[INFO] fetching crate wc-lock 0.2.1...
[INFO] documenting wc-lock-0.2.1 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate wc-lock 0.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate wc-lock 0.2.1 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 wc-lock 0.2.1
[INFO] finished tweaking crates.io crate wc-lock 0.2.1
[INFO] tweaked toml for crates.io crate wc-lock 0.2.1 written to /workspace/builds/worker-0/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] [stderr]     Blocking waiting for file lock on package cache
[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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] a36e4e1e7e802d22a8649c113b9bcf1fdfaccf853d4bd4417bce3f36a34e1ccf
[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" "a36e4e1e7e802d22a8649c113b9bcf1fdfaccf853d4bd4417bce3f36a34e1ccf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a36e4e1e7e802d22a8649c113b9bcf1fdfaccf853d4bd4417bce3f36a34e1ccf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a36e4e1e7e802d22a8649c113b9bcf1fdfaccf853d4bd4417bce3f36a34e1ccf", kill_on_drop: false }`
[INFO] [stdout] a36e4e1e7e802d22a8649c113b9bcf1fdfaccf853d4bd4417bce3f36a34e1ccf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 46bd0a51813fbf705dda76da6e8f97e97c9ee009ffb61c094f455746d9681ac3
[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" "46bd0a51813fbf705dda76da6e8f97e97c9ee009ffb61c094f455746d9681ac3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libdbus-sys v0.1.5
[INFO] [stderr]    Compiling wc-lock v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking png v0.5.2
[INFO] [stderr]     Checking libloading v0.3.4
[INFO] [stdout] warning: use of deprecated item 'gcc::Config': gcc::Config has been renamed to gcc::Build
[INFO] [stdout]  --> build.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use gcc::Config;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'gcc::Config': gcc::Config has been renamed to gcc::Build
[INFO] [stdout]   --> build.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut config = Config::new();
[INFO] [stdout]    |                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'gcc::Build::new': crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stdout]   --> build.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut config = Config::new();
[INFO] [stdout]    |                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking dlib v0.3.1
[INFO] [stderr]     Checking wayland-sys v0.9.10
[INFO] [stderr]     Checking wayland-client v0.9.10
[INFO] [stderr]     Checking dbus v0.5.4
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking image v0.10.4
[INFO] [stderr]     Checking way-cooler-client-helpers v0.1.0
[INFO] [stderr]     Checking wayland-kbd v0.9.1
[INFO] [stderr]  Documenting wc-lock v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.86s
[INFO] running `Command { std: "docker" "inspect" "46bd0a51813fbf705dda76da6e8f97e97c9ee009ffb61c094f455746d9681ac3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46bd0a51813fbf705dda76da6e8f97e97c9ee009ffb61c094f455746d9681ac3", kill_on_drop: false }`
[INFO] [stdout] 46bd0a51813fbf705dda76da6e8f97e97c9ee009ffb61c094f455746d9681ac3