[INFO] cloning repository https://github.com/mgraves/floem-v-list-hang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mgraves/floem-v-list-hang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgraves%2Ffloem-v-list-hang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgraves%2Ffloem-v-list-hang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 098906ba9c959c8deae1be4b96210a54c9939aa9
[INFO] checking mgraves/floem-v-list-hang against try#fc545c6b951a304df08b327c158f92678582f435 for pr-140557-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgraves%2Ffloem-v-list-hang" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mgraves/floem-v-list-hang on toolchain fc545c6b951a304df08b327c158f92678582f435
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fc545c6b951a304df08b327c158f92678582f435" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mgraves/floem-v-list-hang
[INFO] finished tweaking git repo https://github.com/mgraves/floem-v-list-hang
[INFO] tweaked toml for git repo https://github.com/mgraves/floem-v-list-hang written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mgraves/floem-v-list-hang 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" "+fc545c6b951a304df08b327c158f92678582f435" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+fc545c6b951a304df08b327c158f92678582f435" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8b334bec22f119d6e96363390c7bbd37b53dd5cf1ec2bd8703397fb2e0413b8
[INFO] running `Command { std: "docker" "start" "-a" "c8b334bec22f119d6e96363390c7bbd37b53dd5cf1ec2bd8703397fb2e0413b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8b334bec22f119d6e96363390c7bbd37b53dd5cf1ec2bd8703397fb2e0413b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8b334bec22f119d6e96363390c7bbd37b53dd5cf1ec2bd8703397fb2e0413b8", kill_on_drop: false }`
[INFO] [stdout] c8b334bec22f119d6e96363390c7bbd37b53dd5cf1ec2bd8703397fb2e0413b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+fc545c6b951a304df08b327c158f92678582f435" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6c13055dd51d138ee8d6f16f82dd5031784b9eab84514d375804949279f18c3
[INFO] running `Command { std: "docker" "start" "-a" "a6c13055dd51d138ee8d6f16f82dd5031784b9eab84514d375804949279f18c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.75
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking value-bag v1.4.3
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.18
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking libloading v0.8.1
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling pkg-config v0.3.28
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]    Compiling rustix v0.38.28
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]     Checking linux-raw-sys v0.4.12
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]     Checking unicode-bidi v0.3.14
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]    Compiling quick-xml v0.30.0
[INFO] [stderr]     Checking strict-num v0.1.1
[INFO] [stderr]    Compiling ahash v0.8.7
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking xmlparser v0.13.6
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling wayland-sys v0.31.1
[INFO] [stderr]     Checking concurrent-queue v2.4.0
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking event-listener v4.0.2
[INFO] [stderr]     Checking roxmltree v0.18.1
[INFO] [stderr]    Compiling unicode-general-category v0.6.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking event-listener-strategy v0.4.0
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking crossbeam-epoch v0.9.17
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking fontconfig-parser v0.5.3
[INFO] [stderr]    Compiling syn v2.0.47
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling wayland-scanner v0.31.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking siphasher v0.3.11
[INFO] [stderr]     Checking unicode-ccc v0.1.2
[INFO] [stderr]     Checking ttf-parser v0.19.2
[INFO] [stderr]     Checking unicode-script v0.5.5
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.4
[INFO] [stderr]     Checking unicode-bidi-mirroring v0.1.0
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking memmap2 v0.9.3
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]     Checking ttf-parser v0.20.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking async-lock v3.2.0
[INFO] [stderr]     Checking futures-lite v2.1.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking allocator-api2 v0.2.16
[INFO] [stderr]     Checking raw-window-handle v0.5.2
[INFO] [stderr]    Compiling winnow v0.5.32
[INFO] [stderr]     Checking ttf-parser v0.18.1
[INFO] [stderr]    Compiling wayland-backend v0.3.2
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]    Compiling toml_datetime v0.6.3
[INFO] [stderr]    Compiling indexmap v2.1.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking rctree v0.5.0
[INFO] [stderr]     Checking as-raw-xcb-connection v1.0.1
[INFO] [stderr]     Checking async-task v4.7.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking piper v0.2.1
[INFO] [stderr]     Checking flume v0.11.0
[INFO] [stderr]     Checking memmap2 v0.6.2
[INFO] [stderr]     Checking async-channel v2.1.1
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking fdeflate v0.3.3
[INFO] [stderr]     Checking simplecss v0.2.1
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling khronos-egl v6.0.0
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking termcolor v1.4.0
[INFO] [stderr]     Checking waker-fn v1.1.1
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]    Compiling ash v0.37.3+1.3.251
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking png v0.17.10
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking fontdb v0.14.1
[INFO] [stderr]     Checking wayland-client v0.31.1
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]     Checking spirv v0.2.0+1.5.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.10
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]     Checking gpu-alloc-types v0.3.0
[INFO] [stderr]     Checking gpu-descriptor-types v0.1.2
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking zeno v0.2.3
[INFO] [stderr]     Checking cursor-icon v1.1.0
[INFO] [stderr]     Checking hexf-parse v0.2.1
[INFO] [stderr]    Compiling x11rb v0.12.0
[INFO] [stderr]     Checking xxhash-rust v0.8.8
[INFO] [stderr]     Checking data-url v0.2.0
[INFO] [stderr]     Checking xcursor v0.3.5
[INFO] [stderr]     Checking unicode-vo v0.1.0
[INFO] [stderr]     Checking yazi v0.1.6
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling drm-sys v0.5.0
[INFO] [stderr]     Checking aliasable v0.1.3
[INFO] [stderr]     Checking unicode-xid v0.2.4
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking imagesize v0.12.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.18.0
[INFO] [stderr]     Checking wg v0.4.2
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]     Checking xkeysym v0.2.0
[INFO] [stderr]     Checking seahash v4.1.0
[INFO] [stderr]     Checking gif v0.12.0
[INFO] [stderr]     Checking swash v0.1.8
[INFO] [stderr]     Checking wayland-csd-frame v0.3.0
[INFO] [stderr]     Checking gpu-alloc v0.6.0
[INFO] [stderr]     Checking gpu-descriptor v0.2.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking wayland-protocols v0.31.0
[INFO] [stderr]    Compiling zvariant_utils v1.0.1
[INFO] [stderr]     Checking wayland-cursor v0.31.0
[INFO] [stderr]     Checking jpeg-decoder v0.3.0
[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/fc545c6b951a304df08b327c158f92678582f435/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/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 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="quote"' --cfg 'feature="visit"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=d661580a6cbed08a -C extra-filename=-5635258f8c2b2a81 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-100e95bc6575e2df.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-a0ca57e797109cc8.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-f2de522ba645d884.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" "a6c13055dd51d138ee8d6f16f82dd5031784b9eab84514d375804949279f18c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6c13055dd51d138ee8d6f16f82dd5031784b9eab84514d375804949279f18c3", kill_on_drop: false }`
[INFO] [stdout] a6c13055dd51d138ee8d6f16f82dd5031784b9eab84514d375804949279f18c3