[INFO] fetching crate pest_generator_tmp 2.1.0...
[INFO] checking pest_generator_tmp-2.1.0 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate pest_generator_tmp 2.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate pest_generator_tmp 2.1.0 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pest_meta_tmp v2.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ffb121a98b7ce9b36a22f99a56486bb5b848958a3d5c1edaecd18d8de5d82f8
[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" "4ffb121a98b7ce9b36a22f99a56486bb5b848958a3d5c1edaecd18d8de5d82f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ffb121a98b7ce9b36a22f99a56486bb5b848958a3d5c1edaecd18d8de5d82f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ffb121a98b7ce9b36a22f99a56486bb5b848958a3d5c1edaecd18d8de5d82f8", kill_on_drop: false }`
[INFO] [stdout] 4ffb121a98b7ce9b36a22f99a56486bb5b848958a3d5c1edaecd18d8de5d82f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f024275d70dbdbca9b14fcda5e423642ffe1bc9f16678190d1de01f30a3421a
[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" "0f024275d70dbdbca9b14fcda5e423642ffe1bc9f16678190d1de01f30a3421a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking pest_tmp v2.1.1
[INFO] [stderr]     Checking pest_meta_tmp v2.1.1
[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 3.33s
[INFO] running `Command { std: "docker" "inspect" "0f024275d70dbdbca9b14fcda5e423642ffe1bc9f16678190d1de01f30a3421a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f024275d70dbdbca9b14fcda5e423642ffe1bc9f16678190d1de01f30a3421a", kill_on_drop: false }`
[INFO] [stdout] 0f024275d70dbdbca9b14fcda5e423642ffe1bc9f16678190d1de01f30a3421a