Dec 02 08:30:31.560 INFO testing DR-BoneZ/borker-rs against 1.30.1 for beta-1.31-5
Dec 02 08:30:31.560 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-7/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 02 08:30:32.070 INFO [stdout] a4be479d66f4bd4969ce4eccc526419d135d261cbedcd635b1bdb6580550ec7f
Dec 02 08:30:32.079 INFO running `"docker" "start" "-a" "a4be479d66f4bd4969ce4eccc526419d135d261cbedcd635b1bdb6580550ec7f"`
Dec 02 08:30:32.879 INFO [stderr] usermod: no changes
Dec 02 08:30:33.166 INFO [stderr]    Compiling wasm-bindgen v0.2.28
Dec 02 08:30:33.203 INFO [stderr]    Compiling rand v0.4.3
Dec 02 08:30:33.203 INFO [stderr]    Compiling half v1.3.0
Dec 02 08:30:33.203 INFO [stderr]    Compiling base58 v0.1.0
Dec 02 08:30:33.203 INFO [stderr]    Compiling generic-array v0.8.3
Dec 02 08:30:33.203 INFO [stderr]    Compiling rand v0.6.0
Dec 02 08:30:33.203 INFO [stderr]    Compiling serde_bytes v0.10.4
Dec 02 08:30:33.203 INFO [stderr]    Compiling syn v0.15.21
Dec 02 08:30:36.315 INFO [stderr]    Compiling crypto-mac v0.4.0
Dec 02 08:30:36.423 INFO [stderr]    Compiling digest v0.6.2
Dec 02 08:30:38.061 INFO [stderr]    Compiling block-buffer v0.2.0
Dec 02 08:30:38.061 INFO [stderr]    Compiling pbkdf2 v0.3.0
Dec 02 08:30:38.061 INFO [stderr]    Compiling ripemd160 v0.8.0
Dec 02 08:30:38.083 INFO [stderr]    Compiling serde_cbor v0.9.0
Dec 02 08:30:38.243 INFO [stderr]    Compiling hmac v0.4.2
Dec 02 08:30:39.531 INFO [stderr]    Compiling hmac-drbg v0.1.2
Dec 02 08:30:40.163 INFO [stderr]    Compiling sha2 v0.6.0
Dec 02 08:30:42.243 INFO [stderr]    Compiling libsecp256k1 v0.2.1
Dec 02 08:31:04.161 INFO [stderr]    Compiling wasm-bindgen-backend v0.2.28
Dec 02 08:31:04.162 INFO [stderr]    Compiling synstructure v0.10.1
Dec 02 08:31:04.162 INFO [stderr]    Compiling serde_derive v1.0.80
Dec 02 08:31:12.729 INFO [stderr]    Compiling failure_derive v0.1.3
Dec 02 08:31:17.399 INFO [stderr]    Compiling wasm-bindgen-macro-support v0.2.28
Dec 02 08:31:20.243 INFO [stderr]    Compiling failure v0.1.3
Dec 02 08:31:26.045 INFO [stderr]    Compiling wasm-bindgen-macro v0.2.28
Dec 02 08:31:30.888 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 08:31:30.888 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/wasm-bindgen-0.2.28/src/lib.rs:10:34
Dec 02 08:31:30.888 INFO [stderr]    |
Dec 02 08:31:30.888 INFO [stderr] 10 | #![cfg_attr(feature = "nightly", feature(unsize))]
Dec 02 08:31:30.888 INFO [stderr]    |                                  ^^^^^^^^^^^^^^^^
Dec 02 08:31:30.888 INFO [stderr] 
Dec 02 08:31:30.899 INFO [stderr] error: aborting due to previous error
Dec 02 08:31:30.899 INFO [stderr] 
Dec 02 08:31:30.899 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 08:31:30.909 INFO [stderr] error: Could not compile `wasm-bindgen`.
Dec 02 08:31:30.911 INFO [stderr] 
Dec 02 08:31:30.911 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 08:31:30.911 INFO [stderr] su: No module specific data is present
Dec 02 08:31:31.350 INFO running `"docker" "inspect" "a4be479d66f4bd4969ce4eccc526419d135d261cbedcd635b1bdb6580550ec7f"`
Dec 02 08:31:31.655 INFO running `"docker" "rm" "-f" "a4be479d66f4bd4969ce4eccc526419d135d261cbedcd635b1bdb6580550ec7f"`
Dec 02 08:31:31.903 INFO [stdout] a4be479d66f4bd4969ce4eccc526419d135d261cbedcd635b1bdb6580550ec7f