Dec 05 10:06:13.603 INFO checking narc-0.1.0 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 10:06:13.603 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 05 10:06:13.895 INFO [stdout] f7de4c9b210287117930c689c633f0c12bd6fcd5dc8f94296a7a116b9225f9d2
Dec 05 10:06:13.901 INFO running `"docker" "start" "-a" "f7de4c9b210287117930c689c633f0c12bd6fcd5dc8f94296a7a116b9225f9d2"`
Dec 05 10:06:14.803 INFO [stderr] usermod: no changes
Dec 05 10:06:14.859 INFO [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
Dec 05 10:06:14.917 INFO [stderr]     Checking nitro_fs v0.1.0
Dec 05 10:06:16.855 INFO [stderr]     Checking narc v0.1.0 (/source)
Dec 05 10:06:18.495 INFO [stderr] warning: unused import: `bail`
Dec 05 10:06:18.495 INFO [stderr]  --> src/extract.rs:2:15
Dec 05 10:06:18.495 INFO [stderr]   |
Dec 05 10:06:18.495 INFO [stderr] 2 | use failure::{bail, ensure, Error};
Dec 05 10:06:18.495 INFO [stderr]   |               ^^^^
Dec 05 10:06:18.495 INFO [stderr]   |
Dec 05 10:06:18.495 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 10:06:18.496 INFO [stderr] 
Dec 05 10:06:18.496 INFO [stderr] warning: unused import: `nitro_fs::FileSystem`
Dec 05 10:06:18.496 INFO [stderr]   --> src/extract.rs:45:13
Dec 05 10:06:18.496 INFO [stderr]    |
Dec 05 10:06:18.496 INFO [stderr] 45 |         use nitro_fs::FileSystem;
Dec 05 10:06:18.497 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^
Dec 05 10:06:18.497 INFO [stderr] 
Dec 05 10:06:18.583 INFO [stderr] warning: unused variable: `fat`
Dec 05 10:06:18.583 INFO [stderr]   --> src/extract.rs:50:13
Dec 05 10:06:18.583 INFO [stderr]    |
Dec 05 10:06:18.583 INFO [stderr] 50 |         let fat = &self.data[fat_offset..fat_offset + file_count * 8];
Dec 05 10:06:18.583 INFO [stderr]    |             ^^^ help: consider using `_fat` instead
Dec 05 10:06:18.584 INFO [stderr]    |
Dec 05 10:06:18.584 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 10:06:18.584 INFO [stderr] 
Dec 05 10:06:18.584 INFO [stderr] warning: unused variable: `path`
Dec 05 10:06:18.584 INFO [stderr]   --> src/extract.rs:44:43
Dec 05 10:06:18.584 INFO [stderr]    |
Dec 05 10:06:18.584 INFO [stderr] 44 |     pub fn extract<P: AsRef<Path>>(&self, path: P) -> Result<(), Error> {
Dec 05 10:06:18.584 INFO [stderr]    |                                           ^^^^ help: consider using `_path` instead
Dec 05 10:06:18.585 INFO [stderr] 
Dec 05 10:06:18.599 INFO [stderr] warning: method is never used: `read_u32`
Dec 05 10:06:18.599 INFO [stderr]   --> src/extract.rs:64:5
Dec 05 10:06:18.599 INFO [stderr]    |
Dec 05 10:06:18.599 INFO [stderr] 64 |     fn read_u32(&self, offset: usize) -> Result<u32, Error> {
Dec 05 10:06:18.599 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 10:06:18.599 INFO [stderr]    |
Dec 05 10:06:18.599 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 10:06:18.599 INFO [stderr] 
Dec 05 10:06:18.764 INFO [stderr] warning: unused import: `bail`
Dec 05 10:06:18.764 INFO [stderr]  --> src/extract.rs:2:15
Dec 05 10:06:18.765 INFO [stderr]   |
Dec 05 10:06:18.765 INFO [stderr] 2 | use failure::{bail, ensure, Error};
Dec 05 10:06:18.765 INFO [stderr]   |               ^^^^
Dec 05 10:06:18.766 INFO [stderr]   |
Dec 05 10:06:18.766 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 10:06:18.766 INFO [stderr] 
Dec 05 10:06:18.766 INFO [stderr] warning: unused import: `nitro_fs::FileSystem`
Dec 05 10:06:18.767 INFO [stderr]   --> src/extract.rs:45:13
Dec 05 10:06:18.767 INFO [stderr]    |
Dec 05 10:06:18.767 INFO [stderr] 45 |         use nitro_fs::FileSystem;
Dec 05 10:06:18.768 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^
Dec 05 10:06:18.768 INFO [stderr] 
Dec 05 10:06:18.848 INFO [stderr] warning: unused variable: `fat`
Dec 05 10:06:18.848 INFO [stderr]   --> src/extract.rs:50:13
Dec 05 10:06:18.848 INFO [stderr]    |
Dec 05 10:06:18.848 INFO [stderr] 50 |         let fat = &self.data[fat_offset..fat_offset + file_count * 8];
Dec 05 10:06:18.848 INFO [stderr]    |             ^^^ help: consider using `_fat` instead
Dec 05 10:06:18.848 INFO [stderr]    |
Dec 05 10:06:18.848 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 10:06:18.848 INFO [stderr] 
Dec 05 10:06:18.849 INFO [stderr] warning: unused variable: `path`
Dec 05 10:06:18.849 INFO [stderr]   --> src/extract.rs:44:43
Dec 05 10:06:18.849 INFO [stderr]    |
Dec 05 10:06:18.849 INFO [stderr] 44 |     pub fn extract<P: AsRef<Path>>(&self, path: P) -> Result<(), Error> {
Dec 05 10:06:18.849 INFO [stderr]    |                                           ^^^^ help: consider using `_path` instead
Dec 05 10:06:18.850 INFO [stderr] 
Dec 05 10:06:18.861 INFO [stderr] warning: method is never used: `read_u32`
Dec 05 10:06:18.861 INFO [stderr]   --> src/extract.rs:64:5
Dec 05 10:06:18.861 INFO [stderr]    |
Dec 05 10:06:18.861 INFO [stderr] 64 |     fn read_u32(&self, offset: usize) -> Result<u32, Error> {
Dec 05 10:06:18.861 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 10:06:18.861 INFO [stderr]    |
Dec 05 10:06:18.861 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 10:06:18.861 INFO [stderr] 
Dec 05 10:06:18.911 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.07s
Dec 05 10:06:18.912 INFO [stderr] su: No module specific data is present
Dec 05 10:06:19.305 INFO running `"docker" "inspect" "f7de4c9b210287117930c689c633f0c12bd6fcd5dc8f94296a7a116b9225f9d2"`
Dec 05 10:06:19.471 INFO running `"docker" "rm" "-f" "f7de4c9b210287117930c689c633f0c12bd6fcd5dc8f94296a7a116b9225f9d2"`
Dec 05 10:06:19.642 INFO [stdout] f7de4c9b210287117930c689c633f0c12bd6fcd5dc8f94296a7a116b9225f9d2