[INFO] fetching crate leo-lang 1.5.3...
[INFO] checking leo-lang-1.5.3 against master#ab37a83ae2c829b8597bdcda8244964ebc60b495 for pr-99943
[INFO] extracting crate leo-lang 1.5.3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate leo-lang 1.5.3 on toolchain ab37a83ae2c829b8597bdcda8244964ebc60b495
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ab37a83ae2c829b8597bdcda8244964ebc60b495" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate leo-lang 1.5.3
[INFO] finished tweaking crates.io crate leo-lang 1.5.3
[INFO] tweaked toml for crates.io crate leo-lang 1.5.3 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate leo-lang 1.5.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ab37a83ae2c829b8597bdcda8244964ebc60b495" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded predicates-tree v1.0.2
[INFO] [stderr]   Downloaded assert_cmd v1.0.7
[INFO] [stderr]   Downloaded leo-asg-passes v1.5.3
[INFO] [stderr]   Downloaded snarkvm-curves v0.7.5
[INFO] [stderr]   Downloaded pest-ast v0.3.3
[INFO] [stderr]   Downloaded leo-input v1.5.3
[INFO] [stderr]   Downloaded curl v0.4.38
[INFO] [stderr]   Downloaded snarkvm-utilities v0.7.5
[INFO] [stderr]   Downloaded test_dir v0.1.0
[INFO] [stderr]   Downloaded from-pest v0.3.1
[INFO] [stderr]   Downloaded leo-parser v1.5.3
[INFO] [stderr]   Downloaded backtrace v0.3.60
[INFO] [stderr]   Downloaded object v0.25.3
[INFO] [stderr]   Downloaded leo-asg v1.5.3
[INFO] [stderr]   Downloaded leo-synthesizer v1.5.3
[INFO] [stderr]   Downloaded quick-xml v0.20.0
[INFO] [stderr]   Downloaded snarkvm-profiler v0.7.5
[INFO] [stderr]   Downloaded predicates v2.0.0
[INFO] [stderr]   Downloaded single v1.0.0
[INFO] [stderr]   Downloaded leo-compiler v1.5.3
[INFO] [stderr]   Downloaded leo-imports v1.5.3
[INFO] [stderr]   Downloaded leo-package v1.5.3
[INFO] [stderr]   Downloaded snarkvm-polycommit v0.7.5
[INFO] [stderr]   Downloaded leo-state v1.5.3
[INFO] [stderr]   Downloaded snarkvm-fields v0.7.5
[INFO] [stderr]   Downloaded snarkvm-gadgets v0.7.5
[INFO] [stderr]   Downloaded snarkvm-marlin v0.7.5
[INFO] [stderr]   Downloaded self_update v0.27.0
[INFO] [stderr]   Downloaded leo-ast v1.5.3
[INFO] [stderr]   Downloaded curl-sys v0.4.44+curl-7.77.0
[INFO] [stderr]   Downloaded snarkvm-parameters v0.7.5
[INFO] [stderr]   Downloaded snarkvm-r1cs v0.7.5
[INFO] [stderr]   Downloaded snarkvm-dpc v0.7.5
[INFO] [stderr]   Downloaded snarkvm-algorithms v0.7.5
[INFO] [stderr]   Downloaded snarkvm-derives v0.7.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+ab37a83ae2c829b8597bdcda8244964ebc60b495" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd9f686f33cfa94283be3f199f07a0fd3305444a184d5e3a4558173866299a9f
[INFO] running `Command { std: "docker" "start" "-a" "fd9f686f33cfa94283be3f199f07a0fd3305444a184d5e3a4558173866299a9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd9f686f33cfa94283be3f199f07a0fd3305444a184d5e3a4558173866299a9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd9f686f33cfa94283be3f199f07a0fd3305444a184d5e3a4558173866299a9f", kill_on_drop: false }`
[INFO] [stdout] fd9f686f33cfa94283be3f199f07a0fd3305444a184d5e3a4558173866299a9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "RUSTDOCFLAGS=--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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+ab37a83ae2c829b8597bdcda8244964ebc60b495" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08d4edbe9c85f1ec2ee35b6a0f47e2b688e3ee927678a13d019d457dea0fd19d
[INFO] running `Command { std: "docker" "start" "-a" "08d4edbe9c85f1ec2ee35b6a0f47e2b688e3ee927678a13d019d457dea0fd19d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling gimli v0.24.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]    Compiling object v0.25.3
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.20
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking cpufeatures v0.1.5
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]    Compiling addr2line v0.15.2
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking bitvec v0.19.5
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]     Checking blake2 v0.9.1
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]    Compiling tokio v1.8.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking snarkvm-profiler v0.7.5
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking from-pest v0.3.1
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]    Compiling curl-sys v0.4.44+curl-7.77.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking tendril v0.4.2
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.73/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=038163ca69f00893 -C extra-filename=-038163ca69f00893 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-c22f143857bd0eb1.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-b999afa71eb18cfa.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-3c8a88541efd8c80.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "08d4edbe9c85f1ec2ee35b6a0f47e2b688e3ee927678a13d019d457dea0fd19d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08d4edbe9c85f1ec2ee35b6a0f47e2b688e3ee927678a13d019d457dea0fd19d", kill_on_drop: false }`
[INFO] [stdout] 08d4edbe9c85f1ec2ee35b6a0f47e2b688e3ee927678a13d019d457dea0fd19d