Dec 12 09:50:08.695 INFO checking pretty-git-prompt-0.2.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 09:50:08.695 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 12 09:50:09.228 INFO [stdout] e1d5097f8c576b02f98a3bae5673f6749bead54e659b9bc1953420b0dd9376dc
Dec 12 09:50:09.234 INFO running `"docker" "start" "-a" "e1d5097f8c576b02f98a3bae5673f6749bead54e659b9bc1953420b0dd9376dc"`
Dec 12 09:50:11.144 INFO [stderr] usermod: no changes
Dec 12 09:50:11.188 INFO [stderr] warning: only one of `license` or `license-file` is necessary
Dec 12 09:50:11.256 INFO [stderr]     Checking pretty-git-prompt v0.2.0 (/source)
Dec 12 09:50:13.620 INFO [stderr] warning: unused imports: `File`, `OpenOptions`, `remove_file`
Dec 12 09:50:13.620 INFO [stderr]    --> src/conf.rs:300:19
Dec 12 09:50:13.620 INFO [stderr]     |
Dec 12 09:50:13.620 INFO [stderr] 300 |     use std::fs::{File,OpenOptions,remove_file};
Dec 12 09:50:13.620 INFO [stderr]     |                   ^^^^ ^^^^^^^^^^^ ^^^^^^^^^^^
Dec 12 09:50:13.620 INFO [stderr]     |
Dec 12 09:50:13.620 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 12 09:50:13.620 INFO [stderr] 
Dec 12 09:50:13.620 INFO [stderr] warning: unused imports: `Read`, `Write`
Dec 12 09:50:13.620 INFO [stderr]    --> src/conf.rs:301:19
Dec 12 09:50:13.620 INFO [stderr]     |
Dec 12 09:50:13.620 INFO [stderr] 301 |     use std::io::{Write,Read};
Dec 12 09:50:13.620 INFO [stderr]     |                   ^^^^^ ^^^^
Dec 12 09:50:13.621 INFO [stderr] 
Dec 12 09:50:13.621 INFO [stderr] warning: unused imports: `PathBuf`, `Path`
Dec 12 09:50:13.621 INFO [stderr]    --> src/conf.rs:302:21
Dec 12 09:50:13.621 INFO [stderr]     |
Dec 12 09:50:13.621 INFO [stderr] 302 |     use std::path::{Path,PathBuf};
Dec 12 09:50:13.621 INFO [stderr]     |                     ^^^^ ^^^^^^^
Dec 12 09:50:13.621 INFO [stderr] 
Dec 12 09:50:13.621 INFO [stderr] warning: unused imports: `Conf`, `DEFAULT_CONF`, `create_default_config`, `get_configuration`
Dec 12 09:50:13.621 INFO [stderr]    --> src/conf.rs:303:16
Dec 12 09:50:13.621 INFO [stderr]     |
Dec 12 09:50:13.621 INFO [stderr] 303 |     use conf::{get_configuration,create_default_config,DEFAULT_CONF,Conf};
Dec 12 09:50:13.621 INFO [stderr]     |                ^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^ ^^^^
Dec 12 09:50:13.621 INFO [stderr] 
Dec 12 09:50:13.621 INFO [stderr] warning: unused import: `YamlLoader`
Dec 12 09:50:13.621 INFO [stderr]    --> src/conf.rs:304:21
Dec 12 09:50:13.621 INFO [stderr]     |
Dec 12 09:50:13.621 INFO [stderr] 304 |     use yaml_rust::{YamlLoader};
Dec 12 09:50:13.621 INFO [stderr]     |                     ^^^^^^^^^^
Dec 12 09:50:13.621 INFO [stderr] 
Dec 12 09:50:13.621 INFO [stderr] warning: unused import: `backend::Backend`
Dec 12 09:50:13.621 INFO [stderr]    --> src/conf.rs:305:9
Dec 12 09:50:13.621 INFO [stderr]     |
Dec 12 09:50:13.621 INFO [stderr] 305 |     use backend::Backend;
Dec 12 09:50:13.621 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 12 09:50:13.621 INFO [stderr] 
Dec 12 09:50:13.621 INFO [stderr] warning: unused import: `models::DisplayMaster`
Dec 12 09:50:13.621 INFO [stderr]    --> src/conf.rs:306:9
Dec 12 09:50:13.621 INFO [stderr]     |
Dec 12 09:50:13.621 INFO [stderr] 306 |     use models::DisplayMaster;
Dec 12 09:50:13.621 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
Dec 12 09:50:13.621 INFO [stderr] 
Dec 12 09:50:13.621 INFO [stderr] warning: unused import: `git2::Repository`
