[INFO] fetching crate ferrous 0.1.0...
[INFO] testing ferrous-0.1.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate ferrous 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate ferrous 0.1.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ferrous 0.1.0
[INFO] finished tweaking crates.io crate ferrous 0.1.0
[INFO] tweaked toml for crates.io crate ferrous 0.1.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a1cda4e2c2d7e2ff08f1eb8999ff00d82066434b1ce9a05ad7668462051117e
[INFO] running `Command { std: "docker" "start" "-a" "3a1cda4e2c2d7e2ff08f1eb8999ff00d82066434b1ce9a05ad7668462051117e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a1cda4e2c2d7e2ff08f1eb8999ff00d82066434b1ce9a05ad7668462051117e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a1cda4e2c2d7e2ff08f1eb8999ff00d82066434b1ce9a05ad7668462051117e", kill_on_drop: false }`
[INFO] [stdout] 3a1cda4e2c2d7e2ff08f1eb8999ff00d82066434b1ce9a05ad7668462051117e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51f5b5aa355e5aedcbff8e413e248bd83dd9f65d823ff282ebfaea119b5cade7
[INFO] running `Command { std: "docker" "start" "-a" "51f5b5aa355e5aedcbff8e413e248bd83dd9f65d823ff282ebfaea119b5cade7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling ferrous v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/dsl/assertions.rs:38:15
[INFO] [stdout]    |
[INFO] [stdout] 38 |     func: Box<Fn() -> A>,
[INFO] [stdout]    |               ^^^^^^^^^ help: use `dyn`: `dyn Fn() -> A`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]    --> src/dsl/assertions.rs:123:13
[INFO] [stdout]     |
[INFO] [stdout] 123 |             thread::sleep_ms(self.polling_interval);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]    --> src/dsl/assertions.rs:138:13
[INFO] [stdout]     |
[INFO] [stdout] 138 |             thread::sleep_ms(self.polling_interval);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/dsl/assertions.rs:20:20
[INFO] [stdout]    |
[INFO] [stdout] 20 |             panic!(matcher.failure_message(self.actual));
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 20 |             panic!("{}", matcher.failure_message(self.actual));
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 20 |             std::panic::panic_any(matcher.failure_message(self.actual));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/dsl/assertions.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 |             panic!(matcher.negated_failure_message(self.actual));
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 26 |             panic!("{}", matcher.negated_failure_message(self.actual));
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 26 |             std::panic::panic_any(matcher.negated_failure_message(self.actual));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/dsl/assertions.rs:69:28
[INFO] [stdout]    |
[INFO] [stdout] 69 |                     panic!(matcher.failure_message(&actual));
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 69 |                     panic!("{}", matcher.failure_message(&actual));
[INFO] [stdout]    |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 69 |                     std::panic::panic_any(matcher.failure_message(&actual));
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/dsl/assertions.rs:89:28
[INFO] [stdout]    |
[INFO] [stdout] 89 |                     panic!(matcher.negated_failure_message(&actual));
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 89 |                     panic!("{}", matcher.negated_failure_message(&actual));
[INFO] [stdout]    |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 89 |                     std::panic::panic_any(matcher.negated_failure_message(&actual));
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/dsl/assertions.rs:98:24
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 panic!(matcher.failure_message(&actual));
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 panic!("{}", matcher.failure_message(&actual));
[INFO] [stdout]    |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 std::panic::panic_any(matcher.failure_message(&actual));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/dsl/assertions.rs:107:24
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 panic!(matcher.negated_failure_message(&actual));
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 panic!("{}", matcher.negated_failure_message(&actual));
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 std::panic::panic_any(matcher.negated_failure_message(&actual));
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.89s
[INFO] running `Command { std: "docker" "inspect" "51f5b5aa355e5aedcbff8e413e248bd83dd9f65d823ff282ebfaea119b5cade7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51f5b5aa355e5aedcbff8e413e248bd83dd9f65d823ff282ebfaea119b5cade7", kill_on_drop: false }`
[INFO] [stdout] 51f5b5aa355e5aedcbff8e413e248bd83dd9f65d823ff282ebfaea119b5cade7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f28b43bc2cb59ac0410a019adc5f6210c1238c9f07c668b0015cb23337bcf04e
[INFO] running `Command { std: "docker" "start" "-a" "f28b43bc2cb59ac0410a019adc5f6210c1238c9f07c668b0015cb23337bcf04e", kill_on_drop: false }`
[INFO] [stderr]    Compiling ferrous v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/dsl/assertions.rs:38:15
