[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] testing akr4/pero against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakr4%2Fpero" "/workspace/builds/worker-18/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-18/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/akr4/pero on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-18/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: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee4b52c1f36db03e8ad4d96a61bd5b35ad754e586077ac2207a55afe94c0f75b
[INFO] running `Command { std: "docker" "start" "-a" "ee4b52c1f36db03e8ad4d96a61bd5b35ad754e586077ac2207a55afe94c0f75b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee4b52c1f36db03e8ad4d96a61bd5b35ad754e586077ac2207a55afe94c0f75b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee4b52c1f36db03e8ad4d96a61bd5b35ad754e586077ac2207a55afe94c0f75b", kill_on_drop: false }`
[INFO] [stdout] ee4b52c1f36db03e8ad4d96a61bd5b35ad754e586077ac2207a55afe94c0f75b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc30ed21fbe0123d247240d02d4b22231f5553299f9c064d87e6352a059ae309
[INFO] running `Command { std: "docker" "start" "-a" "fc30ed21fbe0123d247240d02d4b22231f5553299f9c064d87e6352a059ae309", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling colored v1.6.1
[INFO] [stderr]    Compiling walkdir v2.2.7
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling pero v0.1.0 (/opt/rustwide/workdir)
[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]    = note: `#[warn(bare_trait_objects)]` on by default
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 50 - type ProjectDetector = fn(path: &Path) -> Option<Box<Project>>;
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 52 - fn detect_project(path: &Path) -> Option<Box<Project>> {
[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/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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 33 -     type Item = Box<Project>;
[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/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: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 - pub fn detect(path: &Path) -> Option<Box<project::Project>> {
[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: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 5 - pub fn print_project(project: &Project) {
[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: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 - pub fn detect(path: &Path) -> Option<Box<project::Project>> {
[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: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 - pub fn detect(path: &Path) -> Option<Box<project::Project>> {
[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: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 7 - pub fn detect(path: &Path) -> Option<Box<Project>> {
[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: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 - pub fn detect(path: &Path) -> Option<Box<project::Project>> {
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 -     ITER: IntoIterator<Item = &'a Box<Project>>,
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 -             .map(|p| Box::new(Cargo::new(p)) as Box<project::Project>),
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 -             .map(|p| Box::new(Gradle::new(p)) as Box<project::Project>),
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 -             .map(|p| Box::new(Maven::new(p)) as Box<project::Project>),
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 12 -         path.parent().map(|p| Box::new(Npm::new(p)) as Box<Project>)
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 -             .map(|p| Box::new(Sbt::new(p)) as Box<project::Project>),
[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: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.71s
[INFO] running `Command { std: "docker" "inspect" "fc30ed21fbe0123d247240d02d4b22231f5553299f9c064d87e6352a059ae309", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc30ed21fbe0123d247240d02d4b22231f5553299f9c064d87e6352a059ae309", kill_on_drop: false }`
[INFO] [stdout] fc30ed21fbe0123d247240d02d4b22231f5553299f9c064d87e6352a059ae309
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51352d205069f615f5ccd07b3c18d00587352f2b4baaa674a4f5b34b3dad11f7
[INFO] running `Command { std: "docker" "start" "-a" "51352d205069f615f5ccd07b3c18d00587352f2b4baaa674a4f5b34b3dad11f7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pero v0.1.0 (/opt/rustwide/workdir)
[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]    = note: `#[warn(bare_trait_objects)]` on by default
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 50 - type ProjectDetector = fn(path: &Path) -> Option<Box<Project>>;
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 52 - fn detect_project(path: &Path) -> Option<Box<Project>> {
[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/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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 33 -     type Item = Box<Project>;
