Dec 19 06:09:48.288 INFO checking vemilyus/virtuoso against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 06:09:48.288 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/vemilyus/virtuoso:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 06:09:48.796 INFO [stdout] 171c747bf9fe063680096e52cf39843442e5f3b550faf9aa179afd011e0c8449
Dec 19 06:09:48.802 INFO running `"docker" "start" "-a" "171c747bf9fe063680096e52cf39843442e5f3b550faf9aa179afd011e0c8449"`
Dec 19 06:09:50.684 INFO [stderr]    Compiling cc v1.0.23
Dec 19 06:09:50.684 INFO [stderr]    Compiling regex v1.0.4
Dec 19 06:09:50.728 INFO [stderr]     Checking semver v0.9.0
Dec 19 06:09:56.898 INFO [stderr]    Compiling openssl-sys v0.9.35
Dec 19 06:09:56.899 INFO [stderr]    Compiling cmake v0.1.33
Dec 19 06:09:56.900 INFO [stderr]    Compiling libz-sys v1.0.20
Dec 19 06:09:56.900 INFO [stderr]    Compiling curl-sys v0.4.8
Dec 19 06:10:00.108 INFO [stderr]    Compiling libssh2-sys v0.2.10
Dec 19 06:10:00.314 INFO [stderr]    Compiling libgit2-sys v0.7.7
Dec 19 06:13:33.202 INFO [stderr]     Checking git2 v0.7.5
Dec 19 06:13:37.172 INFO [stderr]     Checking virtuoso v0.1.0 (/opt/crater/workdir)
Dec 19 06:13:37.452 INFO [stderr] warning: unused imports: `PathBuf`, `Path`
Dec 19 06:13:37.452 INFO [stderr]  --> src/delta.rs:3:17
Dec 19 06:13:37.452 INFO [stderr]   |
Dec 19 06:13:37.452 INFO [stderr] 3 | use std::path::{Path, PathBuf};
Dec 19 06:13:37.452 INFO [stderr]   |                 ^^^^  ^^^^^^^
Dec 19 06:13:37.469 INFO [stderr]   |
Dec 19 06:13:37.469 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 06:13:37.469 INFO [stderr] 
Dec 19 06:13:37.469 INFO [stderr] warning: unused import: `std::process::exit`
Dec 19 06:13:37.469 INFO [stderr]  --> src/delta.rs:4:5
Dec 19 06:13:37.469 INFO [stderr]   |
Dec 19 06:13:37.469 INFO [stderr] 4 | use std::process::exit;
Dec 19 06:13:37.469 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 19 06:13:37.469 INFO [stderr] 
Dec 19 06:13:37.469 INFO [stderr] warning: unused import: `utils::*`
Dec 19 06:13:37.469 INFO [stderr]  --> src/dockerfile.rs:3:5
Dec 19 06:13:37.469 INFO [stderr]   |
Dec 19 06:13:37.469 INFO [stderr] 3 | use utils::*;
Dec 19 06:13:37.469 INFO [stderr]   |     ^^^^^^^^
Dec 19 06:13:37.469 INFO [stderr] 
Dec 19 06:13:37.469 INFO [stderr] warning: unused import: `yaml_rust::YamlLoader`
Dec 19 06:13:37.469 INFO [stderr]  --> src/dockerfile.rs:4:5
Dec 19 06:13:37.469 INFO [stderr]   |
Dec 19 06:13:37.469 INFO [stderr] 4 | use yaml_rust::YamlLoader;
Dec 19 06:13:37.469 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 06:13:37.469 INFO [stderr] 
Dec 19 06:13:37.469 INFO [stderr] warning: unused import: `std::io`
Dec 19 06:13:37.469 INFO [stderr]  --> src/utils.rs:4:5
Dec 19 06:13:37.469 INFO [stderr]   |
Dec 19 06:13:37.469 INFO [stderr] 4 | use std::io;
Dec 19 06:13:37.469 INFO [stderr]   |     ^^^^^^^
Dec 19 06:13:37.469 INFO [stderr] 
Dec 19 06:13:37.576 INFO [stderr] warning: unused imports: `PathBuf`, `Path`
Dec 19 06:13:37.576 INFO [stderr]  --> src/delta.rs:3:17
Dec 19 06:13:37.576 INFO [stderr]   |
Dec 19 06:13:37.576 INFO [stderr] 3 | use std::path::{Path, PathBuf};
Dec 19 06:13:37.576 INFO [stderr]   |                 ^^^^  ^^^^^^^
Dec 19 06:13:37.576 INFO [stderr]   |
Dec 19 06:13:37.576 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 06:13:37.576 INFO [stderr] 
