[INFO] fetching crate unsafe_unions 0.0.2...
[INFO] checking unsafe_unions-0.0.2 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate unsafe_unions 0.0.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate unsafe_unions 0.0.2 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unsafe_unions 0.0.2
[INFO] finished tweaking crates.io crate unsafe_unions 0.0.2
[INFO] tweaked toml for crates.io crate unsafe_unions 0.0.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e63aeef7b2645b9ccadb0f16681ac69ec4afa1120b6f9351385797b5333c5eaa
[INFO] running `Command { std: "docker" "start" "-a" "e63aeef7b2645b9ccadb0f16681ac69ec4afa1120b6f9351385797b5333c5eaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e63aeef7b2645b9ccadb0f16681ac69ec4afa1120b6f9351385797b5333c5eaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e63aeef7b2645b9ccadb0f16681ac69ec4afa1120b6f9351385797b5333c5eaa", kill_on_drop: false }`
[INFO] [stdout] e63aeef7b2645b9ccadb0f16681ac69ec4afa1120b6f9351385797b5333c5eaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4280dd1322f3ad08f9c5253d7ecc0a5b6e9ccf624d25d22010975a7ffef73724
[INFO] running `Command { std: "docker" "start" "-a" "4280dd1322f3ad08f9c5253d7ecc0a5b6e9ccf624d25d22010975a7ffef73724", kill_on_drop: false }`
[INFO] [stderr]     Checking unsafe_unions v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> examples/untagged_value.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout] 4  | / unsafe_unions!{
[INFO] [stdout] 5  | |     union UntaggedValue: [u64; 3] {
[INFO] [stdout] 6  | |         nil: (),
[INFO] [stdout] 7  | |         boolean: bool,
[INFO] [stdout] ...  |
[INFO] [stdout] 11 | |     }
[INFO] [stdout] 12 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `unsafe_unions` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "4280dd1322f3ad08f9c5253d7ecc0a5b6e9ccf624d25d22010975a7ffef73724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4280dd1322f3ad08f9c5253d7ecc0a5b6e9ccf624d25d22010975a7ffef73724", kill_on_drop: false }`
[INFO] [stdout] 4280dd1322f3ad08f9c5253d7ecc0a5b6e9ccf624d25d22010975a7ffef73724