[INFO] fetching crate evitable-syn-meta-ext 0.5.0...
[INFO] testing evitable-syn-meta-ext-0.5.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate evitable-syn-meta-ext 0.5.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate evitable-syn-meta-ext 0.5.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate evitable-syn-meta-ext 0.5.0
[INFO] finished tweaking crates.io crate evitable-syn-meta-ext 0.5.0
[INFO] tweaked toml for crates.io crate evitable-syn-meta-ext 0.5.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90434d35cb3196d55fba28542efa8bc45bc92c91dfa9b284e1bd5113fb1bc6ae
[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" "90434d35cb3196d55fba28542efa8bc45bc92c91dfa9b284e1bd5113fb1bc6ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90434d35cb3196d55fba28542efa8bc45bc92c91dfa9b284e1bd5113fb1bc6ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90434d35cb3196d55fba28542efa8bc45bc92c91dfa9b284e1bd5113fb1bc6ae", kill_on_drop: false }`
[INFO] [stdout] 90434d35cb3196d55fba28542efa8bc45bc92c91dfa9b284e1bd5113fb1bc6ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] 4a48ff35d40f1e879abdfb8dd14a937aae0f59df8ff5a923cd951ccd4d9d20aa
[INFO] running `Command { std: "docker" "start" "-a" "4a48ff35d40f1e879abdfb8dd14a937aae0f59df8ff5a923cd951ccd4d9d20aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling evitable-syn-meta-ext v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/error/mod.rs:253:30
[INFO] [stdout]     |
[INFO] [stdout] 253 |   fn cause(&self) -> Option<&StdError> {
[INFO] [stdout]     |                              ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]  --> src/ast.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 |   fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
[INFO] [stdout]   |                 ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attrs`
[INFO] [stdout]   --> src/from_derive_input.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     attrs: &Vec<Attribute>,
[INFO] [stdout]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vis`
[INFO] [stdout]   --> src/from_derive_input.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     vis: &Visibility,
[INFO] [stdout]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_vis`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ident`
[INFO] [stdout]   --> src/from_derive_input.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     ident: &Ident,
[INFO] [stdout]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_ident`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `generics`
[INFO] [stdout]   --> src/from_derive_input.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     generics: &Generics,
[INFO] [stdout]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generics`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/from_derive_input.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     input: &DataUnion,
[INFO] [stdout]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attrs`
[INFO] [stdout]   --> src/from_derive_input.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     attrs: &Vec<Attribute>,
[INFO] [stdout]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vis`
[INFO] [stdout]   --> src/from_derive_input.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     vis: &Visibility,
[INFO] [stdout]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_vis`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ident`
[INFO] [stdout]   --> src/from_derive_input.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     ident: &Ident,
[INFO] [stdout]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_ident`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `generics`
[INFO] [stdout]   --> src/from_derive_input.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     generics: &Generics,
[INFO] [stdout]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generics`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/from_derive_input.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     input: &DataEnum,
[INFO] [stdout]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attrs`
[INFO] [stdout]   --> src/from_derive_input.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     attrs: &Vec<Attribute>,
[INFO] [stdout]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vis`
[INFO] [stdout]   --> src/from_derive_input.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     vis: &Visibility,
[INFO] [stdout]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_vis`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ident`
[INFO] [stdout]   --> src/from_derive_input.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     ident: &Ident,
[INFO] [stdout]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_ident`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `generics`
[INFO] [stdout]   --> src/from_derive_input.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     generics: &Generics,
[INFO] [stdout]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generics`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/from_derive_input.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     input: &DataStruct,
[INFO] [stdout]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.50s
[INFO] running `Command { std: "docker" "inspect" "4a48ff35d40f1e879abdfb8dd14a937aae0f59df8ff5a923cd951ccd4d9d20aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a48ff35d40f1e879abdfb8dd14a937aae0f59df8ff5a923cd951ccd4d9d20aa", kill_on_drop: false }`
[INFO] [stdout] 4a48ff35d40f1e879abdfb8dd14a937aae0f59df8ff5a923cd951ccd4d9d20aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18da63795fe6867aa5bb12afababe77823fb46a463132f371fb63f234f7249ee
[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" "18da63795fe6867aa5bb12afababe77823fb46a463132f371fb63f234f7249ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling evitable-syn-meta-ext v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/error/mod.rs:253:30
[INFO] [stdout]     |
[INFO] [stdout] 253 |   fn cause(&self) -> Option<&StdError> {
[INFO] [stdout]     |                              ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]  --> src/ast.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 |   fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
[INFO] [stdout]   |                 ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attrs`
[INFO] [stdout]   --> src/from_derive_input.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     attrs: &Vec<Attribute>,