Dec 19 06:13:37.576 INFO [stderr] warning: unused import: `std::process::exit`
Dec 19 06:13:37.576 INFO [stderr]  --> src/delta.rs:4:5
Dec 19 06:13:37.576 INFO [stderr]   |
Dec 19 06:13:37.576 INFO [stderr] 4 | use std::process::exit;
Dec 19 06:13:37.576 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 19 06:13:37.576 INFO [stderr] 
Dec 19 06:13:37.576 INFO [stderr] warning: unused import: `utils::*`
Dec 19 06:13:37.576 INFO [stderr]  --> src/dockerfile.rs:3:5
Dec 19 06:13:37.576 INFO [stderr]   |
Dec 19 06:13:37.576 INFO [stderr] 3 | use utils::*;
Dec 19 06:13:37.576 INFO [stderr]   |     ^^^^^^^^
Dec 19 06:13:37.576 INFO [stderr] 
Dec 19 06:13:37.576 INFO [stderr] warning: unused import: `yaml_rust::YamlLoader`
Dec 19 06:13:37.576 INFO [stderr]  --> src/dockerfile.rs:4:5
Dec 19 06:13:37.576 INFO [stderr]   |
Dec 19 06:13:37.576 INFO [stderr] 4 | use yaml_rust::YamlLoader;
Dec 19 06:13:37.576 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 06:13:37.576 INFO [stderr] 
Dec 19 06:13:37.576 INFO [stderr] warning: unused import: `std::io`
Dec 19 06:13:37.576 INFO [stderr]  --> src/utils.rs:4:5
Dec 19 06:13:37.576 INFO [stderr]   |
Dec 19 06:13:37.576 INFO [stderr] 4 | use std::io;
Dec 19 06:13:37.576 INFO [stderr]   |     ^^^^^^^
Dec 19 06:13:37.576 INFO [stderr] 
Dec 19 06:13:37.680 INFO [stderr] warning: unused variable: `repo`
Dec 19 06:13:37.680 INFO [stderr]  --> src/delta.rs:7:29
Dec 19 06:13:37.680 INFO [stderr]   |
Dec 19 06:13:37.680 INFO [stderr] 7 | pub fn process_delta<'repo>(repo: &'repo Repository,
Dec 19 06:13:37.680 INFO [stderr]   |                             ^^^^ help: consider using `_repo` instead
Dec 19 06:13:37.680 INFO [stderr]   |
Dec 19 06:13:37.680 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 19 06:13:37.680 INFO [stderr] 
Dec 19 06:13:37.680 INFO [stderr] warning: unused variable: `current_delta`
Dec 19 06:13:37.680 INFO [stderr]  --> src/delta.rs:8:29
Dec 19 06:13:37.680 INFO [stderr]   |
Dec 19 06:13:37.680 INFO [stderr] 8 |                             current_delta: &'repo DiffDelta,
Dec 19 06:13:37.680 INFO [stderr]   |                             ^^^^^^^^^^^^^ help: consider using `_current_delta` instead
Dec 19 06:13:37.680 INFO [stderr] 
Dec 19 06:13:37.680 INFO [stderr] warning: unused variable: `all_deltas`
Dec 19 06:13:37.680 INFO [stderr]  --> src/delta.rs:9:29
Dec 19 06:13:37.681 INFO [stderr]   |
Dec 19 06:13:37.681 INFO [stderr] 9 |                             all_deltas: &Vec<DiffDelta>,
Dec 19 06:13:37.681 INFO [stderr]   |                             ^^^^^^^^^^ help: consider using `_all_deltas` instead
Dec 19 06:13:37.681 INFO [stderr] 
Dec 19 06:13:37.681 INFO [stderr] warning: unused variable: `config`
Dec 19 06:13:37.681 INFO [stderr]   --> src/delta.rs:10:29
Dec 19 06:13:37.681 INFO [stderr]    |
Dec 19 06:13:37.681 INFO [stderr] 10 |                             config: &Config) {}
Dec 19 06:13:37.681 INFO [stderr]    |                             ^^^^^^ help: consider using `_config` instead
Dec 19 06:13:37.681 INFO [stderr] 
Dec 19 06:13:37.681 INFO [stderr] warning: unused variable: `path`
Dec 19 06:13:37.681 INFO [stderr]  --> src/dockerfile.rs:6:30
Dec 19 06:13:37.681 INFO [stderr]   |
Dec 19 06:13:37.681 INFO [stderr] 6 | pub fn try_read_compose_file(path: &Path) -> Result<DComposeFile, Option<Output>> {
