[INFO] fetching crate asteracea_proc-macro-definitions 0.0.2...
[INFO] checking asteracea_proc-macro-definitions-0.0.2 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] extracting crate asteracea_proc-macro-definitions 0.0.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate asteracea_proc-macro-definitions 0.0.2 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate asteracea_proc-macro-definitions 0.0.2
[INFO] finished tweaking crates.io crate asteracea_proc-macro-definitions 0.0.2
[INFO] tweaked toml for crates.io crate asteracea_proc-macro-definitions 0.0.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unzip-n v0.1.2
[INFO] [stderr]   Downloaded call2-for-syn v1.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 910021aeb5124e7e4746bf52b5de149fad1115ad5094c090ff7d53a32b58ad89
[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" "910021aeb5124e7e4746bf52b5de149fad1115ad5094c090ff7d53a32b58ad89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "910021aeb5124e7e4746bf52b5de149fad1115ad5094c090ff7d53a32b58ad89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "910021aeb5124e7e4746bf52b5de149fad1115ad5094c090ff7d53a32b58ad89", kill_on_drop: false }`
[INFO] [stdout] 910021aeb5124e7e4746bf52b5de149fad1115ad5094c090ff7d53a32b58ad89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58b4837699749ef1fe1b1f6c102a5b479f343db716e6141631ca2e8c66c42aac
[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" "58b4837699749ef1fe1b1f6c102a5b479f343db716e6141631ca2e8c66c42aac", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking proc-macro-crate v0.1.5
[INFO] [stderr]     Checking syn v1.0.70
[INFO] [stderr]     Checking call2-for-syn v1.0.3
[INFO] [stderr]     Checking syn-mid v0.5.3
[INFO] [stderr]    Compiling unzip-n v0.1.2
[INFO] [stderr]     Checking asteracea_proc-macro-definitions v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `CaptureDefinition`
[INFO] [stdout]  --> src/component_declaration.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     part::{CaptureDefinition, GenerateContext},
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CaptureDefinition`
[INFO] [stdout]  --> src/component_declaration.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     part::{CaptureDefinition, GenerateContext},
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `call2_for_syn::call2`
[INFO] [stdout]  --> src/component_declaration.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use call2_for_syn::call2;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `call2_for_syn::call2`
[INFO] [stdout]  --> src/component_declaration.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use call2_for_syn::call2;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `heck::KebabCase`
[INFO] [stdout]  --> src/component_declaration.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use heck::KebabCase;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `heck::KebabCase`
[INFO] [stdout]  --> src/component_declaration.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use heck::KebabCase;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LitStr`, `Type`
[INFO] [stdout]   --> src/component_declaration.rs:18:54
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Attribute, Error, FnArg, Generics, Ident, Lifetime, LitStr, ReturnType, Token, Type,
[INFO] [stdout]    |                                                         ^^^^^^                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LitStr`, `Type`
[INFO] [stdout]   --> src/component_declaration.rs:18:54
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Attribute, Error, FnArg, Generics, Ident, Lifetime, LitStr, ReturnType, Token, Type,
[INFO] [stdout]    |                                                         ^^^^^^                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `spanned::Spanned`
[INFO] [stdout]   --> src/component_declaration.rs:16:2
[INFO] [stdout]    |
[INFO] [stdout] 16 |     spanned::Spanned,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `spanned::Spanned`
[INFO] [stdout]   --> src/component_declaration.rs:16:2
[INFO] [stdout]    |
[INFO] [stdout] 16 |     spanned::Spanned,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `rhizome_transform` is never read
[INFO] [stdout]    --> src/component_declaration.rs:279:4
[INFO] [stdout]     |
[INFO] [stdout] 279 |             rhizome_transform = true;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `rhizome_transform` is never read
[INFO] [stdout]    --> src/component_declaration.rs:279:4
[INFO] [stdout]     |
[INFO] [stdout] 279 |             rhizome_transform = true;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/component_declaration.rs:193:7
[INFO] [stdout]     |
[INFO] [stdout] 193 |         let mut rhizome_extractions = Vec::new();
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/component_declaration.rs:193:7
[INFO] [stdout]     |
[INFO] [stdout] 193 |         let mut rhizome_extractions = Vec::new();
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[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 8.91s
[INFO] running `Command { std: "docker" "inspect" "58b4837699749ef1fe1b1f6c102a5b479f343db716e6141631ca2e8c66c42aac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58b4837699749ef1fe1b1f6c102a5b479f343db716e6141631ca2e8c66c42aac", kill_on_drop: false }`
[INFO] [stdout] 58b4837699749ef1fe1b1f6c102a5b479f343db716e6141631ca2e8c66c42aac