[INFO] fetching crate proc_macro_roids 0.7.0...
[INFO] testing proc_macro_roids-0.7.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate proc_macro_roids 0.7.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate proc_macro_roids 0.7.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate proc_macro_roids 0.7.0
[INFO] finished tweaking crates.io crate proc_macro_roids 0.7.0
[INFO] tweaked toml for crates.io crate proc_macro_roids 0.7.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e61bf4892374686a89f722af919e914a21fd2edc550f0046e7a2db9b2c7544d2
[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" "e61bf4892374686a89f722af919e914a21fd2edc550f0046e7a2db9b2c7544d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e61bf4892374686a89f722af919e914a21fd2edc550f0046e7a2db9b2c7544d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e61bf4892374686a89f722af919e914a21fd2edc550f0046e7a2db9b2c7544d2", kill_on_drop: false }`
[INFO] [stdout] e61bf4892374686a89f722af919e914a21fd2edc550f0046e7a2db9b2c7544d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "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] 81adc69c20301e8fb434beb51a967c881c2321447a09d450459a873b41a300d3
[INFO] running `Command { std: "docker" "start" "-a" "81adc69c20301e8fb434beb51a967c881c2321447a09d450459a873b41a300d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc_macro_roids v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/derive_input_newtype_ext.rs:45:24
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 panic!(NEWTYPE_MUST_HAVE_ONLY_ONE_FIELD)
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 panic!("{}", NEWTYPE_MUST_HAVE_ONLY_ONE_FIELD)
[INFO] [stdout]    |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 std::panic::panic_any(NEWTYPE_MUST_HAVE_ONLY_ONE_FIELD)
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/derive_input_newtype_ext.rs:48:20
[INFO] [stdout]    |
[INFO] [stdout] 48 |             panic!(MACRO_MUST_BE_USED_ON_NEWTYPE_STRUCT)
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 48 |             panic!("{}", MACRO_MUST_BE_USED_ON_NEWTYPE_STRUCT)
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 48 |             std::panic::panic_any(MACRO_MUST_BE_USED_ON_NEWTYPE_STRUCT)
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/derive_input_newtype_ext.rs:67:24
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 panic!(NEWTYPE_MUST_HAVE_ONLY_ONE_FIELD)
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 panic!("{}", NEWTYPE_MUST_HAVE_ONLY_ONE_FIELD)
[INFO] [stdout]    |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 std::panic::panic_any(NEWTYPE_MUST_HAVE_ONLY_ONE_FIELD)
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/derive_input_newtype_ext.rs:70:20
[INFO] [stdout]    |
[INFO] [stdout] 70 |             panic!(MACRO_MUST_BE_USED_ON_NEWTYPE_STRUCT)
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 70 |             panic!("{}", MACRO_MUST_BE_USED_ON_NEWTYPE_STRUCT)
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 70 |             std::panic::panic_any(MACRO_MUST_BE_USED_ON_NEWTYPE_STRUCT)
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/fields_named_append.rs:27:42
[INFO] [stdout]    |
[INFO] [stdout] 27 |             Fields::Unnamed(_) => panic!(ERR_MUST_BE_UNIT_OR_NAMED),
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 27 |             Fields::Unnamed(_) => panic!("{}", ERR_MUST_BE_UNIT_OR_NAMED),
[INFO] [stdout]    |                                          ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 27 |             Fields::Unnamed(_) => std::panic::panic_any(ERR_MUST_BE_UNIT_OR_NAMED),
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/fields_unnamed_append.rs:24:40
[INFO] [stdout]    |
[INFO] [stdout] 24 |             Fields::Named(_) => panic!(ERR_MUST_BE_UNIT_OR_UNNAMED),
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 24 |             Fields::Named(_) => panic!("{}", ERR_MUST_BE_UNIT_OR_UNNAMED),
[INFO] [stdout]    |                                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 24 |             Fields::Named(_) => std::panic::panic_any(ERR_MUST_BE_UNIT_OR_UNNAMED),
