Oct 12 13:15:53.944 INFO checking spebern/poc1to2 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 13:15:53.946 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-2/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-2/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 12 13:15:54.472 INFO blam! 051c1de667d9174641251465df7533f5b057a099ba5eb9b72cd6664b11a006be
Oct 12 13:15:54.474 INFO running `"docker" "start" "-a" "051c1de667d9174641251465df7533f5b057a099ba5eb9b72cd6664b11a006be"`
Oct 12 13:15:56.435 INFO kablam! usermod: no changes
Oct 12 13:15:56.568 INFO kablam!     Checking clap v2.30.0
Oct 12 13:16:01.444 INFO kablam!     Checking poc1to2 v0.1.0 (/source)
Oct 12 13:16:02.049 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 13:16:02.049 INFO kablam!    --> src/main.rs:175:9
Oct 12 13:16:02.049 INFO kablam!     |
Oct 12 13:16:02.049 INFO kablam! 175 |         fs::copy(plot_file.to_owned() + ".orig", plot_file);
Oct 12 13:16:02.049 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 13:16:02.049 INFO kablam!     |
Oct 12 13:16:02.049 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 12 13:16:02.049 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 13:16:02.049 INFO kablam! 
Oct 12 13:16:02.049 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 13:16:02.049 INFO kablam!    --> src/main.rs:189:9
Oct 12 13:16:02.049 INFO kablam!     |
Oct 12 13:16:02.049 INFO kablam! 189 |         File::open(&poc2_plot_file).unwrap().read_to_end(&mut buffer);
Oct 12 13:16:02.049 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 13:16:02.049 INFO kablam!     |
Oct 12 13:16:02.049 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 13:16:02.050 INFO kablam! 
Oct 12 13:16:02.050 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 13:16:02.050 INFO kablam!    --> src/main.rs:194:9
Oct 12 13:16:02.050 INFO kablam!     |
Oct 12 13:16:02.050 INFO kablam! 194 |         fs::remove_file(&poc2_plot_file);
Oct 12 13:16:02.050 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 13:16:02.050 INFO kablam!     |
Oct 12 13:16:02.050 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 13:16:02.050 INFO kablam! 
Oct 12 13:16:02.097 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.64s
Oct 12 13:16:02.104 INFO kablam! su: No module specific data is present
Oct 12 13:16:02.810 INFO running `"docker" "rm" "-f" "051c1de667d9174641251465df7533f5b057a099ba5eb9b72cd6664b11a006be"`
Oct 12 13:16:03.104 INFO blam! 051c1de667d9174641251465df7533f5b057a099ba5eb9b72cd6664b11a006be