[INFO] updating cached repository https://github.com/lenscas/card_game_client
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/lenscas/card_game_client
[INFO] [stderr]  * [new branch]      dependabot/cargo/async-trait-0.1.33 -> dependabot/cargo/async-trait-0.1.33
[INFO] [stderr]  * [new branch]      dependabot/cargo/quicksilver-0.4.0-alpha0.5 -> dependabot/cargo/quicksilver-0.4.0-alpha0.5
[INFO] [stderr]  * [new branch]      dependabot/cargo/serde-1.0.111 -> dependabot/cargo/serde-1.0.111
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 13048e4bdbe65cef5086f0fd9936dd6e392ef234
[INFO] testing lenscas/card_game_client against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flenscas%2Fcard_game_client" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lenscas/card_game_client on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/lenscas/card_game_client
[INFO] finished tweaking git repo https://github.com/lenscas/card_game_client
[INFO] tweaked toml for git repo https://github.com/lenscas/card_game_client written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/lenscas/card_game_client already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stdout] 6e28f602bda3cb82766df01e96e931e8129b54fb3cb71d53f04691e46238c6b2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "6e28f602bda3cb82766df01e96e931e8129b54fb3cb71d53f04691e46238c6b2"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling syn v1.0.24
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling lalrpop-util v0.16.3
[INFO] [stderr]    Compiling RustyXML v0.1.1
[INFO] [stderr]    Compiling curl v0.4.29
[INFO] [stderr]    Compiling isahc v0.9.3
[INFO] [stderr]    Compiling instant v0.1.4
[INFO] [stderr]    Compiling isahc v0.8.2
[INFO] [stderr]    Compiling array-macro v1.0.5
[INFO] [stderr]    Compiling ahash v0.3.5
[INFO] [stderr]    Compiling mint v0.5.5
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.3
[INFO] [stderr]    Compiling curl-sys v0.4.31+curl-7.70.0
[INFO] [stderr]    Compiling utf-8 v0.6.0
[INFO] [stderr]    Compiling ascii-canvas v1.0.0
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling debug_unreachable v0.1.1
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling omnom v2.1.2
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling tendril v0.2.4
[INFO] [stderr]    Compiling stdweb v0.4.20
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]    Compiling byte-pool v0.2.1
[INFO] [stderr]    Compiling rusttype v0.8.3
[INFO] [stderr]    Compiling wayland-sys v0.23.6
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling image v0.22.5
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling ena v0.11.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.6
[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling elefont v0.1.3
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.6
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.4
[INFO] [stderr]    Compiling glow v0.4.0
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling openssl-sys v0.9.57
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling cookie v0.12.0
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling string_cache_codegen v0.3.1
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling simple_logger v1.6.0
[INFO] [stderr]    Compiling html5ever v0.13.1
[INFO] [stderr]    Compiling string_cache v0.4.0
[INFO] [stderr]    Compiling html5ever-atoms v0.2.2
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr] error: could not compile `syn`.
[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/github.com-1ecc6299db9ec823/syn-1.0.24/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -Cembed-bitcode=no -C debuginfo=2 --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"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=7e65371d561c6369 -C extra-filename=-7e65371d561c6369 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-cbc1308eb38c87f5.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-15ff083c0168023d.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-ea1ed2e1e1c986b4.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] [stderr] error: build failed
[INFO] running `"docker" "inspect" "6e28f602bda3cb82766df01e96e931e8129b54fb3cb71d53f04691e46238c6b2"`
[INFO] running `"docker" "rm" "-f" "6e28f602bda3cb82766df01e96e931e8129b54fb3cb71d53f04691e46238c6b2"`
[INFO] [stdout] 6e28f602bda3cb82766df01e96e931e8129b54fb3cb71d53f04691e46238c6b2