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `Command { std: "docker" "inspect" "81adc69c20301e8fb434beb51a967c881c2321447a09d450459a873b41a300d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81adc69c20301e8fb434beb51a967c881c2321447a09d450459a873b41a300d3", kill_on_drop: false }`
[INFO] [stdout] 81adc69c20301e8fb434beb51a967c881c2321447a09d450459a873b41a300d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd033a84585dc20746af35a849939393606184414da9909bced6d134dc5db23a
[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" "dd033a84585dc20746af35a849939393606184414da9909bced6d134dc5db23a", kill_on_drop: false }`
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/derive_input_newtype_ext.rs:45:24
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 panic!(NEWTYPE_MUST_HAVE_ONLY_ONE_FIELD)
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 panic!("{}", NEWTYPE_MUST_HAVE_ONLY_ONE_FIELD)
[INFO] [stdout]    |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 std::panic::panic_any(NEWTYPE_MUST_HAVE_ONLY_ONE_FIELD)
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/derive_input_newtype_ext.rs:48:20
[INFO] [stdout]    |
[INFO] [stdout] 48 |             panic!(MACRO_MUST_BE_USED_ON_NEWTYPE_STRUCT)
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 48 |             panic!("{}", MACRO_MUST_BE_USED_ON_NEWTYPE_STRUCT)
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 48 |             std::panic::panic_any(MACRO_MUST_BE_USED_ON_NEWTYPE_STRUCT)
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/derive_input_newtype_ext.rs:67:24
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 panic!(NEWTYPE_MUST_HAVE_ONLY_ONE_FIELD)
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 panic!("{}", NEWTYPE_MUST_HAVE_ONLY_ONE_FIELD)
[INFO] [stdout]    |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 std::panic::panic_any(NEWTYPE_MUST_HAVE_ONLY_ONE_FIELD)
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/derive_input_newtype_ext.rs:70:20
[INFO] [stdout]    |
[INFO] [stdout] 70 |             panic!(MACRO_MUST_BE_USED_ON_NEWTYPE_STRUCT)
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 70 |             panic!("{}", MACRO_MUST_BE_USED_ON_NEWTYPE_STRUCT)
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 70 |             std::panic::panic_any(MACRO_MUST_BE_USED_ON_NEWTYPE_STRUCT)
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/fields_named_append.rs:27:42
[INFO] [stdout]    |
[INFO] [stdout] 27 |             Fields::Unnamed(_) => panic!(ERR_MUST_BE_UNIT_OR_NAMED),
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 27 |             Fields::Unnamed(_) => panic!("{}", ERR_MUST_BE_UNIT_OR_NAMED),
[INFO] [stdout]    |                                          ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 27 |             Fields::Unnamed(_) => std::panic::panic_any(ERR_MUST_BE_UNIT_OR_NAMED),
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/fields_unnamed_append.rs:24:40
[INFO] [stdout]    |
[INFO] [stdout] 24 |             Fields::Named(_) => panic!(ERR_MUST_BE_UNIT_OR_UNNAMED),
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 24 |             Fields::Named(_) => panic!("{}", ERR_MUST_BE_UNIT_OR_UNNAMED),
[INFO] [stdout]    |                                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 24 |             Fields::Named(_) => std::panic::panic_any(ERR_MUST_BE_UNIT_OR_UNNAMED),
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling proc_macro_roids v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/derive_input_ext.rs:221:21
[INFO] [stdout]     |
[INFO] [stdout] 221 |                     assertion_message // kcov-ignore
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 221 |                     "{}", assertion_message // kcov-ignore
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/derive_input_newtype_ext.rs:45:24
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 panic!(NEWTYPE_MUST_HAVE_ONLY_ONE_FIELD)
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 panic!("{}", NEWTYPE_MUST_HAVE_ONLY_ONE_FIELD)
[INFO] [stdout]    |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 45 |                 std::panic::panic_any(NEWTYPE_MUST_HAVE_ONLY_ONE_FIELD)
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/derive_input_newtype_ext.rs:48:20
[INFO] [stdout]    |
[INFO] [stdout] 48 |             panic!(MACRO_MUST_BE_USED_ON_NEWTYPE_STRUCT)
