[INFO] fetching crate photonix_derive 0.1.1...
[INFO] checking photonix_derive-0.1.1 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate photonix_derive 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate photonix_derive 0.1.1
[INFO] finished tweaking crates.io crate photonix_derive 0.1.1
[INFO] tweaked toml for crates.io crate photonix_derive 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate photonix_derive 0.1.1 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (available: v1.0.95)
[INFO] [stderr]       Adding quote v0.6.13 (available: v1.0.40)
[INFO] [stderr]       Adding syn v0.15.44 (available: v2.0.104)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95e8c9daeb8164756edc9567a99739672dca417bc63b4452ccb25c57501486db
[INFO] running `Command { std: "docker" "start" "-a" "95e8c9daeb8164756edc9567a99739672dca417bc63b4452ccb25c57501486db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95e8c9daeb8164756edc9567a99739672dca417bc63b4452ccb25c57501486db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95e8c9daeb8164756edc9567a99739672dca417bc63b4452ccb25c57501486db", kill_on_drop: false }`
[INFO] [stdout] 95e8c9daeb8164756edc9567a99739672dca417bc63b4452ccb25c57501486db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 621b961dd37a6623fa3ae6efe1244fc97a384667cda78a02bbc45623e841147a
[INFO] running `Command { std: "docker" "start" "-a" "621b961dd37a6623fa3ae6efe1244fc97a384667cda78a02bbc45623e841147a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking photonix_derive v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib.rs:43:21
[INFO] [stdout]    |
[INFO] [stdout] 43 |         _ => panic![format!("Auto-derive of Get for enums is currently unsupported by {}", CRATE_NAME)]
[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]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 43 -         _ => panic![format!("Auto-derive of Get for enums is currently unsupported by {}", CRATE_NAME)]
[INFO] [stdout] 43 +         _ => panic!["Auto-derive of Get for enums is currently unsupported by {}", CRATE_NAME]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib.rs:91:21
[INFO] [stdout]    |
[INFO] [stdout] 91 |         _ => panic![format!("Auto-derive of GetRef for enums is currently unsupported by {}", CRATE_NAME)]
[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] 91 -         _ => panic![format!("Auto-derive of GetRef for enums is currently unsupported by {}", CRATE_NAME)]
[INFO] [stdout] 91 +         _ => panic!["Auto-derive of GetRef for enums is currently unsupported by {}", CRATE_NAME]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:139:21
[INFO] [stdout]     |
[INFO] [stdout] 139 |         _ => panic![format!("Auto-derive of GetOption for structs is currently unsupported by {}", CRATE_NAME)]
[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] 139 -         _ => panic![format!("Auto-derive of GetOption for structs is currently unsupported by {}", CRATE_NAME)]
[INFO] [stdout] 139 +         _ => panic!["Auto-derive of GetOption for structs is currently unsupported by {}", CRATE_NAME]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:215:21
[INFO] [stdout]     |
[INFO] [stdout] 215 |         _ => panic![format!("Cannot derive Set for {}", item)]
[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] 215 -         _ => panic![format!("Cannot derive Set for {}", item)]
[INFO] [stdout] 215 +         _ => panic!["Cannot derive Set for {}", item]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:342:21
[INFO] [stdout]     |
[INFO] [stdout] 342 |         _ => panic![format!("Auto-derive of SetOption for structs is currently unsupported by {}", CRATE_NAME)]
[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] 342 -         _ => panic![format!("Auto-derive of SetOption for structs is currently unsupported by {}", CRATE_NAME)]
[INFO] [stdout] 342 +         _ => panic!["Auto-derive of SetOption for structs is currently unsupported by {}", CRATE_NAME]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:435:21
[INFO] [stdout]     |
[INFO] [stdout] 435 |         _ => panic![format!("Cannot derive Modify for {}", item)]
[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] 435 -         _ => panic![format!("Cannot derive Modify for {}", item)]
[INFO] [stdout] 435 +         _ => panic!["Cannot derive Modify for {}", item]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:564:21
[INFO] [stdout]     |
[INFO] [stdout] 564 |         _ => panic![format!("Auto-derive of ModifyOption for structs is currently unsupported by {}", CRATE_NAME)]
[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] 564 -         _ => panic![format!("Auto-derive of ModifyOption for structs is currently unsupported by {}", CRATE_NAME)]
[INFO] [stdout] 564 +         _ => panic!["Auto-derive of ModifyOption for structs is currently unsupported by {}", CRATE_NAME]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:661:13
[INFO] [stdout]     |
