[INFO] cloning repository https://github.com/noviga/sitegen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/noviga/sitegen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoviga%2Fsitegen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoviga%2Fsitegen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 03506a11f4b054be014833388729f4ff6d4e7859
[INFO] testing noviga/sitegen against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoviga%2Fsitegen" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/noviga/sitegen on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/noviga/sitegen
[INFO] finished tweaking git repo https://github.com/noviga/sitegen
[INFO] tweaked toml for git repo https://github.com/noviga/sitegen written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/noviga/sitegen already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5b0a593b08858d0b5a2bcfac7bd5229601937e931dfbb315180d051ad3c2a0c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a5b0a593b08858d0b5a2bcfac7bd5229601937e931dfbb315180d051ad3c2a0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5b0a593b08858d0b5a2bcfac7bd5229601937e931dfbb315180d051ad3c2a0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5b0a593b08858d0b5a2bcfac7bd5229601937e931dfbb315180d051ad3c2a0c", kill_on_drop: false }`
[INFO] [stdout] a5b0a593b08858d0b5a2bcfac7bd5229601937e931dfbb315180d051ad3c2a0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7e12d9160dcce728674474f5323f4e0753ed0284b7888fcb1657d0470b035780
[INFO] running `Command { std: "docker" "start" "-a" "7e12d9160dcce728674474f5323f4e0753ed0284b7888fcb1657d0470b035780", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling fs_extra v1.1.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling sass-sys v0.4.19
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]    Compiling pest_meta v2.1.3
[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-1.0.19/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -Cembed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' -C metadata=70bef5bede86463b -C extra-filename=-70bef5bede86463b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-0604a425cc66026a.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-9a0acd1030737a39.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-0fad61cf7bb3c59c.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" "7e12d9160dcce728674474f5323f4e0753ed0284b7888fcb1657d0470b035780", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e12d9160dcce728674474f5323f4e0753ed0284b7888fcb1657d0470b035780", kill_on_drop: false }`
[INFO] [stdout] 7e12d9160dcce728674474f5323f4e0753ed0284b7888fcb1657d0470b035780