Nov 28 05:45:30.224 INFO documenting Evanjs/grkcheck against try#f5a0bd723553ea4b7556bd7087b9f0919cafb483 for pr-55318
Nov 28 05:45:30.224 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318/worker-1/try#f5a0bd723553ea4b7556bd7087b9f0919cafb483:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55318/try#f5a0bd723553ea4b7556bd7087b9f0919cafb483:/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 +f5a0bd723553ea4b7556bd7087b9f0919cafb483-alt doc --frozen --no-deps --document-private-items" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 28 05:45:30.492 INFO [stdout] 9bdd4620a5e52e6d1da5f5088efbc1a99641bfb452b6b879c348b9f2dda014ac
Nov 28 05:45:30.494 INFO running `"docker" "start" "-a" "9bdd4620a5e52e6d1da5f5088efbc1a99641bfb452b6b879c348b9f2dda014ac"`
Nov 28 05:45:31.074 INFO [stderr] usermod: no changes
Nov 28 05:45:31.415 INFO [stderr]    Compiling libc v0.2.38
Nov 28 05:45:31.419 INFO [stderr]    Compiling num-traits v0.2.1
Nov 28 05:45:31.422 INFO [stderr]     Checking dtoa-short v0.3.1
Nov 28 05:45:31.422 INFO [stderr]     Checking debug_unreachable v0.1.1
Nov 28 05:45:32.075 INFO [stderr]     Checking futf v0.1.3
Nov 28 05:45:32.604 INFO [stderr]     Checking tendril v0.4.0
Nov 28 05:45:32.979 INFO [stderr]     Checking iovec v0.1.2
Nov 28 05:45:33.003 INFO [stderr]     Checking net2 v0.2.32
Nov 28 05:45:33.022 INFO [stderr]     Checking memchr v0.1.11
Nov 28 05:45:33.027 INFO [stderr]     Checking thread-id v2.0.0
Nov 28 05:45:33.027 INFO [stderr]     Checking rand v0.4.2
Nov 28 05:45:33.041 INFO [stderr]     Checking openssl-sys v0.9.27
Nov 28 05:45:33.625 INFO [stderr]     Checking num_cpus v1.8.0
Nov 28 05:45:33.625 INFO [stderr]     Checking time v0.1.39
Nov 28 05:45:33.797 INFO [stderr]     Checking nix v0.7.0
Nov 28 05:45:33.931 INFO [stderr]     Checking thread_local v0.2.7
Nov 28 05:45:34.031 INFO [stderr]    Compiling serde_json v1.0.10
Nov 28 05:45:34.724 INFO [stderr]     Checking aho-corasick v0.5.3
Nov 28 05:45:34.839 INFO [stderr]     Checking bytes v0.4.6
Nov 28 05:45:35.500 INFO [stderr]     Checking mio v0.6.13
Nov 28 05:45:35.954 INFO [stderr]     Checking futures-cpupool v0.1.8
Nov 28 05:45:36.763 INFO [stderr]     Checking openssl v0.9.24
Nov 28 05:45:37.039 INFO [stderr]     Checking rand v0.3.22
Nov 28 05:45:37.803 INFO [stderr]     Checking regex v0.1.80
Nov 28 05:45:37.851 INFO [stderr]     Checking uuid v0.5.1
Nov 28 05:45:38.499 INFO [stderr]     Checking tokio-io v0.1.5
Nov 28 05:45:40.575 INFO [stderr]     Checking nix v0.10.0
Nov 28 05:45:43.865 INFO [stderr]     Checking tokio-core v0.1.12
Nov 28 05:45:47.079 INFO [stderr]     Checking semver-parser v0.6.2
Nov 28 05:45:47.359 INFO [stderr]    Compiling phf_generator v0.7.21
Nov 28 05:45:49.399 INFO [stderr]     Checking semver v0.4.1
Nov 28 05:45:49.907 INFO [stderr]     Checking tokio-proto v0.1.1
