[INFO] fetching crate kg-diag-derive 0.4.0...
[INFO] building kg-diag-derive-0.4.0 against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] extracting crate kg-diag-derive 0.4.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate kg-diag-derive 0.4.0 on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kg-diag-derive 0.4.0
[INFO] finished tweaking crates.io crate kg-diag-derive 0.4.0
[INFO] tweaked toml for crates.io crate kg-diag-derive 0.4.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 998116e7bea9c70e512283ebe19a0b3c3f21a20f07741bf2f6fd477a7e44cca5
[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" "998116e7bea9c70e512283ebe19a0b3c3f21a20f07741bf2f6fd477a7e44cca5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "998116e7bea9c70e512283ebe19a0b3c3f21a20f07741bf2f6fd477a7e44cca5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "998116e7bea9c70e512283ebe19a0b3c3f21a20f07741bf2f6fd477a7e44cca5", kill_on_drop: false }`
[INFO] [stdout] 998116e7bea9c70e512283ebe19a0b3c3f21a20f07741bf2f6fd477a7e44cca5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58832d04e1904b8e5329bafac2061cf78b0ed2aa7f3e4fc77bd38e12f45bd244
[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" "58832d04e1904b8e5329bafac2061cf78b0ed2aa7f3e4fc77bd38e12f45bd244", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling gimli v0.24.0
[INFO] [stderr]    Compiling object v0.24.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling backtrace v0.3.59
[INFO] [stderr]    Compiling addr2line v0.15.1
[INFO] [stderr]    Compiling kg-utils v0.2.4
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling kg-display v0.1.2
[INFO] [stderr]    Compiling synstructure v0.11.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling kg-display-derive v0.1.1
[INFO] [stderr]    Compiling kg-diag v0.4.0
[INFO] [stderr]    Compiling kg-diag-derive v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib.rs:45:42
[INFO] [stdout]    |
[INFO] [stdout] 45 |                       Err(value) => panic!(format!(
[INFO] [stdout]    |  __________________________________________^
[INFO] [stdout] 46 | |                         "invalid default severity \"{}\" for type {}",
[INFO] [stdout] 47 | |                         value,
[INFO] [stdout] 48 | |                         st.ast().ident
[INFO] [stdout] 49 | |                     )),
[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]    = 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] 45 |                     Err(value) => panic!(
[INFO] [stdout] 46 |                         "invalid default severity \"{}\" for type {}",
[INFO] [stdout] 47 |                         value,
[INFO] [stdout] 48 |                         st.ast().ident
[INFO] [stdout] 49 |                     ),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib.rs:57:42
[INFO] [stdout]    |
[INFO] [stdout] 57 |                       Err(value) => panic!(format!(
[INFO] [stdout]    |  __________________________________________^
[INFO] [stdout] 58 | |                         "invalid default severity '{}' for type {}",
[INFO] [stdout] 59 | |                         value,
[INFO] [stdout] 60 | |                         st.ast().ident
[INFO] [stdout] 61 | |                     )),
[INFO] [stdout]    | |_____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[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] 57 |                     Err(value) => panic!(
[INFO] [stdout] 58 |                         "invalid default severity '{}' for type {}",
[INFO] [stdout] 59 |                         value,
[INFO] [stdout] 60 |                         st.ast().ident
[INFO] [stdout] 61 |                     ),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib.rs:64:28
[INFO] [stdout]    |
[INFO] [stdout] 64 |                       panic!(format!(
[INFO] [stdout]    |  ____________________________^
[INFO] [stdout] 65 | |                         "invalid diag(...) attribute for type {}",
[INFO] [stdout] 66 | |                         st.ast().ident
[INFO] [stdout] 67 | |                     ));
[INFO] [stdout]    | |_____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[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] 64 |                     panic!(
[INFO] [stdout] 65 |                         "invalid diag(...) attribute for type {}",
[INFO] [stdout] 66 |                         st.ast().ident
[INFO] [stdout] 67 |                     );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:98:46
[INFO] [stdout]     |
[INFO] [stdout] 98  |                           Err(value) => panic!(format!(
[INFO] [stdout]     |  ______________________________________________^
[INFO] [stdout] 99  | |                             "invalid severity \"{}\" for variant {}",
[INFO] [stdout] 100 | |                             value,
[INFO] [stdout] 101 | |                             v.ast().ident
[INFO] [stdout] 102 | |                         )),
[INFO] [stdout]     | |_________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[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] 98  |                         Err(value) => panic!(
[INFO] [stdout] 99  |                             "invalid severity \"{}\" for variant {}",
[INFO] [stdout] 100 |                             value,
[INFO] [stdout] 101 |                             v.ast().ident
[INFO] [stdout] 102 |                         ),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:110:46
[INFO] [stdout]     |
[INFO] [stdout] 110 |                           Err(value) => panic!(format!(
[INFO] [stdout]     |  ______________________________________________^
[INFO] [stdout] 111 | |                             "invalid severity '{}' for variant {}",
