[INFO] fetching crate marlu 0.6.1...
[INFO] testing marlu-0.6.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate marlu 0.6.1 into /workspace/builds/worker-56/source
[INFO] validating manifest of crates.io crate marlu 0.6.1 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate marlu 0.6.1
[INFO] finished tweaking crates.io crate marlu 0.6.1
[INFO] tweaked toml for crates.io crate marlu 0.6.1 written to /workspace/builds/worker-56/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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 cbindgen v0.21.0
[INFO] [stderr]   Downloaded cuda-config v0.1.0
[INFO] [stderr]   Downloaded hifitime v3.1.0
[INFO] [stderr]   Downloaded lexical v6.1.0
[INFO] [stderr]   Downloaded cuda-runtime-sys v0.3.0-alpha.1
[INFO] [stderr]   Downloaded rubbl_casatables v0.6.0
[INFO] [stderr]   Downloaded rubbl_core v0.3.0
[INFO] [stderr]   Downloaded fitsio-sys v0.4.0
[INFO] [stderr]   Downloaded rubbl_casatables_impl v0.3.31100
[INFO] [stderr]   Downloaded erfa-sys v0.1.2
[INFO] [stderr]   Downloaded fitsio v0.19.0
[INFO] [stderr]   Downloaded mwalib v0.13.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9859437d2beaa437d81c613761bff58d02f5374a5e1d9978b826c1c81892fcb
[INFO] running `Command { std: "docker" "start" "-a" "e9859437d2beaa437d81c613761bff58d02f5374a5e1d9978b826c1c81892fcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9859437d2beaa437d81c613761bff58d02f5374a5e1d9978b826c1c81892fcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9859437d2beaa437d81c613761bff58d02f5374a5e1d9978b826c1c81892fcb", kill_on_drop: false }`
[INFO] [stdout] e9859437d2beaa437d81c613761bff58d02f5374a5e1d9978b826c1c81892fcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 576159960fc492a804167da4554bbc9b452ca0589cfd26a3aefe089fb8d18f08
[INFO] running `Command { std: "docker" "start" "-a" "576159960fc492a804167da4554bbc9b452ca0589cfd26a3aefe089fb8d18f08", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling semver v1.0.7
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling cbindgen v0.21.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling once_cell v1.10.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling marlu v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling filetime v0.2.15
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling miniz_oxide v0.5.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.2
[INFO] [stderr]    Compiling console v0.15.0
[INFO] [stderr]    Compiling tar v0.4.38
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling fitsio-sys v0.4.0
[INFO] [stderr]    Compiling erfa-sys v0.1.2
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling flate2 v1.0.23
[INFO] [stderr]    Compiling clap v3.1.8
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling fitsio v0.19.0
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling rubbl_casatables_impl v0.3.31100
[INFO] [stderr]    Compiling rubbl_casatables v0.6.0
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling regex v1.5.5
[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-1.0.91/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"' -C metadata=25ced1518e8fc501 -C extra-filename=-25ced1518e8fc501 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-adfd7b1b4588a8fe.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-aa6c9ed6a3b65ac7.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-d8167d72773bee47.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" "576159960fc492a804167da4554bbc9b452ca0589cfd26a3aefe089fb8d18f08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "576159960fc492a804167da4554bbc9b452ca0589cfd26a3aefe089fb8d18f08", kill_on_drop: false }`
[INFO] [stdout] 576159960fc492a804167da4554bbc9b452ca0589cfd26a3aefe089fb8d18f08