[INFO] fetching crate cargo-toml2 1.3.2...
[INFO] documenting cargo-toml2-1.3.2 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate cargo-toml2 1.3.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate cargo-toml2 1.3.2 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-toml2 1.3.2
[INFO] finished tweaking crates.io crate cargo-toml2 1.3.2
[INFO] tweaked toml for crates.io crate cargo-toml2 1.3.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate cargo-toml2 1.3.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 093c4079570bdc0236087ece4e47a66fc11e0f8008ff6c2bd7f0edc9abf233c6
[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" "093c4079570bdc0236087ece4e47a66fc11e0f8008ff6c2bd7f0edc9abf233c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "093c4079570bdc0236087ece4e47a66fc11e0f8008ff6c2bd7f0edc9abf233c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "093c4079570bdc0236087ece4e47a66fc11e0f8008ff6c2bd7f0edc9abf233c6", kill_on_drop: false }`
[INFO] [stdout] 093c4079570bdc0236087ece4e47a66fc11e0f8008ff6c2bd7f0edc9abf233c6
[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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b37a3c9bcfab47131f766b0856ac74d9e792aaba83f12bdd195ef8a1f687ba2
[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" "1b37a3c9bcfab47131f766b0856ac74d9e792aaba83f12bdd195ef8a1f687ba2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.1
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]     Checking toml v0.5.3
[INFO] [stderr]  Documenting cargo-toml2 v1.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.91s
[INFO] running `Command { std: "docker" "inspect" "1b37a3c9bcfab47131f766b0856ac74d9e792aaba83f12bdd195ef8a1f687ba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b37a3c9bcfab47131f766b0856ac74d9e792aaba83f12bdd195ef8a1f687ba2", kill_on_drop: false }`
[INFO] [stdout] 1b37a3c9bcfab47131f766b0856ac74d9e792aaba83f12bdd195ef8a1f687ba2