Dec 19 15:20:04.891 INFO checking jcushman/grep_caselaw against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 15:20:04.891 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/jcushman/grep_caselaw:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 15:20:05.365 INFO [stdout] 2d5c8b0c94e1d6a2052c82ec1f57d2c01362b35eb85829eee894c5cc71a934ef
Dec 19 15:20:05.368 INFO running `"docker" "start" "-a" "2d5c8b0c94e1d6a2052c82ec1f57d2c01362b35eb85829eee894c5cc71a934ef"`
Dec 19 15:20:07.240 INFO [stderr]    Compiling redis v0.8.0
Dec 19 15:20:07.252 INFO [stderr]     Checking rayon-core v1.4.0
Dec 19 15:20:09.344 INFO [stderr]     Checking rayon v1.0.1
Dec 19 15:20:13.964 INFO [stderr]     Checking grep_caselaw v0.1.0 (/opt/crater/workdir)
Dec 19 15:20:14.740 INFO [stderr] warning: unused import: `SubCommand`
Dec 19 15:20:14.740 INFO [stderr]  --> src/main.rs:9:22
Dec 19 15:20:14.740 INFO [stderr]   |
Dec 19 15:20:14.740 INFO [stderr] 9 | use clap::{Arg, App, SubCommand};
Dec 19 15:20:14.740 INFO [stderr]   |                      ^^^^^^^^^^
Dec 19 15:20:14.740 INFO [stderr]   |
Dec 19 15:20:14.740 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 15:20:14.740 INFO [stderr] 
Dec 19 15:20:14.740 INFO [stderr] warning: unused import: `rayon::iter::Map as RayonMap`
Dec 19 15:20:14.740 INFO [stderr]   --> src/main.rs:12:5
Dec 19 15:20:14.740 INFO [stderr]    |
Dec 19 15:20:14.740 INFO [stderr] 12 | use rayon::iter::Map as RayonMap;
Dec 19 15:20:14.740 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:20:14.740 INFO [stderr] 
Dec 19 15:20:14.740 INFO [stderr] warning: unused import: `regex::Captures`
Dec 19 15:20:14.741 INFO [stderr]   --> src/main.rs:14:5
Dec 19 15:20:14.741 INFO [stderr]    |
Dec 19 15:20:14.741 INFO [stderr] 14 | use regex::Captures;
Dec 19 15:20:14.741 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 19 15:20:14.741 INFO [stderr] 
Dec 19 15:20:14.741 INFO [stderr] warning: unused imports: `Error`, `Value`
Dec 19 15:20:14.741 INFO [stderr]   --> src/main.rs:16:18
Dec 19 15:20:14.741 INFO [stderr]    |
Dec 19 15:20:14.741 INFO [stderr] 16 | use serde_json::{Value, Error};
Dec 19 15:20:14.741 INFO [stderr]    |                  ^^^^^  ^^^^^
Dec 19 15:20:14.741 INFO [stderr] 
Dec 19 15:20:14.741 INFO [stderr] warning: unused import: `std::path::PathBuf`
Dec 19 15:20:14.741 INFO [stderr]   --> src/main.rs:21:5
Dec 19 15:20:14.741 INFO [stderr]    |
Dec 19 15:20:14.741 INFO [stderr] 21 | use std::path::PathBuf;
Dec 19 15:20:14.741 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 19 15:20:14.741 INFO [stderr] 
Dec 19 15:20:14.741 INFO [stderr] warning: unused import: `std::iter::Map`
Dec 19 15:20:14.741 INFO [stderr]   --> src/main.rs:22:5
Dec 19 15:20:14.741 INFO [stderr]    |
Dec 19 15:20:14.741 INFO [stderr] 22 | use std::iter::Map;
Dec 19 15:20:14.741 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 19 15:20:14.741 INFO [stderr] 
Dec 19 15:20:14.741 INFO [stderr] warning: unused import: `glob::GlobResult`
Dec 19 15:20:14.741 INFO [stderr]   --> src/main.rs:23:5
Dec 19 15:20:14.741 INFO [stderr]    |
Dec 19 15:20:14.741 INFO [stderr] 23 | use glob::GlobResult;
Dec 19 15:20:14.741 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 19 15:20:14.741 INFO [stderr] 
Dec 19 15:20:14.741 INFO [stderr] warning: unused import: `rayon::iter::plumbing::Producer`
Dec 19 15:20:14.741 INFO [stderr]   --> src/main.rs:24:5
Dec 19 15:20:14.741 INFO [stderr]    |
