[INFO] cloning repository https://github.com/beaux-riel/mulist
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/beaux-riel/mulist" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeaux-riel%2Fmulist", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeaux-riel%2Fmulist'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 356b41d3eba3cf743c61c99b7ea2dde6fb79affc
[INFO] testing beaux-riel/mulist against 1.98.0-beta.1 for beta-1.98-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeaux-riel%2Fmulist" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/beaux-riel/mulist
[INFO] finished tweaking git repo https://github.com/beaux-riel/mulist
[INFO] tweaked toml for git repo https://github.com/beaux-riel/mulist written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/beaux-riel/mulist on toolchain 1.98.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/beaux-riel/mulist 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" "+1.98.0-beta.1" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 020c2ae3fbf1518fcc8c90ca181dbe16e2f252a76242bd03b049dc2fa70cdabe
[INFO] running `Command { std: "docker" "start" "020c2ae3fbf1518fcc8c90ca181dbe16e2f252a76242bd03b049dc2fa70cdabe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "020c2ae3fbf1518fcc8c90ca181dbe16e2f252a76242bd03b049dc2fa70cdabe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "020c2ae3fbf1518fcc8c90ca181dbe16e2f252a76242bd03b049dc2fa70cdabe" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "020c2ae3fbf1518fcc8c90ca181dbe16e2f252a76242bd03b049dc2fa70cdabe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "020c2ae3fbf1518fcc8c90ca181dbe16e2f252a76242bd03b049dc2fa70cdabe" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling xml-rs v0.8.21
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling libloading v0.8.5
[INFO] [stderr]    Compiling cc v1.1.15
[INFO] [stderr]    Compiling downcast-rs v1.2.1
[INFO] [stderr]    Compiling ab_glyph_rasterizer v0.1.8
[INFO] [stderr]    Compiling xcursor v0.3.8
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling ttf-parser v0.24.1
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling syn v2.0.76
[INFO] [stderr]    Compiling miniz_oxide v0.7.4
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling rusttype v0.9.3
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling dlib v0.5.2
[INFO] [stderr]    Compiling xdg v2.5.2
[INFO] [stderr]    Compiling miniz_oxide v0.8.0
[INFO] [stderr]    Compiling fdeflate v0.3.4
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]    Compiling wayland-scanner v0.28.6
[INFO] [stderr]    Compiling smithay-client-toolkit v0.16.1
[INFO] [stderr]    Compiling quick-xml v0.22.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-channel v0.5.13
[INFO] [stderr]    Compiling crossbeam-queue v0.3.11
[INFO] [stderr]    Compiling cmake v0.1.51
[INFO] [stderr]    Compiling servo-fontconfig-sys v5.1.0
[INFO] [stderr]    Compiling andrew v0.3.1
[INFO] [stderr]    Compiling flate2 v1.0.33
[INFO] [stderr]    Compiling crossfont v0.5.2
[INFO] [stderr]    Compiling emath v0.15.0
[INFO] [stderr]    Compiling arrayref v0.3.8
[INFO] [stderr]    Compiling foreign-types-shared v0.3.1
[INFO] [stderr]    Compiling xcb v0.10.1
[INFO] [stderr]    Compiling atomic_refcell v0.1.13
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.8
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.6
[INFO] [stderr]    Compiling tinyvec v1.8.0
[INFO] [stderr]    Compiling kurbo v0.8.3
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling gimli v0.29.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling png v0.17.13
[INFO] [stderr]    Compiling freetype-sys v0.13.1
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling backtrace v0.3.73
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]    Compiling glium v0.30.2
[INFO] [stderr]    Compiling nix v0.24.3
[INFO] [stderr]    Compiling wayland-client v0.28.6
[INFO] [stderr]    Compiling nix v0.25.1
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling memmap2 v0.5.10
[INFO] [stderr]    Compiling wayland-protocols v0.28.6
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling owned_ttf_parser v0.24.0
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling ab_glyph v0.2.28
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling memmap2 v0.1.0
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling raw-window-handle v0.3.4
[INFO] [stderr]    Compiling epaint v0.15.0
[INFO] [stderr]    Compiling servo-fontconfig v0.5.1
[INFO] [stderr]    Compiling freetype-rs v0.26.0
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling wayland-commons v0.29.5
[INFO] [stderr]    Compiling mio-misc v1.2.2
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.23
[INFO] [stderr]    Compiling object v0.36.3
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]    Compiling raw-window-handle v0.5.2
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling rustc-demangle v0.1.24
[INFO] [stderr]    Compiling egui v0.15.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.15
[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/1.98.0-beta.1-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.76/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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=1afe50affcd68cf3 -C extra-filename=-74698962a12d1df4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-2114f4526b70b808.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-8ab1165fffae41f7.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-772f13ecc3fc189a.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "020c2ae3fbf1518fcc8c90ca181dbe16e2f252a76242bd03b049dc2fa70cdabe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "020c2ae3fbf1518fcc8c90ca181dbe16e2f252a76242bd03b049dc2fa70cdabe", kill_on_drop: false }`
[INFO] [stdout] 020c2ae3fbf1518fcc8c90ca181dbe16e2f252a76242bd03b049dc2fa70cdabe
