[INFO] cloning repository https://github.com/scolsen/eco
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scolsen/eco" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscolsen%2Feco", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscolsen%2Feco'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f85e29427d2573bf34ffe72e3ae501dc18852ba
[INFO] documenting scolsen/eco 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%2Fscolsen%2Feco" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scolsen/eco 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/scolsen/eco
[INFO] finished tweaking git repo https://github.com/scolsen/eco
[INFO] tweaked toml for git repo https://github.com/scolsen/eco written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/scolsen/eco 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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 64946a02286fb035c2858d0e0abe38087095107dfe86453d58ded9d5587671e8
[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" "64946a02286fb035c2858d0e0abe38087095107dfe86453d58ded9d5587671e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64946a02286fb035c2858d0e0abe38087095107dfe86453d58ded9d5587671e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64946a02286fb035c2858d0e0abe38087095107dfe86453d58ded9d5587671e8", kill_on_drop: false }`
[INFO] [stdout] 64946a02286fb035c2858d0e0abe38087095107dfe86453d58ded9d5587671e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] a7e065664bd545933874db9588927f53d75dfa32f8240d44239fb0ea17d149d5
[INFO] running `Command { std: "docker" "start" "-a" "a7e065664bd545933874db9588927f53d75dfa32f8240d44239fb0ea17d149d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.18
[INFO] [stderr]    Compiling serde v1.0.77
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.15.1
[INFO] [stderr]    Compiling serde_derive v1.0.77
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]  Documenting eco v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `.`, `;`, `?`, `}`, or an operator, found `,`
[INFO] [stdout]   --> src/config/reader.rs:20:35
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Ok(toml::from_str(x).unwrap()),
[INFO] [stdout]    |                                   ^ expected one of `.`, `;`, `?`, `}`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `eco`.
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name eco src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern serde=/opt/rustwide/target/debug/deps/libserde-d7d16c5d0b78b9ff.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-36e6c8f3ba1ee399.so --extern toml=/opt/rustwide/target/debug/deps/libtoml-0b0debb01cebc972.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "a7e065664bd545933874db9588927f53d75dfa32f8240d44239fb0ea17d149d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7e065664bd545933874db9588927f53d75dfa32f8240d44239fb0ea17d149d5", kill_on_drop: false }`
[INFO] [stdout] a7e065664bd545933874db9588927f53d75dfa32f8240d44239fb0ea17d149d5