[INFO] [stdout]    |
[INFO] [stdout] 38 |     func: Box<Fn() -> A>,
[INFO] [stdout]    |               ^^^^^^^^^ help: use `dyn`: `dyn Fn() -> A`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]    --> src/dsl/assertions.rs:123:13
[INFO] [stdout]     |
[INFO] [stdout] 123 |             thread::sleep_ms(self.polling_interval);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]    --> src/dsl/assertions.rs:138:13
[INFO] [stdout]     |
[INFO] [stdout] 138 |             thread::sleep_ms(self.polling_interval);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/dsl/assertions.rs:20:20
[INFO] [stdout]    |
[INFO] [stdout] 20 |             panic!(matcher.failure_message(self.actual));
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 20 |             panic!("{}", matcher.failure_message(self.actual));
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 20 |             std::panic::panic_any(matcher.failure_message(self.actual));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/dsl/assertions.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 |             panic!(matcher.negated_failure_message(self.actual));
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 26 |             panic!("{}", matcher.negated_failure_message(self.actual));
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 26 |             std::panic::panic_any(matcher.negated_failure_message(self.actual));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/dsl/assertions.rs:69:28
[INFO] [stdout]    |
[INFO] [stdout] 69 |                     panic!(matcher.failure_message(&actual));
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 69 |                     panic!("{}", matcher.failure_message(&actual));
[INFO] [stdout]    |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 69 |                     std::panic::panic_any(matcher.failure_message(&actual));
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/dsl/assertions.rs:89:28
[INFO] [stdout]    |
[INFO] [stdout] 89 |                     panic!(matcher.negated_failure_message(&actual));
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 89 |                     panic!("{}", matcher.negated_failure_message(&actual));
[INFO] [stdout]    |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 89 |                     std::panic::panic_any(matcher.negated_failure_message(&actual));
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/dsl/assertions.rs:98:24
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 panic!(matcher.failure_message(&actual));
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 panic!("{}", matcher.failure_message(&actual));
[INFO] [stdout]    |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 std::panic::panic_any(matcher.failure_message(&actual));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/dsl/assertions.rs:107:24
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 panic!(matcher.negated_failure_message(&actual));
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 panic!("{}", matcher.negated_failure_message(&actual));
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 std::panic::panic_any(matcher.negated_failure_message(&actual));
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/dsl/assertions.rs:38:15
[INFO] [stdout]    |
[INFO] [stdout] 38 |     func: Box<Fn() -> A>,
[INFO] [stdout]    |               ^^^^^^^^^ help: use `dyn`: `dyn Fn() -> A`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]    --> src/dsl/assertions.rs:123:13
[INFO] [stdout]     |
[INFO] [stdout] 123 |             thread::sleep_ms(self.polling_interval);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]    --> src/dsl/assertions.rs:138:13
[INFO] [stdout]     |
[INFO] [stdout] 138 |             thread::sleep_ms(self.polling_interval);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]    --> src/dsl/assertions.rs:172:13
[INFO] [stdout]     |
[INFO] [stdout] 172 |             thread::sleep_ms(500);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]    --> src/dsl/assertions.rs:205:13
[INFO] [stdout]     |
[INFO] [stdout] 205 |             thread::sleep_ms(500);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]    --> src/dsl/assertions.rs:249:13
[INFO] [stdout]     |
[INFO] [stdout] 249 |             thread::sleep_ms(500);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]    --> src/dsl/assertions.rs:282:13
[INFO] [stdout]     |
[INFO] [stdout] 282 |             thread::sleep_ms(500);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/dsl/assertions.rs:20:20
[INFO] [stdout]    |
[INFO] [stdout] 20 |             panic!(matcher.failure_message(self.actual));
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 20 |             panic!("{}", matcher.failure_message(self.actual));
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 20 |             std::panic::panic_any(matcher.failure_message(self.actual));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/dsl/assertions.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 |             panic!(matcher.negated_failure_message(self.actual));
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 26 |             panic!("{}", matcher.negated_failure_message(self.actual));
