[INFO] fetching crate si5351 0.2.0...
[INFO] testing si5351-0.2.0 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate si5351 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate si5351 0.2.0
[INFO] finished tweaking crates.io crate si5351 0.2.0
[INFO] tweaked toml for crates.io crate si5351 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate si5351 0.2.0 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "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" "+33835004928d3bf65db4d4712e1330766263b0bd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.11.1)
[INFO] [stderr]       Adding embedded-hal v0.2.7 (available: v1.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2564dbc51a2063f6e8bf58378c14c7e8bcfd489825a1b7e47fb19e0b9ae8e491
[INFO] running `Command { std: "docker" "start" "-a" "2564dbc51a2063f6e8bf58378c14c7e8bcfd489825a1b7e47fb19e0b9ae8e491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2564dbc51a2063f6e8bf58378c14c7e8bcfd489825a1b7e47fb19e0b9ae8e491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2564dbc51a2063f6e8bf58378c14c7e8bcfd489825a1b7e47fb19e0b9ae8e491", kill_on_drop: false }`
[INFO] [stdout] 2564dbc51a2063f6e8bf58378c14c7e8bcfd489825a1b7e47fb19e0b9ae8e491
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7afd1b191d6193c91596c5e60e853af9eeccad2dec790f5f435b6857aba6b0aa
[INFO] running `Command { std: "docker" "start" "-a" "7afd1b191d6193c91596c5e60e853af9eeccad2dec790f5f435b6857aba6b0aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling si5351 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: use of deprecated function `core::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:451:49
[INFO] [stdout]     |
[INFO] [stdout] 451 |         let mut buffer: [u8; 1] = unsafe { mem::uninitialized() };
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:80:9
[INFO] [stdout]     |
[INFO] [stdout]  80 | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(deprecated)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: the type `[u8; 1]` does not permit being left uninitialized
[INFO] [stdout]    --> src/lib.rs:451:44
[INFO] [stdout]     |
[INFO] [stdout] 451 |         let mut buffer: [u8; 1] = unsafe { mem::uninitialized() };
[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: `#[deny(invalid_value)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `si5351` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "7afd1b191d6193c91596c5e60e853af9eeccad2dec790f5f435b6857aba6b0aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7afd1b191d6193c91596c5e60e853af9eeccad2dec790f5f435b6857aba6b0aa", kill_on_drop: false }`
[INFO] [stdout] 7afd1b191d6193c91596c5e60e853af9eeccad2dec790f5f435b6857aba6b0aa
