[INFO] crate kefta_macro 0.0.1 is already in cache
[INFO] checking kefta_macro-0.0.1 against try#24cd45d7714ba43afd4b8e62fb677b069b21c4a5 for pr-129543
[INFO] extracting crate kefta_macro 0.0.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate kefta_macro 0.0.1 on toolchain 24cd45d7714ba43afd4b8e62fb677b069b21c4a5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kefta_macro 0.0.1
[INFO] finished tweaking crates.io crate kefta_macro 0.0.1
[INFO] tweaked toml for crates.io crate kefta_macro 0.0.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] [stderr]       Adding litrs v0.2.3 (latest: v0.4.1)
[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" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd2d0fea8e7cab92788c9169135b9b5f308fa8365864e18c99d5798261aac485
[INFO] running `Command { std: "docker" "start" "-a" "fd2d0fea8e7cab92788c9169135b9b5f308fa8365864e18c99d5798261aac485", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd2d0fea8e7cab92788c9169135b9b5f308fa8365864e18c99d5798261aac485", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd2d0fea8e7cab92788c9169135b9b5f308fa8365864e18c99d5798261aac485", kill_on_drop: false }`
[INFO] [stdout] fd2d0fea8e7cab92788c9169135b9b5f308fa8365864e18c99d5798261aac485
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c106c96fef798d21790fb002fc3ef5cddfdf940e5af0ef225e5bc0d5126d93d3
[INFO] running `Command { std: "docker" "start" "-a" "c106c96fef798d21790fb002fc3ef5cddfdf940e5af0ef225e5bc0d5126d93d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking litrs v0.2.3
[INFO] [stderr]     Checking kefta_core v0.0.1
[INFO] [stderr]     Checking kefta_macro v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `name` and `alias` are never read
[INFO] [stdout]   --> src/attr.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct EnumAttr {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 36 |     pub name: Option<String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 37 |     pub alias: Vec<String>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[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: fields `name` and `alias` are never read
[INFO] [stdout]   --> src/attr.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct EnumAttr {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 36 |     pub name: Option<String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 37 |     pub alias: Vec<String>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.30s
[INFO] running `Command { std: "docker" "inspect" "c106c96fef798d21790fb002fc3ef5cddfdf940e5af0ef225e5bc0d5126d93d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c106c96fef798d21790fb002fc3ef5cddfdf940e5af0ef225e5bc0d5126d93d3", kill_on_drop: false }`
[INFO] [stdout] c106c96fef798d21790fb002fc3ef5cddfdf940e5af0ef225e5bc0d5126d93d3