[INFO] cloning repository https://github.com/rubytogether/kirby
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rubytogether/kirby" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frubytogether%2Fkirby", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frubytogether%2Fkirby'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d23f593e3c28a2342e20ae6e444de7e8ebb2ae3
[INFO] testing rubytogether/kirby against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frubytogether%2Fkirby" "/workspace/builds/worker-19/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  56% (21/37)
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Updating files: 100% (37/37), done.
[INFO] validating manifest of git repo https://github.com/rubytogether/kirby on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rubytogether/kirby
[INFO] finished tweaking git repo https://github.com/rubytogether/kirby
[INFO] tweaked toml for git repo https://github.com/rubytogether/kirby written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate git repo https://github.com/rubytogether/kirby already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/srijs/rust-aws-lambda`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded aws_lambda_events v0.1.5
[INFO] [stderr]   Downloaded backtrace-parser v0.1.0
[INFO] [stderr]   Downloaded gob v0.1.0
[INFO] [stderr]   Downloaded rusoto_s3 v0.42.0
[INFO] [stderr]   Downloaded serde_schema v0.0.1
[INFO] [stderr]   Downloaded serde_schema_derive v0.0.1
[INFO] [stderr]   Downloaded reexport-proc-macro v1.0.7
[INFO] [stderr]   Downloaded serde_bytes v0.10.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e87d68ecc7db993114aef4e0a63cf8a3b36f2b0d2e7f160a3639aab2120f4b1
[INFO] running `Command { std: "docker" "start" "-a" "1e87d68ecc7db993114aef4e0a63cf8a3b36f2b0d2e7f160a3639aab2120f4b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e87d68ecc7db993114aef4e0a63cf8a3b36f2b0d2e7f160a3639aab2120f4b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e87d68ecc7db993114aef4e0a63cf8a3b36f2b0d2e7f160a3639aab2120f4b1", kill_on_drop: false }`
[INFO] [stdout] 1e87d68ecc7db993114aef4e0a63cf8a3b36f2b0d2e7f160a3639aab2120f4b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2eb47a004bc88bfd0f39040ab7ec88d0ba76f13926cd027a7a0cf8a14a6b7950
[INFO] running `Command { std: "docker" "start" "-a" "2eb47a004bc88bfd0f39040ab7ec88d0ba76f13926cd027a7a0cf8a14a6b7950", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde_json v1.0.78
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling camino v1.0.7
[INFO] [stderr]    Compiling semver v1.0.5
[INFO] [stderr]    Compiling pulldown-cmark v0.9.1
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.7
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling subtle v1.0.0
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling pin-project-lite v0.2.8
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stderr]    Compiling reexport-proc-macro v1.0.7
[INFO] [stderr]    Compiling array-macro v1.0.5
[INFO] [stderr]    Compiling argparse v0.2.2
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling hyper v0.12.36
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling rusoto_core v0.42.0
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.2
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling tower-service v0.1.0
[INFO] [stderr]    Compiling serde_derive_internals v0.23.1
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling pest_derive v1.0.8
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling mio v0.6.23
[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-1.0.86/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=7a0e03ec0e884793 -C extra-filename=-7a0e03ec0e884793 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d43b9eeea9b4257f.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-8d5920e04f914a4c.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" "2eb47a004bc88bfd0f39040ab7ec88d0ba76f13926cd027a7a0cf8a14a6b7950", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eb47a004bc88bfd0f39040ab7ec88d0ba76f13926cd027a7a0cf8a14a6b7950", kill_on_drop: false }`
[INFO] [stdout] 2eb47a004bc88bfd0f39040ab7ec88d0ba76f13926cd027a7a0cf8a14a6b7950