Dec 12 09:50:13.621 INFO [stderr]    --> src/conf.rs:307:9
Dec 12 09:50:13.621 INFO [stderr]     |
Dec 12 09:50:13.621 INFO [stderr] 307 |     use git2::Repository;
Dec 12 09:50:13.621 INFO [stderr]     |         ^^^^^^^^^^^^^^^^
Dec 12 09:50:13.621 INFO [stderr] 
Dec 12 09:50:13.624 INFO [stderr] warning: unused import: `std::ffi::OsStr`
Dec 12 09:50:13.624 INFO [stderr]   --> src/constants.rs:43:9
Dec 12 09:50:13.624 INFO [stderr]    |
Dec 12 09:50:13.624 INFO [stderr] 43 |     use std::ffi::OsStr;
Dec 12 09:50:13.624 INFO [stderr]    |         ^^^^^^^^^^^^^^^
Dec 12 09:50:13.624 INFO [stderr] 
Dec 12 09:50:13.624 INFO [stderr] warning: unused imports: `DEFAULT_CONFIG_NAME`, `get_default_config_path`
Dec 12 09:50:13.624 INFO [stderr]   --> src/constants.rs:44:21
Dec 12 09:50:13.624 INFO [stderr]    |
Dec 12 09:50:13.624 INFO [stderr] 44 |     use constants::{get_default_config_path,DEFAULT_CONFIG_NAME};
Dec 12 09:50:13.624 INFO [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^
Dec 12 09:50:13.624 INFO [stderr] 
Dec 12 09:50:14.064 INFO [stderr] warning: unused import: `std::borrow::BorrowMut`
Dec 12 09:50:14.064 INFO [stderr]  --> src/backend.rs:4:5
Dec 12 09:50:14.064 INFO [stderr]   |
Dec 12 09:50:14.064 INFO [stderr] 4 | use std::borrow::BorrowMut;
Dec 12 09:50:14.064 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 12 09:50:14.064 INFO [stderr] 
Dec 12 09:50:14.108 INFO [stderr] warning: unused variable: `u`
Dec 12 09:50:14.108 INFO [stderr]    --> src/backend.rs:391:14
Dec 12 09:50:14.108 INFO [stderr]     |
Dec 12 09:50:14.108 INFO [stderr] 391 |             |u: usize, s: &str, o: &Oid| {
Dec 12 09:50:14.108 INFO [stderr]     |              ^ help: consider using `_u` instead
Dec 12 09:50:14.108 INFO [stderr]     |
Dec 12 09:50:14.108 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 12 09:50:14.108 INFO [stderr] 
Dec 12 09:50:14.108 INFO [stderr] warning: unused variable: `s`
Dec 12 09:50:14.108 INFO [stderr]    --> src/backend.rs:391:24
Dec 12 09:50:14.108 INFO [stderr]     |
Dec 12 09:50:14.108 INFO [stderr] 391 |             |u: usize, s: &str, o: &Oid| {
Dec 12 09:50:14.108 INFO [stderr]     |                        ^ help: consider using `_s` instead
Dec 12 09:50:14.108 INFO [stderr] 
Dec 12 09:50:14.108 INFO [stderr] warning: unused variable: `o`
Dec 12 09:50:14.108 INFO [stderr]    --> src/backend.rs:391:33
Dec 12 09:50:14.108 INFO [stderr]     |
Dec 12 09:50:14.108 INFO [stderr] 391 |             |u: usize, s: &str, o: &Oid| {
Dec 12 09:50:14.108 INFO [stderr]     |                                 ^ help: consider using `_o` instead
Dec 12 09:50:14.108 INFO [stderr] 
Dec 12 09:50:14.213 INFO [stderr] warning: unused import: `std::borrow::BorrowMut`
Dec 12 09:50:14.213 INFO [stderr]  --> src/backend.rs:4:5
Dec 12 09:50:14.213 INFO [stderr]   |
Dec 12 09:50:14.213 INFO [stderr] 4 | use std::borrow::BorrowMut;
Dec 12 09:50:14.213 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 12 09:50:14.213 INFO [stderr]   |
Dec 12 09:50:14.213 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 09:50:14.213 INFO [stderr] 
Dec 12 09:50:14.213 INFO [stderr] warning: unused import: `Write`
Dec 12 09:50:14.213 INFO [stderr]    --> src/conf.rs:301:19
Dec 12 09:50:14.213 INFO [stderr]     |
Dec 12 09:50:14.213 INFO [stderr] 301 |     use std::io::{Write,Read};
Dec 12 09:50:14.213 INFO [stderr]     |                   ^^^^^
