[INFO] fetching crate unsafe_unions 0.0.2...
[INFO] checking unsafe_unions-0.0.2 against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] extracting crate unsafe_unions 0.0.2 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate unsafe_unions 0.0.2 on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "read-manifest" "--manifest-path" "Cargo.toml", 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-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 190040d367e8ae569de01c477fb770918018b4bfa92fc26256f55d9447e3e69f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "190040d367e8ae569de01c477fb770918018b4bfa92fc26256f55d9447e3e69f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "190040d367e8ae569de01c477fb770918018b4bfa92fc26256f55d9447e3e69f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "190040d367e8ae569de01c477fb770918018b4bfa92fc26256f55d9447e3e69f", kill_on_drop: false }`
[INFO] [stdout] 190040d367e8ae569de01c477fb770918018b4bfa92fc26256f55d9447e3e69f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d07c7b85f6432f90ac2b5346e33afa52f6eb95b2664c83d803a12804df814b93
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d07c7b85f6432f90ac2b5346e33afa52f6eb95b2664c83d803a12804df814b93", 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 a macro (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 0.93s
[INFO] running `Command { std: "docker" "inspect" "d07c7b85f6432f90ac2b5346e33afa52f6eb95b2664c83d803a12804df814b93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d07c7b85f6432f90ac2b5346e33afa52f6eb95b2664c83d803a12804df814b93", kill_on_drop: false }`
[INFO] [stdout] d07c7b85f6432f90ac2b5346e33afa52f6eb95b2664c83d803a12804df814b93