[INFO] fetching crate logtail 0.2.5...
[INFO] documenting logtail-0.2.5 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate logtail 0.2.5 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate logtail 0.2.5 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 logtail 0.2.5
[INFO] finished tweaking crates.io crate logtail 0.2.5
[INFO] tweaked toml for crates.io crate logtail 0.2.5 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate logtail 0.2.5 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]  Downloading crates ...
[INFO] [stderr]   Downloaded linemux v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 19ae8d4df33e9634a93649578dd82473c336e357b95f3b7e88d7294d5b88facd
[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" "19ae8d4df33e9634a93649578dd82473c336e357b95f3b7e88d7294d5b88facd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19ae8d4df33e9634a93649578dd82473c336e357b95f3b7e88d7294d5b88facd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19ae8d4df33e9634a93649578dd82473c336e357b95f3b7e88d7294d5b88facd", kill_on_drop: false }`
[INFO] [stdout] 19ae8d4df33e9634a93649578dd82473c336e357b95f3b7e88d7294d5b88facd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 2f1cbd9197a4cb3754628fcd3a7bccb2a16d594212b7e456cabdc21201f7b3b5
[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" "2f1cbd9197a4cb3754628fcd3a7bccb2a16d594212b7e456cabdc21201f7b3b5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking anymap v0.12.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking mio v0.7.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking clap v2.33.2
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking inotify v0.8.3
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling structopt-derive v0.4.9
[INFO] [stderr]     Checking crossterm v0.17.7
[INFO] [stderr]     Checking crossbeam-channel v0.4.3
[INFO] [stderr]     Checking notify v5.0.0-pre.3
[INFO] [stderr]     Checking tui v0.10.0
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking linemux v0.1.1
[INFO] [stderr]     Checking structopt v0.3.16
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]  Documenting logtail v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.49s
[INFO] running `Command { std: "docker" "inspect" "2f1cbd9197a4cb3754628fcd3a7bccb2a16d594212b7e456cabdc21201f7b3b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f1cbd9197a4cb3754628fcd3a7bccb2a16d594212b7e456cabdc21201f7b3b5", kill_on_drop: false }`
[INFO] [stdout] 2f1cbd9197a4cb3754628fcd3a7bccb2a16d594212b7e456cabdc21201f7b3b5