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 26 |             std::panic::panic_any(matcher.negated_failure_message(self.actual));
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/dsl/assertions.rs:69:28
[INFO] [stdout]    |
[INFO] [stdout] 69 |                     panic!(matcher.failure_message(&actual));
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 69 |                     panic!("{}", matcher.failure_message(&actual));
[INFO] [stdout]    |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 69 |                     std::panic::panic_any(matcher.failure_message(&actual));
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/dsl/assertions.rs:89:28
[INFO] [stdout]    |
[INFO] [stdout] 89 |                     panic!(matcher.negated_failure_message(&actual));
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 89 |                     panic!("{}", matcher.negated_failure_message(&actual));
[INFO] [stdout]    |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 89 |                     std::panic::panic_any(matcher.negated_failure_message(&actual));
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/dsl/assertions.rs:98:24
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 panic!(matcher.failure_message(&actual));
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 panic!("{}", matcher.failure_message(&actual));
[INFO] [stdout]    |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 std::panic::panic_any(matcher.failure_message(&actual));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/dsl/assertions.rs:107:24
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 panic!(matcher.negated_failure_message(&actual));
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 panic!("{}", matcher.negated_failure_message(&actual));
[INFO] [stdout]     |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 std::panic::panic_any(matcher.negated_failure_message(&actual));
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `Command { std: "docker" "inspect" "f28b43bc2cb59ac0410a019adc5f6210c1238c9f07c668b0015cb23337bcf04e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f28b43bc2cb59ac0410a019adc5f6210c1238c9f07c668b0015cb23337bcf04e", kill_on_drop: false }`
[INFO] [stdout] f28b43bc2cb59ac0410a019adc5f6210c1238c9f07c668b0015cb23337bcf04e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ef02c911c5d6bbfef97867f82a335a9d9797bf5407be5f9e9d7f0ce506cb115c
[INFO] running `Command { std: "docker" "start" "-a" "ef02c911c5d6bbfef97867f82a335a9d9797bf5407be5f9e9d7f0ce506cb115c", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] running 30 tests
[INFO] [stderr]   --> src/dsl/assertions.rs:38:15
[INFO] [stdout] test dsl::matchers::result::tests::test_ok_failure_msg ... ok
[INFO] [stderr]    |
[INFO] [stdout] test dsl::matchers::result::tests::test_ok_matches ... ok
[INFO] [stderr] 38 |     func: Box<Fn() -> A>,
[INFO] [stdout] test dsl::matchers::result::tests::test_ok_matches_fail ... ok
[INFO] [stderr]    |               ^^^^^^^^^ help: use `dyn`: `dyn Fn() -> A`
[INFO] [stdout] test dsl::matchers::result::tests::test_ok_negated_failure_msg ... ok
[INFO] [stderr]    |
[INFO] [stdout] test dsl::matchers::result::tests::test_err_negated_failure_msg ... ok
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] test dsl::matchers::result::tests::test_err_matches_fails ... ok
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout] test dsl::matchers::result::tests::test_err_matches ... ok
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] test dsl::matchers::result::tests::test_err_failure_msg ... ok
[INFO] [stderr] 
[INFO] [stdout] test dsl::matchers::option::tests::test_some_negated_failure_msg ... ok
[INFO] [stderr] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout] test dsl::matchers::option::tests::test_some_failure_msg ... ok
[INFO] [stderr]    --> src/dsl/assertions.rs:123:13
[INFO] [stdout] test dsl::matchers::contain::tests::test_equal_matches ... ok
[INFO] [stderr]     |
[INFO] [stdout] test dsl::matchers::contain::tests::test_equal_negated_failure_msg ... ok
[INFO] [stderr] 123 |             thread::sleep_ms(self.polling_interval);
[INFO] [stdout] test dsl::matchers::contain::tests::test_equal_failure_msg ... ok
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^
[INFO] [stdout] test dsl::matchers::option::tests::test_none_matches_fail ... ok
[INFO] [stderr]     |
[INFO] [stdout] test dsl::matchers::option::tests::test_none_negated_failure_msg ... ok
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] test dsl::matchers::equals::tests::test_equal_matches ... ok
[INFO] [stderr] 
[INFO] [stdout] test dsl::matchers::equals::tests::test_equal_negated_failure_msg ... ok
[INFO] [stderr] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout] test dsl::matchers::option::tests::test_none_failure_msg ... ok
[INFO] [stderr]    --> src/dsl/assertions.rs:138:13
[INFO] [stdout] test dsl::matchers::option::tests::test_some_matches ... ok
[INFO] [stderr]     |
[INFO] [stderr] 138 |             thread::sleep_ms(self.polling_interval);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/dsl/assertions.rs:20:20
[INFO] [stderr]    |
