[INFO] fetching crate efm32 0.0.1...
[INFO] documenting efm32-0.0.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate efm32 0.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate efm32 0.0.1 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate efm32 0.0.1
[INFO] finished tweaking crates.io crate efm32 0.0.1
[INFO] tweaked toml for crates.io crate efm32 0.0.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9ec1da838cfa8bf0de68665c76008a912eef9d18a38770a1f8865344f26f28af
[INFO] running `Command { std: "docker" "start" "-a" "9ec1da838cfa8bf0de68665c76008a912eef9d18a38770a1f8865344f26f28af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ec1da838cfa8bf0de68665c76008a912eef9d18a38770a1f8865344f26f28af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ec1da838cfa8bf0de68665c76008a912eef9d18a38770a1f8865344f26f28af", kill_on_drop: false }`
[INFO] [stdout] 9ec1da838cfa8bf0de68665c76008a912eef9d18a38770a1f8865344f26f28af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e02a8f317ea8a7006bb54818a27971e723168324e13b06a22402c52f1f040788
[INFO] running `Command { std: "docker" "start" "-a" "e02a8f317ea8a7006bb54818a27971e723168324e13b06a22402c52f1f040788", kill_on_drop: false }`
[INFO] [stderr]    Compiling efm32 v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> build.rs:22:20
[INFO] [stdout]    |
[INFO] [stdout] 22 |                 'A'...'Z' | 'a'...'z' | '0'...'9' => x,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> build.rs:22:32
[INFO] [stdout]    |
[INFO] [stdout] 22 |                 'A'...'Z' | 'a'...'z' | '0'...'9' => x,
[INFO] [stdout]    |                                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> build.rs:22:44
[INFO] [stdout]    |
[INFO] [stdout] 22 |                 'A'...'Z' | 'a'...'z' | '0'...'9' => x,
[INFO] [stdout]    |                                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting efm32 v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.96s
[INFO] running `Command { std: "docker" "inspect" "e02a8f317ea8a7006bb54818a27971e723168324e13b06a22402c52f1f040788", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e02a8f317ea8a7006bb54818a27971e723168324e13b06a22402c52f1f040788", kill_on_drop: false }`
[INFO] [stdout] e02a8f317ea8a7006bb54818a27971e723168324e13b06a22402c52f1f040788