[INFO] fetching crate rust_engineio 0.3.0-alpha.2...
[INFO] checking rust_engineio-0.3.0-alpha.2 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate rust_engineio 0.3.0-alpha.2 into /workspace/builds/worker-60/source
[INFO] validating manifest of crates.io crate rust_engineio 0.3.0-alpha.2 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 crates.io crate rust_engineio 0.3.0-alpha.2
[INFO] finished tweaking crates.io crate rust_engineio 0.3.0-alpha.2
[INFO] tweaked toml for crates.io crate rust_engineio 0.3.0-alpha.2 written to /workspace/builds/worker-60/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded websocket-base v0.26.2
[INFO] [stderr]   Downloaded camino v1.0.5
[INFO] [stderr]   Downloaded websocket v0.26.2
[INFO] [stderr]   Downloaded cargo_metadata v0.14.0
[INFO] [stderr]   Downloaded procfs v0.10.1
[INFO] [stderr]   Downloaded cargo-tarpaulin v0.18.2
[INFO] [stderr]   Downloaded coveralls-api v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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] ee4b26708c628c12882db4edca048e7a7a33030f52f784b2b7ffe3c72b3d94c0
[INFO] running `Command { std: "docker" "start" "-a" "ee4b26708c628c12882db4edca048e7a7a33030f52f784b2b7ffe3c72b3d94c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee4b26708c628c12882db4edca048e7a7a33030f52f784b2b7ffe3c72b3d94c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee4b26708c628c12882db4edca048e7a7a33030f52f784b2b7ffe3c72b3d94c0", kill_on_drop: false }`
[INFO] [stdout] ee4b26708c628c12882db4edca048e7a7a33030f52f784b2b7ffe3c72b3d94c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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] 781ee4d12c828690717da0dab05207a6c135c529f28cb1086455392dea74aeeb
[INFO] running `Command { std: "docker" "start" "-a" "781ee4d12c828690717da0dab05207a6c135c529f28cb1086455392dea74aeeb", 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] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling camino v1.0.5
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]    Compiling curl v0.4.39
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking half v1.8.0
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking http-body v0.4.3
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking gzip-header v0.3.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking quick-xml v0.22.0
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking quote v1.0.10
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.22.2
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]     Checking object v0.24.0
[INFO] [stderr]    Compiling openssl-sys v0.9.67
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]    Compiling curl-sys v0.4.49+curl-7.79.1
[INFO] [stderr]    Compiling libgit2-sys v0.12.24+1.3.0
[INFO] [stderr]     Checking procfs v0.10.1
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]    Compiling native-tls v0.2.8
[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-1.0.80/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=845988fd12adca8d -C extra-filename=-845988fd12adca8d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-9e3ffb35b5687fca.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-867dafdce618e8ec.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-11d097b41f2e60a4.rmeta --cap-lints allow --cap-lints=warn --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" "781ee4d12c828690717da0dab05207a6c135c529f28cb1086455392dea74aeeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "781ee4d12c828690717da0dab05207a6c135c529f28cb1086455392dea74aeeb", kill_on_drop: false }`
[INFO] [stdout] 781ee4d12c828690717da0dab05207a6c135c529f28cb1086455392dea74aeeb
