[INFO] fetching crate zisvalidator_derive 0.1.6...
[INFO] checking zisvalidator_derive-0.1.6 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate zisvalidator_derive 0.1.6 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate zisvalidator_derive 0.1.6 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zisvalidator_derive 0.1.6
[INFO] finished tweaking crates.io crate zisvalidator_derive 0.1.6
[INFO] tweaked toml for crates.io crate zisvalidator_derive 0.1.6 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e58eb60cea249df2e63c67ea6cbf5867b1362a3b7296dd18d73a0b7809d5698
[INFO] running `Command { std: "docker" "start" "-a" "0e58eb60cea249df2e63c67ea6cbf5867b1362a3b7296dd18d73a0b7809d5698", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e58eb60cea249df2e63c67ea6cbf5867b1362a3b7296dd18d73a0b7809d5698", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e58eb60cea249df2e63c67ea6cbf5867b1362a3b7296dd18d73a0b7809d5698", kill_on_drop: false }`
[INFO] [stdout] 0e58eb60cea249df2e63c67ea6cbf5867b1362a3b7296dd18d73a0b7809d5698
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5923be2a6f9e4feb7d97ad750aaf9bb929611c704fcdb21b75647506696b3e4f
[INFO] running `Command { std: "docker" "start" "-a" "5923be2a6f9e4feb7d97ad750aaf9bb929611c704fcdb21b75647506696b3e4f", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking proc-macro2 v1.0.86
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking syn v1.0.109
[INFO] [stderr]     Checking zisvalidator_derive v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `original` is never read
[INFO] [stdout]   --> src/ast.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct Variant<'a> {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub original: &'a syn::Variant,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Variant` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MESSAGE` is never used
[INFO] [stdout]   --> src/symbol.rs:19:11
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub const MESSAGE: Symbol = Symbol("message");
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `original` is never read
[INFO] [stdout]   --> src/ast.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct Variant<'a> {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub original: &'a syn::Variant,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Variant` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MESSAGE` is never used
[INFO] [stdout]   --> src/symbol.rs:19:11
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub const MESSAGE: Symbol = Symbol("message");
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.34s
[INFO] running `Command { std: "docker" "inspect" "5923be2a6f9e4feb7d97ad750aaf9bb929611c704fcdb21b75647506696b3e4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5923be2a6f9e4feb7d97ad750aaf9bb929611c704fcdb21b75647506696b3e4f", kill_on_drop: false }`
[INFO] [stdout] 5923be2a6f9e4feb7d97ad750aaf9bb929611c704fcdb21b75647506696b3e4f