Dec 06 14:10:53.315 INFO testing Evanjs/grkcheck against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 06 14:10:53.315 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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"`
Dec 06 14:10:53.523 INFO [stdout] 100d225164256dda03a07b3b9028c0c57d9156f8a170dcf44aeb4b23a2597dc0
Dec 06 14:10:53.526 INFO running `"docker" "start" "-a" "100d225164256dda03a07b3b9028c0c57d9156f8a170dcf44aeb4b23a2597dc0"`
Dec 06 14:10:54.068 INFO [stderr] usermod: no changes
Dec 06 14:10:54.349 INFO [stderr]    Compiling openssl-sys v0.9.27
Dec 06 14:10:54.349 INFO [stderr]    Compiling serde_json v1.0.10
Dec 06 14:10:54.349 INFO [stderr]    Compiling dtoa-short v0.3.1
Dec 06 14:10:54.356 INFO [stderr]    Compiling uuid v0.5.1
Dec 06 14:10:54.356 INFO [stderr]    Compiling nix v0.7.0
Dec 06 14:10:54.356 INFO [stderr]    Compiling phf_generator v0.7.21
Dec 06 14:10:54.356 INFO [stderr]    Compiling hyper v0.11.21
Dec 06 14:10:54.356 INFO [stderr]    Compiling semver-parser v0.6.2
Dec 06 14:10:57.645 INFO [stderr]    Compiling string_cache_codegen v0.4.0
Dec 06 14:10:57.645 INFO [stderr]    Compiling phf_codegen v0.7.21
Dec 06 14:10:58.988 INFO [stderr]    Compiling mime_guess v2.0.0-alpha.4
Dec 06 14:10:59.032 INFO [stderr]    Compiling selectors v0.19.0
Dec 06 14:10:59.047 INFO [stderr]    Compiling cssparser-macros v0.3.0
Dec 06 14:11:05.457 INFO [stderr]    Compiling openssl v0.9.24
Dec 06 14:11:05.475 INFO [stderr]    Compiling semver v0.4.1
Dec 06 14:11:05.480 INFO [stderr]    Compiling string_cache v0.7.1
Dec 06 14:11:05.580 INFO [stderr]    Compiling markup5ever v0.7.2
Dec 06 14:11:07.007 INFO [stderr]    Compiling cssparser v0.23.2
Dec 06 14:11:08.924 INFO [stderr]    Compiling linuxver v0.1.0
Dec 06 14:11:16.400 INFO [stderr]    Compiling native-tls v0.1.5
Dec 06 14:11:21.124 INFO [stderr]    Compiling tokio-tls v0.1.4
Dec 06 14:11:24.300 INFO [stderr]    Compiling hyper-tls v0.1.2
Dec 06 14:11:28.252 INFO [stderr]    Compiling html5ever v0.22.0
Dec 06 14:11:29.970 INFO [stderr]    Compiling reqwest v0.8.5
Dec 06 14:11:34.440 INFO [stderr]    Compiling kuchiki v0.7.0
Dec 06 14:11:45.135 INFO [stderr]    Compiling krcheck v0.1.0 (/source)
Dec 06 14:11:50.592 INFO [stderr] error[E0635]: unknown feature `alloc_system`
Dec 06 14:11:50.592 INFO [stderr]  --> src/main.rs:1:12
Dec 06 14:11:50.592 INFO [stderr]   |
Dec 06 14:11:50.592 INFO [stderr] 1 | #![feature(alloc_system)]
Dec 06 14:11:50.592 INFO [stderr]   |            ^^^^^^^^^^^^
Dec 06 14:11:50.592 INFO [stderr] 
Dec 06 14:11:50.600 INFO [stderr] error: aborting due to previous error
Dec 06 14:11:50.600 INFO [stderr] 
Dec 06 14:11:50.600 INFO [stderr] For more information about this error, try `rustc --explain E0635`.
Dec 06 14:11:50.624 INFO [stderr] error: Could not compile `krcheck`.
Dec 06 14:11:50.624 INFO [stderr] 
Dec 06 14:11:50.624 INFO [stderr] To learn more, run the command again with --verbose.
Dec 06 14:11:50.626 INFO [stderr] su: No module specific data is present
Dec 06 14:11:51.320 INFO running `"docker" "inspect" "100d225164256dda03a07b3b9028c0c57d9156f8a170dcf44aeb4b23a2597dc0"`
Dec 06 14:11:51.552 INFO running `"docker" "rm" "-f" "100d225164256dda03a07b3b9028c0c57d9156f8a170dcf44aeb4b23a2597dc0"`
Dec 06 14:11:51.824 INFO [stdout] 100d225164256dda03a07b3b9028c0c57d9156f8a170dcf44aeb4b23a2597dc0