Dec 01 20:51:39.318 INFO documenting ThePerkinrex/PercOSv2 against try#f86f76f89ea2b1ccbfb3741962ec2029d878a389 for pr-55318-1
Dec 01 20:51:39.318 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318-1/worker-6/try#f86f76f89ea2b1ccbfb3741962ec2029d878a389:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55318-1/try#f86f76f89ea2b1ccbfb3741962ec2029d878a389:/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 +f86f76f89ea2b1ccbfb3741962ec2029d878a389-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 20:51:40.441 INFO [stdout] a8d218218a01aaf3b4f93b36206f89653dc7b72fa1b849dc422b0b10bf92a1fb
Dec 01 20:51:40.443 INFO running `"docker" "start" "-a" "a8d218218a01aaf3b4f93b36206f89653dc7b72fa1b849dc422b0b10bf92a1fb"`
Dec 01 20:51:40.848 INFO [stderr] usermod: no changes
Dec 01 20:51:40.900 INFO [stderr]     Checking volatile v0.2.4
Dec 01 20:51:40.901 INFO [stderr]     Checking cpuio v0.2.0
Dec 01 20:51:40.901 INFO [stderr]     Checking spin v0.4.9
Dec 01 20:51:41.097 INFO [stderr]  Documenting percos v2.0.0 (/source)
Dec 01 20:51:41.147 INFO [stderr] error[E0557]: feature has been removed
Dec 01 20:51:41.147 INFO [stderr]  --> src/lib.rs:3:12
Dec 01 20:51:41.147 INFO [stderr]   |
Dec 01 20:51:41.148 INFO [stderr] 3 | #![feature(panic_implementation)]
Dec 01 20:51:41.148 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^
Dec 01 20:51:41.148 INFO [stderr]   |
Dec 01 20:51:41.148 INFO [stderr] note: subsumed by `#[panic_handler]`
Dec 01 20:51:41.148 INFO [stderr]  --> src/lib.rs:3:12
Dec 01 20:51:41.148 INFO [stderr]   |
Dec 01 20:51:41.148 INFO [stderr] 3 | #![feature(panic_implementation)]
Dec 01 20:51:41.148 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^
Dec 01 20:51:41.148 INFO [stderr] 
Dec 01 20:51:41.246 INFO [stderr] error: Compilation failed, aborting rustdoc
Dec 01 20:51:41.246 INFO [stderr] 
Dec 01 20:51:41.253 INFO [stderr] error: Could not document `percos`.
Dec 01 20:51:41.253 INFO [stderr] 
Dec 01 20:51:41.253 INFO [stderr] Caused by:
Dec 01 20:51:41.253 INFO [stderr]   process didn't exit successfully: `rustdoc --crate-name percos src/lib.rs --color never -o /target/doc --document-private-items -L dependency=/target/debug/deps --extern cpuio=/target/debug/deps/libcpuio-f893d29414cbbf9c.rmeta --extern multiboot2=/target/debug/deps/libmultiboot2-80b4bd5c0dd12072.rmeta --extern rlibc=/target/debug/deps/librlibc-3d89831ee626acd7.rmeta --extern spin=/target/debug/deps/libspin-d8a567f4059e1f65.rmeta --extern volatile=/target/debug/deps/libvolatile-f3d0709822ea4173.rmeta --cap-lints=forbid` (exit code: 1)
Dec 01 20:51:41.255 INFO [stderr] su: No module specific data is present
Dec 01 20:51:42.197 INFO running `"docker" "inspect" "a8d218218a01aaf3b4f93b36206f89653dc7b72fa1b849dc422b0b10bf92a1fb"`
Dec 01 20:51:42.275 INFO running `"docker" "rm" "-f" "a8d218218a01aaf3b4f93b36206f89653dc7b72fa1b849dc422b0b10bf92a1fb"`
Dec 01 20:51:42.368 INFO [stdout] a8d218218a01aaf3b4f93b36206f89653dc7b72fa1b849dc422b0b10bf92a1fb