[INFO] cloning repository https://github.com/akr4/pero
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/akr4/pero" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakr4%2Fpero", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakr4%2Fpero'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e40cabe5bedcb432fd7bee1f823a68eb0a88cb0
[INFO] checking akr4/pero/5e40cabe5bedcb432fd7bee1f823a68eb0a88cb0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakr4%2Fpero" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/akr4/pero 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 git repo https://github.com/akr4/pero
[INFO] finished tweaking git repo https://github.com/akr4/pero
[INFO] tweaked toml for git repo https://github.com/akr4/pero written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/akr4/pero 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] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[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] f9107519e254104af36cc9b1b9a92fd6ce470f0db6e9b4171217ed8dcede4930
[INFO] running `Command { std: "docker" "start" "-a" "f9107519e254104af36cc9b1b9a92fd6ce470f0db6e9b4171217ed8dcede4930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9107519e254104af36cc9b1b9a92fd6ce470f0db6e9b4171217ed8dcede4930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9107519e254104af36cc9b1b9a92fd6ce470f0db6e9b4171217ed8dcede4930", kill_on_drop: false }`
[INFO] [stdout] f9107519e254104af36cc9b1b9a92fd6ce470f0db6e9b4171217ed8dcede4930
[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] a4d13233d2e2327a0923376b0a8e9821dbc7b27b37a153546d594906482e58ac
[INFO] running `Command { std: "docker" "start" "-a" "a4d13233d2e2327a0923376b0a8e9821dbc7b27b37a153546d594906482e58ac", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking colored v1.6.1
[INFO] [stderr]     Checking walkdir v2.2.7
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking pero v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:33:21
[INFO] [stdout]    |
[INFO] [stdout] 33 |     type Item = Box<Project>;
[INFO] [stdout]    |                     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 33 |     type Item = Box<dyn Project>;
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:50:54
[INFO] [stdout]    |
[INFO] [stdout] 50 | type ProjectDetector = fn(path: &Path) -> Option<Box<Project>>;
[INFO] [stdout]    |                                                      ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 50 | type ProjectDetector = fn(path: &Path) -> Option<Box<dyn Project>>;
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:52:46
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn detect_project(path: &Path) -> Option<Box<Project>> {
[INFO] [stdout]    |                                              ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn detect_project(path: &Path) -> Option<Box<dyn Project>> {
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/cargo.rs:6:42
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn detect(path: &Path) -> Option<Box<project::Project>> {
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn detect(path: &Path) -> Option<Box<dyn project::Project>> {
[INFO] [stdout]   |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/display.rs:5:32
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn print_project(project: &Project) {
[INFO] [stdout]   |                                ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn print_project(project: &dyn Project) {
[INFO] [stdout]   |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/gradle.rs:6:42
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn detect(path: &Path) -> Option<Box<project::Project>> {
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn detect(path: &Path) -> Option<Box<dyn project::Project>> {
[INFO] [stdout]   |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/maven.rs:6:42
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn detect(path: &Path) -> Option<Box<project::Project>> {
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn detect(path: &Path) -> Option<Box<dyn project::Project>> {
[INFO] [stdout]   |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/npm.rs:7:42
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn detect(path: &Path) -> Option<Box<Project>> {
[INFO] [stdout]   |                                          ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn detect(path: &Path) -> Option<Box<dyn Project>> {
[INFO] [stdout]   |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:33:21
[INFO] [stdout]    |
[INFO] [stdout] 33 |     type Item = Box<Project>;
[INFO] [stdout]    |                     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 33 |     type Item = Box<dyn Project>;
[INFO] [stdout]    |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/sbt.rs:6:42
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn detect(path: &Path) -> Option<Box<project::Project>> {
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn detect(path: &Path) -> Option<Box<dyn project::Project>> {
[INFO] [stdout]   |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:50:54
[INFO] [stdout]    |
[INFO] [stdout] 50 | type ProjectDetector = fn(path: &Path) -> Option<Box<Project>>;
[INFO] [stdout]    |                                                      ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 50 | type ProjectDetector = fn(path: &Path) -> Option<Box<dyn Project>>;
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:52:46
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn detect_project(path: &Path) -> Option<Box<Project>> {
[INFO] [stdout]    |                                              ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn detect_project(path: &Path) -> Option<Box<dyn Project>> {
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/cargo.rs:6:42
