Dec 04 09:44:15.075 INFO checking spebern/poc1to2 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 09:44:15.076 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 09:44:15.491 INFO [stdout] 4064bbd31e7705385bb1922e4fba5a87c79fc686c9c802360eee74d8075472bd
Dec 04 09:44:15.514 INFO running `"docker" "start" "-a" "4064bbd31e7705385bb1922e4fba5a87c79fc686c9c802360eee74d8075472bd"`
Dec 04 09:44:17.127 INFO [stderr] usermod: no changes
Dec 04 09:44:17.227 INFO [stderr]     Checking clap v2.30.0
Dec 04 09:44:22.639 INFO [stderr]     Checking poc1to2 v0.1.0 (/source)
Dec 04 09:44:23.495 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 09:44:23.495 INFO [stderr]    --> src/main.rs:175:9
Dec 04 09:44:23.495 INFO [stderr]     |
Dec 04 09:44:23.495 INFO [stderr] 175 |         fs::copy(plot_file.to_owned() + ".orig", plot_file);
Dec 04 09:44:23.495 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:44:23.495 INFO [stderr]     |
Dec 04 09:44:23.495 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 04 09:44:23.495 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 09:44:23.495 INFO [stderr] 
Dec 04 09:44:23.495 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 09:44:23.495 INFO [stderr]    --> src/main.rs:189:9
Dec 04 09:44:23.495 INFO [stderr]     |
Dec 04 09:44:23.495 INFO [stderr] 189 |         File::open(&poc2_plot_file).unwrap().read_to_end(&mut buffer);
Dec 04 09:44:23.495 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:44:23.495 INFO [stderr]     |
Dec 04 09:44:23.495 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 09:44:23.495 INFO [stderr] 
Dec 04 09:44:23.495 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 09:44:23.495 INFO [stderr]    --> src/main.rs:194:9
Dec 04 09:44:23.495 INFO [stderr]     |
Dec 04 09:44:23.495 INFO [stderr] 194 |         fs::remove_file(&poc2_plot_file);
Dec 04 09:44:23.495 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 09:44:23.495 INFO [stderr]     |
Dec 04 09:44:23.495 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 09:44:23.495 INFO [stderr] 
Dec 04 09:44:23.543 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.38s
Dec 04 09:44:23.559 INFO [stderr] su: No module specific data is present
Dec 04 09:44:24.818 INFO running `"docker" "inspect" "4064bbd31e7705385bb1922e4fba5a87c79fc686c9c802360eee74d8075472bd"`
Dec 04 09:44:25.201 INFO running `"docker" "rm" "-f" "4064bbd31e7705385bb1922e4fba5a87c79fc686c9c802360eee74d8075472bd"`
Dec 04 09:44:25.535 INFO [stdout] 4064bbd31e7705385bb1922e4fba5a87c79fc686c9c802360eee74d8075472bd