[INFO] fetching crate csf 0.1.14...
[INFO] checking csf-0.1.14 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate csf 0.1.14 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate csf 0.1.14 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 csf 0.1.14
[INFO] finished tweaking crates.io crate csf 0.1.14
[INFO] tweaked toml for crates.io crate csf 0.1.14 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages to latest compatible versions
[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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 6c32d839912ef8085489c0d4baf0b87a6e5219e84fe7be039c18524f361f5cda
[INFO] running `Command { std: "docker" "start" "-a" "6c32d839912ef8085489c0d4baf0b87a6e5219e84fe7be039c18524f361f5cda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c32d839912ef8085489c0d4baf0b87a6e5219e84fe7be039c18524f361f5cda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c32d839912ef8085489c0d4baf0b87a6e5219e84fe7be039c18524f361f5cda", kill_on_drop: false }`
[INFO] [stdout] 6c32d839912ef8085489c0d4baf0b87a6e5219e84fe7be039c18524f361f5cda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] bd370e5f2e76596f0f97a1fe6247f0ac1da68e27471902d099feb45d6cd93bbd
[INFO] running `Command { std: "docker" "start" "-a" "bd370e5f2e76596f0f97a1fe6247f0ac1da68e27471902d099feb45d6cd93bbd", kill_on_drop: false }`
[INFO] [stderr]     Checking dyn_size_of v0.4.2
[INFO] [stderr]     Checking binout v0.2.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking co_sort v0.2.0
[INFO] [stderr]     Checking fsum v0.1.2
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking bitm v0.4.2
[INFO] [stderr]     Checking wyhash v0.5.0
[INFO] [stderr]     Checking ph v0.8.3
[INFO] [stderr]     Checking minimum_redundancy v0.3.1
[INFO] [stderr]     Checking csf v0.1.14 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this method call resolves to `<&Box<[T]> as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<Box<[T]> as IntoIterator>::into_iter` in Rust 2024
[INFO] [stdout]    --> src/fp/collision_solver.rs:220:41
[INFO] [stdout]     |
[INFO] [stdout] 220 |         for (index, cell) in self.cells.into_iter().enumerate() {
[INFO] [stdout]     |                                         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: `#[warn(boxed_slice_into_iter)]` on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 220 |         for (index, cell) in self.cells.iter().enumerate() {
[INFO] [stdout]     |                                         ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 220 |         for (index, cell) in IntoIterator::into_iter(self.cells).enumerate() {
[INFO] [stdout]     |                              ++++++++++++++++++++++++          ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&Box<[T]> as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<Box<[T]> as IntoIterator>::into_iter` in Rust 2024
[INFO] [stdout]    --> src/fp/collision_solver.rs:220:41
[INFO] [stdout]     |
[INFO] [stdout] 220 |         for (index, cell) in self.cells.into_iter().enumerate() {
[INFO] [stdout]     |                                         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: `#[warn(boxed_slice_into_iter)]` on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 220 |         for (index, cell) in self.cells.iter().enumerate() {
[INFO] [stdout]     |                                         ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 220 |         for (index, cell) in IntoIterator::into_iter(self.cells).enumerate() {
[INFO] [stdout]     |                              ++++++++++++++++++++++++          ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `Command { std: "docker" "inspect" "bd370e5f2e76596f0f97a1fe6247f0ac1da68e27471902d099feb45d6cd93bbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd370e5f2e76596f0f97a1fe6247f0ac1da68e27471902d099feb45d6cd93bbd", kill_on_drop: false }`
[INFO] [stdout] bd370e5f2e76596f0f97a1fe6247f0ac1da68e27471902d099feb45d6cd93bbd