[INFO] [stdout] 112 | |                             value,
[INFO] [stdout] 113 | |                             v.ast().ident
[INFO] [stdout] 114 | |                         )),
[INFO] [stdout]     | |_________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[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] 110 |                         Err(value) => panic!(
[INFO] [stdout] 111 |                             "invalid severity '{}' for variant {}",
[INFO] [stdout] 112 |                             value,
[INFO] [stdout] 113 |                             v.ast().ident
[INFO] [stdout] 114 |                         ),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:117:32
[INFO] [stdout]     |
[INFO] [stdout] 117 |                           panic!(format!(
[INFO] [stdout]     |  ________________________________^
[INFO] [stdout] 118 | |                             "invalid diag(...) attribute for variant {}",
[INFO] [stdout] 119 | |                             v.ast().ident
[INFO] [stdout] 120 | |                         ));
[INFO] [stdout]     | |_________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[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] 117 |                         panic!(
[INFO] [stdout] 118 |                             "invalid diag(...) attribute for variant {}",
[INFO] [stdout] 119 |                             v.ast().ident
[INFO] [stdout] 120 |                         );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:141:24
[INFO] [stdout]     |
[INFO] [stdout] 141 |                   panic!(format!(
[INFO] [stdout]     |  ________________________^
[INFO] [stdout] 142 | |                     "duplicated code {} in type {}",
[INFO] [stdout] 143 | |                     a.code,
[INFO] [stdout] 144 | |                     st.ast().ident
[INFO] [stdout] 145 | |                 ));
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[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] 141 |                 panic!(
[INFO] [stdout] 142 |                     "duplicated code {} in type {}",
[INFO] [stdout] 143 |                     a.code,
[INFO] [stdout] 144 |                     st.ast().ident
[INFO] [stdout] 145 |                 );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:205:24
[INFO] [stdout]     |
[INFO] [stdout] 205 |                 panic!(format!("multiple {}(...) attributes found", id))
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[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] 205 |                 panic!("multiple {}(...) attributes found", id)
[INFO] [stdout]     |                       --                                     --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.05s
[INFO] running `Command { std: "docker" "inspect" "58832d04e1904b8e5329bafac2061cf78b0ed2aa7f3e4fc77bd38e12f45bd244", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58832d04e1904b8e5329bafac2061cf78b0ed2aa7f3e4fc77bd38e12f45bd244", kill_on_drop: false }`
[INFO] [stdout] 58832d04e1904b8e5329bafac2061cf78b0ed2aa7f3e4fc77bd38e12f45bd244
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d18a6112916e3a346b729720a725f247d04c5912b22ef7d3c5520789399e7ea
[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" "8d18a6112916e3a346b729720a725f247d04c5912b22ef7d3c5520789399e7ea", kill_on_drop: false }`
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib.rs:45:42
[INFO] [stdout]    |
[INFO] [stdout] 45 |                       Err(value) => panic!(format!(
[INFO] [stdout]    |  __________________________________________^
[INFO] [stdout] 46 | |                         "invalid default severity \"{}\" for type {}",
[INFO] [stdout] 47 | |                         value,
[INFO] [stdout] 48 | |                         st.ast().ident
[INFO] [stdout] 49 | |                     )),
[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]    = 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] 45 |                     Err(value) => panic!(
[INFO] [stdout] 46 |                         "invalid default severity \"{}\" for type {}",
[INFO] [stdout] 47 |                         value,
[INFO] [stdout] 48 |                         st.ast().ident
[INFO] [stdout] 49 |                     ),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling kg-diag-derive v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib.rs:57:42
[INFO] [stdout]    |
[INFO] [stdout] 57 |                       Err(value) => panic!(format!(
[INFO] [stdout]    |  __________________________________________^
[INFO] [stdout] 58 | |                         "invalid default severity '{}' for type {}",
[INFO] [stdout] 59 | |                         value,
[INFO] [stdout] 60 | |                         st.ast().ident
[INFO] [stdout] 61 | |                     )),
[INFO] [stdout]    | |_____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[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] 57 |                     Err(value) => panic!(
[INFO] [stdout] 58 |                         "invalid default severity '{}' for type {}",
[INFO] [stdout] 59 |                         value,
[INFO] [stdout] 60 |                         st.ast().ident
[INFO] [stdout] 61 |                     ),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib.rs:64:28
[INFO] [stdout]    |
[INFO] [stdout] 64 |                       panic!(format!(
[INFO] [stdout]    |  ____________________________^
[INFO] [stdout] 65 | |                         "invalid diag(...) attribute for type {}",
[INFO] [stdout] 66 | |                         st.ast().ident
[INFO] [stdout] 67 | |                     ));
[INFO] [stdout]    | |_____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[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] 64 |                     panic!(
