Dec 01 23:20:30.029 INFO documenting FredericDesgreniers/rand_field against master#147e60c5f89cfa2d3ffc247413956a37582c98e7 for pr-55318-1
Dec 01 23:20:30.030 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318-1/worker-2/master#147e60c5f89cfa2d3ffc247413956a37582c98e7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 23:20:30.432 INFO [stdout] 4e9206dfe883a102f89aeedf8a344abb504b1332be5ac4f89006f15f1784e17d
Dec 01 23:20:30.440 INFO running `"docker" "start" "-a" "4e9206dfe883a102f89aeedf8a344abb504b1332be5ac4f89006f15f1784e17d"`
Dec 01 23:20:31.968 INFO [stderr] usermod: no changes
Dec 01 23:20:32.068 INFO [stderr]    Compiling rand v0.5.4
Dec 01 23:20:32.068 INFO [stderr]     Checking rand_field v0.1.0 (/source/rand_field)
Dec 01 23:20:32.076 INFO [stderr]    Compiling syn v0.14.7
Dec 01 23:20:33.008 INFO [stderr] warning: unused import: `rand::Rng`
Dec 01 23:20:33.008 INFO [stderr]  --> rand_field/src/lib.rs:2:5
Dec 01 23:20:33.008 INFO [stderr]   |
Dec 01 23:20:33.008 INFO [stderr] 2 | use rand::Rng;
Dec 01 23:20:33.008 INFO [stderr]   |     ^^^^^^^^^
Dec 01 23:20:33.008 INFO [stderr]   |
Dec 01 23:20:33.008 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 01 23:20:33.008 INFO [stderr] 
Dec 01 23:20:46.504 INFO [stderr]    Compiling rand_field_derive v0.1.0 (/source/rand_field_derive)
Dec 01 23:20:48.480 INFO [stderr] warning: unused import: `Field`
Dec 01 23:20:48.481 INFO [stderr]   --> rand_field_derive/src/lib.rs:11:17
Dec 01 23:20:48.481 INFO [stderr]    |
Dec 01 23:20:48.481 INFO [stderr] 11 | use syn::{Data, Field, Fields, Type};
Dec 01 23:20:48.481 INFO [stderr]    |                 ^^^^^
Dec 01 23:20:48.482 INFO [stderr]    |
Dec 01 23:20:48.482 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 01 23:20:48.482 INFO [stderr] 
Dec 01 23:20:48.482 INFO [stderr] warning: unused import: `proc_macro2::Punct`
Dec 01 23:20:48.482 INFO [stderr]   --> rand_field_derive/src/lib.rs:12:5
Dec 01 23:20:48.482 INFO [stderr]    |
Dec 01 23:20:48.482 INFO [stderr] 12 | use proc_macro2::Punct;
Dec 01 23:20:48.483 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 01 23:20:48.483 INFO [stderr] 
Dec 01 23:20:48.594 INFO [stderr] warning: unused variable: `index`
Dec 01 23:20:48.594 INFO [stderr]   --> rand_field_derive/src/lib.rs:85:13
Dec 01 23:20:48.594 INFO [stderr]    |
Dec 01 23:20:48.595 INFO [stderr] 85 |         let index = rand::thread_rng().gen_range(0, choices.len());
Dec 01 23:20:48.595 INFO [stderr]    |             ^^^^^ help: consider using `_index` instead
Dec 01 23:20:48.595 INFO [stderr]    |
Dec 01 23:20:48.595 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 01 23:20:48.595 INFO [stderr] 
Dec 01 23:20:49.908 INFO [stderr]  Documenting RandField v0.1.0 (/source)
Dec 01 23:20:51.852 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.85s
Dec 01 23:20:51.856 INFO [stderr] su: No module specific data is present
Dec 01 23:20:52.563 INFO running `"docker" "inspect" "4e9206dfe883a102f89aeedf8a344abb504b1332be5ac4f89006f15f1784e17d"`
Dec 01 23:20:52.946 INFO running `"docker" "rm" "-f" "4e9206dfe883a102f89aeedf8a344abb504b1332be5ac4f89006f15f1784e17d"`
Dec 01 23:20:53.172 INFO [stdout] 4e9206dfe883a102f89aeedf8a344abb504b1332be5ac4f89006f15f1784e17d