Dec 05 02:27:53.188 INFO checking FredericDesgreniers/rand_field against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 02:27:53.188 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 02:27:53.611 INFO [stdout] d250253fcb8e8283f8dbea171abdb6bd7bfbcff34dc3cc19742e7f184d2ff5a5
Dec 05 02:27:53.619 INFO running `"docker" "start" "-a" "d250253fcb8e8283f8dbea171abdb6bd7bfbcff34dc3cc19742e7f184d2ff5a5"`
Dec 05 02:27:55.109 INFO [stderr] usermod: no changes
Dec 05 02:27:55.251 INFO [stderr]     Checking proc-macro2 v0.4.9
Dec 05 02:27:55.251 INFO [stderr]    Compiling rand v0.5.4
Dec 05 02:27:55.256 INFO [stderr]     Checking rand_field v0.1.0 (/source/rand_field)
Dec 05 02:27:55.267 INFO [stderr]    Compiling syn v0.14.7
Dec 05 02:27:57.256 INFO [stderr] warning: unused import: `rand::Rng`
Dec 05 02:27:57.256 INFO [stderr]  --> rand_field/src/lib.rs:2:5
Dec 05 02:27:57.256 INFO [stderr]   |
Dec 05 02:27:57.256 INFO [stderr] 2 | use rand::Rng;
Dec 05 02:27:57.256 INFO [stderr]   |     ^^^^^^^^^
Dec 05 02:27:57.256 INFO [stderr]   |
Dec 05 02:27:57.256 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 02:27:57.256 INFO [stderr] 
Dec 05 02:27:57.351 INFO [stderr] warning: unused import: `rand::Rng`
Dec 05 02:27:57.351 INFO [stderr]  --> rand_field/src/lib.rs:2:5
Dec 05 02:27:57.351 INFO [stderr]   |
Dec 05 02:27:57.351 INFO [stderr] 2 | use rand::Rng;
Dec 05 02:27:57.351 INFO [stderr]   |     ^^^^^^^^^
Dec 05 02:27:57.351 INFO [stderr]   |
Dec 05 02:27:57.351 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 02:27:57.351 INFO [stderr] 
Dec 05 02:27:58.651 INFO [stderr]     Checking quote v0.6.4
Dec 05 02:28:11.503 INFO [stderr]     Checking rand_field_derive v0.1.0 (/source/rand_field_derive)
Dec 05 02:28:14.615 INFO [stderr] warning: unused import: `Field`
Dec 05 02:28:14.615 INFO [stderr]   --> rand_field_derive/src/lib.rs:11:17
Dec 05 02:28:14.615 INFO [stderr]    |
Dec 05 02:28:14.615 INFO [stderr] 11 | use syn::{Data, Field, Fields, Type};
Dec 05 02:28:14.615 INFO [stderr]    |                 ^^^^^
Dec 05 02:28:14.615 INFO [stderr]    |
Dec 05 02:28:14.615 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 05 02:28:14.615 INFO [stderr] 
Dec 05 02:28:14.615 INFO [stderr] warning: unused import: `proc_macro2::Punct`
Dec 05 02:28:14.615 INFO [stderr]   --> rand_field_derive/src/lib.rs:12:5
Dec 05 02:28:14.615 INFO [stderr]    |
Dec 05 02:28:14.615 INFO [stderr] 12 | use proc_macro2::Punct;
Dec 05 02:28:14.615 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 05 02:28:14.615 INFO [stderr] 
Dec 05 02:28:15.115 INFO [stderr] warning: unused variable: `index`
Dec 05 02:28:15.115 INFO [stderr]   --> rand_field_derive/src/lib.rs:85:13
Dec 05 02:28:15.115 INFO [stderr]    |
Dec 05 02:28:15.115 INFO [stderr] 85 |         let index = rand::thread_rng().gen_range(0, choices.len());
Dec 05 02:28:15.115 INFO [stderr]    |             ^^^^^ help: consider using `_index` instead
Dec 05 02:28:15.135 INFO [stderr]    |
Dec 05 02:28:15.135 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 02:28:15.135 INFO [stderr] 
Dec 05 02:28:15.431 INFO [stderr] warning: unused import: `Field`
Dec 05 02:28:15.431 INFO [stderr]   --> rand_field_derive/src/lib.rs:11:17
Dec 05 02:28:15.432 INFO [stderr]    |
Dec 05 02:28:15.432 INFO [stderr] 11 | use syn::{Data, Field, Fields, Type};
Dec 05 02:28:15.432 INFO [stderr]    |                 ^^^^^
Dec 05 02:28:15.432 INFO [stderr]    |
Dec 05 02:28:15.433 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 05 02:28:15.433 INFO [stderr] 
Dec 05 02:28:15.433 INFO [stderr] warning: unused import: `proc_macro2::Punct`
Dec 05 02:28:15.433 INFO [stderr]   --> rand_field_derive/src/lib.rs:12:5
Dec 05 02:28:15.434 INFO [stderr]    |
Dec 05 02:28:15.434 INFO [stderr] 12 | use proc_macro2::Punct;
Dec 05 02:28:15.434 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 05 02:28:15.434 INFO [stderr] 
Dec 05 02:28:15.683 INFO [stderr] warning: unused variable: `index`
