[INFO] cloning repository https://github.com/yati-sagade/autodiff-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yati-sagade/autodiff-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyati-sagade%2Fautodiff-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyati-sagade%2Fautodiff-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 22b0219c94ef5fe8bd0c16bd72518a0c5ad3bd1f
[INFO] testing yati-sagade/autodiff-rust against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyati-sagade%2Fautodiff-rust" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yati-sagade/autodiff-rust on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yati-sagade/autodiff-rust
[INFO] finished tweaking git repo https://github.com/yati-sagade/autodiff-rust
[INFO] tweaked toml for git repo https://github.com/yati-sagade/autodiff-rust written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/yati-sagade/autodiff-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8bf2e82f1c15054c853e5194dabd178a5989277a67af8df9ea132e731448045a
[INFO] running `Command { std: "docker" "start" "-a" "8bf2e82f1c15054c853e5194dabd178a5989277a67af8df9ea132e731448045a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bf2e82f1c15054c853e5194dabd178a5989277a67af8df9ea132e731448045a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bf2e82f1c15054c853e5194dabd178a5989277a67af8df9ea132e731448045a", kill_on_drop: false }`
[INFO] [stdout] 8bf2e82f1c15054c853e5194dabd178a5989277a67af8df9ea132e731448045a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60c6b20f07bb495bde81c1b4f710987979866c195d5dddcf5d86e83850430ec2
[INFO] running `Command { std: "docker" "start" "-a" "60c6b20f07bb495bde81c1b4f710987979866c195d5dddcf5d86e83850430ec2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-traits v0.1.37
[INFO] [stderr]    Compiling libc v0.2.21
[INFO] [stderr]    Compiling rustc-serialize v0.3.23
[INFO] [stderr]    Compiling gnuplot v0.0.22
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling num-integer v0.1.33
[INFO] [stderr]    Compiling num-iter v0.1.33
[INFO] [stderr]    Compiling num-bigint v0.1.37
[INFO] [stderr]    Compiling num-complex v0.1.36
[INFO] [stderr]    Compiling num-rational v0.1.36
[INFO] [stderr]    Compiling num v0.1.37
[INFO] [stderr]    Compiling autodiff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `assert_almost_equal`
[INFO] [stdout]   --> src/lib.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 11 | macro_rules! assert_almost_equal {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Write`, `self`
[INFO] [stdout]  --> src/main.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::{self,Write};
[INFO] [stdout]   |               ^^^^ ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LegendOption`
[INFO] [stdout]  --> src/main.rs:8:39
[INFO] [stdout]   |
[INFO] [stdout] 8 | use gnuplot::{Figure, Caption, Color, LegendOption, Coordinate};
[INFO] [stdout]   |                                       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f_m`
[INFO] [stdout]   --> src/main.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |     let f_m: T = From::from(1.5f64); // Hz
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_f_m`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fm`
[INFO] [stdout]   --> src/main.rs:92:4
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn fm<T>(t: T) -> T where T: Float + From<f64> {
[INFO] [stdout]    |    ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `A_c` should have a snake case name
[INFO] [stdout]   --> src/main.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |     let A_c: T = From::from(5f64);
[INFO] [stdout]    |         ^^^ help: convert the identifier to snake case: `a_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `A_m` should have a snake case name
[INFO] [stdout]   --> src/main.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |     let A_m: T = From::from(2f64);
[INFO] [stdout]    |         ^^^ help: convert the identifier to snake case: `a_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.91s
[INFO] running `Command { std: "docker" "inspect" "60c6b20f07bb495bde81c1b4f710987979866c195d5dddcf5d86e83850430ec2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60c6b20f07bb495bde81c1b4f710987979866c195d5dddcf5d86e83850430ec2", kill_on_drop: false }`
[INFO] [stdout] 60c6b20f07bb495bde81c1b4f710987979866c195d5dddcf5d86e83850430ec2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba7dde4c4ea7f88fa5a3d6bbce7b32c2d4ecbe0836bbdcfd0809acf240be232d
[INFO] running `Command { std: "docker" "start" "-a" "ba7dde4c4ea7f88fa5a3d6bbce7b32c2d4ecbe0836bbdcfd0809acf240be232d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: unused macro definition: `assert_almost_equal`
[INFO] [stdout]   --> src/lib.rs:11:14
[INFO] [stdout]    |
[INFO] [stdout] 11 | macro_rules! assert_almost_equal {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling autodiff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Write`, `self`
[INFO] [stdout]  --> src/main.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::{self,Write};
[INFO] [stdout]   |               ^^^^ ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LegendOption`
[INFO] [stdout]  --> src/main.rs:8:39
[INFO] [stdout]   |
[INFO] [stdout] 8 | use gnuplot::{Figure, Caption, Color, LegendOption, Coordinate};
[INFO] [stdout]   |                                       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f_m`
[INFO] [stdout]   --> src/main.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |     let f_m: T = From::from(1.5f64); // Hz
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_f_m`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fm`
[INFO] [stdout]   --> src/main.rs:92:4
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn fm<T>(t: T) -> T where T: Float + From<f64> {
[INFO] [stdout]    |    ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `A_c` should have a snake case name
[INFO] [stdout]   --> src/main.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |     let A_c: T = From::from(5f64);
[INFO] [stdout]    |         ^^^ help: convert the identifier to snake case: `a_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `A_m` should have a snake case name
[INFO] [stdout]   --> src/main.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |     let A_m: T = From::from(2f64);
