Dec 11 23:14:12.499 INFO checking adnelson/nix-browse against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 23:14:12.499 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 11 23:14:13.094 INFO [stdout] 7fa1abc5349bb1b8a9d07d517777a8c6ecc652dd93d790e10b4702ab798fda41
Dec 11 23:14:13.104 INFO running `"docker" "start" "-a" "7fa1abc5349bb1b8a9d07d517777a8c6ecc652dd93d790e10b4702ab798fda41"`
Dec 11 23:14:14.264 INFO [stderr] usermod: no changes
Dec 11 23:14:14.469 INFO [stderr]     Checking bitflags v0.8.0
Dec 11 23:14:14.469 INFO [stderr]     Checking unescape v0.1.0
Dec 11 23:14:14.788 INFO [stderr]     Checking clap v2.21.1
Dec 11 23:14:21.124 INFO [stderr]     Checking nix-browse v0.1.0 (/source)
Dec 11 23:14:22.884 INFO [stderr] warning: unused import: `regex::Regex`
Dec 11 23:14:22.884 INFO [stderr]   --> src/main.rs:14:5
Dec 11 23:14:22.884 INFO [stderr]    |
Dec 11 23:14:22.884 INFO [stderr] 14 | use regex::Regex;
Dec 11 23:14:22.884 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 11 23:14:22.884 INFO [stderr]    |
Dec 11 23:14:22.884 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 11 23:14:22.884 INFO [stderr] 
Dec 11 23:14:22.884 INFO [stderr] warning: unused import: `FromIterator`
Dec 11 23:14:22.884 INFO [stderr]  --> src/parse_nix_instantiate.rs:6:27
Dec 11 23:14:22.884 INFO [stderr]   |
Dec 11 23:14:22.884 INFO [stderr] 6 | use std::iter::{Peekable, FromIterator};
Dec 11 23:14:22.884 INFO [stderr]   |                           ^^^^^^^^^^^^
Dec 11 23:14:22.884 INFO [stderr] 
Dec 11 23:14:22.884 INFO [stderr] warning: unused import: `std::slice`
Dec 11 23:14:22.884 INFO [stderr]  --> src/parse_nix_instantiate.rs:9:5
Dec 11 23:14:22.884 INFO [stderr]   |
Dec 11 23:14:22.884 INFO [stderr] 9 | use std::slice;
Dec 11 23:14:22.884 INFO [stderr]   |     ^^^^^^^^^^
Dec 11 23:14:22.885 INFO [stderr] 
Dec 11 23:14:23.004 INFO [stderr] warning: unused import: `regex::Regex`
Dec 11 23:14:23.004 INFO [stderr]   --> src/main.rs:14:5
Dec 11 23:14:23.004 INFO [stderr]    |
Dec 11 23:14:23.004 INFO [stderr] 14 | use regex::Regex;
Dec 11 23:14:23.004 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 11 23:14:23.004 INFO [stderr]    |
Dec 11 23:14:23.004 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 11 23:14:23.004 INFO [stderr] 
Dec 11 23:14:23.004 INFO [stderr] warning: unused import: `std::slice`
Dec 11 23:14:23.004 INFO [stderr]  --> src/parse_nix_instantiate.rs:9:5
Dec 11 23:14:23.004 INFO [stderr]   |
Dec 11 23:14:23.004 INFO [stderr] 9 | use std::slice;
Dec 11 23:14:23.004 INFO [stderr]   |     ^^^^^^^^^^
Dec 11 23:14:23.004 INFO [stderr] 
Dec 11 23:14:23.416 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.11s
Dec 11 23:14:23.438 INFO [stderr] su: No module specific data is present
Dec 11 23:14:24.158 INFO running `"docker" "inspect" "7fa1abc5349bb1b8a9d07d517777a8c6ecc652dd93d790e10b4702ab798fda41"`
Dec 11 23:14:24.360 INFO running `"docker" "rm" "-f" "7fa1abc5349bb1b8a9d07d517777a8c6ecc652dd93d790e10b4702ab798fda41"`
Dec 11 23:14:24.628 INFO [stdout] 7fa1abc5349bb1b8a9d07d517777a8c6ecc652dd93d790e10b4702ab798fda41