[INFO] fetching crate sl-na 0.0.0...
[INFO] building sl-na-0.0.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate sl-na 0.0.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate sl-na 0.0.0
[INFO] finished tweaking crates.io crate sl-na 0.0.0
[INFO] tweaked toml for crates.io crate sl-na 0.0.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sl-na 0.0.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding num-complex v0.1.44 (available: v0.4.6)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] edbf969f1b0a7bae4a0a1d70b14fe780a830feffef2904008399dea1099fbd16
[INFO] running `Command { std: "docker" "start" "-a" "edbf969f1b0a7bae4a0a1d70b14fe780a830feffef2904008399dea1099fbd16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edbf969f1b0a7bae4a0a1d70b14fe780a830feffef2904008399dea1099fbd16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edbf969f1b0a7bae4a0a1d70b14fe780a830feffef2904008399dea1099fbd16", kill_on_drop: false }`
[INFO] [stdout] edbf969f1b0a7bae4a0a1d70b14fe780a830feffef2904008399dea1099fbd16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5bb9e620d3221010287a8b8cd164b4cbf2aa21a6892d42eca5b0d24dea1bc414
[INFO] running `Command { std: "docker" "start" "-a" "5bb9e620d3221010287a8b8cd164b4cbf2aa21a6892d42eca5b0d24dea1bc414", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling num-complex v0.1.44
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling sl-na v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/quad.rs:42:18
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn gauss(f: &Fn(f64)->f64, a: f64, b: f64, n: u32) -> f64 {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn gauss(f: &dyn Fn(f64)->f64, a: f64, b: f64, n: u32) -> f64 {
[INFO] [stdout]    |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/quad.rs:57:26
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub fn gauss_complex(f: &Fn(f64)->c64, a: f64, b: f64, n: u32) -> c64 {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub fn gauss_complex(f: &dyn Fn(f64)->c64, a: f64, b: f64, n: u32) -> c64 {
[INFO] [stdout]    |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/diff.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn diff(f: &Fn(f64)->f64, x: f64, h: f64) -> f64 {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn diff(f: &dyn Fn(f64)->f64, x: f64, h: f64) -> f64 {
[INFO] [stdout]   |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/interpolation.rs:4:55
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn pli_eq(x0: f64, dx: f64, y: Box<[f64]>) -> Box<Fn(f64)->f64> {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn pli_eq(x0: f64, dx: f64, y: Box<[f64]>) -> Box<dyn Fn(f64)->f64> {
[INFO] [stdout]   |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/diff.rs:7:26
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn diffn(n: u32, f: &Fn(f64)->f64, x: f64, h: f64) -> f64 {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn diffn(n: u32, f: &dyn Fn(f64)->f64, x: f64, h: f64) -> f64 {
[INFO] [stdout]   |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/ode.rs:6:21
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn euler(g: Box<Fn(f64,f64)->f64>, x0: f64, y0: f64, h: f64, m: usize, n: usize)
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn euler(g: Box<dyn Fn(f64,f64)->f64>, x0: f64, y0: f64, h: f64, m: usize, n: usize)
[INFO] [stdout]   |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/ode.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 |   -> Box<Fn(f64)->f64>
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 7 |   -> Box<dyn Fn(f64)->f64>
[INFO] [stdout]   |          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.35s
[INFO] running `Command { std: "docker" "inspect" "5bb9e620d3221010287a8b8cd164b4cbf2aa21a6892d42eca5b0d24dea1bc414", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bb9e620d3221010287a8b8cd164b4cbf2aa21a6892d42eca5b0d24dea1bc414", kill_on_drop: false }`
[INFO] [stdout] 5bb9e620d3221010287a8b8cd164b4cbf2aa21a6892d42eca5b0d24dea1bc414
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c1db5ca07fe548018cab25970966092909769b7b87d678d200feb7c43a9a018
[INFO] running `Command { std: "docker" "start" "-a" "5c1db5ca07fe548018cab25970966092909769b7b87d678d200feb7c43a9a018", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling sl-na v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/quad.rs:42:18
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn gauss(f: &Fn(f64)->f64, a: f64, b: f64, n: u32) -> f64 {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn gauss(f: &dyn Fn(f64)->f64, a: f64, b: f64, n: u32) -> f64 {