[INFO] [stdout] 65 |                         "invalid diag(...) attribute for type {}",
[INFO] [stdout] 66 |                         st.ast().ident
[INFO] [stdout] 67 |                     );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:98:46
[INFO] [stdout]     |
[INFO] [stdout] 98  |                           Err(value) => panic!(format!(
[INFO] [stdout]     |  ______________________________________________^
[INFO] [stdout] 99  | |                             "invalid severity \"{}\" for variant {}",
[INFO] [stdout] 100 | |                             value,
[INFO] [stdout] 101 | |                             v.ast().ident
[INFO] [stdout] 102 | |                         )),
[INFO] [stdout]     | |_________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[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] 98  |                         Err(value) => panic!(
[INFO] [stdout] 99  |                             "invalid severity \"{}\" for variant {}",
[INFO] [stdout] 100 |                             value,
[INFO] [stdout] 101 |                             v.ast().ident
[INFO] [stdout] 102 |                         ),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:110:46
[INFO] [stdout]     |
[INFO] [stdout] 110 |                           Err(value) => panic!(format!(
[INFO] [stdout]     |  ______________________________________________^
[INFO] [stdout] 111 | |                             "invalid severity '{}' for variant {}",
[INFO] [stdout] 112 | |                             value,
[INFO] [stdout] 113 | |                             v.ast().ident
[INFO] [stdout] 114 | |                         )),
[INFO] [stdout]     | |_________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[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] 110 |                         Err(value) => panic!(
[INFO] [stdout] 111 |                             "invalid severity '{}' for variant {}",
[INFO] [stdout] 112 |                             value,
[INFO] [stdout] 113 |                             v.ast().ident
[INFO] [stdout] 114 |                         ),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:117:32
[INFO] [stdout]     |
[INFO] [stdout] 117 |                           panic!(format!(
[INFO] [stdout]     |  ________________________________^
[INFO] [stdout] 118 | |                             "invalid diag(...) attribute for variant {}",
[INFO] [stdout] 119 | |                             v.ast().ident
[INFO] [stdout] 120 | |                         ));
[INFO] [stdout]     | |_________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[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] 117 |                         panic!(
[INFO] [stdout] 118 |                             "invalid diag(...) attribute for variant {}",
[INFO] [stdout] 119 |                             v.ast().ident
[INFO] [stdout] 120 |                         );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:141:24
[INFO] [stdout]     |
[INFO] [stdout] 141 |                   panic!(format!(
[INFO] [stdout]     |  ________________________^
[INFO] [stdout] 142 | |                     "duplicated code {} in type {}",
[INFO] [stdout] 143 | |                     a.code,
[INFO] [stdout] 144 | |                     st.ast().ident
[INFO] [stdout] 145 | |                 ));
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[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] 141 |                 panic!(
[INFO] [stdout] 142 |                     "duplicated code {} in type {}",
[INFO] [stdout] 143 |                     a.code,
[INFO] [stdout] 144 |                     st.ast().ident
[INFO] [stdout] 145 |                 );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:205:24
[INFO] [stdout]     |
[INFO] [stdout] 205 |                 panic!(format!("multiple {}(...) attributes found", id))
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[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] 205 |                 panic!("multiple {}(...) attributes found", id)
[INFO] [stdout]     |                       --                                     --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> tests/tests.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(specialization)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout]   = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]   = help: consider using `min_specialization` instead, which is more stable and complete
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib.rs:45:42
[INFO] [stdout]    |
[INFO] [stdout] 45 |                       Err(value) => panic!(format!(
[INFO] [stdout]    |  __________________________________________^
[INFO] [stdout] 46 | |                         "invalid default severity \"{}\" for type {}",
[INFO] [stdout] 47 | |                         value,
[INFO] [stdout] 48 | |                         st.ast().ident
[INFO] [stdout] 49 | |                     )),
[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]    = 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] 45 |                     Err(value) => panic!(
[INFO] [stdout] 46 |                         "invalid default severity \"{}\" for type {}",
[INFO] [stdout] 47 |                         value,
[INFO] [stdout] 48 |                         st.ast().ident
[INFO] [stdout] 49 |                     ),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib.rs:57:42
[INFO] [stdout]    |
[INFO] [stdout] 57 |                       Err(value) => panic!(format!(
[INFO] [stdout]    |  __________________________________________^
