[INFO] cloning repository https://github.com/Dragan1810/Hello-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Dragan1810/Hello-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDragan1810%2FHello-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDragan1810%2FHello-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a8f5553e663a46b89fcb67f41d6ca431785c71af
[INFO] testing Dragan1810/Hello-Rust against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDragan1810%2FHello-Rust" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Dragan1810/Hello-Rust on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Dragan1810/Hello-Rust
[INFO] finished tweaking git repo https://github.com/Dragan1810/Hello-Rust
[INFO] tweaked toml for git repo https://github.com/Dragan1810/Hello-Rust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Dragan1810/Hello-Rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5b542a5d0e3206e495e6d58f792286178251591fec8c5201786dabc903eddc4
[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" "c5b542a5d0e3206e495e6d58f792286178251591fec8c5201786dabc903eddc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5b542a5d0e3206e495e6d58f792286178251591fec8c5201786dabc903eddc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5b542a5d0e3206e495e6d58f792286178251591fec8c5201786dabc903eddc4", kill_on_drop: false }`
[INFO] [stdout] c5b542a5d0e3206e495e6d58f792286178251591fec8c5201786dabc903eddc4
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d9ac091b267f540b983f176034ef36f0e7374ce58c09f6b051b97a2a57723829
[INFO] running `Command { std: "docker" "start" "-a" "d9ac091b267f540b983f176034ef36f0e7374ce58c09f6b051b97a2a57723829", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling rustc-demangle v0.1.14
[INFO] [stderr]    Compiling smallvec v1.0.0
[INFO] [stderr]    Compiling copyless v0.1.4
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling pq-sys v0.4.6
[INFO] [stderr]    Compiling string v0.1.3
[INFO] [stderr]    Compiling os_info v1.2.0
[INFO] [stderr]    Compiling v_htmlescape v0.4.5
[INFO] [stderr]    Compiling md5 v0.6.1
[INFO] [stderr]    Compiling hashbrown v0.3.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling ring v0.16.9
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.8
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling futures-channel v0.3.1
[INFO] [stderr]    Compiling tokio-sync v0.1.5
[INFO] [stderr]    Compiling actix-service v0.4.2
[INFO] [stderr]    Compiling lock_api v0.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling unicase v2.4.0
[INFO] [stderr]    Compiling bytestring v0.1.2
[INFO] [stderr]    Compiling miniz_oxide v0.3.5
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling socket2 v0.3.11
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling parking_lot_core v0.7.0
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling err-derive v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling resolv-conf v0.6.2
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling tokio-executor v0.1.9
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling parking_lot v0.10.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling flate2 v1.0.13
[INFO] [stderr]    Compiling names v0.10.0
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling stringprep v0.1.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling tokio-timer v0.2.10
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling http v0.1.17
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling sha-1 v0.8.1
[INFO] [stderr]    Compiling md-5 v0.8.0
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling mime v0.3.13
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]    Compiling url v2.1.0
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling pbkdf2 v0.3.0
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio v0.2.4
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling tokio-threadpool v0.1.17
[INFO] [stderr]    Compiling actix-codec v0.1.2
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling actix-utils v0.4.7
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling r2d2 v0.8.4
[INFO] [stderr]    Compiling h2 v0.1.18
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling webpki v0.21.0
[INFO] [stderr]    Compiling sct v0.6.0
[INFO] [stderr]    Compiling actix-server-config v0.1.2
[INFO] [stderr]    Compiling webpki-roots v0.18.0
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling rustls v0.16.0
[INFO] [stderr]    Compiling brotli2 v0.3.2
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling tokio-util v0.2.0
[INFO] [stderr]    Compiling actix-codec v0.2.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling pin-project-internal v0.4.6
[INFO] [stderr]    Compiling derive_more v0.99.2
[INFO] [stderr]    Compiling actix-macros v0.1.1
[INFO] [stderr]    Compiling enum-as-inner v0.3.0
[INFO] [stderr]    Compiling async-trait v0.1.21
[INFO] [stderr]    Compiling v_escape_derive v0.5.6
[INFO] [stderr]    Compiling actix-web-codegen v0.2.0
[INFO] [stderr]    Compiling synstructure v0.10.1
[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-0.15.34/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --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"' -C metadata=5d9876e86afacf08 -C extra-filename=-5d9876e86afacf08 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-fe4d16006c72ae36.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-05bd5a2353c5a68c.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-be8312600acc46f1.rmeta --cap-lints allow --cap-lints=warn --cfg syn_can_use_thread_id --cfg syn_can_use_associated_constants --cfg syn_can_call_macro_by_path --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 `Command { std: "docker" "inspect" "d9ac091b267f540b983f176034ef36f0e7374ce58c09f6b051b97a2a57723829", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9ac091b267f540b983f176034ef36f0e7374ce58c09f6b051b97a2a57723829", kill_on_drop: false }`
[INFO] [stdout] d9ac091b267f540b983f176034ef36f0e7374ce58c09f6b051b97a2a57723829
