[INFO] cloning repository https://github.com/ForsakenHarmony/serial-ws2812
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ForsakenHarmony/serial-ws2812" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FForsakenHarmony%2Fserial-ws2812", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FForsakenHarmony%2Fserial-ws2812'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 647c70a2e7fe253dea2f6aa0f16f7298e4db39e2
[INFO] checking ForsakenHarmony/serial-ws2812/647c70a2e7fe253dea2f6aa0f16f7298e4db39e2 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FForsakenHarmony%2Fserial-ws2812" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ForsakenHarmony/serial-ws2812 on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/ForsakenHarmony/serial-ws2812
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/ForsakenHarmony/serial-ws2812
[INFO] tweaked toml for git repo https://github.com/ForsakenHarmony/serial-ws2812 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ForsakenHarmony/serial-ws2812 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 590c7fb9a6226fcfef770f1db7930280089eb40f67cadc515c5d98a767b051fc
[INFO] running `Command { std: "docker" "start" "-a" "590c7fb9a6226fcfef770f1db7930280089eb40f67cadc515c5d98a767b051fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "590c7fb9a6226fcfef770f1db7930280089eb40f67cadc515c5d98a767b051fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "590c7fb9a6226fcfef770f1db7930280089eb40f67cadc515c5d98a767b051fc", kill_on_drop: false }`
[INFO] [stdout] 590c7fb9a6226fcfef770f1db7930280089eb40f67cadc515c5d98a767b051fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dtail_expr_drop_order" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8afa834fe2ae789b5a79b391411edc8437a0c51f88a57acd9f6ddb8759cbd549
[INFO] running `Command { std: "docker" "start" "-a" "8afa834fe2ae789b5a79b391411edc8437a0c51f88a57acd9f6ddb8759cbd549", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking pin-project-lite v0.2.10
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]     Checking regex-syntax v0.7.3
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]     Checking gimli v0.27.3
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking bitflags v2.0.2
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking serial-ws2812-shared v0.0.1 (/opt/rustwide/workdir/shared)
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking object v0.31.1
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling backtrace v0.3.68
[INFO] [stderr]    Compiling syn v2.0.27
[INFO] [stderr]     Checking regex-automata v0.3.2
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking libudev v0.3.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking addr2line v0.20.0
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking serialport v4.2.1
[INFO] [stderr]     Checking regex v1.9.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]     Checking serial-ws2812 v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/lib.rs:78:6
[INFO] [stdout]    |
[INFO] [stdout] 76 |           let port = builder.open()?;
[INFO] [stdout]    |               ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 77 |
[INFO] [stdout] 78 |           Ok(Self {
[INFO] [stdout]    |  ____________^
[INFO] [stdout] 79 | |             config,
[INFO] [stdout] 80 | |             port,
[INFO] [stdout] ...  |
[INFO] [stdout] 83 | |         })
[INFO] [stdout]    | |         ^ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    | |_________|
[INFO] [stdout]    |
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]    = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serial-ws2812` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8afa834fe2ae789b5a79b391411edc8437a0c51f88a57acd9f6ddb8759cbd549", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8afa834fe2ae789b5a79b391411edc8437a0c51f88a57acd9f6ddb8759cbd549", kill_on_drop: false }`
[INFO] [stdout] 8afa834fe2ae789b5a79b391411edc8437a0c51f88a57acd9f6ddb8759cbd549