[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/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: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 - pub fn detect(path: &Path) -> Option<Box<project::Project>> {
[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: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 5 - pub fn print_project(project: &Project) {
[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: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 - pub fn detect(path: &Path) -> Option<Box<project::Project>> {
[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: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 - pub fn detect(path: &Path) -> Option<Box<project::Project>> {
[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: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 7 - pub fn detect(path: &Path) -> Option<Box<Project>> {
[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: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 - pub fn detect(path: &Path) -> Option<Box<project::Project>> {
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 -     ITER: IntoIterator<Item = &'a Box<Project>>,
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 -             .map(|p| Box::new(Cargo::new(p)) as Box<project::Project>),
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 -             .map(|p| Box::new(Gradle::new(p)) as Box<project::Project>),
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 -             .map(|p| Box::new(Maven::new(p)) as Box<project::Project>),
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 12 -         path.parent().map(|p| Box::new(Npm::new(p)) as Box<Project>)
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 -             .map(|p| Box::new(Sbt::new(p)) as Box<project::Project>),
[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: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 38 -     let p1: Box<Project> = Box::new(TestingProject {});
[INFO] [stdout] 38 +     let p1: Box<dyn Project> = Box::new(TestingProject {});
[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: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "51352d205069f615f5ccd07b3c18d00587352f2b4baaa674a4f5b34b3dad11f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51352d205069f615f5ccd07b3c18d00587352f2b4baaa674a4f5b34b3dad11f7", kill_on_drop: false }`
[INFO] [stdout] 51352d205069f615f5ccd07b3c18d00587352f2b4baaa674a4f5b34b3dad11f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4e6c4d1e10db5cd1cf8672adafc34bb6392c998cd4751a89c754da625bf9513c
[INFO] running `Command { std: "docker" "start" "-a" "4e6c4d1e10db5cd1cf8672adafc34bb6392c998cd4751a89c754da625bf9513c", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:50:54
[INFO] [stderr]    |
[INFO] [stderr] 50 | type ProjectDetector = fn(path: &Path) -> Option<Box<Project>>;
[INFO] [stderr]    |                                                      ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 50 - type ProjectDetector = fn(path: &Path) -> Option<Box<Project>>;
[INFO] [stderr] 50 + type ProjectDetector = fn(path: &Path) -> Option<Box<dyn Project>>;
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:52:46
[INFO] [stderr]    |
[INFO] [stderr] 52 | fn detect_project(path: &Path) -> Option<Box<Project>> {
[INFO] [stderr]    |                                              ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 52 - fn detect_project(path: &Path) -> Option<Box<Project>> {
[INFO] [stderr] 52 + fn detect_project(path: &Path) -> Option<Box<dyn Project>> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:33:21
[INFO] [stderr]    |
[INFO] [stderr] 33 |     type Item = Box<Project>;
[INFO] [stderr]    |                     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 33 -     type Item = Box<Project>;
[INFO] [stderr] 33 +     type Item = Box<dyn Project>;
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/cargo.rs:6:42
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn detect(path: &Path) -> Option<Box<project::Project>> {
[INFO] [stderr]   |                                          ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 6 - pub fn detect(path: &Path) -> Option<Box<project::Project>> {
[INFO] [stderr] 6 + pub fn detect(path: &Path) -> Option<Box<dyn project::Project>> {
[INFO] [stderr]   | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/display.rs:5:32
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn print_project(project: &Project) {
[INFO] [stderr]   |                                ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 5 - pub fn print_project(project: &Project) {
[INFO] [stderr] 5 + pub fn print_project(project: &dyn Project) {
[INFO] [stderr]   | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/gradle.rs:6:42
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn detect(path: &Path) -> Option<Box<project::Project>> {
[INFO] [stderr]   |                                          ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 6 - pub fn detect(path: &Path) -> Option<Box<project::Project>> {
[INFO] [stderr] 6 + pub fn detect(path: &Path) -> Option<Box<dyn project::Project>> {
