[INFO] cloning repository https://github.com/seasox/cs3250-ex8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/seasox/cs3250-ex8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseasox%2Fcs3250-ex8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseasox%2Fcs3250-ex8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] beea91fa046c8569ffd4b2ce760cf25f5b39e94d
[INFO] checking seasox/cs3250-ex8 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseasox%2Fcs3250-ex8" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/seasox/cs3250-ex8 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/seasox/cs3250-ex8
[INFO] finished tweaking git repo https://github.com/seasox/cs3250-ex8
[INFO] tweaked toml for git repo https://github.com/seasox/cs3250-ex8 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/seasox/cs3250-ex8 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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 109e9f8886e011998ae4f1b435f72dea3679ea981c03c76fe25674f2cfd57373
[INFO] running `Command { std: "docker" "start" "-a" "109e9f8886e011998ae4f1b435f72dea3679ea981c03c76fe25674f2cfd57373", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "109e9f8886e011998ae4f1b435f72dea3679ea981c03c76fe25674f2cfd57373", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "109e9f8886e011998ae4f1b435f72dea3679ea981c03c76fe25674f2cfd57373", kill_on_drop: false }`
[INFO] [stdout] 109e9f8886e011998ae4f1b435f72dea3679ea981c03c76fe25674f2cfd57373
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] c8714704ab30110b80287dec0d5f2f01194785e4b9d4ed33580ea77e11eb7b91
[INFO] running `Command { std: "docker" "start" "-a" "c8714704ab30110b80287dec0d5f2f01194785e4b9d4ed33580ea77e11eb7b91", kill_on_drop: false }`
[INFO] [stderr]     Checking dscs-ex8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "c8714704ab30110b80287dec0d5f2f01194785e4b9d4ed33580ea77e11eb7b91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8714704ab30110b80287dec0d5f2f01194785e4b9d4ed33580ea77e11eb7b91", kill_on_drop: false }`
[INFO] [stdout] c8714704ab30110b80287dec0d5f2f01194785e4b9d4ed33580ea77e11eb7b91
[INFO] checking seasox/cs3250-ex8 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%2Fseasox%2Fcs3250-ex8" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/seasox/cs3250-ex8 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/seasox/cs3250-ex8
[INFO] finished tweaking git repo https://github.com/seasox/cs3250-ex8
[INFO] tweaked toml for git repo https://github.com/seasox/cs3250-ex8 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/seasox/cs3250-ex8 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] 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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e7d11b95fed3498826f92094a90226ea79abd355a98dc7f9c32a291f6741c7d
[INFO] running `Command { std: "docker" "start" "-a" "2e7d11b95fed3498826f92094a90226ea79abd355a98dc7f9c32a291f6741c7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e7d11b95fed3498826f92094a90226ea79abd355a98dc7f9c32a291f6741c7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e7d11b95fed3498826f92094a90226ea79abd355a98dc7f9c32a291f6741c7d", kill_on_drop: false }`
[INFO] [stdout] 2e7d11b95fed3498826f92094a90226ea79abd355a98dc7f9c32a291f6741c7d
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8143a6008735b68f5c4c057084cb37cc6953f896dde68de7a7a6e55cfbef54a
[INFO] running `Command { std: "docker" "start" "-a" "d8143a6008735b68f5c4c057084cb37cc6953f896dde68de7a7a6e55cfbef54a", kill_on_drop: false }`
[INFO] [stderr]     Checking dscs-ex8 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/ex8_recursive.rs:21:19
[INFO] [stdout]    |
[INFO] [stdout] 19 |       pub fn new(key: K, value: V, left: BST<K, V>, right: BST<K, V>) -> BST<K, V> {
[INFO] [stdout]    |                  ------  --------  ---------------  ---------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |                  |       |         |
[INFO] [stdout]    |                  |       |         these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |                  |       these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |                  these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 20 |           BST {
[INFO] [stdout] 21 |               node: Some(Box::new(Node {
[INFO] [stdout]    |  ___________________^
[INFO] [stdout] 22 | |                 key: key,
[INFO] [stdout] 23 | |                 value: value,
[INFO] [stdout] 24 | |                 left: left,
[INFO] [stdout] 25 | |                 right: right
[INFO] [stdout] 26 | |             }))
[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/ex8_recursive.rs:31:30
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn singleton(key: K, value: V) -> BST<K, V> {
[INFO] [stdout]    |                      ------  -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 31 |         BST::new(key, value, BST::empty(), BST::empty())
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/ex8_recursive.rs:31:44
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn singleton(key: K, value: V) -> BST<K, V> {
[INFO] [stdout]    |                      ------  -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 31 |         BST::new(key, value, BST::empty(), BST::empty())
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/ex8_non_recursive.rs:21:19
[INFO] [stdout]    |
[INFO] [stdout] 19 |       pub fn new(key: K, value: V, left: BST<K, V>, right: BST<K, V>) -> BST<K, V> {
