Dec 19 21:02:30.737 INFO checking adnelson/nix-browse against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 21:02:30.737 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 21:02:31.218 INFO [stdout] 2bc48a4ea4fde57b848598627cd6302aa41eea72eab7429e46b0a9ae05c60079
Dec 19 21:02:31.220 INFO running `"docker" "start" "-a" "2bc48a4ea4fde57b848598627cd6302aa41eea72eab7429e46b0a9ae05c60079"`
Dec 19 21:02:33.196 INFO [stderr]     Checking unescape v0.1.0
Dec 19 21:02:33.208 INFO [stderr]    Compiling serde_derive v0.9.11
Dec 19 21:02:38.688 INFO [stderr]     Checking nix-browse v0.1.0 (/opt/crater/workdir)
Dec 19 21:02:39.488 INFO [stderr] warning: unused import: `regex::Regex`
Dec 19 21:02:39.488 INFO [stderr]   --> src/main.rs:14:5
Dec 19 21:02:39.488 INFO [stderr]    |
Dec 19 21:02:39.488 INFO [stderr] 14 | use regex::Regex;
Dec 19 21:02:39.488 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 19 21:02:39.488 INFO [stderr]    |
Dec 19 21:02:39.488 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 21:02:39.488 INFO [stderr] 
Dec 19 21:02:39.488 INFO [stderr] warning: unused import: `FromIterator`
Dec 19 21:02:39.489 INFO [stderr]  --> src/parse_nix_instantiate.rs:6:27
Dec 19 21:02:39.489 INFO [stderr]   |
Dec 19 21:02:39.489 INFO [stderr] 6 | use std::iter::{Peekable, FromIterator};
Dec 19 21:02:39.489 INFO [stderr]   |                           ^^^^^^^^^^^^
Dec 19 21:02:39.489 INFO [stderr] 
Dec 19 21:02:39.489 INFO [stderr] warning: unused import: `std::slice`
Dec 19 21:02:39.489 INFO [stderr]  --> src/parse_nix_instantiate.rs:9:5
Dec 19 21:02:39.489 INFO [stderr]   |
Dec 19 21:02:39.489 INFO [stderr] 9 | use std::slice;
Dec 19 21:02:39.489 INFO [stderr]   |     ^^^^^^^^^^
Dec 19 21:02:39.489 INFO [stderr] 
Dec 19 21:02:39.544 INFO [stderr] warning: unused import: `regex::Regex`
Dec 19 21:02:39.544 INFO [stderr]   --> src/main.rs:14:5
Dec 19 21:02:39.544 INFO [stderr]    |
Dec 19 21:02:39.544 INFO [stderr] 14 | use regex::Regex;
Dec 19 21:02:39.544 INFO [stderr]    |     ^^^^^^^^^^^^
Dec 19 21:02:39.544 INFO [stderr]    |
Dec 19 21:02:39.544 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 21:02:39.544 INFO [stderr] 
Dec 19 21:02:39.544 INFO [stderr] warning: unused import: `std::slice`
Dec 19 21:02:39.544 INFO [stderr]  --> src/parse_nix_instantiate.rs:9:5
Dec 19 21:02:39.544 INFO [stderr]   |
Dec 19 21:02:39.544 INFO [stderr] 9 | use std::slice;
Dec 19 21:02:39.544 INFO [stderr]   |     ^^^^^^^^^^
Dec 19 21:02:39.544 INFO [stderr] 
Dec 19 21:02:39.912 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.86s
Dec 19 21:02:40.730 INFO running `"docker" "inspect" "2bc48a4ea4fde57b848598627cd6302aa41eea72eab7429e46b0a9ae05c60079"`
Dec 19 21:02:41.036 INFO running `"docker" "rm" "-f" "2bc48a4ea4fde57b848598627cd6302aa41eea72eab7429e46b0a9ae05c60079"`
Dec 19 21:02:41.295 INFO [stdout] 2bc48a4ea4fde57b848598627cd6302aa41eea72eab7429e46b0a9ae05c60079