[INFO] [stdout]    |         ^^^ help: convert the identifier to snake case: `a_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:14:20
[INFO] [stdout]     |
[INFO] [stdout] 14  |             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 398 |             assert_almost_equal!(adval.val(), fval);
[INFO] [stdout]     |             --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in the macro `assert_almost_equal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 14  -             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stdout] 14  +             panic!("left: {}, right: {} <- not almost the same.", $a, $b);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:14:20
[INFO] [stdout]     |
[INFO] [stdout] 14  |             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 399 |             assert_almost_equal!(adval.dval(), dval);
[INFO] [stdout]     |             ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in the macro `assert_almost_equal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 14  -             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stdout] 14  +             panic!("left: {}, right: {} <- not almost the same.", $a, $b);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:14:20
[INFO] [stdout]     |
[INFO] [stdout] 14  |             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 421 |             assert_almost_equal!(adval.val(), fval);
[INFO] [stdout]     |             --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in the macro `assert_almost_equal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 14  -             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stdout] 14  +             panic!("left: {}, right: {} <- not almost the same.", $a, $b);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:14:20
[INFO] [stdout]     |
[INFO] [stdout] 14  |             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 422 |             assert_almost_equal!(adval.dval(), dval);
[INFO] [stdout]     |             ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in the macro `assert_almost_equal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 14  -             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stdout] 14  +             panic!("left: {}, right: {} <- not almost the same.", $a, $b);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:14:20
[INFO] [stdout]     |
[INFO] [stdout] 14  |             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 444 |             assert_almost_equal!(adval.val(), fval);
[INFO] [stdout]     |             --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in the macro `assert_almost_equal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 14  -             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stdout] 14  +             panic!("left: {}, right: {} <- not almost the same.", $a, $b);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:14:20
[INFO] [stdout]     |
[INFO] [stdout] 14  |             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 445 |             assert_almost_equal!(adval.dval(), dval);
[INFO] [stdout]     |             ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in the macro `assert_almost_equal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 14  -             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stdout] 14  +             panic!("left: {}, right: {} <- not almost the same.", $a, $b);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:14:20
[INFO] [stdout]     |
[INFO] [stdout] 14  |             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 469 |             assert_almost_equal!(adval.val(), fval);
[INFO] [stdout]     |             --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in the macro `assert_almost_equal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 14  -             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stdout] 14  +             panic!("left: {}, right: {} <- not almost the same.", $a, $b);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:14:20
[INFO] [stdout]     |
[INFO] [stdout] 14  |             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 470 |             assert_almost_equal!(adval.dval(), dval);
[INFO] [stdout]     |             ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in the macro `assert_almost_equal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 14  -             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stdout] 14  +             panic!("left: {}, right: {} <- not almost the same.", $a, $b);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:14:20
[INFO] [stdout]     |
[INFO] [stdout] 14  |             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 495 |             assert_almost_equal!(adval.val(), fval);
[INFO] [stdout]     |             --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in the macro `assert_almost_equal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 14  -             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stdout] 14  +             panic!("left: {}, right: {} <- not almost the same.", $a, $b);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:14:20
[INFO] [stdout]     |
[INFO] [stdout] 14  |             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 496 |             assert_almost_equal!(adval.dval(), dval);
[INFO] [stdout]     |             ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in the macro `assert_almost_equal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 14  -             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stdout] 14  +             panic!("left: {}, right: {} <- not almost the same.", $a, $b);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:14:20
[INFO] [stdout]     |
[INFO] [stdout] 14  |             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 519 |             assert_almost_equal!(adval.val(), fval);
[INFO] [stdout]     |             --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in the macro `assert_almost_equal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 14  -             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stdout] 14  +             panic!("left: {}, right: {} <- not almost the same.", $a, $b);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:14:20
