Dec 02 01:53:02.909 INFO documenting tiny-0.4.3 against master#147e60c5f89cfa2d3ffc247413956a37582c98e7 for pr-55318-1
Dec 02 01:53:02.909 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318-1/worker-7/master#147e60c5f89cfa2d3ffc247413956a37582c98e7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 02 01:53:03.339 INFO [stdout] 4cefd4e77056bcb93930ca104b98c576798963d16fba2d66c8c94005fde26e14
Dec 02 01:53:03.342 INFO running `"docker" "start" "-a" "4cefd4e77056bcb93930ca104b98c576798963d16fba2d66c8c94005fde26e14"`
Dec 02 01:53:04.080 INFO [stderr] usermod: no changes
Dec 02 01:53:04.376 INFO [stderr]    Compiling termbox_simple v0.2.2
Dec 02 01:53:04.380 INFO [stderr]     Checking serde_yaml v0.7.5
Dec 02 01:53:04.380 INFO [stderr]     Checking nix v0.7.0
Dec 02 01:53:04.380 INFO [stderr]     Checking dbus v0.6.3
Dec 02 01:53:07.762 INFO [stderr]     Checking term_input v0.1.5
Dec 02 01:53:08.496 INFO [stderr]     Checking notify-rust v3.5.0
Dec 02 01:53:09.421 INFO [stderr]  Documenting tiny v0.4.3 (/source)
Dec 02 01:53:11.786 INFO [stderr] error[E0635]: unknown feature `alloc_system`
Dec 02 01:53:11.786 INFO [stderr]  --> src/lib.rs:2:12
Dec 02 01:53:11.786 INFO [stderr]   |
Dec 02 01:53:11.786 INFO [stderr] 2 | #![feature(alloc_system)]
Dec 02 01:53:11.786 INFO [stderr]   |            ^^^^^^^^^^^^
Dec 02 01:53:11.786 INFO [stderr] 
Dec 02 01:53:11.805 INFO [stderr] error: Compilation failed, aborting rustdoc
Dec 02 01:53:11.805 INFO [stderr] 
Dec 02 01:53:11.853 INFO [stderr] error: Could not document `tiny`.
Dec 02 01:53:11.853 INFO [stderr] 
Dec 02 01:53:11.853 INFO [stderr] Caused by:
Dec 02 01:53:11.853 INFO [stderr]   process didn't exit successfully: `rustdoc --crate-name tiny src/lib.rs --color never -o /target/doc --document-private-items -L dependency=/target/debug/deps --extern base64=/target/debug/deps/libbase64-1357416a2969aba3.rmeta --extern dirs=/target/debug/deps/libdirs-be88dd0fa49ba6b1.rmeta --extern libc=/target/debug/deps/liblibc-570e5809d01e6676.rmeta --extern mio=/target/debug/deps/libmio-68a04a92bf5023f3.rmeta --extern native_tls=/target/debug/deps/libnative_tls-df2fcfd4db5574ae.rmeta --extern net2=/target/debug/deps/libnet2-6358b563efa5f467.rmeta --extern notify_rust=/target/debug/deps/libnotify_rust-0c2fc682dac92583.rmeta --extern serde=/target/debug/deps/libserde-a14ae5dd3e7d11ec.rmeta --extern serde_derive=/target/debug/deps/libserde_derive-947150f6deadac7e.so --extern serde_yaml=/target/debug/deps/libserde_yaml-4a15266194491663.rmeta --extern take_mut=/target/debug/deps/libtake_mut-c3efa7cb9b853cc2.rmeta --extern tempfile=/target/debug/deps/libtempfile-0f798e39c623c6bf.rmeta --extern term_input=/target/debug/deps/libterm_input-3e4ca0b66f38cfa7.rmeta --extern termbox_simple=/target/debug/deps/libtermbox_simple-cb225d845fda15e7.rmeta --extern time=/target/debug/deps/libtime-782d3e3b3bccf225.rmeta --cap-lints=forbid` (exit code: 1)
Dec 02 01:53:11.853 INFO [stderr] su: No module specific data is present
Dec 02 01:53:12.422 INFO running `"docker" "inspect" "4cefd4e77056bcb93930ca104b98c576798963d16fba2d66c8c94005fde26e14"`
Dec 02 01:53:12.554 INFO running `"docker" "rm" "-f" "4cefd4e77056bcb93930ca104b98c576798963d16fba2d66c8c94005fde26e14"`
Dec 02 01:53:12.719 INFO [stdout] 4cefd4e77056bcb93930ca104b98c576798963d16fba2d66c8c94005fde26e14