[INFO] fetching crate defmt-rtt 0.4.1... [INFO] checking defmt-rtt-0.4.1 against try#ccf408f4326a858c00dd845a64a86b16f360a801 for pr-129466-2 [INFO] extracting crate defmt-rtt 0.4.1 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate defmt-rtt 0.4.1 on toolchain ccf408f4326a858c00dd845a64a86b16f360a801 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate defmt-rtt 0.4.1 [INFO] finished tweaking crates.io crate defmt-rtt 0.4.1 [INFO] tweaked toml for crates.io crate defmt-rtt 0.4.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 15 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.6.0) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.77) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f1b866b4514fc12b7b9ea43dbcf009867ef5122ac8326b204f4536c14a096200 [INFO] running `Command { std: "docker" "start" "-a" "f1b866b4514fc12b7b9ea43dbcf009867ef5122ac8326b204f4536c14a096200", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f1b866b4514fc12b7b9ea43dbcf009867ef5122ac8326b204f4536c14a096200", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f1b866b4514fc12b7b9ea43dbcf009867ef5122ac8326b204f4536c14a096200", kill_on_drop: false }` [INFO] [stdout] f1b866b4514fc12b7b9ea43dbcf009867ef5122ac8326b204f4536c14a096200 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+ccf408f4326a858c00dd845a64a86b16f360a801" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6646e203dbb89fd1d9504a8ca37be83871c88705a3c514be74b52ed0bda0d53b [INFO] running `Command { std: "docker" "start" "-a" "6646e203dbb89fd1d9504a8ca37be83871c88705a3c514be74b52ed0bda0d53b", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Migrating Cargo.toml from 2021 edition to 2024 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling defmt v0.3.8 [INFO] [stderr] Compiling defmt-macros v0.3.9 [INFO] [stderr] Compiling defmt-rtt v0.4.1 (/tmp/fixit) [INFO] [stderr] Checking critical-section v1.1.3 [INFO] [stderr] Compiling thiserror v1.0.64 [INFO] [stderr] Migrating build.rs from 2021 edition to 2024 [INFO] [stderr] Compiling defmt-parser v0.3.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Migrating src/lib.rs from 2021 edition to 2024 [INFO] [stderr] Fixed src/lib.rs (7 fixes) [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/lib.rs:131:30 [INFO] [stdout] | [INFO] [stdout] 131 | buffer: unsafe { &mut BUFFER as *mut _ as *mut u8 }, [INFO] [stdout] | ^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior [INFO] [stdout] = note: `--force-warn static-mut-refs` implied by `--force-warn rust-2024-compatibility` [INFO] [stdout] help: use `addr_of_mut!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 131 | buffer: unsafe { addr_of_mut!(BUFFER) as *mut _ as *mut u8 }, [INFO] [stdout] | ~~~~~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/lib.rs:131:30 [INFO] [stdout] | [INFO] [stdout] 131 | buffer: unsafe { &mut BUFFER as *mut _ as *mut u8 }, [INFO] [stdout] | ^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior [INFO] [stdout] = note: `--force-warn static-mut-refs` implied by `--force-warn rust-2024-compatibility` [INFO] [stdout] help: use `addr_of_mut!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 131 | buffer: unsafe { addr_of_mut!(BUFFER) as *mut _ as *mut u8 }, [INFO] [stdout] | ~~~~~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.49s [INFO] [stderr] Running `cargo check` to verify 2024 [INFO] [stderr] Compiling defmt-rtt v0.4.1 (/tmp/fixit) [INFO] [stdout] error[E0796]: creating a mutable reference to a mutable static [INFO] [stdout] --> src/lib.rs:131:30 [INFO] [stdout] | [INFO] [stdout] 131 | buffer: unsafe { &mut BUFFER as *mut _ as *mut u8 }, [INFO] [stdout] | ^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: this mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior [INFO] [stdout] help: use `addr_of_mut!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 131 | buffer: unsafe { addr_of_mut!(BUFFER) as *mut _ as *mut u8 }, [INFO] [stdout] | ~~~~~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0796]: creating a mutable reference to a mutable static [INFO] [stdout] --> src/lib.rs:131:30 [INFO] [stdout] | [INFO] [stdout] 131 | buffer: unsafe { &mut BUFFER as *mut _ as *mut u8 }, [INFO] [stdout] | ^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: this mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior [INFO] [stdout] help: use `addr_of_mut!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 131 | buffer: unsafe { addr_of_mut!(BUFFER) as *mut _ as *mut u8 }, [INFO] [stdout] | ~~~~~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0796`. [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0796`. [INFO] [stdout] [INFO] [stderr] error: could not compile `defmt-rtt` (lib test) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `defmt-rtt` (lib) due to 2 previous errors [INFO] [stderr] error: failed to check after updating to 2024 [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `cargo check --frozen --all --all-targets --message-format=json` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "6646e203dbb89fd1d9504a8ca37be83871c88705a3c514be74b52ed0bda0d53b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6646e203dbb89fd1d9504a8ca37be83871c88705a3c514be74b52ed0bda0d53b", kill_on_drop: false }` [INFO] [stdout] 6646e203dbb89fd1d9504a8ca37be83871c88705a3c514be74b52ed0bda0d53b