[INFO] cloning repository https://github.com/lanPN85/area-cov
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lanPN85/area-cov" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FlanPN85%2Farea-cov", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FlanPN85%2Farea-cov'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d33649d498d058faaceb2ec1591933616e27f3fd
[INFO] testing lanPN85/area-cov against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FlanPN85%2Farea-cov" "/workspace/builds/worker-21/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lanPN85/area-cov 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/lanPN85/area-cov
[INFO] finished tweaking git repo https://github.com/lanPN85/area-cov
[INFO] tweaked toml for git repo https://github.com/lanPN85/area-cov written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate git repo https://github.com/lanPN85/area-cov 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap v2.29.4
[INFO] [stderr]   Downloaded quickersort v3.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 8c50cfa2aa4896bd143ee47bd21692280fe4d1555d88192d6bb5fc4589761873
[INFO] running `Command { std: "docker" "start" "-a" "8c50cfa2aa4896bd143ee47bd21692280fe4d1555d88192d6bb5fc4589761873", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c50cfa2aa4896bd143ee47bd21692280fe4d1555d88192d6bb5fc4589761873", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c50cfa2aa4896bd143ee47bd21692280fe4d1555d88192d6bb5fc4589761873", kill_on_drop: false }`
[INFO] [stdout] 8c50cfa2aa4896bd143ee47bd21692280fe4d1555d88192d6bb5fc4589761873
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] bb76354cfda25cecb6d95c837e3afb748009b39be1ede976153a639814b609a3
[INFO] running `Command { std: "docker" "start" "-a" "bb76354cfda25cecb6d95c837e3afb748009b39be1ede976153a639814b609a3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.36
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling ansi_term v0.10.2
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling quickersort v3.0.1
[INFO] [stderr]    Compiling atty v0.2.6
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling clap v2.29.4
[INFO] [stderr]    Compiling area_cov v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ga/mod.rs:27:24
[INFO] [stdout]    |
[INFO] [stdout] 27 |     const SELECT_ALG: fn(&Fn(&Configuration, &Vec<Point>)->f32, &Configuration, &Vec<Vec<Point>>, usize)->Vec<Vec<Point>> = best;
[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] 27 -     const SELECT_ALG: fn(&Fn(&Configuration, &Vec<Point>)->f32, &Configuration, &Vec<Vec<Point>>, usize)->Vec<Vec<Point>> = best;
[INFO] [stdout] 27 +     const SELECT_ALG: fn(&dyn Fn(&Configuration, &Vec<Point>)->f32, &Configuration, &Vec<Vec<Point>>, usize)->Vec<Vec<Point>> = best;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/ga/select.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn best(adapt_fn: &Fn(&Configuration, &Vec<Point>)->f32, conf: &Configuration, 
[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 best(adapt_fn: &Fn(&Configuration, &Vec<Point>)->f32, conf: &Configuration, 
[INFO] [stdout] 6 + pub fn best(adapt_fn: &dyn Fn(&Configuration, &Vec<Point>)->f32, conf: &Configuration, 
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ga/hungarian.rs:196:86
[INFO] [stdout]     |
[INFO] [stdout] 196 | pub fn apply_hungarian<T: Clone+Debug>(g1: &mut Vec<T>, g2: &mut Vec<T>, weight_fn: &Fn(&T, &T)->f32) {
[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] 196 - pub fn apply_hungarian<T: Clone+Debug>(g1: &mut Vec<T>, g2: &mut Vec<T>, weight_fn: &Fn(&T, &T)->f32) {
[INFO] [stdout] 196 + pub fn apply_hungarian<T: Clone+Debug>(g1: &mut Vec<T>, g2: &mut Vec<T>, weight_fn: &dyn Fn(&T, &T)->f32) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ga/hungarian.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 18 |             weight_fn: &Fn(&T, &T)->f32) -> HugarianSolver<T> {
[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] 18 -             weight_fn: &Fn(&T, &T)->f32) -> HugarianSolver<T> {
[INFO] [stdout] 18 +             weight_fn: &dyn Fn(&T, &T)->f32) -> HugarianSolver<T> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ga/hungarian.rs:44:40
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn augment(&mut self, weight_fn: &Fn(&T, &T)->f32) -> bool {
[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] 44 -     pub fn augment(&mut self, weight_fn: &Fn(&T, &T)->f32) -> bool {
