[INFO] updating cached repository https://github.com/nicohman/raven
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 83604bc1810c1b514569add70fdcd36f398b4125
[INFO] testing nicohman/raven against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicohman%2Fraven" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nicohman/raven on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nicohman/raven
[INFO] finished tweaking git repo https://github.com/nicohman/raven
[INFO] tweaked toml for git repo https://github.com/nicohman/raven written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/nicohman/raven already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de6e95620560ea08af9f2dc52dec96372db833ba008a96e61865b9354ee4bb78
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "de6e95620560ea08af9f2dc52dec96372db833ba008a96e61865b9354ee4bb78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de6e95620560ea08af9f2dc52dec96372db833ba008a96e61865b9354ee4bb78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de6e95620560ea08af9f2dc52dec96372db833ba008a96e61865b9354ee4bb78", kill_on_drop: false }`
[INFO] [stdout] de6e95620560ea08af9f2dc52dec96372db833ba008a96e61865b9354ee4bb78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11a3b80c5733e389523c9b2416798d8be8b0c9bc4f0ee1dc6874fa244d3935bd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "11a3b80c5733e389523c9b2416798d8be8b0c9bc4f0ee1dc6874fa244d3935bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling cc v1.0.31
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling openssl v0.10.19
[INFO] [stderr]    Compiling rustc-demangle v0.1.13
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling dtoa v0.4.3
[INFO] [stderr]    Compiling ascii v0.8.7
[INFO] [stderr]    Compiling chunked_transfer v0.3.1
[INFO] [stderr]    Compiling termcolor v0.3.6
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]    Compiling tokio-trace-core v0.1.0
[INFO] [stderr]    Compiling unicase v2.3.0
[INFO] [stderr]    Compiling regex-syntax v0.6.5
[INFO] [stderr]    Compiling tokio-sync v0.1.4
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling encoding_rs v0.8.17
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling twoway v0.1.8
[INFO] [stderr]    Compiling buf_redux v0.8.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling tokio-executor v0.1.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling libflate v0.1.21
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling tokio-current-thread v0.1.5
[INFO] [stderr]    Compiling tokio-timer v0.2.10
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling mime v0.3.13
[INFO] [stderr]    Compiling openssl-sys v0.9.42
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling termios v0.3.1
[INFO] [stderr]    Compiling filetime v0.2.4
[INFO] [stderr]    Compiling clicolors-control v1.0.0
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling tar v0.4.22
[INFO] [stderr]    Compiling hyper v0.10.15
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling http v0.1.16
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling uuid v0.6.5
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling tempfile v2.2.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.12
[INFO] [stderr]    Compiling uuid v0.7.2
[INFO] [stderr]    Compiling tiny_http v0.6.2
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling mime_guess v1.8.6
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling tokio v0.1.17
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling console v0.7.5
[INFO] [stderr]    Compiling os_type v2.2.0
[INFO] [stderr] error: could not compile `syn`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.15.29/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --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="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=36f0ee3063ea6a79 -C extra-filename=-36f0ee3063ea6a79 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-b4a15936fbdc0479.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-43ad612815001154.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-de12218e15042935.rmeta --cap-lints allow --cap-lints=warn --cfg syn_can_use_thread_id --cfg syn_can_call_macro_by_path` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "11a3b80c5733e389523c9b2416798d8be8b0c9bc4f0ee1dc6874fa244d3935bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11a3b80c5733e389523c9b2416798d8be8b0c9bc4f0ee1dc6874fa244d3935bd", kill_on_drop: false }`
[INFO] [stdout] 11a3b80c5733e389523c9b2416798d8be8b0c9bc4f0ee1dc6874fa244d3935bd