[INFO] fetching crate wasm-webidl-bindings 0.8.0...
[INFO] checking wasm-webidl-bindings-0.8.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate wasm-webidl-bindings 0.8.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate wasm-webidl-bindings 0.8.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasm-webidl-bindings 0.8.0
[INFO] finished tweaking crates.io crate wasm-webidl-bindings 0.8.0
[INFO] tweaked toml for crates.io crate wasm-webidl-bindings 0.8.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 95 packages to latest compatible versions
[INFO] [stderr]       Adding arrayvec v0.5.2 (available: v0.7.6)
[INFO] [stderr]       Adding ascii-canvas v2.0.0 (available: v3.0.0)
[INFO] [stderr]       Adding autocfg v0.1.8 (available: v1.4.0)
[INFO] [stderr]       Adding base64 v0.13.1 (available: v0.22.1)
[INFO] [stderr]       Adding bit-set v0.5.3 (available: v0.8.0)
[INFO] [stderr]       Adding bit-vec v0.6.3 (available: v0.8.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.6.0)
[INFO] [stderr]       Adding blake2b_simd v0.5.11 (available: v1.0.2)
[INFO] [stderr]       Adding block-buffer v0.7.3 (available: v0.10.4)
[INFO] [stderr]       Adding block-padding v0.1.5 (available: v0.3.3)
[INFO] [stderr]       Adding cloudabi v0.0.3 (available: v0.1.0)
[INFO] [stderr]       Adding constant_time_eq v0.1.5 (available: v0.3.1)
[INFO] [stderr]       Adding digest v0.8.1 (available: v0.10.7)
[INFO] [stderr]       Adding dirs v1.0.5 (available: v5.0.1)
[INFO] [stderr]       Adding ena v0.13.1 (available: v0.14.3)
[INFO] [stderr]       Adding env_logger v0.6.2 (available: v0.11.5)
[INFO] [stderr]       Adding fixedbitset v0.1.9 (available: v0.5.7)
[INFO] [stderr]       Adding generic-array v0.12.4 (available: v1.1.0)
[INFO] [stderr]       Adding getrandom v0.1.16 (available: v0.2.15)
[INFO] [stderr]       Adding heck v0.3.3 (available: v0.5.0)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (available: v0.4.0)
[INFO] [stderr]       Adding itertools v0.8.2 (available: v0.13.0)
[INFO] [stderr]       Adding lalrpop v0.17.2 (available: v0.21.0)
[INFO] [stderr]       Adding lalrpop-util v0.17.2 (available: v0.21.0)
[INFO] [stderr]       Adding opaque-debug v0.2.3 (available: v0.3.1)
[INFO] [stderr]       Adding ordermap v0.3.5 (available: v0.5.3)
[INFO] [stderr]       Adding petgraph v0.4.13 (available: v0.6.5)
[INFO] [stderr]       Adding phf_generator v0.7.24 (available: v0.11.2)
[INFO] [stderr]       Adding phf_shared v0.7.24 (available: v0.11.2)
[INFO] [stderr]       Adding quickcheck v0.8.5 (available: v1.0.3)
[INFO] [stderr]       Adding rand v0.6.5 (available: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.1.1 (available: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.3.1 (available: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (available: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.1.0 (available: v0.3.2)
[INFO] [stderr]       Adding rand_isaac v0.1.1 (available: v0.3.0)
[INFO] [stderr]       Adding rand_jitter v0.1.4 (available: v0.4.0)
[INFO] [stderr]       Adding rand_os v0.1.3 (available: v0.2.2)
[INFO] [stderr]       Adding rand_pcg v0.1.2 (available: v0.3.1)
[INFO] [stderr]       Adding rand_xorshift v0.1.1 (available: v0.3.0)
[INFO] [stderr]       Adding rdrand v0.4.0 (available: v0.8.3)
[INFO] [stderr]       Adding redox_syscall v0.1.57 (available: v0.5.6)
[INFO] [stderr]       Adding redox_users v0.3.5 (available: v0.4.6)
[INFO] [stderr]       Adding regex-syntax v0.6.29 (available: v0.8.4)
[INFO] [stderr]       Adding rust-argon2 v0.8.3 (available: v2.1.0)
[INFO] [stderr]       Adding sha2 v0.8.2 (available: v0.10.8)
