[INFO] fetching crate wascc-host 0.14.0...
[INFO] checking wascc-host-0.14.0 against beta for pr-78714
[INFO] extracting crate wascc-host 0.14.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate wascc-host 0.14.0 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 wascc-host 0.14.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate wascc-host 0.14.0
[INFO] tweaked toml for crates.io crate wascc-host 0.14.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate wascc-host 0.14.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2df1469bddedad2551425b324f830c83e2037a7f6aaecdc796bce62a616c061d
[INFO] running `Command { std: "docker" "start" "-a" "2df1469bddedad2551425b324f830c83e2037a7f6aaecdc796bce62a616c061d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2df1469bddedad2551425b324f830c83e2037a7f6aaecdc796bce62a616c061d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2df1469bddedad2551425b324f830c83e2037a7f6aaecdc796bce62a616c061d", kill_on_drop: false }`
[INFO] [stdout] 2df1469bddedad2551425b324f830c83e2037a7f6aaecdc796bce62a616c061d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] d72d210956790353a364d7e85d495959490bea49b6ef9824d81864f946f192f4
[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" "d72d210956790353a364d7e85d495959490bea49b6ef9824d81864f946f192f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.66.0
[INFO] [stderr]     Checking futures-sink v0.3.6
[INFO] [stderr]    Compiling leb128 v0.2.4
[INFO] [stderr]     Checking wasmparser v0.59.0
[INFO] [stderr]    Compiling wasmtime-environ v0.19.0
[INFO] [stderr]     Checking wasmparser v0.57.0
[INFO] [stderr]     Checking object v0.19.0
[INFO] [stderr]    Compiling wasi-common v0.19.1
[INFO] [stderr]    Compiling wasmtime-wasi v0.19.1
[INFO] [stderr]     Checking libloading v0.6.4
[INFO] [stderr]     Checking wast v22.0.0
[INFO] [stderr]     Checking wast v26.0.1
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking errno v0.2.6
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking socket2 v0.3.15
[INFO] [stderr]     Checking filetime v0.2.12
[INFO] [stderr]     Checking futures-lite v1.11.2
[INFO] [stderr]     Checking region v2.2.0
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking futures-channel v0.3.6
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rmp v0.8.9
[INFO] [stderr]     Checking backtrace v0.3.53
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking sha2 v0.9.1
[INFO] [stderr]     Checking rayon-core v1.8.1
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rayon v1.4.1
[INFO] [stderr]     Checking nuid v0.2.1
[INFO] [stderr]     Checking async-executor v1.3.0
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking chrono-humanize v0.1.1
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]     Checking wat v1.0.27
[INFO] [stderr]    Compiling zstd-sys v1.4.17+zstd.1.4.5
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling wasmtime-runtime v0.19.0
[INFO] [stderr]    Compiling raw-cpuid v7.0.3
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki-roots v0.20.0
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling futures-macro v0.3.6
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling scroll_derive v0.10.3
[INFO] [stderr]    Compiling extend v0.1.2
[INFO] [stderr]    Compiling async-trait v0.1.41
[INFO] [stderr] error: could not compile `tracing-attributes`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name tracing_attributes --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tracing-attributes-0.1.11/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 -C metadata=460d2329dbbc0fdd -C extra-filename=-460d2329dbbc0fdd --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-db256853d8ab4a1e.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-ade5fbeeb7bccbe4.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-4b1d5a98f3da03b7.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid` (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" "d72d210956790353a364d7e85d495959490bea49b6ef9824d81864f946f192f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d72d210956790353a364d7e85d495959490bea49b6ef9824d81864f946f192f4", kill_on_drop: false }`
[INFO] [stdout] d72d210956790353a364d7e85d495959490bea49b6ef9824d81864f946f192f4