[INFO] [stdout]    |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/quad.rs:57:26
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub fn gauss_complex(f: &Fn(f64)->c64, a: f64, b: f64, n: u32) -> c64 {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub fn gauss_complex(f: &dyn Fn(f64)->c64, a: f64, b: f64, n: u32) -> c64 {
[INFO] [stdout]    |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/diff.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn diff(f: &Fn(f64)->f64, x: f64, h: f64) -> f64 {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn diff(f: &dyn Fn(f64)->f64, x: f64, h: f64) -> f64 {
[INFO] [stdout]   |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/interpolation.rs:4:55
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn pli_eq(x0: f64, dx: f64, y: Box<[f64]>) -> Box<Fn(f64)->f64> {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn pli_eq(x0: f64, dx: f64, y: Box<[f64]>) -> Box<dyn Fn(f64)->f64> {
[INFO] [stdout]   |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/diff.rs:7:26
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn diffn(n: u32, f: &Fn(f64)->f64, x: f64, h: f64) -> f64 {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn diffn(n: u32, f: &dyn Fn(f64)->f64, x: f64, h: f64) -> f64 {
[INFO] [stdout]   |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/ode.rs:6:21
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn euler(g: Box<Fn(f64,f64)->f64>, x0: f64, y0: f64, h: f64, m: usize, n: usize)
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn euler(g: Box<dyn Fn(f64,f64)->f64>, x0: f64, y0: f64, h: f64, m: usize, n: usize)
[INFO] [stdout]   |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/ode.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 |   -> Box<Fn(f64)->f64>
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 7 |   -> Box<dyn Fn(f64)->f64>
[INFO] [stdout]   |          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/quad.rs:42:18
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn gauss(f: &Fn(f64)->f64, a: f64, b: f64, n: u32) -> f64 {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn gauss(f: &dyn Fn(f64)->f64, a: f64, b: f64, n: u32) -> f64 {
[INFO] [stdout]    |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/quad.rs:57:26
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub fn gauss_complex(f: &Fn(f64)->c64, a: f64, b: f64, n: u32) -> c64 {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub fn gauss_complex(f: &dyn Fn(f64)->c64, a: f64, b: f64, n: u32) -> c64 {
[INFO] [stdout]    |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/diff.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn diff(f: &Fn(f64)->f64, x: f64, h: f64) -> f64 {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn diff(f: &dyn Fn(f64)->f64, x: f64, h: f64) -> f64 {
[INFO] [stdout]   |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/diff.rs:7:26
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn diffn(n: u32, f: &Fn(f64)->f64, x: f64, h: f64) -> f64 {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn diffn(n: u32, f: &dyn Fn(f64)->f64, x: f64, h: f64) -> f64 {
[INFO] [stdout]   |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/interpolation.rs:4:55
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn pli_eq(x0: f64, dx: f64, y: Box<[f64]>) -> Box<Fn(f64)->f64> {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn pli_eq(x0: f64, dx: f64, y: Box<[f64]>) -> Box<dyn Fn(f64)->f64> {
[INFO] [stdout]   |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/ode.rs:6:21
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn euler(g: Box<Fn(f64,f64)->f64>, x0: f64, y0: f64, h: f64, m: usize, n: usize)
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn euler(g: Box<dyn Fn(f64,f64)->f64>, x0: f64, y0: f64, h: f64, m: usize, n: usize)
[INFO] [stdout]   |                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/ode.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 |   -> Box<Fn(f64)->f64>
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 7 |   -> Box<dyn Fn(f64)->f64>
[INFO] [stdout]   |          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "5c1db5ca07fe548018cab25970966092909769b7b87d678d200feb7c43a9a018", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c1db5ca07fe548018cab25970966092909769b7b87d678d200feb7c43a9a018", kill_on_drop: false }`
[INFO] [stdout] 5c1db5ca07fe548018cab25970966092909769b7b87d678d200feb7c43a9a018
