Dec 18 04:34:09.561 INFO checking adnelson/nix-browse against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 04:34:09.561 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/adnelson/nix-browse:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 04:34:09.767 INFO [stdout] 33da5c9214ade53e775c31e25a73ebdfc2621e2b06f2d54449ebd699f73709e4
Dec 18 04:34:09.769 INFO running `"docker" "start" "-a" "33da5c9214ade53e775c31e25a73ebdfc2621e2b06f2d54449ebd699f73709e4"`
Dec 18 04:34:11.050 INFO [stderr]     Checking unescape v0.1.0
Dec 18 04:34:11.050 INFO [stderr]     Checking clap v2.21.1
Dec 18 04:34:17.353 INFO [stderr]     Checking nix-browse v0.1.0 (/opt/crater/workdir)
Dec 18 04:34:18.292 INFO [stderr] warning: unused import: `regex::Regex`
Dec 18 04:34:18.292 INFO [stderr]   --> src/main.rs:14:5
Dec 18 04:34:18.292 INFO [stderr]    |
Dec 18 04:34:18.292 INFO [stderr] 14 | use regex::Regex;
Dec 18 04:34:18.292 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 18 04:34:18.292 INFO [stderr]    |
Dec 18 04:34:18.292 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 04:34:18.292 INFO [stderr] 
Dec 18 04:34:18.292 INFO [stderr] warning: unused import: `FromIterator`
Dec 18 04:34:18.292 INFO [stderr]  --> src/parse_nix_instantiate.rs:6:27
Dec 18 04:34:18.292 INFO [stderr]   |
Dec 18 04:34:18.292 INFO [stderr] 6 | use std::iter::{Peekable, FromIterator};
Dec 18 04:34:18.292 INFO [stderr]   |                           ^^^^^^^^^^^^
Dec 18 04:34:18.292 INFO [stderr] 
Dec 18 04:34:18.292 INFO [stderr] warning: unused import: `std::slice`
Dec 18 04:34:18.292 INFO [stderr]  --> src/parse_nix_instantiate.rs:9:5
Dec 18 04:34:18.292 INFO [stderr]   |
Dec 18 04:34:18.292 INFO [stderr] 9 | use std::slice;
Dec 18 04:34:18.292 INFO [stderr]   |     ^^^^^^^^^^
Dec 18 04:34:18.292 INFO [stderr] 
Dec 18 04:34:18.316 INFO [stderr] warning: unused import: `regex::Regex`
Dec 18 04:34:18.316 INFO [stderr]   --> src/main.rs:14:5
Dec 18 04:34:18.316 INFO [stderr]    |
Dec 18 04:34:18.316 INFO [stderr] 14 | use regex::Regex;
Dec 18 04:34:18.316 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 18 04:34:18.316 INFO [stderr]    |
Dec 18 04:34:18.316 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 04:34:18.316 INFO [stderr] 
Dec 18 04:34:18.316 INFO [stderr] warning: unused import: `std::slice`
Dec 18 04:34:18.316 INFO [stderr]  --> src/parse_nix_instantiate.rs:9:5
Dec 18 04:34:18.316 INFO [stderr]   |
Dec 18 04:34:18.316 INFO [stderr] 9 | use std::slice;
Dec 18 04:34:18.316 INFO [stderr]   |     ^^^^^^^^^^
Dec 18 04:34:18.316 INFO [stderr] 
Dec 18 04:34:18.830 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.89s
Dec 18 04:34:19.574 INFO running `"docker" "inspect" "33da5c9214ade53e775c31e25a73ebdfc2621e2b06f2d54449ebd699f73709e4"`
Dec 18 04:34:19.818 INFO running `"docker" "rm" "-f" "33da5c9214ade53e775c31e25a73ebdfc2621e2b06f2d54449ebd699f73709e4"`
Dec 18 04:34:20.160 INFO [stdout] 33da5c9214ade53e775c31e25a73ebdfc2621e2b06f2d54449ebd699f73709e4