[INFO] fetching crate dev-mmio 0.1.0...
[INFO] testing dev-mmio-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate dev-mmio 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate dev-mmio 0.1.0
[INFO] finished tweaking crates.io crate dev-mmio 0.1.0
[INFO] tweaked toml for crates.io crate dev-mmio 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dev-mmio 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 937e7c142a42474f70f86ba87d6e81877f055f4d2d2f09282b67efcd5d70be77
[INFO] running `Command { std: "docker" "start" "-a" "937e7c142a42474f70f86ba87d6e81877f055f4d2d2f09282b67efcd5d70be77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "937e7c142a42474f70f86ba87d6e81877f055f4d2d2f09282b67efcd5d70be77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "937e7c142a42474f70f86ba87d6e81877f055f4d2d2f09282b67efcd5d70be77", kill_on_drop: false }`
[INFO] [stdout] 937e7c142a42474f70f86ba87d6e81877f055f4d2d2f09282b67efcd5d70be77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73b7eda64851925cfe94f176ea53d525d5307cdef689353006cdf84abda1bf55
[INFO] running `Command { std: "docker" "start" "-a" "73b7eda64851925cfe94f176ea53d525d5307cdef689353006cdf84abda1bf55", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling dev-mmio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> src/lib.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![cfg_attr(feature = "cargo-clippy", allow(clippy::style))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: transmuting an integer to a pointer creates a pointer without provenance
[INFO] [stdout]    --> src/lib.rs:150:30
[INFO] [stdout]     |
[INFO] [stdout] 150 |                 libc::munmap(mem::transmute(base_addr), mem::size_of::<T>());
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is dangerous because dereferencing the resulting pointer is undefined behavior
[INFO] [stdout]     = note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
[INFO] [stdout]     = help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
[INFO] [stdout]     = help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
[INFO] [stdout]     = help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
[INFO] [stdout]     = note: `#[warn(integer_to_ptr_transmutes)]` on by default
[INFO] [stdout] help: use `std::ptr::with_exposed_provenance_mut` instead to use a previously exposed provenance
[INFO] [stdout]     |
[INFO] [stdout] 150 -                 libc::munmap(mem::transmute(base_addr), mem::size_of::<T>());
[INFO] [stdout] 150 +                 libc::munmap(std::ptr::with_exposed_provenance_mut::<c_void>(base_addr), mem::size_of::<T>());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "73b7eda64851925cfe94f176ea53d525d5307cdef689353006cdf84abda1bf55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73b7eda64851925cfe94f176ea53d525d5307cdef689353006cdf84abda1bf55", kill_on_drop: false }`
[INFO] [stdout] 73b7eda64851925cfe94f176ea53d525d5307cdef689353006cdf84abda1bf55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50996111e3f82431a57a8145dd9fbb632bac7d5995a4bbc740614df5e0e21aa1
[INFO] running `Command { std: "docker" "start" "-a" "50996111e3f82431a57a8145dd9fbb632bac7d5995a4bbc740614df5e0e21aa1", kill_on_drop: false }`
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> src/lib.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![cfg_attr(feature = "cargo-clippy", allow(clippy::style))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: transmuting an integer to a pointer creates a pointer without provenance
[INFO] [stdout]    --> src/lib.rs:150:30
[INFO] [stdout]     |
[INFO] [stdout] 150 |                 libc::munmap(mem::transmute(base_addr), mem::size_of::<T>());
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is dangerous because dereferencing the resulting pointer is undefined behavior
[INFO] [stdout]     = note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
[INFO] [stdout]     = help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
[INFO] [stdout]     = help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
[INFO] [stdout]     = help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
[INFO] [stdout]     = note: `#[warn(integer_to_ptr_transmutes)]` on by default
[INFO] [stdout] help: use `std::ptr::with_exposed_provenance_mut` instead to use a previously exposed provenance
[INFO] [stdout]     |
[INFO] [stdout] 150 -                 libc::munmap(mem::transmute(base_addr), mem::size_of::<T>());
