[INFO] fetching crate firetrap 0.1.0...
[INFO] documenting firetrap-0.1.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate firetrap 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate firetrap 0.1.0 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 firetrap 0.1.0
[INFO] finished tweaking crates.io crate firetrap 0.1.0
[INFO] tweaked toml for crates.io crate firetrap 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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 pam-sys v0.5.6
[INFO] [stderr]   Downloaded pam-auth v0.5.5
[INFO] [stderr]   Downloaded users v0.5.3
[INFO] [stderr]   Downloaded ftp v3.0.1
[INFO] [stderr]   Downloaded path_abs v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 04200a3d1f0d9cd1e1181e13601f8419a54558a72b42934a2cf119f1931aec6d
[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" "04200a3d1f0d9cd1e1181e13601f8419a54558a72b42934a2cf119f1931aec6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04200a3d1f0d9cd1e1181e13601f8419a54558a72b42934a2cf119f1931aec6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04200a3d1f0d9cd1e1181e13601f8419a54558a72b42934a2cf119f1931aec6d", kill_on_drop: false }`
[INFO] [stdout] 04200a3d1f0d9cd1e1181e13601f8419a54558a72b42934a2cf119f1931aec6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 19d17d40c1d5aae6695963850fcc1d794c139b69e2974706ef923b55ead5d039
[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" "19d17d40c1d5aae6695963850fcc1d794c139b69e2974706ef923b55ead5d039", kill_on_drop: false }`
[INFO] [stderr]     Checking std_prelude v0.2.12
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking stfu8 v0.2.4
[INFO] [stderr]     Checking path_abs v0.4.1
[INFO] [stderr]  Documenting firetrap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.29s
[INFO] running `Command { std: "docker" "inspect" "19d17d40c1d5aae6695963850fcc1d794c139b69e2974706ef923b55ead5d039", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19d17d40c1d5aae6695963850fcc1d794c139b69e2974706ef923b55ead5d039", kill_on_drop: false }`
[INFO] [stdout] 19d17d40c1d5aae6695963850fcc1d794c139b69e2974706ef923b55ead5d039