[INFO] cloning repository https://github.com/bartlomieju/deno_doc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bartlomieju/deno_doc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbartlomieju%2Fdeno_doc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbartlomieju%2Fdeno_doc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 957e6a138532dc0ae62c9899ffa782356c4b8505
[INFO] documenting bartlomieju/deno_doc against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbartlomieju%2Fdeno_doc" "/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/bartlomieju/deno_doc 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 git repo https://github.com/bartlomieju/deno_doc
[INFO] finished tweaking git repo https://github.com/bartlomieju/deno_doc
[INFO] tweaked toml for git repo https://github.com/bartlomieju/deno_doc written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/bartlomieju/deno_doc 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-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" "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] b9e5ca889cbc329b3704755c1e9feb4635a76f8a02fcc5389217399133f81206
[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" "b9e5ca889cbc329b3704755c1e9feb4635a76f8a02fcc5389217399133f81206", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9e5ca889cbc329b3704755c1e9feb4635a76f8a02fcc5389217399133f81206", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9e5ca889cbc329b3704755c1e9feb4635a76f8a02fcc5389217399133f81206", kill_on_drop: false }`
[INFO] [stdout] b9e5ca889cbc329b3704755c1e9feb4635a76f8a02fcc5389217399133f81206
[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" "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] [stdout] a7d7b6ac52783a423c77b15de05f0bff634dfbf44cde8429bcd637f158614091
[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" "a7d7b6ac52783a423c77b15de05f0bff634dfbf44cde8429bcd637f158614091", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling pmutil v0.5.3
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling swc_macros_common v0.3.1
[INFO] [stderr]    Compiling swc_atoms v0.2.2
[INFO] [stderr]    Compiling is-macro v0.1.8
[INFO] [stderr]    Compiling swc_visit_macros v0.2.0
[INFO] [stderr]    Compiling from_variant v0.1.2
[INFO] [stderr]    Compiling enum_kind v0.2.0
[INFO] [stderr]    Compiling string_enum v0.3.0
[INFO] [stderr]    Compiling swc_ecma_parser_macros v0.4.1
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr] error: could not compile `swc_ecma_parser_macros`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name swc_ecma_parser_macros --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/swc_ecma_parser_macros-0.4.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -Cembed-bitcode=no -C debuginfo=2 -C metadata=f5432df373f74bd2 -C extra-filename=-f5432df373f74bd2 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern pmutil=/opt/rustwide/target/debug/deps/libpmutil-38d6bfa27fccf767.rlib --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d3dc0cb999b3c41d.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-75a4c566bf65e716.rlib --extern swc_macros_common=/opt/rustwide/target/debug/deps/libswc_macros_common-4ac26cded6659455.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-f244793087233c22.rlib --extern proc_macro --cap-lints allow` (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" "a7d7b6ac52783a423c77b15de05f0bff634dfbf44cde8429bcd637f158614091", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7d7b6ac52783a423c77b15de05f0bff634dfbf44cde8429bcd637f158614091", kill_on_drop: false }`
[INFO] [stdout] a7d7b6ac52783a423c77b15de05f0bff634dfbf44cde8429bcd637f158614091