[INFO] [stdout]    |                  ------  --------  ---------------  ---------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |                  |       |         |
[INFO] [stdout]    |                  |       |         these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |                  |       these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |                  these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 20 |           BST {
[INFO] [stdout] 21 |               node: Some(Box::new(Node {
[INFO] [stdout]    |  ___________________^
[INFO] [stdout] 22 | |                 key: key,
[INFO] [stdout] 23 | |                 value: value,
[INFO] [stdout] 24 | |                 left: left,
[INFO] [stdout] 25 | |                 right: right
[INFO] [stdout] 26 | |             }))
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/ex8_non_recursive.rs:31:30
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn singleton(key: K, value: V) -> BST<K, V> {
[INFO] [stdout]    |                      ------  -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 31 |         BST::new(key, value, BST::empty(), BST::empty())
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/ex8_non_recursive.rs:31:44
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn singleton(key: K, value: V) -> BST<K, V> {
[INFO] [stdout]    |                      ------  -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 31 |         BST::new(key, value, BST::empty(), BST::empty())
[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 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dscs-ex8` (lib) due to 7 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/ex8_recursive.rs:21:19
[INFO] [stdout]    |
[INFO] [stdout] 19 |       pub fn new(key: K, value: V, left: BST<K, V>, right: BST<K, V>) -> BST<K, V> {
[INFO] [stdout]    |                  ------  --------  ---------------  ---------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |                  |       |         |
[INFO] [stdout]    |                  |       |         these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |                  |       these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |                  these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 20 |           BST {
[INFO] [stdout] 21 |               node: Some(Box::new(Node {
[INFO] [stdout]    |  ___________________^
[INFO] [stdout] 22 | |                 key: key,
[INFO] [stdout] 23 | |                 value: value,
[INFO] [stdout] 24 | |                 left: left,
[INFO] [stdout] 25 | |                 right: right
[INFO] [stdout] 26 | |             }))
[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/ex8_recursive.rs:31:30
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn singleton(key: K, value: V) -> BST<K, V> {
[INFO] [stdout]    |                      ------  -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 31 |         BST::new(key, value, BST::empty(), BST::empty())
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/ex8_recursive.rs:31:44
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn singleton(key: K, value: V) -> BST<K, V> {
[INFO] [stdout]    |                      ------  -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 31 |         BST::new(key, value, BST::empty(), BST::empty())
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/ex8_non_recursive.rs:21:19
[INFO] [stdout]    |
[INFO] [stdout] 19 |       pub fn new(key: K, value: V, left: BST<K, V>, right: BST<K, V>) -> BST<K, V> {
[INFO] [stdout]    |                  ------  --------  ---------------  ---------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |                  |       |         |
[INFO] [stdout]    |                  |       |         these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |                  |       these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |                  these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 20 |           BST {
[INFO] [stdout] 21 |               node: Some(Box::new(Node {
[INFO] [stdout]    |  ___________________^
[INFO] [stdout] 22 | |                 key: key,
[INFO] [stdout] 23 | |                 value: value,
[INFO] [stdout] 24 | |                 left: left,
[INFO] [stdout] 25 | |                 right: right
[INFO] [stdout] 26 | |             }))
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/ex8_non_recursive.rs:31:30
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn singleton(key: K, value: V) -> BST<K, V> {
[INFO] [stdout]    |                      ------  -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 31 |         BST::new(key, value, BST::empty(), BST::empty())
[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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/ex8_non_recursive.rs:31:44
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn singleton(key: K, value: V) -> BST<K, V> {
[INFO] [stdout]    |                      ------  -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 31 |         BST::new(key, value, BST::empty(), BST::empty())
[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 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dscs-ex8` (lib test) due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "d8143a6008735b68f5c4c057084cb37cc6953f896dde68de7a7a6e55cfbef54a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8143a6008735b68f5c4c057084cb37cc6953f896dde68de7a7a6e55cfbef54a", kill_on_drop: false }`
[INFO] [stdout] d8143a6008735b68f5c4c057084cb37cc6953f896dde68de7a7a6e55cfbef54a