[INFO] [stdout]     |
[INFO] [stdout] 14  |             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 520 |             assert_almost_equal!(adval.dval(), dval);
[INFO] [stdout]     |             ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in the macro `assert_almost_equal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 14  -             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stdout] 14  +             panic!("left: {}, right: {} <- not almost the same.", $a, $b);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:14:20
[INFO] [stdout]     |
[INFO] [stdout] 14  |             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 541 |             assert_almost_equal!(adval.val(), fval);
[INFO] [stdout]     |             --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in the macro `assert_almost_equal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 14  -             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stdout] 14  +             panic!("left: {}, right: {} <- not almost the same.", $a, $b);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:14:20
[INFO] [stdout]     |
[INFO] [stdout] 14  |             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 542 |             assert_almost_equal!(adval.dval(), dval);
[INFO] [stdout]     |             ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in the macro `assert_almost_equal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 14  -             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stdout] 14  +             panic!("left: {}, right: {} <- not almost the same.", $a, $b);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:14:20
[INFO] [stdout]     |
[INFO] [stdout] 14  |             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 571 |             assert_almost_equal!(adval.val(), fval);
[INFO] [stdout]     |             --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in the macro `assert_almost_equal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 14  -             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stdout] 14  +             panic!("left: {}, right: {} <- not almost the same.", $a, $b);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:14:20
[INFO] [stdout]     |
[INFO] [stdout] 14  |             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 572 |             assert_almost_equal!(adval.dval(), dval);
[INFO] [stdout]     |             ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in the macro `assert_almost_equal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 14  -             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stdout] 14  +             panic!("left: {}, right: {} <- not almost the same.", $a, $b);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:14:20
[INFO] [stdout]     |
[INFO] [stdout] 14  |             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 599 |             assert_almost_equal!(adval.val(), fval);
[INFO] [stdout]     |             --------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in the macro `assert_almost_equal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 14  -             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stdout] 14  +             panic!("left: {}, right: {} <- not almost the same.", $a, $b);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:14:20
[INFO] [stdout]     |
[INFO] [stdout] 14  |             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 600 |             assert_almost_equal!(adval.dval(), dval);
[INFO] [stdout]     |             ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in the macro `assert_almost_equal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 14  -             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stdout] 14  +             panic!("left: {}, right: {} <- not almost the same.", $a, $b);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.94s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/autodiff-ab55e3142f565525)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/autodiff-7804802c14e008f6)
[INFO] running `Command { std: "docker" "inspect" "ba7dde4c4ea7f88fa5a3d6bbce7b32c2d4ecbe0836bbdcfd0809acf240be232d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba7dde4c4ea7f88fa5a3d6bbce7b32c2d4ecbe0836bbdcfd0809acf240be232d", kill_on_drop: false }`
[INFO] [stdout] ba7dde4c4ea7f88fa5a3d6bbce7b32c2d4ecbe0836bbdcfd0809acf240be232d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eac5579a89d699037aaef30b48b00f16a49a93e8db5d2d8450a2cdececf7ec4a
[INFO] running `Command { std: "docker" "start" "-a" "eac5579a89d699037aaef30b48b00f16a49a93e8db5d2d8450a2cdececf7ec4a", kill_on_drop: false }`
[INFO] [stderr] warning: unused macro definition: `assert_almost_equal`
[INFO] [stderr]   --> src/lib.rs:11:14
[INFO] [stderr]    |
[INFO] [stderr] 11 | macro_rules! assert_almost_equal {
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/lib.rs:14:20
[INFO] [stderr]     |
[INFO] [stderr] 14  |             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 398 |             assert_almost_equal!(adval.val(), fval);
[INFO] [stderr]     |             --------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr]     = note: this warning originates in the macro `assert_almost_equal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 14  -             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stderr] 14  +             panic!("left: {}, right: {} <- not almost the same.", $a, $b);
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/lib.rs:14:20
[INFO] [stderr]     |
[INFO] [stderr] 14  |             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 399 |             assert_almost_equal!(adval.dval(), dval);
[INFO] [stderr]     |             ---------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr]     = note: this warning originates in the macro `assert_almost_equal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 14  -             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stderr] 14  +             panic!("left: {}, right: {} <- not almost the same.", $a, $b);
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/lib.rs:14:20
[INFO] [stderr]     |
