[INFO] fetching crate proc-macro-rules-macros 0.2.0...
[INFO] checking proc-macro-rules-macros-0.2.0 against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] extracting crate proc-macro-rules-macros 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate proc-macro-rules-macros 0.2.0 on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 327232c3b7743de2d99ebd54e0e1c2cd79bfcf527032be451b7e103f45166b48
[INFO] running `Command { std: "docker" "start" "-a" "327232c3b7743de2d99ebd54e0e1c2cd79bfcf527032be451b7e103f45166b48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "327232c3b7743de2d99ebd54e0e1c2cd79bfcf527032be451b7e103f45166b48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "327232c3b7743de2d99ebd54e0e1c2cd79bfcf527032be451b7e103f45166b48", kill_on_drop: false }`
[INFO] [stdout] 327232c3b7743de2d99ebd54e0e1c2cd79bfcf527032be451b7e103f45166b48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ebdccd28cf1bcd9437b27b5c99495bf7993bceac0bf14d14a019190b8e13e11
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3ebdccd28cf1bcd9437b27b5c99495bf7993bceac0bf14d14a019190b8e13e11", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking syn v0.15.44
[INFO] [stderr]     Checking proc-macro-rules-macros v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0061]: this function 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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3ebdccd28cf1bcd9437b27b5c99495bf7993bceac0bf14d14a019190b8e13e11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ebdccd28cf1bcd9437b27b5c99495bf7993bceac0bf14d14a019190b8e13e11", kill_on_drop: false }`
[INFO] [stdout] 3ebdccd28cf1bcd9437b27b5c99495bf7993bceac0bf14d14a019190b8e13e11