[INFO] fetching crate flowrlib 0.95.0... [INFO] checking flowrlib-0.95.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate flowrlib 0.95.0 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate flowrlib 0.95.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate flowrlib 0.95.0 [INFO] finished tweaking crates.io crate flowrlib 0.95.0 [INFO] tweaked toml for crates.io crate flowrlib 0.95.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 206 packages [INFO] [stderr] Adding addr2line v0.17.0 (latest: v0.21.0) [INFO] [stderr] Adding ahash v0.7.8 (latest: v0.8.11) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding cpp_demangle v0.3.5 (latest: v0.4.3) [INFO] [stderr] Adding cranelift-bforest v0.93.2 (latest: v0.106.1) [INFO] [stderr] Adding cranelift-codegen v0.93.2 (latest: v0.106.1) [INFO] [stderr] Adding cranelift-codegen-meta v0.93.2 (latest: v0.106.1) [INFO] [stderr] Adding cranelift-codegen-shared v0.93.2 (latest: v0.106.1) [INFO] [stderr] Adding cranelift-entity v0.93.2 (latest: v0.106.1) [INFO] [stderr] Adding cranelift-frontend v0.93.2 (latest: v0.106.1) [INFO] [stderr] Adding cranelift-isle v0.93.2 (latest: v0.106.1) [INFO] [stderr] Adding cranelift-native v0.93.2 (latest: v0.106.1) [INFO] [stderr] Adding cranelift-wasm v0.93.2 (latest: v0.106.1) [INFO] [stderr] Adding fallible-iterator v0.2.0 (latest: v0.3.0) [INFO] [stderr] Adding flowcore v0.95.0 (latest: v0.142.0) [INFO] [stderr] Adding gimli v0.26.2 (latest: v0.28.1) [INFO] [stderr] Adding hashbrown v0.12.3 (latest: v0.14.3) [INFO] [stderr] Adding idna v0.2.3 (latest: v0.5.0) [INFO] [stderr] Adding indexmap v1.9.3 (latest: v2.2.6) [INFO] [stderr] Adding io-lifetimes v1.0.11 (latest: v2.0.3) [INFO] [stderr] Adding itertools v0.8.2 (latest: v0.12.1) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.12.1) [INFO] [stderr] Adding linux-raw-sys v0.1.4 (latest: v0.6.4) [INFO] [stderr] Adding linux-raw-sys v0.4.13 (latest: v0.6.4) [INFO] [stderr] Adding memoffset v0.6.5 (latest: v0.9.1) [INFO] [stderr] Adding multimap v0.8.3 (latest: v0.10.0) [INFO] [stderr] Adding object v0.29.0 (latest: v0.34.0) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding rand v0.4.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding redox_syscall v0.4.1 (latest: v0.5.1) [INFO] [stderr] Adding regalloc2 v0.5.1 (latest: v0.9.3) [INFO] [stderr] Adding remove_dir_all v0.5.3 (latest: v0.8.2) [INFO] [stderr] Adding rustix v0.36.17 (latest: v0.38.32) [INFO] [stderr] Adding serial_test v1.0.0 (latest: v3.0.0) [INFO] [stderr] Adding serial_test_derive v1.0.0 (latest: v3.0.0) [INFO] [stderr] Adding simpath v2.3.0 (latest: v2.5.0) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding toml v0.7.8 (latest: v0.8.12) [INFO] [stderr] Adding toml_edit v0.19.15 (latest: v0.22.9) [INFO] [stderr] Adding url v2.2.2 (latest: v2.5.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding wasmparser v0.100.0 (latest: v0.202.0) [INFO] [stderr] Adding wasmtime v6.0.2 (latest: v19.0.1) [INFO] [stderr] Adding wasmtime-asm-macros v6.0.2 (latest: v19.0.1) [INFO] [stderr] Adding wasmtime-cranelift v6.0.2 (latest: v19.0.1) [INFO] [stderr] Adding wasmtime-environ v6.0.2 (latest: v19.0.1) [INFO] [stderr] Adding wasmtime-jit v6.0.2 (latest: v17.0.2) [INFO] [stderr] Adding wasmtime-jit-debug v6.0.2 (latest: v19.0.1) [INFO] [stderr] Adding wasmtime-jit-icache-coherence v6.0.2 (latest: v19.0.1) [INFO] [stderr] Adding wasmtime-runtime v6.0.2 (latest: v19.0.1) [INFO] [stderr] Adding wasmtime-types v6.0.2 (latest: v19.0.1) [INFO] [stderr] Adding windows-sys v0.42.0 (latest: v0.52.0) [INFO] [stderr] Adding windows-sys v0.45.0 (latest: v0.52.0) [INFO] [stderr] Adding windows-sys v0.48.0 (latest: v0.52.0) [INFO] [stderr] Adding windows-targets v0.42.2 (latest: v0.52.4) [INFO] [stderr] Adding windows-targets v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.42.2 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_msvc v0.42.2 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_gnu v0.42.2 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_msvc v0.42.2 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnu v0.42.2 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.42.2 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_msvc