[INFO] updating cached repository https://github.com/Dhole/rust-tor-controller
[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] 9acd9c314ad4214877112b3e53dafcc6e2df687e
[INFO] checking Dhole/rust-tor-controller against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDhole%2Frust-tor-controller" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Dhole/rust-tor-controller on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Dhole/rust-tor-controller
[INFO] finished tweaking git repo https://github.com/Dhole/rust-tor-controller
[INFO] tweaked toml for git repo https://github.com/Dhole/rust-tor-controller written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Dhole/rust-tor-controller already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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] f8f02d95a9ab55b3ff32a390b38bb3bc0ae809c749df03cacf12c7c6623bab2e
[INFO] running `"docker" "start" "-a" "f8f02d95a9ab55b3ff32a390b38bb3bc0ae809c749df03cacf12c7c6623bab2e"`
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking chrono v0.4.2
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking timer v0.2.0
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking env_logger v0.5.9
[INFO] [stderr]     Checking tor_controller v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `wrap`
[INFO] [stderr]    --> src/control.rs:214:5
[INFO] [stderr]     |
[INFO] [stderr] 214 |     unsafe fn wrap(s: String) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `wrap`
[INFO] [stderr]    --> src/control.rs:214:5
[INFO] [stderr]     |
[INFO] [stderr] 214 |     unsafe fn wrap(s: String) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.95s
[INFO] running `"docker" "inspect" "f8f02d95a9ab55b3ff32a390b38bb3bc0ae809c749df03cacf12c7c6623bab2e"`
[INFO] running `"docker" "rm" "-f" "f8f02d95a9ab55b3ff32a390b38bb3bc0ae809c749df03cacf12c7c6623bab2e"`
[INFO] [stdout] f8f02d95a9ab55b3ff32a390b38bb3bc0ae809c749df03cacf12c7c6623bab2e