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 48 |             panic!("{}", MACRO_MUST_BE_USED_ON_NEWTYPE_STRUCT)
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 48 |             std::panic::panic_any(MACRO_MUST_BE_USED_ON_NEWTYPE_STRUCT)
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/derive_input_newtype_ext.rs:67:24
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 panic!(NEWTYPE_MUST_HAVE_ONLY_ONE_FIELD)
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 panic!("{}", NEWTYPE_MUST_HAVE_ONLY_ONE_FIELD)
[INFO] [stdout]    |                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 std::panic::panic_any(NEWTYPE_MUST_HAVE_ONLY_ONE_FIELD)
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/derive_input_newtype_ext.rs:70:20
[INFO] [stdout]    |
[INFO] [stdout] 70 |             panic!(MACRO_MUST_BE_USED_ON_NEWTYPE_STRUCT)
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 70 |             panic!("{}", MACRO_MUST_BE_USED_ON_NEWTYPE_STRUCT)
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 70 |             std::panic::panic_any(MACRO_MUST_BE_USED_ON_NEWTYPE_STRUCT)
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/field_ext.rs:256:25
[INFO] [stdout]     |
[INFO] [stdout] 256 |                         assertion_message // kcov-ignore
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 256 |                         "{}", assertion_message // kcov-ignore
[INFO] [stdout]     |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/field_ext.rs:320:25
[INFO] [stdout]     |
[INFO] [stdout] 320 |                         assertion_message // kcov-ignore
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 320 |                         "{}", assertion_message // kcov-ignore
[INFO] [stdout]     |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/fields_named_append.rs:27:42
[INFO] [stdout]    |
[INFO] [stdout] 27 |             Fields::Unnamed(_) => panic!(ERR_MUST_BE_UNIT_OR_NAMED),
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 27 |             Fields::Unnamed(_) => panic!("{}", ERR_MUST_BE_UNIT_OR_NAMED),
[INFO] [stdout]    |                                          ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 27 |             Fields::Unnamed(_) => std::panic::panic_any(ERR_MUST_BE_UNIT_OR_NAMED),
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/fields_unnamed_append.rs:24:40
[INFO] [stdout]    |
[INFO] [stdout] 24 |             Fields::Named(_) => panic!(ERR_MUST_BE_UNIT_OR_UNNAMED),
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 24 |             Fields::Named(_) => panic!("{}", ERR_MUST_BE_UNIT_OR_UNNAMED),
[INFO] [stdout]    |                                        ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 24 |             Fields::Named(_) => std::panic::panic_any(ERR_MUST_BE_UNIT_OR_UNNAMED),
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.53s
[INFO] running `Command { std: "docker" "inspect" "dd033a84585dc20746af35a849939393606184414da9909bced6d134dc5db23a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd033a84585dc20746af35a849939393606184414da9909bced6d134dc5db23a", kill_on_drop: false }`
[INFO] [stdout] dd033a84585dc20746af35a849939393606184414da9909bced6d134dc5db23a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", 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] dfae75bb259619440f05264b2a5f191aeb744d9dd31aac94c9bce0212ba2df08
[INFO] running `Command { std: "docker" "start" "-a" "dfae75bb259619440f05264b2a5f191aeb744d9dd31aac94c9bce0212ba2df08", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stdout] running 88 tests
[INFO] [stderr]   --> src/derive_input_newtype_ext.rs:45:24
[INFO] [stderr]    |
[INFO] [stderr] 45 |                 panic!(NEWTYPE_MUST_HAVE_ONLY_ONE_FIELD)
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 45 |                 panic!("{}", NEWTYPE_MUST_HAVE_ONLY_ONE_FIELD)
[INFO] [stderr]    |                        ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 45 |                 std::panic::panic_any(NEWTYPE_MUST_HAVE_ONLY_ONE_FIELD)
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/derive_input_newtype_ext.rs:48:20
[INFO] [stderr]    |
[INFO] [stderr] 48 |             panic!(MACRO_MUST_BE_USED_ON_NEWTYPE_STRUCT)
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 48 |             panic!("{}", MACRO_MUST_BE_USED_ON_NEWTYPE_STRUCT)
