[INFO] fetching crate enumx_derive 0.4.0...
[INFO] checking enumx_derive-0.4.0 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate enumx_derive 0.4.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate enumx_derive 0.4.0 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate enumx_derive 0.4.0
[INFO] finished tweaking crates.io crate enumx_derive 0.4.0
[INFO] tweaked toml for crates.io crate enumx_derive 0.4.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29616559a19f1e2c9b7ede885415236ed36771c9f0ee912603e56c3e049c8611
[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" "29616559a19f1e2c9b7ede885415236ed36771c9f0ee912603e56c3e049c8611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29616559a19f1e2c9b7ede885415236ed36771c9f0ee912603e56c3e049c8611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29616559a19f1e2c9b7ede885415236ed36771c9f0ee912603e56c3e049c8611", kill_on_drop: false }`
[INFO] [stdout] 29616559a19f1e2c9b7ede885415236ed36771c9f0ee912603e56c3e049c8611
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04deb5ec5558b485c48187f58095fbd3df477fd5af4e545097df56c23b0eedfa
[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" "04deb5ec5558b485c48187f58095fbd3df477fd5af4e545097df56c23b0eedfa", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]     Checking quote v1.0.8
[INFO] [stderr]     Checking enumx_derive v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]    --> src/lib.rs:154:43
[INFO] [stdout]     |
[INFO] [stdout] 154 |                 _ => panic!( "expect _def!{{}}" ),
[INFO] [stdout]     |                                           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(panic_fmt)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string, but will be in a future Rust edition
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 154 |                 _ => panic!( "{}", "expect _def!{{}}" ),
[INFO] [stdout]     |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]    --> src/lib.rs:79:9
[INFO] [stdout]     |
[INFO] [stdout] 79  |         panic!( "`enum`s deriving `FromVariant`/`Proto` should be in the form of \"enum MyEnum { Foo(Type), Bar(AnotherType),... }\"" );
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 451 |                 syntax_error!();
[INFO] [stdout]     |                 ---------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string, but will be in a future Rust edition
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 79  |         panic!( "{}", "`enum`s deriving `FromVariant`/`Proto` should be in the form of \"enum MyEnum { Foo(Type), Bar(AnotherType),... }\"" );
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]    --> src/lib.rs:79:9
[INFO] [stdout]     |
[INFO] [stdout] 79  |         panic!( "`enum`s deriving `FromVariant`/`Proto` should be in the form of \"enum MyEnum { Foo(Type), Bar(AnotherType),... }\"" );
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 512 |                 syntax_error!();
[INFO] [stdout]     |                 ---------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string, but will be in a future Rust edition
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 79  |         panic!( "{}", "`enum`s deriving `FromVariant`/`Proto` should be in the form of \"enum MyEnum { Foo(Type), Bar(AnotherType),... }\"" );
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]    --> src/lib.rs:966:43
[INFO] [stdout]     |
[INFO] [stdout] 966 |                         panic!("def_impls!{ impl }: Variant!() should have no argument");
[INFO] [stdout]     |                                           ^      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string, but will be in a future Rust edition
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 966 |                         panic!("{}", "def_impls!{ impl }: Variant!() should have no argument");
[INFO] [stdout]     |                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]     --> src/lib.rs:1021:39
[INFO] [stdout]      |
[INFO] [stdout] 1021 |                     panic!("def_impls!{ impl }: Variants!() should have no argument");
[INFO] [stdout]      |                                       ^      ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string, but will be in a future Rust edition
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1021 |                     panic!("{}", "def_impls!{ impl }: Variants!() should have no argument");
[INFO] [stdout]      |                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]     --> src/lib.rs:1039:43
[INFO] [stdout]      |
[INFO] [stdout] 1039 |                         panic!("def_impls!{ impl }: Variants!() should have no argument");
[INFO] [stdout]      |                                           ^      ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string, but will be in a future Rust edition
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1039 |                         panic!("{}", "def_impls!{ impl }: Variants!() should have no argument");
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains unused formatting placeholders
[INFO] [stdout]     --> src/lib.rs:1181:64
[INFO] [stdout]      |
[INFO] [stdout] 1181 | ...   panic!( "The enum's variants are unknown to `def_impls!{}`. Consider using `_def!{}` to provide the variants of the enum defined el...
