[INFO] fetching crate powerset-enum-attr 0.1.0...
[INFO] building powerset-enum-attr-0.1.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate powerset-enum-attr 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate powerset-enum-attr 0.1.0
[INFO] finished tweaking crates.io crate powerset-enum-attr 0.1.0
[INFO] tweaked toml for crates.io crate powerset-enum-attr 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate powerset-enum-attr 0.1.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (available: v1.0.101)
[INFO] [stderr]       Adding quote v0.6.13 (available: v1.0.41)
[INFO] [stderr]       Adding syn v0.15.44 (available: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48917baa334f759e7d4c96bf10f6f878f2c1faa8ebfa101bec4763f6617af0db
[INFO] running `Command { std: "docker" "start" "-a" "48917baa334f759e7d4c96bf10f6f878f2c1faa8ebfa101bec4763f6617af0db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48917baa334f759e7d4c96bf10f6f878f2c1faa8ebfa101bec4763f6617af0db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48917baa334f759e7d4c96bf10f6f878f2c1faa8ebfa101bec4763f6617af0db", kill_on_drop: false }`
[INFO] [stdout] 48917baa334f759e7d4c96bf10f6f878f2c1faa8ebfa101bec4763f6617af0db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bcf1fa866b7bcb1065f9193584cdd6d4dc2d5bfa0f1dad163f2711dccf93147a
[INFO] running `Command { std: "docker" "start" "-a" "bcf1fa866b7bcb1065f9193584cdd6d4dc2d5bfa0f1dad163f2711dccf93147a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling powerset-enum-attr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `comma` is never read
[INFO] [stdout]  --> src/powerset_macro_impl.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct PowersetMacroInput {
[INFO] [stdout]   |            ------------------ field in this struct
[INFO] [stdout] 8 |     empty_powerset: syn::Type,
[INFO] [stdout] 9 |     comma: Option<syn::token::Comma>,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `PowersetMacroInput` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.21s
[INFO] running `Command { std: "docker" "inspect" "bcf1fa866b7bcb1065f9193584cdd6d4dc2d5bfa0f1dad163f2711dccf93147a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcf1fa866b7bcb1065f9193584cdd6d4dc2d5bfa0f1dad163f2711dccf93147a", kill_on_drop: false }`
[INFO] [stdout] bcf1fa866b7bcb1065f9193584cdd6d4dc2d5bfa0f1dad163f2711dccf93147a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c3ea6353bc1b4fd531f60e215e64ad3a27475df18b443b544ce69782ab25594
[INFO] running `Command { std: "docker" "start" "-a" "4c3ea6353bc1b4fd531f60e215e64ad3a27475df18b443b544ce69782ab25594", kill_on_drop: false }`
[INFO] [stderr]    Compiling powerset-enum-attr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `comma` is never read
[INFO] [stdout]  --> src/powerset_macro_impl.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct PowersetMacroInput {
[INFO] [stdout]   |            ------------------ field in this struct
[INFO] [stdout] 8 |     empty_powerset: syn::Type,
[INFO] [stdout] 9 |     comma: Option<syn::token::Comma>,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `PowersetMacroInput` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `comma` is never read
[INFO] [stdout]  --> src/powerset_macro_impl.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct PowersetMacroInput {
[INFO] [stdout]   |            ------------------ field in this struct
[INFO] [stdout] 8 |     empty_powerset: syn::Type,
[INFO] [stdout] 9 |     comma: Option<syn::token::Comma>,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `PowersetMacroInput` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "4c3ea6353bc1b4fd531f60e215e64ad3a27475df18b443b544ce69782ab25594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c3ea6353bc1b4fd531f60e215e64ad3a27475df18b443b544ce69782ab25594", kill_on_drop: false }`
[INFO] [stdout] 4c3ea6353bc1b4fd531f60e215e64ad3a27475df18b443b544ce69782ab25594