v0.42.2 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding winnow v0.5.40 (latest: v0.6.5) [INFO] [stderr] Adding zeromq-src v0.2.6+4.3.4 (latest: v0.3.1+4.3.5) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded zmq-sys v0.12.0 [INFO] [stderr] Downloaded dircpy v0.3.16 [INFO] [stderr] Downloaded system-deps v6.2.2 [INFO] [stderr] Downloaded cfg-expr v0.15.7 [INFO] [stderr] Downloaded version-compare v0.2.0 [INFO] [stderr] Downloaded jwalk v0.8.1 [INFO] [stderr] Downloaded wasmtime-jit-icache-coherence v6.0.2 [INFO] [stderr] Downloaded wasmtime-jit-debug v6.0.2 [INFO] [stderr] Downloaded wasmtime-asm-macros v6.0.2 [INFO] [stderr] Downloaded zmq v0.10.0 [INFO] [stderr] Downloaded portpicker v0.1.1 [INFO] [stderr] Downloaded serial_test_derive v1.0.0 [INFO] [stderr] Downloaded simpath v2.3.0 [INFO] [stderr] Downloaded shrinkwraprs v0.3.0 [INFO] [stderr] Downloaded serial_test v1.0.0 [INFO] [stderr] Downloaded error-chain v0.12.4 [INFO] [stderr] Downloaded cranelift-bforest v0.93.2 [INFO] [stderr] Downloaded flowcore v0.95.0 [INFO] [stderr] Downloaded cranelift-frontend v0.93.2 [INFO] [stderr] Downloaded curl v0.4.46 [INFO] [stderr] Downloaded regalloc2 v0.5.1 [INFO] [stderr] Downloaded object v0.29.0 [INFO] [stderr] Downloaded rustix v0.36.17 [INFO] [stderr] Downloaded gimli v0.26.2 [INFO] [stderr] Downloaded cranelift-codegen v0.93.2 [INFO] [stderr] Downloaded linux-raw-sys v0.1.4 [INFO] [stderr] Downloaded zeromq-src v0.2.6+4.3.4 [INFO] [stderr] Downloaded wasmtime-environ v6.0.2 [INFO] [stderr] Downloaded wasmtime-runtime v6.0.2 [INFO] [stderr] Downloaded wasmtime v6.0.2 [INFO] [stderr] Downloaded cranelift-wasm v0.93.2 [INFO] [stderr] Downloaded cranelift-codegen-meta v0.93.2 [INFO] [stderr] Downloaded cranelift-isle v0.93.2 [INFO] [stderr] Downloaded wasmtime-cranelift v6.0.2 [INFO] [stderr] Downloaded cpp_demangle v0.3.5 [INFO] [stderr] Downloaded wasmparser v0.100.0 [INFO] [stderr] Downloaded cranelift-entity v0.93.2 [INFO] [stderr] Downloaded windows-sys v0.42.0 [INFO] [stderr] Downloaded curl-sys v0.4.72+curl-8.6.0 [INFO] [stderr] Downloaded wasmtime-jit v6.0.2 [INFO] [stderr] Downloaded target-lexicon v0.12.14 [INFO] [stderr] Downloaded psm v0.1.21 [INFO] [stderr] Downloaded cranelift-native v0.93.2 [INFO] [stderr] Downloaded cranelift-codegen-shared v0.93.2 [INFO] [stderr] Downloaded slice-group-by v0.3.1 [INFO] [stderr] Downloaded memfd v0.6.4 [INFO] [stderr] Downloaded wasmtime-types v6.0.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2acf13ac2649ef54603546778f04fe48d19399b1326937819c7449907043d0f4 [INFO] running `Command { std: "docker" "start" "-a" "2acf13ac2649ef54603546778f04fe48d19399b1326937819c7449907043d0f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2acf13ac2649ef54603546778f04fe48d19399b1326937819c7449907043d0f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2acf13ac2649ef54603546778f04fe48d19399b1326937819c7449907043d0f4", kill_on_drop: false }` [INFO] [stdout] 2acf13ac2649ef54603546778f04fe48d19399b1326937819c7449907043d0f4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 32dd13de83d334da42d47b392aa3a113988e27720d39d2bff644ce538a7873bf [INFO] running `Command { std: "docker" "start" "-a" "32dd13de83d334da42d47b392aa3a113988e27720d39d2bff644ce538a7873bf", kill_on_drop: false }` [INFO] [stderr] Compiling target-lexicon v0.12.14 [INFO] [stderr] Compiling jobserver v0.1.28 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling either v1.10.0 [INFO] [stderr] Checking cranelift-entity v0.93.2 [INFO] [stderr] Checking fallible-iterator v0.2.0 [INFO] [stderr] Checking ahash v0.7.8 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Compiling cc v1.0.90 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Checking url v2.2.2 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling cranelift-isle v0.93.2 [INFO] [stderr] Compiling crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling crossbeam-channel v0.5.12 [INFO] [stderr] Compiling crossbeam-queue v0.3.11 [INFO] [stderr] Compiling crossbeam-deque v0.8.5 [INFO] [stderr] Compiling cranelift-codegen-shared v0.93.2 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling cranelift-codegen-meta v0.93.2 [INFO] [stderr] Compiling crc32fast v1.4.0 [INFO] [stderr] Compiling