[INFO] fetching crate defmt-rtt 0.4.0... [INFO] checking defmt-rtt-0.4.0 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-2 [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 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 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 16 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.57) [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] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded critical-section v1.1.2 [INFO] [stderr] Downloaded defmt v0.3.6 [INFO] [stderr] Downloaded defmt-parser v0.3.4 [INFO] [stderr] Downloaded defmt-macros v0.3.7 [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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0d951be351aab174dce2c8e954159a1af7446abfd629fef6d0f810738aec1721 [INFO] running `Command { std: "docker" "start" "-a" "0d951be351aab174dce2c8e954159a1af7446abfd629fef6d0f810738aec1721", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0d951be351aab174dce2c8e954159a1af7446abfd629fef6d0f810738aec1721", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d951be351aab174dce2c8e954159a1af7446abfd629fef6d0f810738aec1721", kill_on_drop: false }` [INFO] [stdout] 0d951be351aab174dce2c8e954159a1af7446abfd629fef6d0f810738aec1721 [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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] aa49062d623593192103ca43d33a6a6c8bd9ce4b2e0d788757225138a57b4042 [INFO] running `Command { std: "docker" "start" "-a" "aa49062d623593192103ca43d33a6a6c8bd9ce4b2e0d788757225138a57b4042", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling thiserror v1.0.58 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling defmt v0.3.6 [INFO] [stderr] Compiling defmt-macros v0.3.7 [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 quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.57 [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 11.60s [INFO] running `Command { std: "docker" "inspect" "aa49062d623593192103ca43d33a6a6c8bd9ce4b2e0d788757225138a57b4042", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa49062d623593192103ca43d33a6a6c8bd9ce4b2e0d788757225138a57b4042", kill_on_drop: false }` [INFO] [stdout] aa49062d623593192103ca43d33a6a6c8bd9ce4b2e0d788757225138a57b4042