[INFO] fetching crate fbs 0.6.0...
[INFO] testing fbs-0.6.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate fbs 0.6.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate fbs 0.6.0 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 fbs 0.6.0
[INFO] finished tweaking crates.io crate fbs 0.6.0
[INFO] tweaked toml for crates.io crate fbs 0.6.0 written to /workspace/builds/worker-9/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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] c3cb6d203c91b584303faec27d346cbc82751891de3d47fbb65f3dbb1e0642e9
[INFO] running `Command { std: "docker" "start" "-a" "c3cb6d203c91b584303faec27d346cbc82751891de3d47fbb65f3dbb1e0642e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3cb6d203c91b584303faec27d346cbc82751891de3d47fbb65f3dbb1e0642e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3cb6d203c91b584303faec27d346cbc82751891de3d47fbb65f3dbb1e0642e9", kill_on_drop: false }`
[INFO] [stdout] c3cb6d203c91b584303faec27d346cbc82751891de3d47fbb65f3dbb1e0642e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] b83ea90113aa1782e467a78870f6b4384a5d79f39e56234913d6a740a420fe9b
[INFO] running `Command { std: "docker" "start" "-a" "b83ea90113aa1782e467a78870f6b4384a5d79f39e56234913d6a740a420fe9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling fbs v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/builder.rs:659:13
[INFO] [stdout]     |
[INFO] [stdout] 659 | /             format!(
[INFO] [stdout] 660 | |                 "incorrect FlatBufferBuilder usage: {} must be called while in a nested state",
[INFO] [stdout] 661 | |                 fn_name
[INFO] [stdout] 662 | |             )
[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]     = note: the debug_assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 659 |             
[INFO] [stdout] 660 |                 "incorrect FlatBufferBuilder usage: {} must be called while in a nested state",
[INFO] [stdout] 661 |                 fn_name
[INFO] [stdout] 662 |             
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/builder.rs:667:37
[INFO] [stdout]     |
[INFO] [stdout] 667 |         debug_assert!(!self.nested, msg);
[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] 667 |         debug_assert!(!self.nested, "{}", msg);
[INFO] [stdout]     |                                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/builder.rs:671:38
[INFO] [stdout]     |
[INFO] [stdout] 671 |         debug_assert!(self.finished, msg);
[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] 671 |         debug_assert!(self.finished, "{}", msg);
[INFO] [stdout]     |                                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/builder.rs:675:39
[INFO] [stdout]     |
[INFO] [stdout] 675 |         debug_assert!(!self.finished, msg);
[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] 675 |         debug_assert!(!self.finished, "{}", msg);
[INFO] [stdout]     |                                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "b83ea90113aa1782e467a78870f6b4384a5d79f39e56234913d6a740a420fe9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b83ea90113aa1782e467a78870f6b4384a5d79f39e56234913d6a740a420fe9b", kill_on_drop: false }`
[INFO] [stdout] b83ea90113aa1782e467a78870f6b4384a5d79f39e56234913d6a740a420fe9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 4ea3a33bba83855dc034f14c904de26ad1f605db8b55a1111e43753725b37fc2
[INFO] running `Command { std: "docker" "start" "-a" "4ea3a33bba83855dc034f14c904de26ad1f605db8b55a1111e43753725b37fc2", kill_on_drop: false }`
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/builder.rs:659:13
[INFO] [stdout]     |
[INFO] [stdout] 659 | /             format!(
[INFO] [stdout] 660 | |                 "incorrect FlatBufferBuilder usage: {} must be called while in a nested state",
[INFO] [stdout] 661 | |                 fn_name
[INFO] [stdout] 662 | |             )
[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]     = note: the debug_assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 659 |             
[INFO] [stdout] 660 |                 "incorrect FlatBufferBuilder usage: {} must be called while in a nested state",
[INFO] [stdout] 661 |                 fn_name
[INFO] [stdout] 662 |             
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/builder.rs:667:37
[INFO] [stdout]     |
[INFO] [stdout] 667 |         debug_assert!(!self.nested, msg);
[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] 667 |         debug_assert!(!self.nested, "{}", msg);
[INFO] [stdout]     |                                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/builder.rs:671:38
[INFO] [stdout]     |
[INFO] [stdout] 671 |         debug_assert!(self.finished, msg);
[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] 671 |         debug_assert!(self.finished, "{}", msg);
[INFO] [stdout]     |                                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling fbs v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/builder.rs:675:39
[INFO] [stdout]     |
[INFO] [stdout] 675 |         debug_assert!(!self.finished, msg);
[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] 675 |         debug_assert!(!self.finished, "{}", msg);
[INFO] [stdout]     |                                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/builder.rs:659:13
[INFO] [stdout]     |
[INFO] [stdout] 659 | /             format!(
[INFO] [stdout] 660 | |                 "incorrect FlatBufferBuilder usage: {} must be called while in a nested state",
[INFO] [stdout] 661 | |                 fn_name
[INFO] [stdout] 662 | |             )
