[INFO] fetching crate serde_int_map_derive 0.3.0...
[INFO] testing serde_int_map_derive-0.3.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate serde_int_map_derive 0.3.0 into /workspace/builds/worker-4-tc2/source
[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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde_int_map_derive 0.3.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b39ddfa376f1a1a08c05efc1cee68d8eea7cf0fe168e680bdb6554886a16ef2
[INFO] running `Command { std: "docker" "start" "-a" "2b39ddfa376f1a1a08c05efc1cee68d8eea7cf0fe168e680bdb6554886a16ef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b39ddfa376f1a1a08c05efc1cee68d8eea7cf0fe168e680bdb6554886a16ef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b39ddfa376f1a1a08c05efc1cee68d8eea7cf0fe168e680bdb6554886a16ef2", kill_on_drop: false }`
[INFO] [stdout] 2b39ddfa376f1a1a08c05efc1cee68d8eea7cf0fe168e680bdb6554886a16ef2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4ce3261a8928a84d417946cfd0b2225ff30c4d7f96a4de3c86be7d75683c9f1
[INFO] running `Command { std: "docker" "start" "-a" "e4ce3261a8928a84d417946cfd0b2225ff30c4d7f96a4de3c86be7d75683c9f1", 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: 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/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[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/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/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] ...
[INFO] [stdout] 85 |                     token
[INFO] [stdout] 86 ~                 ),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "e4ce3261a8928a84d417946cfd0b2225ff30c4d7f96a4de3c86be7d75683c9f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4ce3261a8928a84d417946cfd0b2225ff30c4d7f96a4de3c86be7d75683c9f1", kill_on_drop: false }`
[INFO] [stdout] e4ce3261a8928a84d417946cfd0b2225ff30c4d7f96a4de3c86be7d75683c9f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5707c35afed0fe48cfde383cee6d520d809061900e8ea0c780ee5b8bc8a33ab
[INFO] running `Command { std: "docker" "start" "-a" "a5707c35afed0fe48cfde383cee6d520d809061900e8ea0c780ee5b8bc8a33ab", kill_on_drop: false }`
[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: 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/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[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/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/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] ...
[INFO] [stdout] 85 |                     token
[INFO] [stdout] 86 ~                 ),
[INFO] [stdout]    |
[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: 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/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[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/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/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] ...
[INFO] [stdout] 85 |                     token
[INFO] [stdout] 86 ~                 ),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "a5707c35afed0fe48cfde383cee6d520d809061900e8ea0c780ee5b8bc8a33ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5707c35afed0fe48cfde383cee6d520d809061900e8ea0c780ee5b8bc8a33ab", kill_on_drop: false }`
[INFO] [stdout] a5707c35afed0fe48cfde383cee6d520d809061900e8ea0c780ee5b8bc8a33ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cf9d28c826a63817bf3f6d300bcad2c7b094d28d5d026fc95fdf705733124311
[INFO] running `Command { std: "docker" "start" "-a" "cf9d28c826a63817bf3f6d300bcad2c7b094d28d5d026fc95fdf705733124311", 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: 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/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]    = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stderr]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[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/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/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] ...
[INFO] [stderr] 85 |                     token
[INFO] [stderr] 86 ~                 ),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `serde_int_map_derive` (lib) generated 3 warnings (run `cargo fix --lib -p serde_int_map_derive` to apply 3 suggestions)
[INFO] [stderr] warning: `serde_int_map_derive` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_int_map_derive-c25e068bf03b3771)
[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 serde_int_map_derive
[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" "cf9d28c826a63817bf3f6d300bcad2c7b094d28d5d026fc95fdf705733124311", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf9d28c826a63817bf3f6d300bcad2c7b094d28d5d026fc95fdf705733124311", kill_on_drop: false }`
[INFO] [stdout] cf9d28c826a63817bf3f6d300bcad2c7b094d28d5d026fc95fdf705733124311