Dec 02 17:29:24.235 INFO testing serde-pickle-0.4.1 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 17:29:24.235 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 17:29:24.630 INFO [stdout] c7711473b9a8a16e5d9f439eac06ee018750dfd1508d81b006819ce1062661c8
Dec 02 17:29:24.637 INFO running `"docker" "start" "-a" "c7711473b9a8a16e5d9f439eac06ee018750dfd1508d81b006819ce1062661c8"`
Dec 02 17:29:25.913 INFO [stderr] usermod: no changes
Dec 02 17:29:26.046 INFO [stderr]    Compiling num-bigint v0.1.44
Dec 02 17:29:29.851 INFO [stderr]    Compiling serde-pickle v0.4.1 (/source)
Dec 02 17:29:35.075 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.13s
Dec 02 17:29:35.075 INFO [stderr] su: No module specific data is present
Dec 02 17:29:35.703 INFO running `"docker" "inspect" "c7711473b9a8a16e5d9f439eac06ee018750dfd1508d81b006819ce1062661c8"`
Dec 02 17:29:36.147 INFO running `"docker" "rm" "-f" "c7711473b9a8a16e5d9f439eac06ee018750dfd1508d81b006819ce1062661c8"`
Dec 02 17:29:36.576 INFO [stdout] c7711473b9a8a16e5d9f439eac06ee018750dfd1508d81b006819ce1062661c8
Dec 02 17:29:36.577 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 test --frozen --no-run" "-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 17:29:37.052 INFO [stdout] b01f2cb11a340f87a71f99bef90b6b4b8355e6467a8cd7216d04d98a73db247f
Dec 02 17:29:37.057 INFO running `"docker" "start" "-a" "b01f2cb11a340f87a71f99bef90b6b4b8355e6467a8cd7216d04d98a73db247f"`
Dec 02 17:29:38.285 INFO [stderr] usermod: no changes
Dec 02 17:29:38.447 INFO [stderr]    Compiling serde-pickle v0.4.1 (/source)
Dec 02 17:29:43.055 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 17:29:43.055 INFO [stderr]   --> src/lib.rs:49:19
Dec 02 17:29:43.055 INFO [stderr]    |
Dec 02 17:29:43.055 INFO [stderr] 49 | #![cfg_attr(test, feature(test))]
Dec 02 17:29:43.055 INFO [stderr]    |                   ^^^^^^^^^^^^^
Dec 02 17:29:43.055 INFO [stderr] 
Dec 02 17:29:43.068 INFO [stderr] error: aborting due to previous error
Dec 02 17:29:43.068 INFO [stderr] 
Dec 02 17:29:43.068 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 17:29:43.081 INFO [stderr] error: Could not compile `serde-pickle`.
Dec 02 17:29:43.081 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 02 17:29:43.528 INFO [stderr] error: build failed
Dec 02 17:29:43.535 INFO [stderr] su: No module specific data is present
Dec 02 17:29:43.983 INFO running `"docker" "inspect" "b01f2cb11a340f87a71f99bef90b6b4b8355e6467a8cd7216d04d98a73db247f"`
Dec 02 17:29:44.220 INFO running `"docker" "rm" "-f" "b01f2cb11a340f87a71f99bef90b6b4b8355e6467a8cd7216d04d98a73db247f"`
Dec 02 17:29:44.503 INFO [stdout] b01f2cb11a340f87a71f99bef90b6b4b8355e6467a8cd7216d04d98a73db247f