[INFO] [stdout]      |                                                              ^^                        ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing arguments
[INFO] [stdout]      |
[INFO] [stdout] 1181 |         panic!( "The enum's variants are unknown to `def_impls!{}`. Consider using `_def!{}` to provide the variants of the enum defined elsewhere.", ... );
[INFO] [stdout]      |                                                                                                                                                     ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1181 |         panic!( "{}", "The enum's variants are unknown to `def_impls!{}`. Consider using `_def!{}` to provide the variants of the enum defined elsewhere." );
[INFO] [stdout]      |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]    --> src/lib.rs:154:43
[INFO] [stdout]     |
[INFO] [stdout] 154 |                 _ => panic!( "expect _def!{{}}" ),
[INFO] [stdout]     |                                           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(panic_fmt)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string, but will be in a future Rust edition
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 154 |                 _ => panic!( "{}", "expect _def!{{}}" ),
[INFO] [stdout]     |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]    --> src/lib.rs:79:9
[INFO] [stdout]     |
[INFO] [stdout] 79  |         panic!( "`enum`s deriving `FromVariant`/`Proto` should be in the form of \"enum MyEnum { Foo(Type), Bar(AnotherType),... }\"" );
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 451 |                 syntax_error!();
[INFO] [stdout]     |                 ---------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string, but will be in a future Rust edition
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 79  |         panic!( "{}", "`enum`s deriving `FromVariant`/`Proto` should be in the form of \"enum MyEnum { Foo(Type), Bar(AnotherType),... }\"" );
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]    --> src/lib.rs:79:9
[INFO] [stdout]     |
[INFO] [stdout] 79  |         panic!( "`enum`s deriving `FromVariant`/`Proto` should be in the form of \"enum MyEnum { Foo(Type), Bar(AnotherType),... }\"" );
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 512 |                 syntax_error!();
[INFO] [stdout]     |                 ---------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string, but will be in a future Rust edition
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 79  |         panic!( "{}", "`enum`s deriving `FromVariant`/`Proto` should be in the form of \"enum MyEnum { Foo(Type), Bar(AnotherType),... }\"" );
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]    --> src/lib.rs:966:43
[INFO] [stdout]     |
[INFO] [stdout] 966 |                         panic!("def_impls!{ impl }: Variant!() should have no argument");
[INFO] [stdout]     |                                           ^      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string, but will be in a future Rust edition
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 966 |                         panic!("{}", "def_impls!{ impl }: Variant!() should have no argument");
[INFO] [stdout]     |                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]     --> src/lib.rs:1021:39
[INFO] [stdout]      |
[INFO] [stdout] 1021 |                     panic!("def_impls!{ impl }: Variants!() should have no argument");
[INFO] [stdout]      |                                       ^      ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string, but will be in a future Rust edition
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1021 |                     panic!("{}", "def_impls!{ impl }: Variants!() should have no argument");
[INFO] [stdout]      |                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]     --> src/lib.rs:1039:43
[INFO] [stdout]      |
[INFO] [stdout] 1039 |                         panic!("def_impls!{ impl }: Variants!() should have no argument");
[INFO] [stdout]      |                                           ^      ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string, but will be in a future Rust edition
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1039 |                         panic!("{}", "def_impls!{ impl }: Variants!() should have no argument");
[INFO] [stdout]      |                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains unused formatting placeholders
[INFO] [stdout]     --> src/lib.rs:1181:64
[INFO] [stdout]      |
[INFO] [stdout] 1181 | ...   panic!( "The enum's variants are unknown to `def_impls!{}`. Consider using `_def!{}` to provide the variants of the enum defined el...
[INFO] [stdout]      |                                                              ^^                        ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing arguments
[INFO] [stdout]      |
[INFO] [stdout] 1181 |         panic!( "The enum's variants are unknown to `def_impls!{}`. Consider using `_def!{}` to provide the variants of the enum defined elsewhere.", ... );
[INFO] [stdout]      |                                                                                                                                                     ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]      |
[INFO] [stdout] 1181 |         panic!( "{}", "The enum's variants are unknown to `def_impls!{}`. Consider using `_def!{}` to provide the variants of the enum defined elsewhere." );
[INFO] [stdout]      |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.14s
[INFO] running `Command { std: "docker" "inspect" "04deb5ec5558b485c48187f58095fbd3df477fd5af4e545097df56c23b0eedfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04deb5ec5558b485c48187f58095fbd3df477fd5af4e545097df56c23b0eedfa", kill_on_drop: false }`
[INFO] [stdout] 04deb5ec5558b485c48187f58095fbd3df477fd5af4e545097df56c23b0eedfa