[INFO] fetching crate defmt-rtt 0.4.1...
[INFO] checking defmt-rtt-0.4.1 against master#91c0823ee63e793d990bb9fed898dc95b5d6db51 for pr-125384-2
[INFO] extracting crate defmt-rtt 0.4.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate defmt-rtt 0.4.1 on toolchain 91c0823ee63e793d990bb9fed898dc95b5d6db51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+91c0823ee63e793d990bb9fed898dc95b5d6db51" "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-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+91c0823ee63e793d990bb9fed898dc95b5d6db51" "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]      Locking 16 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.66)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+91c0823ee63e793d990bb9fed898dc95b5d6db51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded defmt-parser v0.3.4
[INFO] [stderr]   Downloaded defmt v0.3.8
[INFO] [stderr]   Downloaded defmt-macros v0.3.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+91c0823ee63e793d990bb9fed898dc95b5d6db51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fab4816337d4639a22d060cefec75a9e4caee740bc7a0db75fad392d91eb505f
[INFO] running `Command { std: "docker" "start" "-a" "fab4816337d4639a22d060cefec75a9e4caee740bc7a0db75fad392d91eb505f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fab4816337d4639a22d060cefec75a9e4caee740bc7a0db75fad392d91eb505f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fab4816337d4639a22d060cefec75a9e4caee740bc7a0db75fad392d91eb505f", kill_on_drop: false }`
[INFO] [stdout] fab4816337d4639a22d060cefec75a9e4caee740bc7a0db75fad392d91eb505f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+91c0823ee63e793d990bb9fed898dc95b5d6db51" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe7656bb17885d916b441ef143844bb6feea2f5791edb90a6a7fd89d0787ae60
[INFO] running `Command { std: "docker" "start" "-a" "fe7656bb17885d916b441ef143844bb6feea2f5791edb90a6a7fd89d0787ae60", 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-rtt v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking critical-section v1.1.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling thiserror v1.0.61
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]    Compiling defmt-parser v0.3.4
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.33s
[INFO] running `Command { std: "docker" "inspect" "fe7656bb17885d916b441ef143844bb6feea2f5791edb90a6a7fd89d0787ae60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe7656bb17885d916b441ef143844bb6feea2f5791edb90a6a7fd89d0787ae60", kill_on_drop: false }`
[INFO] [stdout] fe7656bb17885d916b441ef143844bb6feea2f5791edb90a6a7fd89d0787ae60
[INFO] checking defmt-rtt-0.4.1 against try#519d6e23a6cb73c4d0f295f71ad37db8e95c54ab for pr-125384-2
[INFO] extracting crate defmt-rtt 0.4.1 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate defmt-rtt 0.4.1 on toolchain 519d6e23a6cb73c4d0f295f71ad37db8e95c54ab
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+519d6e23a6cb73c4d0f295f71ad37db8e95c54ab" "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-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+519d6e23a6cb73c4d0f295f71ad37db8e95c54ab" "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 (latest: v2.5.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.66)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+519d6e23a6cb73c4d0f295f71ad37db8e95c54ab" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+519d6e23a6cb73c4d0f295f71ad37db8e95c54ab" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2f960210bb84bb617ed906e195eef5984769ce17166e9e95475af6af2f8e45f
[INFO] running `Command { std: "docker" "start" "-a" "c2f960210bb84bb617ed906e195eef5984769ce17166e9e95475af6af2f8e45f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2f960210bb84bb617ed906e195eef5984769ce17166e9e95475af6af2f8e45f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2f960210bb84bb617ed906e195eef5984769ce17166e9e95475af6af2f8e45f", kill_on_drop: false }`
[INFO] [stdout] c2f960210bb84bb617ed906e195eef5984769ce17166e9e95475af6af2f8e45f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+519d6e23a6cb73c4d0f295f71ad37db8e95c54ab" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0804e8f0cc95fa24852e9c012f52fe1dc664404bc25175ec12dc3880a53409b9
[INFO] running `Command { std: "docker" "start" "-a" "0804e8f0cc95fa24852e9c012f52fe1dc664404bc25175ec12dc3880a53409b9", 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 v1.1.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling thiserror v1.0.61
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Migrating build.rs from 2021 edition to 2024
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[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: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 <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: `--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] 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 <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: `--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] 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 10.69s
[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: 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) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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] [stderr] error: could not compile `defmt-rtt` (lib test) 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" "0804e8f0cc95fa24852e9c012f52fe1dc664404bc25175ec12dc3880a53409b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0804e8f0cc95fa24852e9c012f52fe1dc664404bc25175ec12dc3880a53409b9", kill_on_drop: false }`
[INFO] [stdout] 0804e8f0cc95fa24852e9c012f52fe1dc664404bc25175ec12dc3880a53409b9