Dec 17 12:36:40.445 INFO checking vemilyus/virtuoso against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 12:36:40.445 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 12:36:40.878 INFO [stdout] 0c5fd439114dda706587a279492926ffdcaf69f98e3283e177b167d959f03e67
Dec 17 12:36:40.886 INFO running `"docker" "start" "-a" "0c5fd439114dda706587a279492926ffdcaf69f98e3283e177b167d959f03e67"`
Dec 17 12:36:42.633 INFO [stderr]     Checking semver v0.9.0
Dec 17 12:36:42.633 INFO [stderr]     Checking yaml-rust v0.4.0
Dec 17 12:36:44.012 INFO [stderr]     Checking virtuoso v0.1.0 (/opt/crater/workdir)
Dec 17 12:36:44.328 INFO [stderr] warning: unused imports: `PathBuf`, `Path`
Dec 17 12:36:44.329 INFO [stderr]  --> src/delta.rs:3:17
Dec 17 12:36:44.329 INFO [stderr]   |
Dec 17 12:36:44.329 INFO [stderr] 3 | use std::path::{Path, PathBuf};
Dec 17 12:36:44.330 INFO [stderr]   |                 ^^^^  ^^^^^^^
Dec 17 12:36:44.330 INFO [stderr]   |
Dec 17 12:36:44.330 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 12:36:44.331 INFO [stderr] 
Dec 17 12:36:44.331 INFO [stderr] warning: unused import: `std::process::exit`
Dec 17 12:36:44.331 INFO [stderr]  --> src/delta.rs:4:5
Dec 17 12:36:44.331 INFO [stderr]   |
Dec 17 12:36:44.332 INFO [stderr] 4 | use std::process::exit;
Dec 17 12:36:44.332 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 17 12:36:44.332 INFO [stderr] 
Dec 17 12:36:44.333 INFO [stderr] warning: unused import: `utils::*`
Dec 17 12:36:44.333 INFO [stderr]  --> src/dockerfile.rs:3:5
Dec 17 12:36:44.333 INFO [stderr]   |
Dec 17 12:36:44.333 INFO [stderr] 3 | use utils::*;
Dec 17 12:36:44.334 INFO [stderr]   |     ^^^^^^^^
Dec 17 12:36:44.334 INFO [stderr] 
Dec 17 12:36:44.334 INFO [stderr] warning: unused import: `yaml_rust::YamlLoader`
Dec 17 12:36:44.334 INFO [stderr]  --> src/dockerfile.rs:4:5
Dec 17 12:36:44.334 INFO [stderr]   |
Dec 17 12:36:44.335 INFO [stderr] 4 | use yaml_rust::YamlLoader;
Dec 17 12:36:44.335 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:36:44.335 INFO [stderr] 
Dec 17 12:36:44.335 INFO [stderr] warning: unused import: `std::io`
Dec 17 12:36:44.336 INFO [stderr]  --> src/utils.rs:4:5
Dec 17 12:36:44.336 INFO [stderr]   |
Dec 17 12:36:44.336 INFO [stderr] 4 | use std::io;
Dec 17 12:36:44.336 INFO [stderr]   |     ^^^^^^^
Dec 17 12:36:44.337 INFO [stderr] 
Dec 17 12:36:44.361 INFO [stderr] warning: unused imports: `PathBuf`, `Path`
Dec 17 12:36:44.361 INFO [stderr]  --> src/delta.rs:3:17
Dec 17 12:36:44.362 INFO [stderr]   |
Dec 17 12:36:44.362 INFO [stderr] 3 | use std::path::{Path, PathBuf};
Dec 17 12:36:44.362 INFO [stderr]   |                 ^^^^  ^^^^^^^
Dec 17 12:36:44.362 INFO [stderr]   |
Dec 17 12:36:44.363 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 12:36:44.363 INFO [stderr] 
Dec 17 12:36:44.363 INFO [stderr] warning: unused import: `std::process::exit`
Dec 17 12:36:44.363 INFO [stderr]  --> src/delta.rs:4:5
Dec 17 12:36:44.364 INFO [stderr]   |
Dec 17 12:36:44.364 INFO [stderr] 4 | use std::process::exit;
Dec 17 12:36:44.364 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 17 12:36:44.364 INFO [stderr] 
Dec 17 12:36:44.365 INFO [stderr] warning: unused import: `utils::*`
