[INFO] fetching crate libffm 0.2.0...
[INFO] checking libffm-0.2.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate libffm 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate libffm 0.2.0 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 libffm 0.2.0
[INFO] finished tweaking crates.io crate libffm 0.2.0
[INFO] tweaked toml for crates.io crate libffm 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate libffm 0.2.0 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] [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0aacc6cddb154472003129fde8769385b8dd036dc0702b1f0a25492d50ec9552
[INFO] running `Command { std: "docker" "start" "-a" "0aacc6cddb154472003129fde8769385b8dd036dc0702b1f0a25492d50ec9552", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0aacc6cddb154472003129fde8769385b8dd036dc0702b1f0a25492d50ec9552", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0aacc6cddb154472003129fde8769385b8dd036dc0702b1f0a25492d50ec9552", kill_on_drop: false }`
[INFO] [stdout] 0aacc6cddb154472003129fde8769385b8dd036dc0702b1f0a25492d50ec9552
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa839156a5c4d9733426f190087d88d7a29577bd25239563cb5dabad817e5fee
[INFO] running `Command { std: "docker" "start" "-a" "aa839156a5c4d9733426f190087d88d7a29577bd25239563cb5dabad817e5fee", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking libffm v0.2.0 (/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/disk.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |       pub fn new(mut f: W) -> Result<Self, Error> {
[INFO] [stdout]    |                  -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 42 |           Ok(Self {
[INFO] [stdout]    |  ____________^
[INFO] [stdout] 43 | |             meta,
[INFO] [stdout] 44 | |             y: Vec::new(),
[INFO] [stdout] 45 | |             r: Vec::new(),
[INFO] [stdout] ...  |
[INFO] [stdout] 49 | |             f,
[INFO] [stdout] 50 | |         })
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/disk.rs:115:12
[INFO] [stdout]     |
[INFO] [stdout] 114 |       pub fn new<P: AsRef<Path>>(path: P, quiet: bool) -> Result<Self, Error> {
[INFO] [stdout]     |                                  ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 115 |           Ok(ProblemLoader {
[INFO] [stdout]     |  ____________^
[INFO] [stdout] 116 | |             path: path.as_ref().to_path_buf(),
[INFO] [stdout] 117 | |             f_txt: File::open(path)?,
[INFO] [stdout] 118 | |             quiet,
[INFO] [stdout] 119 | |         })
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libffm` (lib test) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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/disk.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |       pub fn new(mut f: W) -> Result<Self, Error> {
[INFO] [stdout]    |                  -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 42 |           Ok(Self {
[INFO] [stdout]    |  ____________^
[INFO] [stdout] 43 | |             meta,
[INFO] [stdout] 44 | |             y: Vec::new(),
[INFO] [stdout] 45 | |             r: Vec::new(),
[INFO] [stdout] ...  |
[INFO] [stdout] 49 | |             f,
[INFO] [stdout] 50 | |         })
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/disk.rs:115:12
[INFO] [stdout]     |
[INFO] [stdout] 114 |       pub fn new<P: AsRef<Path>>(path: P, quiet: bool) -> Result<Self, Error> {
[INFO] [stdout]     |                                  ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 115 |           Ok(ProblemLoader {
[INFO] [stdout]     |  ____________^
[INFO] [stdout] 116 | |             path: path.as_ref().to_path_buf(),
[INFO] [stdout] 117 | |             f_txt: File::open(path)?,
[INFO] [stdout] 118 | |             quiet,
[INFO] [stdout] 119 | |         })
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libffm` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "aa839156a5c4d9733426f190087d88d7a29577bd25239563cb5dabad817e5fee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa839156a5c4d9733426f190087d88d7a29577bd25239563cb5dabad817e5fee", kill_on_drop: false }`
[INFO] [stdout] aa839156a5c4d9733426f190087d88d7a29577bd25239563cb5dabad817e5fee