Dec 12 00:06:39.929 INFO checking Tahler/assembler against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 00:06:39.929 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 00:06:40.583 INFO [stdout] a26e99064ce3908a0fce84eefddff74220f2666733d1d83a948332614ddc0c14
Dec 12 00:06:40.586 INFO running `"docker" "start" "-a" "a26e99064ce3908a0fce84eefddff74220f2666733d1d83a948332614ddc0c14"`
Dec 12 00:06:41.968 INFO [stderr] usermod: no changes
Dec 12 00:06:42.000 INFO [stderr]     Checking assembler v0.1.0 (/source)
Dec 12 00:06:42.663 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 00:06:42.663 INFO [stderr]    --> src/main.rs:133:9
Dec 12 00:06:42.663 INFO [stderr]     |
Dec 12 00:06:42.663 INFO [stderr] 133 |         fs::remove_file(out_path);
Dec 12 00:06:42.663 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:06:42.663 INFO [stderr]     |
Dec 12 00:06:42.663 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 00:06:42.663 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 00:06:42.663 INFO [stderr] 
Dec 12 00:06:42.663 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 00:06:42.663 INFO [stderr]    --> src/main.rs:143:21
Dec 12 00:06:42.663 INFO [stderr]     |
Dec 12 00:06:42.663 INFO [stderr] 143 |                     out_file.write_all(&instruction_bytes);
Dec 12 00:06:42.663 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:06:42.663 INFO [stderr]     |
Dec 12 00:06:42.663 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 00:06:42.663 INFO [stderr] 
Dec 12 00:06:42.901 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 00:06:42.901 INFO [stderr]    --> src/main.rs:133:9
Dec 12 00:06:42.901 INFO [stderr]     |
Dec 12 00:06:42.901 INFO [stderr] 133 |         fs::remove_file(out_path);
Dec 12 00:06:42.901 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:06:42.901 INFO [stderr]     |
Dec 12 00:06:42.901 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 00:06:42.901 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 00:06:42.901 INFO [stderr] 
Dec 12 00:06:42.901 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 00:06:42.902 INFO [stderr]    --> src/main.rs:143:21
Dec 12 00:06:42.902 INFO [stderr]     |
Dec 12 00:06:42.902 INFO [stderr] 143 |                     out_file.write_all(&instruction_bytes);
Dec 12 00:06:42.902 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 00:06:42.902 INFO [stderr]     |
Dec 12 00:06:42.902 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 00:06:42.903 INFO [stderr] 
Dec 12 00:06:42.928 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
Dec 12 00:06:42.940 INFO [stderr] su: No module specific data is present
Dec 12 00:06:43.412 INFO running `"docker" "inspect" "a26e99064ce3908a0fce84eefddff74220f2666733d1d83a948332614ddc0c14"`
Dec 12 00:06:43.570 INFO running `"docker" "rm" "-f" "a26e99064ce3908a0fce84eefddff74220f2666733d1d83a948332614ddc0c14"`
Dec 12 00:06:43.783 INFO [stdout] a26e99064ce3908a0fce84eefddff74220f2666733d1d83a948332614ddc0c14