[INFO] fetching crate defmt-brtt 0.1.1...
[INFO] checking defmt-brtt-0.1.1 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] extracting crate defmt-brtt 0.1.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate defmt-brtt 0.1.1 on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate defmt-brtt 0.1.1
[INFO] finished tweaking crates.io crate defmt-brtt 0.1.1
[INFO] tweaked toml for crates.io crate defmt-brtt 0.1.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 16 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded defmt-macros v0.3.9
[INFO] [stderr]   Downloaded defmt v0.3.8
[INFO] [stderr]   Downloaded defmt-parser v0.3.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1db62b12d5910cf49a68d9b1881e5840eaca8caf32270f33f9e7a3aad61f477f
[INFO] running `Command { std: "docker" "start" "-a" "1db62b12d5910cf49a68d9b1881e5840eaca8caf32270f33f9e7a3aad61f477f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1db62b12d5910cf49a68d9b1881e5840eaca8caf32270f33f9e7a3aad61f477f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1db62b12d5910cf49a68d9b1881e5840eaca8caf32270f33f9e7a3aad61f477f", kill_on_drop: false }`
[INFO] [stdout] 1db62b12d5910cf49a68d9b1881e5840eaca8caf32270f33f9e7a3aad61f477f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5b99dc6660febe998b9a73d8e5109ed4a3d313b68f0cb187913be839d0fb75d
[INFO] running `Command { std: "docker" "start" "-a" "a5b99dc6660febe998b9a73d8e5109ed4a3d313b68f0cb187913be839d0fb75d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling defmt-macros v0.3.9
[INFO] [stderr]    Compiling defmt v0.3.8
[INFO] [stderr]    Compiling defmt-brtt v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking critical-section v1.1.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror v1.0.64
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]    Compiling defmt-parser v0.3.4
[INFO] [stderr]     Checking bbqueue v0.5.1
[INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged
[INFO] [stdout]   --> src/rtt.rs:38:30
[INFO] [stdout]    |
[INFO] [stdout] 38 |             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 <https://github.com/rust-lang/rust/issues/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] 38 |             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/rtt.rs:38:30
[INFO] [stdout]    |
[INFO] [stdout] 38 |             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 <https://github.com/rust-lang/rust/issues/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] 38 |             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 4.23s
[INFO] running `Command { std: "docker" "inspect" "a5b99dc6660febe998b9a73d8e5109ed4a3d313b68f0cb187913be839d0fb75d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5b99dc6660febe998b9a73d8e5109ed4a3d313b68f0cb187913be839d0fb75d", kill_on_drop: false }`
[INFO] [stdout] a5b99dc6660febe998b9a73d8e5109ed4a3d313b68f0cb187913be839d0fb75d