[INFO] [stdout] 44 +     pub fn augment(&mut self, weight_fn: &dyn Fn(&T, &T)->f32) -> bool {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ga/hungarian.rs:153:60
[INFO] [stdout]     |
[INFO] [stdout] 153 |     fn add_to_tree(&mut self, x: i32, prevx: i32, weight_fn: &Fn(&T, &T)->f32) {
[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] 153 -     fn add_to_tree(&mut self, x: i32, prevx: i32, weight_fn: &Fn(&T, &T)->f32) {
[INFO] [stdout] 153 +     fn add_to_tree(&mut self, x: i32, prevx: i32, weight_fn: &dyn Fn(&T, &T)->f32) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.94s
[INFO] running `Command { std: "docker" "inspect" "bb76354cfda25cecb6d95c837e3afb748009b39be1ede976153a639814b609a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb76354cfda25cecb6d95c837e3afb748009b39be1ede976153a639814b609a3", kill_on_drop: false }`
[INFO] [stdout] bb76354cfda25cecb6d95c837e3afb748009b39be1ede976153a639814b609a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 4ddd05c3965328525295ae23f3fea8eacdcdedd38934cc63a15bf42bd76a607b
[INFO] running `Command { std: "docker" "start" "-a" "4ddd05c3965328525295ae23f3fea8eacdcdedd38934cc63a15bf42bd76a607b", kill_on_drop: false }`
[INFO] [stderr]    Compiling area_cov v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ga/mod.rs:27:24
[INFO] [stdout]    |
[INFO] [stdout] 27 |     const SELECT_ALG: fn(&Fn(&Configuration, &Vec<Point>)->f32, &Configuration, &Vec<Vec<Point>>, usize)->Vec<Vec<Point>> = best;
[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] 27 -     const SELECT_ALG: fn(&Fn(&Configuration, &Vec<Point>)->f32, &Configuration, &Vec<Vec<Point>>, usize)->Vec<Vec<Point>> = best;
[INFO] [stdout] 27 +     const SELECT_ALG: fn(&dyn Fn(&Configuration, &Vec<Point>)->f32, &Configuration, &Vec<Vec<Point>>, usize)->Vec<Vec<Point>> = best;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/ga/select.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn best(adapt_fn: &Fn(&Configuration, &Vec<Point>)->f32, conf: &Configuration, 
[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 best(adapt_fn: &Fn(&Configuration, &Vec<Point>)->f32, conf: &Configuration, 
[INFO] [stdout] 6 + pub fn best(adapt_fn: &dyn Fn(&Configuration, &Vec<Point>)->f32, conf: &Configuration, 
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ga/hungarian.rs:196:86
[INFO] [stdout]     |
[INFO] [stdout] 196 | pub fn apply_hungarian<T: Clone+Debug>(g1: &mut Vec<T>, g2: &mut Vec<T>, weight_fn: &Fn(&T, &T)->f32) {
[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] 196 - pub fn apply_hungarian<T: Clone+Debug>(g1: &mut Vec<T>, g2: &mut Vec<T>, weight_fn: &Fn(&T, &T)->f32) {
[INFO] [stdout] 196 + pub fn apply_hungarian<T: Clone+Debug>(g1: &mut Vec<T>, g2: &mut Vec<T>, weight_fn: &dyn Fn(&T, &T)->f32) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ga/hungarian.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 18 |             weight_fn: &Fn(&T, &T)->f32) -> HugarianSolver<T> {
[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] 18 -             weight_fn: &Fn(&T, &T)->f32) -> HugarianSolver<T> {
[INFO] [stdout] 18 +             weight_fn: &dyn Fn(&T, &T)->f32) -> HugarianSolver<T> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ga/hungarian.rs:44:40
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn augment(&mut self, weight_fn: &Fn(&T, &T)->f32) -> bool {
[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] 44 -     pub fn augment(&mut self, weight_fn: &Fn(&T, &T)->f32) -> bool {
[INFO] [stdout] 44 +     pub fn augment(&mut self, weight_fn: &dyn Fn(&T, &T)->f32) -> bool {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ga/hungarian.rs:153:60
[INFO] [stdout]     |
[INFO] [stdout] 153 |     fn add_to_tree(&mut self, x: i32, prevx: i32, weight_fn: &Fn(&T, &T)->f32) {
[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] 153 -     fn add_to_tree(&mut self, x: i32, prevx: i32, weight_fn: &Fn(&T, &T)->f32) {
[INFO] [stdout] 153 +     fn add_to_tree(&mut self, x: i32, prevx: i32, weight_fn: &dyn Fn(&T, &T)->f32) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "4ddd05c3965328525295ae23f3fea8eacdcdedd38934cc63a15bf42bd76a607b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ddd05c3965328525295ae23f3fea8eacdcdedd38934cc63a15bf42bd76a607b", kill_on_drop: false }`
[INFO] [stdout] 4ddd05c3965328525295ae23f3fea8eacdcdedd38934cc63a15bf42bd76a607b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] cc7642567f2f96c345fb5de13e1e4531e9d58f345d4a8d5c2a3f42daa8526677