[INFO] [stderr]    |                    ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 48 |             std::panic::panic_any(MACRO_MUST_BE_USED_ON_NEWTYPE_STRUCT)
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/derive_input_newtype_ext.rs:67:24
[INFO] [stderr]    |
[INFO] [stderr] 67 |                 panic!(NEWTYPE_MUST_HAVE_ONLY_ONE_FIELD)
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 67 |                 panic!("{}", NEWTYPE_MUST_HAVE_ONLY_ONE_FIELD)
[INFO] [stderr]    |                        ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 67 |                 std::panic::panic_any(NEWTYPE_MUST_HAVE_ONLY_ONE_FIELD)
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/derive_input_newtype_ext.rs:70:20
[INFO] [stderr]    |
[INFO] [stderr] 70 |             panic!(MACRO_MUST_BE_USED_ON_NEWTYPE_STRUCT)
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 70 |             panic!("{}", MACRO_MUST_BE_USED_ON_NEWTYPE_STRUCT)
[INFO] [stderr]    |                    ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 70 |             std::panic::panic_any(MACRO_MUST_BE_USED_ON_NEWTYPE_STRUCT)
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/fields_named_append.rs:27:42
[INFO] [stderr]    |
[INFO] [stderr] 27 |             Fields::Unnamed(_) => panic!(ERR_MUST_BE_UNIT_OR_NAMED),
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 27 |             Fields::Unnamed(_) => panic!("{}", ERR_MUST_BE_UNIT_OR_NAMED),
[INFO] [stderr]    |                                          ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 27 |             Fields::Unnamed(_) => std::panic::panic_any(ERR_MUST_BE_UNIT_OR_NAMED),
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/fields_unnamed_append.rs:24:40
[INFO] [stderr]    |
[INFO] [stderr] 24 |             Fields::Named(_) => panic!(ERR_MUST_BE_UNIT_OR_UNNAMED),
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 24 |             Fields::Named(_) => panic!("{}", ERR_MUST_BE_UNIT_OR_UNNAMED),
[INFO] [stderr]    |                                        ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 24 |             Fields::Named(_) => std::panic::panic_any(ERR_MUST_BE_UNIT_OR_UNNAMED),
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/derive_input_ext.rs:221:21
[INFO] [stderr]     |
[INFO] [stderr] 221 |                     assertion_message // kcov-ignore
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]     |
[INFO] [stderr] 221 |                     "{}", assertion_message // kcov-ignore
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/derive_input_newtype_ext.rs:45:24
[INFO] [stderr]    |
[INFO] [stderr] 45 |                 panic!(NEWTYPE_MUST_HAVE_ONLY_ONE_FIELD)
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 45 |                 panic!("{}", NEWTYPE_MUST_HAVE_ONLY_ONE_FIELD)
[INFO] [stderr]    |                        ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 45 |                 std::panic::panic_any(NEWTYPE_MUST_HAVE_ONLY_ONE_FIELD)
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/derive_input_newtype_ext.rs:48:20
[INFO] [stderr]    |
[INFO] [stderr] 48 |             panic!(MACRO_MUST_BE_USED_ON_NEWTYPE_STRUCT)
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 48 |             panic!("{}", MACRO_MUST_BE_USED_ON_NEWTYPE_STRUCT)
[INFO] [stderr]    |                    ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 48 |             std::panic::panic_any(MACRO_MUST_BE_USED_ON_NEWTYPE_STRUCT)
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/derive_input_newtype_ext.rs:67:24
[INFO] [stderr]    |
[INFO] [stderr] 67 |                 panic!(NEWTYPE_MUST_HAVE_ONLY_ONE_FIELD)
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 67 |                 panic!("{}", NEWTYPE_MUST_HAVE_ONLY_ONE_FIELD)
[INFO] [stderr]    |                        ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 67 |                 std::panic::panic_any(NEWTYPE_MUST_HAVE_ONLY_ONE_FIELD)
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/derive_input_newtype_ext.rs:70:20
[INFO] [stderr]    |
[INFO] [stderr] 70 |             panic!(MACRO_MUST_BE_USED_ON_NEWTYPE_STRUCT)
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 70 |             panic!("{}", MACRO_MUST_BE_USED_ON_NEWTYPE_STRUCT)
