Dec 01 22:40:37.964 INFO testing brianp/muxedsnapshot against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 01 22:40:37.964 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 01 22:40:38.802 INFO [stdout] fa6cc283fe1ed5bcf6d5d65a71b9e06caf169bf4f869f3b281a78c26f08ba3ec
Dec 01 22:40:38.805 INFO running `"docker" "start" "-a" "fa6cc283fe1ed5bcf6d5d65a71b9e06caf169bf4f869f3b281a78c26f08ba3ec"`
Dec 01 22:40:39.773 INFO [stderr] usermod: no changes
Dec 01 22:40:39.950 INFO [stderr]    Compiling serde v0.8.18
Dec 01 22:40:39.950 INFO [stderr]    Compiling quote v0.3.5
Dec 01 22:40:39.959 INFO [stderr]    Compiling clap v2.16.3
Dec 01 22:40:41.974 INFO [stderr]    Compiling syn v0.10.3
Dec 01 22:40:51.351 INFO [stderr]    Compiling serde_codegen_internals v0.11.1
Dec 01 22:40:57.299 INFO [stderr]    Compiling serde_codegen v0.8.19
Dec 01 22:41:04.619 INFO [stderr]    Compiling serde_test v0.8.18
Dec 01 22:41:09.171 INFO [stderr]    Compiling serde_derive v0.8.19
Dec 01 22:41:09.520 INFO [stderr]    Compiling linked-hash-map v0.3.0
Dec 01 22:41:11.251 INFO [stderr]    Compiling yaml-rust v0.3.4
Dec 01 22:41:13.523 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 01 22:41:13.523 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_derive-0.8.19/src/lib.rs:1:1
Dec 01 22:41:13.523 INFO [stderr]   |
Dec 01 22:41:13.523 INFO [stderr] 1 | #![feature(proc_macro, proc_macro_lib)]
Dec 01 22:41:13.523 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 22:41:13.523 INFO [stderr] 
Dec 01 22:41:13.523 INFO [stderr] error: aborting due to previous error
Dec 01 22:41:13.523 INFO [stderr] 
Dec 01 22:41:13.523 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 01 22:41:13.555 INFO [stderr] error: Could not compile `serde_derive`.
Dec 01 22:41:13.555 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 01 22:41:16.452 INFO [stderr] error: build failed
Dec 01 22:41:16.459 INFO [stderr] su: No module specific data is present
Dec 01 22:41:17.510 INFO running `"docker" "inspect" "fa6cc283fe1ed5bcf6d5d65a71b9e06caf169bf4f869f3b281a78c26f08ba3ec"`
Dec 01 22:41:17.769 INFO running `"docker" "rm" "-f" "fa6cc283fe1ed5bcf6d5d65a71b9e06caf169bf4f869f3b281a78c26f08ba3ec"`
Dec 01 22:41:18.119 INFO [stdout] fa6cc283fe1ed5bcf6d5d65a71b9e06caf169bf4f869f3b281a78c26f08ba3ec
