[INFO] fetching crate region 3.0.0...
[INFO] checking region-3.0.0 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-2
[INFO] extracting crate region 3.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate region 3.0.0 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "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-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mach v0.3.2
[INFO] [stderr]   Downloaded mmap-fixed v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b57a8252a4db3127f5e82f649e77335b9db69dbb1de8a544686c770af3b5672c
[INFO] running `Command { std: "docker" "start" "-a" "b57a8252a4db3127f5e82f649e77335b9db69dbb1de8a544686c770af3b5672c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b57a8252a4db3127f5e82f649e77335b9db69dbb1de8a544686c770af3b5672c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b57a8252a4db3127f5e82f649e77335b9db69dbb1de8a544686c770af3b5672c", kill_on_drop: false }`
[INFO] [stdout] b57a8252a4db3127f5e82f649e77335b9db69dbb1de8a544686c770af3b5672c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdcea49ef9a6d736d872bf4d3532c636140a4b22abfe316a903865ff8d6d6de9
[INFO] running `Command { std: "docker" "start" "-a" "fdcea49ef9a6d736d872bf4d3532c636140a4b22abfe316a903865ff8d6d6de9", 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" "fdcea49ef9a6d736d872bf4d3532c636140a4b22abfe316a903865ff8d6d6de9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdcea49ef9a6d736d872bf4d3532c636140a4b22abfe316a903865ff8d6d6de9", kill_on_drop: false }`
[INFO] [stdout] fdcea49ef9a6d736d872bf4d3532c636140a4b22abfe316a903865ff8d6d6de9
[INFO] checking region-3.0.0 against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-2
[INFO] extracting crate region 3.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate region 3.0.0 on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "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-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f435c8b761c12adeefa1f6cc7ddb8854a48285a9199c1a558cb62018c65c6ed5
[INFO] running `Command { std: "docker" "start" "-a" "f435c8b761c12adeefa1f6cc7ddb8854a48285a9199c1a558cb62018c65c6ed5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f435c8b761c12adeefa1f6cc7ddb8854a48285a9199c1a558cb62018c65c6ed5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f435c8b761c12adeefa1f6cc7ddb8854a48285a9199c1a558cb62018c65c6ed5", kill_on_drop: false }`
[INFO] [stdout] f435c8b761c12adeefa1f6cc7ddb8854a48285a9199c1a558cb62018c65c6ed5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ec234cfb919315bff8b7c1e7450e870cc5a335e1d6878272aa7ccda21b6de61
[INFO] running `Command { std: "docker" "start" "-a" "7ec234cfb919315bff8b7c1e7450e870cc5a335e1d6878272aa7ccda21b6de61", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "7ec234cfb919315bff8b7c1e7450e870cc5a335e1d6878272aa7ccda21b6de61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ec234cfb919315bff8b7c1e7450e870cc5a335e1d6878272aa7ccda21b6de61", kill_on_drop: false }`
[INFO] [stdout] 7ec234cfb919315bff8b7c1e7450e870cc5a335e1d6878272aa7ccda21b6de61