[INFO] [stderr]    |                    ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 70 |             std::panic::panic_any(MACRO_MUST_BE_USED_ON_NEWTYPE_STRUCT)
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/field_ext.rs:256:25
[INFO] [stderr]     |
[INFO] [stderr] 256 |                         assertion_message // kcov-ignore
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]     |
[INFO] [stderr] 256 |                         "{}", assertion_message // kcov-ignore
[INFO] [stderr]     |                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/field_ext.rs:320:25
[INFO] [stderr]     |
[INFO] [stderr] 320 |                         assertion_message // kcov-ignore
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]     |
[INFO] [stderr] 320 |                         "{}", assertion_message // kcov-ignore
[INFO] [stderr]     |                         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/fields_named_append.rs:27:42
[INFO] [stderr]    |
[INFO] [stderr] 27 |             Fields::Unnamed(_) => panic!(ERR_MUST_BE_UNIT_OR_NAMED),
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 27 |             Fields::Unnamed(_) => panic!("{}", ERR_MUST_BE_UNIT_OR_NAMED),
[INFO] [stderr]    |                                          ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 27 |             Fields::Unnamed(_) => std::panic::panic_any(ERR_MUST_BE_UNIT_OR_NAMED),
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/fields_unnamed_append.rs:24:40
[INFO] [stderr]    |
[INFO] [stderr] 24 |             Fields::Named(_) => panic!(ERR_MUST_BE_UNIT_OR_UNNAMED),
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 24 |             Fields::Named(_) => panic!("{}", ERR_MUST_BE_UNIT_OR_UNNAMED),
[INFO] [stderr]    |                                        ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 24 |             Fields::Named(_) => std::panic::panic_any(ERR_MUST_BE_UNIT_OR_UNNAMED),
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/proc_macro_roids-57fce00f994f35b5)
[INFO] [stdout] test derive_input_ext::tests::tag_parameter_returns_ident_when_present ... ok
[INFO] [stdout] test derive_input_ext::tests::tag_parameter_returns_none_when_not_present ... ok
[INFO] [stdout] test derive_input_ext::tests::tag_parameters_returns_empty_vec_when_not_present ... ok
[INFO] [stdout] test derive_input_ext::tests::append_derives_creates_attr_when_attr_does_not_exist ... ok
[INFO] [stdout] test derive_input_ext::tests::append_derives_appends_to_attr_when_attr_exists ... ok
[INFO] [stdout] test derive_input_newtype_ext::tests::is_newtype_returns_false_when_fields_not_tuple ... ok
[INFO] [stdout] test derive_input_newtype_ext::tests::is_newtype_returns_false_when_fields_unnamed_and_zero ... ok
[INFO] [stdout] test derive_input_newtype_ext::tests::is_newtype_returns_false_when_fields_unnamed_and_more_than_one ... ok
[INFO] [stdout] test derive_input_struct_ext::tests::assert_fields_named_does_not_panic_when_fields_named ... ok
[INFO] [stdout] test derive_input_newtype_ext::tests::inner_type_mut_returns_field ... ok
[INFO] [stdout] test derive_input_ext::tests::tag_parameters_returns_idents_when_present ... ok
[INFO] [stdout] test derive_input_ext::tests::contains_tag_returns_true_when_tag_exists ... ok
[INFO] [stdout] test derive_input_newtype_ext::tests::is_newtype_returns_true_when_fields_unnamed_and_exactly_one ... ok
[INFO] [stdout] test derive_input_ext::tests::contains_tag_returns_false_when_tag_does_not_exist ... ok
[INFO] [stdout] test derive_input_struct_ext::tests::assert_fields_unnamed_does_not_panic_when_fields_unnamed ... ok
[INFO] [stdout] test derive_input_struct_ext::tests::assert_fields_unit_does_not_panic_when_fields_unit ... ok
[INFO] [stdout] test derive_input_struct_ext::tests::fields_mut_returns_named_fields ... ok
[INFO] [stdout] test derive_input_struct_ext::tests::data_struct_mut_returns_data_struct_mut ... ok
[INFO] [stdout] test derive_input_struct_ext::tests::data_struct_returns_data_struct ... ok
[INFO] [stdout] test derive_input_newtype_ext::tests::inner_type_returns_field ... ok
[INFO] [stdout] test derive_input_struct_ext::tests::fields_mut_returns_unit_fields ... ok
