[INFO] fetching crate proc-macro-rules-macros 0.2.0...
[INFO] checking proc-macro-rules-macros-0.2.0 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate proc-macro-rules-macros 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate proc-macro-rules-macros 0.2.0 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate proc-macro-rules-macros 0.2.0
[INFO] finished tweaking crates.io crate proc-macro-rules-macros 0.2.0
[INFO] tweaked toml for crates.io crate proc-macro-rules-macros 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c581721b1a9a678201079019191e33f2b23f9ed4a19ebfc4bfca0d9f6b96c70
[INFO] running `Command { std: "docker" "start" "-a" "5c581721b1a9a678201079019191e33f2b23f9ed4a19ebfc4bfca0d9f6b96c70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c581721b1a9a678201079019191e33f2b23f9ed4a19ebfc4bfca0d9f6b96c70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c581721b1a9a678201079019191e33f2b23f9ed4a19ebfc4bfca0d9f6b96c70", kill_on_drop: false }`
[INFO] [stdout] 5c581721b1a9a678201079019191e33f2b23f9ed4a19ebfc4bfca0d9f6b96c70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6a162eca59855ce569bc3fe8775d5bd1490abcaba8835fe2bae90458c946c8c
[INFO] running `Command { std: "docker" "start" "-a" "b6a162eca59855ce569bc3fe8775d5bd1490abcaba8835fe2bae90458c946c8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking proc-macro-rules-macros v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0061]: this enum variant takes 3 arguments but 2 arguments were supplied
[INFO] [stdout]    --> src/lib.rs:102:17
[INFO] [stdout]     |
[INFO] [stdout] 102 |                   Fragment::Repeat(SubRule {
[INFO] [stdout]     |  _________________^^^^^^^^^^^^^^^^_-
[INFO] [stdout]     | |                 |
[INFO] [stdout]     | |                 expected 3 arguments
[INFO] [stdout] 103 | |                     matchers: vec![Fragment::Var(Ident::new("foo", Span::call_site()), Type::Expr)],
[INFO] [stdout] 104 | |                 }, RepeatKind::OneOrMore),
[INFO] [stdout]     | |                 -  --------------------- supplied 2 arguments
[INFO] [stdout]     | |_________________|
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro-rules-macros` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b6a162eca59855ce569bc3fe8775d5bd1490abcaba8835fe2bae90458c946c8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6a162eca59855ce569bc3fe8775d5bd1490abcaba8835fe2bae90458c946c8c", kill_on_drop: false }`
[INFO] [stdout] b6a162eca59855ce569bc3fe8775d5bd1490abcaba8835fe2bae90458c946c8c