crossbeam v0.8.4 [INFO] [stderr] Compiling winnow v0.6.5 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Checking gimli v0.26.2 [INFO] [stderr] Checking wasmparser v0.100.0 [INFO] [stderr] Compiling rayon v1.10.0 [INFO] [stderr] Compiling libz-sys v1.1.16 [INFO] [stderr] Compiling openssl-sys v0.9.102 [INFO] [stderr] Compiling walkdir v2.5.0 [INFO] [stderr] Compiling serde_spanned v0.6.5 [INFO] [stderr] Compiling toml_datetime v0.6.5 [INFO] [stderr] Checking slice-group-by v0.3.1 [INFO] [stderr] Compiling cfg-expr v0.15.7 [INFO] [stderr] Compiling toml_edit v0.22.9 [INFO] [stderr] Compiling curl-sys v0.4.72+curl-8.6.0 [INFO] [stderr] Checking regalloc2 v0.5.1 [INFO] [stderr] Compiling jwalk v0.8.1 [INFO] [stderr] Compiling cranelift-codegen v0.93.2 [INFO] [stderr] Checking wasmtime-types v6.0.2 [INFO] [stderr] Checking cranelift-bforest v0.93.2 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Compiling version-compare v0.2.0 [INFO] [stderr] Compiling dircpy v0.3.16 [INFO] [stderr] Checking bumpalo v3.15.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking object v0.29.0 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling rustix v0.36.17 [INFO] [stderr] Compiling zeromq-src v0.2.6+4.3.4 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling backtrace v0.3.71 [INFO] [stderr] Compiling wasmtime-runtime v6.0.2 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Compiling cpp_demangle v0.3.5 [INFO] [stderr] Compiling curl v0.4.46 [INFO] [stderr] Checking linux-raw-sys v0.1.4 [INFO] [stderr] Checking miniz_oxide v0.7.2 [INFO] [stderr] Compiling toml v0.8.12 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking memfd v0.6.4 [INFO] [stderr] Compiling psm v0.1.21 [INFO] [stderr] Compiling system-deps v6.2.2 [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Checking socket2 v0.5.6 [INFO] [stderr] Checking wasmtime-jit-debug v6.0.2 [INFO] [stderr] Checking wasmtime-asm-macros v6.0.2 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Checking winnow v0.5.40 [INFO] [stderr] Compiling serde_json v1.0.115 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking parking_lot_core v0.9.9 [INFO] [stderr] Checking addr2line v0.17.0 [INFO] [stderr] Compiling zmq-sys v0.12.0 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Checking wasmtime-environ v6.0.2 [INFO] [stderr] Checking toml_edit v0.19.15 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking wasmtime-jit-icache-coherence v6.0.2 [INFO] [stderr] Checking unsafe-libyaml v0.2.11 [INFO] [stderr] Compiling zmq v0.10.0 [INFO] [stderr] Compiling wasmtime v6.0.2 [INFO] [stderr] Compiling shrinkwraprs v0.3.0 [INFO] [stderr] Checking serde_yaml v0.9.34+deprecated [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking wasmtime-jit v6.0.2 [INFO] [stderr] Checking simpath v2.3.0 [INFO] [stderr] Checking toml v0.7.8 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking dashmap v5.5.3 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Compiling serial_test_derive v1.0.0 [INFO] [stderr] Checking multimap v0.8.3 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking portpicker v0.1.1 [INFO] [stderr] Checking flowcore v0.95.0 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Checking serial_test v1.0.0 [INFO] [stderr] Checking cranelift-frontend v0.93.2 [INFO] [stderr] Checking cranelift-wasm v0.93.2 [INFO] [stderr] Checking cranelift-native v0.93.2 [INFO] [stderr] Checking wasmtime-cranelift v6.0.2 [INFO] [stderr] Checking flowrlib v0.95.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Value` [INFO] [stdout] --> src/run_state.rs:913:28 [INFO] [stdout] | [INFO] [stdout] 913 | use serde_json::{json, Value}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `flowcore::errors::Result` [INFO] [stdout] --> src/run_state.rs:916:9 [INFO] [stdout] | [INFO] [stdout] 916 | use flowcore::errors::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.25s [INFO] running `Command { std: "docker" "inspect" "32dd13de83d334da42d47b392aa3a113988e27720d39d2bff644ce538a7873bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32dd13de83d334da42d47b392aa3a113988e27720d39d2bff644ce538a7873bf", kill_on_drop: false }` [INFO] [stdout] 32dd13de83d334da42d47b392aa3a113988e27720d39d2bff644ce538a7873bf