[INFO] fetching crate gf256-macros 0.3.0...
[INFO] checking gf256-macros-0.3.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate gf256-macros 0.3.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate gf256-macros 0.3.0 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 gf256-macros 0.3.0
[INFO] finished tweaking crates.io crate gf256-macros 0.3.0
[INFO] tweaked toml for crates.io crate gf256-macros 0.3.0 written to /workspace/builds/worker-7-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 12 packages to latest compatible versions
[INFO] [stderr]       Adding darling v0.12.4 (latest: v0.20.10)
[INFO] [stderr]       Adding darling_core v0.12.4 (latest: v0.20.10)
[INFO] [stderr]       Adding darling_macro v0.12.4 (latest: v0.20.10)
[INFO] [stderr]       Adding evalexpr v6.6.0 (latest: v11.3.0)
[INFO] [stderr]       Adding strsim v0.10.0 (latest: v0.11.1)
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded evalexpr v6.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7a84beaf415e0d87acce9bbcfbcd396305f88e3e4fbfb830a2207b4fec5a781e
[INFO] running `Command { std: "docker" "start" "-a" "7a84beaf415e0d87acce9bbcfbcd396305f88e3e4fbfb830a2207b4fec5a781e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a84beaf415e0d87acce9bbcfbcd396305f88e3e4fbfb830a2207b4fec5a781e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a84beaf415e0d87acce9bbcfbcd396305f88e3e4fbfb830a2207b4fec5a781e", kill_on_drop: false }`
[INFO] [stdout] 7a84beaf415e0d87acce9bbcfbcd396305f88e3e4fbfb830a2207b4fec5a781e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 5bfd03ddc6fee29e69a27f119954b678308cfbb7f78ec50a28aacce8e1d1f03d
[INFO] running `Command { std: "docker" "start" "-a" "5bfd03ddc6fee29e69a27f119954b678308cfbb7f78ec50a28aacce8e1d1f03d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking evalexpr v6.6.0
[INFO] [stderr]     Checking darling_core v0.12.4
[INFO] [stderr]    Compiling darling_macro v0.12.4
[INFO] [stderr]     Checking darling v0.12.4
[INFO] [stderr]     Checking gf256-macros v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/common.rs:99:31
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub(crate) struct ExprWrapper(pub syn::Expr);
[INFO] [stdout]    |                   ----------- ^^^^^^^^^^^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `ExprWrapper` 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: field `0` is never read
[INFO] [stdout]   --> src/common.rs:99:31
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub(crate) struct ExprWrapper(pub syn::Expr);
[INFO] [stdout]    |                   ----------- ^^^^^^^^^^^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `ExprWrapper` 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.39s
[INFO] running `Command { std: "docker" "inspect" "5bfd03ddc6fee29e69a27f119954b678308cfbb7f78ec50a28aacce8e1d1f03d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bfd03ddc6fee29e69a27f119954b678308cfbb7f78ec50a28aacce8e1d1f03d", kill_on_drop: false }`
[INFO] [stdout] 5bfd03ddc6fee29e69a27f119954b678308cfbb7f78ec50a28aacce8e1d1f03d