[INFO] fetching crate gfaas 0.3.0...
[INFO] checking gfaas-0.3.0 against beta for pr-78714
[INFO] extracting crate gfaas 0.3.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate gfaas 0.3.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gfaas 0.3.0
[INFO] finished tweaking crates.io crate gfaas 0.3.0
[INFO] tweaked toml for crates.io crate gfaas 0.3.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c367b42076ef17cff22c808c21cea77c68fbd527198e7d28e2a9e5c5d35a6078
[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" "c367b42076ef17cff22c808c21cea77c68fbd527198e7d28e2a9e5c5d35a6078", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c367b42076ef17cff22c808c21cea77c68fbd527198e7d28e2a9e5c5d35a6078", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c367b42076ef17cff22c808c21cea77c68fbd527198e7d28e2a9e5c5d35a6078", kill_on_drop: false }`
[INFO] [stdout] c367b42076ef17cff22c808c21cea77c68fbd527198e7d28e2a9e5c5d35a6078
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 083d878fa5181f2b50fb18f5f9fcb5868544948a70e051935541d8e296d9e45f
[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" "083d878fa5181f2b50fb18f5f9fcb5868544948a70e051935541d8e296d9e45f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.65.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]     Checking wasmparser v0.57.0
[INFO] [stderr]    Compiling leb128 v0.2.4
[INFO] [stderr]    Compiling wasmtime-environ v0.18.0
[INFO] [stderr]     Checking more-asserts v0.2.1
[INFO] [stderr]    Compiling multimap v0.4.0
[INFO] [stderr]    Compiling wasi-common v0.18.0
[INFO] [stderr]    Compiling podio v0.1.7
[INFO] [stderr]    Compiling wasmtime-wasi v0.18.0
[INFO] [stderr]    Compiling appdirs v0.2.0
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]    Compiling wast v22.0.0
[INFO] [stderr]     Checking semver v0.10.0
[INFO] [stderr]     Checking wast v27.0.0
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]     Checking regalloc v0.0.26
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling async-trait v0.1.41
[INFO] [stderr]    Compiling actix-macros v0.1.2
[INFO] [stderr]    Compiling scroll_derive v0.10.4
[INFO] [stderr]    Compiling actix_derive v0.5.0
[INFO] [stderr]    Compiling git-version-macro v0.3.4
[INFO] [stderr]    Compiling gfaas-macro v0.3.0
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking scroll v0.10.2
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]     Checking git-version v0.3.4
[INFO] [stderr]     Checking object v0.18.0
[INFO] [stderr]     Checking witx v0.8.7
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking wat v1.0.28
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling backtrace v0.3.54
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling flate2 v1.0.19
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr] error: could not compile `serde`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.117/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="serde_derive"' --cfg 'feature="std"' -C metadata=78dfc7612ade817b -C extra-filename=-78dfc7612ade817b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-608e48e98720b3bf.so --cap-lints allow --cap-lints=forbid --cfg ops_bound --cfg core_reverse --cfg de_boxed_c_str --cfg de_boxed_path --cfg de_rc_dst --cfg core_duration --cfg integer128 --cfg range_inclusive --cfg num_nonzero --cfg core_try_from --cfg num_nonzero_signed --cfg std_atomic64 --cfg std_atomic` (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" "083d878fa5181f2b50fb18f5f9fcb5868544948a70e051935541d8e296d9e45f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "083d878fa5181f2b50fb18f5f9fcb5868544948a70e051935541d8e296d9e45f", kill_on_drop: false }`
[INFO] [stdout] 083d878fa5181f2b50fb18f5f9fcb5868544948a70e051935541d8e296d9e45f