[INFO] cloning repository https://github.com/sgbasaraner/mgit
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sgbasaraner/mgit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsgbasaraner%2Fmgit"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsgbasaraner%2Fmgit'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f47afb88c97228e2b7def36c1e650d8571f87ac3
[INFO] checking sgbasaraner/mgit against master#e2223c94bf433fc38234d1303e88cbaf14755863 for pr-69548
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsgbasaraner%2Fmgit" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sgbasaraner/mgit on toolchain e2223c94bf433fc38234d1303e88cbaf14755863
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e2223c94bf433fc38234d1303e88cbaf14755863" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/sgbasaraner/mgit
[INFO] finished tweaking git repo https://github.com/sgbasaraner/mgit
[INFO] tweaked toml for git repo https://github.com/sgbasaraner/mgit written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/sgbasaraner/mgit already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e2223c94bf433fc38234d1303e88cbaf14755863" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+e2223c94bf433fc38234d1303e88cbaf14755863" "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] 37088d05499b8938bd88416f5f5e8b38373460603bc59091e16325301cef055e
[INFO] running `"docker" "start" "-a" "37088d05499b8938bd88416f5f5e8b38373460603bc59091e16325301cef055e"`
[INFO] [stderr]    Compiling hashbrown v0.7.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]     Checking dlv-list v0.2.2
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking ahash v0.3.2
[INFO] [stderr]    Compiling proc-macro-error v0.4.9
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.9
[INFO] [stderr]     Checking ordered-multimap v0.2.4
[INFO] [stderr]     Checking rust-ini v0.15.2
[INFO] [stderr]    Compiling structopt-derive v0.4.2
[INFO] [stderr]     Checking structopt v0.3.9
[INFO] [stderr]     Checking mgit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/repository.rs:25:28
[INFO] [stderr]    |
[INFO] [stderr] 25 |         write!(f,"{}",self.description())
[INFO] [stderr]    |                            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/repository.rs:25:28
[INFO] [stderr]    |
[INFO] [stderr] 25 |         write!(f,"{}",self.description())
[INFO] [stderr]    |                            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `worktree`
[INFO] [stderr]   --> src/repository.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     worktree: PathBuf,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NotAGitRepository`
[INFO] [stderr]   --> src/repository.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     NotAGitRepository,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ConfigFileMissing`
[INFO] [stderr]   --> src/repository.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     ConfigFileMissing,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UnsupportedVersion`
[INFO] [stderr]   --> src/repository.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     UnsupportedVersion
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_path`
[INFO] [stderr]   --> src/repository.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 |     fn from_path(path: PathBuf) -> Result<Repository, RepoInitError> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `repo_find`
[INFO] [stderr]    --> src/repository.rs:162:8
[INFO] [stderr]     |
[INFO] [stderr] 162 | pub fn repo_find(path: PathBuf) -> Option<Repository> {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `repo_find_or_panic`
[INFO] [stderr]    --> src/repository.rs:180:8
[INFO] [stderr]     |
[INFO] [stderr] 180 | pub fn repo_find_or_panic(path: PathBuf) -> Repository {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `worktree`
[INFO] [stderr]   --> src/repository.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     worktree: PathBuf,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NotAGitRepository`
[INFO] [stderr]   --> src/repository.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     NotAGitRepository,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ConfigFileMissing`
[INFO] [stderr]   --> src/repository.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     ConfigFileMissing,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UnsupportedVersion`
[INFO] [stderr]   --> src/repository.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     UnsupportedVersion
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_path`
[INFO] [stderr]   --> src/repository.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 |     fn from_path(path: PathBuf) -> Result<Repository, RepoInitError> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `repo_find`
[INFO] [stderr]    --> src/repository.rs:162:8
[INFO] [stderr]     |
[INFO] [stderr] 162 | pub fn repo_find(path: PathBuf) -> Option<Repository> {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `repo_find_or_panic`
[INFO] [stderr]    --> src/repository.rs:180:8
[INFO] [stderr]     |
[INFO] [stderr] 180 | pub fn repo_find_or_panic(path: PathBuf) -> Repository {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.58s
[INFO] running `"docker" "inspect" "37088d05499b8938bd88416f5f5e8b38373460603bc59091e16325301cef055e"`
[INFO] running `"docker" "rm" "-f" "37088d05499b8938bd88416f5f5e8b38373460603bc59091e16325301cef055e"`
[INFO] [stdout] 37088d05499b8938bd88416f5f5e8b38373460603bc59091e16325301cef055e