[INFO] fetching crate casper-execution-engine 5.0.0...
[INFO] testing casper-execution-engine-5.0.0 against try#d724b5ab2f4ac098ff483349a80b6a3799a5177b for pr-113843
[INFO] extracting crate casper-execution-engine 5.0.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate casper-execution-engine 5.0.0 on toolchain d724b5ab2f4ac098ff483349a80b6a3799a5177b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d724b5ab2f4ac098ff483349a80b6a3799a5177b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate casper-execution-engine 5.0.0
[INFO] finished tweaking crates.io crate casper-execution-engine 5.0.0
[INFO] tweaked toml for crates.io crate casper-execution-engine 5.0.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d724b5ab2f4ac098ff483349a80b6a3799a5177b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d724b5ab2f4ac098ff483349a80b6a3799a5177b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+d724b5ab2f4ac098ff483349a80b6a3799a5177b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 962a4751d9634f2e7e360cbcf571dd6e3f0a34ed6e328c2277a31e0aab3a2767
[INFO] running `Command { std: "docker" "start" "-a" "962a4751d9634f2e7e360cbcf571dd6e3f0a34ed6e328c2277a31e0aab3a2767", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "962a4751d9634f2e7e360cbcf571dd6e3f0a34ed6e328c2277a31e0aab3a2767", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "962a4751d9634f2e7e360cbcf571dd6e3f0a34ed6e328c2277a31e0aab3a2767", kill_on_drop: false }`
[INFO] [stdout] 962a4751d9634f2e7e360cbcf571dd6e3f0a34ed6e328c2277a31e0aab3a2767
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+d724b5ab2f4ac098ff483349a80b6a3799a5177b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3643bf5685831066b4954e9d5595a585ae6394eaeab1bb3b1cb590965922d1c3
[INFO] running `Command { std: "docker" "start" "-a" "3643bf5685831066b4954e9d5595a585ae6394eaeab1bb3b1cb590965922d1c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling serde v1.0.171
[INFO] [stderr]    Compiling libm v0.2.7
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling radium v0.3.0
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling syn v2.0.26
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling rustix v0.37.23
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling tempfile v3.6.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling bitvec v0.18.5
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling regex-syntax v0.7.4
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling hashbrown v0.14.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.103
[INFO] [stderr]    Compiling cpufeatures v0.2.9
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling crypto-mac v0.10.1
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling signature v1.2.2
[INFO] [stderr]    Compiling hmac v0.10.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling thiserror v1.0.43
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling schemars v0.8.5
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling lmdb-rkv-sys v0.11.2
[INFO] [stderr]    Compiling indexmap v2.0.0
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling ed25519 v1.2.0
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling unarray v0.1.4
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling num-complex v0.4.3
[INFO] [stderr]    Compiling dyn-clone v1.0.12
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling parity-wasm v0.42.2
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling regex-automata v0.3.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling rand_pcg v0.3.1
[INFO] [stderr]    Compiling derp v0.0.14
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling blake2 v0.9.2
[INFO] [stderr]    Compiling value-bag v1.4.1
[INFO] [stderr]    Compiling ff v0.8.0
[INFO] [stderr]    Compiling hex_fmt v0.3.0
[INFO] [stderr]    Compiling group v0.8.0
[INFO] [stderr]    Compiling anyhow v1.0.72
[INFO] [stderr]    Compiling base16 v0.2.1
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling memory_units v0.3.0
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling wasmi-validation v0.4.1
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling wasmi v0.9.1
[INFO] [stderr]    Compiling lmdb-rkv v0.14.0
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling serde_derive_internals v0.25.0
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/d724b5ab2f4ac098ff483349a80b6a3799a5177b/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-1.0.109/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 --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"' -C metadata=7747524d8fc57ca7 -C extra-filename=-7747524d8fc57ca7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-c308a930a0e3b3ae.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-f0d3d8608fbacc11.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-27c541bdd3194d90.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" "3643bf5685831066b4954e9d5595a585ae6394eaeab1bb3b1cb590965922d1c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3643bf5685831066b4954e9d5595a585ae6394eaeab1bb3b1cb590965922d1c3", kill_on_drop: false }`
[INFO] [stdout] 3643bf5685831066b4954e9d5595a585ae6394eaeab1bb3b1cb590965922d1c3