[INFO] cloning repository https://github.com/benoitpas/rust-tree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/benoitpas/rust-tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenoitpas%2Frust-tree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenoitpas%2Frust-tree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f82c74b4fcbdff52f3f4ae4625a658c2975dae8a
[INFO] checking benoitpas/rust-tree against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenoitpas%2Frust-tree" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/benoitpas/rust-tree on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/benoitpas/rust-tree
[INFO] finished tweaking git repo https://github.com/benoitpas/rust-tree
[INFO] tweaked toml for git repo https://github.com/benoitpas/rust-tree written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/benoitpas/rust-tree 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb1db944e2a741e896aa5a3462a2324d8b709fd240056b116015b10f45b22a7b
[INFO] running `Command { std: "docker" "start" "-a" "cb1db944e2a741e896aa5a3462a2324d8b709fd240056b116015b10f45b22a7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb1db944e2a741e896aa5a3462a2324d8b709fd240056b116015b10f45b22a7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb1db944e2a741e896aa5a3462a2324d8b709fd240056b116015b10f45b22a7b", kill_on_drop: false }`
[INFO] [stdout] cb1db944e2a741e896aa5a3462a2324d8b709fd240056b116015b10f45b22a7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4140b96e5adb977263e584126c0f8c5ae49bff6969b415e4b5975eb74d23055f
[INFO] running `Command { std: "docker" "start" "-a" "4140b96e5adb977263e584126c0f8c5ae49bff6969b415e4b5975eb74d23055f", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "4140b96e5adb977263e584126c0f8c5ae49bff6969b415e4b5975eb74d23055f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4140b96e5adb977263e584126c0f8c5ae49bff6969b415e4b5975eb74d23055f", kill_on_drop: false }`
[INFO] [stdout] 4140b96e5adb977263e584126c0f8c5ae49bff6969b415e4b5975eb74d23055f
[INFO] checking benoitpas/rust-tree against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenoitpas%2Frust-tree" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/benoitpas/rust-tree on toolchain f9935d29d867449445ee008640ccca1bf1ae0889
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/benoitpas/rust-tree
[INFO] finished tweaking git repo https://github.com/benoitpas/rust-tree
[INFO] tweaked toml for git repo https://github.com/benoitpas/rust-tree written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/benoitpas/rust-tree 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 120b5fe193a07053ebc890ef2c740c3cd24d869655729dbb2d301d3dddebc60b
[INFO] running `Command { std: "docker" "start" "-a" "120b5fe193a07053ebc890ef2c740c3cd24d869655729dbb2d301d3dddebc60b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "120b5fe193a07053ebc890ef2c740c3cd24d869655729dbb2d301d3dddebc60b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "120b5fe193a07053ebc890ef2c740c3cd24d869655729dbb2d301d3dddebc60b", kill_on_drop: false }`
[INFO] [stdout] 120b5fe193a07053ebc890ef2c740c3cd24d869655729dbb2d301d3dddebc60b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b0297f741f236739d1ac2ff32429143a7d5f4e9f05c202df26f277dbd576fe3
[INFO] running `Command { std: "docker" "start" "-a" "1b0297f741f236739d1ac2ff32429143a7d5f4e9f05c202df26f277dbd576fe3", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_tree v0.1.0 (/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/lib.rs:56:17
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn create_node<T>(v:T) -> Rc<Node<T>> { // Type inference is more at the scala level than Haskell/Caml
[INFO] [stdout]    |                       --- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 55 |         let leaf = Rc::new(Node::Leaf);
[INFO] [stdout]    |             ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 56 |         Rc::new(Node::Branch(Rc::new(v),Rc::clone(&leaf),Rc::clone(&leaf))) //explicit reference passing + clone
[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: 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:56:17
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn create_node<T>(v:T) -> Rc<Node<T>> { // Type inference is more at the scala level than Haskell/Caml
[INFO] [stdout]    |                       --- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 55 |         let leaf = Rc::new(Node::Leaf);
[INFO] [stdout]    |             ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 56 |         Rc::new(Node::Branch(Rc::new(v),Rc::clone(&leaf),Rc::clone(&leaf))) //explicit reference passing + clone
[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:77:21
[INFO] [stdout]    |
[INFO] [stdout] 75 |         fn create_node<T>(v:T, i:isize) -> Rc<Node<(Rc<T>,isize)>> { // Type inference is more at the scala level than Haskell/Caml
[INFO] [stdout]    |                           --- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 76 |             let leaf = Rc::new(Node::Leaf);
[INFO] [stdout]    |                 ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 77 |             Rc::new(Node::Branch(Rc::new((Rc::new(v),i)),Rc::clone(&leaf),Rc::clone(&leaf))) //explicit reference passing + clone
[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] [stderr] error: could not compile `rust_tree` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_tree` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "1b0297f741f236739d1ac2ff32429143a7d5f4e9f05c202df26f277dbd576fe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b0297f741f236739d1ac2ff32429143a7d5f4e9f05c202df26f277dbd576fe3", kill_on_drop: false }`
[INFO] [stdout] 1b0297f741f236739d1ac2ff32429143a7d5f4e9f05c202df26f277dbd576fe3