[INFO] fetching crate pest_generator_tmp 2.1.0...
[INFO] checking pest_generator_tmp-2.1.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate pest_generator_tmp 2.1.0 into /workspace/builds/worker-32/source
[INFO] validating manifest of crates.io crate pest_generator_tmp 2.1.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pest_generator_tmp 2.1.0
[INFO] finished tweaking crates.io crate pest_generator_tmp 2.1.0
[INFO] tweaked toml for crates.io crate pest_generator_tmp 2.1.0 written to /workspace/builds/worker-32/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd710e89c963eb70a8d3fff6e253a194582e184890a571dafabc32bc6ea78ae0
[INFO] running `Command { std: "docker" "start" "-a" "cd710e89c963eb70a8d3fff6e253a194582e184890a571dafabc32bc6ea78ae0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd710e89c963eb70a8d3fff6e253a194582e184890a571dafabc32bc6ea78ae0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd710e89c963eb70a8d3fff6e253a194582e184890a571dafabc32bc6ea78ae0", kill_on_drop: false }`
[INFO] [stdout] cd710e89c963eb70a8d3fff6e253a194582e184890a571dafabc32bc6ea78ae0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 110ab36f3efd15d7582e8a787b44d7533dcf35270019f6331af0b373a7e2cb6d
[INFO] running `Command { std: "docker" "start" "-a" "110ab36f3efd15d7582e8a787b44d7533dcf35270019f6331af0b373a7e2cb6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking pest_tmp v2.1.1
[INFO] [stderr]     Checking pest_meta_tmp v2.1.1
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking pest_generator_tmp v2.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:123:17
[INFO] [stdout]     |
[INFO] [stdout] 123 |                 (name_value.ident == "grammar" || name_value.ident == "grammar_inline")
[INFO] [stdout]     |                 ^                                                                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 123 -                 (name_value.ident == "grammar" || name_value.ident == "grammar_inline")
[INFO] [stdout] 123 +                 name_value.ident == "grammar" || name_value.ident == "grammar_inline"
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:123:17
[INFO] [stdout]     |
[INFO] [stdout] 123 |                 (name_value.ident == "grammar" || name_value.ident == "grammar_inline")
[INFO] [stdout]     |                 ^                                                                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 123 -                 (name_value.ident == "grammar" || name_value.ident == "grammar_inline")
[INFO] [stdout] 123 +                 name_value.ident == "grammar" || name_value.ident == "grammar_inline"
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.50s
[INFO] running `Command { std: "docker" "inspect" "110ab36f3efd15d7582e8a787b44d7533dcf35270019f6331af0b373a7e2cb6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "110ab36f3efd15d7582e8a787b44d7533dcf35270019f6331af0b373a7e2cb6d", kill_on_drop: false }`
[INFO] [stdout] 110ab36f3efd15d7582e8a787b44d7533dcf35270019f6331af0b373a7e2cb6d