Nov 17 15:33:05.646 INFO testing Evanjs/grkcheck against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 17 15:33:05.646 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-7/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt build --frozen" "-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 17 15:33:06.038 INFO [stdout] 531a359329b7572a6546746bbfff03016bbf8f4126d5e0203e84333f29f7ac7d
Nov 17 15:33:06.043 INFO running `"docker" "start" "-a" "531a359329b7572a6546746bbfff03016bbf8f4126d5e0203e84333f29f7ac7d"`
Nov 17 15:33:07.135 INFO [stderr] usermod: no changes
Nov 17 15:33:07.559 INFO [stderr]    Compiling memchr v0.1.11
Nov 17 15:33:07.559 INFO [stderr]    Compiling dtoa-short v0.3.1
Nov 17 15:33:07.578 INFO [stderr]    Compiling nix v0.10.0
Nov 17 15:33:07.578 INFO [stderr]    Compiling serde_derive_internals v0.19.0
Nov 17 15:33:07.578 INFO [stderr]    Compiling futf v0.1.3
Nov 17 15:33:07.578 INFO [stderr]    Compiling thread-id v2.0.0
Nov 17 15:33:07.578 INFO [stderr]    Compiling nix v0.7.0
Nov 17 15:33:07.578 INFO [stderr]    Compiling string_cache v0.7.1
Nov 17 15:33:10.143 INFO [stderr]    Compiling selectors v0.19.0
Nov 17 15:33:10.171 INFO [stderr]    Compiling cssparser-macros v0.3.0
Nov 17 15:33:11.767 INFO [stderr]    Compiling thread_local v0.2.7
Nov 17 15:33:11.811 INFO [stderr]    Compiling aho-corasick v0.5.3
Nov 17 15:33:14.639 INFO [stderr]    Compiling tendril v0.4.0
Nov 17 15:33:21.747 INFO [stderr]    Compiling regex v0.1.80
Nov 17 15:33:22.124 INFO [stderr]    Compiling serde_derive v1.0.27
Nov 17 15:33:27.415 INFO [stderr]    Compiling cssparser v0.23.2
Nov 17 15:33:33.831 INFO [stderr]    Compiling semver-parser v0.6.2
Nov 17 15:33:37.691 INFO [stderr]    Compiling semver v0.4.1
Nov 17 15:33:39.839 INFO [stderr]    Compiling markup5ever v0.7.2
Nov 17 15:33:40.979 INFO [stderr]    Compiling linuxver v0.1.0
Nov 17 15:33:53.700 INFO [stderr]    Compiling html5ever v0.22.0
Nov 17 15:33:58.061 INFO [stderr]    Compiling kuchiki v0.7.0
Nov 17 15:34:01.959 INFO [stderr]    Compiling krcheck v0.1.0 (/source)
Nov 17 15:34:07.963 INFO [stderr] error[E0635]: unknown feature `alloc_system`
Nov 17 15:34:07.963 INFO [stderr]  --> src/main.rs:1:12
Nov 17 15:34:07.963 INFO [stderr]   |
Nov 17 15:34:07.963 INFO [stderr] 1 | #![feature(alloc_system)]
Nov 17 15:34:07.963 INFO [stderr]   |            ^^^^^^^^^^^^
Nov 17 15:34:07.963 INFO [stderr] 
Nov 17 15:34:07.967 INFO [stderr] error: aborting due to previous error
Nov 17 15:34:07.967 INFO [stderr] 
Nov 17 15:34:07.967 INFO [stderr] For more information about this error, try `rustc --explain E0635`.
Nov 17 15:34:08.007 INFO [stderr] error: Could not compile `krcheck`.
Nov 17 15:34:08.011 INFO [stderr] 
Nov 17 15:34:08.011 INFO [stderr] To learn more, run the command again with --verbose.
Nov 17 15:34:08.015 INFO [stderr] su: No module specific data is present
Nov 17 15:34:08.737 INFO running `"docker" "inspect" "531a359329b7572a6546746bbfff03016bbf8f4126d5e0203e84333f29f7ac7d"`
Nov 17 15:34:09.047 INFO running `"docker" "rm" "-f" "531a359329b7572a6546746bbfff03016bbf8f4126d5e0203e84333f29f7ac7d"`
Nov 17 15:34:09.362 INFO [stdout] 531a359329b7572a6546746bbfff03016bbf8f4126d5e0203e84333f29f7ac7d