Dec 05 02:28:15.683 INFO [stderr]   --> rand_field_derive/src/lib.rs:85:13
Dec 05 02:28:15.683 INFO [stderr]    |
Dec 05 02:28:15.683 INFO [stderr] 85 |         let index = rand::thread_rng().gen_range(0, choices.len());
Dec 05 02:28:15.683 INFO [stderr]    |             ^^^^^ help: consider using `_index` instead
Dec 05 02:28:15.683 INFO [stderr]    |
Dec 05 02:28:15.683 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 02:28:15.683 INFO [stderr] 
Dec 05 02:28:16.971 INFO [stderr] warning: unused import: `Field`
Dec 05 02:28:16.971 INFO [stderr]   --> rand_field_derive/src/lib.rs:11:17
Dec 05 02:28:16.971 INFO [stderr]    |
Dec 05 02:28:16.971 INFO [stderr] 11 | use syn::{Data, Field, Fields, Type};
Dec 05 02:28:16.971 INFO [stderr]    |                 ^^^^^
Dec 05 02:28:16.971 INFO [stderr]    |
Dec 05 02:28:16.971 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 05 02:28:16.971 INFO [stderr] 
Dec 05 02:28:16.971 INFO [stderr] warning: unused import: `proc_macro2::Punct`
Dec 05 02:28:16.971 INFO [stderr]   --> rand_field_derive/src/lib.rs:12:5
Dec 05 02:28:16.971 INFO [stderr]    |
Dec 05 02:28:16.971 INFO [stderr] 12 | use proc_macro2::Punct;
Dec 05 02:28:16.971 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 05 02:28:16.971 INFO [stderr] 
Dec 05 02:28:17.047 INFO [stderr] warning: unused variable: `index`
Dec 05 02:28:17.047 INFO [stderr]   --> rand_field_derive/src/lib.rs:85:13
Dec 05 02:28:17.047 INFO [stderr]    |
Dec 05 02:28:17.047 INFO [stderr] 85 |         let index = rand::thread_rng().gen_range(0, choices.len());
Dec 05 02:28:17.047 INFO [stderr]    |             ^^^^^ help: consider using `_index` instead
Dec 05 02:28:17.047 INFO [stderr]    |
Dec 05 02:28:17.047 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 02:28:17.048 INFO [stderr] 
Dec 05 02:28:18.477 INFO [stderr]     Checking RandField v0.1.0 (/source)
Dec 05 02:28:19.555 INFO [stderr] warning: the feature `attr_literals` has been stable since 1.30.0 and no longer requires an attribute to enable
Dec 05 02:28:19.555 INFO [stderr]  --> src/main.rs:1:12
Dec 05 02:28:19.555 INFO [stderr]   |
Dec 05 02:28:19.555 INFO [stderr] 1 | #![feature(attr_literals)]
Dec 05 02:28:19.555 INFO [stderr]   |            ^^^^^^^^^^^^^
Dec 05 02:28:19.555 INFO [stderr]   |
Dec 05 02:28:19.555 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 05 02:28:19.555 INFO [stderr] 
Dec 05 02:28:19.555 INFO [stderr] warning: crate `RandField` should have a snake case name such as `rand_field`
Dec 05 02:28:19.555 INFO [stderr]   |
Dec 05 02:28:19.555 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 05 02:28:19.555 INFO [stderr] 
Dec 05 02:28:19.683 INFO [stderr] warning: the feature `attr_literals` has been stable since 1.30.0 and no longer requires an attribute to enable
Dec 05 02:28:19.683 INFO [stderr]  --> src/main.rs:1:12
Dec 05 02:28:19.683 INFO [stderr]   |
Dec 05 02:28:19.683 INFO [stderr] 1 | #![feature(attr_literals)]
Dec 05 02:28:19.683 INFO [stderr]   |            ^^^^^^^^^^^^^
Dec 05 02:28:19.683 INFO [stderr]   |
Dec 05 02:28:19.683 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 05 02:28:19.683 INFO [stderr] 
Dec 05 02:28:19.683 INFO [stderr] warning: crate `RandField` should have a snake case name such as `rand_field`
Dec 05 02:28:19.683 INFO [stderr]   |
Dec 05 02:28:19.683 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 05 02:28:19.683 INFO [stderr] 
Dec 05 02:28:19.711 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.55s
Dec 05 02:28:19.716 INFO [stderr] su: No module specific data is present
Dec 05 02:28:21.221 INFO running `"docker" "inspect" "d250253fcb8e8283f8dbea171abdb6bd7bfbcff34dc3cc19742e7f184d2ff5a5"`
Dec 05 02:28:21.483 INFO running `"docker" "rm" "-f" "d250253fcb8e8283f8dbea171abdb6bd7bfbcff34dc3cc19742e7f184d2ff5a5"`
Dec 05 02:28:21.902 INFO [stdout] d250253fcb8e8283f8dbea171abdb6bd7bfbcff34dc3cc19742e7f184d2ff5a5