[INFO] fetching crate rustimization 0.1.1...
[INFO] checking rustimization-0.1.1 against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] extracting crate rustimization 0.1.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate rustimization 0.1.1 on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustimization 0.1.1
[INFO] finished tweaking crates.io crate rustimization 0.1.1
[INFO] tweaked toml for crates.io crate rustimization 0.1.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce6780f5ed00e64883904e369ea6347658536d197affe9b83d146db755f5aeb7
[INFO] running `Command { std: "docker" "start" "-a" "ce6780f5ed00e64883904e369ea6347658536d197affe9b83d146db755f5aeb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce6780f5ed00e64883904e369ea6347658536d197affe9b83d146db755f5aeb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce6780f5ed00e64883904e369ea6347658536d197affe9b83d146db755f5aeb7", kill_on_drop: false }`
[INFO] [stdout] ce6780f5ed00e64883904e369ea6347658536d197affe9b83d146db755f5aeb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6a5d668cb5296608f0b867d864cd0dd94f5ee969f2d02a99a5c312578bd43bd
[INFO] running `Command { std: "docker" "start" "-a" "a6a5d668cb5296608f0b867d864cd0dd94f5ee969f2d02a99a5c312578bd43bd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lbfgsb-sys v0.1.0
[INFO] [stderr]    Compiling cg-sys v0.1.0
[INFO] [stderr]     Checking rustimization v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lbfgsb_minimizer.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 |     f:&'a Fn(&Vec<c_double>)->c_double,
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<c_double>)->c_double`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lbfgsb_minimizer.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 |     g:&'a Fn(&Vec<c_double>)->Vec<c_double>,
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<c_double>)->Vec<c_double>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lbfgsb_minimizer.rs:28:52
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn new(xvec:&'a mut Vec<c_double>,func:&'a Fn(&Vec<c_double>)->c_double,gd:&'a Fn(&Vec<c_double>)->Vec<c_double>)->Self{
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<c_double>)->c_double`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lbfgsb_minimizer.rs:28:88
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn new(xvec:&'a mut Vec<c_double>,func:&'a Fn(&Vec<c_double>)->c_double,gd:&'a Fn(&Vec<c_double>)->Vec<c_double>)->Self{
[INFO] [stdout]    |                                                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<c_double>)->Vec<c_double>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/cg_minimizer.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 |     f:&'a Fn(&Vec<c_double>)->c_double,
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<c_double>)->c_double`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/cg_minimizer.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 |     g:&'a Fn(&Vec<c_double>)->Vec<c_double>,
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<c_double>)->Vec<c_double>`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cg_minimizer.rs:21:52
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn new(xvec:&'a mut Vec<c_double>,func:&'a Fn(&Vec<c_double>)->c_double,gd:&'a Fn(&Vec<c_double>)->Vec<c_double>)->Self{
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<c_double>)->c_double`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cg_minimizer.rs:21:88
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn new(xvec:&'a mut Vec<c_double>,func:&'a Fn(&Vec<c_double>)->c_double,gd:&'a Fn(&Vec<c_double>)->Vec<c_double>)->Self{
[INFO] [stdout]    |                                                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<c_double>)->Vec<c_double>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/minimizer.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 |     f:&'a Fn(&Vec<f64>)->f64,
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<f64>)->f64`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/minimizer.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 |     g:&'a Fn(&Vec<f64>)->Vec<f64>,
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<f64>)->Vec<f64>`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/minimizer.rs:14:47
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(xvec:&'a mut Vec<f64>,func:&'a Fn(&Vec<f64>)->f64,gd:&'a Fn(&Vec<f64>)->Vec<f64>,m:&'a str)->Self{
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<f64>)->f64`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/minimizer.rs:14:73
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(xvec:&'a mut Vec<f64>,func:&'a Fn(&Vec<f64>)->f64,gd:&'a Fn(&Vec<f64>)->Vec<f64>,m:&'a str)->Self{
[INFO] [stdout]    |                                                                         ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<f64>)->Vec<f64>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lbfgsb_minimizer.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 |     f:&'a Fn(&Vec<c_double>)->c_double,
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<c_double>)->c_double`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lbfgsb_minimizer.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 |     g:&'a Fn(&Vec<c_double>)->Vec<c_double>,
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<c_double>)->Vec<c_double>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lbfgsb_minimizer.rs:28:52
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn new(xvec:&'a mut Vec<c_double>,func:&'a Fn(&Vec<c_double>)->c_double,gd:&'a Fn(&Vec<c_double>)->Vec<c_double>)->Self{
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<c_double>)->c_double`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lbfgsb_minimizer.rs:28:88
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn new(xvec:&'a mut Vec<c_double>,func:&'a Fn(&Vec<c_double>)->c_double,gd:&'a Fn(&Vec<c_double>)->Vec<c_double>)->Self{
[INFO] [stdout]    |                                                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<c_double>)->Vec<c_double>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/cg_minimizer.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 |     f:&'a Fn(&Vec<c_double>)->c_double,
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<c_double>)->c_double`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/cg_minimizer.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 |     g:&'a Fn(&Vec<c_double>)->Vec<c_double>,
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<c_double>)->Vec<c_double>`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cg_minimizer.rs:21:52
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn new(xvec:&'a mut Vec<c_double>,func:&'a Fn(&Vec<c_double>)->c_double,gd:&'a Fn(&Vec<c_double>)->Vec<c_double>)->Self{
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<c_double>)->c_double`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cg_minimizer.rs:21:88
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn new(xvec:&'a mut Vec<c_double>,func:&'a Fn(&Vec<c_double>)->c_double,gd:&'a Fn(&Vec<c_double>)->Vec<c_double>)->Self{
[INFO] [stdout]    |                                                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<c_double>)->Vec<c_double>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/minimizer.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 |     f:&'a Fn(&Vec<f64>)->f64,
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<f64>)->f64`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/minimizer.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 |     g:&'a Fn(&Vec<f64>)->Vec<f64>,
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<f64>)->Vec<f64>`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/minimizer.rs:14:47
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(xvec:&'a mut Vec<f64>,func:&'a Fn(&Vec<f64>)->f64,gd:&'a Fn(&Vec<f64>)->Vec<f64>,m:&'a str)->Self{
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<f64>)->f64`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/minimizer.rs:14:73
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(xvec:&'a mut Vec<f64>,func:&'a Fn(&Vec<f64>)->f64,gd:&'a Fn(&Vec<f64>)->Vec<f64>,m:&'a str)->Self{
[INFO] [stdout]    |                                                                         ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<f64>)->Vec<f64>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.14s
[INFO] running `Command { std: "docker" "inspect" "a6a5d668cb5296608f0b867d864cd0dd94f5ee969f2d02a99a5c312578bd43bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6a5d668cb5296608f0b867d864cd0dd94f5ee969f2d02a99a5c312578bd43bd", kill_on_drop: false }`
[INFO] [stdout] a6a5d668cb5296608f0b867d864cd0dd94f5ee969f2d02a99a5c312578bd43bd