[INFO] fetching crate pzem004t 0.1.7...
[INFO] checking pzem004t-0.1.7 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate pzem004t 0.1.7 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate pzem004t 0.1.7 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pzem004t 0.1.7
[INFO] finished tweaking crates.io crate pzem004t 0.1.7
[INFO] tweaked toml for crates.io crate pzem004t 0.1.7 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding embedded-hal v0.2.7 (available: v1.0.0)
[INFO] [stderr]       Adding nb v0.1.3 (available: v1.1.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f3e88a481fa6052b58fc11ab7dbbcee7d55c51389388efd2197708d89be941c
[INFO] running `Command { std: "docker" "start" "-a" "0f3e88a481fa6052b58fc11ab7dbbcee7d55c51389388efd2197708d89be941c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f3e88a481fa6052b58fc11ab7dbbcee7d55c51389388efd2197708d89be941c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f3e88a481fa6052b58fc11ab7dbbcee7d55c51389388efd2197708d89be941c", kill_on_drop: false }`
[INFO] [stdout] 0f3e88a481fa6052b58fc11ab7dbbcee7d55c51389388efd2197708d89be941c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dtail_expr_drop_order" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8912fd9a105e688bd4d1c6356b8b26a6baf000aec95c30c2348556d2c74dc2e4
[INFO] running `Command { std: "docker" "start" "-a" "8912fd9a105e688bd4d1c6356b8b26a6baf000aec95c30c2348556d2c74dc2e4", kill_on_drop: false }`
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]    Compiling crc16 v0.4.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking pzem004t v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the type `[u8; 25]` does not permit being left uninitialized
[INFO] [stdout]    --> src/lib.rs:235:43
[INFO] [stdout]     |
[INFO] [stdout] 235 |         let mut resp: [u8; 25] = unsafe { core::mem::MaybeUninit::uninit().assume_init() };
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                           |
[INFO] [stdout]     |                                           this code causes undefined behavior when executed
[INFO] [stdout]     |                                           help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[u8; 7]` does not permit being left uninitialized
[INFO] [stdout]    --> src/lib.rs:263:42
[INFO] [stdout]     |
[INFO] [stdout] 263 |         let mut resp: [u8; 7] = unsafe { core::mem::MaybeUninit::uninit().assume_init() };
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                          |
[INFO] [stdout]     |                                          this code causes undefined behavior when executed
[INFO] [stdout]     |                                          help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[u8; 7]` does not permit being left uninitialized
[INFO] [stdout]    --> src/lib.rs:289:42
[INFO] [stdout]     |
[INFO] [stdout] 289 |         let mut resp: [u8; 7] = unsafe { core::mem::MaybeUninit::uninit().assume_init() };
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                          |
[INFO] [stdout]     |                                          this code causes undefined behavior when executed
[INFO] [stdout]     |                                          help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[u8; 8]` does not permit being left uninitialized
[INFO] [stdout]    --> src/lib.rs:320:42
[INFO] [stdout]     |
[INFO] [stdout] 320 |         let mut resp: [u8; 8] = unsafe { core::mem::MaybeUninit::uninit().assume_init() };
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                          |
[INFO] [stdout]     |                                          this code causes undefined behavior when executed
[INFO] [stdout]     |                                          help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[u8; 8]` does not permit being left uninitialized
[INFO] [stdout]    --> src/lib.rs:357:42
[INFO] [stdout]     |
[INFO] [stdout] 357 |         let mut resp: [u8; 8] = unsafe { core::mem::MaybeUninit::uninit().assume_init() };
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                          |
[INFO] [stdout]     |                                          this code causes undefined behavior when executed
[INFO] [stdout]     |                                          help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[u8; 4]` does not permit being left uninitialized
[INFO] [stdout]    --> src/lib.rs:373:42
[INFO] [stdout]     |
[INFO] [stdout] 373 |         let mut resp: [u8; 4] = unsafe { core::mem::MaybeUninit::uninit().assume_init() };
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                          |
[INFO] [stdout]     |                                          this code causes undefined behavior when executed
[INFO] [stdout]     |                                          help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[u8; 25]` does not permit being left uninitialized
[INFO] [stdout]    --> src/lib.rs:235:43
[INFO] [stdout]     |
[INFO] [stdout] 235 |         let mut resp: [u8; 25] = unsafe { core::mem::MaybeUninit::uninit().assume_init() };
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                           |
[INFO] [stdout]     |                                           this code causes undefined behavior when executed
[INFO] [stdout]     |                                           help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[u8; 7]` does not permit being left uninitialized
[INFO] [stdout]    --> src/lib.rs:263:42
[INFO] [stdout]     |
[INFO] [stdout] 263 |         let mut resp: [u8; 7] = unsafe { core::mem::MaybeUninit::uninit().assume_init() };
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                          |
[INFO] [stdout]     |                                          this code causes undefined behavior when executed
[INFO] [stdout]     |                                          help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[u8; 7]` does not permit being left uninitialized
[INFO] [stdout]    --> src/lib.rs:289:42
[INFO] [stdout]     |
[INFO] [stdout] 289 |         let mut resp: [u8; 7] = unsafe { core::mem::MaybeUninit::uninit().assume_init() };
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                          |
[INFO] [stdout]     |                                          this code causes undefined behavior when executed
[INFO] [stdout]     |                                          help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[u8; 8]` does not permit being left uninitialized
[INFO] [stdout]    --> src/lib.rs:320:42
[INFO] [stdout]     |
[INFO] [stdout] 320 |         let mut resp: [u8; 8] = unsafe { core::mem::MaybeUninit::uninit().assume_init() };
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                          |
[INFO] [stdout]     |                                          this code causes undefined behavior when executed
[INFO] [stdout]     |                                          help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[u8; 8]` does not permit being left uninitialized
[INFO] [stdout]    --> src/lib.rs:357:42
[INFO] [stdout]     |
[INFO] [stdout] 357 |         let mut resp: [u8; 8] = unsafe { core::mem::MaybeUninit::uninit().assume_init() };
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                          |
[INFO] [stdout]     |                                          this code causes undefined behavior when executed
[INFO] [stdout]     |                                          help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `[u8; 4]` does not permit being left uninitialized
[INFO] [stdout]    --> src/lib.rs:373:42
[INFO] [stdout]     |
[INFO] [stdout] 373 |         let mut resp: [u8; 4] = unsafe { core::mem::MaybeUninit::uninit().assume_init() };
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                          |
[INFO] [stdout]     |                                          this code causes undefined behavior when executed
[INFO] [stdout]     |                                          help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "8912fd9a105e688bd4d1c6356b8b26a6baf000aec95c30c2348556d2c74dc2e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8912fd9a105e688bd4d1c6356b8b26a6baf000aec95c30c2348556d2c74dc2e4", kill_on_drop: false }`
[INFO] [stdout] 8912fd9a105e688bd4d1c6356b8b26a6baf000aec95c30c2348556d2c74dc2e4