[INFO] fetching crate ipmb 0.8.0-20240814...
[INFO] checking ipmb-0.8.0-20240814 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate ipmb 0.8.0-20240814 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate ipmb 0.8.0-20240814 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ipmb 0.8.0-20240814
[INFO] finished tweaking crates.io crate ipmb 0.8.0-20240814
[INFO] tweaked toml for crates.io crate ipmb 0.8.0-20240814 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate ipmb 0.8.0-20240814 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92045c80add7c235678a02a5788e374e7d8fe1c3a4c5d7000f955121d061515b
[INFO] running `Command { std: "docker" "start" "-a" "92045c80add7c235678a02a5788e374e7d8fe1c3a4c5d7000f955121d061515b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92045c80add7c235678a02a5788e374e7d8fe1c3a4c5d7000f955121d061515b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92045c80add7c235678a02a5788e374e7d8fe1c3a4c5d7000f955121d061515b", kill_on_drop: false }`
[INFO] [stdout] 92045c80add7c235678a02a5788e374e7d8fe1c3a4c5d7000f955121d061515b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de3e332db83d67d0afea077b96873465ed80c69b7128edeab127fe160a66ddab
[INFO] running `Command { std: "docker" "start" "-a" "de3e332db83d67d0afea077b96873465ed80c69b7128edeab127fe160a66ddab", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling serde_derive v1.0.139
[INFO] [stderr]    Compiling serde v1.0.139
[INFO] [stderr]    Compiling io-lifetimes v1.0.6
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling rustix v0.36.9
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling virtue v0.0.13
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking bytesize v1.1.0
[INFO] [stderr]     Checking num-format v0.4.0
[INFO] [stderr]    Compiling bincode_derive v2.0.0-rc.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling uuid-macro-internal v1.1.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling type-uuid-derive v0.1.2
[INFO] [stderr]    Compiling ipmb-derive v0.5.1
[INFO] [stderr]     Checking is-terminal v0.4.4
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking uuid v1.1.2
[INFO] [stderr]     Checking type-uuid v0.1.2
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking serde_bytes v0.11.7
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking smol_str v0.1.23
[INFO] [stderr]     Checking bincode v2.0.0-rc.3
[INFO] [stderr]     Checking ipmb v0.8.0-20240814 (/opt/rustwide/workdir)
[INFO] [stdout] error: this value of type `RwLockReadGuard<'_, Rule>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/lib.rs:130:17
[INFO] [stdout]     |
[INFO] [stdout] 127 |         let mut msg = msg.into_encoded();
[INFO] [stdout]     |             ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 130 |             let rule = self.rule.read().unwrap();
[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: this value of type `RwLockReadGuard<'_, Rule>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/lib.rs:130:17
[INFO] [stdout]     |
[INFO] [stdout] 127 |         let mut msg = msg.into_encoded();
[INFO] [stdout]     |             ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 130 |             let rule = self.rule.read().unwrap();
[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] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ipmb` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `ipmb` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "de3e332db83d67d0afea077b96873465ed80c69b7128edeab127fe160a66ddab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de3e332db83d67d0afea077b96873465ed80c69b7128edeab127fe160a66ddab", kill_on_drop: false }`
[INFO] [stdout] de3e332db83d67d0afea077b96873465ed80c69b7128edeab127fe160a66ddab