[INFO] fetching crate serde_int_map_derive 0.3.0...
[INFO] testing serde_int_map_derive-0.3.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate serde_int_map_derive 0.3.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate serde_int_map_derive 0.3.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_int_map_derive 0.3.0
[INFO] finished tweaking crates.io crate serde_int_map_derive 0.3.0
[INFO] tweaked toml for crates.io crate serde_int_map_derive 0.3.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2721db9d54f2e6176410a47bbd3a7c25cb0c109ff99f005199d61a8011bb5e74
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2721db9d54f2e6176410a47bbd3a7c25cb0c109ff99f005199d61a8011bb5e74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2721db9d54f2e6176410a47bbd3a7c25cb0c109ff99f005199d61a8011bb5e74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2721db9d54f2e6176410a47bbd3a7c25cb0c109ff99f005199d61a8011bb5e74", kill_on_drop: false }`
[INFO] [stdout] 2721db9d54f2e6176410a47bbd3a7c25cb0c109ff99f005199d61a8011bb5e74
[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=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cd7355243528dbf8a995e850c4a4bb1f0343dcc4999f2f39aa9096369914318b
[INFO] running `Command { std: "docker" "start" "-a" "cd7355243528dbf8a995e850c4a4bb1f0343dcc4999f2f39aa9096369914318b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_int_map_traits v0.3.0
[INFO] [stderr]    Compiling serde_int_map_derive v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/parser_helper.rs:19:16
[INFO] [stdout]    |
[INFO] [stdout] 19 |           panic!(format!(
[INFO] [stdout]    |  ________________^
[INFO] [stdout] 20 | |             "No int_map_* found on field {}",
[INFO] [stdout] 21 | |             field.ident.as_ref().unwrap()
[INFO] [stdout] 22 | |         ));
[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 panic!() 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] 19 ~         panic!(
[INFO] [stdout] 20 |             "No int_map_* found on field {}",
[INFO] [stdout] 21 |             field.ident.as_ref().unwrap()
[INFO] [stdout] 22 ~         );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/parser_helper.rs:25:16
[INFO] [stdout]    |
[INFO] [stdout] 25 |           panic!(format!(
[INFO] [stdout]    |  ________________^
[INFO] [stdout] 26 | |             "Multiple int_map_* attributes found on field {}",
[INFO] [stdout] 27 | |             field.ident.as_ref().unwrap()
[INFO] [stdout] 28 | |         ));
[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]    = note: the panic!() 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] 25 ~         panic!(
[INFO] [stdout] 26 |             "Multiple int_map_* attributes found on field {}",
[INFO] [stdout] 27 |             field.ident.as_ref().unwrap()
[INFO] [stdout] 28 ~         );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/parser_helper.rs:81:29
[INFO] [stdout]    |
[INFO] [stdout] 81 |                   _ => panic!(format!(
[INFO] [stdout]    |  _____________________________^
[INFO] [stdout] 82 | |                     "Non-literal int_map_id value for field {}: {}, value: {:?}",
[INFO] [stdout] 83 | |                     field.ident.as_ref().unwrap().to_string(),
[INFO] [stdout] 84 | |                     token.to_string(),
[INFO] [stdout] 85 | |                     token
[INFO] [stdout] 86 | |                 )),
[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]    = note: the panic!() 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] 81 ~                 _ => panic!(
[INFO] [stdout] 82 |                     "Non-literal int_map_id value for field {}: {}, value: {:?}",
[INFO] [stdout] 83 |                     field.ident.as_ref().unwrap().to_string(),
[INFO] [stdout] 84 |                     token.to_string(),
[INFO] [stdout] 85 |                     token
[INFO] [stdout] 86 ~                 ),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.09s
[INFO] running `Command { std: "docker" "inspect" "cd7355243528dbf8a995e850c4a4bb1f0343dcc4999f2f39aa9096369914318b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd7355243528dbf8a995e850c4a4bb1f0343dcc4999f2f39aa9096369914318b", kill_on_drop: false }`
[INFO] [stdout] cd7355243528dbf8a995e850c4a4bb1f0343dcc4999f2f39aa9096369914318b
[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=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b62734fe54484f01776f431ba21f2be990e1cca13679853ffcb121e1bd257a60
