[INFO] fetching crate dmc 0.1.0...
[INFO] documenting dmc-0.1.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate dmc 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate dmc 0.1.0 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 dmc 0.1.0
[INFO] finished tweaking crates.io crate dmc 0.1.0
[INFO] tweaked toml for crates.io crate dmc 0.1.0 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] [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] 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] 1ce5350d4c1d43e0f9f69126de37f30bd460643094bb50d3ec55b1c4d4ea7bdf
[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" "1ce5350d4c1d43e0f9f69126de37f30bd460643094bb50d3ec55b1c4d4ea7bdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ce5350d4c1d43e0f9f69126de37f30bd460643094bb50d3ec55b1c4d4ea7bdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ce5350d4c1d43e0f9f69126de37f30bd460643094bb50d3ec55b1c4d4ea7bdf", kill_on_drop: false }`
[INFO] [stdout] 1ce5350d4c1d43e0f9f69126de37f30bd460643094bb50d3ec55b1c4d4ea7bdf
[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] c2e4f49415802d223e3f3abea2d6d77b5e8a4e5a4bad47de6c3e9742dc0e0903
[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" "c2e4f49415802d223e3f3abea2d6d77b5e8a4e5a4bad47de6c3e9742dc0e0903", kill_on_drop: false }`
[INFO] [stderr]    Compiling dmc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]  Documenting dmc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused attribute
[INFO] [stdout]   --> src/display/x11.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     #[no_implicit_prelude]
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `None` should have an upper case name
[INFO] [stdout]   --> src/display/x11.rs:68:15
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub const None: i32 = 0;
[INFO] [stdout]    |               ^^^^ help: convert the identifier to upper case: `NONE`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.22s
[INFO] running `Command { std: "docker" "inspect" "c2e4f49415802d223e3f3abea2d6d77b5e8a4e5a4bad47de6c3e9742dc0e0903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2e4f49415802d223e3f3abea2d6d77b5e8a4e5a4bad47de6c3e9742dc0e0903", kill_on_drop: false }`
[INFO] [stdout] c2e4f49415802d223e3f3abea2d6d77b5e8a4e5a4bad47de6c3e9742dc0e0903