[INFO] fetching crate serde_header 0.2.0...
[INFO] documenting serde_header-0.2.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate serde_header 0.2.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate serde_header 0.2.0 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_header 0.2.0
[INFO] finished tweaking crates.io crate serde_header 0.2.0
[INFO] tweaked toml for crates.io crate serde_header 0.2.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d7585d6badf865dde95065a6d8a73fc096631226e8b5017a4f37a6779ce4d66
[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" "1d7585d6badf865dde95065a6d8a73fc096631226e8b5017a4f37a6779ce4d66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d7585d6badf865dde95065a6d8a73fc096631226e8b5017a4f37a6779ce4d66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d7585d6badf865dde95065a6d8a73fc096631226e8b5017a4f37a6779ce4d66", kill_on_drop: false }`
[INFO] [stdout] 1d7585d6badf865dde95065a6d8a73fc096631226e8b5017a4f37a6779ce4d66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "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] 562f0d7c02efc8c40af9a3ec2a7444a1d708a8c6ff1e43854f90569e738f40a5
[INFO] running `Command { std: "docker" "start" "-a" "562f0d7c02efc8c40af9a3ec2a7444a1d708a8c6ff1e43854f90569e738f40a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]  Documenting serde_header v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `super::HeaderMap`
[INFO] [stdout]  --> src/de.rs:7:28
[INFO] [stdout]   |
[INFO] [stdout] 7 | use super::{Error, Result, HeaderMap};
[INFO] [stdout]   |                            ^^^^^^^^^ no `HeaderMap` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `http`
[INFO] [stdout]   --> src/error.rs:28:11
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl From<http::header::InvalidHeaderValue> for Error {
[INFO] [stdout]    |           ^^^^ use of undeclared crate or module `http`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `http`
[INFO] [stdout]   --> src/error.rs:29:16
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn from(e: http::header::InvalidHeaderValue) -> Self {
[INFO] [stdout]    |                ^^^^ use of undeclared crate or module `http`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `http`
[INFO] [stdout]   --> src/error.rs:34:11
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl From<http::header::InvalidHeaderName> for Error {
[INFO] [stdout]    |           ^^^^ use of undeclared crate or module `http`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `http`
[INFO] [stdout]   --> src/error.rs:35:16
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn from(e: http::header::InvalidHeaderName) -> Self {
[INFO] [stdout]    |                ^^^^ use of undeclared crate or module `http`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `HeaderMap` in module `super`
[INFO] [stdout]   --> src/de.rs:11:19
[INFO] [stdout]    |
[INFO] [stdout] 11 |     inner: super::HeaderMap<'de>,
[INFO] [stdout]    |                   ^^^^^^^^^ not found in `super`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `serde_header`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name serde_header src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=42bc48610343b6ba -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-0657bc08aa8032ee.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-3913d27e4fd23b6c.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-cfaba642bdb61511.rmeta --cap-lints=warn --crate-version 0.2.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "562f0d7c02efc8c40af9a3ec2a7444a1d708a8c6ff1e43854f90569e738f40a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "562f0d7c02efc8c40af9a3ec2a7444a1d708a8c6ff1e43854f90569e738f40a5", kill_on_drop: false }`
[INFO] [stdout] 562f0d7c02efc8c40af9a3ec2a7444a1d708a8c6ff1e43854f90569e738f40a5