[INFO] fetching crate sweet 0.2.0-rc.4...
[INFO] checking sweet-0.2.0-rc.4 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate sweet 0.2.0-rc.4 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate sweet 0.2.0-rc.4 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 sweet 0.2.0-rc.4
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate sweet 0.2.0-rc.4
[INFO] tweaked toml for crates.io crate sweet 0.2.0-rc.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate sweet 0.2.0-rc.4 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 09471e5250007a1a3376af13fe82dc14fce9d355bac0c02c543ebb2eee0f97a8
[INFO] running `Command { std: "docker" "start" "-a" "09471e5250007a1a3376af13fe82dc14fce9d355bac0c02c543ebb2eee0f97a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09471e5250007a1a3376af13fe82dc14fce9d355bac0c02c543ebb2eee0f97a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09471e5250007a1a3376af13fe82dc14fce9d355bac0c02c543ebb2eee0f97a8", kill_on_drop: false }`
[INFO] [stdout] 09471e5250007a1a3376af13fe82dc14fce9d355bac0c02c543ebb2eee0f97a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 0e61ca206dda7338c7c1c2415ee972abece057fb24619a59e8504c29f0a56348
[INFO] running `Command { std: "docker" "start" "-a" "0e61ca206dda7338c7c1c2415ee972abece057fb24619a59e8504c29f0a56348", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling cc v1.1.6
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]     Checking anstyle-parse v0.2.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking anstyle-query v1.1.0
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]     Checking colorchoice v1.0.1
[INFO] [stderr]     Checking anstyle v1.0.7
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.0
[INFO] [stderr]     Checking bytes v1.6.1
[INFO] [stderr]     Checking anstream v0.6.14
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking rustix v0.38.34
[INFO] [stderr]     Checking fastrand v2.1.0
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking inotify v0.9.6
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking signal-hook v0.3.17
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]    Compiling openssl-sys v0.9.103
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking filetime v0.2.23
[INFO] [stderr]    Compiling serde_json v1.0.120
[INFO] [stderr]     Checking clap_lex v0.7.1
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[INFO] [stderr]     Checking signal-hook-mio v0.2.3
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[INFO] [stderr]     Checking clap_builder v4.5.9
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[INFO] [stderr]    Compiling cookie v0.16.2
[INFO] [stderr]    Compiling openssl v0.10.66
[INFO] [stderr]    Compiling native-tls v0.2.12
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]     Checking file-id v0.1.0
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]     Checking notify-debouncer-full v0.2.0
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]     Checking crossterm v0.25.0
[INFO] [stderr]     Checking regex v1.10.5
[INFO] [stderr]    Compiling backtrace v0.3.73
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]     Checking gimli v0.29.0
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking miniz_oxide v0.7.4
[INFO] [stderr]     Checking url v2.5.2
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking object v0.36.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking inventory v0.3.15
[INFO] [stderr]     Checking flume v0.11.0
[INFO] [stderr]     Checking colorize v0.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling clap_derive v4.5.8
[INFO] [stderr]    Compiling extend v1.2.0
[INFO] [stderr]     Checking tokio v1.38.1
[INFO] [stderr]     Checking forky_core v0.2.0-rc.6
[INFO] [stderr]     Checking addr2line v0.22.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling sweet_macros v0.2.0-rc.4
[INFO] [stderr]     Checking filedescriptor v0.8.2
[INFO] [stderr]     Checking gag v1.0.0
[INFO] [stderr]     Checking clap v4.5.9
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking hyper v0.14.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking forky_fs v0.2.0-rc.6
[INFO] [stderr]     Checking forky v0.2.0-rc.6
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking webdriver v0.46.0
[INFO] [stderr]     Checking sweet v0.2.0-rc.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: this value of type `std::option::Option<T>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/matchers/matcher_mock_value.rs:19:28
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn to_contain(&self, expected: T) -> Result<()> {
[INFO] [stdout]    |                              -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 19 |         if let Some(received) = &self.value.pop() {
[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 `sweet` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0e61ca206dda7338c7c1c2415ee972abece057fb24619a59e8504c29f0a56348", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e61ca206dda7338c7c1c2415ee972abece057fb24619a59e8504c29f0a56348", kill_on_drop: false }`
[INFO] [stdout] 0e61ca206dda7338c7c1c2415ee972abece057fb24619a59e8504c29f0a56348