[INFO] fetching crate rpi-gpio 0.1.1...
[INFO] checking rpi-gpio-0.1.1 against eca445e5ae4a6679cc27d3a09106ce245e13a5a6 for pr-162478
[INFO] extracting crate rpi-gpio 0.1.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate rpi-gpio 0.1.1
[INFO] finished tweaking crates.io crate rpi-gpio 0.1.1
[INFO] tweaked toml for crates.io crate rpi-gpio 0.1.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rpi-gpio 0.1.1 on toolchain eca445e5ae4a6679cc27d3a09106ce245e13a5a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 28 packages to highest compatible versions
[INFO] [stderr]       Adding nix v0.13.1 (available: v0.31.3)
[INFO] [stderr]       Adding structopt v0.2.18 (available: v0.3.26)
[INFO] [stderr]       Adding yansi v0.5.1 (available: v1.0.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `rpi-gpio` (manifest) generated 1 warning
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nix v0.13.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] ca51105f674fa26d7211599e817f3056cad95fccfdca5e9155b8d514d84fcb00
[INFO] running `Command { std: "docker" "start" "ca51105f674fa26d7211599e817f3056cad95fccfdca5e9155b8d514d84fcb00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca51105f674fa26d7211599e817f3056cad95fccfdca5e9155b8d514d84fcb00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ca51105f674fa26d7211599e817f3056cad95fccfdca5e9155b8d514d84fcb00" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca51105f674fa26d7211599e817f3056cad95fccfdca5e9155b8d514d84fcb00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "ca51105f674fa26d7211599e817f3056cad95fccfdca5e9155b8d514d84fcb00" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `rpi-gpio` (manifest) generated 1 warning
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling nix v0.13.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking rpi-gpio v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::u32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/lib.rs:180:27
[INFO] [stdout]     |
[INFO] [stdout] 180 |         let mask  = !(std::u32::MAX << bits_per_pin);
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/lib.rs:180:27
[INFO] [stdout]     |
[INFO] [stdout] 180 |         let mask  = !(std::u32::MAX << bits_per_pin);
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]   --> src/lib.rs:59:3
[INFO] [stdout]    |
[INFO] [stdout] 59 |         drop(nix::unistd::close(fd));
[INFO] [stdout]    |         ^^^^^----------------------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `Result<(), nix::Error>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 59 -         drop(nix::unistd::close(fd));
[INFO] [stdout] 59 +         let _ = nix::unistd::close(fd);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]   --> src/lib.rs:59:3
[INFO] [stdout]    |
[INFO] [stdout] 59 |         drop(nix::unistd::close(fd));
[INFO] [stdout]    |         ^^^^^----------------------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `Result<(), nix::Error>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 59 -         drop(nix::unistd::close(fd));
[INFO] [stdout] 59 +         let _ = nix::unistd::close(fd);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]   --> src/lib.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 |             drop(mman::munmap(self.control_block, CONTROL_BLOCK_SIZE))
[INFO] [stdout]    |             ^^^^^----------------------------------------------------^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `Result<(), nix::Error>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]   --> src/lib.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 |             drop(mman::munmap(self.control_block, CONTROL_BLOCK_SIZE))
[INFO] [stdout]    |             ^^^^^----------------------------------------------------^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `Result<(), nix::Error>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod lib;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod lib;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/lib.rs:180:27
[INFO] [stdout]     |
[INFO] [stdout] 180 |         let mask  = !(std::u32::MAX << bits_per_pin);
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> src/lib.rs:180:27
[INFO] [stdout]     |
[INFO] [stdout] 180 |         let mask  = !(std::u32::MAX << bits_per_pin);
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]   --> src/lib.rs:59:3
[INFO] [stdout]    |
[INFO] [stdout] 59 |         drop(nix::unistd::close(fd));
[INFO] [stdout]    |         ^^^^^----------------------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `Result<(), nix::Error>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 59 -         drop(nix::unistd::close(fd));
[INFO] [stdout] 59 +         let _ = nix::unistd::close(fd);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]   --> src/lib.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 |             drop(mman::munmap(self.control_block, CONTROL_BLOCK_SIZE))
[INFO] [stdout]    |             ^^^^^----------------------------------------------------^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `Result<(), nix::Error>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]   --> src/lib.rs:59:3
[INFO] [stdout]    |
[INFO] [stdout] 59 |         drop(nix::unistd::close(fd));
[INFO] [stdout]    |         ^^^^^----------------------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `Result<(), nix::Error>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 59 -         drop(nix::unistd::close(fd));
[INFO] [stdout] 59 +         let _ = nix::unistd::close(fd);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]   --> src/lib.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 |             drop(mman::munmap(self.control_block, CONTROL_BLOCK_SIZE))
[INFO] [stdout]    |             ^^^^^----------------------------------------------------^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `Result<(), nix::Error>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.92s
[INFO] running `Command { std: "docker" "inspect" "ca51105f674fa26d7211599e817f3056cad95fccfdca5e9155b8d514d84fcb00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca51105f674fa26d7211599e817f3056cad95fccfdca5e9155b8d514d84fcb00", kill_on_drop: false }`
[INFO] [stdout] ca51105f674fa26d7211599e817f3056cad95fccfdca5e9155b8d514d84fcb00
