[INFO] fetching crate selene 0.8.0...
[INFO] documenting selene-0.8.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate selene 0.8.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate selene 0.8.0 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 selene 0.8.0
[INFO] finished tweaking crates.io crate selene 0.8.0
[INFO] tweaked toml for crates.io crate selene 0.8.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate selene 0.8.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded full_moon v0.6.2
[INFO] [stderr]   Downloaded full_moon_derive v0.5.0
[INFO] [stderr]   Downloaded selene-lib v0.8.0
[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-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] becb665ed0cc5509570bd9639070c80abfd1c067d362e5a4e480f32fdb4c0c7d
[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" "becb665ed0cc5509570bd9639070c80abfd1c067d362e5a4e480f32fdb4c0c7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "becb665ed0cc5509570bd9639070c80abfd1c067d362e5a4e480f32fdb4c0c7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "becb665ed0cc5509570bd9639070c80abfd1c067d362e5a4e480f32fdb4c0c7d", kill_on_drop: false }`
[INFO] [stdout] becb665ed0cc5509570bd9639070c80abfd1c067d362e5a4e480f32fdb4c0c7d
[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-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc3cf0b1bfc9113c23f4197c6adf895185b5a2dc37c15c9e84b89fa27ca00440
[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" "cc3cf0b1bfc9113c23f4197c6adf895185b5a2dc37c15c9e84b89fa27ca00440", kill_on_drop: false }`
[INFO] [stderr]     Checking bytecount v0.5.1
[INFO] [stderr]     Checking id-arena v2.2.1
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]    Compiling derive_more v0.99.9
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]    Compiling structopt-derive v0.4.9
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]    Compiling full_moon_derive v0.5.0
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking structopt v0.3.16
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking codespan v0.4.1
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking full_moon v0.6.2
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking codespan-reporting v0.4.1
[INFO] [stderr]     Checking rbx_dom_weak v1.10.1
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking rbx_reflection v3.3.418
[INFO] [stderr]     Checking selene-lib v0.8.0
[INFO] [stderr]  Documenting selene v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.72s
[INFO] running `Command { std: "docker" "inspect" "cc3cf0b1bfc9113c23f4197c6adf895185b5a2dc37c15c9e84b89fa27ca00440", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc3cf0b1bfc9113c23f4197c6adf895185b5a2dc37c15c9e84b89fa27ca00440", kill_on_drop: false }`
[INFO] [stdout] cc3cf0b1bfc9113c23f4197c6adf895185b5a2dc37c15c9e84b89fa27ca00440