[INFO] fetching crate cargo-sphinx 1.3.1...
[INFO] testing cargo-sphinx-1.3.1 against beta-2021-11-30 for beta-1.58-1
[INFO] extracting crate cargo-sphinx 1.3.1 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate cargo-sphinx 1.3.1 on toolchain beta-2021-11-30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-11-30" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-sphinx 1.3.1
[INFO] finished tweaking crates.io crate cargo-sphinx 1.3.1
[INFO] tweaked toml for crates.io crate cargo-sphinx 1.3.1 written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate crates.io crate cargo-sphinx 1.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-11-30" "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 ignore v0.4.11
[INFO] [stderr]   Downloaded hex v0.4.0
[INFO] [stderr]   Downloaded syn v1.0.13
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.0
[INFO] [stderr]   Downloaded bstr v0.2.9
[INFO] [stderr]   Downloaded backtrace v0.3.42
[INFO] [stderr]   Downloaded crates-io v0.29.0
[INFO] [stderr]   Downloaded jobserver v0.1.19
[INFO] [stderr]   Downloaded libssh2-sys v0.2.14
[INFO] [stderr]   Downloaded cargo v0.41.0
[INFO] [stderr]   Downloaded curl-sys v0.4.25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-11-30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e83a9083df06d4fd18554e34794df97df17b8897b58466cf92149469ebedd58
[INFO] running `Command { std: "docker" "start" "-a" "9e83a9083df06d4fd18554e34794df97df17b8897b58466cf92149469ebedd58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e83a9083df06d4fd18554e34794df97df17b8897b58466cf92149469ebedd58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e83a9083df06d4fd18554e34794df97df17b8897b58466cf92149469ebedd58", kill_on_drop: false }`
[INFO] [stdout] 9e83a9083df06d4fd18554e34794df97df17b8897b58466cf92149469ebedd58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-11-30" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fb587b691928c1d309a99ad31d1e557f8f4ed00f9b6edebef3b0185433bf91e
[INFO] running `Command { std: "docker" "start" "-a" "7fb587b691928c1d309a99ad31d1e557f8f4ed00f9b6edebef3b0185433bf91e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling regex-syntax v0.6.13
[INFO] [stderr]    Compiling curl v0.4.25
[INFO] [stderr]    Compiling openssl v0.10.26
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling rustc-workspace-hack v1.0.0
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling bytesize v1.0.0
[INFO] [stderr]    Compiling home v0.5.3
[INFO] [stderr]    Compiling hex v0.4.0
[INFO] [stderr]    Compiling shell-escape v0.1.4
[INFO] [stderr]    Compiling opener v0.4.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.11
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling jobserver v0.1.19
[INFO] [stderr]    Compiling socket2 v0.3.11
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling filetime v0.2.8
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling miniz_oxide v0.3.5
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling vte v0.3.3
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling tar v0.4.26
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling strip-ansi-escapes v0.1.0
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling openssl-sys v0.9.53
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling curl-sys v0.4.25
[INFO] [stderr]    Compiling libssh2-sys v0.2.14
[INFO] [stderr]    Compiling libgit2-sys v0.9.2
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling bstr v0.2.9
[INFO] [stderr]    Compiling sized-chunks v0.3.1
[INFO] [stderr]    Compiling flate2 v1.0.13
[INFO] [stderr]    Compiling regex v1.3.3
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling backtrace v0.3.42
[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-1.0.13/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=53ec816b7200f474 -C extra-filename=-53ec816b7200f474 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-b9bfa13d99042047.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-a08c2ac328618d49.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-7302ed5398444af1.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" "7fb587b691928c1d309a99ad31d1e557f8f4ed00f9b6edebef3b0185433bf91e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fb587b691928c1d309a99ad31d1e557f8f4ed00f9b6edebef3b0185433bf91e", kill_on_drop: false }`
[INFO] [stdout] 7fb587b691928c1d309a99ad31d1e557f8f4ed00f9b6edebef3b0185433bf91e