[INFO] fetching crate midas_rs 0.2.1...
[INFO] checking midas_rs-0.2.1 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate midas_rs 0.2.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate midas_rs 0.2.1 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 midas_rs 0.2.1
[INFO] finished tweaking crates.io crate midas_rs 0.2.1
[INFO] tweaked toml for crates.io crate midas_rs 0.2.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.7.3 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.2.2 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.5.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.2.0 (latest: v0.3.2)
[INFO] [stderr]       Adding rand_pcg v0.2.1 (latest: v0.3.1)
[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] warning: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition
[INFO] [stderr] (in the `rand` dependency)
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 8626cdee20075dbf9d41cee96d187d50498031638cffaf1d82d89cd8fe978883
[INFO] running `Command { std: "docker" "start" "-a" "8626cdee20075dbf9d41cee96d187d50498031638cffaf1d82d89cd8fe978883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8626cdee20075dbf9d41cee96d187d50498031638cffaf1d82d89cd8fe978883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8626cdee20075dbf9d41cee96d187d50498031638cffaf1d82d89cd8fe978883", kill_on_drop: false }`
[INFO] [stdout] 8626cdee20075dbf9d41cee96d187d50498031638cffaf1d82d89cd8fe978883
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 007a385ec5463ed6fe24c65da35ed5d8d40c72fd9c9183e2085d7f5f1eb0ad4d
[INFO] running `Command { std: "docker" "start" "-a" "007a385ec5463ed6fe24c65da35ed5d8d40c72fd9c9183e2085d7f5f1eb0ad4d", kill_on_drop: false }`
[INFO] [stderr] warning: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition
[INFO] [stderr] (in the `rand` dependency)
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking midas_rs v0.2.1 (/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:462:18
[INFO] [stdout]     |
[INFO] [stdout] 461 |     fn midas(self, params: MidasParams) -> Box<dyn 'a + Iterator<Item = Float>> {
[INFO] [stdout]     |              ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 462 |         Box::new(Midas::iterate(self, params))
[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/lib.rs:499:18
[INFO] [stdout]     |
[INFO] [stdout] 498 |     fn midas_r(self, params: MidasRParams) -> Box<dyn 'a + Iterator<Item = Float>> {
[INFO] [stdout]     |                ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 499 |         Box::new(MidasR::iterate(self, params))
[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 `midas_rs` (lib) 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/lib.rs:462:18
[INFO] [stdout]     |
[INFO] [stdout] 461 |     fn midas(self, params: MidasParams) -> Box<dyn 'a + Iterator<Item = Float>> {
[INFO] [stdout]     |              ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 462 |         Box::new(Midas::iterate(self, params))
[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/lib.rs:499:18
[INFO] [stdout]     |
[INFO] [stdout] 498 |     fn midas_r(self, params: MidasRParams) -> Box<dyn 'a + Iterator<Item = Float>> {
[INFO] [stdout]     |                ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 499 |         Box::new(MidasR::iterate(self, params))
[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 `midas_rs` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "007a385ec5463ed6fe24c65da35ed5d8d40c72fd9c9183e2085d7f5f1eb0ad4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "007a385ec5463ed6fe24c65da35ed5d8d40c72fd9c9183e2085d7f5f1eb0ad4d", kill_on_drop: false }`
[INFO] [stdout] 007a385ec5463ed6fe24c65da35ed5d8d40c72fd9c9183e2085d7f5f1eb0ad4d