[INFO] fetching crate mammoth-setup 0.0.1...
[INFO] documenting mammoth-setup-0.0.1 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate mammoth-setup 0.0.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate mammoth-setup 0.0.1 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mammoth-setup 0.0.1
[INFO] finished tweaking crates.io crate mammoth-setup 0.0.1
[INFO] tweaked toml for crates.io crate mammoth-setup 0.0.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded regex v1.1.9
[INFO] [stderr]   Downloaded mammoth-macro v0.0.1
[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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1669edd8ca95e1c71c3e9c3c33ff9502a3f98fc200c682a3a889cf2d4da9bf7
[INFO] running `Command { std: "docker" "start" "-a" "e1669edd8ca95e1c71c3e9c3c33ff9502a3f98fc200c682a3a889cf2d4da9bf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1669edd8ca95e1c71c3e9c3c33ff9502a3f98fc200c682a3a889cf2d4da9bf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1669edd8ca95e1c71c3e9c3c33ff9502a3f98fc200c682a3a889cf2d4da9bf7", kill_on_drop: false }`
[INFO] [stdout] e1669edd8ca95e1c71c3e9c3c33ff9502a3f98fc200c682a3a889cf2d4da9bf7
[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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0d4515d16a2f62b8fa11ae2e8e2ce5ae4a99690e3082ea5afd1958668e85834
[INFO] running `Command { std: "docker" "start" "-a" "f0d4515d16a2f62b8fa11ae2e8e2ce5ae4a99690e3082ea5afd1958668e85834", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cc v1.0.73
[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 libc v0.2.126
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling openssl v0.10.40
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling regex v1.1.9
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking utf8-ranges v1.0.5
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling openssl-sys v0.9.73
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]  Documenting mammoth-setup v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0603]: module `export` is private
[INFO] [stdout]    --> src/validation.rs:7:12
[INFO] [stdout]     |
[INFO] [stdout] 7   | use serde::export::PhantomData;
[INFO] [stdout]     |            ^^^^^^ private module
[INFO] [stdout]     |
[INFO] [stdout] note: the module `export` is defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.137/src/lib.rs:274:5
[INFO] [stdout]     |
[INFO] [stdout] 274 | use self::__private as export;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0603`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `mammoth-setup`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name mammoth_setup src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=b4934de1dfeb1f3d -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-5fc94ef193f02a52.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-f9da323ccf5faa4c.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-e4fd60dc49ccd72a.rmeta --extern libloading=/opt/rustwide/target/debug/deps/liblibloading-0d1f6276f17f9720.rmeta --extern openssl=/opt/rustwide/target/debug/deps/libopenssl-9fe2ab1b6ec24444.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-0790cf3e8983841c.rmeta --extern semver=/opt/rustwide/target/debug/deps/libsemver-395b216b745b58ef.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-495ec9fdc6b7531e.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-be4dc406b9450eb4.so --extern toml=/opt/rustwide/target/debug/deps/libtoml-018c3e2955d2d58f.rmeta --cap-lints=warn --crate-version 0.0.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "f0d4515d16a2f62b8fa11ae2e8e2ce5ae4a99690e3082ea5afd1958668e85834", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0d4515d16a2f62b8fa11ae2e8e2ce5ae4a99690e3082ea5afd1958668e85834", kill_on_drop: false }`
[INFO] [stdout] f0d4515d16a2f62b8fa11ae2e8e2ce5ae4a99690e3082ea5afd1958668e85834