Nov 01 20:52:55.149 INFO checking json_errors-0.1.10 against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Nov 01 20:52:55.149 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-7/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 01 20:52:55.384 INFO blam! 4f6bda89f77607cb337d5ba77c0331ff6056a4b0aea7ae9d3a853ee0882478b3
Nov 01 20:52:55.397 INFO running `"docker" "start" "-a" "4f6bda89f77607cb337d5ba77c0331ff6056a4b0aea7ae9d3a853ee0882478b3"`
Nov 01 20:52:56.221 INFO kablam! usermod: no changes
Nov 01 20:52:56.503 INFO kablam!     Checking rocket_contrib v0.3.17
Nov 01 20:52:59.484 INFO kablam!     Checking json_errors v0.1.10 (/source)
Nov 01 20:53:04.361 INFO kablam! warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable
Nov 01 20:53:04.361 INFO kablam!  --> src/lib.rs:1:12
Nov 01 20:53:04.361 INFO kablam!   |
Nov 01 20:53:04.362 INFO kablam! 1 | #![feature(extern_prelude)]
Nov 01 20:53:04.362 INFO kablam!   |            ^^^^^^^^^^^^^^
Nov 01 20:53:04.363 INFO kablam!   |
Nov 01 20:53:04.363 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 01 20:53:04.363 INFO kablam! 
Nov 01 20:53:04.736 INFO kablam! warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable
Nov 01 20:53:04.736 INFO kablam!  --> src/lib.rs:1:12
Nov 01 20:53:04.736 INFO kablam!   |
Nov 01 20:53:04.736 INFO kablam! 1 | #![feature(extern_prelude)]
Nov 01 20:53:04.736 INFO kablam!   |            ^^^^^^^^^^^^^^
Nov 01 20:53:04.736 INFO kablam!   |
Nov 01 20:53:04.736 INFO kablam!   = note: #[warn(stable_features)] on by default
Nov 01 20:53:04.736 INFO kablam! 
Nov 01 20:53:04.776 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 8.52s
Nov 01 20:53:04.796 INFO kablam! su: No module specific data is present
Nov 01 20:53:05.504 INFO running `"docker" "rm" "-f" "4f6bda89f77607cb337d5ba77c0331ff6056a4b0aea7ae9d3a853ee0882478b3"`
Nov 01 20:53:05.760 INFO blam! 4f6bda89f77607cb337d5ba77c0331ff6056a4b0aea7ae9d3a853ee0882478b3