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn detect(path: &Path) -> Option<Box<project::Project>> {
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn detect(path: &Path) -> Option<Box<dyn project::Project>> {
[INFO] [stdout]   |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/display.rs:5:32
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn print_project(project: &Project) {
[INFO] [stdout]   |                                ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn print_project(project: &dyn Project) {
[INFO] [stdout]   |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/statistics.rs:11:39
[INFO] [stdout]    |
[INFO] [stdout] 11 |     ITER: IntoIterator<Item = &'a Box<Project>>,
[INFO] [stdout]    |                                       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 |     ITER: IntoIterator<Item = &'a Box<dyn Project>>,
[INFO] [stdout]    |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cargo.rs:10:53
[INFO] [stdout]    |
[INFO] [stdout] 10 |             .map(|p| Box::new(Cargo::new(p)) as Box<project::Project>),
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 |             .map(|p| Box::new(Cargo::new(p)) as Box<dyn project::Project>),
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/gradle.rs:6:42
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn detect(path: &Path) -> Option<Box<project::Project>> {
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn detect(path: &Path) -> Option<Box<dyn project::Project>> {
[INFO] [stdout]   |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/maven.rs:6:42
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn detect(path: &Path) -> Option<Box<project::Project>> {
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn detect(path: &Path) -> Option<Box<dyn project::Project>> {
[INFO] [stdout]   |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/npm.rs:7:42
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn detect(path: &Path) -> Option<Box<Project>> {
[INFO] [stdout]   |                                          ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn detect(path: &Path) -> Option<Box<dyn Project>> {
[INFO] [stdout]   |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/sbt.rs:6:42
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn detect(path: &Path) -> Option<Box<project::Project>> {
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn detect(path: &Path) -> Option<Box<dyn project::Project>> {
[INFO] [stdout]   |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/statistics.rs:11:39
[INFO] [stdout]    |
[INFO] [stdout] 11 |     ITER: IntoIterator<Item = &'a Box<Project>>,
[INFO] [stdout]    |                                       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 |     ITER: IntoIterator<Item = &'a Box<dyn Project>>,
[INFO] [stdout]    |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cargo.rs:10:53
[INFO] [stdout]    |
[INFO] [stdout] 10 |             .map(|p| Box::new(Cargo::new(p)) as Box<project::Project>),
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 |             .map(|p| Box::new(Cargo::new(p)) as Box<dyn project::Project>),
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/gradle.rs:10:54
[INFO] [stdout]    |
[INFO] [stdout] 10 |             .map(|p| Box::new(Gradle::new(p)) as Box<project::Project>),
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 |             .map(|p| Box::new(Gradle::new(p)) as Box<dyn project::Project>),
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/maven.rs:10:53
[INFO] [stdout]    |
[INFO] [stdout] 10 |             .map(|p| Box::new(Maven::new(p)) as Box<project::Project>),
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 |             .map(|p| Box::new(Maven::new(p)) as Box<dyn project::Project>),
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/npm.rs:12:60
[INFO] [stdout]    |
[INFO] [stdout] 12 |         path.parent().map(|p| Box::new(Npm::new(p)) as Box<Project>)
[INFO] [stdout]    |                                                            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 12 |         path.parent().map(|p| Box::new(Npm::new(p)) as Box<dyn Project>)
[INFO] [stdout]    |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sbt.rs:10:51
[INFO] [stdout]    |
[INFO] [stdout] 10 |             .map(|p| Box::new(Sbt::new(p)) as Box<project::Project>),
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 |             .map(|p| Box::new(Sbt::new(p)) as Box<dyn project::Project>),
[INFO] [stdout]    |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/statistics.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let p1: Box<Project> = Box::new(TestingProject {});
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let p1: Box<dyn Project> = Box::new(TestingProject {});
[INFO] [stdout]    |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/gradle.rs:10:54
[INFO] [stdout]    |
[INFO] [stdout] 10 |             .map(|p| Box::new(Gradle::new(p)) as Box<project::Project>),
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 |             .map(|p| Box::new(Gradle::new(p)) as Box<dyn project::Project>),
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/maven.rs:10:53
[INFO] [stdout]    |
[INFO] [stdout] 10 |             .map(|p| Box::new(Maven::new(p)) as Box<project::Project>),
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 |             .map(|p| Box::new(Maven::new(p)) as Box<dyn project::Project>),
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/npm.rs:12:60
[INFO] [stdout]    |
[INFO] [stdout] 12 |         path.parent().map(|p| Box::new(Npm::new(p)) as Box<Project>)
[INFO] [stdout]    |                                                            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 12 |         path.parent().map(|p| Box::new(Npm::new(p)) as Box<dyn Project>)
[INFO] [stdout]    |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sbt.rs:10:51
[INFO] [stdout]    |
