[INFO] fetching crate esp_idf_dev_sys 0.1.4...
[INFO] checking esp_idf_dev_sys-0.1.4 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate esp_idf_dev_sys 0.1.4 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate esp_idf_dev_sys 0.1.4
[INFO] finished tweaking crates.io crate esp_idf_dev_sys 0.1.4
[INFO] tweaked toml for crates.io crate esp_idf_dev_sys 0.1.4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate esp_idf_dev_sys 0.1.4 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c62361dd1aeb28a7635230b4a909177538465ea7eee426a6326e2a0c1c75cb63
[INFO] running `Command { std: "docker" "start" "-a" "c62361dd1aeb28a7635230b4a909177538465ea7eee426a6326e2a0c1c75cb63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c62361dd1aeb28a7635230b4a909177538465ea7eee426a6326e2a0c1c75cb63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c62361dd1aeb28a7635230b4a909177538465ea7eee426a6326e2a0c1c75cb63", kill_on_drop: false }`
[INFO] [stdout] c62361dd1aeb28a7635230b4a909177538465ea7eee426a6326e2a0c1c75cb63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4211523fef50872c31c35e18128f95f61d2410ac1f00d17b9f59bf2dd1aa666f
[INFO] running `Command { std: "docker" "start" "-a" "4211523fef50872c31c35e18128f95f61d2410ac1f00d17b9f59bf2dd1aa666f", kill_on_drop: false }`
[INFO] [stderr]     Checking esp_idf_dev_sys v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]      --> src/bindings.rs:57605:18
[INFO] [stdout]       |
[INFO] [stdout] 57605 |         unsafe { ::core::mem::transmute(self._bitfield_1.get(0usize, 8u8) as u32) }
[INFO] [stdout]       |                  ----------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]       |                  |
[INFO] [stdout]       |                  help: replace this with: `u32::cast_signed`
[INFO] [stdout]       |
[INFO] [stdout]       = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]      --> src/bindings.rs:57610:28
[INFO] [stdout]       |
[INFO] [stdout] 57610 |             let val: u32 = ::core::mem::transmute(val);
[INFO] [stdout]       |                            ----------------------^^^^^
[INFO] [stdout]       |                            |
[INFO] [stdout]       |                            help: replace this with: `i32::cast_unsigned`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]      --> src/bindings.rs:57726:18
[INFO] [stdout]       |
[INFO] [stdout] 57726 |         unsafe { ::core::mem::transmute(self._bitfield_1.get(64usize, 8u8) as u32) }
[INFO] [stdout]       |                  ----------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]       |                  |
[INFO] [stdout]       |                  help: replace this with: `u32::cast_signed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]      --> src/bindings.rs:57731:28
[INFO] [stdout]       |
[INFO] [stdout] 57731 |             let val: u32 = ::core::mem::transmute(val);
[INFO] [stdout]       |                            ----------------------^^^^^
[INFO] [stdout]       |                            |
[INFO] [stdout]       |                            help: replace this with: `i32::cast_unsigned`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]      --> src/bindings.rs:57837:38
[INFO] [stdout]       |
[INFO] [stdout] 57837 |             let rssi: u32 = unsafe { ::core::mem::transmute(rssi) };
[INFO] [stdout]       |                                      ----------------------^^^^^^
[INFO] [stdout]       |                                      |
[INFO] [stdout]       |                                      help: replace this with: `i32::cast_unsigned`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]      --> src/bindings.rs:57881:45
[INFO] [stdout]       |
[INFO] [stdout] 57881 |             let noise_floor: u32 = unsafe { ::core::mem::transmute(noise_floor) };
[INFO] [stdout]       |                                             ----------------------^^^^^^^^^^^^^
[INFO] [stdout]       |                                             |
[INFO] [stdout]       |                                             help: replace this with: `i32::cast_unsigned`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]      --> src/bindings.rs:57605:18
[INFO] [stdout]       |
[INFO] [stdout] 57605 |         unsafe { ::core::mem::transmute(self._bitfield_1.get(0usize, 8u8) as u32) }
[INFO] [stdout]       |                  ----------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]       |                  |
[INFO] [stdout]       |                  help: replace this with: `u32::cast_signed`
[INFO] [stdout]       |
[INFO] [stdout]       = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]      --> src/bindings.rs:57610:28
[INFO] [stdout]       |
[INFO] [stdout] 57610 |             let val: u32 = ::core::mem::transmute(val);
[INFO] [stdout]       |                            ----------------------^^^^^
[INFO] [stdout]       |                            |
[INFO] [stdout]       |                            help: replace this with: `i32::cast_unsigned`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]      --> src/bindings.rs:57726:18
[INFO] [stdout]       |
[INFO] [stdout] 57726 |         unsafe { ::core::mem::transmute(self._bitfield_1.get(64usize, 8u8) as u32) }
[INFO] [stdout]       |                  ----------------------^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]       |                  |
[INFO] [stdout]       |                  help: replace this with: `u32::cast_signed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]      --> src/bindings.rs:57731:28
[INFO] [stdout]       |
[INFO] [stdout] 57731 |             let val: u32 = ::core::mem::transmute(val);
[INFO] [stdout]       |                            ----------------------^^^^^
[INFO] [stdout]       |                            |
[INFO] [stdout]       |                            help: replace this with: `i32::cast_unsigned`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]      --> src/bindings.rs:57837:38
[INFO] [stdout]       |
[INFO] [stdout] 57837 |             let rssi: u32 = unsafe { ::core::mem::transmute(rssi) };
[INFO] [stdout]       |                                      ----------------------^^^^^^
[INFO] [stdout]       |                                      |
[INFO] [stdout]       |                                      help: replace this with: `i32::cast_unsigned`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]      --> src/bindings.rs:57881:45
[INFO] [stdout]       |
[INFO] [stdout] 57881 |             let noise_floor: u32 = unsafe { ::core::mem::transmute(noise_floor) };
[INFO] [stdout]       |                                             ----------------------^^^^^^^^^^^^^
[INFO] [stdout]       |                                             |
[INFO] [stdout]       |                                             help: replace this with: `i32::cast_unsigned`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.67s
[INFO] running `Command { std: "docker" "inspect" "4211523fef50872c31c35e18128f95f61d2410ac1f00d17b9f59bf2dd1aa666f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4211523fef50872c31c35e18128f95f61d2410ac1f00d17b9f59bf2dd1aa666f", kill_on_drop: false }`
[INFO] [stdout] 4211523fef50872c31c35e18128f95f61d2410ac1f00d17b9f59bf2dd1aa666f