[INFO] updating cached repository jcushman/grep_caselaw [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/jcushman/grep_caselaw [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/jcushman/grep_caselaw" "work/ex/beta-1.38-1/sources/1.37.0/gh/jcushman/grep_caselaw"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jcushman/grep_caselaw'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/jcushman/grep_caselaw" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jcushman/grep_caselaw"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jcushman/grep_caselaw'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 113a899a0220569c1d883abefe90b960d91f6c74 [INFO] sha for GitHub repo jcushman/grep_caselaw: 113a899a0220569c1d883abefe90b960d91f6c74 [INFO] validating manifest of jcushman/grep_caselaw on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of jcushman/grep_caselaw on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing jcushman/grep_caselaw [INFO] finished frobbing jcushman/grep_caselaw [INFO] frobbed toml for jcushman/grep_caselaw written to work/ex/beta-1.38-1/sources/1.37.0/gh/jcushman/grep_caselaw/Cargo.toml [INFO] started frobbing jcushman/grep_caselaw [INFO] finished frobbing jcushman/grep_caselaw [INFO] frobbed toml for jcushman/grep_caselaw written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jcushman/grep_caselaw/Cargo.toml [INFO] crate jcushman/grep_caselaw already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing jcushman/grep_caselaw against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] e88e0472dafd540031b6c9d475d176ce4dec6cfbecfbd686d58ee2c058730a0e [INFO] running `"docker" "start" "-a" "e88e0472dafd540031b6c9d475d176ce4dec6cfbecfbd686d58ee2c058730a0e"` [INFO] [stderr] Compiling redis v0.8.0 [INFO] [stderr] Compiling crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling regex v1.0.1 [INFO] [stderr] Compiling crossbeam-deque v0.2.0 [INFO] [stderr] Compiling rayon-core v1.4.0 [INFO] [stderr] Compiling rayon v1.0.1 [INFO] [stderr] Compiling grep_caselaw v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `SubCommand` [INFO] [stderr] --> src/main.rs:9:22 [INFO] [stderr] | [INFO] [stderr] 9 | use clap::{Arg, App, SubCommand}; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `rayon::iter::Map as RayonMap` [INFO] [stderr] --> src/main.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use rayon::iter::Map as RayonMap; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `regex::Captures` [INFO] [stderr] --> src/main.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use regex::Captures; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Error`, `Value` [INFO] [stderr] --> src/main.rs:16:18 [INFO] [stderr] | [INFO] [stderr] 16 | use serde_json::{Value, Error}; [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::path::PathBuf` [INFO] [stderr] --> src/main.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | use std::path::PathBuf; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::iter::Map` [INFO] [stderr] --> src/main.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | use std::iter::Map; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `glob::GlobResult` [INFO] [stderr] --> src/main.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | use glob::GlobResult; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rayon::iter::plumbing::Producer` [INFO] [stderr] --> src/main.rs:24:5 [INFO] [stderr] | [INFO] [stderr] 24 | use rayon::iter::plumbing::Producer; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::str::from_utf8_unchecked` [INFO] [stderr] --> src/main.rs:26:5 [INFO] [stderr] | [INFO] [stderr] 26 | use std::str::from_utf8_unchecked; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `default_path` [INFO] [stderr] --> src/main.rs:88:9 [INFO] [stderr] | [INFO] [stderr] 88 | let default_path = "data/illinois/ill_text/**/*.txt"; [INFO] [stderr] | ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_default_path` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `threadpool` [INFO] [stderr] --> src/main.rs:97:9 [INFO] [stderr] | [INFO] [stderr] 97 | let threadpool = rayon::ThreadPoolBuilder::new() [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_threadpool` [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Case` [INFO] [stderr] --> src/main.rs:31:1 [INFO] [stderr] | [INFO] [stderr] 31 | struct Case { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 27.22s [INFO] running `"docker" "inspect" "e88e0472dafd540031b6c9d475d176ce4dec6cfbecfbd686d58ee2c058730a0e"` [INFO] running `"docker" "rm" "-f" "e88e0472dafd540031b6c9d475d176ce4dec6cfbecfbd686d58ee2c058730a0e"` [INFO] [stdout] e88e0472dafd540031b6c9d475d176ce4dec6cfbecfbd686d58ee2c058730a0e [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] c7b31889877d760315a4a762fc93a5f6462c9d7aa067327bf746c73e91f228f5 [INFO] running `"docker" "start" "-a" "c7b31889877d760315a4a762fc93a5f6462c9d7aa067327bf746c73e91f228f5"` [INFO] [stderr] Compiling grep_caselaw v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `SubCommand` [INFO] [stderr] --> src/main.rs:9:22 [INFO] [stderr] | [INFO] [stderr] 9 | use clap::{Arg, App, SubCommand}; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `rayon::iter::Map as RayonMap` [INFO] [stderr] --> src/main.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | use rayon::iter::Map as RayonMap; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `regex::Captures` [INFO] [stderr] --> src/main.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use regex::Captures; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Error`, `Value` [INFO] [stderr] --> src/main.rs:16:18 [INFO] [stderr] | [INFO] [stderr] 16 | use serde_json::{Value, Error}; [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::path::PathBuf` [INFO] [stderr] --> src/main.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | use std::path::PathBuf; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::iter::Map` [INFO] [stderr] --> src/main.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | use std::iter::Map; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `glob::GlobResult` [INFO] [stderr] --> src/main.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | use glob::GlobResult; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rayon::iter::plumbing::Producer` [INFO] [stderr] --> src/main.rs:24:5 [INFO] [stderr] | [INFO] [stderr] 24 | use rayon::iter::plumbing::Producer; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::str::from_utf8_unchecked` [INFO] [stderr] --> src/main.rs:26:5 [INFO] [stderr] | [INFO] [stderr] 26 | use std::str::from_utf8_unchecked; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `default_path` [INFO] [stderr] --> src/main.rs:88:9 [INFO] [stderr] | [INFO] [stderr] 88 | let default_path = "data/illinois/ill_text/**/*.txt"; [INFO] [stderr] | ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_default_path` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `threadpool` [INFO] [stderr] --> src/main.rs:97:9 [INFO] [stderr] | [INFO] [stderr] 97 | let threadpool = rayon::ThreadPoolBuilder::new() [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_threadpool` [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Case` [INFO] [stderr] --> src/main.rs:31:1 [INFO] [stderr] | [INFO] [stderr] 31 | struct Case { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.63s [INFO] running `"docker" "inspect" "c7b31889877d760315a4a762fc93a5f6462c9d7aa067327bf746c73e91f228f5"` [INFO] running `"docker" "rm" "-f" "c7b31889877d760315a4a762fc93a5f6462c9d7aa067327bf746c73e91f228f5"` [INFO] [stdout] c7b31889877d760315a4a762fc93a5f6462c9d7aa067327bf746c73e91f228f5 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "test" "--frozen"` [INFO] [stdout] 4d04cde8c9ee7f791cfeedcabbc4d4cb17ecc69d521de30a1264a8479a7eaa1f [INFO] running `"docker" "start" "-a" "4d04cde8c9ee7f791cfeedcabbc4d4cb17ecc69d521de30a1264a8479a7eaa1f"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running /opt/crater/target/debug/deps/grep_caselaw-199ec63abd957e42 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "4d04cde8c9ee7f791cfeedcabbc4d4cb17ecc69d521de30a1264a8479a7eaa1f"` [INFO] running `"docker" "rm" "-f" "4d04cde8c9ee7f791cfeedcabbc4d4cb17ecc69d521de30a1264a8479a7eaa1f"` [INFO] [stdout] 4d04cde8c9ee7f791cfeedcabbc4d4cb17ecc69d521de30a1264a8479a7eaa1f