[INFO] [stderr]       Adding siphasher v0.2.3 (available: v1.0.1)
[INFO] [stderr]       Adding string_cache v0.7.5 (available: v0.8.7)
[INFO] [stderr]       Adding string_cache_codegen v0.4.4 (available: v0.5.2)
[INFO] [stderr]       Adding strsim v0.10.0 (available: v0.11.1)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.79)
[INFO] [stderr]       Adding term v0.5.2 (available: v1.0.0)
[INFO] [stderr]       Adding unicode-xid v0.1.0 (available: v0.2.6)
[INFO] [stderr]       Adding walrus v0.15.0 (available: v0.22.0)
[INFO] [stderr]       Adding walrus-macro v0.15.0 (available: v0.22.0)
[INFO] [stderr]       Adding wasi v0.9.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding wasmparser v0.48.2 (available: v0.217.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51790ae97709441795a4c4b53f0c6e2f902470afe91e13e4d93bf7248c5d350b
[INFO] running `Command { std: "docker" "start" "-a" "51790ae97709441795a4c4b53f0c6e2f902470afe91e13e4d93bf7248c5d350b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51790ae97709441795a4c4b53f0c6e2f902470afe91e13e4d93bf7248c5d350b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51790ae97709441795a4c4b53f0c6e2f902470afe91e13e4d93bf7248c5d350b", kill_on_drop: false }`
[INFO] [stdout] 51790ae97709441795a4c4b53f0c6e2f902470afe91e13e4d93bf7248c5d350b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d30730687a7c68e98d285c9638eba64d97729415149357fbfc467d2731b72f5f
[INFO] running `Command { std: "docker" "start" "-a" "d30730687a7c68e98d285c9638eba64d97729415149357fbfc467d2731b72f5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]     Checking leb128 v0.2.5
[INFO] [stderr]     Checking wasmparser v0.48.2
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling walrus-macro v0.15.0
[INFO] [stderr]     Checking walrus v0.15.0
[INFO] [stderr]     Checking wasm-webidl-bindings v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `section`, `module`, and `ids` are never read
[INFO] [stdout]    --> src/ast.rs:290:5
[INFO] [stdout]     |
[INFO] [stdout] 289 | pub struct BuildAstActions<'a> {
[INFO] [stdout]     |            --------------- fields in this struct
[INFO] [stdout] 290 |     section: &'a mut WebidlBindings,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 291 |     module: &'a walrus::Module,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 292 |     ids: &'a walrus::IndicesToIds,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `BuildAstActions` has a derived impl for the trait `Debug`, but this is 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] [stdout] warning: fields `section`, `module`, and `ids` are never read
[INFO] [stdout]    --> src/ast.rs:290:5
[INFO] [stdout]     |
[INFO] [stdout] 289 | pub struct BuildAstActions<'a> {
[INFO] [stdout]     |            --------------- fields in this struct
[INFO] [stdout] 290 |     section: &'a mut WebidlBindings,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 291 |     module: &'a walrus::Module,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 292 |     ids: &'a walrus::IndicesToIds,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `BuildAstActions` has a derived impl for the trait `Debug`, but this is 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 6.84s
[INFO] running `Command { std: "docker" "inspect" "d30730687a7c68e98d285c9638eba64d97729415149357fbfc467d2731b72f5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d30730687a7c68e98d285c9638eba64d97729415149357fbfc467d2731b72f5f", kill_on_drop: false }`
[INFO] [stdout] d30730687a7c68e98d285c9638eba64d97729415149357fbfc467d2731b72f5f