[INFO] fetching crate sample-config-macros 0.2.0... [INFO] checking sample-config-macros-0.2.0 against master#f167efad2f51088d86180ee89177b3d7c9e7c2f5 for pr-129543 [INFO] extracting crate sample-config-macros 0.2.0 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate sample-config-macros 0.2.0 on toolchain f167efad2f51088d86180ee89177b3d7c9e7c2f5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate sample-config-macros 0.2.0 [INFO] finished tweaking crates.io crate sample-config-macros 0.2.0 [INFO] tweaked toml for crates.io crate sample-config-macros 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 5 packages to latest compatible versions [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.77) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cdfbf6bc2c86ca7dda3ee0feb3ae3e701c8d46230f80371ad290480369ecac05 [INFO] running `Command { std: "docker" "start" "-a" "cdfbf6bc2c86ca7dda3ee0feb3ae3e701c8d46230f80371ad290480369ecac05", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cdfbf6bc2c86ca7dda3ee0feb3ae3e701c8d46230f80371ad290480369ecac05", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cdfbf6bc2c86ca7dda3ee0feb3ae3e701c8d46230f80371ad290480369ecac05", kill_on_drop: false }` [INFO] [stdout] cdfbf6bc2c86ca7dda3ee0feb3ae3e701c8d46230f80371ad290480369ecac05 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f5e1ec7b0a3a65877e351d0d9795e67cf06d55d7a89a4c5da559222126a3acae [INFO] running `Command { std: "docker" "start" "-a" "f5e1ec7b0a3a65877e351d0d9795e67cf06d55d7a89a4c5da559222126a3acae", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking sample-config-macros v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `yaml_fields` [INFO] [stdout] --> src/derive.rs:114:6 [INFO] [stdout] | [INFO] [stdout] 114 | let yaml_fields = fields.iter().map(FieldData::to_yaml_generator); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_yaml_fields` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `json_fields` [INFO] [stdout] --> src/derive.rs:115:6 [INFO] [stdout] | [INFO] [stdout] 115 | let json_fields = fields.iter().map(FieldData::to_json_generator); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_json_fields` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `yaml_fields` [INFO] [stdout] --> src/derive.rs:114:6 [INFO] [stdout] | [INFO] [stdout] 114 | let yaml_fields = fields.iter().map(FieldData::to_yaml_generator); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_yaml_fields` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `variant_idents` [INFO] [stdout] --> src/derive.rs:160:6 [INFO] [stdout] | [INFO] [stdout] 160 | let variant_idents = data.variants.iter().map(|variant| &variant.ident).collect::>(); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_idents` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `variant_strings` [INFO] [stdout] --> src/derive.rs:161:6 [INFO] [stdout] | [INFO] [stdout] 161 | let variant_strings = [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_strings` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `json_fields` [INFO] [stdout] --> src/derive.rs:115:6 [INFO] [stdout] | [INFO] [stdout] 115 | let json_fields = fields.iter().map(FieldData::to_json_generator); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_json_fields` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `variant_idents` [INFO] [stdout] --> src/derive.rs:160:6 [INFO] [stdout] | [INFO] [stdout] 160 | let variant_idents = data.variants.iter().map(|variant| &variant.ident).collect::>(); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_idents` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `variant_strings` [INFO] [stdout] --> src/derive.rs:161:6 [INFO] [stdout] | [INFO] [stdout] 161 | let variant_strings = [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_variant_strings` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.07s [INFO] running `Command { std: "docker" "inspect" "f5e1ec7b0a3a65877e351d0d9795e67cf06d55d7a89a4c5da559222126a3acae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f5e1ec7b0a3a65877e351d0d9795e67cf06d55d7a89a4c5da559222126a3acae", kill_on_drop: false }` [INFO] [stdout] f5e1ec7b0a3a65877e351d0d9795e67cf06d55d7a89a4c5da559222126a3acae