[INFO] [stdout] test derive_input_struct_ext::tests::fields_mut_returns_unnamed_fields ... ok
[INFO] [stdout] test derive_input_struct_ext::tests::fields_named_mut_returns_named_fields ... ok
[INFO] [stdout] test derive_input_ext::tests::tag_parameter_panics_when_multiple_parameters_present - should panic ... ok
[INFO] [stdout] test derive_input_struct_ext::tests::assert_fields_named_panics_when_fields_not_named - should panic ... ok
[INFO] [stdout] test derive_input_newtype_ext::tests::inner_type_panics_when_struct_fields_not_unnamed - should panic ... ok
[INFO] [stdout] test derive_input_newtype_ext::tests::inner_type_mut_panics_when_struct_fields_not_unnamed - should panic ... ok
[INFO] [stdout] test derive_input_ext::tests::append_derives_panics_when_derives_exist - should panic ... ok
[INFO] [stdout] test derive_input_struct_ext::tests::fields_returns_unit_fields ... ok
[INFO] [stdout] test derive_input_struct_ext::tests::fields_named_returns_named_fields ... ok
[INFO] [stdout] test derive_input_struct_ext::tests::fields_returns_unnamed_fields ... ok
[INFO] [stdout] test derive_input_struct_ext::tests::fields_panics_when_ast_is_not_struct - should panic ... ok
[INFO] [stdout] test derive_input_struct_ext::tests::fields_returns_named_fields ... ok
[INFO] [stdout] test derive_input_struct_ext::tests::is_tuple_returns_false_when_fields_not_unnamed ... ok
[INFO] [stdout] test derive_input_struct_ext::tests::is_unit_returns_false_when_fields_not_unit ... ok
[INFO] [stdout] test derive_input_struct_ext::tests::is_tuple_returns_true_when_fields_unnamed ... ok
[INFO] [stdout] test derive_input_struct_ext::tests::is_named_returns_true_when_fields_named ... ok
[INFO] [stdout] test field_ext::tests::fields_named::contains_tag_returns_false_when_tag_does_not_exist ... ok
[INFO] [stdout] test derive_input_newtype_ext::tests::inner_type_panics_when_struct_has_multiple_fields - should panic ... ok
[INFO] [stdout] test field_ext::tests::fields_named::contains_tag_returns_true_when_tag_exists ... ok
[INFO] [stdout] test derive_input_struct_ext::tests::data_struct_panics_when_ast_is_not_struct - should panic ... ok
[INFO] [stdout] test field_ext::tests::fields_unnamed::contains_tag_returns_true_when_tag_exists ... ok
[INFO] [stdout] test field_ext::tests::is_phantom_data_returns_false_for_non_phantom_data ... ok
[INFO] [stdout] test derive_input_struct_ext::tests::assert_fields_unnamed_panics_when_fields_not_unnamed - should panic ... ok
[INFO] [stdout] test derive_input_struct_ext::tests::is_named_returns_false_when_fields_not_named ... ok
[INFO] [stdout] test derive_input_struct_ext::tests::is_unit_returns_true_when_fields_unit ... ok
[INFO] [stdout] test derive_input_struct_ext::tests::data_struct_mut_panics_when_ast_is_not_struct - should panic ... ok
[INFO] [stdout] test field_ext::tests::tag_parameter_returns_none_when_not_present ... ok
[INFO] [stdout] test field_ext::tests::type_name_returns_simple_type_name ... ok
[INFO] [stdout] test field_ext::tests::tag_parameter_returns_path_when_present ... ok
[INFO] [stdout] test fields_ext::tests::construction_form_fields_unit_is_empty_token_stream ... ok
[INFO] [stdout] test field_ext::tests::tag_parameters_returns_paths_when_present ... ok
[INFO] [stdout] test derive_input_struct_ext::tests::assert_fields_unit_panics_when_fields_not_unit - should panic ... ok
[INFO] [stdout] test field_ext::tests::tag_parameters_returns_empty_vec_when_not_present ... ok
[INFO] [stdout] test field_ext::tests::fields_unnamed::contains_tag_returns_false_when_tag_does_not_exist ... ok
[INFO] [stdout] test fields_ext::tests::construction_form_fields_unnamed_is_parentheses_surrounding_comma_separated_variable_ns ... ok
[INFO] [stdout] test fields_ext::tests::construction_form_fields_named_is_brace_surrounding_comma_separated_variable_names ... ok
[INFO] [stdout] test derive_input_newtype_ext::tests::inner_type_mut_panics_when_struct_has_multiple_fields - should panic ... ok
[INFO] [stdout] test derive_input_struct_ext::tests::fields_mut_panics_when_ast_is_not_struct - should panic ... ok
[INFO] [stdout] test derive_input_struct_ext::tests::fields_named_mut_panics_when_ast_is_not_struct - should panic ... ok
[INFO] [stdout] test fields_ext::tests::construction_form_fields_unnamed_one_field_includes_trailing_comma ... ok
