[INFO] fetching crate mail-headers 0.6.6...
[INFO] documenting mail-headers-0.6.6 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate mail-headers 0.6.6 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mail-headers 0.6.6 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 mail-headers 0.6.6
[INFO] finished tweaking crates.io crate mail-headers 0.6.6
[INFO] tweaked toml for crates.io crate mail-headers 0.6.6 written to /workspace/builds/worker-4/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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 6e0a7a463888bc5ce0de585bcf2fa3e2f99d750bcbcc2105e1f9eaf360f8b22a
[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" "6e0a7a463888bc5ce0de585bcf2fa3e2f99d750bcbcc2105e1f9eaf360f8b22a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e0a7a463888bc5ce0de585bcf2fa3e2f99d750bcbcc2105e1f9eaf360f8b22a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e0a7a463888bc5ce0de585bcf2fa3e2f99d750bcbcc2105e1f9eaf360f8b22a", kill_on_drop: false }`
[INFO] [stdout] 6e0a7a463888bc5ce0de585bcf2fa3e2f99d750bcbcc2105e1f9eaf360f8b22a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] e4757173e9ef86841b19955b58231ee124762b134403f19ef92690a717036982
[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" "e4757173e9ef86841b19955b58231ee124762b134403f19ef92690a717036982", kill_on_drop: false }`
[INFO] [stderr]     Checking vec1 v1.6.0
[INFO] [stderr]     Checking total-order-multi-map v0.4.6
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking mail-internals v0.2.3
[INFO] [stderr]  Documenting mail-headers v0.6.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown attribute `norun`. Did you mean `no_run`?
[INFO] [stdout]   --> src/header_macro.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout] 4  | / /// Defines a new header types with given type name, filed name and component
[INFO] [stdout] 5  | | ///
[INFO] [stdout] 6  | | /// Note that the name is not checked/validated, it has to be ascii, a valid
[INFO] [stdout] 7  | | /// header field name AND has to comply with the naming schema (each word
[INFO] [stdout] ...  |
[INFO] [stdout] 69 | | /// }
[INFO] [stdout] 70 | | /// ```
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(invalid_codeblock_attributes)]` on by default
[INFO] [stdout]    = help: the code block will either not be tested if not marked as a rust one or will be run (which you might not want)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.95s
[INFO] running `Command { std: "docker" "inspect" "e4757173e9ef86841b19955b58231ee124762b134403f19ef92690a717036982", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4757173e9ef86841b19955b58231ee124762b134403f19ef92690a717036982", kill_on_drop: false }`
[INFO] [stdout] e4757173e9ef86841b19955b58231ee124762b134403f19ef92690a717036982