[INFO] fetching crate mail-headers 0.6.6...
[INFO] documenting mail-headers-0.6.6 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate mail-headers 0.6.6 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate mail-headers 0.6.6 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "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" "+394e1b40d264aa6928811919c1124fa248e7d802" "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-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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60f5c283e683533eb6947d9dd5347887a457d4852f834fcb0df2bd8cda3d78c7
[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" "60f5c283e683533eb6947d9dd5347887a457d4852f834fcb0df2bd8cda3d78c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60f5c283e683533eb6947d9dd5347887a457d4852f834fcb0df2bd8cda3d78c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60f5c283e683533eb6947d9dd5347887a457d4852f834fcb0df2bd8cda3d78c7", kill_on_drop: false }`
[INFO] [stdout] 60f5c283e683533eb6947d9dd5347887a457d4852f834fcb0df2bd8cda3d78c7
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6fe542f9d2af1dd841e53188d72c7631a6a26e4acf7ebb0cd7823354e2b11da
[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" "c6fe542f9d2af1dd841e53188d72c7631a6a26e4acf7ebb0cd7823354e2b11da", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking quoted-string v0.6.1
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking soft-ascii-string v1.1.0
[INFO] [stderr]     Checking vec1 v1.5.1
[INFO] [stderr]     Checking vec-drain-where v1.0.1
[INFO] [stderr]     Checking lut v0.1.0-unstable
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking backtrace v0.3.49
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking total-order-multi-map v0.4.6
[INFO] [stderr]     Checking media-type-impl-utils v0.3.0-unstable
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking media-type v0.4.0-unstable
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking failure v0.1.8
[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_attribute)]` 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 19.56s
[INFO] running `Command { std: "docker" "inspect" "c6fe542f9d2af1dd841e53188d72c7631a6a26e4acf7ebb0cd7823354e2b11da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6fe542f9d2af1dd841e53188d72c7631a6a26e4acf7ebb0cd7823354e2b11da", kill_on_drop: false }`
[INFO] [stdout] c6fe542f9d2af1dd841e53188d72c7631a6a26e4acf7ebb0cd7823354e2b11da