[INFO] fetching crate ferrous 0.1.0...
[INFO] testing ferrous-0.1.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate ferrous 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate ferrous 0.1.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d1ec3d0f86355ade5c119537574c480205499659c1252bd5a7aa7702892f8d1
[INFO] running `Command { std: "docker" "start" "-a" "0d1ec3d0f86355ade5c119537574c480205499659c1252bd5a7aa7702892f8d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d1ec3d0f86355ade5c119537574c480205499659c1252bd5a7aa7702892f8d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d1ec3d0f86355ade5c119537574c480205499659c1252bd5a7aa7702892f8d1", kill_on_drop: false }`
[INFO] [stdout] 0d1ec3d0f86355ade5c119537574c480205499659c1252bd5a7aa7702892f8d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9bbaef7e4c5136e22b7dbd74f0fb674126585742332fcb8ac506d12d763dcd53
[INFO] running `Command { std: "docker" "start" "-a" "9bbaef7e4c5136e22b7dbd74f0fb674126585742332fcb8ac506d12d763dcd53", kill_on_drop: false }`
[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 1.09s
[INFO] running `Command { std: "docker" "inspect" "9bbaef7e4c5136e22b7dbd74f0fb674126585742332fcb8ac506d12d763dcd53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bbaef7e4c5136e22b7dbd74f0fb674126585742332fcb8ac506d12d763dcd53", kill_on_drop: false }`
[INFO] [stdout] 9bbaef7e4c5136e22b7dbd74f0fb674126585742332fcb8ac506d12d763dcd53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eef8fbb3546082ec2bc788b5fa79b819be786231b2f254f5744f2fb8114f4569
[INFO] running `Command { std: "docker" "start" "-a" "eef8fbb3546082ec2bc788b5fa79b819be786231b2f254f5744f2fb8114f4569", 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 1.03s
[INFO] running `Command { std: "docker" "inspect" "eef8fbb3546082ec2bc788b5fa79b819be786231b2f254f5744f2fb8114f4569", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eef8fbb3546082ec2bc788b5fa79b819be786231b2f254f5744f2fb8114f4569", kill_on_drop: false }`
[INFO] [stdout] eef8fbb3546082ec2bc788b5fa79b819be786231b2f254f5744f2fb8114f4569
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9fb212234931df732f801461e848ac784ec51b5c9eee2ef4bd9786238f240e8d
[INFO] running `Command { std: "docker" "start" "-a" "9fb212234931df732f801461e848ac784ec51b5c9eee2ef4bd9786238f240e8d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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: 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 0.46s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ferrous-3003c1f853777d69)
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test dsl::matchers::contain::tests::test_equal_negated_failure_msg ... ok
[INFO] [stdout] test dsl::matchers::equals::tests::test_equal_failure_msg ... ok
[INFO] [stdout] test dsl::matchers::option::tests::test_none_failure_msg ... ok
[INFO] [stdout] test dsl::matchers::option::tests::test_none_matches ... ok
[INFO] [stdout] test dsl::matchers::option::tests::test_none_matches_fail ... ok
[INFO] [stdout] test dsl::matchers::option::tests::test_none_negated_failure_msg ... ok
[INFO] [stdout] test dsl::matchers::option::tests::test_some_matches_fails ... ok
[INFO] [stdout] test dsl::matchers::option::tests::test_some_negated_failure_msg ... ok
[INFO] [stdout] test dsl::matchers::contain::tests::test_equal_failure_msg ... ok
[INFO] [stdout] test dsl::matchers::option::tests::test_some_failure_msg ... ok
[INFO] [stdout] test dsl::matchers::option::tests::test_some_matches ... ok
[INFO] [stdout] test dsl::matchers::result::tests::test_err_negated_failure_msg ... ok
[INFO] [stdout] test dsl::matchers::result::tests::test_ok_failure_msg ... ok
[INFO] [stdout] test dsl::matchers::result::tests::test_err_matches_fails ... ok
[INFO] [stdout] test dsl::matchers::result::tests::test_ok_matches ... ok
[INFO] [stdout] test dsl::matchers::result::tests::test_ok_negated_failure_msg ... ok
[INFO] [stdout] test dsl::matchers::result::tests::test_ok_matches_fail ... ok
[INFO] [stdout] test dsl::matchers::contain::tests::test_equal_matches ... ok
[INFO] [stdout] test dsl::matchers::equals::tests::test_equal_matches ... ok
[INFO] [stdout] test dsl::matchers::result::tests::test_err_failure_msg ... ok
[INFO] [stdout] test dsl::matchers::result::tests::test_err_matches ... ok
[INFO] [stdout] test dsl::matchers::equals::tests::test_equal_negated_failure_msg ... ok
[INFO] [stdout] test dsl::assertions::tests::test_consistently_negated_fail - should panic ... ok
[INFO] [stdout] test dsl::assertions::tests::test_consistently_fail - should panic ... ok
[INFO] [stdout] test dsl::assertions::tests::test_eventually_negated ... ok
[INFO] [stdout] test dsl::assertions::tests::test_eventually ... ok
[INFO] [stdout] test dsl::assertions::tests::test_eventually_timeout - should panic ... ok
[INFO] [stdout] test dsl::assertions::tests::test_consistently ... ok
[INFO] [stderr]      Running tests/mod.rs (/opt/rustwide/target/debug/deps/mod-e60abaf32daea523)
[INFO] [stdout] test dsl::assertions::tests::test_consistently_negated ... ok
[INFO] [stdout] test dsl::assertions::tests::test_eventually_negated_timeout - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test test_expect_not_to ... ok
[INFO] [stdout] test test_eventually_should_err ... ok
[INFO] [stdout] test test_expect_to_none ... ok
[INFO] [stdout] test test_expect_to_ok ... ok
[INFO] [stdout] test test_expect_to_some ... ok
[INFO] [stdout] test test_expect_to_err ... ok
[INFO] [stdout] test test_expect_to_contain ... ok
[INFO] [stdout] test test_expect_to ... 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_some_panic - should panic ... ok
[INFO] [stdout] test test_expect_not_to_none_panic - should panic ... ok
[INFO] [stdout] test test_expect_not_to_err_panic - should panic ... ok
[INFO] [stdout] test test_expect_not_to_ok_panic - should panic ... ok
[INFO] [stdout] test test_expect_to_err_panic - should panic ... ok
[INFO] [stdout] test test_expect_to_panic - should panic ... ok
[INFO] [stdout] test test_expect_to_some_panic - should panic ... ok
[INFO] [stdout] test test_consistently_should_not_err_panic - should panic ... ok
[INFO] [stdout] test test_expect_to_none_panic - should panic ... ok
[INFO] [stdout] test test_expect_to_contain_panic - should panic ... ok
[INFO] [stdout] test test_expect_to_custom_panic - should panic ... ok
[INFO] [stdout] test test_expect_to_ok_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 0.46s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9fb212234931df732f801461e848ac784ec51b5c9eee2ef4bd9786238f240e8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fb212234931df732f801461e848ac784ec51b5c9eee2ef4bd9786238f240e8d", kill_on_drop: false }`
[INFO] [stdout] 9fb212234931df732f801461e848ac784ec51b5c9eee2ef4bd9786238f240e8d