Dec 19 08:54:40.308 INFO checking shmishtopher/GPIO against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 08:54:40.308 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/shmishtopher/GPIO:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 08:54:40.906 INFO [stdout] ce7c237f211a8be207f90ee8c66e614c06d90a5f9030649ae7f03d20347cb1a9
Dec 19 08:54:40.908 INFO running `"docker" "start" "-a" "ce7c237f211a8be207f90ee8c66e614c06d90a5f9030649ae7f03d20347cb1a9"`
Dec 19 08:54:43.160 INFO [stderr] warning: unused manifest key: target.arm-unknown-linux-gnueabihf.linker
Dec 19 08:54:43.188 INFO [stderr]     Checking nix v0.11.0
Dec 19 08:54:48.708 INFO [stderr]     Checking AR_GPIO v0.1.0 (/opt/crater/workdir)
Dec 19 08:54:49.199 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 08:54:49.199 INFO [stderr]   --> src/ar_gpio.rs:58:5
Dec 19 08:54:49.199 INFO [stderr]    |
Dec 19 08:54:49.199 INFO [stderr] 58 |     get_chip_info(fd, &mut info);
Dec 19 08:54:49.199 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:54:49.199 INFO [stderr]    |
Dec 19 08:54:49.199 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 08:54:49.199 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 08:54:49.199 INFO [stderr] 
Dec 19 08:54:49.200 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 08:54:49.200 INFO [stderr]    --> src/ar_gpio.rs:103:5
Dec 19 08:54:49.200 INFO [stderr]     |
Dec 19 08:54:49.200 INFO [stderr] 103 |     get_line_info(fd, &mut info);
Dec 19 08:54:49.200 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:54:49.200 INFO [stderr]     |
Dec 19 08:54:49.200 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 08:54:49.200 INFO [stderr] 
Dec 19 08:54:49.200 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 08:54:49.200 INFO [stderr]    --> src/ar_gpio.rs:159:12
Dec 19 08:54:49.200 INFO [stderr]     |
Dec 19 08:54:49.200 INFO [stderr] 159 |   unsafe { get_line_handle(fd, &mut request); }
Dec 19 08:54:49.200 INFO [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:54:49.200 INFO [stderr]     |
Dec 19 08:54:49.200 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 08:54:49.200 INFO [stderr] 
Dec 19 08:54:49.200 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 08:54:49.200 INFO [stderr]    --> src/ar_gpio.rs:167:12
Dec 19 08:54:49.200 INFO [stderr]     |
Dec 19 08:54:49.200 INFO [stderr] 167 |   unsafe { set_line_values(fd, &mut data); }
Dec 19 08:54:49.200 INFO [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:54:49.200 INFO [stderr]     |
Dec 19 08:54:49.200 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 08:54:49.200 INFO [stderr] 
Dec 19 08:54:49.200 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 08:54:49.200 INFO [stderr]    --> src/ar_gpio.rs:173:12
Dec 19 08:54:49.200 INFO [stderr]     |
Dec 19 08:54:49.200 INFO [stderr] 173 |   unsafe { get_line_values(fd, &mut data); }
Dec 19 08:54:49.200 INFO [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:54:49.200 INFO [stderr]     |
Dec 19 08:54:49.200 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 08:54:49.200 INFO [stderr] 
Dec 19 08:54:49.240 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 08:54:49.247 INFO [stderr]   --> src/ar_gpio.rs:58:5
Dec 19 08:54:49.247 INFO [stderr]    |
Dec 19 08:54:49.247 INFO [stderr] 58 |     get_chip_info(fd, &mut info);
Dec 19 08:54:49.247 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:54:49.247 INFO [stderr]    |
Dec 19 08:54:49.248 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 08:54:49.248 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 08:54:49.248 INFO [stderr] 
Dec 19 08:54:49.248 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 08:54:49.248 INFO [stderr]    --> src/ar_gpio.rs:103:5
Dec 19 08:54:49.248 INFO [stderr]     |
Dec 19 08:54:49.248 INFO [stderr] 103 |     get_line_info(fd, &mut info);
Dec 19 08:54:49.248 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:54:49.248 INFO [stderr]     |
Dec 19 08:54:49.248 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 08:54:49.248 INFO [stderr] 
Dec 19 08:54:49.249 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 08:54:49.249 INFO [stderr]    --> src/ar_gpio.rs:159:12
Dec 19 08:54:49.249 INFO [stderr]     |
Dec 19 08:54:49.249 INFO [stderr] 159 |   unsafe { get_line_handle(fd, &mut request); }
Dec 19 08:54:49.249 INFO [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:54:49.249 INFO [stderr]     |
Dec 19 08:54:49.249 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 08:54:49.249 INFO [stderr] 
Dec 19 08:54:49.249 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 08:54:49.249 INFO [stderr]    --> src/ar_gpio.rs:167:12
Dec 19 08:54:49.249 INFO [stderr]     |
Dec 19 08:54:49.249 INFO [stderr] 167 |   unsafe { set_line_values(fd, &mut data); }
Dec 19 08:54:49.249 INFO [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:54:49.249 INFO [stderr]     |
Dec 19 08:54:49.249 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 08:54:49.249 INFO [stderr] 
Dec 19 08:54:49.249 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 08:54:49.249 INFO [stderr]    --> src/ar_gpio.rs:173:12
Dec 19 08:54:49.249 INFO [stderr]     |
Dec 19 08:54:49.249 INFO [stderr] 173 |   unsafe { get_line_values(fd, &mut data); }
Dec 19 08:54:49.250 INFO [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 08:54:49.250 INFO [stderr]     |
Dec 19 08:54:49.250 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 08:54:49.250 INFO [stderr] 
Dec 19 08:54:49.333 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.20s
Dec 19 08:54:50.815 INFO running `"docker" "inspect" "ce7c237f211a8be207f90ee8c66e614c06d90a5f9030649ae7f03d20347cb1a9"`
Dec 19 08:54:51.158 INFO running `"docker" "rm" "-f" "ce7c237f211a8be207f90ee8c66e614c06d90a5f9030649ae7f03d20347cb1a9"`
Dec 19 08:54:51.484 INFO [stdout] ce7c237f211a8be207f90ee8c66e614c06d90a5f9030649ae7f03d20347cb1a9