[INFO] updating cached repository https://github.com/rainerru/math
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b4e0f50f8dc5efe8feda4312c290ec0ca9bd64b8
[INFO] testing rainerru/math against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frainerru%2Fmath" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rainerru/math on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/rainerru/math
[INFO] finished tweaking git repo https://github.com/rainerru/math
[INFO] tweaked toml for git repo https://github.com/rainerru/math written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/rainerru/math already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stdout] 1f30b3a863fb0fb411c7a49580a7b866374c57c3de85253f35ffc756a9354e3f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "1f30b3a863fb0fb411c7a49580a7b866374c57c3de85253f35ffc756a9354e3f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling math v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/integration/mod.rs:4:31
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn integrate_simple ( f: &Fn(f64) -> f64 , a: f64, b: f64, n: u32 ) -> f64
[INFO] [stderr]   |                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/integration/mod.rs:20:32
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub fn integrate_simpson ( f: &Fn(f64) -> f64 , a: f64, b: f64 ) -> f64
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/integration/mod.rs:37:34
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub fn integrate_simpson_n ( f: &Fn(f64) -> f64 , a: f64, b: f64, n: u32 ) -> f64
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/integration/mod.rs:4:31
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn integrate_simple ( f: &Fn(f64) -> f64 , a: f64, b: f64, n: u32 ) -> f64
[INFO] [stderr]   |                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/integration/mod.rs:20:32
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub fn integrate_simpson ( f: &Fn(f64) -> f64 , a: f64, b: f64 ) -> f64
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/integration/mod.rs:37:34
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub fn integrate_simpson_n ( f: &Fn(f64) -> f64 , a: f64, b: f64, n: u32 ) -> f64
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `"docker" "inspect" "1f30b3a863fb0fb411c7a49580a7b866374c57c3de85253f35ffc756a9354e3f"`
[INFO] running `"docker" "rm" "-f" "1f30b3a863fb0fb411c7a49580a7b866374c57c3de85253f35ffc756a9354e3f"`
[INFO] [stdout] 1f30b3a863fb0fb411c7a49580a7b866374c57c3de85253f35ffc756a9354e3f
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 824f786aa9b60664183a2a84fe1d89936c484feae35e6d392190805f8732bea9
[INFO] running `"docker" "start" "-a" "824f786aa9b60664183a2a84fe1d89936c484feae35e6d392190805f8732bea9"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling math v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/integration/mod.rs:4:31
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn integrate_simple ( f: &Fn(f64) -> f64 , a: f64, b: f64, n: u32 ) -> f64
[INFO] [stderr]   |                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/integration/mod.rs:20:32
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub fn integrate_simpson ( f: &Fn(f64) -> f64 , a: f64, b: f64 ) -> f64
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/integration/mod.rs:37:34
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub fn integrate_simpson_n ( f: &Fn(f64) -> f64 , a: f64, b: f64, n: u32 ) -> f64
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/integration/mod.rs:4:31
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn integrate_simple ( f: &Fn(f64) -> f64 , a: f64, b: f64, n: u32 ) -> f64
[INFO] [stderr]   |                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/integration/mod.rs:20:32
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub fn integrate_simpson ( f: &Fn(f64) -> f64 , a: f64, b: f64 ) -> f64
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/integration/mod.rs:37:34
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub fn integrate_simpson_n ( f: &Fn(f64) -> f64 , a: f64, b: f64, n: u32 ) -> f64
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/some_test.rs:18:20
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let pool: Vec<fn(&Fn(f64) -> f64 , f64, f64, u32 ) -> f64>
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/integration/mod.rs:4:31
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn integrate_simple ( f: &Fn(f64) -> f64 , a: f64, b: f64, n: u32 ) -> f64
[INFO] [stderr]   |                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/integration/mod.rs:20:32
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub fn integrate_simpson ( f: &Fn(f64) -> f64 , a: f64, b: f64 ) -> f64
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/integration/mod.rs:37:34
