[INFO] fetching crate rppal 0.15.0...
[INFO] checking rppal-0.15.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate rppal 0.15.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate rppal 0.15.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rppal 0.15.0
[INFO] finished tweaking crates.io crate rppal 0.15.0
[INFO] tweaked toml for crates.io crate rppal 0.15.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate rppal 0.15.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simple-signal v1.1.1
[INFO] [stderr]   Downloaded embedded-hal v1.0.0-alpha.9
[INFO] [stderr]   Downloaded embedded-hal-nb v1.0.0-alpha.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da740ff721d57bcaad77877233155f18c5052d40ef7ad67990bd333c22f080b5
[INFO] running `Command { std: "docker" "start" "-a" "da740ff721d57bcaad77877233155f18c5052d40ef7ad67990bd333c22f080b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da740ff721d57bcaad77877233155f18c5052d40ef7ad67990bd333c22f080b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da740ff721d57bcaad77877233155f18c5052d40ef7ad67990bd333c22f080b5", kill_on_drop: false }`
[INFO] [stdout] da740ff721d57bcaad77877233155f18c5052d40ef7ad67990bd333c22f080b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a266d26a3c51fd5bbbfa4fea456fb6189418743c454af68bff39e37532361e92
[INFO] running `Command { std: "docker" "start" "-a" "a266d26a3c51fd5bbbfa4fea456fb6189418743c454af68bff39e37532361e92", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]     Checking simple-signal v1.1.1
[INFO] [stderr]     Checking rppal v0.15.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/gpio/epoll.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     self, c_int, c_void, EFD_NONBLOCK, EFD_SEMAPHORE, EPOLL_CTL_ADD, EPOLL_CTL_DEL, EPOLL_CTL_MOD,
[INFO] [stdout]   |     ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EPOLLONESHOT`, `EPOLLOUT`
[INFO] [stdout]   --> src/gpio/epoll.rs:12:57
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use libc::{epoll_event, EPOLLERR, EPOLLET, EPOLLIN, EPOLLONESHOT, EPOLLOUT, EPOLLPRI};
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/gpio/gpiomem/bcm.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | use libc::{self, c_void, off_t, size_t, MAP_FAILED, MAP_SHARED, O_SYNC, PROT_READ, PROT_WRITE};
[INFO] [stdout]    |            ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/gpio/gpiomem/rp1.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | use libc::{self, c_void, size_t, MAP_FAILED, MAP_SHARED, O_SYNC, PROT_READ, PROT_WRITE};
[INFO] [stdout]    |            ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/gpio/ioctl/v1.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | use libc::{self, c_int, c_ulong, c_void, ENOENT};
[INFO] [stdout]   |            ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/gpio/ioctl/v2.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | use libc::{self, c_int, c_void, ENOENT};
[INFO] [stdout]   |            ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/gpio/soft_pwm.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | use libc::{self, sched_param, timespec, CLOCK_MONOTONIC, PR_SET_TIMERSLACK, SCHED_RR};
[INFO] [stdout]    |            ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/i2c/ioctl.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | use libc::{self, c_int, c_ulong, ioctl};
[INFO] [stdout]   |            ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/spi/ioctl.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | use libc::{self, c_int, ioctl};
[INFO] [stdout]   |            ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/gpio/epoll.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     self, c_int, c_void, EFD_NONBLOCK, EFD_SEMAPHORE, EPOLL_CTL_ADD, EPOLL_CTL_DEL, EPOLL_CTL_MOD,
[INFO] [stdout]   |     ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EPOLLONESHOT`, `EPOLLOUT`
[INFO] [stdout]   --> src/gpio/epoll.rs:12:57
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use libc::{epoll_event, EPOLLERR, EPOLLET, EPOLLIN, EPOLLONESHOT, EPOLLOUT, EPOLLPRI};
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/gpio/gpiomem/bcm.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | use libc::{self, c_void, off_t, size_t, MAP_FAILED, MAP_SHARED, O_SYNC, PROT_READ, PROT_WRITE};
[INFO] [stdout]    |            ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/gpio/gpiomem/rp1.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | use libc::{self, c_void, size_t, MAP_FAILED, MAP_SHARED, O_SYNC, PROT_READ, PROT_WRITE};
[INFO] [stdout]    |            ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/gpio/ioctl/v1.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | use libc::{self, c_int, c_ulong, c_void, ENOENT};
[INFO] [stdout]   |            ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/gpio/ioctl/v2.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | use libc::{self, c_int, c_void, ENOENT};
[INFO] [stdout]   |            ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/gpio/soft_pwm.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | use libc::{self, sched_param, timespec, CLOCK_MONOTONIC, PR_SET_TIMERSLACK, SCHED_RR};
[INFO] [stdout]    |            ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/i2c/ioctl.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | use libc::{self, c_int, c_ulong, ioctl};
