[INFO] cloning repository https://github.com/boybird/actixdemo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/boybird/actixdemo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboybird%2Factixdemo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboybird%2Factixdemo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fbd3307fa51300d1e544c42cb83f179633a9fff0
[INFO] checking boybird/actixdemo against beta-2021-10-15 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboybird%2Factixdemo" "/workspace/builds/worker-44/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-44/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/boybird/actixdemo on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/boybird/actixdemo
[INFO] finished tweaking git repo https://github.com/boybird/actixdemo
[INFO] tweaked toml for git repo https://github.com/boybird/actixdemo written to /workspace/builds/worker-44/source/Cargo.toml
[INFO] crate git repo https://github.com/boybird/actixdemo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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 json v0.11.14
[INFO] [stderr]   Downloaded bcrypt v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8bff71d5164c307d47ef699605c1b45b84390565c7e2ac40f550968de91218f
[INFO] running `Command { std: "docker" "start" "-a" "e8bff71d5164c307d47ef699605c1b45b84390565c7e2ac40f550968de91218f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8bff71d5164c307d47ef699605c1b45b84390565c7e2ac40f550968de91218f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8bff71d5164c307d47ef699605c1b45b84390565c7e2ac40f550968de91218f", kill_on_drop: false }`
[INFO] [stdout] e8bff71d5164c307d47ef699605c1b45b84390565c7e2ac40f550968de91218f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0308ca18a7f856dce87257a8bbc0f4b695de3c2c3010e7454931a82c75a38c5b
[INFO] running `Command { std: "docker" "start" "-a" "0308ca18a7f856dce87257a8bbc0f4b695de3c2c3010e7454931a82c75a38c5b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]     Checking spin v0.5.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]     Checking futures v0.1.28
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking rustc-demangle v0.1.15
[INFO] [stderr]     Checking utf8-ranges v1.0.3
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling encoding_rs v0.8.17
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]     Checking arc-swap v0.3.11
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]     Checking hashbrown v0.5.0
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking copyless v0.1.4
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking opaque-debug v0.2.2
[INFO] [stderr]     Checking hashbrown v0.3.1
[INFO] [stderr]     Checking json v0.11.14
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling unicase v2.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.8
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking lock_api v0.2.0
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]     Checking aho-corasick v0.7.4
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.15.39/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="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=2419cfd87b32d3bd -C extra-filename=-2419cfd87b32d3bd --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-18f941bc31ab392e.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-8b5ff6b36ede5b66.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-09e70e8bcc039b17.rmeta --cap-lints allow --cap-lints=warn --cfg syn_can_match_trailing_dollar --cfg syn_can_use_thread_id --cfg syn_can_use_associated_constants --cfg syn_can_call_macro_by_path --cfg syn_disable_nightly_tests` (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" "0308ca18a7f856dce87257a8bbc0f4b695de3c2c3010e7454931a82c75a38c5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0308ca18a7f856dce87257a8bbc0f4b695de3c2c3010e7454931a82c75a38c5b", kill_on_drop: false }`
[INFO] [stdout] 0308ca18a7f856dce87257a8bbc0f4b695de3c2c3010e7454931a82c75a38c5b