Dec 01 23:28:03.551 INFO documenting Evanjs/grkcheck against master#147e60c5f89cfa2d3ffc247413956a37582c98e7 for pr-55318-1
Dec 01 23:28:03.551 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318-1/worker-1/master#147e60c5f89cfa2d3ffc247413956a37582c98e7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55318-1/master#147e60c5f89cfa2d3ffc247413956a37582c98e7:/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 +147e60c5f89cfa2d3ffc247413956a37582c98e7-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"`
Dec 01 23:28:03.748 INFO [stdout] 94deb3699baa261f7f7b18fac7066657fd7c40c11fff74426eb27b57cde4da03
Dec 01 23:28:03.750 INFO running `"docker" "start" "-a" "94deb3699baa261f7f7b18fac7066657fd7c40c11fff74426eb27b57cde4da03"`
Dec 01 23:28:04.377 INFO [stderr] usermod: no changes
Dec 01 23:28:04.896 INFO [stderr]    Compiling serde v1.0.27
Dec 01 23:28:04.900 INFO [stderr]    Compiling num-traits v0.2.1
Dec 01 23:28:04.930 INFO [stderr]     Checking memchr v0.1.11
Dec 01 23:28:04.931 INFO [stderr]     Checking dtoa-short v0.3.1
Dec 01 23:28:04.933 INFO [stderr]     Checking debug_unreachable v0.1.1
Dec 01 23:28:04.939 INFO [stderr]    Compiling cssparser v0.23.2
Dec 01 23:28:04.941 INFO [stderr]    Compiling html5ever v0.22.0
Dec 01 23:28:04.944 INFO [stderr]     Checking nix v0.10.0
Dec 01 23:28:05.632 INFO [stderr]     Checking thread-id v2.0.0
Dec 01 23:28:06.108 INFO [stderr]     Checking nix v0.7.0
Dec 01 23:28:06.136 INFO [stderr]     Checking thread_local v0.2.7
Dec 01 23:28:06.268 INFO [stderr]     Checking futf v0.1.3
Dec 01 23:28:08.704 INFO [stderr]     Checking aho-corasick v0.5.3
Dec 01 23:28:08.712 INFO [stderr]     Checking tendril v0.4.0
Dec 01 23:28:09.168 INFO [stderr]    Compiling string_cache v0.7.1
Dec 01 23:28:10.348 INFO [stderr]    Compiling selectors v0.19.0
Dec 01 23:28:10.528 INFO [stderr]    Compiling cssparser-macros v0.3.0
Dec 01 23:28:15.452 INFO [stderr]     Checking regex v0.1.80
Dec 01 23:28:24.636 INFO [stderr]     Checking semver-parser v0.6.2
Dec 01 23:28:26.420 INFO [stderr]     Checking semver v0.4.1
Dec 01 23:28:28.293 INFO [stderr]     Checking linuxver v0.1.0
Dec 01 23:28:36.470 INFO [stderr]    Compiling serde_json v1.0.10
Dec 01 23:28:42.097 INFO [stderr]    Compiling markup5ever v0.7.2
Dec 01 23:28:53.196 INFO [stderr]     Checking kuchiki v0.7.0
Dec 01 23:28:55.418 INFO [stderr]  Documenting krcheck v0.1.0 (/source)
Dec 01 23:29:00.036 INFO [stderr] error[E0635]: unknown feature `alloc_system`
Dec 01 23:29:00.036 INFO [stderr]  --> src/main.rs:1:12
Dec 01 23:29:00.036 INFO [stderr]   |
Dec 01 23:29:00.036 INFO [stderr] 1 | #![feature(alloc_system)]
Dec 01 23:29:00.036 INFO [stderr]   |            ^^^^^^^^^^^^
Dec 01 23:29:00.036 INFO [stderr] 
Dec 01 23:29:00.036 INFO [stderr] error: Compilation failed, aborting rustdoc
Dec 01 23:29:00.036 INFO [stderr] 
Dec 01 23:29:00.085 INFO [stderr] error: Could not document `krcheck`.
Dec 01 23:29:00.085 INFO [stderr] 
Dec 01 23:29:00.085 INFO [stderr] Caused by:
Dec 01 23:29:00.085 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-ae3c05f98529015f.rmeta --extern kuchiki=/target/debug/deps/libkuchiki-eb046eaf8adb86be.rmeta --extern libc=/target/debug/deps/liblibc-91bbf9e6e5b0eaa7.rmeta --extern linuxver=/target/debug/deps/liblinuxver-ecb6f1fb7d88b54a.rmeta --extern nix=/target/debug/deps/libnix-da6415e5237a1be9.rmeta --extern reqwest=/target/debug/deps/libreqwest-450cdcdbf4280800.rmeta --extern semver=/target/debug/deps/libsemver-34a8999f11f13bd7.rmeta --cap-lints=forbid` (exit code: 1)
Dec 01 23:29:00.092 INFO [stderr] su: No module specific data is present
Dec 01 23:29:00.798 INFO running `"docker" "inspect" "94deb3699baa261f7f7b18fac7066657fd7c40c11fff74426eb27b57cde4da03"`
Dec 01 23:29:01.116 INFO running `"docker" "rm" "-f" "94deb3699baa261f7f7b18fac7066657fd7c40c11fff74426eb27b57cde4da03"`
Dec 01 23:29:01.508 INFO [stdout] 94deb3699baa261f7f7b18fac7066657fd7c40c11fff74426eb27b57cde4da03