[INFO] [stdout]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vis`
[INFO] [stdout]   --> src/from_derive_input.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     vis: &Visibility,
[INFO] [stdout]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_vis`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ident`
[INFO] [stdout]   --> src/from_derive_input.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     ident: &Ident,
[INFO] [stdout]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_ident`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `generics`
[INFO] [stdout]   --> src/from_derive_input.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     generics: &Generics,
[INFO] [stdout]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generics`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/from_derive_input.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     input: &DataUnion,
[INFO] [stdout]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attrs`
[INFO] [stdout]   --> src/from_derive_input.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     attrs: &Vec<Attribute>,
[INFO] [stdout]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vis`
[INFO] [stdout]   --> src/from_derive_input.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     vis: &Visibility,
[INFO] [stdout]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_vis`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ident`
[INFO] [stdout]   --> src/from_derive_input.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     ident: &Ident,
[INFO] [stdout]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_ident`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `generics`
[INFO] [stdout]   --> src/from_derive_input.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     generics: &Generics,
[INFO] [stdout]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generics`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/from_derive_input.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     input: &DataEnum,
[INFO] [stdout]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attrs`
[INFO] [stdout]   --> src/from_derive_input.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     attrs: &Vec<Attribute>,
[INFO] [stdout]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vis`
[INFO] [stdout]   --> src/from_derive_input.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     vis: &Visibility,
[INFO] [stdout]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_vis`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ident`
[INFO] [stdout]   --> src/from_derive_input.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     ident: &Ident,
[INFO] [stdout]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_ident`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `generics`
[INFO] [stdout]   --> src/from_derive_input.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     generics: &Generics,
[INFO] [stdout]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generics`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/from_derive_input.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     input: &DataStruct,
[INFO] [stdout]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/error/mod.rs:253:30
[INFO] [stdout]     |
[INFO] [stdout] 253 |   fn cause(&self) -> Option<&StdError> {
[INFO] [stdout]     |                              ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]  --> src/ast.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 |   fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
[INFO] [stdout]   |                 ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attrs`
[INFO] [stdout]   --> src/from_derive_input.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     attrs: &Vec<Attribute>,
[INFO] [stdout]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vis`
[INFO] [stdout]   --> src/from_derive_input.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     vis: &Visibility,
[INFO] [stdout]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_vis`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ident`
[INFO] [stdout]   --> src/from_derive_input.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     ident: &Ident,
[INFO] [stdout]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_ident`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `generics`
[INFO] [stdout]   --> src/from_derive_input.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     generics: &Generics,
[INFO] [stdout]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generics`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/from_derive_input.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     input: &DataUnion,
[INFO] [stdout]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attrs`
[INFO] [stdout]   --> src/from_derive_input.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     attrs: &Vec<Attribute>,
[INFO] [stdout]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vis`
[INFO] [stdout]   --> src/from_derive_input.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     vis: &Visibility,
[INFO] [stdout]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_vis`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ident`
[INFO] [stdout]   --> src/from_derive_input.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     ident: &Ident,
[INFO] [stdout]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_ident`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `generics`
[INFO] [stdout]   --> src/from_derive_input.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     generics: &Generics,
[INFO] [stdout]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generics`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/from_derive_input.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 |     input: &DataEnum,
[INFO] [stdout]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attrs`
[INFO] [stdout]   --> src/from_derive_input.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     attrs: &Vec<Attribute>,
[INFO] [stdout]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vis`
[INFO] [stdout]   --> src/from_derive_input.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     vis: &Visibility,
[INFO] [stdout]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_vis`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ident`
[INFO] [stdout]   --> src/from_derive_input.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     ident: &Ident,