Dec 19 06:13:37.681 INFO [stderr]   |                              ^^^^ help: consider using `_path` instead
Dec 19 06:13:37.681 INFO [stderr] 
Dec 19 06:13:37.760 INFO [stderr] warning: function is never used: `try_read_compose_file`
Dec 19 06:13:37.760 INFO [stderr]  --> src/dockerfile.rs:6:1
Dec 19 06:13:37.760 INFO [stderr]   |
Dec 19 06:13:37.760 INFO [stderr] 6 | pub fn try_read_compose_file(path: &Path) -> Result<DComposeFile, Option<Output>> {
Dec 19 06:13:37.760 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 06:13:37.760 INFO [stderr]   |
Dec 19 06:13:37.760 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 06:13:37.760 INFO [stderr] 
Dec 19 06:13:37.760 INFO [stderr] warning: struct is never constructed: `DComposeFile`
Dec 19 06:13:37.760 INFO [stderr]   --> src/dockerfile.rs:11:1
Dec 19 06:13:37.760 INFO [stderr]    |
Dec 19 06:13:37.761 INFO [stderr] 11 | pub struct DComposeFile<'a> {
Dec 19 06:13:37.761 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 06:13:37.761 INFO [stderr] 
Dec 19 06:13:37.761 INFO [stderr] warning: method is never used: `new`
Dec 19 06:13:37.761 INFO [stderr]   --> src/dockerfile.rs:17:5
Dec 19 06:13:37.761 INFO [stderr]    |
Dec 19 06:13:37.761 INFO [stderr] 17 |     fn new(path: &'a Path, services: Vec<DCService<'a>>) -> DComposeFile<'a> {
Dec 19 06:13:37.761 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 06:13:37.761 INFO [stderr] 
Dec 19 06:13:37.761 INFO [stderr] warning: struct is never constructed: `DCService`
Dec 19 06:13:37.761 INFO [stderr]   --> src/dockerfile.rs:26:1
Dec 19 06:13:37.761 INFO [stderr]    |
Dec 19 06:13:37.761 INFO [stderr] 26 | pub struct DCService<'a> {
Dec 19 06:13:37.761 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 06:13:37.761 INFO [stderr] 
Dec 19 06:13:37.761 INFO [stderr] warning: method is never used: `new`
Dec 19 06:13:37.761 INFO [stderr]   --> src/dockerfile.rs:32:5
Dec 19 06:13:37.761 INFO [stderr]    |
Dec 19 06:13:37.761 INFO [stderr] 32 |     fn new(name: &'a str, docker_file: Option<&'a Path>) -> DCService<'a> {
Dec 19 06:13:37.761 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 06:13:37.761 INFO [stderr] 
Dec 19 06:13:37.808 INFO [stderr] warning: unused variable: `repo`
Dec 19 06:13:37.808 INFO [stderr]  --> src/delta.rs:7:29
Dec 19 06:13:37.808 INFO [stderr]   |
Dec 19 06:13:37.808 INFO [stderr] 7 | pub fn process_delta<'repo>(repo: &'repo Repository,
Dec 19 06:13:37.808 INFO [stderr]   |                             ^^^^ help: consider using `_repo` instead
Dec 19 06:13:37.808 INFO [stderr]   |
Dec 19 06:13:37.808 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 19 06:13:37.808 INFO [stderr] 
Dec 19 06:13:37.808 INFO [stderr] warning: unused variable: `current_delta`
Dec 19 06:13:37.808 INFO [stderr]  --> src/delta.rs:8:29
Dec 19 06:13:37.808 INFO [stderr]   |
Dec 19 06:13:37.808 INFO [stderr] 8 |                             current_delta: &'repo DiffDelta,
Dec 19 06:13:37.808 INFO [stderr]   |                             ^^^^^^^^^^^^^ help: consider using `_current_delta` instead
Dec 19 06:13:37.808 INFO [stderr] 
Dec 19 06:13:37.808 INFO [stderr] warning: unused variable: `all_deltas`
Dec 19 06:13:37.808 INFO [stderr]  --> src/delta.rs:9:29
Dec 19 06:13:37.808 INFO [stderr]   |
Dec 19 06:13:37.808 INFO [stderr] 9 |                             all_deltas: &Vec<DiffDelta>,
