[INFO] fetching crate region 3.0.2...
[INFO] checking region-3.0.2 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] extracting crate region 3.0.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate region 3.0.2 on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate region 3.0.2
[INFO] finished tweaking crates.io crate region 3.0.2
[INFO] tweaked toml for crates.io crate region 3.0.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 17 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.6.0)
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mmap-fixed v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08b3fd32d68119a022a79420954bc0c460ba88d8b8c016dcebbbbd20fefe50c1
[INFO] running `Command { std: "docker" "start" "-a" "08b3fd32d68119a022a79420954bc0c460ba88d8b8c016dcebbbbd20fefe50c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08b3fd32d68119a022a79420954bc0c460ba88d8b8c016dcebbbbd20fefe50c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08b3fd32d68119a022a79420954bc0c460ba88d8b8c016dcebbbbd20fefe50c1", kill_on_drop: false }`
[INFO] [stdout] 08b3fd32d68119a022a79420954bc0c460ba88d8b8c016dcebbbbd20fefe50c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f96b79cd68c28f52f38006371a8458f2674f59e66572fd838e3f226339bb9044
[INFO] running `Command { std: "docker" "start" "-a" "f96b79cd68c28f52f38006371a8458f2674f59e66572fd838e3f226339bb9044", kill_on_drop: false }`
[INFO] [stderr]     Checking mmap-fixed v0.1.6
[INFO] [stderr]     Checking region v3.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: casting references to a bigger memory layout than the backing allocation is undefined behavior, even if the reference is unused
[INFO] [stdout]    --> src/protect.rs:182:7
[INFO] [stdout]     |
[INFO] [stdout] 179 |     let address = &mut protect_can_alter_text_segments as *mut _ as *mut u8;
[INFO] [stdout]     |                   ---------------------------------------------------------
[INFO] [stdout]     |                   |    |
[INFO] [stdout]     |                   |    backing allocation comes from here
[INFO] [stdout]     |                   casting happend here
[INFO] [stdout] ...
[INFO] [stdout] 182 |       *address = 0x90;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: casting from `fn() {protect::tests::protect_can_alter_text_segments}` (0 bytes) to `u8` (1 bytes)
[INFO] [stdout]     = note: `#[deny(invalid_reference_casting)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `region` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "f96b79cd68c28f52f38006371a8458f2674f59e66572fd838e3f226339bb9044", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f96b79cd68c28f52f38006371a8458f2674f59e66572fd838e3f226339bb9044", kill_on_drop: false }`
[INFO] [stdout] f96b79cd68c28f52f38006371a8458f2674f59e66572fd838e3f226339bb9044