[INFO] fetching crate defmt-rtt 0.4.0... [INFO] checking defmt-rtt-0.4.0 against master#35936c4839dd272646394779d151e060d0f6b3ac for pr-122960-1 [INFO] extracting crate defmt-rtt 0.4.0 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate defmt-rtt 0.4.0 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 defmt-rtt 0.4.0 [INFO] finished tweaking crates.io crate defmt-rtt 0.4.0 [INFO] tweaked toml for crates.io crate defmt-rtt 0.4.0 written to /workspace/builds/worker-2-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] 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" "+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 defmt-macros v0.3.7 [INFO] [stderr] Downloaded critical-section v1.1.2 [INFO] [stderr] Downloaded defmt-parser v0.3.4 [INFO] [stderr] Downloaded defmt v0.3.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 734030d2915e0de0bd68f65a3f73d5c34a0db963b3dee953155b5ff2036c0672 [INFO] running `Command { std: "docker" "start" "-a" "734030d2915e0de0bd68f65a3f73d5c34a0db963b3dee953155b5ff2036c0672", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "734030d2915e0de0bd68f65a3f73d5c34a0db963b3dee953155b5ff2036c0672", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "734030d2915e0de0bd68f65a3f73d5c34a0db963b3dee953155b5ff2036c0672", kill_on_drop: false }` [INFO] [stdout] 734030d2915e0de0bd68f65a3f73d5c34a0db963b3dee953155b5ff2036c0672 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] df84daf3bf77bae585f86ac288ea7a8c9b9035832f7d68f13e1366d7aeb26da0 [INFO] running `Command { std: "docker" "start" "-a" "df84daf3bf77bae585f86ac288ea7a8c9b9035832f7d68f13e1366d7aeb26da0", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling syn v2.0.55 [INFO] [stderr] Compiling thiserror v1.0.58 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling defmt-macros v0.3.7 [INFO] [stderr] Compiling defmt v0.3.6 [INFO] [stderr] Compiling defmt-rtt v0.4.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking critical-section v1.1.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Compiling defmt-parser v0.3.4 [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/lib.rs:130:30 [INFO] [stdout] | [INFO] [stdout] 130 | 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: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] help: use `addr_of_mut!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 130 | buffer: unsafe { addr_of_mut!(BUFFER) as *mut _ as *mut u8 }, [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/lib.rs:130:30 [INFO] [stdout] | [INFO] [stdout] 130 | 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: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] help: use `addr_of_mut!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 130 | 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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.91s [INFO] running `Command { std: "docker" "inspect" "df84daf3bf77bae585f86ac288ea7a8c9b9035832f7d68f13e1366d7aeb26da0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df84daf3bf77bae585f86ac288ea7a8c9b9035832f7d68f13e1366d7aeb26da0", kill_on_drop: false }` [INFO] [stdout] df84daf3bf77bae585f86ac288ea7a8c9b9035832f7d68f13e1366d7aeb26da0 [INFO] checking defmt-rtt-0.4.0 against try#9ae1860851f3fbc1435a1698e572252c0076f413 for pr-122960-1 [INFO] extracting crate defmt-rtt 0.4.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate defmt-rtt 0.4.0 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 defmt-rtt 0.4.0 [INFO] finished tweaking crates.io crate defmt-rtt 0.4.0 [INFO] tweaked toml for crates.io crate defmt-rtt 0.4.0 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" "+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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+9ae1860851f3fbc1435a1698e572252c0076f413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ead468d770ebef21fa62e23c767fbf4cf376ac41581fe8d150f68e606ca3c9b4 [INFO] running `Command { std: "docker" "start" "-a" "ead468d770ebef21fa62e23c767fbf4cf376ac41581fe8d150f68e606ca3c9b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ead468d770ebef21fa62e23c767fbf4cf376ac41581fe8d150f68e606ca3c9b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ead468d770ebef21fa62e23c767fbf4cf376ac41581fe8d150f68e606ca3c9b4", kill_on_drop: false }` [INFO] [stdout] ead468d770ebef21fa62e23c767fbf4cf376ac41581fe8d150f68e606ca3c9b4 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+9ae1860851f3fbc1435a1698e572252c0076f413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5fb11e6e1c6a9ab5f75fe0e553da8c65d5273763fe91427fbd4f2acdb483e04d [INFO] running `Command { std: "docker" "start" "-a" "5fb11e6e1c6a9ab5f75fe0e553da8c65d5273763fe91427fbd4f2acdb483e04d", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling thiserror v1.0.58 [INFO] [stderr] Compiling defmt-macros v0.3.7 [INFO] [stderr] Compiling defmt v0.3.6 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Compiling defmt-rtt v0.4.0 (/tmp/fixit) [INFO] [stderr] Migrating build.rs from 2021 edition to 2024 [INFO] [stderr] Checking critical-section v1.1.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.55 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Compiling defmt-parser v0.3.4 [INFO] [stderr] Migrating src/lib.rs from 2021 edition to 2024 [INFO] [stderr] Fixed src/lib.rs (4 fixes) [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/lib.rs:130:30 [INFO] [stdout] | [INFO] [stdout] 130 | 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: to override `--force-warn rust-2024-compatibility` add `#[allow(static_mut_refs)]` [INFO] [stdout] help: use `addr_of_mut!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 130 | 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:130:30 [INFO] [stdout] | [INFO] [stdout] 130 | 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: to override `--force-warn rust-2024-compatibility` add `#[allow(static_mut_refs)]` [INFO] [stdout] help: use `addr_of_mut!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 130 | 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 16.20s [INFO] [stderr] Running `cargo check` to verify 2024 [INFO] [stderr] Compiling defmt-rtt v0.4.0 (/tmp/fixit) [INFO] [stdout] error[E0796]: creating a mutable reference to a mutable static [INFO] [stdout] --> src/lib.rs:130:30 [INFO] [stdout] | [INFO] [stdout] 130 | 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] 130 | 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:130:30 [INFO] [stdout] | [INFO] [stdout] 130 | 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] 130 | 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] 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] 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" "5fb11e6e1c6a9ab5f75fe0e553da8c65d5273763fe91427fbd4f2acdb483e04d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5fb11e6e1c6a9ab5f75fe0e553da8c65d5273763fe91427fbd4f2acdb483e04d", kill_on_drop: false }` [INFO] [stdout] 5fb11e6e1c6a9ab5f75fe0e553da8c65d5273763fe91427fbd4f2acdb483e04d