[INFO] [stderr] 14  |             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 421 |             assert_almost_equal!(adval.val(), fval);
[INFO] [stderr]     |             --------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr]     = note: this warning originates in the macro `assert_almost_equal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 14  -             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stderr] 14  +             panic!("left: {}, right: {} <- not almost the same.", $a, $b);
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/lib.rs:14:20
[INFO] [stderr]     |
[INFO] [stderr] 14  |             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 422 |             assert_almost_equal!(adval.dval(), dval);
[INFO] [stderr]     |             ---------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr]     = note: this warning originates in the macro `assert_almost_equal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 14  -             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stderr] 14  +             panic!("left: {}, right: {} <- not almost the same.", $a, $b);
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/lib.rs:14:20
[INFO] [stderr]     |
[INFO] [stderr] 14  |             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 444 |             assert_almost_equal!(adval.val(), fval);
[INFO] [stderr]     |             --------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr]     = note: this warning originates in the macro `assert_almost_equal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 14  -             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stderr] 14  +             panic!("left: {}, right: {} <- not almost the same.", $a, $b);
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/lib.rs:14:20
[INFO] [stderr]     |
[INFO] [stderr] 14  |             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 445 |             assert_almost_equal!(adval.dval(), dval);
[INFO] [stderr]     |             ---------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr]     = note: this warning originates in the macro `assert_almost_equal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 14  -             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stderr] 14  +             panic!("left: {}, right: {} <- not almost the same.", $a, $b);
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/lib.rs:14:20
[INFO] [stderr]     |
[INFO] [stderr] 14  |             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 469 |             assert_almost_equal!(adval.val(), fval);
[INFO] [stderr]     |             --------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr]     = note: this warning originates in the macro `assert_almost_equal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 14  -             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stderr] 14  +             panic!("left: {}, right: {} <- not almost the same.", $a, $b);
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/lib.rs:14:20
[INFO] [stderr]     |
[INFO] [stderr] 14  |             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 470 |             assert_almost_equal!(adval.dval(), dval);
[INFO] [stderr]     |             ---------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr]     = note: this warning originates in the macro `assert_almost_equal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 14  -             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stderr] 14  +             panic!("left: {}, right: {} <- not almost the same.", $a, $b);
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/lib.rs:14:20
[INFO] [stderr]     |
[INFO] [stderr] 14  |             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 495 |             assert_almost_equal!(adval.val(), fval);
[INFO] [stderr]     |             --------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr]     = note: this warning originates in the macro `assert_almost_equal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 14  -             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stderr] 14  +             panic!("left: {}, right: {} <- not almost the same.", $a, $b);
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/lib.rs:14:20
[INFO] [stderr]     |
[INFO] [stderr] 14  |             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 496 |             assert_almost_equal!(adval.dval(), dval);
[INFO] [stderr]     |             ---------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr]     = note: this warning originates in the macro `assert_almost_equal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 14  -             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stderr] 14  +             panic!("left: {}, right: {} <- not almost the same.", $a, $b);
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/lib.rs:14:20
[INFO] [stderr]     |
[INFO] [stderr] 14  |             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 519 |             assert_almost_equal!(adval.val(), fval);
[INFO] [stderr]     |             --------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr]     = note: this warning originates in the macro `assert_almost_equal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 14  -             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stderr] 14  +             panic!("left: {}, right: {} <- not almost the same.", $a, $b);
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/lib.rs:14:20
[INFO] [stderr]     |
[INFO] [stderr] 14  |             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 520 |             assert_almost_equal!(adval.dval(), dval);
[INFO] [stderr]     |             ---------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr]     = note: this warning originates in the macro `assert_almost_equal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 14  -             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stderr] 14  +             panic!("left: {}, right: {} <- not almost the same.", $a, $b);
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/lib.rs:14:20
[INFO] [stderr]     |
[INFO] [stderr] 14  |             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 541 |             assert_almost_equal!(adval.val(), fval);