Dec 19 15:20:14.741 INFO [stderr] 24 | use rayon::iter::plumbing::Producer;
Dec 19 15:20:14.741 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:20:14.741 INFO [stderr] 
Dec 19 15:20:14.741 INFO [stderr] warning: unused import: `std::str::from_utf8_unchecked`
Dec 19 15:20:14.741 INFO [stderr]   --> src/main.rs:26:5
Dec 19 15:20:14.741 INFO [stderr]    |
Dec 19 15:20:14.741 INFO [stderr] 26 | use std::str::from_utf8_unchecked;
Dec 19 15:20:14.741 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:20:14.741 INFO [stderr] 
Dec 19 15:20:14.768 INFO [stderr] warning: unused import: `SubCommand`
Dec 19 15:20:14.768 INFO [stderr]  --> src/main.rs:9:22
Dec 19 15:20:14.768 INFO [stderr]   |
Dec 19 15:20:14.768 INFO [stderr] 9 | use clap::{Arg, App, SubCommand};
Dec 19 15:20:14.768 INFO [stderr]   |                      ^^^^^^^^^^
Dec 19 15:20:14.768 INFO [stderr]   |
Dec 19 15:20:14.768 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 15:20:14.768 INFO [stderr] 
Dec 19 15:20:14.768 INFO [stderr] warning: unused import: `rayon::iter::Map as RayonMap`
Dec 19 15:20:14.768 INFO [stderr]   --> src/main.rs:12:5
Dec 19 15:20:14.768 INFO [stderr]    |
Dec 19 15:20:14.768 INFO [stderr] 12 | use rayon::iter::Map as RayonMap;
Dec 19 15:20:14.768 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:20:14.768 INFO [stderr] 
Dec 19 15:20:14.768 INFO [stderr] warning: unused import: `regex::Captures`
Dec 19 15:20:14.768 INFO [stderr]   --> src/main.rs:14:5
Dec 19 15:20:14.768 INFO [stderr]    |
Dec 19 15:20:14.768 INFO [stderr] 14 | use regex::Captures;
Dec 19 15:20:14.768 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 19 15:20:14.768 INFO [stderr] 
Dec 19 15:20:14.768 INFO [stderr] warning: unused imports: `Error`, `Value`
Dec 19 15:20:14.768 INFO [stderr]   --> src/main.rs:16:18
Dec 19 15:20:14.768 INFO [stderr]    |
Dec 19 15:20:14.768 INFO [stderr] 16 | use serde_json::{Value, Error};
Dec 19 15:20:14.768 INFO [stderr]    |                  ^^^^^  ^^^^^
Dec 19 15:20:14.768 INFO [stderr] 
Dec 19 15:20:14.768 INFO [stderr] warning: unused import: `std::path::PathBuf`
Dec 19 15:20:14.768 INFO [stderr]   --> src/main.rs:21:5
Dec 19 15:20:14.768 INFO [stderr]    |
Dec 19 15:20:14.768 INFO [stderr] 21 | use std::path::PathBuf;
Dec 19 15:20:14.768 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 19 15:20:14.768 INFO [stderr] 
Dec 19 15:20:14.769 INFO [stderr] warning: unused import: `std::iter::Map`
Dec 19 15:20:14.769 INFO [stderr]   --> src/main.rs:22:5
Dec 19 15:20:14.769 INFO [stderr]    |
Dec 19 15:20:14.769 INFO [stderr] 22 | use std::iter::Map;
Dec 19 15:20:14.769 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 19 15:20:14.769 INFO [stderr] 
Dec 19 15:20:14.769 INFO [stderr] warning: unused import: `glob::GlobResult`
Dec 19 15:20:14.769 INFO [stderr]   --> src/main.rs:23:5
Dec 19 15:20:14.769 INFO [stderr]    |
Dec 19 15:20:14.769 INFO [stderr] 23 | use glob::GlobResult;
Dec 19 15:20:14.769 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 19 15:20:14.769 INFO [stderr] 
Dec 19 15:20:14.769 INFO [stderr] warning: unused import: `rayon::iter::plumbing::Producer`
Dec 19 15:20:14.769 INFO [stderr]   --> src/main.rs:24:5
Dec 19 15:20:14.769 INFO [stderr]    |
Dec 19 15:20:14.769 INFO [stderr] 24 | use rayon::iter::plumbing::Producer;
Dec 19 15:20:14.769 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:20:14.769 INFO [stderr] 
