[INFO] fetching crate khost 0.1.0...
[INFO] checking khost-0.1.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate khost 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate khost 0.1.0 on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate khost 0.1.0
[INFO] finished tweaking crates.io crate khost 0.1.0
[INFO] tweaked toml for crates.io crate khost 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate khost 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7105fcfbe7d7af9e557b23fd404c6ea8818d138601129367a9f830ae22e7fa39
[INFO] running `Command { std: "docker" "start" "-a" "7105fcfbe7d7af9e557b23fd404c6ea8818d138601129367a9f830ae22e7fa39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7105fcfbe7d7af9e557b23fd404c6ea8818d138601129367a9f830ae22e7fa39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7105fcfbe7d7af9e557b23fd404c6ea8818d138601129367a9f830ae22e7fa39", kill_on_drop: false }`
[INFO] [stdout] 7105fcfbe7d7af9e557b23fd404c6ea8818d138601129367a9f830ae22e7fa39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39f5f83039ebaff81bfd492eacfa5eb08d2118fe4e1f2be92922071c64eddaec
[INFO] running `Command { std: "docker" "start" "-a" "39f5f83039ebaff81bfd492eacfa5eb08d2118fe4e1f2be92922071c64eddaec", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]     Checking bytes v1.6.1
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.93
[INFO] [stderr]    Compiling syn v2.0.68
[INFO] [stderr]    Compiling bumpalo v3.16.0
[INFO] [stderr]    Compiling thiserror v1.0.61
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]     Checking fastrand v2.1.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling camino v1.1.7
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling serde_json v1.0.120
[INFO] [stderr]    Compiling wasm-bindgen v0.2.93
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]     Checking futures-lite v2.3.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling toml_datetime v0.6.6
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling vergen v8.3.2
[INFO] [stderr]    Compiling dunce v1.0.4
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]    Compiling num_threads v0.1.7
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]     Checking http-body v1.0.0
[INFO] [stderr]    Compiling borsh v1.5.1
[INFO] [stderr]     Checking piper v0.2.3
[INFO] [stderr]    Compiling jobserver v0.1.31
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking tinyvec v1.6.1
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking blocking v1.6.1
[INFO] [stderr]     Checking async-executor v1.13.0
[INFO] [stderr]    Compiling cc v1.0.104
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]    Compiling cpufeatures v0.2.12
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking rustls-pki-types v1.7.0
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]    Compiling time v0.3.36
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]    Compiling rlimit v0.10.1
[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]    Compiling aws-lc-rs v1.8.0
[INFO] [stderr]     Checking downcast v0.11.0
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]    Compiling nix v0.28.0
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking io-lifetimes v1.0.11
[INFO] [stderr]    Compiling toml_edit v0.21.1
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rustix v0.37.27
[INFO] [stderr]     Checking polling v2.8.0
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking hexplay v0.3.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]    Compiling openssl-sys v0.9.102
[INFO] [stderr]    Compiling aws-lc-sys v0.19.0
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking dirs v5.0.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking triggered v0.1.2
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]     Checking bs58 v0.5.1
[INFO] [stderr]     Checking rustls-pemfile v2.1.2
[INFO] [stderr]     Checking anstyle-parse v0.2.4
[INFO] [stderr]     Checking universal-hash v0.5.1
[INFO] [stderr]     Checking url v2.5.2
[INFO] [stderr]    Compiling native-tls v0.2.12
[INFO] [stderr]     Checking anstyle-query v1.1.0
[INFO] [stderr]     Checking sync_wrapper v1.0.1
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.0
[INFO] [stderr]     Checking colorchoice v1.0.1
[INFO] [stderr]     Checking mirai-annotations v1.12.0
[INFO] [stderr]     Checking ipnet v2.9.0
[INFO] [stderr]     Checking smawk v0.3.2
[INFO] [stderr]     Checking opaque-debug v0.3.1
[INFO] [stderr]     Checking anstyle v1.0.7
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]     Checking unicode-linebreak v0.1.5
[INFO] [stderr]     Checking poly1305 v0.8.0
[INFO] [stderr]     Checking password-hash v0.5.0
[INFO] [stderr]     Checking anstream v0.6.14
[INFO] [stderr]     Checking textwrap v0.16.1
[INFO] [stderr]     Checking indicatif v0.17.8
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]     Checking aead v0.5.2
[INFO] [stderr]     Checking psl-types v2.0.11
[INFO] [stderr]    Compiling rustls v0.23.11
[INFO] [stderr]     Checking winnow v0.6.13
[INFO] [stderr]     Checking clap_lex v0.7.1
[INFO] [stderr]     Checking clap_builder v4.5.8
[INFO] [stderr]     Checking psl v2.1.50
[INFO] [stderr]     Checking os_pipe v1.2.0
[INFO] [stderr]     Checking argon2 v0.5.3
[INFO] [stderr]     Checking shared_child v1.0.0
[INFO] [stderr]     Checking users v0.11.0
[INFO] [stderr]     Checking separator v0.4.1
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking duct v0.13.7
[INFO] [stderr]     Checking is-root v0.1.3
[INFO] [stderr]    Compiling proc-macro-crate v3.1.0
[INFO] [stderr]     Checking termion v4.0.2
[INFO] [stderr]     Checking sysinfo v0.30.12
[INFO] [stderr]     Checking pad v0.1.6
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/4d98531622e1718ae0bc3c7a1ab9cd8938428452/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-2.0.68/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=6fdd99f48b552ad7 -C extra-filename=-6fdd99f48b552ad7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-999306cb2722a44d.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-588522ccb60d1420.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-7b828347d8713ecd.rmeta --cap-lints allow --cap-lints=forbid -Dtail_expr_drop_order` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "39f5f83039ebaff81bfd492eacfa5eb08d2118fe4e1f2be92922071c64eddaec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39f5f83039ebaff81bfd492eacfa5eb08d2118fe4e1f2be92922071c64eddaec", kill_on_drop: false }`
[INFO] [stdout] 39f5f83039ebaff81bfd492eacfa5eb08d2118fe4e1f2be92922071c64eddaec