Sep 20 23:31:09.490 INFO checking adnelson/nix-browse against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 20 23:31:09.490 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 20 23:31:09.490 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-2/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 23:31:09.736 INFO blam! 37211ae92d6d6517ee67ca58b4e9f617d1c115d13575de1285b204505672e4d5
Sep 20 23:31:09.739 INFO running `"docker" "start" "-a" "37211ae92d6d6517ee67ca58b4e9f617d1c115d13575de1285b204505672e4d5"`
Sep 20 23:31:11.594 INFO kablam! usermod: no changes
Sep 20 23:31:11.771 INFO kablam!     Checking serde v0.9.11
Sep 20 23:31:11.773 INFO kablam!     Checking bitflags v0.8.0
Sep 20 23:31:11.776 INFO kablam!     Checking unicode-segmentation v1.1.0
Sep 20 23:31:11.782 INFO kablam!     Checking vec_map v0.7.0
Sep 20 23:31:11.782 INFO kablam!     Checking unescape v0.1.0
Sep 20 23:31:11.790 INFO kablam!     Checking atty v0.2.2
Sep 20 23:31:11.790 INFO kablam!     Checking term_size v0.2.3
Sep 20 23:31:11.790 INFO kablam!    Compiling syn v0.11.9
Sep 20 23:31:13.770 INFO kablam!     Checking clap v2.21.1
Sep 20 23:31:22.034 INFO kablam!    Compiling serde_codegen_internals v0.14.1
Sep 20 23:31:25.330 INFO kablam!    Compiling serde_derive v0.9.11
Sep 20 23:31:29.834 INFO kablam!     Checking serde_json v0.9.9
Sep 20 23:31:33.974 INFO kablam!     Checking nix-browse v0.1.0 (/source)
Sep 20 23:31:34.674 INFO kablam! warning: unused import: `regex::Regex`
Sep 20 23:31:34.674 INFO kablam!   --> src/main.rs:14:5
Sep 20 23:31:34.674 INFO kablam!    |
Sep 20 23:31:34.674 INFO kablam! 14 | use regex::Regex;
Sep 20 23:31:34.674 INFO kablam!    |     ^^^^^^^^^^^^
Sep 20 23:31:34.674 INFO kablam!    |
Sep 20 23:31:34.674 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 20 23:31:34.674 INFO kablam! 
Sep 20 23:31:34.674 INFO kablam! warning: unused import: `FromIterator`
Sep 20 23:31:34.674 INFO kablam!  --> src/parse_nix_instantiate.rs:6:27
Sep 20 23:31:34.674 INFO kablam!   |
Sep 20 23:31:34.674 INFO kablam! 6 | use std::iter::{Peekable, FromIterator};
Sep 20 23:31:34.674 INFO kablam!   |                           ^^^^^^^^^^^^
Sep 20 23:31:34.674 INFO kablam! 
Sep 20 23:31:34.674 INFO kablam! warning: unused import: `std::slice`
Sep 20 23:31:34.674 INFO kablam!  --> src/parse_nix_instantiate.rs:9:5
Sep 20 23:31:34.674 INFO kablam!   |
Sep 20 23:31:34.674 INFO kablam! 9 | use std::slice;
Sep 20 23:31:34.674 INFO kablam!   |     ^^^^^^^^^^
Sep 20 23:31:34.674 INFO kablam! 
Sep 20 23:31:34.750 INFO kablam! warning: unused import: `regex::Regex`
Sep 20 23:31:34.750 INFO kablam!   --> src/main.rs:14:5
Sep 20 23:31:34.750 INFO kablam!    |
Sep 20 23:31:34.750 INFO kablam! 14 | use regex::Regex;
Sep 20 23:31:34.750 INFO kablam!    |     ^^^^^^^^^^^^
Sep 20 23:31:34.750 INFO kablam!    |
Sep 20 23:31:34.750 INFO kablam!    = note: #[warn(unused_imports)] on by default
Sep 20 23:31:34.750 INFO kablam! 
Sep 20 23:31:34.750 INFO kablam! warning: unused import: `std::slice`
Sep 20 23:31:34.750 INFO kablam!  --> src/parse_nix_instantiate.rs:9:5
Sep 20 23:31:34.750 INFO kablam!   |
Sep 20 23:31:34.750 INFO kablam! 9 | use std::slice;
Sep 20 23:31:34.750 INFO kablam!   |     ^^^^^^^^^^
Sep 20 23:31:34.750 INFO kablam! 
Sep 20 23:31:35.262 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 23.62s
Sep 20 23:31:35.279 INFO kablam! su: No module specific data is present
Sep 20 23:31:36.680 INFO running `"docker" "rm" "-f" "37211ae92d6d6517ee67ca58b4e9f617d1c115d13575de1285b204505672e4d5"`
Sep 20 23:31:36.799 INFO blam! 37211ae92d6d6517ee67ca58b4e9f617d1c115d13575de1285b204505672e4d5