Dec 04 23:56:51.376 INFO checking Tahler/assembler against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 23:56:51.376 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 04 23:56:51.899 INFO [stdout] 9d4a35a8c0dffdf5f291717f445af2a5199aed5c709f508dec2d8c2cb818a36c
Dec 04 23:56:51.907 INFO running `"docker" "start" "-a" "9d4a35a8c0dffdf5f291717f445af2a5199aed5c709f508dec2d8c2cb818a36c"`
Dec 04 23:56:52.531 INFO [stderr] usermod: no changes
Dec 04 23:56:52.559 INFO [stderr]     Checking assembler v0.1.0 (/source)
Dec 04 23:56:53.097 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 23:56:53.097 INFO [stderr]    --> src/main.rs:133:9
Dec 04 23:56:53.097 INFO [stderr]     |
Dec 04 23:56:53.097 INFO [stderr] 133 |         fs::remove_file(out_path);
Dec 04 23:56:53.097 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 23:56:53.097 INFO [stderr]     |
Dec 04 23:56:53.097 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 04 23:56:53.097 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 23:56:53.097 INFO [stderr] 
Dec 04 23:56:53.097 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 23:56:53.097 INFO [stderr]    --> src/main.rs:143:21
Dec 04 23:56:53.097 INFO [stderr]     |
Dec 04 23:56:53.097 INFO [stderr] 143 |                     out_file.write_all(&instruction_bytes);
Dec 04 23:56:53.097 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 23:56:53.097 INFO [stderr]     |
Dec 04 23:56:53.097 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 23:56:53.097 INFO [stderr] 
Dec 04 23:56:53.101 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 23:56:53.101 INFO [stderr]    --> src/main.rs:133:9
Dec 04 23:56:53.101 INFO [stderr]     |
Dec 04 23:56:53.101 INFO [stderr] 133 |         fs::remove_file(out_path);
Dec 04 23:56:53.101 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 23:56:53.101 INFO [stderr]     |
Dec 04 23:56:53.101 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 04 23:56:53.101 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 23:56:53.101 INFO [stderr] 
Dec 04 23:56:53.101 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 23:56:53.102 INFO [stderr]    --> src/main.rs:143:21
Dec 04 23:56:53.102 INFO [stderr]     |
Dec 04 23:56:53.102 INFO [stderr] 143 |                     out_file.write_all(&instruction_bytes);
Dec 04 23:56:53.102 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 23:56:53.102 INFO [stderr]     |
Dec 04 23:56:53.102 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 23:56:53.102 INFO [stderr] 
Dec 04 23:56:53.124 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
Dec 04 23:56:53.127 INFO [stderr] su: No module specific data is present
Dec 04 23:56:53.603 INFO running `"docker" "inspect" "9d4a35a8c0dffdf5f291717f445af2a5199aed5c709f508dec2d8c2cb818a36c"`
Dec 04 23:56:53.676 INFO running `"docker" "rm" "-f" "9d4a35a8c0dffdf5f291717f445af2a5199aed5c709f508dec2d8c2cb818a36c"`
Dec 04 23:56:53.761 INFO [stdout] 9d4a35a8c0dffdf5f291717f445af2a5199aed5c709f508dec2d8c2cb818a36c