[INFO] fetching crate stateful_macro_rules 0.2.0...
[INFO] checking stateful_macro_rules-0.2.0 against master#a3f76a26e045a760bb1163b7eab36872985242d5 for pr-130930
[INFO] extracting crate stateful_macro_rules 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate stateful_macro_rules 0.2.0 on toolchain a3f76a26e045a760bb1163b7eab36872985242d5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stateful_macro_rules 0.2.0
[INFO] finished tweaking crates.io crate stateful_macro_rules 0.2.0
[INFO] tweaked toml for crates.io crate stateful_macro_rules 0.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d01d15bffeee794566a570628c476cf0944c1dbecc86864bcbf92f26f5276531
[INFO] running `Command { std: "docker" "start" "-a" "d01d15bffeee794566a570628c476cf0944c1dbecc86864bcbf92f26f5276531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d01d15bffeee794566a570628c476cf0944c1dbecc86864bcbf92f26f5276531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d01d15bffeee794566a570628c476cf0944c1dbecc86864bcbf92f26f5276531", kill_on_drop: false }`
[INFO] [stdout] d01d15bffeee794566a570628c476cf0944c1dbecc86864bcbf92f26f5276531
[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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47b3940c4bcfaff49a47eed4f2da0111235d640fa92d7629ff17a8d5d1f800b1
[INFO] running `Command { std: "docker" "start" "-a" "47b3940c4bcfaff49a47eed4f2da0111235d640fa92d7629ff17a8d5d1f800b1", kill_on_drop: false }`
[INFO] [stderr]     Checking stateful_macro_rules v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/util.rs:64:7
[INFO] [stdout]    |
[INFO] [stdout] 64 |     L(&'a Literal),
[INFO] [stdout]    |     - ^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 64 |     L(()),
[INFO] [stdout]    |       ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `delimiter_right` is never used
[INFO] [stdout]    --> src/util.rs:103:8
[INFO] [stdout]     |
[INFO] [stdout] 101 | trait GroupExt {
[INFO] [stdout]     |       -------- method in this trait
[INFO] [stdout] 102 |     fn delimiter_left(&self) -> char;
[INFO] [stdout] 103 |     fn delimiter_right(&self) -> char;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/util.rs:64:7
[INFO] [stdout]    |
[INFO] [stdout] 64 |     L(&'a Literal),
[INFO] [stdout]    |     - ^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 64 |     L(()),
[INFO] [stdout]    |       ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "47b3940c4bcfaff49a47eed4f2da0111235d640fa92d7629ff17a8d5d1f800b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47b3940c4bcfaff49a47eed4f2da0111235d640fa92d7629ff17a8d5d1f800b1", kill_on_drop: false }`
[INFO] [stdout] 47b3940c4bcfaff49a47eed4f2da0111235d640fa92d7629ff17a8d5d1f800b1