[INFO] fetching crate event-listener 2.5.1...
[INFO] documenting event-listener-2.5.1 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate event-listener 2.5.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate event-listener 2.5.1 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate event-listener 2.5.1
[INFO] finished tweaking crates.io crate event-listener 2.5.1
[INFO] tweaked toml for crates.io crate event-listener 2.5.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate event-listener 2.5.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded waker-fn v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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-2020-10-09" "metadata" "--no-deps" "--format-version=1", 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] 861ba68d49a418f7a61fe0a7878a5d7f743af3e194bc0fdca00dbe1fcc820539
[INFO] running `Command { std: "docker" "start" "-a" "861ba68d49a418f7a61fe0a7878a5d7f743af3e194bc0fdca00dbe1fcc820539", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "861ba68d49a418f7a61fe0a7878a5d7f743af3e194bc0fdca00dbe1fcc820539", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "861ba68d49a418f7a61fe0a7878a5d7f743af3e194bc0fdca00dbe1fcc820539", kill_on_drop: false }`
[INFO] [stdout] 861ba68d49a418f7a61fe0a7878a5d7f743af3e194bc0fdca00dbe1fcc820539
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5dbd73044b4c0362f04c054ea3972f3c6b4b106ac88fbae5bdffd414be4d499
[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" "e5dbd73044b4c0362f04c054ea3972f3c6b4b106ac88fbae5bdffd414be4d499", kill_on_drop: false }`
[INFO] [stderr]  Documenting event-listener v2.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `Command { std: "docker" "inspect" "e5dbd73044b4c0362f04c054ea3972f3c6b4b106ac88fbae5bdffd414be4d499", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5dbd73044b4c0362f04c054ea3972f3c6b4b106ac88fbae5bdffd414be4d499", kill_on_drop: false }`
[INFO] [stdout] e5dbd73044b4c0362f04c054ea3972f3c6b4b106ac88fbae5bdffd414be4d499
