Dec 01 22:40:44.636 INFO testing brianp/muxedsnapshot against 1.30.1 for beta-1.31-5
Dec 01 22:40:44.636 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 01 22:40:45.146 INFO [stdout] 5ee39c86bf5337963985c1070426e040b921c286333e964e02e021230202933e
Dec 01 22:40:45.148 INFO running `"docker" "start" "-a" "5ee39c86bf5337963985c1070426e040b921c286333e964e02e021230202933e"`
Dec 01 22:40:46.967 INFO [stderr] usermod: no changes
Dec 01 22:40:47.143 INFO [stderr]    Compiling serde v0.8.18
Dec 01 22:40:47.143 INFO [stderr]    Compiling quote v0.3.5
Dec 01 22:40:47.155 INFO [stderr]    Compiling clap v2.16.3
Dec 01 22:40:49.067 INFO [stderr]    Compiling syn v0.10.3
Dec 01 22:41:00.735 INFO [stderr]    Compiling serde_codegen_internals v0.11.1
Dec 01 22:41:03.557 INFO [stderr]    Compiling serde_codegen v0.8.19
Dec 01 22:41:05.105 INFO [stderr]    Compiling serde_test v0.8.18
Dec 01 22:41:13.747 INFO [stderr]    Compiling linked-hash-map v0.3.0
Dec 01 22:41:14.447 INFO [stderr]    Compiling serde_derive v0.8.19
Dec 01 22:41:18.349 INFO [stderr]    Compiling yaml-rust v0.3.4
Dec 01 22:41:22.356 INFO [stderr]    Compiling serde_yaml v0.5.0
Dec 01 22:41:22.403 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 01 22:41:22.403 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_derive-0.8.19/src/lib.rs:1:1
Dec 01 22:41:22.403 INFO [stderr]   |
Dec 01 22:41:22.403 INFO [stderr] 1 | #![feature(proc_macro, proc_macro_lib)]
Dec 01 22:41:22.403 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 22:41:22.403 INFO [stderr] 
Dec 01 22:41:22.403 INFO [stderr] error: aborting due to previous error
Dec 01 22:41:22.403 INFO [stderr] 
Dec 01 22:41:22.403 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 01 22:41:22.434 INFO [stderr] error: Could not compile `serde_derive`.
Dec 01 22:41:22.434 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 01 22:41:24.391 INFO [stderr] error: build failed
Dec 01 22:41:24.393 INFO [stderr] su: No module specific data is present
Dec 01 22:41:25.784 INFO running `"docker" "inspect" "5ee39c86bf5337963985c1070426e040b921c286333e964e02e021230202933e"`
Dec 01 22:41:26.113 INFO running `"docker" "rm" "-f" "5ee39c86bf5337963985c1070426e040b921c286333e964e02e021230202933e"`
Dec 01 22:41:26.403 INFO [stdout] 5ee39c86bf5337963985c1070426e040b921c286333e964e02e021230202933e
