[INFO] updating cached repository shmishtopher/GPIO
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/shmishtopher/GPIO
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/shmishtopher/GPIO" "work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/shmishtopher/GPIO"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/shmishtopher/GPIO'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/shmishtopher/GPIO" "work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/shmishtopher/GPIO"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/shmishtopher/GPIO'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 07c13d3fa419c7f8b7d9c613ed004bc3c16c6d05
[INFO] sha for GitHub repo shmishtopher/GPIO: 07c13d3fa419c7f8b7d9c613ed004bc3c16c6d05
[INFO] validating manifest of shmishtopher/GPIO on toolchain master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of shmishtopher/GPIO on toolchain try#bad365140e1e8233b42b21af70a407f14ce5fec5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing shmishtopher/GPIO
[INFO] finished frobbing shmishtopher/GPIO
[INFO] frobbed toml for shmishtopher/GPIO written to work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/shmishtopher/GPIO/Cargo.toml
[INFO] started frobbing shmishtopher/GPIO
[INFO] finished frobbing shmishtopher/GPIO
[INFO] frobbed toml for shmishtopher/GPIO written to work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/shmishtopher/GPIO/Cargo.toml
[INFO] crate shmishtopher/GPIO has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking shmishtopher/GPIO against try#bad365140e1e8233b42b21af70a407f14ce5fec5 for pr-56896
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56896/worker-7/try#bad365140e1e8233b42b21af70a407f14ce5fec5:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/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" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6951780ba3d1e88b67cfb7ef2d6e26a0f02aaa2e30f906d8241d4c6415ebc5c5
[INFO] running `"docker" "start" "-a" "6951780ba3d1e88b67cfb7ef2d6e26a0f02aaa2e30f906d8241d4c6415ebc5c5"`
[INFO] [stderr] warning: unused manifest key: target.arm-unknown-linux-gnueabihf.linker
[INFO] [stderr]     Checking nix v0.11.0
[INFO] [stderr]     Checking AR_GPIO v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/ar_gpio.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     get_chip_info(fd, &mut info);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/ar_gpio.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     get_chip_info(fd, &mut info);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ar_gpio.rs:103:5
[INFO] [stderr]     |
[INFO] [stderr] 103 |     get_line_info(fd, &mut info);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ar_gpio.rs:159:12
[INFO] [stderr]     |
[INFO] [stderr] 159 |   unsafe { get_line_handle(fd, &mut request); }
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ar_gpio.rs:167:12
[INFO] [stderr]     |
[INFO] [stderr] 167 |   unsafe { set_line_values(fd, &mut data); }
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ar_gpio.rs:103:5
[INFO] [stderr]     |
[INFO] [stderr] 103 |     get_line_info(fd, &mut info);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ar_gpio.rs:159:12
[INFO] [stderr]     |
[INFO] [stderr] 159 |   unsafe { get_line_handle(fd, &mut request); }
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ar_gpio.rs:167:12
[INFO] [stderr]     |
[INFO] [stderr] 167 |   unsafe { set_line_values(fd, &mut data); }
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ar_gpio.rs:173:12
[INFO] [stderr]     |
[INFO] [stderr] 173 |   unsafe { get_line_values(fd, &mut data); }
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/ar_gpio.rs:173:12
[INFO] [stderr]     |
[INFO] [stderr] 173 |   unsafe { get_line_values(fd, &mut data); }
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.20s
[INFO] running `"docker" "inspect" "6951780ba3d1e88b67cfb7ef2d6e26a0f02aaa2e30f906d8241d4c6415ebc5c5"`
[INFO] running `"docker" "rm" "-f" "6951780ba3d1e88b67cfb7ef2d6e26a0f02aaa2e30f906d8241d4c6415ebc5c5"`
[INFO] [stdout] 6951780ba3d1e88b67cfb7ef2d6e26a0f02aaa2e30f906d8241d4c6415ebc5c5