Dec 17 12:36:44.365 INFO [stderr]  --> src/dockerfile.rs:3:5
Dec 17 12:36:44.365 INFO [stderr]   |
Dec 17 12:36:44.366 INFO [stderr] 3 | use utils::*;
Dec 17 12:36:44.366 INFO [stderr]   |     ^^^^^^^^
Dec 17 12:36:44.366 INFO [stderr] 
Dec 17 12:36:44.366 INFO [stderr] warning: unused import: `yaml_rust::YamlLoader`
Dec 17 12:36:44.367 INFO [stderr]  --> src/dockerfile.rs:4:5
Dec 17 12:36:44.367 INFO [stderr]   |
Dec 17 12:36:44.367 INFO [stderr] 4 | use yaml_rust::YamlLoader;
Dec 17 12:36:44.368 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:36:44.368 INFO [stderr] 
Dec 17 12:36:44.368 INFO [stderr] warning: unused import: `std::io`
Dec 17 12:36:44.368 INFO [stderr]  --> src/utils.rs:4:5
Dec 17 12:36:44.369 INFO [stderr]   |
Dec 17 12:36:44.369 INFO [stderr] 4 | use std::io;
Dec 17 12:36:44.369 INFO [stderr]   |     ^^^^^^^
Dec 17 12:36:44.369 INFO [stderr] 
Dec 17 12:36:44.520 INFO [stderr] warning: unused variable: `repo`
Dec 17 12:36:44.521 INFO [stderr]  --> src/delta.rs:7:29
Dec 17 12:36:44.521 INFO [stderr]   |
Dec 17 12:36:44.521 INFO [stderr] 7 | pub fn process_delta<'repo>(repo: &'repo Repository,
Dec 17 12:36:44.521 INFO [stderr]   |                             ^^^^ help: consider using `_repo` instead
Dec 17 12:36:44.522 INFO [stderr]   |
Dec 17 12:36:44.522 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 17 12:36:44.522 INFO [stderr] 
Dec 17 12:36:44.523 INFO [stderr] warning: unused variable: `current_delta`
Dec 17 12:36:44.523 INFO [stderr]  --> src/delta.rs:8:29
Dec 17 12:36:44.523 INFO [stderr]   |
Dec 17 12:36:44.524 INFO [stderr] 8 |                             current_delta: &'repo DiffDelta,
Dec 17 12:36:44.524 INFO [stderr]   |                             ^^^^^^^^^^^^^ help: consider using `_current_delta` instead
Dec 17 12:36:44.524 INFO [stderr] 
Dec 17 12:36:44.525 INFO [stderr] warning: unused variable: `all_deltas`
Dec 17 12:36:44.525 INFO [stderr]  --> src/delta.rs:9:29
Dec 17 12:36:44.525 INFO [stderr]   |
Dec 17 12:36:44.525 INFO [stderr] 9 |                             all_deltas: &Vec<DiffDelta>,
Dec 17 12:36:44.526 INFO [stderr]   |                             ^^^^^^^^^^ help: consider using `_all_deltas` instead
Dec 17 12:36:44.526 INFO [stderr] 
Dec 17 12:36:44.526 INFO [stderr] warning: unused variable: `config`
Dec 17 12:36:44.526 INFO [stderr]   --> src/delta.rs:10:29
Dec 17 12:36:44.527 INFO [stderr]    |
Dec 17 12:36:44.527 INFO [stderr] 10 |                             config: &Config) {}
Dec 17 12:36:44.527 INFO [stderr]    |                             ^^^^^^ help: consider using `_config` instead
Dec 17 12:36:44.527 INFO [stderr] 
Dec 17 12:36:44.528 INFO [stderr] warning: unused variable: `path`
Dec 17 12:36:44.528 INFO [stderr]  --> src/dockerfile.rs:6:30
Dec 17 12:36:44.528 INFO [stderr]   |
Dec 17 12:36:44.528 INFO [stderr] 6 | pub fn try_read_compose_file(path: &Path) -> Result<DComposeFile, Option<Output>> {
Dec 17 12:36:44.529 INFO [stderr]   |                              ^^^^ help: consider using `_path` instead
Dec 17 12:36:44.529 INFO [stderr] 
Dec 17 12:36:44.592 INFO [stderr] warning: function is never used: `try_read_compose_file`
Dec 17 12:36:44.593 INFO [stderr]  --> src/dockerfile.rs:6:1