[INFO] running `Command { std: "docker" "start" "-a" "cc7642567f2f96c345fb5de13e1e4531e9d58f345d4a8d5c2a3f42daa8526677", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ga/mod.rs:27:24
[INFO] [stderr]    |
[INFO] [stderr] 27 |     const SELECT_ALG: fn(&Fn(&Configuration, &Vec<Point>)->f32, &Configuration, &Vec<Vec<Point>>, usize)->Vec<Vec<Point>> = best;
[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] 27 -     const SELECT_ALG: fn(&Fn(&Configuration, &Vec<Point>)->f32, &Configuration, &Vec<Vec<Point>>, usize)->Vec<Vec<Point>> = best;
[INFO] [stderr] 27 +     const SELECT_ALG: fn(&dyn Fn(&Configuration, &Vec<Point>)->f32, &Configuration, &Vec<Vec<Point>>, usize)->Vec<Vec<Point>> = best;
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/ga/select.rs:6:24
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn best(adapt_fn: &Fn(&Configuration, &Vec<Point>)->f32, conf: &Configuration, 
[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 best(adapt_fn: &Fn(&Configuration, &Vec<Point>)->f32, conf: &Configuration, 
[INFO] [stderr] 6 + pub fn best(adapt_fn: &dyn Fn(&Configuration, &Vec<Point>)->f32, conf: &Configuration, 
[INFO] [stderr]   | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ga/hungarian.rs:196:86
[INFO] [stderr]     |
[INFO] [stderr] 196 | pub fn apply_hungarian<T: Clone+Debug>(g1: &mut Vec<T>, g2: &mut Vec<T>, weight_fn: &Fn(&T, &T)->f32) {
[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] 196 - pub fn apply_hungarian<T: Clone+Debug>(g1: &mut Vec<T>, g2: &mut Vec<T>, weight_fn: &Fn(&T, &T)->f32) {
[INFO] [stderr] 196 + pub fn apply_hungarian<T: Clone+Debug>(g1: &mut Vec<T>, g2: &mut Vec<T>, weight_fn: &dyn Fn(&T, &T)->f32) {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ga/hungarian.rs:18:16
[INFO] [stderr]    |
[INFO] [stderr] 18 |             weight_fn: &Fn(&T, &T)->f32) -> HugarianSolver<T> {
[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] 18 -             weight_fn: &Fn(&T, &T)->f32) -> HugarianSolver<T> {
[INFO] [stderr] 18 +             weight_fn: &dyn Fn(&T, &T)->f32) -> HugarianSolver<T> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ga/hungarian.rs:44:40
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn augment(&mut self, weight_fn: &Fn(&T, &T)->f32) -> bool {
[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] 44 -     pub fn augment(&mut self, weight_fn: &Fn(&T, &T)->f32) -> bool {
[INFO] [stderr] 44 +     pub fn augment(&mut self, weight_fn: &dyn Fn(&T, &T)->f32) -> bool {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ga/hungarian.rs:153:60
[INFO] [stderr]     |
[INFO] [stderr] 153 |     fn add_to_tree(&mut self, x: i32, prevx: i32, weight_fn: &Fn(&T, &T)->f32) {
[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] 153 -     fn add_to_tree(&mut self, x: i32, prevx: i32, weight_fn: &Fn(&T, &T)->f32) {
[INFO] [stderr] 153 +     fn add_to_tree(&mut self, x: i32, prevx: i32, weight_fn: &dyn Fn(&T, &T)->f32) {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: `area_cov` (bin "area_cov" test) generated 6 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/area_cov-0cebb90fb677f18d)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test fileio::tests::test_file_out ... ignored
[INFO] [stdout] test fileio::tests::test_file_inp ... ok
[INFO] [stdout] test ga::hungarian::tests::test_hungarian ... ok
[INFO] [stdout] test ga::cross::tests::test_blx ... ok
[INFO] [stdout] test ga::init::tests::test_random_init ... ok
[INFO] [stdout] test ga::cross::tests::test_homogenize ... ok
[INFO] [stdout] test ga::init::tests::test_heuristic_init ... ok
[INFO] [stdout] test ga::init::tests::test_random_state ... ok
[INFO] [stdout] test ga::mutate::tests::test_static_gaussian ... ok
[INFO] [stdout] test ga::select::tests::test_best_selector ... ok
[INFO] [stdout] test ga::mutate::tests::test_dynamic_gaussian ... ok
[INFO] [stdout] test models::adaptive::tests::test_overlap ... ok
[INFO] [stdout] test models::adaptive::tests::test_coverage_area ... ok
[INFO] [stdout] test ga::tests::test_ga ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.75s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cc7642567f2f96c345fb5de13e1e4531e9d58f345d4a8d5c2a3f42daa8526677", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc7642567f2f96c345fb5de13e1e4531e9d58f345d4a8d5c2a3f42daa8526677", kill_on_drop: false }`
[INFO] [stdout] cc7642567f2f96c345fb5de13e1e4531e9d58f345d4a8d5c2a3f42daa8526677