Dec 12 09:50:14.213 INFO [stderr] 
Dec 12 09:50:14.244 INFO [stderr] warning: method is never used: `is_display_surrounded`
Dec 12 09:50:14.244 INFO [stderr]    --> src/conf.rs:153:5
Dec 12 09:50:14.244 INFO [stderr]     |
Dec 12 09:50:14.244 INFO [stderr] 153 |     fn is_display_surrounded(&self) -> bool {
Dec 12 09:50:14.244 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 09:50:14.244 INFO [stderr]     |
Dec 12 09:50:14.244 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 12 09:50:14.244 INFO [stderr] 
Dec 12 09:50:14.245 INFO [stderr] warning: unused variable: `c`
Dec 12 09:50:14.245 INFO [stderr]    --> src/conf.rs:377:13
Dec 12 09:50:14.245 INFO [stderr]     |
Dec 12 09:50:14.245 INFO [stderr] 377 |         let c = get_configuration(None, dm);
Dec 12 09:50:14.245 INFO [stderr]     |             ^ help: consider using `_c` instead
Dec 12 09:50:14.245 INFO [stderr]     |
Dec 12 09:50:14.245 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 12 09:50:14.245 INFO [stderr] 
Dec 12 09:50:14.246 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 09:50:14.248 INFO [stderr]    --> src/backend.rs:390:9
Dec 12 09:50:14.248 INFO [stderr]     |
Dec 12 09:50:14.248 INFO [stderr] 390 | /         self.repo.stash_foreach(
Dec 12 09:50:14.248 INFO [stderr] 391 | |             |u: usize, s: &str, o: &Oid| {
Dec 12 09:50:14.248 INFO [stderr] 392 | |                 count += 1;
Dec 12 09:50:14.248 INFO [stderr] 393 | |                 true
Dec 12 09:50:14.248 INFO [stderr] 394 | |             }
Dec 12 09:50:14.248 INFO [stderr] 395 | |         );
Dec 12 09:50:14.248 INFO [stderr]     | |__________^
Dec 12 09:50:14.248 INFO [stderr]     |
Dec 12 09:50:14.248 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 09:50:14.248 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 09:50:14.248 INFO [stderr] 
Dec 12 09:50:14.248 INFO [stderr] warning: unused variable: `u`
Dec 12 09:50:14.248 INFO [stderr]    --> src/backend.rs:391:14
Dec 12 09:50:14.252 INFO [stderr]     |
Dec 12 09:50:14.252 INFO [stderr] 391 |             |u: usize, s: &str, o: &Oid| {
Dec 12 09:50:14.252 INFO [stderr]     |              ^ help: consider using `_u` instead
Dec 12 09:50:14.252 INFO [stderr] 
Dec 12 09:50:14.252 INFO [stderr] warning: unused variable: `s`
Dec 12 09:50:14.252 INFO [stderr]    --> src/backend.rs:391:24
Dec 12 09:50:14.252 INFO [stderr]     |
Dec 12 09:50:14.252 INFO [stderr] 391 |             |u: usize, s: &str, o: &Oid| {
Dec 12 09:50:14.252 INFO [stderr]     |                        ^ help: consider using `_s` instead
Dec 12 09:50:14.252 INFO [stderr] 
Dec 12 09:50:14.252 INFO [stderr] warning: unused variable: `o`
Dec 12 09:50:14.252 INFO [stderr]    --> src/backend.rs:391:33
Dec 12 09:50:14.252 INFO [stderr]     |
Dec 12 09:50:14.252 INFO [stderr] 391 |             |u: usize, s: &str, o: &Oid| {
Dec 12 09:50:14.252 INFO [stderr]     |                                 ^ help: consider using `_o` instead
Dec 12 09:50:14.252 INFO [stderr] 
Dec 12 09:50:14.352 INFO [stderr] warning: method is never used: `is_display_surrounded`
Dec 12 09:50:14.352 INFO [stderr]    --> src/conf.rs:153:5
Dec 12 09:50:14.352 INFO [stderr]     |
Dec 12 09:50:14.352 INFO [stderr] 153 |     fn is_display_surrounded(&self) -> bool {
Dec 12 09:50:14.352 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 09:50:14.352 INFO [stderr]     |
Dec 12 09:50:14.352 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 12 09:50:14.352 INFO [stderr] 
