d"`
Dec 02 22:21:59.414 INFO [stdout] 27eb974fd687a7b8dede893cfd05c8d740a22594411d4df2e38a6ff8034f559d
