Dec 11 06:54:27.950 INFO checking vaithak/scp-rust against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 06:54:27.950 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 11 06:54:28.350 INFO [stdout] e857b37156187b44668c744880143c4a228c328e87016378430c1d5010e7b445
Dec 11 06:54:28.354 INFO running `"docker" "start" "-a" "e857b37156187b44668c744880143c4a228c328e87016378430c1d5010e7b445"`
Dec 11 06:54:29.651 INFO [stderr] usermod: no changes
Dec 11 06:54:29.708 INFO [stderr]     Checking same-file v1.0.4
Dec 11 06:54:30.016 INFO [stderr]     Checking walkdir v2.2.6
Dec 11 06:54:30.369 INFO [stderr]     Checking scp v0.1.0 (/source)
Dec 11 06:54:30.565 INFO [stderr] warning: unused variable: `dest_path`
Dec 11 06:54:30.565 INFO [stderr]  --> src/main.rs:9:40
Dec 11 06:54:30.565 INFO [stderr]   |
Dec 11 06:54:30.565 INFO [stderr] 9 | fn recursive_copy(source_path: String, dest_path: String) {
Dec 11 06:54:30.565 INFO [stderr]   |                                        ^^^^^^^^^ help: consider using `_dest_path` instead
Dec 11 06:54:30.565 INFO [stderr]   |
Dec 11 06:54:30.565 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 11 06:54:30.565 INFO [stderr] 
Dec 11 06:54:30.580 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 06:54:30.580 INFO [stderr]   --> src/main.rs:18:5
Dec 11 06:54:30.580 INFO [stderr]    |
Dec 11 06:54:30.580 INFO [stderr] 18 |     fs::copy(source_path, dest_path);  // Copy foo.txt to bar.txt
Dec 11 06:54:30.580 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 06:54:30.580 INFO [stderr]    |
Dec 11 06:54:30.580 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 06:54:30.580 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 06:54:30.580 INFO [stderr] 
Dec 11 06:54:30.702 INFO [stderr] warning: unused variable: `dest_path`
Dec 11 06:54:30.702 INFO [stderr]  --> src/main.rs:9:40
Dec 11 06:54:30.702 INFO [stderr]   |
Dec 11 06:54:30.702 INFO [stderr] 9 | fn recursive_copy(source_path: String, dest_path: String) {
Dec 11 06:54:30.702 INFO [stderr]   |                                        ^^^^^^^^^ help: consider using `_dest_path` instead
Dec 11 06:54:30.702 INFO [stderr]   |
Dec 11 06:54:30.702 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 11 06:54:30.702 INFO [stderr] 
Dec 11 06:54:30.702 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 06:54:30.702 INFO [stderr]   --> src/main.rs:18:5
Dec 11 06:54:30.702 INFO [stderr]    |
Dec 11 06:54:30.702 INFO [stderr] 18 |     fs::copy(source_path, dest_path);  // Copy foo.txt to bar.txt
Dec 11 06:54:30.702 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 06:54:30.702 INFO [stderr]    |
Dec 11 06:54:30.702 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 06:54:30.702 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 06:54:30.702 INFO [stderr] 
Dec 11 06:54:30.743 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
Dec 11 06:54:30.746 INFO [stderr] su: No module specific data is present
Dec 11 06:54:31.292 INFO running `"docker" "inspect" "e857b37156187b44668c744880143c4a228c328e87016378430c1d5010e7b445"`
Dec 11 06:54:31.562 INFO running `"docker" "rm" "-f" "e857b37156187b44668c744880143c4a228c328e87016378430c1d5010e7b445"`
Dec 11 06:54:31.996 INFO [stdout] e857b37156187b44668c744880143c4a228c328e87016378430c1d5010e7b445