Dec 12 09:50:14.356 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 09:50:14.356 INFO [stderr]    --> src/backend.rs:390:9
Dec 12 09:50:14.356 INFO [stderr]     |
Dec 12 09:50:14.356 INFO [stderr] 390 | /         self.repo.stash_foreach(
Dec 12 09:50:14.356 INFO [stderr] 391 | |             |u: usize, s: &str, o: &Oid| {
Dec 12 09:50:14.356 INFO [stderr] 392 | |                 count += 1;
Dec 12 09:50:14.356 INFO [stderr] 393 | |                 true
Dec 12 09:50:14.356 INFO [stderr] 394 | |             }
Dec 12 09:50:14.356 INFO [stderr] 395 | |         );
Dec 12 09:50:14.356 INFO [stderr]     | |__________^
Dec 12 09:50:14.356 INFO [stderr]     |
Dec 12 09:50:14.356 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 09:50:14.356 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 09:50:14.356 INFO [stderr] 
Dec 12 09:50:14.356 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 09:50:14.356 INFO [stderr]    --> src/conf.rs:352:9
Dec 12 09:50:14.356 INFO [stderr]     |
Dec 12 09:50:14.356 INFO [stderr] 352 | /         OpenOptions::new()
Dec 12 09:50:14.356 INFO [stderr] 353 | |                     .write(true)
Dec 12 09:50:14.356 INFO [stderr] 354 | |                     .create(true)
Dec 12 09:50:14.356 INFO [stderr] 355 | |                     .truncate(true)
Dec 12 09:50:14.356 INFO [stderr] 356 | |                     .open(p.clone());
Dec 12 09:50:14.356 INFO [stderr]     | |_____________________________________^
Dec 12 09:50:14.356 INFO [stderr]     |
Dec 12 09:50:14.356 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 09:50:14.356 INFO [stderr] 
Dec 12 09:50:14.356 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 09:50:14.356 INFO [stderr]    --> src/conf.rs:362:9
Dec 12 09:50:14.356 INFO [stderr]     |
Dec 12 09:50:14.356 INFO [stderr] 362 |         remove_file(p.clone());
Dec 12 09:50:14.356 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 09:50:14.356 INFO [stderr]     |
Dec 12 09:50:14.356 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 09:50:14.356 INFO [stderr] 
Dec 12 09:50:14.356 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 09:50:14.356 INFO [stderr]    --> src/conf.rs:368:13
Dec 12 09:50:14.356 INFO [stderr]     |
Dec 12 09:50:14.356 INFO [stderr] 368 |             remove_file(p.clone());
Dec 12 09:50:14.356 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 09:50:14.356 INFO [stderr]     |
Dec 12 09:50:14.356 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 09:50:14.356 INFO [stderr] 
Dec 12 09:50:14.356 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 09:50:14.356 INFO [stderr]    --> src/conf.rs:379:9
Dec 12 09:50:14.356 INFO [stderr]     |
Dec 12 09:50:14.356 INFO [stderr] 379 |         remove_file(p.clone());
Dec 12 09:50:14.356 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 09:50:14.356 INFO [stderr]     |
Dec 12 09:50:14.356 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 09:50:14.356 INFO [stderr] 
Dec 12 09:50:14.404 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.22s
Dec 12 09:50:14.404 INFO [stderr] su: No module specific data is present
Dec 12 09:50:15.168 INFO running `"docker" "inspect" "e1d5097f8c576b02f98a3bae5673f6749bead54e659b9bc1953420b0dd9376dc"`
Dec 12 09:50:15.596 INFO running `"docker" "rm" "-f" "e1d5097f8c576b02f98a3bae5673f6749bead54e659b9bc1953420b0dd9376dc"`
Dec 12 09:50:16.060 INFO [stdout] e1d5097f8c576b02f98a3bae5673f6749bead54e659b9bc1953420b0dd9376dc