[INFO] fetching crate streaming-json-completer 0.2.0-dev... [INFO] checking streaming-json-completer-0.2.0-dev against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] extracting crate streaming-json-completer 0.2.0-dev into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate streaming-json-completer 0.2.0-dev on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate streaming-json-completer 0.2.0-dev [INFO] finished tweaking crates.io crate streaming-json-completer 0.2.0-dev [INFO] tweaked toml for crates.io crate streaming-json-completer 0.2.0-dev written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 88 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.16) [INFO] [stderr] Adding criterion v0.3.6 (latest: v0.5.1) [INFO] [stderr] Adding criterion-plot v0.4.5 (latest: v0.5.0) [INFO] [stderr] Adding half v1.8.3 (latest: v2.4.1) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.4.0) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.13.0) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded arbitrary-json v0.1.1 [INFO] [stderr] Downloaded libfuzzer-sys v0.4.7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a44667df95c676f1e9e9b5207dc433e3b76d7ba56b0ac858866c9043dd385965 [INFO] running `Command { std: "docker" "start" "-a" "a44667df95c676f1e9e9b5207dc433e3b76d7ba56b0ac858866c9043dd385965", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a44667df95c676f1e9e9b5207dc433e3b76d7ba56b0ac858866c9043dd385965", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a44667df95c676f1e9e9b5207dc433e3b76d7ba56b0ac858866c9043dd385965", kill_on_drop: false }` [INFO] [stdout] a44667df95c676f1e9e9b5207dc433e3b76d7ba56b0ac858866c9043dd385965 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 85f8ca2e76d8cb46289fea58a0473c6cb667e8d8ac850e61eaabf06f10635535 [INFO] running `Command { std: "docker" "start" "-a" "85f8ca2e76d8cb46289fea58a0473c6cb667e8d8ac850e61eaabf06f10635535", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Compiling serde v1.0.209 [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking unicode-width v0.1.13 [INFO] [stderr] Checking plotters-backend v0.3.6 [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking half v1.8.3 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking arbitrary v1.3.2 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking oorandom v11.1.4 [INFO] [stderr] Checking bytes v1.7.1 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking plotters-svg v0.3.6 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking combine v4.6.7 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling jobserver v0.1.32 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Compiling cc v1.1.15 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking plotters v0.3.6 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking criterion-plot v0.4.5 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling libfuzzer-sys v0.4.7 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking serde_json v1.0.127 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] error: could not compile `combine` (lib) [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1f12b9b0fdbe735968ac002792a720f0ba4faca6/bin/rustc --crate-name combine --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/combine-4.6.7/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="alloc"' --cfg 'feature="bytes"' --cfg 'feature="default"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values("alloc", "bytes", "bytes_05", "default", "futures-03", "futures-core-03", "futures-io-03", "mp4", "pin-project", "pin-project-lite", "regex", "std", "tokio", "tokio-02", "tokio-02-dep", "tokio-03", "tokio-03-dep", "tokio-dep", "tokio-util"))' -C metadata=ecd59527a912c16c -C extra-filename=-ecd59527a912c16c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-88a901ae17f9b8c6.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-defd6ccfd6da75a5.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "85f8ca2e76d8cb46289fea58a0473c6cb667e8d8ac850e61eaabf06f10635535", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "85f8ca2e76d8cb46289fea58a0473c6cb667e8d8ac850e61eaabf06f10635535", kill_on_drop: false }` [INFO] [stdout] 85f8ca2e76d8cb46289fea58a0473c6cb667e8d8ac850e61eaabf06f10635535 [INFO] checking streaming-json-completer-0.2.0-dev against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu [INFO] extracting crate streaming-json-completer 0.2.0-dev into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate streaming-json-completer 0.2.0-dev on toolchain f9935d29d867449445ee008640ccca1bf1ae0889 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate streaming-json-completer 0.2.0-dev [INFO] finished tweaking crates.io crate streaming-json-completer 0.2.0-dev [INFO] tweaked toml for crates.io crate streaming-json-completer 0.2.0-dev 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 88 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.16) [INFO] [stderr] Adding criterion v0.3.6 (latest: v0.5.1) [INFO] [stderr] Adding criterion-plot v0.4.5 (latest: v0.5.0) [INFO] [stderr] Adding half v1.8.3 (latest: v2.4.1) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.4.0) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.13.0) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1c5ef498e65c7408fde7609f0ce1aeb075bd2406e0d03c1dba9a4b916c99d679 [INFO] running `Command { std: "docker" "start" "-a" "1c5ef498e65c7408fde7609f0ce1aeb075bd2406e0d03c1dba9a4b916c99d679", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1c5ef498e65c7408fde7609f0ce1aeb075bd2406e0d03c1dba9a4b916c99d679", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c5ef498e65c7408fde7609f0ce1aeb075bd2406e0d03c1dba9a4b916c99d679", kill_on_drop: false }` [INFO] [stdout] 1c5ef498e65c7408fde7609f0ce1aeb075bd2406e0d03c1dba9a4b916c99d679 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c5b4c77983ca0c478dff0bab63e27699a249dd0f5ae1999a2a6c9b9bba8140ba [INFO] running `Command { std: "docker" "start" "-a" "c5b4c77983ca0c478dff0bab63e27699a249dd0f5ae1999a2a6c9b9bba8140ba", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.209 [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Checking unicode-width v0.1.13 [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Checking plotters-backend v0.3.6 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Checking half v1.8.3 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking bytes v1.7.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking oorandom v11.1.4 [INFO] [stderr] Checking arbitrary v1.3.2 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking plotters-svg v0.3.6 [INFO] [stderr] Checking combine v4.6.7 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Compiling jobserver v0.1.32 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking plotters v0.3.6 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Compiling cc v1.1.15 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking criterion-plot v0.4.5 [INFO] [stderr] Compiling libfuzzer-sys v0.4.7 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking serde_json v1.0.127 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking arbitrary-json v0.1.1 [INFO] [stderr] Checking criterion v0.3.6 [INFO] [stderr] Checking streaming-json-completer v0.2.0-dev (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> tests/static_test.rs:33:13 [INFO] [stdout] | [INFO] [stdout] 33 | dbg!(complete_json(input)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `dbg` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.91s [INFO] running `Command { std: "docker" "inspect" "c5b4c77983ca0c478dff0bab63e27699a249dd0f5ae1999a2a6c9b9bba8140ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c5b4c77983ca0c478dff0bab63e27699a249dd0f5ae1999a2a6c9b9bba8140ba", kill_on_drop: false }` [INFO] [stdout] c5b4c77983ca0c478dff0bab63e27699a249dd0f5ae1999a2a6c9b9bba8140ba