[INFO] fetching crate evitable-syn-meta-ext 0.5.0...
[INFO] checking evitable-syn-meta-ext-0.5.0 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate evitable-syn-meta-ext 0.5.0 into /workspace/builds/worker-104/source
[INFO] validating manifest of crates.io crate evitable-syn-meta-ext 0.5.0 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-104/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ead885898e67dd592a5335bb1c8555977c6a6c8d7026241e160f6b55eb3554ac
[INFO] running `Command { std: "docker" "start" "-a" "ead885898e67dd592a5335bb1c8555977c6a6c8d7026241e160f6b55eb3554ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ead885898e67dd592a5335bb1c8555977c6a6c8d7026241e160f6b55eb3554ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ead885898e67dd592a5335bb1c8555977c6a6c8d7026241e160f6b55eb3554ac", kill_on_drop: false }`
[INFO] [stdout] ead885898e67dd592a5335bb1c8555977c6a6c8d7026241e160f6b55eb3554ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 500e8123aff5bff9727b2256d466effe4f6c564697137cb35f15e119a2c2b557
[INFO] running `Command { std: "docker" "start" "-a" "500e8123aff5bff9727b2256d466effe4f6c564697137cb35f15e119a2c2b557", kill_on_drop: false }`
[INFO] [stderr]     Checking ident_case v1.0.1
[INFO] [stderr]     Checking 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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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: 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: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "500e8123aff5bff9727b2256d466effe4f6c564697137cb35f15e119a2c2b557", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "500e8123aff5bff9727b2256d466effe4f6c564697137cb35f15e119a2c2b557", kill_on_drop: false }`
[INFO] [stdout] 500e8123aff5bff9727b2256d466effe4f6c564697137cb35f15e119a2c2b557