[INFO] cloning repository https://github.com/MinusKelvin/ultra-tas
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MinusKelvin/ultra-tas" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMinusKelvin%2Fultra-tas", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMinusKelvin%2Fultra-tas'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 230a0a0c6c03b3b8d02e00918b0cf8329c67d945
[INFO] testing MinusKelvin/ultra-tas against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMinusKelvin%2Fultra-tas" "/workspace/builds/worker-65/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-65/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MinusKelvin/ultra-tas on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MinusKelvin/ultra-tas
[INFO] finished tweaking git repo https://github.com/MinusKelvin/ultra-tas
[INFO] tweaked toml for git repo https://github.com/MinusKelvin/ultra-tas written to /workspace/builds/worker-65/source/Cargo.toml
[INFO] crate git repo https://github.com/MinusKelvin/ultra-tas already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5147125a78338fd801ef63d6b3d6ce25f24d5a44135ead971daf8b0811192193
[INFO] running `Command { std: "docker" "start" "-a" "5147125a78338fd801ef63d6b3d6ce25f24d5a44135ead971daf8b0811192193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5147125a78338fd801ef63d6b3d6ce25f24d5a44135ead971daf8b0811192193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5147125a78338fd801ef63d6b3d6ce25f24d5a44135ead971daf8b0811192193", kill_on_drop: false }`
[INFO] [stdout] 5147125a78338fd801ef63d6b3d6ce25f24d5a44135ead971daf8b0811192193
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ecc18b65f55eaf9a73ec3077681c37dc4b6b2e70de22152508a28b9cc15cc94
[INFO] running `Command { std: "docker" "start" "-a" "7ecc18b65f55eaf9a73ec3077681c37dc4b6b2e70de22152508a28b9cc15cc94", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling zstd-safe v4.1.0+zstd.1.5.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling arrayvec v0.7.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling pcf v0.1.0 (https://github.com/MinusKelvin/pcf#7355850f)
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling zstd-sys v1.6.0+zstd.1.5.0
[INFO] [stderr]    Compiling darling_core v0.12.4
[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-1.0.73/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"' -C metadata=5a2a97303483c4c1 -C extra-filename=-5a2a97303483c4c1 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-dcdd4f0c2dea6100.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-3b6d16443fe0f4af.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-aeb18ec3bc792598.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" "7ecc18b65f55eaf9a73ec3077681c37dc4b6b2e70de22152508a28b9cc15cc94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ecc18b65f55eaf9a73ec3077681c37dc4b6b2e70de22152508a28b9cc15cc94", kill_on_drop: false }`
[INFO] [stdout] 7ecc18b65f55eaf9a73ec3077681c37dc4b6b2e70de22152508a28b9cc15cc94