Dec 17 22:29:19.532 INFO checking jcushman/grep_caselaw against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 22:29:19.533 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 22:29:20.041 INFO [stdout] 493817c97714da1eb039d60eec9f54c6a2da49113bf6d819486d77adc1cb28a2
Dec 17 22:29:20.044 INFO running `"docker" "start" "-a" "493817c97714da1eb039d60eec9f54c6a2da49113bf6d819486d77adc1cb28a2"`
Dec 17 22:29:21.737 INFO [stderr]     Checking rayon-core v1.4.0
Dec 17 22:29:21.737 INFO [stderr]     Checking redis v0.8.0
Dec 17 22:29:23.080 INFO [stderr]     Checking rayon v1.0.1
Dec 17 22:29:26.616 INFO [stderr]     Checking grep_caselaw v0.1.0 (/opt/crater/workdir)
Dec 17 22:29:27.246 INFO [stderr] warning: unused import: `SubCommand`
Dec 17 22:29:27.246 INFO [stderr]  --> src/main.rs:9:22
Dec 17 22:29:27.246 INFO [stderr]   |
Dec 17 22:29:27.246 INFO [stderr] 9 | use clap::{Arg, App, SubCommand};
Dec 17 22:29:27.246 INFO [stderr]   |                      ^^^^^^^^^^
Dec 17 22:29:27.246 INFO [stderr]   |
Dec 17 22:29:27.246 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 22:29:27.246 INFO [stderr] 
Dec 17 22:29:27.246 INFO [stderr] warning: unused import: `rayon::iter::Map as RayonMap`
Dec 17 22:29:27.246 INFO [stderr]   --> src/main.rs:12:5
Dec 17 22:29:27.246 INFO [stderr]    |
Dec 17 22:29:27.246 INFO [stderr] 12 | use rayon::iter::Map as RayonMap;
Dec 17 22:29:27.246 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:29:27.246 INFO [stderr] 
Dec 17 22:29:27.246 INFO [stderr] warning: unused import: `regex::Captures`
Dec 17 22:29:27.246 INFO [stderr]   --> src/main.rs:14:5
Dec 17 22:29:27.246 INFO [stderr]    |
Dec 17 22:29:27.246 INFO [stderr] 14 | use regex::Captures;
Dec 17 22:29:27.246 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 17 22:29:27.246 INFO [stderr] 
Dec 17 22:29:27.246 INFO [stderr] warning: unused imports: `Error`, `Value`
Dec 17 22:29:27.246 INFO [stderr]   --> src/main.rs:16:18
Dec 17 22:29:27.246 INFO [stderr]    |
Dec 17 22:29:27.246 INFO [stderr] 16 | use serde_json::{Value, Error};
Dec 17 22:29:27.246 INFO [stderr]    |                  ^^^^^  ^^^^^
Dec 17 22:29:27.246 INFO [stderr] 
Dec 17 22:29:27.246 INFO [stderr] warning: unused import: `std::path::PathBuf`
Dec 17 22:29:27.247 INFO [stderr]   --> src/main.rs:21:5
Dec 17 22:29:27.247 INFO [stderr]    |
Dec 17 22:29:27.247 INFO [stderr] 21 | use std::path::PathBuf;
Dec 17 22:29:27.247 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 17 22:29:27.247 INFO [stderr] 
Dec 17 22:29:27.247 INFO [stderr] warning: unused import: `std::iter::Map`
Dec 17 22:29:27.247 INFO [stderr]   --> src/main.rs:22:5
Dec 17 22:29:27.247 INFO [stderr]    |
Dec 17 22:29:27.247 INFO [stderr] 22 | use std::iter::Map;
Dec 17 22:29:27.247 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 17 22:29:27.247 INFO [stderr] 
Dec 17 22:29:27.247 INFO [stderr] warning: unused import: `glob::GlobResult`
Dec 17 22:29:27.247 INFO [stderr]   --> src/main.rs:23:5
Dec 17 22:29:27.247 INFO [stderr]    |
Dec 17 22:29:27.247 INFO [stderr] 23 | use glob::GlobResult;
Dec 17 22:29:27.247 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 17 22:29:27.247 INFO [stderr] 
Dec 17 22:29:27.247 INFO [stderr] warning: unused import: `rayon::iter::plumbing::Producer`
Dec 17 22:29:27.247 INFO [stderr]   --> src/main.rs:24:5
Dec 17 22:29:27.247 INFO [stderr]    |
