Dec 12 12:28:53.302 INFO checking junitxml2subunit-1.0.0 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 12:28:53.302 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 12 12:28:53.529 INFO [stdout] 67e41839ed4db3415936cda5fdbcf39dbe047aa3f20baca7879f91d071e2404e
Dec 12 12:28:53.531 INFO running `"docker" "start" "-a" "67e41839ed4db3415936cda5fdbcf39dbe047aa3f20baca7879f91d071e2404e"`
Dec 12 12:28:54.659 INFO [stderr] usermod: no changes
Dec 12 12:28:54.801 INFO [stderr]     Checking subunit-rust v0.1.2
Dec 12 12:28:55.968 INFO [stderr]     Checking junitxml2subunit v1.0.0 (/source)
Dec 12 12:28:59.015 INFO [stderr] warning: unused variable: `test_id`
Dec 12 12:28:59.015 INFO [stderr]    --> src/main.rs:261:25
Dec 12 12:28:59.015 INFO [stderr]     |
Dec 12 12:28:59.015 INFO [stderr] 261 |                 let mut test_id = "".to_string();
Dec 12 12:28:59.015 INFO [stderr]     |                         ^^^^^^^ help: consider using `_test_id` instead
Dec 12 12:28:59.028 INFO [stderr]     |
Dec 12 12:28:59.028 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 12 12:28:59.028 INFO [stderr] 
Dec 12 12:28:59.069 INFO [stderr] warning: unused comparison that must be used
Dec 12 12:28:59.069 INFO [stderr]    --> src/main.rs:230:21
Dec 12 12:28:59.069 INFO [stderr]     |
Dec 12 12:28:59.069 INFO [stderr] 230 |                     test_id == "".to_string();
Dec 12 12:28:59.069 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 12:28:59.084 INFO [stderr]     |
Dec 12 12:28:59.084 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 12:28:59.084 INFO [stderr] 
Dec 12 12:28:59.167 INFO [stderr] warning: unused variable: `test_id`
Dec 12 12:28:59.167 INFO [stderr]    --> src/main.rs:261:25
Dec 12 12:28:59.168 INFO [stderr]     |
Dec 12 12:28:59.168 INFO [stderr] 261 |                 let mut test_id = "".to_string();
Dec 12 12:28:59.168 INFO [stderr]     |                         ^^^^^^^ help: consider using `_test_id` instead
Dec 12 12:28:59.168 INFO [stderr]     |
Dec 12 12:28:59.168 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 12 12:28:59.168 INFO [stderr] 
Dec 12 12:28:59.193 INFO [stderr] warning: unused comparison that must be used
Dec 12 12:28:59.193 INFO [stderr]    --> src/main.rs:230:21
Dec 12 12:28:59.193 INFO [stderr]     |
Dec 12 12:28:59.193 INFO [stderr] 230 |                     test_id == "".to_string();
Dec 12 12:28:59.193 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 12:28:59.193 INFO [stderr]     |
Dec 12 12:28:59.193 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 12:28:59.193 INFO [stderr] 
Dec 12 12:28:59.232 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.54s
Dec 12 12:28:59.245 INFO [stderr] su: No module specific data is present
Dec 12 12:29:00.136 INFO running `"docker" "inspect" "67e41839ed4db3415936cda5fdbcf39dbe047aa3f20baca7879f91d071e2404e"`
Dec 12 12:29:00.542 INFO running `"docker" "rm" "-f" "67e41839ed4db3415936cda5fdbcf39dbe047aa3f20baca7879f91d071e2404e"`
Dec 12 12:29:00.849 INFO [stdout] 67e41839ed4db3415936cda5fdbcf39dbe047aa3f20baca7879f91d071e2404e