[INFO] fetching crate proc-macro-rules-macros 0.4.0...
[INFO] building proc-macro-rules-macros-0.4.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate proc-macro-rules-macros 0.4.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate proc-macro-rules-macros 0.4.0
[INFO] finished tweaking crates.io crate proc-macro-rules-macros 0.4.0
[INFO] tweaked toml for crates.io crate proc-macro-rules-macros 0.4.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate proc-macro-rules-macros 0.4.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21baaad5a29e1f0905268dbc02bc0744b74de0667e1642b0366f143c723fc6d4
[INFO] running `Command { std: "docker" "start" "-a" "21baaad5a29e1f0905268dbc02bc0744b74de0667e1642b0366f143c723fc6d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21baaad5a29e1f0905268dbc02bc0744b74de0667e1642b0366f143c723fc6d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21baaad5a29e1f0905268dbc02bc0744b74de0667e1642b0366f143c723fc6d4", kill_on_drop: false }`
[INFO] [stdout] 21baaad5a29e1f0905268dbc02bc0744b74de0667e1642b0366f143c723fc6d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4077d382cf2dbdd1a4cce62cc3925539bb6ea4333164510471eac9a4dffbb5c5
[INFO] running `Command { std: "docker" "start" "-a" "4077d382cf2dbdd1a4cce62cc3925539bb6ea4333164510471eac9a4dffbb5c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-rules-macros v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/ast.rs:89:16
[INFO] [stdout]    |
[INFO] [stdout] 89 |     Var(Ident, Type),
[INFO] [stdout]    |     ---        ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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] 89 -     Var(Ident, Type),
[INFO] [stdout] 89 +     Var(Ident, ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "4077d382cf2dbdd1a4cce62cc3925539bb6ea4333164510471eac9a4dffbb5c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4077d382cf2dbdd1a4cce62cc3925539bb6ea4333164510471eac9a4dffbb5c5", kill_on_drop: false }`
[INFO] [stdout] 4077d382cf2dbdd1a4cce62cc3925539bb6ea4333164510471eac9a4dffbb5c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d08fb773821fb439fa14cc8adc319f6134566d4950b305772db325c889fef46
[INFO] running `Command { std: "docker" "start" "-a" "0d08fb773821fb439fa14cc8adc319f6134566d4950b305772db325c889fef46", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-rules-macros v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/ast.rs:89:16
[INFO] [stdout]    |
[INFO] [stdout] 89 |     Var(Ident, Type),
[INFO] [stdout]    |     ---        ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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] 89 -     Var(Ident, Type),
[INFO] [stdout] 89 +     Var(Ident, ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/ast.rs:89:16
[INFO] [stdout]    |
[INFO] [stdout] 89 |     Var(Ident, Type),
[INFO] [stdout]    |     ---        ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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] 89 -     Var(Ident, Type),
[INFO] [stdout] 89 +     Var(Ident, ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "0d08fb773821fb439fa14cc8adc319f6134566d4950b305772db325c889fef46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d08fb773821fb439fa14cc8adc319f6134566d4950b305772db325c889fef46", kill_on_drop: false }`
[INFO] [stdout] 0d08fb773821fb439fa14cc8adc319f6134566d4950b305772db325c889fef46