[INFO] [stdout] 661 | /             format!(
[INFO] [stdout] 662 | |                 "Auto-derive of {} is currently unsupported by {} for items with generic parameters",
[INFO] [stdout] 663 | |                 src, CRATE_NAME
[INFO] [stdout] 664 | |             )
[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] 661 ~             
[INFO] [stdout] 662 |                 "Auto-derive of {} is currently unsupported by {} for items with generic parameters",
[INFO] [stdout] 663 |                 src, CRATE_NAME
[INFO] [stdout] 664 ~             
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib.rs:43:21
[INFO] [stdout]    |
[INFO] [stdout] 43 |         _ => panic![format!("Auto-derive of Get for enums is currently unsupported by {}", CRATE_NAME)]
[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]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 43 -         _ => panic![format!("Auto-derive of Get for enums is currently unsupported by {}", CRATE_NAME)]
[INFO] [stdout] 43 +         _ => panic!["Auto-derive of Get for enums is currently unsupported by {}", CRATE_NAME]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib.rs:91:21
[INFO] [stdout]    |
[INFO] [stdout] 91 |         _ => panic![format!("Auto-derive of GetRef for enums is currently unsupported by {}", CRATE_NAME)]
[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] 91 -         _ => panic![format!("Auto-derive of GetRef for enums is currently unsupported by {}", CRATE_NAME)]
[INFO] [stdout] 91 +         _ => panic!["Auto-derive of GetRef for enums is currently unsupported by {}", CRATE_NAME]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:139:21
[INFO] [stdout]     |
[INFO] [stdout] 139 |         _ => panic![format!("Auto-derive of GetOption for structs is currently unsupported by {}", CRATE_NAME)]
[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] 139 -         _ => panic![format!("Auto-derive of GetOption for structs is currently unsupported by {}", CRATE_NAME)]
[INFO] [stdout] 139 +         _ => panic!["Auto-derive of GetOption for structs is currently unsupported by {}", CRATE_NAME]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:215:21
[INFO] [stdout]     |
[INFO] [stdout] 215 |         _ => panic![format!("Cannot derive Set for {}", item)]
[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] 215 -         _ => panic![format!("Cannot derive Set for {}", item)]
[INFO] [stdout] 215 +         _ => panic!["Cannot derive Set for {}", item]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:342:21
[INFO] [stdout]     |
[INFO] [stdout] 342 |         _ => panic![format!("Auto-derive of SetOption for structs is currently unsupported by {}", CRATE_NAME)]
[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] 342 -         _ => panic![format!("Auto-derive of SetOption for structs is currently unsupported by {}", CRATE_NAME)]
[INFO] [stdout] 342 +         _ => panic!["Auto-derive of SetOption for structs is currently unsupported by {}", CRATE_NAME]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:435:21
[INFO] [stdout]     |
[INFO] [stdout] 435 |         _ => panic![format!("Cannot derive Modify for {}", item)]
[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] 435 -         _ => panic![format!("Cannot derive Modify for {}", item)]
[INFO] [stdout] 435 +         _ => panic!["Cannot derive Modify for {}", item]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:564:21
[INFO] [stdout]     |
[INFO] [stdout] 564 |         _ => panic![format!("Auto-derive of ModifyOption for structs is currently unsupported by {}", CRATE_NAME)]
[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] 564 -         _ => panic![format!("Auto-derive of ModifyOption for structs is currently unsupported by {}", CRATE_NAME)]
[INFO] [stdout] 564 +         _ => panic!["Auto-derive of ModifyOption for structs is currently unsupported by {}", CRATE_NAME]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:661:13
[INFO] [stdout]     |
[INFO] [stdout] 661 | /             format!(
[INFO] [stdout] 662 | |                 "Auto-derive of {} is currently unsupported by {} for items with generic parameters",
[INFO] [stdout] 663 | |                 src, CRATE_NAME
[INFO] [stdout] 664 | |             )
[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] 661 ~             
[INFO] [stdout] 662 |                 "Auto-derive of {} is currently unsupported by {} for items with generic parameters",
[INFO] [stdout] 663 |                 src, CRATE_NAME
[INFO] [stdout] 664 ~             
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.79s
[INFO] running `Command { std: "docker" "inspect" "621b961dd37a6623fa3ae6efe1244fc97a384667cda78a02bbc45623e841147a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "621b961dd37a6623fa3ae6efe1244fc97a384667cda78a02bbc45623e841147a", kill_on_drop: false }`
[INFO] [stdout] 621b961dd37a6623fa3ae6efe1244fc97a384667cda78a02bbc45623e841147a