Dec 17 22:29:27.247 INFO [stderr] 24 | use rayon::iter::plumbing::Producer;
Dec 17 22:29:27.247 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:29:27.247 INFO [stderr] 
Dec 17 22:29:27.247 INFO [stderr] warning: unused import: `std::str::from_utf8_unchecked`
Dec 17 22:29:27.247 INFO [stderr]   --> src/main.rs:26:5
Dec 17 22:29:27.247 INFO [stderr]    |
Dec 17 22:29:27.247 INFO [stderr] 26 | use std::str::from_utf8_unchecked;
Dec 17 22:29:27.247 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:29:27.247 INFO [stderr] 
Dec 17 22:29:27.247 INFO [stderr] warning: unused import: `SubCommand`
Dec 17 22:29:27.247 INFO [stderr]  --> src/main.rs:9:22
Dec 17 22:29:27.247 INFO [stderr]   |
Dec 17 22:29:27.247 INFO [stderr] 9 | use clap::{Arg, App, SubCommand};
Dec 17 22:29:27.247 INFO [stderr]   |                      ^^^^^^^^^^
Dec 17 22:29:27.247 INFO [stderr]   |
Dec 17 22:29:27.247 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 22:29:27.247 INFO [stderr] 
Dec 17 22:29:27.247 INFO [stderr] warning: unused import: `rayon::iter::Map as RayonMap`
Dec 17 22:29:27.247 INFO [stderr]   --> src/main.rs:12:5
Dec 17 22:29:27.247 INFO [stderr]    |
Dec 17 22:29:27.247 INFO [stderr] 12 | use rayon::iter::Map as RayonMap;
Dec 17 22:29:27.247 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:29:27.247 INFO [stderr] 
Dec 17 22:29:27.247 INFO [stderr] warning: unused import: `regex::Captures`
Dec 17 22:29:27.247 INFO [stderr]   --> src/main.rs:14:5
Dec 17 22:29:27.247 INFO [stderr]    |
Dec 17 22:29:27.247 INFO [stderr] 14 | use regex::Captures;
Dec 17 22:29:27.247 INFO [stderr]    |     ^^^^^^^^^^^^^^^
Dec 17 22:29:27.247 INFO [stderr] 
Dec 17 22:29:27.247 INFO [stderr] warning: unused imports: `Error`, `Value`
Dec 17 22:29:27.247 INFO [stderr]   --> src/main.rs:16:18
Dec 17 22:29:27.247 INFO [stderr]    |
Dec 17 22:29:27.247 INFO [stderr] 16 | use serde_json::{Value, Error};
Dec 17 22:29:27.247 INFO [stderr]    |                  ^^^^^  ^^^^^
Dec 17 22:29:27.247 INFO [stderr] 
Dec 17 22:29:27.247 INFO [stderr] warning: unused import: `std::path::PathBuf`
Dec 17 22:29:27.247 INFO [stderr]   --> src/main.rs:21:5
Dec 17 22:29:27.247 INFO [stderr]    |
Dec 17 22:29:27.247 INFO [stderr] 21 | use std::path::PathBuf;
Dec 17 22:29:27.247 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 17 22:29:27.247 INFO [stderr] 
Dec 17 22:29:27.247 INFO [stderr] warning: unused import: `std::iter::Map`
Dec 17 22:29:27.247 INFO [stderr]   --> src/main.rs:22:5
Dec 17 22:29:27.247 INFO [stderr]    |
Dec 17 22:29:27.247 INFO [stderr] 22 | use std::iter::Map;
Dec 17 22:29:27.247 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 17 22:29:27.247 INFO [stderr] 
Dec 17 22:29:27.247 INFO [stderr] warning: unused import: `glob::GlobResult`
Dec 17 22:29:27.247 INFO [stderr]   --> src/main.rs:23:5
Dec 17 22:29:27.247 INFO [stderr]    |
Dec 17 22:29:27.247 INFO [stderr] 23 | use glob::GlobResult;
Dec 17 22:29:27.247 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 17 22:29:27.247 INFO [stderr] 
Dec 17 22:29:27.247 INFO [stderr] warning: unused import: `rayon::iter::plumbing::Producer`
Dec 17 22:29:27.247 INFO [stderr]   --> src/main.rs:24:5
Dec 17 22:29:27.247 INFO [stderr]    |
Dec 17 22:29:27.247 INFO [stderr] 24 | use rayon::iter::plumbing::Producer;
Dec 17 22:29:27.247 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:29:27.247 INFO [stderr] 
