[INFO] fetching crate smiles-parser 0.4.1...
[INFO] checking smiles-parser-0.4.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate smiles-parser 0.4.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate smiles-parser 0.4.1 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate smiles-parser 0.4.1
[INFO] finished tweaking crates.io crate smiles-parser 0.4.1
[INFO] tweaked toml for crates.io crate smiles-parser 0.4.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 35 packages to latest compatible versions
[INFO] [stderr]       Adding arrayvec v0.5.2 (available: v0.7.6)
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.6.0)
[INFO] [stderr]       Adding bitvec v0.19.6 (available: v1.0.1)
[INFO] [stderr]       Adding convert_case v0.4.0 (available: v0.6.0)
[INFO] [stderr]       Adding derive_more v0.99.18 (available: v1.0.0)
[INFO] [stderr]       Adding fixedbitset v0.2.0 (available: v0.5.7)
[INFO] [stderr]       Adding funty v1.1.0 (available: v2.0.0)
[INFO] [stderr]       Adding hashbrown v0.12.3 (available: v0.14.5)
[INFO] [stderr]       Adding indexmap v1.9.3 (available: v2.5.0)
[INFO] [stderr]       Adding itertools v0.9.0 (available: v0.13.0)
[INFO] [stderr]       Adding lexical-core v0.7.6 (available: v1.0.2)
[INFO] [stderr]       Adding memchr v2.3.4 (available: v2.7.4)
[INFO] [stderr]       Adding nom v6.2.2 (available: v7.1.3)
[INFO] [stderr]       Adding petgraph v0.5.1 (available: v0.6.5)
[INFO] [stderr]       Adding radium v0.5.3 (available: v1.1.0)
[INFO] [stderr]       Adding wyz v0.2.0 (available: v0.6.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 987db3e6b9a82b015721a1e100b03eca2f1700984907cad2640af442349e25ab
[INFO] running `Command { std: "docker" "start" "-a" "987db3e6b9a82b015721a1e100b03eca2f1700984907cad2640af442349e25ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "987db3e6b9a82b015721a1e100b03eca2f1700984907cad2640af442349e25ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "987db3e6b9a82b015721a1e100b03eca2f1700984907cad2640af442349e25ab", kill_on_drop: false }`
[INFO] [stdout] 987db3e6b9a82b015721a1e100b03eca2f1700984907cad2640af442349e25ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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 -Dtail_expr_drop_order" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18c1c229562e6adae6bb985ffed36fb238fe3d9a98b69c5b316a69eb49f9d6da
[INFO] running `Command { std: "docker" "start" "-a" "18c1c229562e6adae6bb985ffed36fb238fe3d9a98b69c5b316a69eb49f9d6da", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]    Compiling nom v6.2.2
[INFO] [stderr]    Compiling periodic-table-on-an-enum v0.3.2
[INFO] [stderr]     Checking bitvec v0.19.6
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]     Checking smiles-parser v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `item` and `item_label` are never read
[INFO] [stdout]   --> tests/wikidata.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct WikidataItem {
[INFO] [stdout]    |        ------------ fields in this struct
[INFO] [stdout] 18 |     pub item: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 19 |     #[serde(rename = "itemLabel")]
[INFO] [stdout] 20 |     pub item_label: String,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WikidataItem` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.35s
[INFO] running `Command { std: "docker" "inspect" "18c1c229562e6adae6bb985ffed36fb238fe3d9a98b69c5b316a69eb49f9d6da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18c1c229562e6adae6bb985ffed36fb238fe3d9a98b69c5b316a69eb49f9d6da", kill_on_drop: false }`
[INFO] [stdout] 18c1c229562e6adae6bb985ffed36fb238fe3d9a98b69c5b316a69eb49f9d6da