[INFO] [stdout]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_ident`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `generics`
[INFO] [stdout]   --> src/from_derive_input.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     generics: &Generics,
[INFO] [stdout]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generics`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/from_derive_input.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     input: &DataStruct,
[INFO] [stdout]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.66s
[INFO] running `Command { std: "docker" "inspect" "18da63795fe6867aa5bb12afababe77823fb46a463132f371fb63f234f7249ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18da63795fe6867aa5bb12afababe77823fb46a463132f371fb63f234f7249ee", kill_on_drop: false }`
[INFO] [stdout] 18da63795fe6867aa5bb12afababe77823fb46a463132f371fb63f234f7249ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0deccf6b8b9f44272936a00999f145452e7a15bbbf49aec4dcc5aee11dd1c0cd
[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" "0deccf6b8b9f44272936a00999f145452e7a15bbbf49aec4dcc5aee11dd1c0cd", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/error/mod.rs:253:30
[INFO] [stderr]     |
[INFO] [stderr] 253 |   fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]     |                              ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]  --> src/ast.rs:6:17
[INFO] [stderr]   |
[INFO] [stderr] 6 |   fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
[INFO] [stderr]   |                 ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `attrs`
[INFO] [stderr]   --> src/from_derive_input.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     attrs: &Vec<Attribute>,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vis`
[INFO] [stderr]   --> src/from_derive_input.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     vis: &Visibility,
[INFO] [stderr]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_vis`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ident`
[INFO] [stderr]   --> src/from_derive_input.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     ident: &Ident,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_ident`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `generics`
[INFO] [stderr]   --> src/from_derive_input.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     generics: &Generics,
[INFO] [stderr]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generics`
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stdout] running 14 tests
[INFO] [stderr]   --> src/from_derive_input.rs:32:5
[INFO] [stdout] test error::tests::flatten_noop ... ok
[INFO] [stderr]    |
[INFO] [stdout] test error::tests::len_nested ... ok
[INFO] [stderr] 32 |     input: &DataUnion,
[INFO] [stdout] test error::tests::flatten_simple ... ok
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] test error::tests::len_single ... ok
[INFO] [stderr] 
[INFO] [stdout] test from_meta::tests::bool_succeeds ... ok
[INFO] [stderr] warning: unused variable: `attrs`
[INFO] [stdout] test from_meta::tests::int_without_quotes ... ok
[INFO] [stderr]   --> src/from_derive_input.rs:38:5
[INFO] [stdout] test from_meta::tests::float_without_quotes ... ok
[INFO] [stderr]    |
[INFO] [stdout] test from_meta::tests::meta_succeeds ... ok
[INFO] [stderr] 38 |     attrs: &Vec<Attribute>,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vis`
[INFO] [stderr]   --> src/from_derive_input.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     vis: &Visibility,
[INFO] [stderr]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_vis`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ident`
[INFO] [stderr]   --> src/from_derive_input.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     ident: &Ident,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_ident`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `generics`
[INFO] [stderr]   --> src/from_derive_input.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     generics: &Generics,
[INFO] [stderr]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generics`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/from_derive_input.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     input: &DataEnum,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `attrs`
[INFO] [stderr]   --> src/from_derive_input.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     attrs: &Vec<Attribute>,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_attrs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vis`
[INFO] [stderr]   --> src/from_derive_input.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     vis: &Visibility,
[INFO] [stderr]    |     ^^^ help: if this is intentional, prefix it with an underscore: `_vis`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ident`
[INFO] [stderr]   --> src/from_derive_input.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     ident: &Ident,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_ident`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `generics`
[INFO] [stderr]   --> src/from_derive_input.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     generics: &Generics,
[INFO] [stderr]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_generics`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/from_derive_input.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     input: &DataStruct,
[INFO] [stderr]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: `evitable-syn-meta-ext` (lib) generated 17 warnings
[INFO] [stderr] warning: `evitable-syn-meta-ext` (lib test) generated 17 warnings (17 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/evitable_syn_meta_ext-6f7538a0b3fbd561)
[INFO] [stdout] test from_meta::tests::number_succeeds ... ok
[INFO] [stdout] test from_meta::tests::unit_succeeds ... ok
[INFO] [stdout] test test::derive_test ... ok
[INFO] [stdout] test from_meta::tests::result_succeeds ... ok
[INFO] [stdout] test from_meta::tests::string_succeeds ... ok
[INFO] [stderr]    Doc-tests evitable-syn-meta-ext
[INFO] [stdout] test error::tests::len_multiple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0deccf6b8b9f44272936a00999f145452e7a15bbbf49aec4dcc5aee11dd1c0cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0deccf6b8b9f44272936a00999f145452e7a15bbbf49aec4dcc5aee11dd1c0cd", kill_on_drop: false }`
[INFO] [stdout] 0deccf6b8b9f44272936a00999f145452e7a15bbbf49aec4dcc5aee11dd1c0cd