Nov 28 08:11:53.904 INFO documenting tiny-0.4.3 against try#f5a0bd723553ea4b7556bd7087b9f0919cafb483 for pr-55318
Nov 28 08:11:53.904 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318/worker-6/try#f5a0bd723553ea4b7556bd7087b9f0919cafb483:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 08:11:54.108 INFO [stdout] 546b32b90cdbacf6784a945b3caa8467ac09d288b0afea65fc56504529e80a7c
Nov 28 08:11:54.110 INFO running `"docker" "start" "-a" "546b32b90cdbacf6784a945b3caa8467ac09d288b0afea65fc56504529e80a7c"`
Nov 28 08:11:54.597 INFO [stderr] usermod: no changes
Nov 28 08:11:54.859 INFO [stderr]    Compiling termbox_simple v0.2.2
Nov 28 08:11:54.895 INFO [stderr]     Checking term_input v0.1.5
Nov 28 08:11:54.910 INFO [stderr]     Checking tempfile v3.0.5
Nov 28 08:11:56.539 INFO [stderr]  Documenting tiny v0.4.3 (/source)
Nov 28 08:11:58.376 INFO [stderr] error[E0635]: unknown feature `alloc_system`
Nov 28 08:11:58.376 INFO [stderr]  --> src/lib.rs:2:12
Nov 28 08:11:58.376 INFO [stderr]   |
Nov 28 08:11:58.376 INFO [stderr] 2 | #![feature(alloc_system)]
Nov 28 08:11:58.376 INFO [stderr]   |            ^^^^^^^^^^^^
Nov 28 08:11:58.376 INFO [stderr] 
Nov 28 08:11:58.391 INFO [stderr] error: Compilation failed, aborting rustdoc
Nov 28 08:11:58.391 INFO [stderr] 
Nov 28 08:11:58.423 INFO [stderr] error: Could not document `tiny`.
Nov 28 08:11:58.424 INFO [stderr] 
Nov 28 08:11:58.426 INFO [stderr] Caused by:
Nov 28 08:11:58.426 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-cdb8656cd81d38b7.rmeta --extern dirs=/target/debug/deps/libdirs-0ad3a819857a0aa3.rmeta --extern libc=/target/debug/deps/liblibc-1f48ff2379e7d008.rmeta --extern mio=/target/debug/deps/libmio-0b8f2e5b778ffa5a.rmeta --extern native_tls=/target/debug/deps/libnative_tls-ceab994705f22384.rmeta --extern net2=/target/debug/deps/libnet2-fd88f8ba2f6bd7f9.rmeta --extern notify_rust=/target/debug/deps/libnotify_rust-f1e8f234fe88e8f3.rmeta --extern serde=/target/debug/deps/libserde-5ef784b89c4ae75d.rmeta --extern serde_derive=/target/debug/deps/libserde_derive-d7dcf311ddecdbbb.so --extern serde_yaml=/target/debug/deps/libserde_yaml-fff3ffbbecb622fd.rmeta --extern take_mut=/target/debug/deps/libtake_mut-ff6fa485ed827640.rmeta --extern tempfile=/target/debug/deps/libtempfile-5eee26b964da1cce.rmeta --extern term_input=/target/debug/deps/libterm_input-ecea4e707a55bab4.rmeta --extern termbox_simple=/target/debug/deps/libtermbox_simple-93b109623067c8a0.rmeta --extern time=/target/debug/deps/libtime-edda8bd4f3371383.rmeta --cap-lints=forbid` (exit code: 1)
Nov 28 08:11:58.426 INFO [stderr] su: No module specific data is present
Nov 28 08:11:58.754 INFO running `"docker" "inspect" "546b32b90cdbacf6784a945b3caa8467ac09d288b0afea65fc56504529e80a7c"`
Nov 28 08:11:58.881 INFO running `"docker" "rm" "-f" "546b32b90cdbacf6784a945b3caa8467ac09d288b0afea65fc56504529e80a7c"`
Nov 28 08:11:59.023 INFO [stdout] 546b32b90cdbacf6784a945b3caa8467ac09d288b0afea65fc56504529e80a7c