Dec 17 12:36:44.593 INFO [stderr]   |
Dec 17 12:36:44.593 INFO [stderr] 6 | pub fn try_read_compose_file(path: &Path) -> Result<DComposeFile, Option<Output>> {
Dec 17 12:36:44.594 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:36:44.594 INFO [stderr]   |
Dec 17 12:36:44.594 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 12:36:44.594 INFO [stderr] 
Dec 17 12:36:44.595 INFO [stderr] warning: struct is never constructed: `DComposeFile`
Dec 17 12:36:44.595 INFO [stderr]   --> src/dockerfile.rs:11:1
Dec 17 12:36:44.595 INFO [stderr]    |
Dec 17 12:36:44.596 INFO [stderr] 11 | pub struct DComposeFile<'a> {
Dec 17 12:36:44.596 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:36:44.596 INFO [stderr] 
Dec 17 12:36:44.597 INFO [stderr] warning: method is never used: `new`
Dec 17 12:36:44.597 INFO [stderr]   --> src/dockerfile.rs:17:5
Dec 17 12:36:44.597 INFO [stderr]    |
Dec 17 12:36:44.598 INFO [stderr] 17 |     fn new(path: &'a Path, services: Vec<DCService<'a>>) -> DComposeFile<'a> {
Dec 17 12:36:44.598 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:36:44.598 INFO [stderr] 
Dec 17 12:36:44.598 INFO [stderr] warning: struct is never constructed: `DCService`
Dec 17 12:36:44.599 INFO [stderr]   --> src/dockerfile.rs:26:1
Dec 17 12:36:44.599 INFO [stderr]    |
Dec 17 12:36:44.599 INFO [stderr] 26 | pub struct DCService<'a> {
Dec 17 12:36:44.599 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:36:44.600 INFO [stderr] 
Dec 17 12:36:44.600 INFO [stderr] warning: method is never used: `new`
Dec 17 12:36:44.600 INFO [stderr]   --> src/dockerfile.rs:32:5
Dec 17 12:36:44.600 INFO [stderr]    |
Dec 17 12:36:44.601 INFO [stderr] 32 |     fn new(name: &'a str, docker_file: Option<&'a Path>) -> DCService<'a> {
Dec 17 12:36:44.601 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:36:44.601 INFO [stderr] 
Dec 17 12:36:44.735 INFO [stderr] warning: unused variable: `repo`
Dec 17 12:36:44.736 INFO [stderr]  --> src/delta.rs:7:29
Dec 17 12:36:44.736 INFO [stderr]   |
Dec 17 12:36:44.736 INFO [stderr] 7 | pub fn process_delta<'repo>(repo: &'repo Repository,
Dec 17 12:36:44.736 INFO [stderr]   |                             ^^^^ help: consider using `_repo` instead
Dec 17 12:36:44.737 INFO [stderr]   |
Dec 17 12:36:44.737 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 17 12:36:44.737 INFO [stderr] 
Dec 17 12:36:44.738 INFO [stderr] warning: unused variable: `current_delta`
Dec 17 12:36:44.738 INFO [stderr]  --> src/delta.rs:8:29
Dec 17 12:36:44.738 INFO [stderr]   |
Dec 17 12:36:44.738 INFO [stderr] 8 |                             current_delta: &'repo DiffDelta,
Dec 17 12:36:44.739 INFO [stderr]   |                             ^^^^^^^^^^^^^ help: consider using `_current_delta` instead
Dec 17 12:36:44.739 INFO [stderr] 
Dec 17 12:36:44.739 INFO [stderr] warning: unused variable: `all_deltas`
Dec 17 12:36:44.739 INFO [stderr]  --> src/delta.rs:9:29
Dec 17 12:36:44.740 INFO [stderr]   |
Dec 17 12:36:44.740 INFO [stderr] 9 |                             all_deltas: &Vec<DiffDelta>,
Dec 17 12:36:44.740 INFO [stderr]   |                             ^^^^^^^^^^ help: consider using `_all_deltas` instead
Dec 17 12:36:44.741 INFO [stderr] 
