[INFO] fetching crate svinst 0.1.3...
[INFO] documenting svinst-0.1.3 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate svinst 0.1.3 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate svinst 0.1.3 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate svinst 0.1.3
[INFO] finished tweaking crates.io crate svinst 0.1.3
[INFO] tweaked toml for crates.io crate svinst 0.1.3 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate svinst 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 757eaa09d77982c93eb4fae3db21a6998b434c2a24996494aa19fb6f4ec93957
[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" "757eaa09d77982c93eb4fae3db21a6998b434c2a24996494aa19fb6f4ec93957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "757eaa09d77982c93eb4fae3db21a6998b434c2a24996494aa19fb6f4ec93957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "757eaa09d77982c93eb4fae3db21a6998b434c2a24996494aa19fb6f4ec93957", kill_on_drop: false }`
[INFO] [stdout] 757eaa09d77982c93eb4fae3db21a6998b434c2a24996494aa19fb6f4ec93957
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "RUSTDOCFLAGS=--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--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] ef9186fec4fb3ba63f6d00abd4fb341863e3d9417e72205f92eef7c01bc8cfa5
[INFO] running `Command { std: "docker" "start" "-a" "ef9186fec4fb3ba63f6d00abd4fb341863e3d9417e72205f92eef7c01bc8cfa5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking str-concat v0.2.0
[INFO] [stderr]     Checking enquote v1.0.3
[INFO] [stderr]    Compiling sv-parser-syntaxtree v0.6.5
[INFO] [stderr]     Checking nom_locate v2.0.0
[INFO] [stderr]     Checking nom_locate v1.0.0
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking nom-greedyerror v0.2.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling sv-parser-macros v0.6.5
[INFO] [stderr]    Compiling nom-recursive-macros v0.2.0
[INFO] [stderr]    Compiling nom-tracable-macros v0.5.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling nom-packrat-macros v0.4.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]     Checking nom-tracable v0.5.2
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]     Checking nom-recursive v0.2.0
[INFO] [stderr]     Checking nom-packrat v0.4.0
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking sv-parser-error v0.6.5
[INFO] [stderr]     Checking structopt v0.3.15
[INFO] [stderr] error: could not compile `sv-parser-syntaxtree`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name sv_parser_syntaxtree --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sv-parser-syntaxtree-0.6.5/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -Cembed-bitcode=no -C debuginfo=2 -C metadata=6799c7c7e8e77172 -C extra-filename=-6799c7c7e8e77172 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern sv_parser_macros=/opt/rustwide/target/debug/deps/libsv_parser_macros-4ce1b5e8251f0a60.so --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "ef9186fec4fb3ba63f6d00abd4fb341863e3d9417e72205f92eef7c01bc8cfa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef9186fec4fb3ba63f6d00abd4fb341863e3d9417e72205f92eef7c01bc8cfa5", kill_on_drop: false }`
[INFO] [stdout] ef9186fec4fb3ba63f6d00abd4fb341863e3d9417e72205f92eef7c01bc8cfa5