[INFO] [stdout] test fields_ext::tests::is_named_returns_false_when_fields_not_named ... ok
[INFO] [stdout] test fields_ext::tests::is_named_returns_true_when_fields_named ... ok
[INFO] [stdout] test fields_ext::tests::is_unit_returns_false_when_fields_not_unit ... ok
[INFO] [stdout] test derive_input_struct_ext::tests::fields_named_panics_when_ast_is_not_struct - should panic ... ok
[INFO] [stdout] test fields_ext::tests::is_tuple_returns_true_when_fields_unnamed ... ok
[INFO] [stdout] test derive_input_struct_ext::tests::fields_named_panics_when_fields_unit - should panic ... ok
[INFO] [stdout] test fields_named_append::tests::append_fields_named_to_fields_unit ... ok
[INFO] [stdout] test fields_ext::tests::is_tuple_returns_false_when_fields_not_unnamed ... ok
[INFO] [stdout] test derive_input_struct_ext::tests::fields_named_mut_panics_when_fields_unit - should panic ... ok
[INFO] [stdout] test fields_ext::tests::is_unit_returns_true_when_fields_unit ... ok
[INFO] [stdout] test field_ext::tests::is_phantom_data_returns_true_for_phantom_data ... ok
[INFO] [stdout] test fields_named_append::tests::append_fields_named_to_struct_unit ... ok
[INFO] [stdout] test fields_unnamed_append::tests::append_fields_unnamed_to_fields_unnamed ... ok
[INFO] [stdout] test fields_unnamed_append::tests::append_fields_unnamed_to_struct_unit ... ok
[INFO] [stdout] test fields_unnamed_append::tests::append_fields_unnamed_to_fields_unit ... ok
[INFO] [stdout] test fields_named_append::tests::append_fields_named_to_struct_named ... ok
[INFO] [stderr]    Doc-tests proc_macro_roids
[INFO] [stdout] test fields_named_append::tests::append_fields_named_to_fields_named ... ok
[INFO] [stdout] test ident_ext::tests::append_str_returns_appended_ident ... ok
[INFO] [stdout] test fields_named_append::tests::append_fields_named_to_fields_unnamed_panics - should panic ... ok
[INFO] [stdout] test ident_ext::tests::prepend_ident_ref_returns_prepended_ident ... ok
[INFO] [stdout] test ident_ext::tests::prepend_str_returns_prepended_ident ... ok
[INFO] [stdout] test fields_unnamed_append::tests::append_fields_unnamed_to_struct_unnamed ... ok
[INFO] [stdout] test ident_ext::tests::prepend_ident_returns_prepended_ident ... ok
[INFO] [stdout] test field_ext::tests::tag_parameter_panics_when_multiple_parameters_present - should panic ... ok
[INFO] [stdout] test ident_ext::tests::append_ident_ref_returns_appended_ident ... ok
[INFO] [stdout] test ident_ext::tests::append_ident_returns_appended_ident ... ok
[INFO] [stdout] test fields_unnamed_append::tests::append_fields_unnamed_to_fields_unnamed_panics - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 88 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test src/lib.rs - (line 118) ... ignored
[INFO] [stdout] test src/lib.rs - (line 12) ... ignored
[INFO] [stdout] test src/lib.rs - (line 160) ... ignored
[INFO] [stdout] test src/lib.rs - (line 202) ... ignored
[INFO] [stdout] test src/lib.rs - (line 82) ... ignored
[INFO] [stdout] test src/util.rs - util::namespace_parameters (line 146) ... ok
[INFO] [stdout] test src/lib.rs - (line 244) ... ok
[INFO] [stdout] test src/util.rs - util::tag_parameters (line 252) ... ok
[INFO] [stdout] test src/util.rs - util::namespace_meta_lists_iter (line 292) ... ok
[INFO] [stdout] test src/util.rs - util::tag_meta_lists_iter (line 369) ... ok
[INFO] [stdout] test src/util.rs - util::namespace_parameter (line 86) ... ok
[INFO] [stdout] test src/lib.rs - (line 287) ... ok
[INFO] [stdout] test src/lib.rs - (line 321) ... ok
[INFO] [stdout] test src/util.rs - util::tag_parameter (line 189) ... ok
[INFO] [stdout] test src/lib.rs - (line 266) ... ok
[INFO] [stdout] test src/util.rs - util::namespace_meta_lists (line 338) ... ok
[INFO] [stdout] test src/util.rs - util::tag_meta_lists_owned_iter (line 421) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 5 ignored; 0 measured; 0 filtered out; finished in 5.28s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dfae75bb259619440f05264b2a5f191aeb744d9dd31aac94c9bce0212ba2df08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfae75bb259619440f05264b2a5f191aeb744d9dd31aac94c9bce0212ba2df08", kill_on_drop: false }`
[INFO] [stdout] dfae75bb259619440f05264b2a5f191aeb744d9dd31aac94c9bce0212ba2df08
