[INFO] fetching crate region 3.0.0...
[INFO] checking region-3.0.0 against master#35936c4839dd272646394779d151e060d0f6b3ac for pr-122960-1
[INFO] extracting crate region 3.0.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate region 3.0.0 on toolchain 35936c4839dd272646394779d151e060d0f6b3ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate region 3.0.0
[INFO] finished tweaking crates.io crate region 3.0.0
[INFO] tweaked toml for crates.io crate region 3.0.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2e1c5fec625958bedd1eef1a39b4a6a843771d6c43de2fcee8737fb863e3d61
[INFO] running `Command { std: "docker" "start" "-a" "f2e1c5fec625958bedd1eef1a39b4a6a843771d6c43de2fcee8737fb863e3d61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2e1c5fec625958bedd1eef1a39b4a6a843771d6c43de2fcee8737fb863e3d61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2e1c5fec625958bedd1eef1a39b4a6a843771d6c43de2fcee8737fb863e3d61", kill_on_drop: false }`
[INFO] [stdout] f2e1c5fec625958bedd1eef1a39b4a6a843771d6c43de2fcee8737fb863e3d61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01dbccaed4e897f41e733b08b6e1660a8c677c9112b1e3a1a08180a41e895e19
[INFO] running `Command { std: "docker" "start" "-a" "01dbccaed4e897f41e733b08b6e1660a8c677c9112b1e3a1a08180a41e895e19", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking mmap-fixed v0.1.6
[INFO] [stderr]     Checking region v3.0.0 (/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:177:7
[INFO] [stdout]     |
[INFO] [stdout] 174 |     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] 177 |       *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" "01dbccaed4e897f41e733b08b6e1660a8c677c9112b1e3a1a08180a41e895e19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01dbccaed4e897f41e733b08b6e1660a8c677c9112b1e3a1a08180a41e895e19", kill_on_drop: false }`
[INFO] [stdout] 01dbccaed4e897f41e733b08b6e1660a8c677c9112b1e3a1a08180a41e895e19
[INFO] checking region-3.0.0 against try#9ae1860851f3fbc1435a1698e572252c0076f413 for pr-122960-1
[INFO] extracting crate region 3.0.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate region 3.0.0 on toolchain 9ae1860851f3fbc1435a1698e572252c0076f413
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9ae1860851f3fbc1435a1698e572252c0076f413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate region 3.0.0
[INFO] finished tweaking crates.io crate region 3.0.0
[INFO] tweaked toml for crates.io crate region 3.0.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9ae1860851f3fbc1435a1698e572252c0076f413" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9ae1860851f3fbc1435a1698e572252c0076f413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+9ae1860851f3fbc1435a1698e572252c0076f413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8befdb7030bdf9eab1d968d38f744fef897662fb8f4f2c2eabf7a9eccd80c5b
[INFO] running `Command { std: "docker" "start" "-a" "a8befdb7030bdf9eab1d968d38f744fef897662fb8f4f2c2eabf7a9eccd80c5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8befdb7030bdf9eab1d968d38f744fef897662fb8f4f2c2eabf7a9eccd80c5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8befdb7030bdf9eab1d968d38f744fef897662fb8f4f2c2eabf7a9eccd80c5b", kill_on_drop: false }`
[INFO] [stdout] a8befdb7030bdf9eab1d968d38f744fef897662fb8f4f2c2eabf7a9eccd80c5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+9ae1860851f3fbc1435a1698e572252c0076f413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e98d4754ceaa745569e9d348c84be9d9151670e6d4e9123d4bcabf89ac8a1261
[INFO] running `Command { std: "docker" "start" "-a" "e98d4754ceaa745569e9d348c84be9d9151670e6d4e9123d4bcabf89ac8a1261", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "e98d4754ceaa745569e9d348c84be9d9151670e6d4e9123d4bcabf89ac8a1261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e98d4754ceaa745569e9d348c84be9d9151670e6d4e9123d4bcabf89ac8a1261", kill_on_drop: false }`
[INFO] [stdout] e98d4754ceaa745569e9d348c84be9d9151670e6d4e9123d4bcabf89ac8a1261