[INFO] [stderr] 20 |             panic!(matcher.failure_message(self.actual));
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 20 |             panic!("{}", matcher.failure_message(self.actual));
[INFO] [stderr]    |                    ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 20 |             std::panic::panic_any(matcher.failure_message(self.actual));
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/dsl/assertions.rs:26:20
[INFO] [stderr]    |
[INFO] [stderr] 26 |             panic!(matcher.negated_failure_message(self.actual));
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 26 |             panic!("{}", matcher.negated_failure_message(self.actual));
[INFO] [stderr]    |                    ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 26 |             std::panic::panic_any(matcher.negated_failure_message(self.actual));
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/dsl/assertions.rs:69:28
[INFO] [stderr]    |
[INFO] [stderr] 69 |                     panic!(matcher.failure_message(&actual));
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 69 |                     panic!("{}", matcher.failure_message(&actual));
[INFO] [stderr]    |                            ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 69 |                     std::panic::panic_any(matcher.failure_message(&actual));
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/dsl/assertions.rs:89:28
[INFO] [stderr]    |
[INFO] [stderr] 89 |                     panic!(matcher.negated_failure_message(&actual));
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 89 |                     panic!("{}", matcher.negated_failure_message(&actual));
[INFO] [stderr]    |                            ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 89 |                     std::panic::panic_any(matcher.negated_failure_message(&actual));
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/dsl/assertions.rs:98:24
[INFO] [stderr]    |
[INFO] [stderr] 98 |                 panic!(matcher.failure_message(&actual));
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 98 |                 panic!("{}", matcher.failure_message(&actual));
[INFO] [stderr]    |                        ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 98 |                 std::panic::panic_any(matcher.failure_message(&actual));
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/dsl/assertions.rs:107:24
[INFO] [stderr]     |
[INFO] [stderr] 107 |                 panic!(matcher.negated_failure_message(&actual));
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: add a "{}" format string to Display the message
[INFO] [stderr]     |
[INFO] [stderr] 107 |                 panic!("{}", matcher.negated_failure_message(&actual));
[INFO] [stderr]     |                        ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]     |
[INFO] [stderr] 107 |                 std::panic::panic_any(matcher.negated_failure_message(&actual));
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/dsl/assertions.rs:38:15
[INFO] [stderr]    |
[INFO] [stderr] 38 |     func: Box<Fn() -> A>,
[INFO] [stderr]    |               ^^^^^^^^^ help: use `dyn`: `dyn Fn() -> A`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stderr]    --> src/dsl/assertions.rs:123:13
[INFO] [stderr]     |
[INFO] [stderr] 123 |             thread::sleep_ms(self.polling_interval);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stderr]    --> src/dsl/assertions.rs:138:13
[INFO] [stderr]     |
[INFO] [stderr] 138 |             thread::sleep_ms(self.polling_interval);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stderr]    --> src/dsl/assertions.rs:172:13
[INFO] [stderr]     |
[INFO] [stderr] 172 |             thread::sleep_ms(500);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stderr]    --> src/dsl/assertions.rs:205:13
[INFO] [stderr]     |
[INFO] [stderr] 205 |             thread::sleep_ms(500);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stderr]    --> src/dsl/assertions.rs:249:13
[INFO] [stderr]     |
[INFO] [stderr] 249 |             thread::sleep_ms(500);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stderr]    --> src/dsl/assertions.rs:282:13
[INFO] [stderr]     |
[INFO] [stderr] 282 |             thread::sleep_ms(500);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/dsl/assertions.rs:20:20
[INFO] [stderr]    |
[INFO] [stderr] 20 |             panic!(matcher.failure_message(self.actual));
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 20 |             panic!("{}", matcher.failure_message(self.actual));
[INFO] [stderr]    |                    ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 20 |             std::panic::panic_any(matcher.failure_message(self.actual));
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/dsl/assertions.rs:26:20
[INFO] [stderr]    |
[INFO] [stderr] 26 |             panic!(matcher.negated_failure_message(self.actual));
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 26 |             panic!("{}", matcher.negated_failure_message(self.actual));
[INFO] [stderr]    |                    ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 26 |             std::panic::panic_any(matcher.negated_failure_message(self.actual));