[INFO] [stderr]   | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/maven.rs:6:42
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn detect(path: &Path) -> Option<Box<project::Project>> {
[INFO] [stderr]   |                                          ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 6 - pub fn detect(path: &Path) -> Option<Box<project::Project>> {
[INFO] [stderr] 6 + pub fn detect(path: &Path) -> Option<Box<dyn project::Project>> {
[INFO] [stderr]   | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/npm.rs:7:42
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn detect(path: &Path) -> Option<Box<Project>> {
[INFO] [stderr]   |                                          ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 7 - pub fn detect(path: &Path) -> Option<Box<Project>> {
[INFO] [stderr] 7 + pub fn detect(path: &Path) -> Option<Box<dyn Project>> {
[INFO] [stderr]   | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/sbt.rs:6:42
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn detect(path: &Path) -> Option<Box<project::Project>> {
[INFO] [stderr]   |                                          ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 6 - pub fn detect(path: &Path) -> Option<Box<project::Project>> {
[INFO] [stderr] 6 + pub fn detect(path: &Path) -> Option<Box<dyn project::Project>> {
[INFO] [stderr]   | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/statistics.rs:11:39
[INFO] [stderr]    |
[INFO] [stderr] 11 |     ITER: IntoIterator<Item = &'a Box<Project>>,
[INFO] [stderr]    |                                       ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 11 -     ITER: IntoIterator<Item = &'a Box<Project>>,
[INFO] [stderr] 11 +     ITER: IntoIterator<Item = &'a Box<dyn Project>>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/cargo.rs:10:53
[INFO] [stderr]    |
[INFO] [stderr] 10 |             .map(|p| Box::new(Cargo::new(p)) as Box<project::Project>),
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 10 -             .map(|p| Box::new(Cargo::new(p)) as Box<project::Project>),
[INFO] [stderr] 10 +             .map(|p| Box::new(Cargo::new(p)) as Box<dyn project::Project>),
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/gradle.rs:10:54
[INFO] [stderr]    |
[INFO] [stderr] 10 |             .map(|p| Box::new(Gradle::new(p)) as Box<project::Project>),
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 10 -             .map(|p| Box::new(Gradle::new(p)) as Box<project::Project>),
[INFO] [stderr] 10 +             .map(|p| Box::new(Gradle::new(p)) as Box<dyn project::Project>),
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/maven.rs:10:53
[INFO] [stderr]    |
[INFO] [stderr] 10 |             .map(|p| Box::new(Maven::new(p)) as Box<project::Project>),
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 10 -             .map(|p| Box::new(Maven::new(p)) as Box<project::Project>),
[INFO] [stderr] 10 +             .map(|p| Box::new(Maven::new(p)) as Box<dyn project::Project>),
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/npm.rs:12:60
[INFO] [stderr]    |
[INFO] [stderr] 12 |         path.parent().map(|p| Box::new(Npm::new(p)) as Box<Project>)
[INFO] [stderr]    |                                                            ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 12 -         path.parent().map(|p| Box::new(Npm::new(p)) as Box<Project>)
[INFO] [stderr] 12 +         path.parent().map(|p| Box::new(Npm::new(p)) as Box<dyn Project>)
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sbt.rs:10:51
[INFO] [stderr]    |
[INFO] [stderr] 10 |             .map(|p| Box::new(Sbt::new(p)) as Box<project::Project>),
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 10 -             .map(|p| Box::new(Sbt::new(p)) as Box<project::Project>),
[INFO] [stderr] 10 +             .map(|p| Box::new(Sbt::new(p)) as Box<dyn project::Project>),
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/statistics.rs:38:17
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let p1: Box<Project> = Box::new(TestingProject {});
[INFO] [stderr]    |                 ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 38 -     let p1: Box<Project> = Box::new(TestingProject {});
[INFO] [stderr] 38 +     let p1: Box<dyn Project> = Box::new(TestingProject {});
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:101:13
[INFO] [stderr]     |
[INFO] [stderr] 101 |         let mut projects = projects_map.entry(type_name).or_insert_with(Vec::new);
[INFO] [stderr]     |             ----^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `pero` (bin "pero" test) generated 17 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pero-9d89f2f1e2b1a7f6)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test statistics::test_calc_statistics ... ok
[INFO] [stdout] test display::test_format_number ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4e6c4d1e10db5cd1cf8672adafc34bb6392c998cd4751a89c754da625bf9513c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e6c4d1e10db5cd1cf8672adafc34bb6392c998cd4751a89c754da625bf9513c", kill_on_drop: false }`
[INFO] [stdout] 4e6c4d1e10db5cd1cf8672adafc34bb6392c998cd4751a89c754da625bf9513c