[INFO] fetching crate source-demo-tool-crawler 0.8.2...
[INFO] testing source-demo-tool-crawler-0.8.2 against beta-2023-04-20 for beta-1.70-1
[INFO] extracting crate source-demo-tool-crawler 0.8.2 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate source-demo-tool-crawler 0.8.2 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate source-demo-tool-crawler 0.8.2
[INFO] finished tweaking crates.io crate source-demo-tool-crawler 0.8.2
[INFO] tweaked toml for crates.io crate source-demo-tool-crawler 0.8.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate source-demo-tool-crawler 0.8.2 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" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zvariant v3.10.0
[INFO] [stderr]   Downloaded async-broadcast v0.5.0
[INFO] [stderr]   Downloaded ab_glyph v0.2.19
[INFO] [stderr]   Downloaded eframe v0.21.0
[INFO] [stderr]   Downloaded async-trait v0.1.64
[INFO] [stderr]   Downloaded owned_ttf_parser v0.18.0
[INFO] [stderr]   Downloaded android-activity v0.4.0
[INFO] [stderr]   Downloaded async-recursion v1.0.2
[INFO] [stderr]   Downloaded ordered-stream v0.1.4
[INFO] [stderr]   Downloaded zbus_macros v3.9.0
[INFO] [stderr]   Downloaded zbus v3.9.0
[INFO] [stderr]   Downloaded rfd v0.11.0
[INFO] [stderr]   Downloaded zvariant_derive v3.10.0
[INFO] [stderr]   Downloaded webbrowser v0.8.4
[INFO] [stderr]   Downloaded egui-winit v0.21.0
[INFO] [stderr]   Downloaded glow v0.12.0
[INFO] [stderr]   Downloaded source-demo-tool-impl-proc-macros v0.4.1
[INFO] [stderr]   Downloaded source-demo-tool v0.9.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7455ef2b72863489d3aa2df5a6bca9830ddf77ab1dee9ee6878b31e7dfbb3089
[INFO] running `Command { std: "docker" "start" "-a" "7455ef2b72863489d3aa2df5a6bca9830ddf77ab1dee9ee6878b31e7dfbb3089", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7455ef2b72863489d3aa2df5a6bca9830ddf77ab1dee9ee6878b31e7dfbb3089", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7455ef2b72863489d3aa2df5a6bca9830ddf77ab1dee9ee6878b31e7dfbb3089", kill_on_drop: false }`
[INFO] [stdout] 7455ef2b72863489d3aa2df5a6bca9830ddf77ab1dee9ee6878b31e7dfbb3089
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a94ff388eb4e086d22f45affa86b111bba83d53cd5eb5089f6729a4496573cf4
[INFO] running `Command { std: "docker" "start" "-a" "a94ff388eb4e086d22f45affa86b111bba83d53cd5eb5089f6729a4496573cf4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling once_cell v1.17.0
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling cfg-expr v0.11.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.6
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling dlib v0.5.0
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling polling v2.5.2
[INFO] [stderr]    Compiling futures-io v0.3.26
[INFO] [stderr]    Compiling fastrand v1.8.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling ttf-parser v0.18.1
[INFO] [stderr]    Compiling concurrent-queue v2.1.0
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]    Compiling async-io v1.12.0
[INFO] [stderr]    Compiling scoped-tls v1.0.1
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling futures-task v0.3.26
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]    Compiling ab_glyph_rasterizer v0.1.8
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling async-lock v2.6.0
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling nix v0.24.3
[INFO] [stderr]    Compiling nix v0.25.1
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling async-trait v0.1.64
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling x11-dl v2.20.1
[INFO] [stderr]    Compiling smithay-client-toolkit v0.16.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling futures-sink v0.3.26
[INFO] [stderr]    Compiling async-task v4.3.0
[INFO] [stderr]    Compiling cpufeatures v0.2.5
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.3
[INFO] [stderr]    Compiling flate2 v1.0.25
[INFO] [stderr]    Compiling owned_ttf_parser v0.18.0
[INFO] [stderr]    Compiling digest v0.10.6
[INFO] [stderr]    Compiling async-executor v1.5.0
[INFO] [stderr]    Compiling ab_glyph v0.2.19
[INFO] [stderr]    Compiling xcursor v0.3.4
[INFO] [stderr]    Compiling sha1 v0.10.5
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling regex v1.7.1
[INFO] [stderr]    Compiling socket2 v0.4.7
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling memmap2 v0.5.8
[INFO] [stderr]    Compiling ordered-stream v0.1.4
[INFO] [stderr]    Compiling ahash v0.8.2
[INFO] [stderr]    Compiling cty v0.2.2
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling accesskit v0.9.0
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]    Compiling strict-num v0.1.0
[INFO] [stderr]    Compiling raw-window-handle v0.5.0
[INFO] [stderr]    Compiling dirs v4.0.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling async-broadcast v0.5.0
[INFO] [stderr]    Compiling png v0.17.7
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling wayland-commons v0.29.5
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling winit v0.28.1
[INFO] [stderr]    Compiling nohash-hasher v0.2.0
[INFO] [stderr]    Compiling glutin_glx_sys v0.3.0
[INFO] [stderr]    Compiling glutin_egl_sys v0.3.1
[INFO] [stderr]    Compiling mio v0.8.5
[INFO] [stderr]    Compiling async-channel v1.8.0
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-1.0.107/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"' --cfg 'feature="visit-mut"' -C metadata=c949dba5e09b7067 -C extra-filename=-c949dba5e09b7067 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d5f73f07351964e1.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-5cac9938f7b2db0c.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-deafb72e59d27e2b.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a94ff388eb4e086d22f45affa86b111bba83d53cd5eb5089f6729a4496573cf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a94ff388eb4e086d22f45affa86b111bba83d53cd5eb5089f6729a4496573cf4", kill_on_drop: false }`
[INFO] [stdout] a94ff388eb4e086d22f45affa86b111bba83d53cd5eb5089f6729a4496573cf4
