[INFO] fetching crate lib3h 0.0.42...
[INFO] testing lib3h-0.0.42 against 1.47.0 for beta-1.48-1
[INFO] extracting crate lib3h 0.0.42 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate lib3h 0.0.42 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 crates.io crate lib3h 0.0.42
[INFO] finished tweaking crates.io crate lib3h 0.0.42
[INFO] tweaked toml for crates.io crate lib3h 0.0.42 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate lib3h 0.0.42 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 19b3ab3ffe7ec57dd79c7dd7125a4d75e1d3522577a350a0f5141ba0c5e61435
[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" "19b3ab3ffe7ec57dd79c7dd7125a4d75e1d3522577a350a0f5141ba0c5e61435", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19b3ab3ffe7ec57dd79c7dd7125a4d75e1d3522577a350a0f5141ba0c5e61435", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19b3ab3ffe7ec57dd79c7dd7125a4d75e1d3522577a350a0f5141ba0c5e61435", kill_on_drop: false }`
[INFO] [stdout] 19b3ab3ffe7ec57dd79c7dd7125a4d75e1d3522577a350a0f5141ba0c5e61435
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stdout] ec6b3b4a143f20e1f30b938f529848ce34013d65db35017abc349b16277aa5e5
[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" "ec6b3b4a143f20e1f30b938f529848ce34013d65db35017abc349b16277aa5e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling arrayref v0.3.5
[INFO] [stderr]    Compiling syn v0.15.31
[INFO] [stderr]    Compiling regex-syntax v0.6.16
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling protobuf v2.10.2
[INFO] [stderr]    Compiling futures-io-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling podio v0.1.6
[INFO] [stderr]    Compiling unwrap v1.2.1
[INFO] [stderr]    Compiling reed-solomon v0.2.1
[INFO] [stderr]    Compiling holochain_json_api v0.0.23
[INFO] [stderr]    Compiling sha1 v0.5.0
[INFO] [stderr]    Compiling holochain_persistence_api v0.0.18
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling integer-encoding v1.1.4
[INFO] [stderr]    Compiling objekt v0.1.2
[INFO] [stderr]    Compiling zeroize v0.10.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling bzip2-sys v0.1.8+1.0.8
[INFO] [stderr]    Compiling backtrace-sys v0.1.34
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]    Compiling miniz_oxide v0.3.6
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling hcid v0.0.6
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling tiny-keccak v1.5.0
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling capnp v0.10.0
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling filetime v0.2.8
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling flate2 v1.0.13
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling generic-array v0.9.0
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling msdos_time v0.1.6
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling rmp v0.8.9
[INFO] [stderr]    Compiling float-cmp v0.4.0
[INFO] [stderr]    Compiling tar v0.4.26
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling openssl v0.10.28
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling backtrace v0.3.27
[INFO] [stderr]    Compiling nanoid v0.2.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling thrift v0.13.0
[INFO] [stderr]    Compiling uuid v0.7.1
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]    Compiling zip v0.3.3
[INFO] [stderr]    Compiling input_buffer v0.2.0
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling futures-executor-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[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-0.15.31/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="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=aa88a5210c311c7d -C extra-filename=-aa88a5210c311c7d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-97ca7e870c384a1c.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-77090a477c8997d7.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_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" "ec6b3b4a143f20e1f30b938f529848ce34013d65db35017abc349b16277aa5e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec6b3b4a143f20e1f30b938f529848ce34013d65db35017abc349b16277aa5e5", kill_on_drop: false }`
[INFO] [stdout] ec6b3b4a143f20e1f30b938f529848ce34013d65db35017abc349b16277aa5e5