[INFO] [stderr]     |             --------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr]     = note: this warning originates in the macro `assert_almost_equal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 14  -             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stderr] 14  +             panic!("left: {}, right: {} <- not almost the same.", $a, $b);
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/lib.rs:14:20
[INFO] [stderr]     |
[INFO] [stderr] 14  |             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 542 |             assert_almost_equal!(adval.dval(), dval);
[INFO] [stderr]     |             ---------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr]     = note: this warning originates in the macro `assert_almost_equal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 14  -             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stderr] 14  +             panic!("left: {}, right: {} <- not almost the same.", $a, $b);
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/lib.rs:14:20
[INFO] [stderr]     |
[INFO] [stderr] 14  |             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 571 |             assert_almost_equal!(adval.val(), fval);
[INFO] [stderr]     |             --------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr]     = note: this warning originates in the macro `assert_almost_equal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 14  -             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stderr] 14  +             panic!("left: {}, right: {} <- not almost the same.", $a, $b);
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/lib.rs:14:20
[INFO] [stderr]     |
[INFO] [stderr] 14  |             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 572 |             assert_almost_equal!(adval.dval(), dval);
[INFO] [stderr]     |             ---------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr]     = note: this warning originates in the macro `assert_almost_equal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 14  -             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stderr] 14  +             panic!("left: {}, right: {} <- not almost the same.", $a, $b);
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/lib.rs:14:20
[INFO] [stderr]     |
[INFO] [stderr] 14  |             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 599 |             assert_almost_equal!(adval.val(), fval);
[INFO] [stderr]     |             --------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr]     = note: this warning originates in the macro `assert_almost_equal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 14  -             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stderr] 14  +             panic!("left: {}, right: {} <- not almost the same.", $a, $b);
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/lib.rs:14:20
[INFO] [stderr]     |
[INFO] [stderr] 14  |             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 600 |             assert_almost_equal!(adval.dval(), dval);
[INFO] [stderr]     |             ---------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr]     = note: this warning originates in the macro `assert_almost_equal` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 14  -             panic!(format!("left: {}, right: {} <- not almost the same.", $a, $b));
[INFO] [stderr] 14  +             panic!("left: {}, right: {} <- not almost the same.", $a, $b);
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: `autodiff` (lib) generated 1 warning
[INFO] [stderr] warning: `autodiff` (lib test) generated 18 warnings
[INFO] [stderr] warning: unused imports: `Write`, `self`
[INFO] [stderr]  --> src/main.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::{self,Write};
[INFO] [stderr]   |               ^^^^ ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `LegendOption`
[INFO] [stderr]  --> src/main.rs:8:39
[INFO] [stderr]   |
[INFO] [stderr] 8 | use gnuplot::{Figure, Caption, Color, LegendOption, Coordinate};
[INFO] [stderr]   |                                       ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f_m`
[INFO] [stderr]   --> src/main.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |     let f_m: T = From::from(1.5f64); // Hz
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_f_m`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fm`
[INFO] [stderr]   --> src/main.rs:92:4
[INFO] [stderr]    |
[INFO] [stderr] 92 | fn fm<T>(t: T) -> T where T: Float + From<f64> {
[INFO] [stderr]    |    ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `A_c` should have a snake case name
[INFO] [stderr]   --> src/main.rs:93:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |     let A_c: T = From::from(5f64);
[INFO] [stderr]    |         ^^^ help: convert the identifier to snake case: `a_c`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `A_m` should have a snake case name
[INFO] [stderr]   --> src/main.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |     let A_m: T = From::from(2f64);
[INFO] [stderr]    |         ^^^ help: convert the identifier to snake case: `a_m`
[INFO] [stderr] 
[INFO] [stderr] warning: `autodiff` (bin "autodiff" test) generated 6 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/autodiff-ab55e3142f565525)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::test_addition_with_const ... ok
[INFO] [stdout] test tests::test_division ... ok
[INFO] [stdout] test tests::test_mul ... ok
[INFO] [stdout] test tests::test_mul_with_autodiff ... ok
[INFO] [stdout] test tests::test_powi ... ok
[INFO] [stdout] test tests::test_self_derivation ... ok
[INFO] [stdout] test tests::test_simple_expr ... ok
[INFO] [stdout] test tests::test_simplest_division ... ok
[INFO] [stdout] test tests::test_simplest_division_v2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/autodiff-7804802c14e008f6)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests autodiff
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "eac5579a89d699037aaef30b48b00f16a49a93e8db5d2d8450a2cdececf7ec4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eac5579a89d699037aaef30b48b00f16a49a93e8db5d2d8450a2cdececf7ec4a", kill_on_drop: false }`
[INFO] [stdout] eac5579a89d699037aaef30b48b00f16a49a93e8db5d2d8450a2cdececf7ec4a