[INFO] fetching crate rzbackup 3.4.0-alpha0...
[INFO] documenting rzbackup-3.4.0-alpha0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate rzbackup 3.4.0-alpha0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate rzbackup 3.4.0-alpha0 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 rzbackup 3.4.0-alpha0
[INFO] finished tweaking crates.io crate rzbackup 3.4.0-alpha0
[INFO] tweaked toml for crates.io crate rzbackup 3.4.0-alpha0 written to /workspace/builds/worker-1/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 97c3aebc2c7c2be3a8303eadee248d99da6e09c7e5a851bacb851094e625b89e
[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" "97c3aebc2c7c2be3a8303eadee248d99da6e09c7e5a851bacb851094e625b89e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97c3aebc2c7c2be3a8303eadee248d99da6e09c7e5a851bacb851094e625b89e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97c3aebc2c7c2be3a8303eadee248d99da6e09c7e5a851bacb851094e625b89e", kill_on_drop: false }`
[INFO] [stdout] 97c3aebc2c7c2be3a8303eadee248d99da6e09c7e5a851bacb851094e625b89e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 44a99333d1e94dd08eaa943d177f296a4b0d52963e79b359f4559d2228788138
[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" "44a99333d1e94dd08eaa943d177f296a4b0d52963e79b359f4559d2228788138", kill_on_drop: false }`
[INFO] [stderr]    Compiling protobuf v1.7.5
[INFO] [stderr]    Compiling rzbackup v3.4.0-alpha0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking minilzo-sys v0.1.0
[INFO] [stderr]     Checking errno v0.2.6
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> build.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |             io_error.description ())
[INFO] [stdout]    |                      ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking minilzo v0.1.2
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking output v0.6.2
[INFO] [stderr]  Documenting rzbackup v3.4.0-alpha0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.46s
[INFO] running `Command { std: "docker" "inspect" "44a99333d1e94dd08eaa943d177f296a4b0d52963e79b359f4559d2228788138", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44a99333d1e94dd08eaa943d177f296a4b0d52963e79b359f4559d2228788138", kill_on_drop: false }`
[INFO] [stdout] 44a99333d1e94dd08eaa943d177f296a4b0d52963e79b359f4559d2228788138