Dec 17 12:42:41.385 INFO checking vaithak/scp-rust against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 12:42:41.385 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/vaithak/scp-rust:/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 12:42:41.964 INFO [stdout] 9742e0e9fbcc41951b963999a0cf77bfa4302895594f5b02d645dc3f70134c4e
Dec 17 12:42:41.970 INFO running `"docker" "start" "-a" "9742e0e9fbcc41951b963999a0cf77bfa4302895594f5b02d645dc3f70134c4e"`
Dec 17 12:42:44.408 INFO [stderr]     Checking scp v0.1.0 (/opt/crater/workdir)
Dec 17 12:42:44.709 INFO [stderr] warning: unused variable: `dest_path`
Dec 17 12:42:44.709 INFO [stderr]  --> src/main.rs:9:40
Dec 17 12:42:44.709 INFO [stderr]   |
Dec 17 12:42:44.709 INFO [stderr] 9 | fn recursive_copy(source_path: String, dest_path: String) {
Dec 17 12:42:44.709 INFO [stderr]   |                                        ^^^^^^^^^ help: consider using `_dest_path` instead
Dec 17 12:42:44.709 INFO [stderr]   |
Dec 17 12:42:44.709 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 17 12:42:44.709 INFO [stderr] 
Dec 17 12:42:44.720 INFO [stderr] warning: unused variable: `dest_path`
Dec 17 12:42:44.720 INFO [stderr]  --> src/main.rs:9:40
Dec 17 12:42:44.720 INFO [stderr]   |
Dec 17 12:42:44.720 INFO [stderr] 9 | fn recursive_copy(source_path: String, dest_path: String) {
Dec 17 12:42:44.720 INFO [stderr]   |                                        ^^^^^^^^^ help: consider using `_dest_path` instead
Dec 17 12:42:44.720 INFO [stderr]   |
Dec 17 12:42:44.720 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 17 12:42:44.720 INFO [stderr] 
Dec 17 12:42:44.748 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 12:42:44.748 INFO [stderr]   --> src/main.rs:18:5
Dec 17 12:42:44.748 INFO [stderr]    |
Dec 17 12:42:44.748 INFO [stderr] 18 |     fs::copy(source_path, dest_path);  // Copy foo.txt to bar.txt
Dec 17 12:42:44.748 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:42:44.748 INFO [stderr]    |
Dec 17 12:42:44.748 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 12:42:44.748 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 12:42:44.748 INFO [stderr] 
Dec 17 12:42:44.748 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 12:42:44.748 INFO [stderr]   --> src/main.rs:18:5
Dec 17 12:42:44.748 INFO [stderr]    |
Dec 17 12:42:44.748 INFO [stderr] 18 |     fs::copy(source_path, dest_path);  // Copy foo.txt to bar.txt
Dec 17 12:42:44.748 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 12:42:44.748 INFO [stderr]    |
Dec 17 12:42:44.748 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 12:42:44.748 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 12:42:44.748 INFO [stderr] 
Dec 17 12:42:44.797 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
Dec 17 12:42:45.484 INFO running `"docker" "inspect" "9742e0e9fbcc41951b963999a0cf77bfa4302895594f5b02d645dc3f70134c4e"`
Dec 17 12:42:45.768 INFO running `"docker" "rm" "-f" "9742e0e9fbcc41951b963999a0cf77bfa4302895594f5b02d645dc3f70134c4e"`
Dec 17 12:42:46.064 INFO [stdout] 9742e0e9fbcc41951b963999a0cf77bfa4302895594f5b02d645dc3f70134c4e