[INFO] [stdout] 150 +                 libc::munmap(std::ptr::with_exposed_provenance_mut::<c_void>(base_addr), mem::size_of::<T>());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling dev-mmio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> src/lib.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![cfg_attr(feature = "cargo-clippy", allow(clippy::style))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: transmuting an integer to a pointer creates a pointer without provenance
[INFO] [stdout]    --> src/lib.rs:150:30
[INFO] [stdout]     |
[INFO] [stdout] 150 |                 libc::munmap(mem::transmute(base_addr), mem::size_of::<T>());
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is dangerous because dereferencing the resulting pointer is undefined behavior
[INFO] [stdout]     = note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
[INFO] [stdout]     = help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
[INFO] [stdout]     = help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
[INFO] [stdout]     = help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
[INFO] [stdout]     = note: `#[warn(integer_to_ptr_transmutes)]` on by default
[INFO] [stdout] help: use `std::ptr::with_exposed_provenance_mut` instead to use a previously exposed provenance
[INFO] [stdout]     |
[INFO] [stdout] 150 -                 libc::munmap(mem::transmute(base_addr), mem::size_of::<T>());
[INFO] [stdout] 150 +                 libc::munmap(std::ptr::with_exposed_provenance_mut::<c_void>(base_addr), mem::size_of::<T>());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "50996111e3f82431a57a8145dd9fbb632bac7d5995a4bbc740614df5e0e21aa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50996111e3f82431a57a8145dd9fbb632bac7d5995a4bbc740614df5e0e21aa1", kill_on_drop: false }`
[INFO] [stdout] 50996111e3f82431a57a8145dd9fbb632bac7d5995a4bbc740614df5e0e21aa1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 88be76a00ddb558701f3db1804b6993694d540c6c3cbe0e43f154c8391292286
[INFO] running `Command { std: "docker" "start" "-a" "88be76a00ddb558701f3db1804b6993694d540c6c3cbe0e43f154c8391292286", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stderr]  --> src/lib.rs:5:13
[INFO] [stderr]   |
[INFO] [stderr] 5 | #![cfg_attr(feature = "cargo-clippy", allow(clippy::style))]
[INFO] [stderr]   |             ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stderr]   |
[INFO] [stderr]   = note: no expected values for `feature`
[INFO] [stderr]   = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stderr]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: transmuting an integer to a pointer creates a pointer without provenance
[INFO] [stderr]    --> src/lib.rs:150:30
[INFO] [stderr]     |
[INFO] [stderr] 150 |                 libc::munmap(mem::transmute(base_addr), mem::size_of::<T>());
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is dangerous because dereferencing the resulting pointer is undefined behavior
[INFO] [stderr]     = note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
[INFO] [stderr]     = help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
[INFO] [stderr]     = help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
[INFO] [stderr]     = help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
[INFO] [stderr]     = note: `#[warn(integer_to_ptr_transmutes)]` on by default
[INFO] [stderr] help: use `std::ptr::with_exposed_provenance_mut` instead to use a previously exposed provenance
[INFO] [stderr]     |
[INFO] [stderr] 150 -                 libc::munmap(mem::transmute(base_addr), mem::size_of::<T>());
[INFO] [stderr] 150 +                 libc::munmap(std::ptr::with_exposed_provenance_mut::<c_void>(base_addr), mem::size_of::<T>());
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `dev-mmio` (lib) generated 2 warnings (run `cargo fix --lib -p dev-mmio` to apply 1 suggestion)
[INFO] [stderr] warning: `dev-mmio` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dev_mmio-6bd98bf20f68d7ae)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dev_mmio
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "88be76a00ddb558701f3db1804b6993694d540c6c3cbe0e43f154c8391292286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88be76a00ddb558701f3db1804b6993694d540c6c3cbe0e43f154c8391292286", kill_on_drop: false }`
[INFO] [stdout] 88be76a00ddb558701f3db1804b6993694d540c6c3cbe0e43f154c8391292286
