[INFO] updating cached repository https://github.com/vemilyus/virtuoso
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bd34249903ce67609b57a086a679552239f8e5b1
[INFO] checking vemilyus/virtuoso against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvemilyus%2Fvirtuoso" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vemilyus/virtuoso on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/vemilyus/virtuoso
[INFO] finished tweaking git repo https://github.com/vemilyus/virtuoso
[INFO] tweaked toml for git repo https://github.com/vemilyus/virtuoso written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/vemilyus/virtuoso already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fb58df866f46a48a0dba1880d0e6a5119cfb2a846fecd87ca2a99c49b573a5cf
[INFO] running `"docker" "start" "-a" "fb58df866f46a48a0dba1880d0e6a5119cfb2a846fecd87ca2a99c49b573a5cf"`
[INFO] [stderr]    Compiling cc v1.0.23
[INFO] [stderr]    Compiling regex v1.0.4
[INFO] [stderr]     Checking memchr v2.0.2
[INFO] [stderr]     Checking aho-corasick v0.6.8
[INFO] [stderr]    Compiling cmake v0.1.33
[INFO] [stderr]    Compiling libz-sys v1.0.20
[INFO] [stderr]    Compiling openssl-sys v0.9.35
[INFO] [stderr]    Compiling curl-sys v0.4.8
[INFO] [stderr]    Compiling libssh2-sys v0.2.10
[INFO] [stderr]    Compiling libgit2-sys v0.7.7
[INFO] [stderr]     Checking git2 v0.7.5
[INFO] [stderr]     Checking virtuoso v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `PathBuf`, `Path`
[INFO] [stderr]  --> src/delta.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::path::{Path, PathBuf};
[INFO] [stderr]   |                 ^^^^  ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::process::exit`
[INFO] [stderr]  --> src/delta.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::process::exit;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `utils::*`
[INFO] [stderr]  --> src/dockerfile.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use utils::*;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `yaml_rust::YamlLoader`
[INFO] [stderr]  --> src/dockerfile.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use yaml_rust::YamlLoader;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/utils.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `PathBuf`, `Path`
[INFO] [stderr]  --> src/delta.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::path::{Path, PathBuf};
[INFO] [stderr]   |                 ^^^^  ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::process::exit`
[INFO] [stderr]  --> src/delta.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::process::exit;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `utils::*`
[INFO] [stderr]  --> src/dockerfile.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use utils::*;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `yaml_rust::YamlLoader`
[INFO] [stderr]  --> src/dockerfile.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use yaml_rust::YamlLoader;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/utils.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `repo`
[INFO] [stderr]  --> src/delta.rs:7:29
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn process_delta<'repo>(repo: &'repo Repository,
[INFO] [stderr]   |                             ^^^^ help: consider prefixing with an underscore: `_repo`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `current_delta`
[INFO] [stderr]  --> src/delta.rs:8:29
[INFO] [stderr]   |
[INFO] [stderr] 8 | ...                   current_delta: &'repo DiffDelta,
[INFO] [stderr]   |                       ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_current_delta`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `all_deltas`
[INFO] [stderr]  --> src/delta.rs:9:29
[INFO] [stderr]   |
[INFO] [stderr] 9 | ...                   all_deltas: &Vec<DiffDelta>,
[INFO] [stderr]   |                       ^^^^^^^^^^ help: consider prefixing with an underscore: `_all_deltas`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]   --> src/delta.rs:10:29
[INFO] [stderr]    |
[INFO] [stderr] 10 | ...                   config: &Config) {}
[INFO] [stderr]    |                       ^^^^^^ help: consider prefixing with an underscore: `_config`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]  --> src/dockerfile.rs:6:30
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn try_read_compose_file(path: &Path) -> Result<DComposeFile, Option<Output>> {
[INFO] [stderr]   |                              ^^^^ help: consider prefixing with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `repo`
[INFO] [stderr]  --> src/delta.rs:7:29
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn process_delta<'repo>(repo: &'repo Repository,
[INFO] [stderr]   |                             ^^^^ help: consider prefixing with an underscore: `_repo`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `current_delta`
[INFO] [stderr]  --> src/delta.rs:8:29
[INFO] [stderr]   |
[INFO] [stderr] 8 | ...                   current_delta: &'repo DiffDelta,
[INFO] [stderr]   |                       ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_current_delta`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `all_deltas`
[INFO] [stderr]  --> src/delta.rs:9:29
[INFO] [stderr]   |
[INFO] [stderr] 9 | ...                   all_deltas: &Vec<DiffDelta>,
[INFO] [stderr]   |                       ^^^^^^^^^^ help: consider prefixing with an underscore: `_all_deltas`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]   --> src/delta.rs:10:29
[INFO] [stderr]    |
[INFO] [stderr] 10 | ...                   config: &Config) {}
[INFO] [stderr]    |                       ^^^^^^ help: consider prefixing with an underscore: `_config`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]  --> src/dockerfile.rs:6:30
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn try_read_compose_file(path: &Path) -> Result<DComposeFile, Option<Output>> {
[INFO] [stderr]   |                              ^^^^ help: consider prefixing with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `try_read_compose_file`
[INFO] [stderr]  --> src/dockerfile.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn try_read_compose_file(path: &Path) -> Result<DComposeFile, Option<Output>> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/dockerfile.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn new(path: &'a Path, services: Vec<DCService<'a>>) -> DComposeFile<'a> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/dockerfile.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn new(name: &'a str, docker_file: Option<&'a Path>) -> DCService<'a> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `try_read_compose_file`
[INFO] [stderr]  --> src/dockerfile.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn try_read_compose_file(path: &Path) -> Result<DComposeFile, Option<Output>> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/dockerfile.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn new(path: &'a Path, services: Vec<DCService<'a>>) -> DComposeFile<'a> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/dockerfile.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn new(name: &'a str, docker_file: Option<&'a Path>) -> DCService<'a> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 07s
[INFO] running `"docker" "inspect" "fb58df866f46a48a0dba1880d0e6a5119cfb2a846fecd87ca2a99c49b573a5cf"`
[INFO] running `"docker" "rm" "-f" "fb58df866f46a48a0dba1880d0e6a5119cfb2a846fecd87ca2a99c49b573a5cf"`
[INFO] [stdout] fb58df866f46a48a0dba1880d0e6a5119cfb2a846fecd87ca2a99c49b573a5cf