[INFO] fetching crate wasmer-runtime-fl 0.17.0...
[INFO] checking wasmer-runtime-fl-0.17.0 against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015
[INFO] extracting crate wasmer-runtime-fl 0.17.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate wasmer-runtime-fl 0.17.0 on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasmer-runtime-fl 0.17.0
[INFO] finished tweaking crates.io crate wasmer-runtime-fl 0.17.0
[INFO] tweaked toml for crates.io crate wasmer-runtime-fl 0.17.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate wasmer-runtime-fl 0.17.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wabt v0.9.1
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.66
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.66
[INFO] [stderr]   Downloaded inkwell_internals v0.1.0
[INFO] [stderr]   Downloaded llvm-sys v80.2.0
[INFO] [stderr]   Downloaded wasmer-llvm-backend-fl v0.17.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.66
[INFO] [stderr]   Downloaded web-sys v0.3.43
[INFO] [stderr]   Downloaded js-sys v0.3.43
[INFO] [stderr]   Downloaded inkwell v0.1.0-llvm8sample
[INFO] [stderr]   Downloaded wabt-sys v0.6.1
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.66
[INFO] [stderr]   Downloaded wasmer-singlepass-backend-fl v0.17.0
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ea9c3c1b7f117b9a40f63b3f73d602ab371f4b702ed5e685c7312dd1938e00e
[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" "1ea9c3c1b7f117b9a40f63b3f73d602ab371f4b702ed5e685c7312dd1938e00e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ea9c3c1b7f117b9a40f63b3f73d602ab371f4b702ed5e685c7312dd1938e00e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ea9c3c1b7f117b9a40f63b3f73d602ab371f4b702ed5e685c7312dd1938e00e", kill_on_drop: false }`
[INFO] [stdout] 1ea9c3c1b7f117b9a40f63b3f73d602ab371f4b702ed5e685c7312dd1938e00e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e862fa3b39e480df9c802711a460492c58122e9ac3b32c0557a414276eee8818
[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" "e862fa3b39e480df9c802711a460492c58122e9ac3b32c0557a414276eee8818", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking subtle v2.2.3
[INFO] [stderr]    Compiling generic-array v0.14.3
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling indexmap v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]    Compiling blake3 v0.3.5
[INFO] [stderr]    Compiling raw-cpuid v7.0.3
[INFO] [stderr]    Compiling wabt-sys v0.6.1
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking errno v0.2.6
[INFO] [stderr]     Checking nix v0.15.0
[INFO] [stderr]     Checking page_size v0.4.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking rayon-core v1.7.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling wasmer-runtime-core-fl v0.17.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rayon v1.3.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.36/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=1060dd28ccb9008d -C extra-filename=-1060dd28ccb9008d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-091210945e98acc4.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-a7a073445149a473.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-b13daac5d45350a3.rmeta --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" "e862fa3b39e480df9c802711a460492c58122e9ac3b32c0557a414276eee8818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e862fa3b39e480df9c802711a460492c58122e9ac3b32c0557a414276eee8818", kill_on_drop: false }`
[INFO] [stdout] e862fa3b39e480df9c802711a460492c58122e9ac3b32c0557a414276eee8818