[INFO] fetching crate fibers_http_server 0.2.0...
[INFO] documenting fibers_http_server-0.2.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate fibers_http_server 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate fibers_http_server 0.2.0 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 fibers_http_server 0.2.0
[INFO] finished tweaking crates.io crate fibers_http_server 0.2.0
[INFO] tweaked toml for crates.io crate fibers_http_server 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate fibers_http_server 0.2.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded httpcodec v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] d36042ac74b87cba734b03b21218f736a542ead66e9ac65abdebe87f41ebfa6d
[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" "d36042ac74b87cba734b03b21218f736a542ead66e9ac65abdebe87f41ebfa6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d36042ac74b87cba734b03b21218f736a542ead66e9ac65abdebe87f41ebfa6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d36042ac74b87cba734b03b21218f736a542ead66e9ac65abdebe87f41ebfa6d", kill_on_drop: false }`
[INFO] [stdout] d36042ac74b87cba734b03b21218f736a542ead66e9ac65abdebe87f41ebfa6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 1fa3bd3abb85fc84631a4ef1b2851669ccf9b994eebaa0659915a11854040f6f
[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" "1fa3bd3abb85fc84631a4ef1b2851669ccf9b994eebaa0659915a11854040f6f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking nom v2.2.1
[INFO] [stderr]     Checking splay_tree v0.2.10
[INFO] [stderr]     Checking nbchan v0.1.3
[INFO] [stderr]     Checking atomic_immut v0.1.4
[INFO] [stderr]     Checking factory v0.1.2
[INFO] [stderr]    Compiling procinfo v0.4.2
[INFO] [stderr]     Checking fibers v0.1.13
[INFO] [stderr]    Compiling trackable_derive v0.1.3
[INFO] [stderr]     Checking trackable v0.2.23
[INFO] [stderr]     Checking bytecodec v0.4.13
[INFO] [stderr]     Checking prometrics v0.1.13
[INFO] [stderr]     Checking httpcodec v0.2.3
[INFO] [stderr]  Documenting fibers_http_server v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.36s
[INFO] running `Command { std: "docker" "inspect" "1fa3bd3abb85fc84631a4ef1b2851669ccf9b994eebaa0659915a11854040f6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fa3bd3abb85fc84631a4ef1b2851669ccf9b994eebaa0659915a11854040f6f", kill_on_drop: false }`
[INFO] [stdout] 1fa3bd3abb85fc84631a4ef1b2851669ccf9b994eebaa0659915a11854040f6f