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub fn integrate_simpson_n ( f: &Fn(f64) -> f64 , a: f64, b: f64, n: u32 ) -> f64
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/integration/mod.rs:4:31
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn integrate_simple ( f: &Fn(f64) -> f64 , a: f64, b: f64, n: u32 ) -> f64
[INFO] [stderr]   |                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/integration/mod.rs:20:32
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub fn integrate_simpson ( f: &Fn(f64) -> f64 , a: f64, b: f64 ) -> f64
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/integration/mod.rs:37:34
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub fn integrate_simpson_n ( f: &Fn(f64) -> f64 , a: f64, b: f64, n: u32 ) -> f64
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `"docker" "inspect" "824f786aa9b60664183a2a84fe1d89936c484feae35e6d392190805f8732bea9"`
[INFO] running `"docker" "rm" "-f" "824f786aa9b60664183a2a84fe1d89936c484feae35e6d392190805f8732bea9"`
[INFO] [stdout] 824f786aa9b60664183a2a84fe1d89936c484feae35e6d392190805f8732bea9
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stdout] 7c91530b410b6897a960c471dd3469dccc5dc345b9c138ee8a2d39af37cb2f23
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "7c91530b410b6897a960c471dd3469dccc5dc345b9c138ee8a2d39af37cb2f23"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/integration/mod.rs:4:31
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn integrate_simple ( f: &Fn(f64) -> f64 , a: f64, b: f64, n: u32 ) -> f64
[INFO] [stderr]   |                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/integration/mod.rs:20:32
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub fn integrate_simpson ( f: &Fn(f64) -> f64 , a: f64, b: f64 ) -> f64
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/integration/mod.rs:37:34
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub fn integrate_simpson_n ( f: &Fn(f64) -> f64 , a: f64, b: f64, n: u32 ) -> f64
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/integration/mod.rs:4:31
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn integrate_simple ( f: &Fn(f64) -> f64 , a: f64, b: f64, n: u32 ) -> f64
[INFO] [stderr]   |                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/integration/mod.rs:20:32
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub fn integrate_simpson ( f: &Fn(f64) -> f64 , a: f64, b: f64 ) -> f64
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/integration/mod.rs:37:34
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub fn integrate_simpson_n ( f: &Fn(f64) -> f64 , a: f64, b: f64, n: u32 ) -> f64
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/some_test.rs:18:20
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let pool: Vec<fn(&Fn(f64) -> f64 , f64, f64, u32 ) -> f64>
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/integration/mod.rs:4:31
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn integrate_simple ( f: &Fn(f64) -> f64 , a: f64, b: f64, n: u32 ) -> f64
[INFO] [stderr]   |                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/integration/mod.rs:20:32
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub fn integrate_simpson ( f: &Fn(f64) -> f64 , a: f64, b: f64 ) -> f64
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/integration/mod.rs:37:34
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub fn integrate_simpson_n ( f: &Fn(f64) -> f64 , a: f64, b: f64, n: u32 ) -> f64
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/integration/mod.rs:4:31
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn integrate_simple ( f: &Fn(f64) -> f64 , a: f64, b: f64, n: u32 ) -> f64
[INFO] [stderr]   |                               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/integration/mod.rs:20:32
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub fn integrate_simpson ( f: &Fn(f64) -> f64 , a: f64, b: f64 ) -> f64
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/integration/mod.rs:37:34
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub fn integrate_simpson_n ( f: &Fn(f64) -> f64 , a: f64, b: f64, n: u32 ) -> f64
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/math-039a68f632960fa9
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/math-11413a7ec963b660
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/some_test-da7252b13de4fe7d
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test integrate_simple_tester ... ok
[INFO] [stdout] test multiple_integration_tester ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests math
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "7c91530b410b6897a960c471dd3469dccc5dc345b9c138ee8a2d39af37cb2f23"`
[INFO] running `"docker" "rm" "-f" "7c91530b410b6897a960c471dd3469dccc5dc345b9c138ee8a2d39af37cb2f23"`
[INFO] [stdout] 7c91530b410b6897a960c471dd3469dccc5dc345b9c138ee8a2d39af37cb2f23