Dec 19 06:16:52.242 INFO checking vaithak/scp-rust against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 06:16:52.242 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 06:16:52.724 INFO [stdout] 654d53f04842f2216ef510d852321b4e0cb2c583bc8a1169c9554c42763bcd6f
Dec 19 06:16:52.732 INFO running `"docker" "start" "-a" "654d53f04842f2216ef510d852321b4e0cb2c583bc8a1169c9554c42763bcd6f"`
Dec 19 06:16:54.288 INFO [stderr]     Checking same-file v1.0.4
Dec 19 06:16:54.594 INFO [stderr]     Checking walkdir v2.2.6
Dec 19 06:16:55.116 INFO [stderr]     Checking scp v0.1.0 (/opt/crater/workdir)
Dec 19 06:16:55.292 INFO [stderr] warning: unused variable: `dest_path`
Dec 19 06:16:55.292 INFO [stderr]  --> src/main.rs:9:40
Dec 19 06:16:55.292 INFO [stderr]   |
Dec 19 06:16:55.292 INFO [stderr] 9 | fn recursive_copy(source_path: String, dest_path: String) {
Dec 19 06:16:55.292 INFO [stderr]   |                                        ^^^^^^^^^ help: consider using `_dest_path` instead
Dec 19 06:16:55.292 INFO [stderr]   |
Dec 19 06:16:55.292 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 19 06:16:55.292 INFO [stderr] 
Dec 19 06:16:55.306 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 06:16:55.306 INFO [stderr]   --> src/main.rs:18:5
Dec 19 06:16:55.306 INFO [stderr]    |
Dec 19 06:16:55.306 INFO [stderr] 18 |     fs::copy(source_path, dest_path);  // Copy foo.txt to bar.txt
Dec 19 06:16:55.307 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 06:16:55.307 INFO [stderr]    |
Dec 19 06:16:55.307 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 06:16:55.307 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 06:16:55.307 INFO [stderr] 
Dec 19 06:16:55.328 INFO [stderr] warning: unused variable: `dest_path`
Dec 19 06:16:55.328 INFO [stderr]  --> src/main.rs:9:40
Dec 19 06:16:55.328 INFO [stderr]   |
Dec 19 06:16:55.328 INFO [stderr] 9 | fn recursive_copy(source_path: String, dest_path: String) {
Dec 19 06:16:55.328 INFO [stderr]   |                                        ^^^^^^^^^ help: consider using `_dest_path` instead
Dec 19 06:16:55.328 INFO [stderr]   |
Dec 19 06:16:55.328 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 19 06:16:55.328 INFO [stderr] 
Dec 19 06:16:55.342 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 06:16:55.342 INFO [stderr]   --> src/main.rs:18:5
Dec 19 06:16:55.342 INFO [stderr]    |
Dec 19 06:16:55.342 INFO [stderr] 18 |     fs::copy(source_path, dest_path);  // Copy foo.txt to bar.txt
Dec 19 06:16:55.342 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 06:16:55.342 INFO [stderr]    |
Dec 19 06:16:55.342 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 06:16:55.342 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 06:16:55.342 INFO [stderr] 
Dec 19 06:16:55.364 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
Dec 19 06:16:56.232 INFO running `"docker" "inspect" "654d53f04842f2216ef510d852321b4e0cb2c583bc8a1169c9554c42763bcd6f"`
Dec 19 06:16:56.466 INFO running `"docker" "rm" "-f" "654d53f04842f2216ef510d852321b4e0cb2c583bc8a1169c9554c42763bcd6f"`
Dec 19 06:16:56.784 INFO [stdout] 654d53f04842f2216ef510d852321b4e0cb2c583bc8a1169c9554c42763bcd6f