[INFO] fetching crate lucetc 0.6.1...
[INFO] checking lucetc-0.6.1 against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] extracting crate lucetc 0.6.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate lucetc 0.6.1 on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lucetc 0.6.1
[INFO] finished tweaking crates.io crate lucetc 0.6.1
[INFO] tweaked toml for crates.io crate lucetc 0.6.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate lucetc 0.6.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde-big-array v0.2.0
[INFO] [stderr]   Downloaded packed_struct v0.3.0
[INFO] [stderr]   Downloaded packed_struct_codegen v0.3.0
[INFO] [stderr]   Downloaded lucet-validate v0.6.1
[INFO] [stderr]   Downloaded lucet-module v0.6.1
[INFO] [stderr]   Downloaded witx v0.6.0
[INFO] [stderr]   Downloaded minisign v0.5.14
[INFO] [stderr]   Downloaded wasmparser v0.39.3
[INFO] [stderr]   Downloaded target-lexicon v0.9.0
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.51.0
[INFO] [stderr]   Downloaded human-size v0.4.0
[INFO] [stderr]   Downloaded faerie v0.12.0
[INFO] [stderr]   Downloaded bimap v0.2.0
[INFO] [stderr]   Downloaded cranelift-bforest v0.51.0
[INFO] [stderr]   Downloaded cranelift-faerie v0.51.0
[INFO] [stderr]   Downloaded cranelift-frontend v0.51.0
[INFO] [stderr]   Downloaded xfailure v0.1.0
[INFO] [stderr]   Downloaded cranelift-module v0.51.0
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.51.0
[INFO] [stderr]   Downloaded cranelift-codegen v0.51.0
[INFO] [stderr]   Downloaded cranelift-entity v0.51.0
[INFO] [stderr]   Downloaded cranelift-wasm v0.51.0
[INFO] [stderr]   Downloaded wasmonkey v0.1.9
[INFO] [stderr]   Downloaded cranelift-native v0.51.0
[INFO] [stderr]   Downloaded wast v3.0.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff9bd49b207aed6ca3af2810a78727d4bcf0b9ede97d2f4985513b534bbb81d4
[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" "ff9bd49b207aed6ca3af2810a78727d4bcf0b9ede97d2f4985513b534bbb81d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff9bd49b207aed6ca3af2810a78727d4bcf0b9ede97d2f4985513b534bbb81d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff9bd49b207aed6ca3af2810a78727d4bcf0b9ede97d2f4985513b534bbb81d4", kill_on_drop: false }`
[INFO] [stdout] ff9bd49b207aed6ca3af2810a78727d4bcf0b9ede97d2f4985513b534bbb81d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--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] 41391e16eaad0ff841ef4deee935b65d4e94cd1c99ee71fb4a94197396643c09
[INFO] running `Command { std: "docker" "start" "-a" "41391e16eaad0ff841ef4deee935b65d4e94cd1c99ee71fb4a94197396643c09", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling packed_struct v0.3.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cranelift-entity v0.51.0
[INFO] [stderr]    Compiling target-lexicon v0.9.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling memchr v2.3.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling serde-big-array v0.2.0
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking wasmparser v0.39.3
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking parity-wasm v0.40.3
[INFO] [stderr]     Checking xfailure v0.1.0
[INFO] [stderr]     Checking siphasher v0.3.1
[INFO] [stderr]    Compiling lucetc v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking human-size v0.4.0
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]     Checking bimap v0.2.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking cranelift-bforest v0.51.0
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]     Checking wast v3.0.4
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking aho-corasick v0.7.8
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling scroll v0.9.2
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]     Checking rpassword v4.0.5
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling wabt-sys v0.7.0
[INFO] [stderr]    Compiling raw-cpuid v7.0.3
[INFO] [stderr]    Compiling raw-cpuid v6.1.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking sha2 v0.8.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking scrypt v0.2.0
[INFO] [stderr]     Checking minisign v0.5.14
[INFO] [stderr]     Checking backtrace v0.3.44
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[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-1.0.14/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=8d80bf7b777c9a1a -C extra-filename=-8d80bf7b777c9a1a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-630221391d58503d.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-caa38de572d15a7b.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-e196087a89e1a4e5.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" "41391e16eaad0ff841ef4deee935b65d4e94cd1c99ee71fb4a94197396643c09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41391e16eaad0ff841ef4deee935b65d4e94cd1c99ee71fb4a94197396643c09", kill_on_drop: false }`
[INFO] [stdout] 41391e16eaad0ff841ef4deee935b65d4e94cd1c99ee71fb4a94197396643c09