[INFO] [stdout] 10 |             .map(|p| Box::new(Sbt::new(p)) as Box<project::Project>),
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 |             .map(|p| Box::new(Sbt::new(p)) as Box<dyn project::Project>),
[INFO] [stdout]    |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:101:13
[INFO] [stdout]     |
[INFO] [stdout] 101 |         let mut projects = projects_map.entry(type_name).or_insert_with(Vec::new);
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/project.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Io(std::io::Error),
[INFO] [stdout]   |     -- ^^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Io(()),
[INFO] [stdout]   |        ~~
[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/main.rs:27:23
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn new<P: AsRef<Path>>(path: P) -> ProjectIterator {
[INFO] [stdout]    |                                ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 26 |         ProjectIterator {
[INFO] [stdout] 27 |             dir_iter: walkdir::WalkDir::new(path).into_iter(),
[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/cargo.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 |             .map(|p| Box::new(Cargo::new(p)) as Box<project::Project>),
[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/gradle.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 |             .map(|p| Box::new(Gradle::new(p)) as Box<project::Project>),
[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/maven.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 |             .map(|p| Box::new(Maven::new(p)) as Box<project::Project>),
[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/npm.rs:12:31
[INFO] [stdout]    |
[INFO] [stdout] 12 |         path.parent().map(|p| Box::new(Npm::new(p)) as Box<Project>)
[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/npm.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let p = node_module_path(&self.path).expect("Project should have node_modules");
[INFO] [stdout]    |             - these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 41 |         dir_size::calc_size_recursively(&p).map_err(project::Error::Io)
[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/sbt.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 |             .map(|p| Box::new(Sbt::new(p)) as Box<project::Project>),
[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/statistics.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub fn calc_statistics<'a, ITER>(projects: ITER) -> Statistics
[INFO] [stdout]    |                                  -------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 13 |     projects.into_iter().fold((0, 0), |(count, size), p| {
[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 8 previous errors; 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:101:13
[INFO] [stdout]     |
[INFO] [stdout] 101 |         let mut projects = projects_map.entry(type_name).or_insert_with(Vec::new);
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/project.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Io(std::io::Error),
[INFO] [stdout]   |     -- ^^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Io(()),
[INFO] [stdout]   |        ~~
[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/main.rs:27:23
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn new<P: AsRef<Path>>(path: P) -> ProjectIterator {
[INFO] [stdout]    |                                ------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 26 |         ProjectIterator {
[INFO] [stdout] 27 |             dir_iter: walkdir::WalkDir::new(path).into_iter(),
[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/cargo.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 |             .map(|p| Box::new(Cargo::new(p)) as Box<project::Project>),
[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/gradle.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 |             .map(|p| Box::new(Gradle::new(p)) as Box<project::Project>),
[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/maven.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 |             .map(|p| Box::new(Maven::new(p)) as Box<project::Project>),
[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/npm.rs:12:31
[INFO] [stdout]    |
[INFO] [stdout] 12 |         path.parent().map(|p| Box::new(Npm::new(p)) as Box<Project>)
[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/npm.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let p = node_module_path(&self.path).expect("Project should have node_modules");
[INFO] [stdout]    |             - these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 41 |         dir_size::calc_size_recursively(&p).map_err(project::Error::Io)
[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/sbt.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 |             .map(|p| Box::new(Sbt::new(p)) as Box<project::Project>),
[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/statistics.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub fn calc_statistics<'a, ITER>(projects: ITER) -> Statistics
[INFO] [stdout]    |                                  -------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 13 |     projects.into_iter().fold((0, 0), |(count, size), p| {
[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 `pero` (bin "pero" test) due to 9 previous errors; 18 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 8 previous errors; 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pero` (bin "pero") due to 9 previous errors; 17 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "a4d13233d2e2327a0923376b0a8e9821dbc7b27b37a153546d594906482e58ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4d13233d2e2327a0923376b0a8e9821dbc7b27b37a153546d594906482e58ac", kill_on_drop: false }`
[INFO] [stdout] a4d13233d2e2327a0923376b0a8e9821dbc7b27b37a153546d594906482e58ac