[INFO] fetching crate kafcat 0.1.3...
[INFO] checking kafcat-0.1.3 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate kafcat 0.1.3 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate kafcat 0.1.3 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] started tweaking crates.io crate kafcat 0.1.3
[INFO] finished tweaking crates.io crate kafcat 0.1.3
[INFO] tweaked toml for crates.io crate kafcat 0.1.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate kafcat 0.1.3 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 8fa5437e5b9ecee7bb5d42439238ab183db11de5ecc1b51d0ef77d9855c6c4ee
[INFO] running `Command { std: "docker" "start" "-a" "8fa5437e5b9ecee7bb5d42439238ab183db11de5ecc1b51d0ef77d9855c6c4ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fa5437e5b9ecee7bb5d42439238ab183db11de5ecc1b51d0ef77d9855c6c4ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fa5437e5b9ecee7bb5d42439238ab183db11de5ecc1b51d0ef77d9855c6c4ee", kill_on_drop: false }`
[INFO] [stdout] 8fa5437e5b9ecee7bb5d42439238ab183db11de5ecc1b51d0ef77d9855c6c4ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 30864fdebf22786282a625016230e48170c5d3c763f5ac5a4b17e8a5144aae73
[INFO] running `Command { std: "docker" "start" "-a" "30864fdebf22786282a625016230e48170c5d3c763f5ac5a4b17e8a5144aae73", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling hashbrown v0.14.2
[INFO] [stderr]    Compiling toml_datetime v0.6.3
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling winnow v0.5.17
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling serde v1.0.189
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling rustix v0.38.20
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking smallvec v1.11.1
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]    Compiling rdkafka-sys v4.6.0+2.2.0
[INFO] [stderr]    Compiling openssl v0.10.57
[INFO] [stderr]    Compiling snap v1.1.0
[INFO] [stderr]    Compiling indexmap v2.0.2
[INFO] [stderr]     Checking linux-raw-sys v0.4.10
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking termcolor v1.3.0
[INFO] [stderr]     Checking crc-catalog v2.2.0
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking getrandom v0.2.10
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[INFO] [stderr]     Checking parking_lot_core v0.9.9
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[INFO] [stderr]     Checking socket2 v0.5.5
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[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling async-trait v0.1.74
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]    Compiling kafka v0.10.0
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking crc v3.0.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking instant v0.1.12
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[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking ref_slice v1.2.1
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[INFO] [stderr]     Checking itertools v0.11.0
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[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]    Compiling openssl-src v300.1.5+3.1.3
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]    Compiling openssl-sys v0.9.93
[INFO] [stderr]    Compiling libz-sys v1.1.12
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]     Checking backoff v0.4.0
[INFO] [stderr]     Checking predicates v3.0.4
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling num_enum_derive v0.5.11
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking bstr v1.7.0
[INFO] [stderr]     Checking num_enum v0.5.11
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.189
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]     Checking assert_cmd v2.0.12
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]     Checking tokio v1.33.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking strum v0.25.0
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking serde_yaml v0.9.25
[INFO] [stderr]     Checking rdkafka v0.34.0
[INFO] [stderr]     Checking kafcat v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `UnitCoder` is never constructed
[INFO] [stdout]   --> src/coder.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct UnitCoder;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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/configs.rs:567:12
[INFO] [stdout]     |
[INFO] [stdout] 567 |         Ok(serde_yaml::from_str(&file)
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[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] warning: struct `UnitCoder` is never constructed
[INFO] [stdout]   --> src/coder.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct UnitCoder;
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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/configs.rs:567:12
[INFO] [stdout]     |
[INFO] [stdout] 567 |         Ok(serde_yaml::from_str(&file)
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[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; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kafcat` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `kafcat` (lib) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "30864fdebf22786282a625016230e48170c5d3c763f5ac5a4b17e8a5144aae73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30864fdebf22786282a625016230e48170c5d3c763f5ac5a4b17e8a5144aae73", kill_on_drop: false }`
[INFO] [stdout] 30864fdebf22786282a625016230e48170c5d3c763f5ac5a4b17e8a5144aae73