[INFO] [stdout]   |            ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/spi/ioctl.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | use libc::{self, c_int, ioctl};
[INFO] [stdout]   |            ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `simple_signal` is imported redundantly
[INFO] [stdout]   --> examples/gpio_blinkled_signals.rs:15:21
[INFO] [stdout]    |
[INFO] [stdout] 15 | use simple_signal::{self, Signal};
[INFO] [stdout]    |                     ^^^^ the item `simple_signal` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "a266d26a3c51fd5bbbfa4fea456fb6189418743c454af68bff39e37532361e92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a266d26a3c51fd5bbbfa4fea456fb6189418743c454af68bff39e37532361e92", kill_on_drop: false }`
[INFO] [stdout] a266d26a3c51fd5bbbfa4fea456fb6189418743c454af68bff39e37532361e92
[INFO] checking rppal-0.15.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate rppal 0.15.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate rppal 0.15.0 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rppal 0.15.0
[INFO] finished tweaking crates.io crate rppal 0.15.0
[INFO] tweaked toml for crates.io crate rppal 0.15.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate rppal 0.15.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4e54da8644da5c054e9c2adf6ca8d5a633f569dbaff4f687682d1703cb62f48
[INFO] running `Command { std: "docker" "start" "-a" "c4e54da8644da5c054e9c2adf6ca8d5a633f569dbaff4f687682d1703cb62f48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4e54da8644da5c054e9c2adf6ca8d5a633f569dbaff4f687682d1703cb62f48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4e54da8644da5c054e9c2adf6ca8d5a633f569dbaff4f687682d1703cb62f48", kill_on_drop: false }`
[INFO] [stdout] c4e54da8644da5c054e9c2adf6ca8d5a633f569dbaff4f687682d1703cb62f48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e5aef16143d31b5f5d79aab35350d28a10a1cb22bb1c9758598bfdfc57397df
[INFO] running `Command { std: "docker" "start" "-a" "1e5aef16143d31b5f5d79aab35350d28a10a1cb22bb1c9758598bfdfc57397df", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]     Checking simple-signal v1.1.1
[INFO] [stderr]     Checking rppal v0.15.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/simple-signal-1.1.1/src/lib.rs:119:19
[INFO] [stdout]     |
[INFO] [stdout] 119 |     thread::spawn(move || {
[INFO] [stdout]     |                   ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: cannot satisfy `_: Send`
[INFO] [stdout] note: required by a bound in `spawn`
[INFO] [stdout]    --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/thread/mod.rs:672:1
[INFO] [stdout] help: try giving this closure an explicit return type
[INFO] [stdout]     |
[INFO] [stdout] 119 |     thread::spawn(move || -> /* Type */ {
[INFO] [stdout]     |                           +++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/gpio/epoll.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     self, c_int, c_void, EFD_NONBLOCK, EFD_SEMAPHORE, EPOLL_CTL_ADD, EPOLL_CTL_DEL, EPOLL_CTL_MOD,
[INFO] [stdout]   |     ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EPOLLONESHOT`, `EPOLLOUT`
[INFO] [stdout]   --> src/gpio/epoll.rs:12:57
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use libc::{epoll_event, EPOLLERR, EPOLLET, EPOLLIN, EPOLLONESHOT, EPOLLOUT, EPOLLPRI};
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/gpio/gpiomem/bcm.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | use libc::{self, c_void, off_t, size_t, MAP_FAILED, MAP_SHARED, O_SYNC, PROT_READ, PROT_WRITE};
[INFO] [stdout]    |            ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/gpio/gpiomem/rp1.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | use libc::{self, c_void, size_t, MAP_FAILED, MAP_SHARED, O_SYNC, PROT_READ, PROT_WRITE};
[INFO] [stdout]    |            ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/gpio/ioctl/v1.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | use libc::{self, c_int, c_ulong, c_void, ENOENT};
[INFO] [stdout]   |            ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/gpio/ioctl/v2.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | use libc::{self, c_int, c_void, ENOENT};
[INFO] [stdout]   |            ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/gpio/soft_pwm.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | use libc::{self, sched_param, timespec, CLOCK_MONOTONIC, PR_SET_TIMERSLACK, SCHED_RR};
[INFO] [stdout]    |            ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/i2c/ioctl.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | use libc::{self, c_int, c_ulong, ioctl};
[INFO] [stdout]   |            ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/spi/ioctl.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | use libc::{self, c_int, ioctl};
[INFO] [stdout]   |            ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `simple-signal` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1e5aef16143d31b5f5d79aab35350d28a10a1cb22bb1c9758598bfdfc57397df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e5aef16143d31b5f5d79aab35350d28a10a1cb22bb1c9758598bfdfc57397df", kill_on_drop: false }`
[INFO] [stdout] 1e5aef16143d31b5f5d79aab35350d28a10a1cb22bb1c9758598bfdfc57397df