[INFO] running `Command { std: "docker" "start" "-a" "b62734fe54484f01776f431ba21f2be990e1cca13679853ffcb121e1bd257a60", kill_on_drop: false }`
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/parser_helper.rs:19:16
[INFO] [stdout]    |
[INFO] [stdout] 19 |           panic!(format!(
[INFO] [stdout]    |  ________________^
[INFO] [stdout] 20 | |             "No int_map_* found on field {}",
[INFO] [stdout] 21 | |             field.ident.as_ref().unwrap()
[INFO] [stdout] 22 | |         ));
[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 panic!() 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] 19 ~         panic!(
[INFO] [stdout] 20 |             "No int_map_* found on field {}",
[INFO] [stdout] 21 |             field.ident.as_ref().unwrap()
[INFO] [stdout] 22 ~         );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/parser_helper.rs:25:16
[INFO] [stdout]    |
[INFO] [stdout] 25 |           panic!(format!(
[INFO] [stdout]    |  ________________^
[INFO] [stdout] 26 | |             "Multiple int_map_* attributes found on field {}",
[INFO] [stdout] 27 | |             field.ident.as_ref().unwrap()
[INFO] [stdout] 28 | |         ));
[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]    = note: the panic!() 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] 25 ~         panic!(
[INFO] [stdout] 26 |             "Multiple int_map_* attributes found on field {}",
[INFO] [stdout] 27 |             field.ident.as_ref().unwrap()
[INFO] [stdout] 28 ~         );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_int_map_derive v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/parser_helper.rs:81:29
[INFO] [stdout]    |
[INFO] [stdout] 81 |                   _ => panic!(format!(
[INFO] [stdout]    |  _____________________________^
[INFO] [stdout] 82 | |                     "Non-literal int_map_id value for field {}: {}, value: {:?}",
[INFO] [stdout] 83 | |                     field.ident.as_ref().unwrap().to_string(),
[INFO] [stdout] 84 | |                     token.to_string(),
[INFO] [stdout] 85 | |                     token
[INFO] [stdout] 86 | |                 )),
[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]    = note: the panic!() 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] 81 ~                 _ => panic!(
[INFO] [stdout] 82 |                     "Non-literal int_map_id value for field {}: {}, value: {:?}",
[INFO] [stdout] 83 |                     field.ident.as_ref().unwrap().to_string(),
[INFO] [stdout] 84 |                     token.to_string(),
[INFO] [stdout] 85 |                     token
[INFO] [stdout] 86 ~                 ),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/parser_helper.rs:19:16
[INFO] [stdout]    |
[INFO] [stdout] 19 |           panic!(format!(
[INFO] [stdout]    |  ________________^
[INFO] [stdout] 20 | |             "No int_map_* found on field {}",
[INFO] [stdout] 21 | |             field.ident.as_ref().unwrap()
[INFO] [stdout] 22 | |         ));
[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 panic!() 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] 19 ~         panic!(
[INFO] [stdout] 20 |             "No int_map_* found on field {}",
[INFO] [stdout] 21 |             field.ident.as_ref().unwrap()
[INFO] [stdout] 22 ~         );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/parser_helper.rs:25:16
[INFO] [stdout]    |
[INFO] [stdout] 25 |           panic!(format!(
[INFO] [stdout]    |  ________________^
[INFO] [stdout] 26 | |             "Multiple int_map_* attributes found on field {}",
[INFO] [stdout] 27 | |             field.ident.as_ref().unwrap()
[INFO] [stdout] 28 | |         ));
[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]    = note: the panic!() 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] 25 ~         panic!(
[INFO] [stdout] 26 |             "Multiple int_map_* attributes found on field {}",
[INFO] [stdout] 27 |             field.ident.as_ref().unwrap()
[INFO] [stdout] 28 ~         );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/parser_helper.rs:81:29
[INFO] [stdout]    |
[INFO] [stdout] 81 |                   _ => panic!(format!(
[INFO] [stdout]    |  _____________________________^
[INFO] [stdout] 82 | |                     "Non-literal int_map_id value for field {}: {}, value: {:?}",
[INFO] [stdout] 83 | |                     field.ident.as_ref().unwrap().to_string(),
[INFO] [stdout] 84 | |                     token.to_string(),
