[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 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::()); [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 [INFO] [stdout] = help: for more information about exposed provenance, see [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::()); [INFO] [stdout] 150 + libc::munmap(std::ptr::with_exposed_provenance_mut::(base_addr), mem::size_of::()); [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 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::()); [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 [INFO] [stdout] = help: for more information about exposed provenance, see [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::()); [INFO] [stdout] 150 + libc::munmap(std::ptr::with_exposed_provenance_mut::(base_addr), mem::size_of::()); [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 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::()); [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 [INFO] [stdout] = help: for more information about exposed provenance, see [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::()); [INFO] [stdout] 150 + libc::munmap(std::ptr::with_exposed_provenance_mut::(base_addr), mem::size_of::()); [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 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::()); [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 [INFO] [stderr] = help: for more information about exposed provenance, see [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::()); [INFO] [stderr] 150 + libc::munmap(std::ptr::with_exposed_provenance_mut::(base_addr), mem::size_of::()); [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