Dec 19 06:13:37.808 INFO [stderr]   |                             ^^^^^^^^^^ help: consider using `_all_deltas` instead
Dec 19 06:13:37.808 INFO [stderr] 
Dec 19 06:13:37.808 INFO [stderr] warning: unused variable: `config`
Dec 19 06:13:37.808 INFO [stderr]   --> src/delta.rs:10:29
Dec 19 06:13:37.808 INFO [stderr]    |
Dec 19 06:13:37.808 INFO [stderr] 10 |                             config: &Config) {}
Dec 19 06:13:37.808 INFO [stderr]    |                             ^^^^^^ help: consider using `_config` instead
Dec 19 06:13:37.808 INFO [stderr] 
Dec 19 06:13:37.808 INFO [stderr] warning: unused variable: `path`
Dec 19 06:13:37.808 INFO [stderr]  --> src/dockerfile.rs:6:30
Dec 19 06:13:37.808 INFO [stderr]   |
Dec 19 06:13:37.808 INFO [stderr] 6 | pub fn try_read_compose_file(path: &Path) -> Result<DComposeFile, Option<Output>> {
Dec 19 06:13:37.808 INFO [stderr]   |                              ^^^^ help: consider using `_path` instead
Dec 19 06:13:37.808 INFO [stderr] 
Dec 19 06:13:37.816 INFO [stderr] warning: function is never used: `try_read_compose_file`
Dec 19 06:13:37.816 INFO [stderr]  --> src/dockerfile.rs:6:1
Dec 19 06:13:37.816 INFO [stderr]   |
Dec 19 06:13:37.816 INFO [stderr] 6 | pub fn try_read_compose_file(path: &Path) -> Result<DComposeFile, Option<Output>> {
Dec 19 06:13:37.816 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 06:13:37.816 INFO [stderr]   |
Dec 19 06:13:37.816 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 06:13:37.816 INFO [stderr] 
Dec 19 06:13:37.816 INFO [stderr] warning: struct is never constructed: `DComposeFile`
Dec 19 06:13:37.816 INFO [stderr]   --> src/dockerfile.rs:11:1
Dec 19 06:13:37.816 INFO [stderr]    |
Dec 19 06:13:37.816 INFO [stderr] 11 | pub struct DComposeFile<'a> {
Dec 19 06:13:37.816 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 06:13:37.816 INFO [stderr] 
Dec 19 06:13:37.816 INFO [stderr] warning: method is never used: `new`
Dec 19 06:13:37.816 INFO [stderr]   --> src/dockerfile.rs:17:5
Dec 19 06:13:37.817 INFO [stderr]    |
Dec 19 06:13:37.817 INFO [stderr] 17 |     fn new(path: &'a Path, services: Vec<DCService<'a>>) -> DComposeFile<'a> {
Dec 19 06:13:37.817 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 06:13:37.817 INFO [stderr] 
Dec 19 06:13:37.817 INFO [stderr] warning: struct is never constructed: `DCService`
Dec 19 06:13:37.817 INFO [stderr]   --> src/dockerfile.rs:26:1
Dec 19 06:13:37.817 INFO [stderr]    |
Dec 19 06:13:37.817 INFO [stderr] 26 | pub struct DCService<'a> {
Dec 19 06:13:37.817 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 06:13:37.817 INFO [stderr] 
Dec 19 06:13:37.817 INFO [stderr] warning: method is never used: `new`
Dec 19 06:13:37.817 INFO [stderr]   --> src/dockerfile.rs:32:5
Dec 19 06:13:37.817 INFO [stderr]    |
Dec 19 06:13:37.817 INFO [stderr] 32 |     fn new(name: &'a str, docker_file: Option<&'a Path>) -> DCService<'a> {
Dec 19 06:13:37.817 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 06:13:37.817 INFO [stderr] 
Dec 19 06:13:37.892 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 47s
Dec 19 06:13:38.530 INFO running `"docker" "inspect" "171c747bf9fe063680096e52cf39843442e5f3b550faf9aa179afd011e0c8449"`
Dec 19 06:13:38.746 INFO running `"docker" "rm" "-f" "171c747bf9fe063680096e52cf39843442e5f3b550faf9aa179afd011e0c8449"`
Dec 19 06:13:39.040 INFO [stdout] 171c747bf9fe063680096e52cf39843442e5f3b550faf9aa179afd011e0c8449