[INFO] fetching crate async-ssh2 0.1.1-beta...
[INFO] documenting async-ssh2-0.1.1-beta against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate async-ssh2 0.1.1-beta into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate async-ssh2 0.1.1-beta on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-ssh2 0.1.1-beta
[INFO] finished tweaking crates.io crate async-ssh2 0.1.1-beta
[INFO] tweaked toml for crates.io crate async-ssh2 0.1.1-beta written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3be141a6d776bf28ab4d8f68237964b2ef76d021277456d312dd0fb8aafacec
[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" "a3be141a6d776bf28ab4d8f68237964b2ef76d021277456d312dd0fb8aafacec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3be141a6d776bf28ab4d8f68237964b2ef76d021277456d312dd0fb8aafacec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3be141a6d776bf28ab4d8f68237964b2ef76d021277456d312dd0fb8aafacec", kill_on_drop: false }`
[INFO] [stdout] a3be141a6d776bf28ab4d8f68237964b2ef76d021277456d312dd0fb8aafacec
[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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41bafdab2ad1e543b86da92d225b65ade110ff0eddeab3916900547b72390d7f
[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" "41bafdab2ad1e543b86da92d225b65ade110ff0eddeab3916900547b72390d7f", kill_on_drop: false }`
[INFO] [stderr]     Checking event-listener v2.4.0
[INFO] [stderr]    Compiling libz-sys v1.1.1
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking futures-lite v0.1.11
[INFO] [stderr]     Checking async-channel v1.4.1
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]    Compiling libssh2-sys v0.2.19
[INFO] [stderr]     Checking blocking v0.4.7
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking piper v0.1.3
[INFO] [stderr]     Checking smol v0.1.18
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking ssh2 v0.8.2
[INFO] [stderr]  Documenting async-ssh2 v0.1.1-beta (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.17s
[INFO] running `Command { std: "docker" "inspect" "41bafdab2ad1e543b86da92d225b65ade110ff0eddeab3916900547b72390d7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41bafdab2ad1e543b86da92d225b65ade110ff0eddeab3916900547b72390d7f", kill_on_drop: false }`
[INFO] [stdout] 41bafdab2ad1e543b86da92d225b65ade110ff0eddeab3916900547b72390d7f