[INFO] fetching crate defmt-ringbuf 0.2.0... [INFO] checking defmt-ringbuf-0.2.0 against master#fce0e74720d199eb7839fdb51af35ac5226da178 for pr-145262 [INFO] extracting crate defmt-ringbuf 0.2.0 into /workspace/builds/worker-6-tc1/source [INFO] started tweaking crates.io crate defmt-ringbuf 0.2.0 [INFO] finished tweaking crates.io crate defmt-ringbuf 0.2.0 [INFO] tweaked toml for crates.io crate defmt-ringbuf 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate defmt-ringbuf 0.2.0 on toolchain fce0e74720d199eb7839fdb51af35ac5226da178 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fce0e74720d199eb7839fdb51af35ac5226da178" "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" "+fce0e74720d199eb7839fdb51af35ac5226da178" "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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 26 packages to latest compatible versions [INFO] [stderr] Adding defmt v0.3.100 (available: v1.0.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fce0e74720d199eb7839fdb51af35ac5226da178" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+fce0e74720d199eb7839fdb51af35ac5226da178" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e867f75268ca09c2e148a5283b86cec8a6351d05024f66f32bedcb367036725b [INFO] running `Command { std: "docker" "start" "-a" "e867f75268ca09c2e148a5283b86cec8a6351d05024f66f32bedcb367036725b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e867f75268ca09c2e148a5283b86cec8a6351d05024f66f32bedcb367036725b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e867f75268ca09c2e148a5283b86cec8a6351d05024f66f32bedcb367036725b", kill_on_drop: false }` [INFO] [stdout] e867f75268ca09c2e148a5283b86cec8a6351d05024f66f32bedcb367036725b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+fce0e74720d199eb7839fdb51af35ac5226da178" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ed42df7f34091b5361ff1fdf9d3396396177d4f787e8f3a75b480e4eb9be509b [INFO] running `Command { std: "docker" "start" "-a" "ed42df7f34091b5361ff1fdf9d3396396177d4f787e8f3a75b480e4eb9be509b", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.97 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling thiserror v2.0.14 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling defmt-macros v1.0.1 [INFO] [stderr] Compiling defmt v1.0.1 [INFO] [stderr] Checking nb v1.1.0 [INFO] [stderr] Checking vcell v0.1.3 [INFO] [stderr] Compiling cortex-m v0.7.7 [INFO] [stderr] Checking nb v0.1.3 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking volatile-register v0.2.2 [INFO] [stderr] Checking bitfield v0.13.2 [INFO] [stderr] Checking embedded-hal v0.2.7 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking critical-section v1.2.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling bare-metal v0.2.5 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.105 [INFO] [stderr] Compiling proc-macro-error-attr2 v2.0.0 [INFO] [stderr] Compiling proc-macro-error2 v2.0.1 [INFO] [stderr] Compiling thiserror-impl v2.0.14 [INFO] [stderr] Compiling defmt-parser v1.0.0 [INFO] [stderr] Checking defmt v0.3.100 [INFO] [stderr] Checking defmt-ringbuf v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> src/lib.rs:78:18 [INFO] [stdout] | [INFO] [stdout] 78 | unsafe { ENCODER.start_frame(do_write) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> src/lib.rs:86:9 [INFO] [stdout] | [INFO] [stdout] 86 | ENCODER.end_frame(do_write); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> src/lib.rs:94:9 [INFO] [stdout] | [INFO] [stdout] 94 | ENCODER.write(bytes, do_write); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> src/lib.rs:100:31 [INFO] [stdout] | [INFO] [stdout] 100 | if let Some(buffer) = RING_BUFFER.as_mut() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/lib.rs:119:20 [INFO] [stdout] | [INFO] [stdout] 119 | defmt::assert!(RING_BUFFER.is_none()); [INFO] [stdout] | ^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> src/lib.rs:132:35 [INFO] [stdout] | [INFO] [stdout] 132 | if let Some(buffer) = RING_BUFFER.as_mut() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> src/lib.rs:78:18 [INFO] [stdout] | [INFO] [stdout] 78 | unsafe { ENCODER.start_frame(do_write) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> src/lib.rs:86:9 [INFO] [stdout] | [INFO] [stdout] 86 | ENCODER.end_frame(do_write); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> src/lib.rs:94:9 [INFO] [stdout] | [INFO] [stdout] 94 | ENCODER.write(bytes, do_write); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> src/lib.rs:100:31 [INFO] [stdout] | [INFO] [stdout] 100 | if let Some(buffer) = RING_BUFFER.as_mut() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/lib.rs:119:20 [INFO] [stdout] | [INFO] [stdout] 119 | defmt::assert!(RING_BUFFER.is_none()); [INFO] [stdout] | ^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> src/lib.rs:132:35 [INFO] [stdout] | [INFO] [stdout] 132 | if let Some(buffer) = RING_BUFFER.as_mut() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.82s [INFO] running `Command { std: "docker" "inspect" "ed42df7f34091b5361ff1fdf9d3396396177d4f787e8f3a75b480e4eb9be509b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed42df7f34091b5361ff1fdf9d3396396177d4f787e8f3a75b480e4eb9be509b", kill_on_drop: false }` [INFO] [stdout] ed42df7f34091b5361ff1fdf9d3396396177d4f787e8f3a75b480e4eb9be509b