Nov 28 05:45:50.091 INFO [stderr]    Compiling string_cache_codegen v0.4.0
Nov 28 05:45:50.092 INFO [stderr]    Compiling phf_codegen v0.7.21
Nov 28 05:45:52.559 INFO [stderr]     Checking linuxver v0.1.0
Nov 28 05:45:52.807 INFO [stderr]     Checking native-tls v0.1.5
Nov 28 05:45:52.879 INFO [stderr]    Compiling cssparser-macros v0.3.0
Nov 28 05:45:52.879 INFO [stderr]    Compiling mime_guess v2.0.0-alpha.4
Nov 28 05:45:52.879 INFO [stderr]    Compiling selectors v0.19.0
Nov 28 05:45:57.767 INFO [stderr]     Checking tokio-tls v0.1.4
Nov 28 05:46:03.339 INFO [stderr]    Compiling string_cache v0.7.1
Nov 28 05:46:03.359 INFO [stderr]    Compiling markup5ever v0.7.2
Nov 28 05:46:06.391 INFO [stderr]     Checking hyper v0.11.21
Nov 28 05:46:11.333 INFO [stderr]     Checking cssparser v0.23.2
Nov 28 05:46:17.515 INFO [stderr]     Checking hyper-tls v0.1.2
Nov 28 05:46:18.077 INFO [stderr]     Checking html5ever v0.22.0
Nov 28 05:46:19.900 INFO [stderr]     Checking reqwest v0.8.5
Nov 28 05:46:22.114 INFO [stderr]     Checking kuchiki v0.7.0
Nov 28 05:46:24.139 INFO [stderr]  Documenting krcheck v0.1.0 (/source)
Nov 28 05:46:27.457 INFO [stderr] error[E0635]: unknown feature `alloc_system`
Nov 28 05:46:27.457 INFO [stderr]  --> src/main.rs:1:12
Nov 28 05:46:27.457 INFO [stderr]   |
Nov 28 05:46:27.457 INFO [stderr] 1 | #![feature(alloc_system)]
Nov 28 05:46:27.457 INFO [stderr]   |            ^^^^^^^^^^^^
Nov 28 05:46:27.457 INFO [stderr] 
Nov 28 05:46:27.457 INFO [stderr] error: Compilation failed, aborting rustdoc
Nov 28 05:46:27.457 INFO [stderr] 
Nov 28 05:46:27.488 INFO [stderr] error: Could not document `krcheck`.
Nov 28 05:46:27.492 INFO [stderr] 
Nov 28 05:46:27.492 INFO [stderr] Caused by:
Nov 28 05:46:27.493 INFO [stderr]   process didn't exit successfully: `rustdoc --crate-name krcheck src/main.rs --color never -o /target/doc --document-private-items -L dependency=/target/debug/deps --extern html5ever=/target/debug/deps/libhtml5ever-c1ddeb7a8c573f0b.rmeta --extern kuchiki=/target/debug/deps/libkuchiki-53b866b07e561bdc.rmeta --extern libc=/target/debug/deps/liblibc-c3fd2cb39fc51ec5.rmeta --extern linuxver=/target/debug/deps/liblinuxver-d0d174b7c6130aef.rmeta --extern nix=/target/debug/deps/libnix-b4128d265a7ec495.rmeta --extern reqwest=/target/debug/deps/libreqwest-6299d219bd567711.rmeta --extern semver=/target/debug/deps/libsemver-85b49576226745e2.rmeta --cap-lints=forbid` (exit code: 1)
Nov 28 05:46:27.493 INFO [stderr] su: No module specific data is present
Nov 28 05:46:27.835 INFO running `"docker" "inspect" "9bdd4620a5e52e6d1da5f5088efbc1a99641bfb452b6b879c348b9f2dda014ac"`
Nov 28 05:46:27.948 INFO running `"docker" "rm" "-f" "9bdd4620a5e52e6d1da5f5088efbc1a99641bfb452b6b879c348b9f2dda014ac"`
Nov 28 05:46:28.059 INFO [stdout] 9bdd4620a5e52e6d1da5f5088efbc1a99641bfb452b6b879c348b9f2dda014ac