Dec 18 07:44:57.858 INFO checking Evanjs/grkcheck against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 07:44:57.858 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/Evanjs/grkcheck:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 07:44:58.028 INFO [stdout] f2f4c165a116e2ce353866d893f4a62bc77cea2dc8e965ee3a9bfb3c534730b3
Dec 18 07:44:58.030 INFO running `"docker" "start" "-a" "f2f4c165a116e2ce353866d893f4a62bc77cea2dc8e965ee3a9bfb3c534730b3"`
Dec 18 07:44:58.913 INFO [stderr]    Compiling libc v0.2.38
Dec 18 07:44:58.916 INFO [stderr]    Compiling num-traits v0.2.1
Dec 18 07:44:58.916 INFO [stderr]     Checking iovec v0.1.2
Dec 18 07:44:58.917 INFO [stderr]     Checking memchr v0.1.11
Dec 18 07:44:58.917 INFO [stderr]     Checking num_cpus v1.8.0
Dec 18 07:44:58.917 INFO [stderr]     Checking time v0.1.39
Dec 18 07:44:58.918 INFO [stderr]    Compiling openssl-sys v0.9.27
Dec 18 07:44:58.918 INFO [stderr]     Checking net2 v0.2.32
Dec 18 07:44:59.370 INFO [stderr]     Checking dtoa-short v0.3.1
Dec 18 07:44:59.408 INFO [stderr]     Checking rand v0.3.22
Dec 18 07:44:59.464 INFO [stderr]     Checking bytes v0.4.6
Dec 18 07:44:59.839 INFO [stderr]     Checking aho-corasick v0.5.3
Dec 18 07:45:00.600 INFO [stderr]    Compiling cssparser v0.23.2
Dec 18 07:45:00.608 INFO [stderr]     Checking futures-cpupool v0.1.8
Dec 18 07:45:00.772 INFO [stderr]     Checking mio v0.6.13
Dec 18 07:45:01.816 INFO [stderr]     Checking futf v0.1.3
Dec 18 07:45:01.929 INFO [stderr]     Checking uuid v0.5.1
Dec 18 07:45:02.286 INFO [stderr]     Checking thread-id v2.0.0
Dec 18 07:45:02.844 INFO [stderr]     Checking tokio-io v0.1.5
Dec 18 07:45:02.856 INFO [stderr]     Checking nix v0.10.0
Dec 18 07:45:02.938 INFO [stderr]     Checking nix v0.7.0
Dec 18 07:45:03.240 INFO [stderr]    Compiling rand v0.4.2
Dec 18 07:45:03.243 INFO [stderr]     Checking thread_local v0.2.7
Dec 18 07:45:04.092 INFO [stderr]    Compiling openssl v0.9.24
Dec 18 07:45:04.122 INFO [stderr]     Checking tendril v0.4.0
Dec 18 07:45:04.568 INFO [stderr]    Compiling serde_json v1.0.10
Dec 18 07:45:05.293 INFO [stderr]     Checking tokio-core v0.1.12
Dec 18 07:45:06.000 INFO [stderr]     Checking regex v0.1.80
Dec 18 07:45:09.262 INFO [stderr]     Checking tokio-proto v0.1.1
Dec 18 07:45:09.333 INFO [stderr]    Compiling phf_generator v0.7.21
Dec 18 07:45:10.032 INFO [stderr]     Checking semver-parser v0.6.2
Dec 18 07:45:10.392 INFO [stderr]    Compiling string_cache_codegen v0.4.0
Dec 18 07:45:10.392 INFO [stderr]    Compiling phf_codegen v0.7.21
Dec 18 07:45:11.933 INFO [stderr]     Checking semver v0.4.1
Dec 18 07:45:11.993 INFO [stderr]     Checking native-tls v0.1.5
Dec 18 07:45:16.292 INFO [stderr]     Checking tokio-tls v0.1.4
Dec 18 07:45:16.292 INFO [stderr]    Compiling selectors v0.19.0
Dec 18 07:45:16.310 INFO [stderr]    Compiling mime_guess v2.0.0-alpha.4
Dec 18 07:45:16.402 INFO [stderr]    Compiling cssparser-macros v0.3.0
Dec 18 07:45:16.490 INFO [stderr]     Checking linuxver v0.1.0
Dec 18 07:45:16.973 INFO [stderr]    Compiling string_cache v0.7.1
Dec 18 07:45:19.137 INFO [stderr]    Compiling markup5ever v0.7.2
Dec 18 07:45:22.809 INFO [stderr]     Checking hyper v0.11.21
Dec 18 07:45:43.170 INFO [stderr]     Checking html5ever v0.22.0
Dec 18 07:45:43.190 INFO [stderr]     Checking hyper-tls v0.1.2
Dec 18 07:45:45.188 INFO [stderr]     Checking reqwest v0.8.5
Dec 18 07:45:49.562 INFO [stderr]     Checking kuchiki v0.7.0
Dec 18 07:45:50.756 INFO [stderr]     Checking krcheck v0.1.0 (/opt/crater/workdir)
Dec 18 07:45:53.360 INFO [stderr] error[E0635]: unknown feature `alloc_system`
Dec 18 07:45:53.360 INFO [stderr]  --> src/main.rs:1:12
Dec 18 07:45:53.360 INFO [stderr]   |
Dec 18 07:45:53.360 INFO [stderr] 1 | #![feature(alloc_system)]
Dec 18 07:45:53.360 INFO [stderr]   |            ^^^^^^^^^^^^
Dec 18 07:45:53.360 INFO [stderr] 
Dec 18 07:45:53.368 INFO [stderr] error: aborting due to previous error
Dec 18 07:45:53.368 INFO [stderr] 
Dec 18 07:45:53.368 INFO [stderr] For more information about this error, try `rustc --explain E0635`.
Dec 18 07:45:53.396 INFO [stderr] error: Could not compile `krcheck`.
Dec 18 07:45:53.396 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 18 07:45:53.440 INFO [stderr] error[E0635]: unknown feature `alloc_system`
Dec 18 07:45:53.440 INFO [stderr]  --> src/main.rs:1:12
Dec 18 07:45:53.440 INFO [stderr]   |
Dec 18 07:45:53.440 INFO [stderr] 1 | #![feature(alloc_system)]
Dec 18 07:45:53.440 INFO [stderr]   |            ^^^^^^^^^^^^
Dec 18 07:45:53.440 INFO [stderr] 
Dec 18 07:45:53.448 INFO [stderr] error: aborting due to previous error
Dec 18 07:45:53.448 INFO [stderr] 
Dec 18 07:45:53.448 INFO [stderr] For more information about this error, try `rustc --explain E0635`.
Dec 18 07:45:53.477 INFO [stderr] error: Could not compile `krcheck`.
Dec 18 07:45:53.477 INFO [stderr] 
Dec 18 07:45:53.477 INFO [stderr] To learn more, run the command again with --verbose.
Dec 18 07:45:54.932 INFO running `"docker" "inspect" "f2f4c165a116e2ce353866d893f4a62bc77cea2dc8e965ee3a9bfb3c534730b3"`
Dec 18 07:45:55.276 INFO running `"docker" "rm" "-f" "f2f4c165a116e2ce353866d893f4a62bc77cea2dc8e965ee3a9bfb3c534730b3"`
Dec 18 07:45:55.612 INFO [stdout] f2f4c165a116e2ce353866d893f4a62bc77cea2dc8e965ee3a9bfb3c534730b3