Dec 17 22:29:27.247 INFO [stderr] warning: unused import: `std::str::from_utf8_unchecked`
Dec 17 22:29:27.247 INFO [stderr]   --> src/main.rs:26:5
Dec 17 22:29:27.247 INFO [stderr]    |
Dec 17 22:29:27.247 INFO [stderr] 26 | use std::str::from_utf8_unchecked;
Dec 17 22:29:27.247 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:29:27.247 INFO [stderr] 
Dec 17 22:29:27.467 INFO [stderr] warning: unused variable: `default_path`
Dec 17 22:29:27.467 INFO [stderr]   --> src/main.rs:88:9
Dec 17 22:29:27.467 INFO [stderr]    |
Dec 17 22:29:27.467 INFO [stderr] 88 |     let default_path = "data/illinois/ill_text/**/*.txt";
Dec 17 22:29:27.467 INFO [stderr]    |         ^^^^^^^^^^^^ help: consider using `_default_path` instead
Dec 17 22:29:27.467 INFO [stderr]    |
Dec 17 22:29:27.467 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 22:29:27.467 INFO [stderr] 
Dec 17 22:29:27.468 INFO [stderr] warning: unused variable: `threadpool`
Dec 17 22:29:27.468 INFO [stderr]   --> src/main.rs:97:9
Dec 17 22:29:27.468 INFO [stderr]    |
Dec 17 22:29:27.468 INFO [stderr] 97 |     let threadpool = rayon::ThreadPoolBuilder::new()
Dec 17 22:29:27.468 INFO [stderr]    |         ^^^^^^^^^^ help: consider using `_threadpool` instead
Dec 17 22:29:27.468 INFO [stderr] 
Dec 17 22:29:27.477 INFO [stderr] warning: unused variable: `default_path`
Dec 17 22:29:27.477 INFO [stderr]   --> src/main.rs:88:9
Dec 17 22:29:27.477 INFO [stderr]    |
Dec 17 22:29:27.477 INFO [stderr] 88 |     let default_path = "data/illinois/ill_text/**/*.txt";
Dec 17 22:29:27.477 INFO [stderr]    |         ^^^^^^^^^^^^ help: consider using `_default_path` instead
Dec 17 22:29:27.477 INFO [stderr]    |
Dec 17 22:29:27.477 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 22:29:27.477 INFO [stderr] 
Dec 17 22:29:27.477 INFO [stderr] warning: unused variable: `threadpool`
Dec 17 22:29:27.477 INFO [stderr]   --> src/main.rs:97:9
Dec 17 22:29:27.477 INFO [stderr]    |
Dec 17 22:29:27.477 INFO [stderr] 97 |     let threadpool = rayon::ThreadPoolBuilder::new()
Dec 17 22:29:27.477 INFO [stderr]    |         ^^^^^^^^^^ help: consider using `_threadpool` instead
Dec 17 22:29:27.477 INFO [stderr] 
Dec 17 22:29:27.528 INFO [stderr] warning: struct is never constructed: `Case`
Dec 17 22:29:27.528 INFO [stderr]   --> src/main.rs:31:1
Dec 17 22:29:27.528 INFO [stderr]    |
Dec 17 22:29:27.528 INFO [stderr] 31 | struct Case {
Dec 17 22:29:27.528 INFO [stderr]    | ^^^^^^^^^^^
Dec 17 22:29:27.528 INFO [stderr]    |
Dec 17 22:29:27.528 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 22:29:27.528 INFO [stderr] 
Dec 17 22:29:27.540 INFO [stderr] warning: struct is never constructed: `Case`
Dec 17 22:29:27.540 INFO [stderr]   --> src/main.rs:31:1
Dec 17 22:29:27.540 INFO [stderr]    |
Dec 17 22:29:27.540 INFO [stderr] 31 | struct Case {
Dec 17 22:29:27.540 INFO [stderr]    | ^^^^^^^^^^^
Dec 17 22:29:27.540 INFO [stderr]    |
Dec 17 22:29:27.540 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 22:29:27.540 INFO [stderr] 
Dec 17 22:29:27.587 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.01s
Dec 17 22:29:28.386 INFO running `"docker" "inspect" "493817c97714da1eb039d60eec9f54c6a2da49113bf6d819486d77adc1cb28a2"`
Dec 17 22:29:28.712 INFO running `"docker" "rm" "-f" "493817c97714da1eb039d60eec9f54c6a2da49113bf6d819486d77adc1cb28a2"`
Dec 17 22:29:29.007 INFO [stdout] 493817c97714da1eb039d60eec9f54c6a2da49113bf6d819486d77adc1cb28a2