[INFO] fetching crate floof 0.1.0...
[INFO] documenting floof-0.1.0 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate floof 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate floof 0.1.0 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 floof 0.1.0
[INFO] finished tweaking crates.io crate floof 0.1.0
[INFO] tweaked toml for crates.io crate floof 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate floof 0.1.0 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 bunt-macros v0.2.0
[INFO] [stderr]   Downloaded flume v0.8.4
[INFO] [stderr]   Downloaded bunt v0.2.1
[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] [stdout] 68566f4b52c6584acde614439dd235d80d642f847c497decd68e2a4bacf01524
[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" "68566f4b52c6584acde614439dd235d80d642f847c497decd68e2a4bacf01524", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68566f4b52c6584acde614439dd235d80d642f847c497decd68e2a4bacf01524", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68566f4b52c6584acde614439dd235d80d642f847c497decd68e2a4bacf01524", kill_on_drop: false }`
[INFO] [stdout] 68566f4b52c6584acde614439dd235d80d642f847c497decd68e2a4bacf01524
[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] c1abf4afc230cd93badfb095b59f7cd6a68ef292651aafe15145ab85580a83ed
[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" "c1abf4afc230cd93badfb095b59f7cd6a68ef292651aafe15145ab85580a83ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]     Checking spinning_top v0.2.2
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking filetime v0.2.12
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]    Compiling bunt-macros v0.2.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]     Checking inotify v0.8.3
[INFO] [stderr]     Checking notify v5.0.0-pre.3
[INFO] [stderr]     Checking bunt v0.2.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling structopt-derive v0.4.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking structopt v0.3.17
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking serde v1.0.116
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking tokio-tungstenite v0.11.0
[INFO] [stderr]     Checking flume v0.8.4
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking hyper v0.13.8
[INFO] [stderr]  Documenting floof v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "c1abf4afc230cd93badfb095b59f7cd6a68ef292651aafe15145ab85580a83ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1abf4afc230cd93badfb095b59f7cd6a68ef292651aafe15145ab85580a83ed", kill_on_drop: false }`
[INFO] [stdout] c1abf4afc230cd93badfb095b59f7cd6a68ef292651aafe15145ab85580a83ed