[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]     = note: the debug_assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 659 |             
[INFO] [stdout] 660 |                 "incorrect FlatBufferBuilder usage: {} must be called while in a nested state",
[INFO] [stdout] 661 |                 fn_name
[INFO] [stdout] 662 |             
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/builder.rs:667:37
[INFO] [stdout]     |
[INFO] [stdout] 667 |         debug_assert!(!self.nested, msg);
[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] 667 |         debug_assert!(!self.nested, "{}", msg);
[INFO] [stdout]     |                                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/builder.rs:671:38
[INFO] [stdout]     |
[INFO] [stdout] 671 |         debug_assert!(self.finished, msg);
[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] 671 |         debug_assert!(self.finished, "{}", msg);
[INFO] [stdout]     |                                      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/builder.rs:675:39
[INFO] [stdout]     |
[INFO] [stdout] 675 |         debug_assert!(!self.finished, msg);
[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] 675 |         debug_assert!(!self.finished, "{}", msg);
[INFO] [stdout]     |                                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "4ea3a33bba83855dc034f14c904de26ad1f605db8b55a1111e43753725b37fc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ea3a33bba83855dc034f14c904de26ad1f605db8b55a1111e43753725b37fc2", kill_on_drop: false }`
[INFO] [stdout] 4ea3a33bba83855dc034f14c904de26ad1f605db8b55a1111e43753725b37fc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 6c6872d21a06cf53df4c27d1f71c2e3c4a18616f9bc009c7f27940b51f50f138
[INFO] running `Command { std: "docker" "start" "-a" "6c6872d21a06cf53df4c27d1f71c2e3c4a18616f9bc009c7f27940b51f50f138", kill_on_drop: false }`
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/builder.rs:659:13
[INFO] [stderr]     |
[INFO] [stderr] 659 | /             format!(
[INFO] [stderr] 660 | |                 "incorrect FlatBufferBuilder usage: {} must be called while in a nested state",
[INFO] [stderr] 661 | |                 fn_name
[INFO] [stderr] 662 | |             )
[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]     = note: the debug_assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 659 |             
[INFO] [stderr] 660 |                 "incorrect FlatBufferBuilder usage: {} must be called while in a nested state",
[INFO] [stderr] 661 |                 fn_name
[INFO] [stderr] 662 |             
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/builder.rs:667:37
[INFO] [stderr]     |
[INFO] [stderr] 667 |         debug_assert!(!self.nested, msg);
[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] 667 |         debug_assert!(!self.nested, "{}", msg);
[INFO] [stderr]     |                                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/builder.rs:671:38
[INFO] [stderr]     |
[INFO] [stderr] 671 |         debug_assert!(self.finished, msg);
[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] 671 |         debug_assert!(self.finished, "{}", msg);
[INFO] [stderr]     |                                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/builder.rs:675:39
[INFO] [stderr]     |
[INFO] [stderr] 675 |         debug_assert!(!self.finished, msg);
[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] 675 |         debug_assert!(!self.finished, "{}", msg);
[INFO] [stderr]     |                                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/builder.rs:659:13
[INFO] [stderr]     |
[INFO] [stderr] 659 | /             format!(
[INFO] [stderr] 660 | |                 "incorrect FlatBufferBuilder usage: {} must be called while in a nested state",
[INFO] [stderr] 661 | |                 fn_name
[INFO] [stderr] 662 | |             )
[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]     = note: the debug_assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 659 |             
[INFO] [stderr] 660 |                 "incorrect FlatBufferBuilder usage: {} must be called while in a nested state",
[INFO] [stderr] 661 |                 fn_name
[INFO] [stderr] 662 |             
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/builder.rs:667:37
[INFO] [stderr]     |
[INFO] [stderr] 667 |         debug_assert!(!self.nested, msg);
[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] 667 |         debug_assert!(!self.nested, "{}", msg);
[INFO] [stderr]     |                                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/builder.rs:671:38
[INFO] [stderr]     |
[INFO] [stderr] 671 |         debug_assert!(self.finished, msg);
[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] 671 |         debug_assert!(self.finished, "{}", msg);
[INFO] [stderr]     |                                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/builder.rs:675:39
[INFO] [stderr]     |
[INFO] [stderr] 675 |         debug_assert!(!self.finished, msg);
[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] 675 |         debug_assert!(!self.finished, "{}", msg);
[INFO] [stderr]     |                                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fbs-80f9b9dd42d6e236)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fbs
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6c6872d21a06cf53df4c27d1f71c2e3c4a18616f9bc009c7f27940b51f50f138", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c6872d21a06cf53df4c27d1f71c2e3c4a18616f9bc009c7f27940b51f50f138", kill_on_drop: false }`
[INFO] [stdout] 6c6872d21a06cf53df4c27d1f71c2e3c4a18616f9bc009c7f27940b51f50f138