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/dsl/assertions.rs:69:28
[INFO] [stderr]    |
[INFO] [stderr] 69 |                     panic!(matcher.failure_message(&actual));
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 69 |                     panic!("{}", matcher.failure_message(&actual));
[INFO] [stderr]    |                            ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 69 |                     std::panic::panic_any(matcher.failure_message(&actual));
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/dsl/assertions.rs:89:28
[INFO] [stderr]    |
[INFO] [stderr] 89 |                     panic!(matcher.negated_failure_message(&actual));
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 89 |                     panic!("{}", matcher.negated_failure_message(&actual));
[INFO] [stderr]    |                            ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 89 |                     std::panic::panic_any(matcher.negated_failure_message(&actual));
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/dsl/assertions.rs:98:24
[INFO] [stderr]    |
[INFO] [stderr] 98 |                 panic!(matcher.failure_message(&actual));
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 98 |                 panic!("{}", matcher.failure_message(&actual));
[INFO] [stderr]    |                        ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 98 |                 std::panic::panic_any(matcher.failure_message(&actual));
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/dsl/assertions.rs:107:24
[INFO] [stderr]     |
[INFO] [stderr] 107 |                 panic!(matcher.negated_failure_message(&actual));
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: add a "{}" format string to Display the message
[INFO] [stderr]     |
[INFO] [stderr] 107 |                 panic!("{}", matcher.negated_failure_message(&actual));
[INFO] [stderr]     |                        ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]     |
[INFO] [stderr] 107 |                 std::panic::panic_any(matcher.negated_failure_message(&actual));
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ferrous-3003c1f853777d69)
[INFO] [stdout] test dsl::matchers::option::tests::test_none_matches ... ok
[INFO] [stdout] test dsl::assertions::tests::test_consistently_negated_fail - should panic ... ok
[INFO] [stdout] test dsl::matchers::option::tests::test_some_matches_fails ... ok
[INFO] [stdout] test dsl::matchers::equals::tests::test_equal_failure_msg ... ok
[INFO] [stdout] test dsl::assertions::tests::test_consistently_fail - should panic ... ok
[INFO] [stdout] test dsl::assertions::tests::test_eventually ... ok
[INFO] [stdout] test dsl::assertions::tests::test_eventually_negated ... ok
[INFO] [stdout] test dsl::assertions::tests::test_consistently ... ok
[INFO] [stdout] test dsl::assertions::tests::test_eventually_negated_timeout - should panic ... ok
[INFO] [stdout] test dsl::assertions::tests::test_consistently_negated ... ok
[INFO] [stderr]      Running tests/mod.rs (/opt/rustwide/target/debug/deps/mod-e60abaf32daea523)
[INFO] [stdout] test dsl::assertions::tests::test_eventually_timeout - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.04s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test test_eventually_should_err ... ok
[INFO] [stdout] test test_expect_to ... ok
[INFO] [stdout] test test_expect_to_contain ... ok
[INFO] [stdout] test test_expect_to_err ... ok
[INFO] [stdout] test test_expect_not_to ... ok
[INFO] [stdout] test test_expect_to_some ... ok
[INFO] [stdout] test test_expect_to_none ... ok
[INFO] [stdout] test test_expect_to_ok ... ok
[INFO] [stdout] test test_expect_to_custom ... ok
[INFO] [stdout] test test_expect_not_to_panic - should panic ... ok
[INFO] [stdout] test test_expect_not_to_err_panic - should panic ... ok
[INFO] [stdout] test test_consistently_should_not_err_panic - should panic ... ok
[INFO] [stdout] test test_expect_to_custom_panic - should panic ... ok
[INFO] [stdout] test test_expect_not_to_ok_panic - should panic ... ok
[INFO] [stdout] test test_expect_to_contain_panic - should panic ... ok
[INFO] [stdout] test test_expect_not_to_none_panic - should panic ... ok
[INFO] [stdout] test test_expect_to_some_panic - should panic ... ok
[INFO] [stdout] test test_expect_to_err_panic - should panic ... ok
[INFO] [stdout] test test_expect_to_none_panic - should panic ... ok
[INFO] [stdout] test test_expect_to_ok_panic - should panic ... ok
[INFO] [stdout] test test_expect_to_panic - should panic ... ok
[INFO] [stdout] test test_expect_not_to_some_panic - should panic ... ok
[INFO] [stdout] test test_consistently_should_err ... ok
[INFO] [stderr]    Doc-tests ferrous
[INFO] [stdout] test test_eventually_should_not_err_panic - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/dsl/mod.rs - dsl (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.48s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ef02c911c5d6bbfef97867f82a335a9d9797bf5407be5f9e9d7f0ce506cb115c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef02c911c5d6bbfef97867f82a335a9d9797bf5407be5f9e9d7f0ce506cb115c", kill_on_drop: false }`
[INFO] [stdout] ef02c911c5d6bbfef97867f82a335a9d9797bf5407be5f9e9d7f0ce506cb115c