[INFO] fetching crate medifax 0.1.0...
[INFO] checking medifax-0.1.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate medifax 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate medifax 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 medifax 0.1.0
[INFO] finished tweaking crates.io crate medifax 0.1.0
[INFO] tweaked toml for crates.io crate medifax 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate medifax 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-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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2594bbe72c816cfeeacf0aef17bbf46c319b6ee11c9cfcd0beac698f9f690c36
[INFO] running `Command { std: "docker" "start" "-a" "2594bbe72c816cfeeacf0aef17bbf46c319b6ee11c9cfcd0beac698f9f690c36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2594bbe72c816cfeeacf0aef17bbf46c319b6ee11c9cfcd0beac698f9f690c36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2594bbe72c816cfeeacf0aef17bbf46c319b6ee11c9cfcd0beac698f9f690c36", kill_on_drop: false }`
[INFO] [stdout] 2594bbe72c816cfeeacf0aef17bbf46c319b6ee11c9cfcd0beac698f9f690c36
[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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 728aad5fc7fff0150ebd66f27f85b0a7fc902729faef9339237c3768a2e07f59
[INFO] running `Command { std: "docker" "start" "-a" "728aad5fc7fff0150ebd66f27f85b0a7fc902729faef9339237c3768a2e07f59", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling smallvec v1.13.1
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling winnow v0.6.3
[INFO] [stderr]    Compiling target-lexicon v0.12.14
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling anyhow v1.0.80
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling cc v1.0.88
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling indexmap v2.2.4
[INFO] [stderr]    Compiling cfg-expr v0.15.7
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling cfg-expr v0.9.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling version-compare v0.0.11
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling gio v0.15.12
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling phf_codegen v0.10.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.2
[INFO] [stderr]    Compiling selectors v0.22.0
[INFO] [stderr]    Compiling futf v0.1.5
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]    Compiling dtoa v1.0.9
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]    Compiling dtoa-short v0.3.4
[INFO] [stderr]    Compiling tendril v0.4.3
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling phf v0.10.1
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.4
[INFO] [stderr]    Compiling matches v0.1.10
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling alloc-stdlib v0.2.2
[INFO] [stderr]    Compiling servo_arc v0.1.1
[INFO] [stderr]     Checking http v0.2.11
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling field-offset v0.3.6
[INFO] [stderr]    Compiling uuid v1.7.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling thin-slice v0.1.1
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling darling_core v0.20.8
[INFO] [stderr]    Compiling unicode-bidi v0.3.15
[INFO] [stderr]    Compiling unicode-normalization v0.1.23
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling cfb v0.7.3
[INFO] [stderr]    Compiling brotli-decompressor v2.5.1
[INFO] [stderr]    Compiling gtk v0.15.5
[INFO] [stderr]    Compiling markup5ever v0.11.0
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling walkdir v2.4.0
[INFO] [stderr]    Compiling infer v0.13.0
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]    Compiling brotli v3.4.0
[INFO] [stderr]    Compiling x11 v2.21.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling dunce v1.0.4
[INFO] [stderr]    Compiling miniz_oxide v0.7.2
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling openssl-sys v0.9.101
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling fdeflate v0.3.4
[INFO] [stderr]    Compiling tao v0.16.7
[INFO] [stderr]     Checking futures-sink v0.3.30
[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=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-1.0.109/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C opt-level=3 -C embed-bitcode=no -C debug-assertions=on --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="quote"' --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=80014fe0585fca06 -C extra-filename=-80014fe0585fca06 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-feb51cd65e01c545.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-7e0c4bfe66224dd6.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-2805e175b6cfb3c1.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" "728aad5fc7fff0150ebd66f27f85b0a7fc902729faef9339237c3768a2e07f59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "728aad5fc7fff0150ebd66f27f85b0a7fc902729faef9339237c3768a2e07f59", kill_on_drop: false }`
[INFO] [stdout] 728aad5fc7fff0150ebd66f27f85b0a7fc902729faef9339237c3768a2e07f59