Dec 02 17:22:24.245 INFO testing serde_json_experimental-1.0.29-rc1 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 17:22:24.245 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 02 17:22:24.602 INFO [stdout] cb97a855d303273cb1fff5cf296a7263a57ed3d6736312555ddd60dd861d0c35
Dec 02 17:22:24.604 INFO running `"docker" "start" "-a" "cb97a855d303273cb1fff5cf296a7263a57ed3d6736312555ddd60dd861d0c35"`
Dec 02 17:22:26.358 INFO [stderr] usermod: no changes
Dec 02 17:22:26.499 INFO [stderr]    Compiling serde_json_experimental v1.0.29-rc1 (/source)
Dec 02 17:22:31.163 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.78s
Dec 02 17:22:31.165 INFO [stderr] su: No module specific data is present
Dec 02 17:22:32.448 INFO running `"docker" "inspect" "cb97a855d303273cb1fff5cf296a7263a57ed3d6736312555ddd60dd861d0c35"`
Dec 02 17:22:32.708 INFO running `"docker" "rm" "-f" "cb97a855d303273cb1fff5cf296a7263a57ed3d6736312555ddd60dd861d0c35"`
Dec 02 17:22:33.073 INFO [stdout] cb97a855d303273cb1fff5cf296a7263a57ed3d6736312555ddd60dd861d0c35
Dec 02 17:22:33.076 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 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 17:22:33.582 INFO [stdout] f54c91f55c51673c1e44c029dd769465a4a11193272d44c9cb6c48a0cc181fe5
Dec 02 17:22:33.589 INFO running `"docker" "start" "-a" "f54c91f55c51673c1e44c029dd769465a4a11193272d44c9cb6c48a0cc181fe5"`
Dec 02 17:22:34.654 INFO [stderr] usermod: no changes
Dec 02 17:22:34.779 INFO [stderr]    Compiling compiletest_rs v0.3.17
Dec 02 17:22:41.787 INFO [stderr] error[E0433]: failed to resolve: could not find `RunIgnored` in `test`
Dec 02 17:22:41.787 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/compiletest_rs-0.3.17/src/lib.rs:100:52
Dec 02 17:22:41.787 INFO [stderr]     |
Dec 02 17:22:41.787 INFO [stderr] 100 |         run_ignored: if config.run_ignored { test::RunIgnored::Yes } else { test::RunIgnored::No },
Dec 02 17:22:41.787 INFO [stderr]     |                                                    ^^^^^^^^^^ could not find `RunIgnored` in `test`
Dec 02 17:22:41.787 INFO [stderr] 
Dec 02 17:22:41.787 INFO [stderr] error[E0433]: failed to resolve: could not find `RunIgnored` in `test`
Dec 02 17:22:41.787 INFO [stderr]    --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/compiletest_rs-0.3.17/src/lib.rs:100:83
Dec 02 17:22:41.787 INFO [stderr]     |
Dec 02 17:22:41.787 INFO [stderr] 100 |         run_ignored: if config.run_ignored { test::RunIgnored::Yes } else { test::RunIgnored::No },
Dec 02 17:22:41.787 INFO [stderr]     |                                                                                   ^^^^^^^^^^ could not find `RunIgnored` in `test`
Dec 02 17:22:41.787 INFO [stderr] 
Dec 02 17:22:41.791 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 17:22:41.791 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/compiletest_rs-0.3.17/src/lib.rs:13:39
Dec 02 17:22:41.791 INFO [stderr]    |
Dec 02 17:22:41.791 INFO [stderr] 13 | #![cfg_attr(not(feature = "norustc"), feature(rustc_private))]
Dec 02 17:22:41.791 INFO [stderr]    |                                       ^^^^^^^^^^^^^^^^^^^^^^
Dec 02 17:22:41.791 INFO [stderr] 
Dec 02 17:22:41.791 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 17:22:41.791 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/compiletest_rs-0.3.17/src/lib.rs:14:38
Dec 02 17:22:41.791 INFO [stderr]    |
Dec 02 17:22:41.791 INFO [stderr] 14 | #![cfg_attr(not(feature = "stable"), feature(test))]
Dec 02 17:22:41.791 INFO [stderr]    |                                      ^^^^^^^^^^^^^
Dec 02 17:22:41.791 INFO [stderr] 
Dec 02 17:22:41.799 INFO [stderr] error: aborting due to 4 previous errors
Dec 02 17:22:41.799 INFO [stderr] 
Dec 02 17:22:41.799 INFO [stderr] Some errors occurred: E0433, E0554.
Dec 02 17:22:41.799 INFO [stderr] For more information about an error, try `rustc --explain E0433`.
Dec 02 17:22:41.822 INFO [stderr] error: Could not compile `compiletest_rs`.
Dec 02 17:22:41.822 INFO [stderr] 
Dec 02 17:22:41.822 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 17:22:41.825 INFO [stderr] su: No module specific data is present
Dec 02 17:22:42.689 INFO running `"docker" "inspect" "f54c91f55c51673c1e44c029dd769465a4a11193272d44c9cb6c48a0cc181fe5"`
Dec 02 17:22:42.881 INFO running `"docker" "rm" "-f" "f54c91f55c51673c1e44c029dd769465a4a11193272d44c9cb6c48a0cc181fe5"`
Dec 02 17:22:43.131 INFO [stdout] f54c91f55c51673c1e44c029dd769465a4a11193272d44c9cb6c48a0cc181fe5