Dec 19 15:20:14.769 INFO [stderr] warning: unused import: `std::str::from_utf8_unchecked`
Dec 19 15:20:14.769 INFO [stderr]   --> src/main.rs:26:5
Dec 19 15:20:14.769 INFO [stderr]    |
Dec 19 15:20:14.769 INFO [stderr] 26 | use std::str::from_utf8_unchecked;
Dec 19 15:20:14.769 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:20:14.769 INFO [stderr] 
Dec 19 15:20:14.969 INFO [stderr] warning: unused variable: `default_path`
Dec 19 15:20:14.969 INFO [stderr]   --> src/main.rs:88:9
Dec 19 15:20:14.969 INFO [stderr]    |
Dec 19 15:20:14.969 INFO [stderr] 88 |     let default_path = "data/illinois/ill_text/**/*.txt";
Dec 19 15:20:14.969 INFO [stderr]    |         ^^^^^^^^^^^^ help: consider using `_default_path` instead
Dec 19 15:20:14.969 INFO [stderr]    |
Dec 19 15:20:14.969 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 15:20:14.969 INFO [stderr] 
Dec 19 15:20:14.969 INFO [stderr] warning: unused variable: `threadpool`
Dec 19 15:20:14.969 INFO [stderr]   --> src/main.rs:97:9
Dec 19 15:20:14.969 INFO [stderr]    |
Dec 19 15:20:14.969 INFO [stderr] 97 |     let threadpool = rayon::ThreadPoolBuilder::new()
Dec 19 15:20:14.969 INFO [stderr]    |         ^^^^^^^^^^ help: consider using `_threadpool` instead
Dec 19 15:20:14.969 INFO [stderr] 
Dec 19 15:20:15.024 INFO [stderr] warning: struct is never constructed: `Case`
Dec 19 15:20:15.024 INFO [stderr]   --> src/main.rs:31:1
Dec 19 15:20:15.024 INFO [stderr]    |
Dec 19 15:20:15.024 INFO [stderr] 31 | struct Case {
Dec 19 15:20:15.024 INFO [stderr]    | ^^^^^^^^^^^
Dec 19 15:20:15.024 INFO [stderr]    |
Dec 19 15:20:15.024 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 15:20:15.024 INFO [stderr] 
Dec 19 15:20:15.068 INFO [stderr] warning: unused variable: `default_path`
Dec 19 15:20:15.068 INFO [stderr]   --> src/main.rs:88:9
Dec 19 15:20:15.068 INFO [stderr]    |
Dec 19 15:20:15.068 INFO [stderr] 88 |     let default_path = "data/illinois/ill_text/**/*.txt";
Dec 19 15:20:15.068 INFO [stderr]    |         ^^^^^^^^^^^^ help: consider using `_default_path` instead
Dec 19 15:20:15.068 INFO [stderr]    |
Dec 19 15:20:15.068 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 15:20:15.068 INFO [stderr] 
Dec 19 15:20:15.068 INFO [stderr] warning: unused variable: `threadpool`
Dec 19 15:20:15.068 INFO [stderr]   --> src/main.rs:97:9
Dec 19 15:20:15.068 INFO [stderr]    |
Dec 19 15:20:15.068 INFO [stderr] 97 |     let threadpool = rayon::ThreadPoolBuilder::new()
Dec 19 15:20:15.068 INFO [stderr]    |         ^^^^^^^^^^ help: consider using `_threadpool` instead
Dec 19 15:20:15.068 INFO [stderr] 
Dec 19 15:20:15.138 INFO [stderr] warning: struct is never constructed: `Case`
Dec 19 15:20:15.138 INFO [stderr]   --> src/main.rs:31:1
Dec 19 15:20:15.138 INFO [stderr]    |
Dec 19 15:20:15.138 INFO [stderr] 31 | struct Case {
Dec 19 15:20:15.138 INFO [stderr]    | ^^^^^^^^^^^
Dec 19 15:20:15.138 INFO [stderr]    |
Dec 19 15:20:15.138 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 15:20:15.138 INFO [stderr] 
Dec 19 15:20:15.162 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.09s
Dec 19 15:20:15.950 INFO running `"docker" "inspect" "2d5c8b0c94e1d6a2052c82ec1f57d2c01362b35eb85829eee894c5cc71a934ef"`
Dec 19 15:20:16.382 INFO running `"docker" "rm" "-f" "2d5c8b0c94e1d6a2052c82ec1f57d2c01362b35eb85829eee894c5cc71a934ef"`
Dec 19 15:20:16.802 INFO [stdout] 2d5c8b0c94e1d6a2052c82ec1f57d2c01362b35eb85829eee894c5cc71a934ef