[INFO] [stdout] 85 | |                     token
[INFO] [stdout] 86 | |                 )),
[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]    = note: the panic!() 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] 81 ~                 _ => panic!(
[INFO] [stdout] 82 |                     "Non-literal int_map_id value for field {}: {}, value: {:?}",
[INFO] [stdout] 83 |                     field.ident.as_ref().unwrap().to_string(),
[INFO] [stdout] 84 |                     token.to_string(),
[INFO] [stdout] 85 |                     token
[INFO] [stdout] 86 ~                 ),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_int_map_derive-f50bdad8d042e52d)
[INFO] running `Command { std: "docker" "inspect" "b62734fe54484f01776f431ba21f2be990e1cca13679853ffcb121e1bd257a60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b62734fe54484f01776f431ba21f2be990e1cca13679853ffcb121e1bd257a60", kill_on_drop: false }`
[INFO] [stdout] b62734fe54484f01776f431ba21f2be990e1cca13679853ffcb121e1bd257a60
[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=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 55f1a2e5c12dd4c7285fcdd37c1deb13d65f600b27c4d9c69a16d7a17a454e80
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "55f1a2e5c12dd4c7285fcdd37c1deb13d65f600b27c4d9c69a16d7a17a454e80", kill_on_drop: false }`
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/parser_helper.rs:19:16
[INFO] [stderr]    |
[INFO] [stderr] 19 |           panic!(format!(
[INFO] [stderr]    |  ________________^
[INFO] [stderr] 20 | |             "No int_map_* found on field {}",
[INFO] [stderr] 21 | |             field.ident.as_ref().unwrap()
[INFO] [stderr] 22 | |         ));
[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 panic!() 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] 19 ~         panic!(
[INFO] [stderr] 20 |             "No int_map_* found on field {}",
[INFO] [stderr] 21 |             field.ident.as_ref().unwrap()
[INFO] [stderr] 22 ~         );
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/parser_helper.rs:25:16
[INFO] [stderr]    |
[INFO] [stderr] 25 |           panic!(format!(
[INFO] [stderr]    |  ________________^
[INFO] [stderr] 26 | |             "Multiple int_map_* attributes found on field {}",
[INFO] [stderr] 27 | |             field.ident.as_ref().unwrap()
[INFO] [stderr] 28 | |         ));
[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]    = note: the panic!() 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] 25 ~         panic!(
[INFO] [stderr] 26 |             "Multiple int_map_* attributes found on field {}",
[INFO] [stderr] 27 |             field.ident.as_ref().unwrap()
[INFO] [stderr] 28 ~         );
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/parser_helper.rs:81:29
[INFO] [stderr]    |
[INFO] [stderr] 81 |                   _ => panic!(format!(
[INFO] [stderr]    |  _____________________________^
[INFO] [stderr] 82 | |                     "Non-literal int_map_id value for field {}: {}, value: {:?}",
[INFO] [stderr] 83 | |                     field.ident.as_ref().unwrap().to_string(),
[INFO] [stderr] 84 | |                     token.to_string(),
[INFO] [stderr] 85 | |                     token
[INFO] [stderr] 86 | |                 )),
[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]    = note: the panic!() 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] 81 ~                 _ => panic!(
[INFO] [stderr] 82 |                     "Non-literal int_map_id value for field {}: {}, value: {:?}",
[INFO] [stderr] 83 |                     field.ident.as_ref().unwrap().to_string(),
[INFO] [stderr] 84 |                     token.to_string(),
[INFO] [stderr] 85 |                     token
[INFO] [stderr] 86 ~                 ),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `serde_int_map_derive` (lib) generated 3 warnings
[INFO] [stderr] warning: `serde_int_map_derive` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_int_map_derive-f50bdad8d042e52d)
[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] [stderr]    Doc-tests serde_int_map_derive
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "55f1a2e5c12dd4c7285fcdd37c1deb13d65f600b27c4d9c69a16d7a17a454e80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55f1a2e5c12dd4c7285fcdd37c1deb13d65f600b27c4d9c69a16d7a17a454e80", kill_on_drop: false }`
[INFO] [stdout] 55f1a2e5c12dd4c7285fcdd37c1deb13d65f600b27c4d9c69a16d7a17a454e80