[INFO] [stdout] 58 | |                         "invalid default severity '{}' for type {}",
[INFO] [stdout] 59 | |                         value,
[INFO] [stdout] 60 | |                         st.ast().ident
[INFO] [stdout] 61 | |                     )),
[INFO] [stdout]    | |_____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[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] 57 |                     Err(value) => panic!(
[INFO] [stdout] 58 |                         "invalid default severity '{}' for type {}",
[INFO] [stdout] 59 |                         value,
[INFO] [stdout] 60 |                         st.ast().ident
[INFO] [stdout] 61 |                     ),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib.rs:64:28
[INFO] [stdout]    |
[INFO] [stdout] 64 |                       panic!(format!(
[INFO] [stdout]    |  ____________________________^
[INFO] [stdout] 65 | |                         "invalid diag(...) attribute for type {}",
[INFO] [stdout] 66 | |                         st.ast().ident
[INFO] [stdout] 67 | |                     ));
[INFO] [stdout]    | |_____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[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] 64 |                     panic!(
[INFO] [stdout] 65 |                         "invalid diag(...) attribute for type {}",
[INFO] [stdout] 66 |                         st.ast().ident
[INFO] [stdout] 67 |                     );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:98:46
[INFO] [stdout]     |
[INFO] [stdout] 98  |                           Err(value) => panic!(format!(
[INFO] [stdout]     |  ______________________________________________^
[INFO] [stdout] 99  | |                             "invalid severity \"{}\" for variant {}",
[INFO] [stdout] 100 | |                             value,
[INFO] [stdout] 101 | |                             v.ast().ident
[INFO] [stdout] 102 | |                         )),
[INFO] [stdout]     | |_________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[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] 98  |                         Err(value) => panic!(
[INFO] [stdout] 99  |                             "invalid severity \"{}\" for variant {}",
[INFO] [stdout] 100 |                             value,
[INFO] [stdout] 101 |                             v.ast().ident
[INFO] [stdout] 102 |                         ),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:110:46
[INFO] [stdout]     |
[INFO] [stdout] 110 |                           Err(value) => panic!(format!(
[INFO] [stdout]     |  ______________________________________________^
[INFO] [stdout] 111 | |                             "invalid severity '{}' for variant {}",
[INFO] [stdout] 112 | |                             value,
[INFO] [stdout] 113 | |                             v.ast().ident
[INFO] [stdout] 114 | |                         )),
[INFO] [stdout]     | |_________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[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] 110 |                         Err(value) => panic!(
[INFO] [stdout] 111 |                             "invalid severity '{}' for variant {}",
[INFO] [stdout] 112 |                             value,
[INFO] [stdout] 113 |                             v.ast().ident
[INFO] [stdout] 114 |                         ),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:117:32
[INFO] [stdout]     |
[INFO] [stdout] 117 |                           panic!(format!(
[INFO] [stdout]     |  ________________________________^
[INFO] [stdout] 118 | |                             "invalid diag(...) attribute for variant {}",
[INFO] [stdout] 119 | |                             v.ast().ident
[INFO] [stdout] 120 | |                         ));
[INFO] [stdout]     | |_________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[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] 117 |                         panic!(
[INFO] [stdout] 118 |                             "invalid diag(...) attribute for variant {}",
[INFO] [stdout] 119 |                             v.ast().ident
[INFO] [stdout] 120 |                         );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:141:24
[INFO] [stdout]     |
[INFO] [stdout] 141 |                   panic!(format!(
[INFO] [stdout]     |  ________________________^
[INFO] [stdout] 142 | |                     "duplicated code {} in type {}",
[INFO] [stdout] 143 | |                     a.code,
[INFO] [stdout] 144 | |                     st.ast().ident
[INFO] [stdout] 145 | |                 ));
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[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] 141 |                 panic!(
[INFO] [stdout] 142 |                     "duplicated code {} in type {}",
[INFO] [stdout] 143 |                     a.code,
[INFO] [stdout] 144 |                     st.ast().ident
[INFO] [stdout] 145 |                 );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:205:24
[INFO] [stdout]     |
[INFO] [stdout] 205 |                 panic!(format!("multiple {}(...) attributes found", id))
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[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] 205 |                 panic!("multiple {}(...) attributes found", id)
[INFO] [stdout]     |                       --                                     --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "8d18a6112916e3a346b729720a725f247d04c5912b22ef7d3c5520789399e7ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d18a6112916e3a346b729720a725f247d04c5912b22ef7d3c5520789399e7ea", kill_on_drop: false }`
[INFO] [stdout] 8d18a6112916e3a346b729720a725f247d04c5912b22ef7d3c5520789399e7ea