Dec 17 12:36:44.741 INFO [stderr] warning: unused variable: `config`
Dec 17 12:36:44.741 INFO [stderr]   --> src/delta.rs:10:29
Dec 17 12:36:44.741 INFO [stderr]    |
Dec 17 12:36:44.742 INFO [stderr] 10 |                             config: &Config) {}
Dec 17 12:36:44.742 INFO [stderr]    |                             ^^^^^^ help: consider using `_config` instead
Dec 17 12:36:44.742 INFO [stderr] 
Dec 17 12:36:44.743 INFO [stderr] warning: unused variable: `path`
Dec 17 12:36:44.743 INFO [stderr]  --> src/dockerfile.rs:6:30
Dec 17 12:36:44.743 INFO [stderr]   |
Dec 17 12:36:44.743 INFO [stderr] 6 | pub fn try_read_compose_file(path: &Path) -> Result<DComposeFile, Option<Output>> {
Dec 17 12:36:44.744 INFO [stderr]   |                              ^^^^ help: consider using `_path` instead
Dec 17 12:36:44.744 INFO [stderr] 
Dec 17 12:36:44.806 INFO [stderr] warning: function is never used: `try_read_compose_file`
Dec 17 12:36:44.806 INFO [stderr]  --> src/dockerfile.rs:6:1
Dec 17 12:36:44.806 INFO [stderr]   |
Dec 17 12:36:44.807 INFO [stderr] 6 | pub fn try_read_compose_file(path: &Path) -> Result<DComposeFile, Option<Output>> {
Dec 17 12:36:44.807 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:36:44.807 INFO [stderr]   |
Dec 17 12:36:44.807 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 12:36:44.808 INFO [stderr] 
Dec 17 12:36:44.808 INFO [stderr] warning: struct is never constructed: `DComposeFile`
Dec 17 12:36:44.808 INFO [stderr]   --> src/dockerfile.rs:11:1
Dec 17 12:36:44.808 INFO [stderr]    |
Dec 17 12:36:44.809 INFO [stderr] 11 | pub struct DComposeFile<'a> {
Dec 17 12:36:44.809 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:36:44.809 INFO [stderr] 
Dec 17 12:36:44.809 INFO [stderr] warning: method is never used: `new`
Dec 17 12:36:44.810 INFO [stderr]   --> src/dockerfile.rs:17:5
Dec 17 12:36:44.810 INFO [stderr]    |
Dec 17 12:36:44.810 INFO [stderr] 17 |     fn new(path: &'a Path, services: Vec<DCService<'a>>) -> DComposeFile<'a> {
Dec 17 12:36:44.810 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:36:44.811 INFO [stderr] 
Dec 17 12:36:44.811 INFO [stderr] warning: struct is never constructed: `DCService`
Dec 17 12:36:44.811 INFO [stderr]   --> src/dockerfile.rs:26:1
Dec 17 12:36:44.811 INFO [stderr]    |
Dec 17 12:36:44.812 INFO [stderr] 26 | pub struct DCService<'a> {
Dec 17 12:36:44.812 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:36:44.812 INFO [stderr] 
Dec 17 12:36:44.812 INFO [stderr] warning: method is never used: `new`
Dec 17 12:36:44.813 INFO [stderr]   --> src/dockerfile.rs:32:5
Dec 17 12:36:44.813 INFO [stderr]    |
Dec 17 12:36:44.813 INFO [stderr] 32 |     fn new(name: &'a str, docker_file: Option<&'a Path>) -> DCService<'a> {
Dec 17 12:36:44.813 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:36:44.814 INFO [stderr] 
Dec 17 12:36:44.850 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.35s
Dec 17 12:36:46.316 INFO running `"docker" "inspect" "0c5fd439114dda706587a279492926ffdcaf69f98e3283e177b167d959f03e67"`
Dec 17 12:36:46.686 INFO running `"docker" "rm" "-f" "0c5fd439114dda706587a279492926ffdcaf69f98e3283e177b167d959f03e67"`
Dec 17 12:36:47.023 INFO [stdout] 0c5fd439114dda706587a279492926ffdcaf69f98e3283e177b167d959f03e67