[INFO] fetching crate rpi-gpio 0.1.1... [INFO] testing rpi-gpio-0.1.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8 [INFO] extracting crate rpi-gpio 0.1.1 into /workspace/builds/worker-5-tc2/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-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate rpi-gpio 0.1.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 28 packages to latest compatible versions [INFO] [stderr] Adding nix v0.13.1 (available: v0.30.1) [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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 55de4bc32d2de1886026c53e20286c147bfd6b322c5ef98e8a4bd781ff9698df [INFO] running `Command { std: "docker" "start" "-a" "55de4bc32d2de1886026c53e20286c147bfd6b322c5ef98e8a4bd781ff9698df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "55de4bc32d2de1886026c53e20286c147bfd6b322c5ef98e8a4bd781ff9698df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "55de4bc32d2de1886026c53e20286c147bfd6b322c5ef98e8a4bd781ff9698df", kill_on_drop: false }` [INFO] [stdout] 55de4bc32d2de1886026c53e20286c147bfd6b322c5ef98e8a4bd781ff9698df [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 569230a4b360b14db856771998f8cf78c48675fb512a9651de4b6ee8bbc71fb7 [INFO] running `Command { std: "docker" "start" "-a" "569230a4b360b14db856771998f8cf78c48675fb512a9651de4b6ee8bbc71fb7", kill_on_drop: false }` [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling nix v0.13.1 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Compiling yansi v0.5.1 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling structopt v0.2.18 [INFO] [stderr] Compiling rpi-gpio v0.1.1 (/opt/rustwide/workdir) [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: 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: 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 10.12s [INFO] running `Command { std: "docker" "inspect" "569230a4b360b14db856771998f8cf78c48675fb512a9651de4b6ee8bbc71fb7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "569230a4b360b14db856771998f8cf78c48675fb512a9651de4b6ee8bbc71fb7", kill_on_drop: false }` [INFO] [stdout] 569230a4b360b14db856771998f8cf78c48675fb512a9651de4b6ee8bbc71fb7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b4ed534c4645e51680ee52a7a9981fcbabbf9d3080d62d709178903f4df01cf7 [INFO] running `Command { std: "docker" "start" "-a" "b4ed534c4645e51680ee52a7a9981fcbabbf9d3080d62d709178903f4df01cf7", kill_on_drop: false }` [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] Compiling rpi-gpio v0.1.1 (/opt/rustwide/workdir) [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: 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 `test` profile [unoptimized + debuginfo] target(s) in 0.67s [INFO] running `Command { std: "docker" "inspect" "b4ed534c4645e51680ee52a7a9981fcbabbf9d3080d62d709178903f4df01cf7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b4ed534c4645e51680ee52a7a9981fcbabbf9d3080d62d709178903f4df01cf7", kill_on_drop: false }` [INFO] [stdout] b4ed534c4645e51680ee52a7a9981fcbabbf9d3080d62d709178903f4df01cf7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 04c06672171213a4ee61105e39bcdbd5ad32e4d2e3ad58514d7bc2cfa037110b [INFO] running `Command { std: "docker" "start" "-a" "04c06672171213a4ee61105e39bcdbd5ad32e4d2e3ad58514d7bc2cfa037110b", kill_on_drop: false }` [INFO] [stderr] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] [INFO] [stderr] --> src/lib.rs:59:3 [INFO] [stdout] running 0 tests [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] 59 | drop(nix::unistd::close(fd)); [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] | ^^^^^----------------------^ [INFO] [stdout] [INFO] [stderr] | | [INFO] [stderr] | argument has type `Result<(), nix::Error>` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the expression or result [INFO] [stderr] | [INFO] [stderr] 59 - drop(nix::unistd::close(fd)); [INFO] [stderr] 59 + let _ = nix::unistd::close(fd); [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stderr] --> src/lib.rs:91:4 [INFO] [stderr] | [INFO] [stderr] 91 | drop(mman::munmap(self.control_block, CONTROL_BLOCK_SIZE)) [INFO] [stderr] | ^^^^^----------------------------------------------------^ [INFO] [stderr] | | [INFO] [stderr] | argument has type `Result<(), nix::Error>` [INFO] [stderr] | [INFO] [stderr] = note: use `let _ = ...` to ignore the expression or result [INFO] [stderr] [INFO] [stderr] warning: `rpi-gpio` (lib) generated 2 warnings [INFO] [stderr] warning: found module declaration for lib.rs [INFO] [stderr] --> src/main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | pub mod lib; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: lib.rs is the root of this crate's library target [INFO] [stderr] = help: to refer to it from other targets, use the library's name as the path [INFO] [stderr] = note: `#[warn(special_module_name)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `rpi-gpio` (bin "rpi-gpio" test) generated 3 warnings (2 duplicates) [INFO] [stderr] warning: `rpi-gpio` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rpi_gpio-5e400a16d92d2a3a) [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rpi_gpio-6855a192e83e3675) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests rpi_gpio [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "04c06672171213a4ee61105e39bcdbd5ad32e4d2e3ad58514d7bc2cfa037110b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "04c06672171213a4ee61105e39bcdbd5ad32e4d2e3ad58514d7bc2cfa037110b", kill_on_drop: false }` [INFO] [stdout] 04c06672171213a4ee61105e39bcdbd5ad32e4d2e3ad58514d7bc2cfa037110b