[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] checking lanPN85/area-cov against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FlanPN85%2Farea-cov" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lanPN85/area-cov on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-2/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb96a3a69ce5a660769e7752a20ae35e5617980d351566b66466b555bcecc080
[INFO] running `Command { std: "docker" "start" "-a" "cb96a3a69ce5a660769e7752a20ae35e5617980d351566b66466b555bcecc080", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb96a3a69ce5a660769e7752a20ae35e5617980d351566b66466b555bcecc080", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb96a3a69ce5a660769e7752a20ae35e5617980d351566b66466b555bcecc080", kill_on_drop: false }`
[INFO] [stdout] cb96a3a69ce5a660769e7752a20ae35e5617980d351566b66466b555bcecc080
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efe85485bf9298cd39230359307d71d534fee8cd6db9c8494dd32c168c33c364
[INFO] running `Command { std: "docker" "start" "-a" "efe85485bf9298cd39230359307d71d534fee8cd6db9c8494dd32c168c33c364", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.36
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking ansi_term v0.10.2
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking quickersort v3.0.1
[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking clap v2.29.4
[INFO] [stderr]     Checking area_cov v0.2.2 (/opt/rustwide/workdir)
[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]   |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Configuration, &Vec<Point>)->f32`
[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] 
[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]    |                         ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T, &T)->f32`
[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] 
[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]    |                                           ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T, &T)->f32`
[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] 
[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]     |                                                               ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T, &T)->f32`
[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] 
[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]     |                                                                                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T, &T)->f32`
[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] 
[INFO] [stdout] 
[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]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Configuration, &Vec<Point>)->f32`
[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] 
[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]   |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Configuration, &Vec<Point>)->f32`
[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] 
[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]    |                         ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T, &T)->f32`
[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] 
[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]    |                                           ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T, &T)->f32`
[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] 
[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]     |                                                               ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T, &T)->f32`
[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] 
[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]     |                                                                                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T, &T)->f32`
[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] 
[INFO] [stdout] 
[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]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Configuration, &Vec<Point>)->f32`
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.21s
[INFO] running `Command { std: "docker" "inspect" "efe85485bf9298cd39230359307d71d534fee8cd6db9c8494dd32c168c33c364", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efe85485bf9298cd39230359307d71d534fee8cd6db9c8494dd32c168c33c364", kill_on_drop: false }`
[INFO] [stdout] efe85485bf9298cd39230359307d71d534fee8cd6db9c8494dd32c168c33c364