Dec 13 02:29:35.495 INFO testing spebern/poc1to2 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 13 02:29:35.495 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-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 13 02:29:35.966 INFO [stdout] ad584941827a3b84114c89480e457ade30450c19793f0273c85c878af2a54dc8
Dec 13 02:29:35.971 INFO running `"docker" "start" "-a" "ad584941827a3b84114c89480e457ade30450c19793f0273c85c878af2a54dc8"`
Dec 13 02:29:37.998 INFO [stderr] usermod: no changes
Dec 13 02:29:38.087 INFO [stderr]    Compiling clap v2.30.0
Dec 13 02:29:53.166 INFO [stderr]    Compiling poc1to2 v0.1.0 (/source)
Dec 13 02:29:54.828 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.80s
Dec 13 02:29:54.832 INFO [stderr] su: No module specific data is present
Dec 13 02:29:55.690 INFO running `"docker" "inspect" "ad584941827a3b84114c89480e457ade30450c19793f0273c85c878af2a54dc8"`
Dec 13 02:29:55.957 INFO running `"docker" "rm" "-f" "ad584941827a3b84114c89480e457ade30450c19793f0273c85c878af2a54dc8"`
Dec 13 02:29:56.307 INFO [stdout] ad584941827a3b84114c89480e457ade30450c19793f0273c85c878af2a54dc8
Dec 13 02:29:56.307 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-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 13 02:29:56.818 INFO [stdout] 50376695de9e3fa1b838db77dbd87739df3fb90640dadcce6e3bef6b309efae7
Dec 13 02:29:56.820 INFO running `"docker" "start" "-a" "50376695de9e3fa1b838db77dbd87739df3fb90640dadcce6e3bef6b309efae7"`
Dec 13 02:29:57.280 INFO [stderr] usermod: no changes
Dec 13 02:29:57.375 INFO [stderr]    Compiling poc1to2 v0.1.0 (/source)
Dec 13 02:29:57.757 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 02:29:57.757 INFO [stderr]    --> src/main.rs:175:9
Dec 13 02:29:57.757 INFO [stderr]     |
Dec 13 02:29:57.757 INFO [stderr] 175 |         fs::copy(plot_file.to_owned() + ".orig", plot_file);
Dec 13 02:29:57.757 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 02:29:57.757 INFO [stderr]     |
Dec 13 02:29:57.757 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 13 02:29:57.757 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 02:29:57.757 INFO [stderr] 
Dec 13 02:29:57.757 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 02:29:57.757 INFO [stderr]    --> src/main.rs:189:9
Dec 13 02:29:57.757 INFO [stderr]     |
Dec 13 02:29:57.757 INFO [stderr] 189 |         File::open(&poc2_plot_file).unwrap().read_to_end(&mut buffer);
Dec 13 02:29:57.757 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 02:29:57.757 INFO [stderr]     |
Dec 13 02:29:57.757 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 02:29:57.757 INFO [stderr] 
Dec 13 02:29:57.757 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 02:29:57.757 INFO [stderr]    --> src/main.rs:194:9
Dec 13 02:29:57.757 INFO [stderr]     |
Dec 13 02:29:57.757 INFO [stderr] 194 |         fs::remove_file(&poc2_plot_file);
Dec 13 02:29:57.757 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 02:29:57.757 INFO [stderr]     |
Dec 13 02:29:57.757 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 02:29:57.757 INFO [stderr] 
Dec 13 02:29:58.423 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
Dec 13 02:29:58.426 INFO [stderr] su: No module specific data is present
Dec 13 02:29:58.762 INFO running `"docker" "inspect" "50376695de9e3fa1b838db77dbd87739df3fb90640dadcce6e3bef6b309efae7"`
Dec 13 02:29:58.865 INFO running `"docker" "rm" "-f" "50376695de9e3fa1b838db77dbd87739df3fb90640dadcce6e3bef6b309efae7"`
Dec 13 02:29:58.980 INFO [stdout] 50376695de9e3fa1b838db77dbd87739df3fb90640dadcce6e3bef6b309efae7